93389298 Lte Phy Alcatel

8/13/2019 93389298 Lte Phy Alcatel

http://slidepdf.com/reader/full/93389298-lte-phy-alcatel 1/161

From LTE basics to 9155 LTE RF Design

September 2009

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%2 & 'resentation Title & (onth 200#

LTE )asics

*FD( F"ndamentals

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%+ & 'resentation Title & (onth 200#

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%, & 'resentation Title & (onth 200#

)asic o- *FD(

8/13/2019 93389298 Lte Phy Alcatel



)asic o- *FD(.ave-orm

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%/ & 'resentation Title & (onth 200#

)asic o- *FD(Sending mod"lation s mbol in parallel

8/13/2019 93389298 Lte Phy Alcatel

http://slidepdf.com/reader/full/93389298-lte-phy-alcatel 7/161All Rights Reserved Alcatel!L"cent 200#$ %%%%% & 'resentation Title & (onth 200#

)asic o- *FD(S mbol e tract

8/13/2019 93389298 Lte Phy Alcatel

http://slidepdf.com/reader/full/93389298-lte-phy-alcatel 8/161All Rights Reserved Alcatel!L"cent 200#$ %%%%%# & 'resentation Title & (onth 200#

)asic o- *FD(

8/13/2019 93389298 Lte Phy Alcatel

http://slidepdf.com/reader/full/93389298-lte-phy-alcatel 9/161All Rights Reserved Alcatel!L"cent 200#$ %%%%%9 & 'resentation Title & (onth 200#

)asic o- *FD(*rthogonalit lost

8/13/2019 93389298 Lte Phy Alcatel



)asic o- *FD(Doppler 3 -re4"enc o--set e--ects

8/13/2019 93389298 Lte Phy Alcatel



)asic o- *FD(("lti!path e--ect

8/13/2019 93389298 Lte Phy Alcatel



)asic o- *FD(("lti!path e--ect

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1+ & 'resentation Title & (onth 200#

)asic o- *FD(' length

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1, & 'resentation Title & (onth 200#

)asic o- *FD(*FD( scalable

8/13/2019 93389298 Lte Phy Alcatel



)asic o- *FD(F"ll T 6R chain

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1/ & 'resentation Title & (onth 200#

LTE )asics

D*.7L87 STR: T:RE

8/13/2019 93389298 Lte Phy Alcatel



DL 'h sical hannels

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1# & 'resentation Title & (onth 200#

DL hannels (apping

8/13/2019 93389298 Lte Phy Alcatel



LTE Do;nlin<= Frame Format$ hannel Str"ct"re 3Terminolog

8/13/2019 93389298 Lte Phy Alcatel



LTE Do;nlin<= 7"mber o- Reso"rce )loc<s 3 7"merolog

8/13/2019 93389298 Lte Phy Alcatel



Do;nlin< common Re-erence Signal str"ct"re

Re-erence signal s mbol distrib"tion se4"ence over 12 s"bcarriers 1, *FD(s mbols>

The Re-erence signal se4"ence is correlated to ell 8D>

8/13/2019 93389298 Lte Phy Alcatel



Do;nlin< common Re-erence Signal str"ct"re per n"mbero- antenna port

8/13/2019 93389298 Lte Phy Alcatel



') ?$ S ? Time and -re4"enc location

8/13/2019 93389298 Lte Phy Alcatel



)asic o- cell search

8/13/2019 93389298 Lte Phy Alcatel



'rimar ) ? 3 D namic ) ?

8/13/2019 93389298 Lte Phy Alcatel



'rimar ) ? 3 D namic ) ?

8/13/2019 93389298 Lte Phy Alcatel



' F8 ? 3 '?8 ?

8/13/2019 93389298 Lte Phy Alcatel



'D ?

8/13/2019 93389298 Lte Phy Alcatel



'D ?= D 8 -ormats carried

D 8 incl"des reso"rce assignments and other control in-ormation

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%+0 & 'resentation Title & (onth 200#

Do;nlin< Shared hannel @DL!S ?

8/13/2019 93389298 Lte Phy Alcatel



DL 'o;er settings

'D ? ') ?

)ased o the sim"s done b R3D and also on -irst trials res"lts the DL po;ersettings is detailed in the slides belo;

8/13/2019 93389298 Lte Phy Alcatel



DL 'o;er settings

LA 0>

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%++ & 'resentation Title & (onth 200#

DL 'o;er settingsLA 1>0 RR? +0.

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%+, & 'resentation Title & (onth 200#

DL 'o;er settingsLA 1>0 RR? ,0.

8/13/2019 93389298 Lte Phy Alcatel


8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%+/ & 'resentation Title & (onth 200#

:L 'h sical hannels

8/13/2019 93389298 Lte Phy Alcatel



:L hannels (apping

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%+# & 'resentation Title & (onth 200#

S !FD(A principle

8/13/2019 93389298 Lte Phy Alcatel



S !FD(A principle

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%,0 & 'resentation Title & (onth 200#

S !FD(A T 6R chain

8/13/2019 93389298 Lte Phy Alcatel



LTE :plin<= 7"mber o- Reso"rce )loc<s 3 7"merolog

8/13/2019 93389298 Lte Phy Alcatel



Demod"lation Re-erence Signal 3 So"nding Re-erence Signal

8/13/2019 93389298 Lte Phy Alcatel


8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%,, & 'resentation Title & (onth 200#

': ?

8/13/2019 93389298 Lte Phy Alcatel



': ?

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%,/ & 'resentation Title & (onth 200#

': ?

8/13/2019 93389298 Lte Phy Alcatel



'RA ?

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%,# & 'resentation Title & (onth 200#

Radom Access proced"res

8/13/2019 93389298 Lte Phy Alcatel



LTE )asics

:L 'o;er ontrol

8/13/2019 93389298 Lte Phy Alcatel



8oT ontrol (echanism @8nter!cell 'o;er ontrol

Setting o- TargetBS87RBd) determines the 8oT operating point

Especiall in a re"se!1 deplo ment$ it is critical to manage the "plin<inter-erence level

8n LTE$ e!7)s can send "plin< overload indications to neighbor e!7)s via the%2 inter-ace

'o;er control parameters @i>e> Target S87R can be adapted based onoverload indicators

Allo;s control o- the 8oT level to ens"re coverage and s stem stabilit

' params ' params(eas"re

8nter-erence$ emitoverload indicator

)ased on overloadindicator -romneighbor cell$

adapt ' paramsinter-erence

*verload indicator@%!2 inter-ace

8/13/2019 93389298 Lte Phy Alcatel



Fractional 'o;er ontrol

.hile "sing the same target S87R -or each "ser res"lts in vergood -airness @as -ar as po;er allocation is concerned $ it alsores"lts in poor spectral e--icienc

An improved po;er control scheme called Fractional 'o;erontrol adC"sts the target S87R in relation to the :E s path loss to

its serving sector

UE_TxPSD_dBm = α x PL_dB + Nominal_Target_SINR_dB +UL_Interference_dBm

α is called the -ractional compensation -actor$ and is sent via cell broadcast 0 α 1

TargetS87R

TargetBS87RBd) G 7ominalBTargetBS87RBd)! @1!α 'LBd)

Target SINR increases with decreasing path loss

Flexible trade-off between cell edge rate and averagespectral efficiency

8/13/2019 93389298 Lte Phy Alcatel



8mproved 'o;er ontrol )ased on 7eighbor ell 'ath Loss

'ath loss to the serving cell is not indicative o- the amo"nt o-inter-erence a "ser ;ill generate to neighboring sectors

An improved po;er control scheme adC"sts the target S87R inrelation to ∆'LBd) G 'LBstrongest7eighbor ellBd) H'LBserving ellBd)

UE_TxPSD_dBm = PL_dB + Nominal_Target_SINR_dB + (1 β ! x PL_dB +

UL_Interference_dBm(1 β ! x PL_dB is sent to each :E via higher la er @RR signaling

Target S87RTargetBS87RBd) G 7ominalBTargetBS87RBd)

I @1!β ∆'LBd)

Target SINR increases with increasing “radio position”

8/13/2019 93389298 Lte Phy Alcatel



LTE )asics

Sched"ler

8/13/2019 93389298 Lte Phy Alcatel



Sched"ler

8/13/2019 93389298 Lte Phy Alcatel



:L Sched"ling mechanism

8/13/2019 93389298 Lte Phy Alcatel



DL Sched"ling mechanism

hannel J"alit 8ndicator$ 're!coding (atri 8ndicator$ Ran<

8/13/2019 93389298 Lte Phy Alcatel



hannel J alit 8ndicator$ re!coding (atri 8ndicator$ Ran8ndicator

S h d"l ight d ti l i

8/13/2019 93389298 Lte Phy Alcatel



Sched"ler ;eighted proportional -air

Sched"ler proportional air principles

8/13/2019 93389298 Lte Phy Alcatel



Sched"ler proportional -air principles


8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%/0 & 'resentation Title & (onth 200#

Sched"ler proportional -air principles


8/13/2019 93389298 Lte Phy Alcatel



Sched ler proportional -air principles


8/13/2019 93389298 Lte Phy Alcatel



Sched ler proportional -air principles

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%/+ & 'resentation Title & (onth 200#

Fre4"enc 7on!Selective Scheme

The SRS SK7 S87R is a scalar 4"antit per "ser that is -ormed b averaging the SRS S87R across 'R)sand then -iltered in time "sed to -orm a single priorit metric$ ;hich is replicated and "sed -or all'R)s

To s"pport a large n"mber o- :Es$ the SRS period needs to be red"ced given the m"ltiple ing capabilities @ma

o- # :Es per SRS transmission per -re4"enc comb

The reg"lar ('E algorithm as in the FSS algorithm is then "tili ed$ ;hich minimi estesting6veri-ication to C"st the ne; code introd"ced

"rrentl also investigating an intermediate sol"tion ;here the resol"tion o- the -re4"enc selectivesched"ler is red"ced b a certain -actor in order to retain some -re4"enc selectivenessin thesched"ling ;hile red"cing comple it @st"d in progress

Single priorit metric -ormed and "sed in

the -irst stage o- the ('E algorithm

Then ('E algorithm contin"es as in FSSscheme

11

11

1 1

11

1

UE 1

UE 1

UE 1 1

1

1

1

1

1

1

PriorityMetric

Resource Unit Index

UE 1

UE 1

UE 1

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%/, & 'resentation Title & (onth 200#

Fre4"enc Re!"se strategies

Fre4"enc re!"se1 Fractional Fre4"enc re!"se

8/13/2019 93389298 Lte Phy Alcatel



Fre4"enc Re!"se strategies

So-t Fre4"enc re!"se or

d namic -re4"enc re!"se

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%// & 'resentation Title & (onth 200#

LTE )asics

Lin< adaptation

DL ( S table

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%/ & 'resentation Title & (onth 200#

DL ( S table

:L ( S table

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%/# & 'resentation Title & (onth 200#

:L ( S table

8/13/2019 93389298 Lte Phy Alcatel



LTE )asics

("lti Antenna Technolog Roadmap

(8(* on-ig"ration

8/13/2019 93389298 Lte Phy Alcatel



(8( on ig ration

Antennas on-ig"ration

8/13/2019 93389298 Lte Phy Alcatel



Antennas on ig ration

Antennas on-ig"ration

8/13/2019 93389298 Lte Phy Alcatel



Spatial ("ltiple ing

8/13/2019 93389298 Lte Phy Alcatel



Spatial ( ltiple ing

LA1>0 Scheme s"pported

8/13/2019 93389298 Lte Phy Alcatel



LA1 0 Scheme s pported

Scheme s"pported a-ter LA1>0

8/13/2019 93389298 Lte Phy Alcatel



pp

8/13/2019 93389298 Lte Phy Alcatel


:plin< Lin< )"dget

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%% & 'resentation Title & (onth 200#

(ain 'rinciples

Lin< )"dget is per-ormed -or one mobile located at cell edge @-or each service

transmitting at ma po;er The 8oT @8nter-erence over Thermal 7oise e perienced b this "ser on the :L

depends on the -re4"enc re"se scheme and the service data rate andcorresponding S87R that is g"aranteed -or cell edge "sers

cell radi"s

(A'L

Re4"ired Received Signal(a :E transmit 'o;er

:'L87 Anal sis isan (A'L anal sis

:'L87 Anal sis isan (A'L anal sis

:plin< Lin< )"dget

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%# & 'resentation Title & (onth 200#

(ain 'rinciples

ReceiverSensitivitReceiverSensitivit

Transmit'o;er

Transmit'o;er

Losses and (argins

Losses and (argins MainsMains 8nter-erence8nter-erence

Feeder losses

'enetration Loss

@o"tdoor6indoorShado;ing (argin

?ando-- Main

)od Loss

e7ode!)Antenna Main

:E AntennaMain

Derived -romS87R

per-ormances

8nter-erence(argin

G (A'L

:E Transmitpo;er

@2+d)m

:plin< 'ath

(a im"mAllo;able'ath Loss

:L lin< b"dget elaborated -or "ser o- service < at cell edge transmitting at ma im"m po;er

:plin< Lin< )"dget

8/13/2019 93389298 Lte Phy Alcatel



Rationale )ehind L ) Form"lation

Lin< b"dgets are -orm"lated -or one service that is to be g"aranteed at cell edge@Range :LBM"arBServ

For more limiting service rates lin< b"dgets are -orm"lated "nder the ass"mptionthe are not g"aranteed at cell edge b"t at a red"ced coverage -ootprint

Range :LBM"arBServ

12#<bps

25/<bps

512<bps

:L Rates

:plin< Lin< )"dgetl

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%#0 & 'resentation Title & (onth 200#

E ample -or one service

Dense :rban @2>/M? 'S 12#

Re4"ired Data Rate 12# <bps7o> Reso"rce )loc<s Re4"ired + R)( S ( S #

:sed )and;idth 5,0 <?Target 68 !+>0 d)

e7ode!) 7oise Fig"re 2>5 d)e7ode!) Sensitivit !11 >2 d)m

Antenna Main 1#>0 d)i

able 3 onnector Losses 0>5 d))od Losses 0 d)

Additional :L Losses 0 d)ell area coverage probabilit 95N

*verall standard deviation #>0 d)Shado;ing (argin #>/ d)

?ando-- Main +>/ d)Fast Fading (argin 0 d)'enetration (argin 21 d)

Fi ed 8oT +>0 d):E Antenna Main 0 d)i

:E (a Transmit 'o;er 2+>0 d)m(A'L 12#> d)

:L ell Range 0>,/ <m

7o> Reso"rce )loc<s to Reach DataRate

Signal to 8nter-erence Ratio perReso"rce )loc<

7oise Fig"re o- the e7ode!) is s"pplierdependent

)ased on S87R$ 7oise Fig"re$ Thermal7oise$ )and;idth :sed

*ptimal (od"lation 3 oding Scheme@( S

8/13/2019 93389298 Lte Phy Alcatel


:plin< Lin< )"dgetS87R ' ! * i

8/13/2019 93389298 Lte Phy Alcatel



S87R 'er-ormances ! *vervie;

SINR Target depends on=

e7ode!) e4"ipment per-ormance

Radio conditions @m"ltipath -ading pro-ile$ mobile speed

Receive diversit @2!;a b de-a"lt or optional ,!;a

Targeted data rate and 4"alit o- service

The (od"lation and oding Scheme @( S

(a allo;ed n"mber o- ?ARJ transmissions @(a im"m o- , on :L

?ARJ *perating 'oint H 1N 'ost ?ARJ )LER target considered b de-a"lt

Derived -rom lin< level sim"lations or better b e4"ipment meas"rements @lab oron!-ield meas"rements

:plin< Lin< )"dgetS87R ' ! h l ( d l

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%#+ & 'resentation Title & (onth 200#

S87R 'er-ormances ! hannel (odel

8n realit $ a mi o- m"ltipath conditions e ist across a t pical cell

For coverage assessment$ the ;orst case model sho"ld be considered

8T: OehA m"ltipath channel model are considered a good compromise

For LTE some evolved m"ltipath channel models have been de-ined s"ch asEOA5? or E'A5?

These are an e tension o- the OehA and 'edA models "sed in :(TS to ma<ethem more s"itable -or the ;ider band;idths enco"ntered ;ith LTE$ e>g>P5(?

(ain di--erence lies in the de-inition o- a Doppler -re4"enc instead o- a

speed$ ma<ing the model "seable -or di--erent -re4"enc bandsAll S87R per-ormances "sed in the lin< b"dget are -or all EOehA+ and EOehA50channel models

:plin< Lin< )"dgetS87R ' ! Li < L l R "lt 10(? ) d idth @50 R)

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%#, & 'resentation Title & (onth 200#

S87R 'er-ormances ! Lin< Level Res"lts -or 10(? )and;idth @50 R)

LTE UL T&ro g&) t "*#* SNR+ max ,-R. Tx+ EPedB /m1 1

1

1111

11111

11111

11111

11111

11111

11111

11111

!11 !1 1 1 11 11 11 11 11

SINR (dB!

T & r o g

& )

t ( / 0

) # !

( S G 1 ( S G 1

( S G 1 ( S G 1

( S G 1 ( S G 1

( S G 1 ( S G 1

( S G 1 ( S G 1

( S G 11 ( S G 11

( S G 11 ( S G 11

( S G 11 ( S G 11

( S G 11 ( S G 11

( S G 11 ( S G 11

( S G 11 ( S G 11

( S G 11 ( S G 11

( S G 11 ( S G 11

( S G 11 ( S G 11

( S G 11 TQp"t @<bps

:plin< Lin< )"dgetS87R 'er ormances ! Selection o *ptimal S87R Fig"res

8/13/2019 93389298 Lte Phy Alcatel



S87R 'er-ormances ! Selection o- *ptimal S87R Fig"res

There are a n"mber o- possible sol"tions that can be "sed to provide a given

thro"ghp"t H sol"tions comprise a combination o-=(od"lation 3 oding Scheme @( S

7"mber o- Reso"rce )loc<s @R)

*ptimi ation *bCective=

Select R) s and ( S so as to ma imi e the receiver sensitivit and th"s thelin< b"dget

.hile at the same time respecting the selected ?ARJ operating point @1N post?ARJ )LER obCective

:plin< Lin< )"dgetS87R 'er ormances ! S"mmar or :L 10(? )and;idth @1 2 R Div

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%#/ & 'resentation Title & (onth 200#

S87R er-ormances ! S mmar -or :L 10(? )and;idth @1 2 R Div

'er-ormance -ig"res -or t pical :L lin< b"dget rates

7"mber o- R) s

S87R @incl"de margins

( S$ T)S and ?ARJ Transmissions

Service Oo8' 'S /, 'S 12# 'S 25/ 'S +#, 'S 512 'S /# 'S 1000 'S 2000

)it Rate 12>2 /, 12# 25/ +#, 512 /# 1000 2000

( S / / # 10 10 10 10 10 10

T)S +2# 1 / +92 # 2 1+#, 1 +/ 2 92 +,9/ /9/#

(od"lation J'S J'S J'S J'S J'S J'S J'S J'S J'S

'ost ?ARJ )LER 1N 1N 1N 1N 1N 1N 1N 1N 1N

Re4"ired o- R) 1 2 + 5 # 10 1/ 20 ,0S87R @EOehA +<m6h !+> d) !+>/ d) !+>0 d) !2>, d) !2>9 d) !+>1 d) !+>, d) !2>9 d) !+>+ d)

R Sensitivit !12+ d)m !120 d)m !11 d)m !11, d)m !11+ d)m !112 d)m !110 d)m !109 d)m !10/ d)m

:plin< Lin< )"dgetS87R 'e ormances ! ( S and T)S Tables

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%# & 'resentation Title & (onth 200#

S87R e-ormances ! ( S and T)S Tables

Some )ac<gro"nd 8n-o

(od"lation 3 oding Scheme @( S

This determines the (od"lation *rder ;hich in t"rn determines the T)S 8nde

7"mber o- Reso"rce )loc<s

For a given ( S the Transport )loc< Si e @T)S is given di--erent n"mbers o- reso"rce

bloc<s

( S 8nde $8( S

(od"lation*rder$ J (

T)S 8nde $8T)S

0 J'S 0

1 J'S 12 J'S 2+ J'S +

J'S ,

7 'R)

8T)S 1 2 + ,

0 1/ +2 5/ ## 1201 2, 5/ ## 1,, 1 /

2 +2 2 1,, 1 / 20#+ ,0 10, 1 / 20# 25/, 5/ 120 20# 25/ +2#5 2 1,, 22, +2# ,2,/ +2# 1 / 25/ +92 50,

10, 22, +2# , 2 5#,

( S Table T)S Table

:plin< Lin< )"dget8mplementation (argins

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%## & 'resentation Title & (onth 200#

8mplementation (argins

S87R per-ormances -rom lin< level sim"lations ass"me ideal sched"ling and lin<

adaptation H realit ;ill not be as good For e ample in the do;nlin<$ ;e consider= Error -ree J8 -eedbac<$ 'er-ect 'D ?!' F8 ? decoding$ J8 -eedbac< rate 1620ms$ etc>

To acco"nt -or s"ch ideal ass"mptions there are c"rrentl t;o <e elements tothe margins incorporated into in S87R per-ormances "sed in :L b"dgets toda =

Im)lementation margin to acco"nt -or the ass"mptions implicit in the lin<level sim"lations "sed to derive the S87R per-ormances

"rrentl considered to be 1d)

7o variabilit is ass"med -or di--erent environments or :E mobilit conditions

.ill be t"ned based on S87R meas"rements @not et per-ormed

- 23N- 2 margin to acco"nt -or the p"nct"ring o- A 67A onto the ':S ?

A 1d) margin is applied -or Oo8' services and 0>5d) -or higher data thro"ghp"ts

:plin< Lin< )"dgetonsideration o E plicit Diversit Mains

8/13/2019 93389298 Lte Phy Alcatel



onsideration o- E plicit Diversit Mains

The S87R per-ormance -ig"res considered b Alcatel!L"cent in :L and DL lin<

b"dgets are based on lin< level sim"lations that alread acco"nt -or thecorresponding transmit and receive diversit gains$ i>e>

UL= de-a"lt 1 2 R Diversit

2R Div gain acco"nted -or in the S87R -ig"res

To acco"nt -or ,R Div on the :L an additional 2!+d) gain is considered on the 2R DivS87R -ig"res

DL= de-a"lt 2 2 T Diversit

SF) pre!coding gains I 2R Div gain at the :E are acco"nted -or in the S87R -ig"res

7ote that an additional po;er combining gain is considered at the transmit side$ i>e>-or a 2 ,0. T Div con-ig"ration a #0. transmit po;er is applied in DL lin< b"dgets

INTERN-L N4TE 5 Noi#e %ig re

8/13/2019 93389298 Lte Phy Alcatel



INTERN-L N4TE 5 Noi#e %ig re

The Noi#e %ig re o- the e7ode!) is s"pplier dependent

T picall the 7oise Fig"res o- e!7ode)s range bet;een 2 to +d)

RR? T pe T pical 7oise Fig"reRR?2 @lo;er 00 2>2d)

900 T)D ! 2>5d) @ass"med( !TR% @1#00 + d)( !RR? @1#00 2>5 d)

A.S T)D H 2>5d) @ass"med

RR?2 @2/00 2>/ d)TRD: @2/00 2>/ d)

T pical RR? 7oise Fig"res -or AL: prod"ct @U"ne 2009

:plin< Lin< )"dgetE ercise

8/13/2019 93389298 Lte Phy Alcatel



E ercise

omp"te e7ode!) sensitivit in OehA +<m6h

-or Oo8' 12>2<bps V 1N 'ost!?ARJ )LER

For 'S +#,<bps V 1N 'ost!?ARJ )LER

Alcatel!L"cent e4"ipment=

T pical e7ode!) 7oise Fig"re= 2>5d)

S87R -ig"res= !+> d) -or Oo8' 12>2$ !+>+d) -or 'S+#,

-NS'ER = Sensitivit = !122>/ d)m -or speech$ !11+>2 d)m -or 'S+#,

:plin< Lin< )"dgetE ample -or one service

8/13/2019 93389298 Lte Phy Alcatel



E ample or one service


Re4"ired Data Rate 12# <bps7o> Reso"rce )loc<s Re4"ired + R)

( S ( S #:sed )and;idth 5,0 <?

Target 68 !+>0 d)e7ode!) 7oise Fig"re 2>5 d)

e7ode!) Sensitivit !11 >2 d)mAntenna Main 1#>0 d)i







:L ell Range 0>,/ <mDepends on :E 'o;er lass

0d)i b de-a"lt

+d) bod loss ;hen speech "sage @:E nearhead $ 0d) bod loss ;hen data "sage

T pical gain o- Tri!sectored antenna$depends on -re4"enc band

Depends on -eeder t pe$ length and-re4"enc band

8/13/2019 93389298 Lte Phy Alcatel



8/13/2019 93389298 Lte Phy Alcatel



E ample or one service













Depends on depth o- coverage @e>g> deepindoor$ indoor da light$ o"tdoor > Also

acco"nts -or the indoor shado;ing margin

Shado;ing margin d"e to shado;ingstandard deviation

?ando-- gain

:plin< Lin< )"dgetShado;ing (argin

8/13/2019 93389298 Lte Phy Alcatel



Shado;ing (argin

S&ado7ing 6argin =

Slo; -ading signal level variations d"e to obstacles

(odelled @in d) as a Ma"ssian variable ;ith ero!mean and standard deviationdepending on the environment$ t picall / to #d)

The shado;ing standard deviation can incl"de the variabilit associated ;ith

the indoor penetration> ?o;ever$ it is recommended to con#ider t&i# a# )artof t&e )enetration margin

8mpact on lin< b"dget =

Ta<e a margin to ens"re the received signal is ;ell received @above re4"iredsensitivit ;ith a given probabilit

T picall 95N in Dense :rban$ :rban and S"b"rban and 90N in R"ral

omp"tation as -or :(TS and D(A>

:plin< Lin< )"dget?ando-- Main

8/13/2019 93389298 Lte Phy Alcatel



:nli<e :(TS6. D(A or D(A$ there is no so-t!hando-- -"nctionalit -or LTE

7o so-t!hando-- gain considered -or LTE

Far too pessimistic to onl consider the shado;ing margin comp"ted ;ith one cell"nless considering an isolated cell

A mobile at the cell edge can still handover to a neighbor cell ;ith more -avorableshado;ing$ i>e> a lo;er path loss consider a ,andoff <ain (or 0e#t #er"er#election gain!

Re-erence article= -nal$#i# of fade margin# for #oft and &ard &andoff# $ Rege$ >(>7anda$ S> .eaver$ >F> 'eng$ .>! >$ '8(R 95

INTERN-L N4TE = This hard hando-- gain can be considered -or an s stem ;itho"t so-t hando--> So

this is the case -or MS(> ?o;ever no gain is t picall applied in MS(> For LTE the sampling -re4"enc-or hando-- decisions as ;ell as the hando-- speed itsel- is m"ch -aster than MS( this leads to an

LTE hando-- gain not m"ch less than that considered -or . D(A>

:plin< Lin< )"dget?ando-- Main ! E ample

8/13/2019 93389298 Lte Phy Alcatel



Shado;ing Standard Deviation / d) / d) d) d) # d) # d) 10 d) 10 d)

ell Area overage 'robabilit 90N 95N 90N 95N 90N 95N 90N 95N

ell Edge overage 'robabilit 1N #,N +N #5N 5N #/N #N ##N

?ando-- ? steresis 2 d) 2 d) 2 d) 2 d) 2 d) 2 d) 2 d) 2 d)

Shado;ing (argin @no S?* gain +>+ d) 5>9 d) ,>+ d) >2 d) 5>, d) #> d) > d) 11> d)

S?* Main 2> d) 2># d) +>1 d) +>, d) +>/ d) +>9 d) ,> d) 5>0 d)

+ <m6h ! ??* Main 2>+ d) 2>5 d) 2># d) +>1 d) +>, d) +>/ d) ,>, d) ,># d)

50 <m6h ! ??* Main 2>1 d) 2>2 d) 2>/ d) 2># d) +>1 d) +>+ d) ,>1 d) ,>, d)

100 <m6h ! ??* Main 2>0 d) 2>0 d) 2>, d) 2>/ d) 2># d) +>0 d) +> d) ,>0 d)

p

Antenna ?eight +0 m

2 'ropagation (odel +5>2

Shado;ing orrelation 0>5

? steresis 2 d)

?* sampling time 20 msec

o- samples to decide ?* , samples

orrelation distance 50 m

ell Range 100N

Re-erence article= Anal sis o- -ade margins -or so-t and hard hando--s$ Rege$ >(>7anda$ S> .eaver$ >F> 'eng$ .>! >$ '8(R 95

T pical -or Dense :rban$:rban and S"b"rban 8ndoorT pical -or Dense :rban$

:rban and S"b"rban 8ndoorT pical -or S"b"rban

8ncar 3 R"ralT pical -or S"b"rban

8ncar 3 R"ral

:plin< Lin< )"dget?ando-- Main ! E ample

8/13/2019 93389298 Lte Phy Alcatel



p

7ote that the -"ll ?ando-- Main is onl applicable -or :E s located at the celledge ;here ;e consider one rate g"aranteed at the cell edge and othersg"aranteed ;ithin that coverage -ootprint$ the other services ;ill not ta<ebene-it o- the -"ll hando-- gain

Dense :rban$ Sigma G #d)$ 95N coverage reliabilit $ +<m6h mobilit

12#<bps 25/<bps 512<bps

:L Rates

0>0 d)

0>5 d)

1>0 d)

1>5 d)

2>0 d)

2>5 d)

+>0 d)

+>5 d)

,>0 d)

0N 20N ,0N /0N #0N 100N

of 1ell Range

, a n

d o f f

< a

i n

:plin< Lin< )"dget'enetration (argin

8/13/2019 93389298 Lte Phy Alcatel



( g

The penetration losses characteri e the level o- indoor coverage targeted b theoperator @deep indoor$ indoor da light$ ;indo;$ incar$ o"tdoor$ etc

?ighl dependent on the ;all materials and n"mber o- ;alls6;indo;s to bepenetrated

8t is recommended to consider the penetration margin as a single X;orst caseYmargin as the shado;ing standard deviation doesn t incl"de the indoorpenetration variabilit

T pical 'enetration Losses at 2M?

Environment 'enetration (argin @d)

Dense :rban H Deep 8ndoor 20

:rban ! 8ndoor 1S"b"rban ! 8ndoor 1,

R"ral H 8ncar #

INTERN-L N4TE 5 Penetration Lo##e#

8/13/2019 93389298 Lte Phy Alcatel



For 006#506900(? $ lo;er penetration losses can be considered

7ote that the -re4"enc dependenc o- the penetration losses is ver material!dependent

T picall $ ;e can ass"me 2d) lo;er penetration margins compared to those at2M?

For 2>/M? $ higher penetration losses co"ld be considered7ote that the -re4"enc dependenc o- the penetration losses is ver material!dependent

T picall $ ;e can ass"me 2d) higher penetration margins compared to those at2M?


8/13/2019 93389298 Lte Phy Alcatel















8nter-erence (argin or 8oT

This sensitivit is calc"lated -or noise onl >A margin m"st be considered -or the

inter-erence above noise= 8nter-erence(argin

:plin< Lin< )"dget8nter-erence (argin

8/13/2019 93389298 Lte Phy Alcatel



Sensitivit -ig"res t pical consider onl thermal noise$ the real inter-erence$ 8 C$m"st also be considered @not onl the thermal noise

Interference margin or IoT @8nter-erence over Thermal 7oise

A re"se o- 1 is t pical @option to "se schemes s"ch as so-t -ractional re"se orinter-erence coordination

The 8oT operating point can be set to achieve a minim"m data rate at celledge and6or to match inc"mbent technolog coverage

d)d)mC ce(argin8nter-erenSensitivit'o;er$Receivedd)m

+≥

=.7

8log11ce(argin8nter-eren

th

Cd)

:plin< Lin< )"dget. D(A 7oise Rise ! .hat s Di--erent )et;een LTE and . D(AZ

8/13/2019 93389298 Lte Phy Alcatel



) de-inition$ ell Load and Total 8nter-erence rise @X7oise RiseY are lin<ed=

;here 8 total is the total received po;er at the node ) @incl"ding the "se-"lsignal

Di--erences ;ith LTE

8nter-erence -rom adCacent cells onl-or LTE @no intracell inter-erence

(a . D(A cell load is dependent

on po;er control stabilit7o concept o- cell load -or LTE

( )ULo

totaldBtot x

W NIi −−=

= 11111 log log

1

1

11

11

11

11

11

1 11 11 11 11 11 11 11 11 11 111

Cell Load (%)

N

o i s e

R i s e

( d

! cell lo"d11

dB Noise Rise1

LTE 8oT.hat Determines the 8oT -or LTEZ

8/13/2019 93389298 Lte Phy Alcatel



The average 8oT is dependent "pon the targeted cell edge data rate @S87R

The higher the cell edge S87R target$ the higher the average 8oT

:ltimatel there is a point at ;hich the increased 8oT can not be s"stained;ith the corresponding S87R

)ased on s stem level sim"lations=

1

1

1

1

1

1

1

1

1

1

!1 !1 !1 !1 !1 !1 !1 1 1 1

1ell Edge SINR Target+ T SINR (dB!

- " e r a g e

I o T ( d B !

1

111

111

111

111

1 1 1 1 1 1 1 1 1 1

6ean IoT (dB!

- " g a n d

= U

E T & r o g

& )

t ( / 0 ) #

!

1

Average Thro"ghp"tell Edge Thro"ghp"t

LTE 8oT.hat Determines the 8oT -or LTEZ

8/13/2019 93389298 Lte Phy Alcatel



For LTE the 8oT can be e pressed as=

IoT = 1 3 (1 RB Load x %-"g x T SINR !

.here

R) Load G Average N loading o- the reso"rce bloc<s o- adCacent cells

:nder -"ll loading this can be considered to be 100N

FAvg G The average ratio bet;een e tracell inter-erence and "se-"l signalreceived at the e7ode!)

)ased on s stem level sim"lations the t pical val"e o- F Avg -or :L -ractional po;ercontrol is 0># H this is 4"ite comparable to that "sed -or . D(A

TS87R G S87R target at the cell edge

8/13/2019 93389298 Lte Phy Alcatel


:plin< Lin< )"dget.hat Determines the 8oT -or LTEZ

8/13/2019 93389298 Lte Phy Alcatel



0>1 d)

1>0 d)

10>0 d)

100>0 d)

!/>0 d) !,>0 d) !2>0 d) 0>0 d) 2>0 d) ,>0 d) />0 d) #>0 d)

1ell Edge SINR Target

I o T

*mni :E Antenna

Directional :E Antenna

The average 8oT is dependent "pon the targeted cell edge data rate @S87R

The higher the cell edge S87R target$ the higher the average 8oT

)ased on s stem levelsim"lations=

*mni and Directional :E

antennasS87Rs res"lting in an 8oTP 5!/d) is not consideredreasonable

Realistic ell Edge S87R*perating Range

:plin< Lin< )"dget*verall (A'L 3 ell Range

8/13/2019 93389298 Lte Phy Alcatel



*verall (A'L -or a given service=

d)d)

d)d)md)

d)d)d)d)d)(a T%d)C

?*MainarginShado;ing(ce(argin8nter-erenSensitivitn'enetratio

)od lossR lossR gainT lossT gain'(A'Ld)m

+−

−−−

−−+−+=

Re#erenceSensitivity

$r"nsmit %o&er'osses

"nd "rgins

"ins

• = *%'

Inter#erencecell r"di s

",im m *llo&"-le%"thloss

Re#erence Sensitivity

", / tr"nsmit %o&er

"ins 'osses "rgins

Inter#erence m"rgin

e,tr" cell inter#erence

:plin< Lin< )"dgetE ample -or ("ltiple Services

( ) ( )cell11d)Cd) Rlog99(A'L(in(A'L +==

8/13/2019 93389298 Lte Phy Alcatel



Dense :rban @2>/M? Oo8' 'S /, 'S 12# 'S 25/ 'S +#, 'S 512 'S /# 'S 1000 'S 2000

Re4"ired Data Rate 12>2 <bps /, <bps 12# <bps 25/ <bps +#, <bps 512 <bps /# <bps 1000 <bps 2000 <bps

7o> Reso"rce )loc<s Re4"ired 1 R) 2 R) + R) 5 R) # R) 10 R) 1/ R) 20 R) ,0 R)

( S ( S / ( S / ( S # ( S 10 ( S 10 ( S 10 ( S 10 ( S 10 ( S 10

:sed )and;idth 1#0 <? +/0 <? 5,0 <? 900 <? 1,,0 <? 1#00 <? 2##0 <? +/00 <? 200 <?

Target 68 !+> d) !+>/ d) !+>0 d) !2>, d) !2>9 d) !+>1 d) !+>, d) !2>9 d) !+>+ d)

e7ode!) 7oise Fig"re 2>5 d) 2>5 d) 2>5 d) 2>5 d) 2>5 d) 2>5 d) 2>5 d) 2>5 d) 2>5 d)

e7ode!) Sensitivit !122> d)m !119>/ d)m !11 >2 d)m !11,>, d)m !112>9 d)m !112>1 d)m !110>+ d)m !10#># d)m !10/>2 d)m

Antenna Main 1#>0 d)i 1#>0 d)i 1#>0 d)i 1#>0 d)i 1#>0 d)i 1#>0 d)i 1#>0 d)i 1#>0 d)i 1#>0 d)i

able 3 onnector Losses 0>5 d) 0>5 d) 0>5 d) 0>5 d) 0>5 d) 0>5 d) 0>5 d) 0>5 d) 0>5 d))od Losses + d) 0 d) 0 d) 0 d) 0 d) 0 d) 0 d) 0 d) 0 d)

Additional :L Losses 0 d) 0 d) 0 d) 0 d) 0 d) 0 d) 0 d) 0 d) 0 d)

ell area coverage probabilit 95N 95N 95N 95N 95N 95N 95N 95N 95N

*verall standard deviation #>0 d) #>0 d) #>0 d) #>0 d) #>0 d) #>0 d) #>0 d) #>0 d) #>0 d)

Shado;ing (argin #>/ d) #>/ d) #>/ d) #>/ d) #>/ d) #>/ d) #>/ d) #>/ d) #>/ d)

?ando-- Main +>/ d) +>/ d) +>/ d) +>0 d) 2>, d) 2>0 d) 1>5 d) 1>1 d) 0>5 d)

Fast Fading (argin 0 d) 0 d) 0 d) 0 d) 0 d) 0 d) 0 d) 0 d) 0 d)

'enetration (argin 21 d) 21 d) 21 d) 21 d) 21 d) 21 d) 21 d) 21 d) 21 d)Fi ed 8oT +>0 d) +>0 d) +>0 d) +>0 d) +>0 d) +>0 d) +>0 d) +>0 d) +>0 d)

:E Antenna Main 0 d)i 0 d)i 0 d)i 0 d)i 0 d)i 0 d)i 0 d)i 0 d)i 0 d)i

:E (a Transmit 'o;er 2+ d)m 2+ d)m 2+ d)m 2+ d)m 2+ d)m 2+ d)m 2+ d)m 2+ d)m 2+ d)m

(A'L 1+1>2 d) 1+1>1 d) 12#> d) 125>+ d) 12+>1 d) 122>0 d) 119> d) 11 ># d) 11,>5 d)

:L ell Range 0>5+ <m 0>5+ <m 0>,/ <m 0>+ <m 0>+2 <m 0>+0 <m 0>25 <m 0>2+ <m 0>1# <m

:plin< Lin< )"dgetFractional 'o;er ontrol H ?andling in L ) @,6,

8/13/2019 93389298 Lte Phy Alcatel



Respecting the S87R slope @dictated b the -ractional po;er control parametersmeans -or services re4"iring ver high S87R val"es that=

S"bstantial red"ctions in allo;able :E transmit po;er are re4"ired

The corresponding impact on the lin< b"dget is s"bstantial

:plin< Lin< )"dget'ropagation (odels

8/13/2019 93389298 Lte Phy Alcatel



For 00$ #50 or 900 (? ! 4/ m ra ,ata =

1 G /9>55 I 2/>1/ log 10@F(? ! 1+>#2 log 10@?b ! a@?m I c

a@?m G @1>1 log10@F(? ! 0> ?m ! @1>5/ log10@F(? ! 0># medi"m!si ed cit

2 G ,,>9 !/>55[log10@?b

For A.S$ 1>9M? or 2>1M? ! 4ST 9;1 ,ata =

1 G ,/>+ I ++>9 log 10@F(? ! 1+>#2 log 10@?b ! a@?m I c

2 G ,,>9 ! />55 log 10@?b

For 2>/M? ! modified 4ST 9;1 ,ata = as *ST!2+1 ?ata is limited to 1>5M? to 2M?

)ased on meas"rements at higher -re4"encies @2>5M? 3 +>5M? =1 G ,/>+ I ;;* x log 1C(9CCC! + 9C x log 1C(%6,@ 39CCC! ! 1+>#2 log 10@?b ! a@?m

I c

2 G ,,>9 ! />55 log 10@?b

:plin< Lin< )"dget8mpact o- T(A @16+

8/13/2019 93389298 Lte Phy Alcatel



To7er 6o nted -m)lifier (T6-! also called

(ast ?ead Ampli-ier @(?A

Im)act on lin/ 0 dget

Slightl Red"ce the global 7oiseFig"re

ompensate the cable losses

0>,d) DL insertion losses

:sage recommended for ULco"erage limited #cenario#

eNode B

"l $ *

2 mper3"-le

2 mper3"-le

$4 5 R4 $4 div 5 R4 div

ple,er

ple,er ple,er

ple,er

'N*'N*

Feeder

*ntenn"6ertic"l

%ol"ris"tion

To;er (o"nted Ampli-ier8mpact o- T(A @26+

8/13/2019 93389298 Lte Phy Alcatel



T pical gain on "plin< lin< b"dget@(acro site =

9* dB gain -or sites ;ith +d) cablelosses

;* dB gain -or sites ;ith ,d) cablelosses

T pical gain on "plin< lin< b"dget @RR?site =

C*;dB gain -or sites ;ith 0>/d) cablelosses

Note = T(A sho"ld not be considered-or RR? sites

Friis -orm"la to comp"te the overallnoise -ig"re o- the receiver chain

;ith T(A=

.ith and

.here 7F -eeder G!M-eeder GFeederLosses

11

7F

element

element

11n

= 11

M

element

element

11g =

-eederT( A

)7ode

T(A

-eederT(Aoverall gg

1ng

1nnn

⋅

−+

−+=

−

T pical T(A characteristics=

7F T(A G2 d) M T(A G12 d)DL 8nsertion losses G 0>,d)

To;er (o"nted Ampli-ier8mpact o- T(A @+6+

8/13/2019 93389298 Lte Phy Alcatel



Dense :rban @2>/M? 'S 12# @no T(A 'S 12# @T(A

Re4"ired Data Rate 12# <bps 12# <bps7o> Reso"rce )loc<s Re4"ired + R) + R)( S ( S # ( S #

:sed )and;idth 5,0 <? 5,0 <?Target 68 !+>0 d) !+>0 d)

e7ode!) 7oise Fig"re 2>5 d) 2>, d)e7ode!) Sensitivit !11 >2 d)m !11 >+ d)m

Antenna Main 1#>0 d)i 1#>0 d)i

able 3 onnector Losses +>0 d) 0>2 d))od Losses 0 d) 0 d)

Additional :L Losses 0 d) 0 d)ell area coverage probabilit 95N 95N

*verall standard deviation #>0 d) #>0 d)Shado;ing (argin #>/ d) #>/ d)

?ando-- Main +>/ d) +>/ d)Fast Fading (argin 0 d) 0 d)'enetration (argin 21 d) 21 d)

Fi ed 8oT +>0 d) +>0 d):E Antenna Main 0 d)i 0 d)i

:E (a Transmit 'o;er 2+>0 d)m 2+>0 d)m(A'L 12/>2 d) 129>1 d)

:L ell Range 0>+9 <m 0>, <m

7o cable losses b"t 0>2d)C"mper losses

Red"ced 7oise -ig"re@based on Friis -orm"la

Aro"nd 2>9d) gain on (A'L -orsites ;ith +d) cable losses

ommon 3 ontrol hannel onsiderations*vervie;

8/13/2019 93389298 Lte Phy Alcatel



There are t;o main common and control channel considerations that sho"ld beassessed -or an LTE net;or< design to ens"re that the ;ill not limit thecoverage> These incl"de=

INTERN-L N4TE 5 Attach 'roced"re

A 67A Transmission

Either p"nct"red onto the 'h sical :plin< Shared hannel @':S ?

*r over the 'h sical :plin< ontrol hannel @': ?

INTERN-L N4TE 5 ommon 3 ontrol hannel onsiderationsAttach 'roced"re

8/13/2019 93389298 Lte Phy Alcatel



This is the proced"re that the :E m"st go thro"gh to Attach to an LTE net;or<

e7):E ((E

RA ? 'reamble @ 1

Mrant and TA @ 1

RR onnection Re4"est @ 1

RR onnection Set"p @ 1

RR onnection Set"p omplete @ 1

SM. 'M.

No 66E Relocation

Attach re4"est @ 1

A"thentication @optional 6 sec"rit @ 1 !1

reate De-a"lt )earerRe4"est @ 1 D) Re4"est@11

Limiting

(essage


8/13/2019 93389298 Lte Phy Alcatel



From a lin< b"dget perspective the limiting message -rom messages 1$ 2$ +$ ,$ 5$15 and 1/ @that involve the air inter-ace m"st be considered to assess an lin<b"dget constraints

e7):E ((E

Attach accepted@11

SM. 'M.

reate De-a"lt )earer Response@11

D) Response@11

RR onnection recon-ig"ration

@11

RR onnection recon-ig"ration complete@11

-ttac& com)lete( !11

No 66E Relocation

1 st :L bearer pac<et

:pdate )earer Re4"est @ 11

:pdate )earer Response @ 11

1 st DL bearer pac<et


8/13/2019 93389298 Lte Phy Alcatel



(essage + @RR onnection Re4"est

1 reso"rce bloc< ;ith J'S rate 16+ providing an average e--ective data rateo- 20># <bps @a-ter 5 ?ARJ transmissions

S87R re4"irement G 0> d)@incl"ding margins

:L lin< b"dgetDense :rban

2>/M? band

Attach L ) an be LimitingDepending on ell Edge Rate

Target

ommon 3 ontrol hannel onsiderationsA 67A Transmission

8/13/2019 93389298 Lte Phy Alcatel



DL transmission re4"ires a stead stream o- A transmissions over the :L toac<no;ledge the DL pac<ets

orrect A reception iscritical -or optimi ing the DLe--icienc

AL: p"nct"res A over the

':S ? initiall and over the': ? in the longer term

A 67A Transmission=

1 R)$ J'S $ S87R !+>,d)

@':S ? 3 !,>2d) @': ? :L L ) -or :rban$ 2>/M? band

A 8s 7ever Foreseen to Limit :L overage

8/13/2019 93389298 Lte Phy Alcatel


Do;nlin< Lin< )"dgetRationale )ehind Do;nlin< L ) Form"lation @16+

8/13/2019 93389298 Lte Phy Alcatel



1> DL ell range de-ined b :L cell edge service lin< b"dget

2> DL thro"ghp"ts comp"ted -or coverage probabilities associated ;ith eachcorresponding :L service

+> Meometr distrib"tion "sed -or determining the cell edge thro"ghp"t

Do;nlin< Lin< )"dgetRationale )ehind Do;nlin< L ) Form"lation @26+

8/13/2019 93389298 Lte Phy Alcatel



The above e ample ill"strates the detailed DL Lin< )"dget on the s"bse4"ent slides

:rban morpholog $ indoor 0d)i omni :E con-ig"ration$ cell range -i ed -or :L 12#<bps$100N adCacent cell DL R) Loading$ 7o T(A

7ote= The diagram is not to scale and doesn t incl"de all rates

Range :LBM"arBServ

12#<bps @+R) ! g"aranteed at cell edge

25/<bps @5R)512<bps @10R)

:L Rates

DL Rates

+921<bps @50R)

#/2+<bps @50R)

1+2+<bps @50R)

Do;nlin< Lin< )"dgetRationale )ehind Do;nlin< L ) Form"lation @+6+

8/13/2019 93389298 Lte Phy Alcatel



:ni-orm po;er per R) is ass"med on the DL

DL per-ormances e tracted -rom lin< level sim"lationsThe optimal ( S is selected -or given n"mber o- R) to ma imi e thro"ghp"t ;hileens"ring a 20N initial )LER

*nl T Div is ass"med -or re-erenced DL lin< level sim"lations

As the DL lin< b"dget is -oc"sing on cell edge per-ormances it is considered that theran< and geometr are ins"--icient to C"sti- Spatial ("ltiple ing @S(

.here a relativel lo; rate is g"aranteed on the :L at cell edge$ e>g> 512<bps therelative :L cell ranges -or the high :L rates ;ill be ver small and th"s thecorresponding DL S87Rs ;ill be relativel high d"e to the red"ced coverage reliabilit Hin s"ch cases there is some C"sti-ication -or consideration S( per-ormances @not etincorporated here

Do;nlin< )"dgetE ample= 10(? ).

8/13/2019 93389298 Lte Phy Alcatel



Dense :rban @2>/M? 'S 12# 'S 25/

7o> Reso"rce )loc<s 50 R) 50 R):sed )and;idth 9000 <? 9000 <?

:E 7oise Fig"re d) d)e7ode!) Antenna Main 1# d)i 1# d)i

able 3 onnector Losses 0>5 d) 0>5 d))od Loss 0 d) 0 d)

'enetration (argin 21 d) 21 d)Limiting :L ell Range 0>,/ <m 0>,/ <m

DL T 'aths 2 paths 2 pathsTotal DL e7ode!) T 'o;er 6 'ath +0 . +0 .

N DL 'o;er -or 'DS ? #0N #0N(a e7ode!) T 'o;er 6 Service ,/># d)m ,/># d)m:E Antenna Main 0 d)i 0 d)i

AdCacent ell Loading 100N 100N:L Service ell Range 0>,/ <m 0>+ <m

DL 'ath Loss V :L ell Edge 129>1 d) 125> d)Total DL Losses V :L ell Edge 150>/ d) 1, >2 d)

DL ell Area overage 'robabilit 95N /1NMeometr at :L Service ell Range !,>9 d) !0>1 d)

Desired Signal !#5># d)m !#2>+ d)mAdCacent ell Signal !#0>9 d)m !#2>2 d)m

7oise !9 >5 d)m !9 >5 d)mell Edge S87R !5>0 d) !0>2 d)*ptimal ( S ( S 2 ( S

Data Rate at :L Service ell Edge 1+2+ <bps +921 <bps

ell Range -or Limiting :LService @12#<bps

ell Range -or E4"ivalent:L Service @25/<bps

overage 'robabilit -or

DL service95N @0>+/ 2 6 @0>,/ 2

E4"ivalent :L Service

8/13/2019 93389298 Lte Phy Alcatel


Do;nlin< )"dgetDL 'o;er Settings

8/13/2019 93389298 Lte Phy Alcatel



Depending on the *A( po;er o--set settings -or the Reso"rce Elements @RE o-di--erent channel t pes ;e can comp"te the Average 'DS ? 'o;er 6 *FD(S mbol

E ample belo; -or 10(? $ 2 ,0. 'A 'o;er

Average N po;er 6 s mbol allocated to 'DS ? RE s +2>1 6 ,0 G C*9

Do;nlin< )"dgetMeometr 3 S87R @162

8/13/2019 93389298 Lte Phy Alcatel



Meometr distrib"tions -rom s stem sim"lations

A range o- :E con-ig"rations$ bothomni and$ directional :Es @-i ed ;ireless

E amples in L ) are -or coveragereliabilities o- 95N and /1N

Kield Meometries o- !+>9 3 ,> d)respectivel

95N overage Reliabilit

Meometr!+>9d)

Meometr Distrib"tions @Di--erent :E on-igs

0N

10N

20N

+0N

,0N

50N

/0N

0N

#0N

90N

100N

!5>0 d) !1>0 d) +>0 d) >0 d) 11>0 d) 15>0 d) 19>0 d) 2+>0 d)

<eometr$

1 D %

*"tdoor ! 2 d)i ! *mni*"tdoor ! , d)i ! *mni*"tdoor ! , d)i ! Direc>*"tdoor ! / d)i ! Direc>*"tdoor ! # d)i ! Direc>

*"tdoor ! 10 d)i ! Direc>8ndoor ! 0 d)i ! *mni8ndoor ! 2 d)i ! *mni8ndoor ! , d)i ! *mni

/1N overage Reliabilit

Meometr,> d)

An additional 1d) iss"btracted -romthese geometr

val"es to align ;ith-ield e pectations

∑=

AllSiteAdCacent

SiteServing

'o;erR

'o;erRMeometr

Do;nlin< )"dgetMeometr 3 S87R @262

8/13/2019 93389298 Lte Phy Alcatel



'DS ? S87R -or a de-ined cell range and coverage reliabilit =

'DS ? S87R G 'DS ? R 6 \ 'DS ? R H Meometr I Thermal 7oise].here=

'DS ? R G 'o;er 'DS ? H Total DL Losses

'o;er 'DS ? G 'o;er (a 'A 'o;er Fraction 'DS ? R) Service 6 R) (a

– %ower &raction %'()H is the a*era+e fraction of the total power allocated to%'()H Resource lements -R s. per s/mbol across all RB0s

Thermal 7oise G 10 log10@ F 7 th 7 R) . R)

H F= e7ode!) 7oise -ig"re in d)

H 7 th = Thermal noise densit $ 10log@7 th G!1 , d)m6?

H 7 R)= 7"mber o- reso"rce bloc<s @R) re4"ired to reach a given data rate

H . R)= )and;idth o- one Reso"rce )loc<

Do;nlin< )"dgetE ample= 10(? ).

8/13/2019 93389298 Lte Phy Alcatel



Dense :rban @2>/M? 'S 12# 'S 25/

7o> Reso"rce )loc<s 50 R) 50 R):sed )and;idth 9000 <? 9000 <?

:E 7oise Fig"re d) d)e7ode!) Antenna Main 1# d)i 1# d)i

able 3 onnector Losses 0>5 d) 0>5 d))od Loss 0 d) 0 d)

'enetration (argin 21 d) 21 d)Limiting :L ell Range 0>,/ <m 0>,/ <m

DL T 'aths 2 paths 2 pathsTotal DL e7ode!) T 'o;er 6 'ath +0 . +0 .

N DL 'o;er -or 'DS ? #0N #0N(a e7ode!) T 'o;er 6 Service ,/># d)m ,/># d)m:E Antenna Main 0 d)i 0 d)i

AdCacent ell Loading 100N 100N:L Service ell Range 0>,/ <m 0>+ <m

DL 'ath Loss V :L ell Edge 129>1 d) 125> d)Total DL Losses V :L ell Edge 150>/ d) 1, >2 d)

DL ell Area overage 'robabilit 95N /1NMeometr at :L Service ell Range !,>9 d) !0>1 d)

Desired Signal !#5># d)m !#2>+ d)mAdCacent ell Signal !#0>9 d)m !#2>2 d)m

7oise !9 >5 d)m !9 >5 d)mell Edge S87R !5>0 d) !0>2 d)*ptimal ( S ( S 2 ( S

Data Rate at :L Service ell Edge 1+2+ <bps +921 <bps

(a R) -or the band;idth is

ass"med b de-a"lt

orresponding L1 Thro"ghp"t -orR)$ ( S and S87R

The optimal ( S -or theR) and S87R

Do;nlin< Lin< )"dgetS87R 'er-ormances ! *vervie;

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1+0 & 'resentation Title & (onth 200#

Li<e the :L the DL SINR Performance# depends on=

e7ode!) e4"ipment per-ormanceRadio conditions @m"ltipath -ading pro-ile$ mobile speed

Receive diversit @2!;a b de-a"lt or optional ,!;a

Targeted data rate and 4"alit o- service

The (od"lation and oding Scheme @( S

(a allo;ed n"mber o- ?ARJ transmissions

?ARJ *perating 'oint H 20N )LER -or 1 st ?ARJ Transmission considered bde-a"lt

Derived -rom lin< level sim"lations

7ote= "rrentl the Lin< Level Sim"lations re-erenced in the DL L )are -or EOehA+<m6h$ 2 2 T Div

8/13/2019 93389298 Lte Phy Alcatel


Do;nlin< Lin< )"dgetDo;nlin< 'er-ormance Anal sis @16+

8/13/2019 93389298 Lte Phy Alcatel



Do;nlin< Lin< Level Res"lts -or=

25 R)$ ( S 2#$ T Div and 5(? )and;idth

<bps1

<bps1111

<bps1111

<bps1111

<bps1111

<bps11111

<bps11111

<bps11111

<bps11111

> d)1111 > d)1111 > d)1111 > d)1111 > d)1111 > d)1111 > d)1111 > d)1111

SINR

T & r o g & ) t

> N11

> N111

> N111

> N111

> N111

> N1111

> N1111

B L E R

Thro"ghp"t

)LERB1 20N )LER 1 9

> , d ) S 8 7 R

12(bps Thro"ghp"t

Do;nlin< Lin< )"dgetDo;nlin< 'er-ormance Anal sis @26+

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1++ & 'resentation Title & (onth 200#


25 R)$ 1!2# ( S$ T Div and 5(? )and;idth!5d) cell edge S87R

<bps1

<bps1111

<bps1111

<bps1111

<bps1111

<bps11111

<bps11111

<bps11111

1 1 11 11 11 11

61S Index

T & r o g

& )

t

! d)11

! d)1

d)1

d)1

d)11

d)11

d)11

d)11

S I N R

Thro"ghp"t

S87R

!5d) ell Edge S87R Target

( S 1

//0 <bps T p"t

Do;nlin< Lin< )"dgetDo;nlin< 'er-ormance Anal sis @+6+

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1+, & 'resentation Title & (onth 200#


1 to 25 R)$ All ( S$ T Div and 5(? )and;idth!5d) cell edge S87R

<bps1

<bps11

<bps111

<bps1111

R)1 R)1 R)11 R)11 R)11

? Re#o rce Bloc/#

T & r o g & )

t

( S 1

( S 1

( S 1

( S 1

( S 1

( S 1

( S 1

6 o d

l a t i o n

F 1 o

d i n g

S c & e m e

Thro"ghp"t

Thro"ghp"t 6 R)

( S

Do;nlin< )"dgetE ample= 10(? ). @("ltiple Services

'S 12# 'S 25/ 'S 512

8/13/2019 93389298 Lte Phy Alcatel



Dense :rban @2>/M? 'S 12# 'S 25/ 'S 512

7o> Reso"rce )loc<s 50 R) 50 R) 50 R):sed )and;idth 9000 <? 9000 <? 9000 <?

:E 7oise Fig"re d) d) d)e7ode!) Antenna Main 1# d)i 1# d)i 1# d)i

able 3 onnector Losses 0>5 d) 0>5 d) 0>5 d))od Loss 0 d) 0 d) 0 d)

'enetration (argin 21 d) 21 d) 21 d)Limiting :L ell Range 0>,/ <m 0>,/ <m 0>,/ <m

DL T 'aths 2 paths 2 paths 2 pathsTotal DL e7ode!) T 'o;er 6 'ath +0 . +0 . +0 .

N DL 'o;er -or 'DS ? #0N #0N #0N(a e7ode!) T 'o;er 6 Service ,/># d)m ,/># d)m ,/># d)m:E Antenna Main 0 d)i 0 d)i 0 d)i

AdCacent ell Loading 100N 100N 100N:L Service ell Range 0>,/ <m 0>+ <m 0>+0 <m

DL 'ath Loss V :L ell Edge 129>1 d) 125> d) 122>, d)Total DL Losses V :L ell Edge 150>/ d) 1, >2 d) 1,+>9 d)

DL ell Area overage 'robabilit 95N /1N ,0NMeometr at :L Service ell Range !,>9 d) !0>1 d) +>+ d)

Desired Signal !#5># d)m !#2>+ d)m ! 9>1 d)mAdCacent ell Signal !#0>9 d)m !#2>2 d)m !#2>, d)m

7oise !9 >5 d)m !9 >5 d)m !9 >5 d)mell Edge S87R !5>0 d) !0>2 d) +>2 d)*ptimal ( S ( S 2 ( S ( S 10

Data Rate at :L Service ell Edge 1+2+ <bps +921 <bps #/2+ <bps

Do;nlin< Lin< )"dgetS"mmar

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1+/ & 'resentation Title & (onth 200#

The do;nlin< lin< b"dgets presented here are indicative o- ;hat rates areachievable ;ithin the corresponding :L service coverage areas

LTE coverage is not considered to be limited b the DL -or t pical e7ode!)o"tp"t po;ers and deplo ment scenarios ;ith a 2+d)m :E o"tp"t po;er$ lin<b"dgets sho"ld remain "plin< limited

8t is important to "nderstand that=

DL cell edge per-ormances are strongl dependent "pon sched"ler parameters@e>g> t"ning o- the -airness o- the proportional -air sched"ler algorithm or theavailable band;idth @e>g> 10(? vs 5(?

DL per-ormances in the lin< b"dget are based onl on long term average 'DS ?

S87R val"es and do not acco"nt -or d namic channel variations that can beaddressed ;ith -re4"enc selective sched"ling -"nctionalities

)etter estimates o- DL per-ormances can be achieved b means o-=

S stem level sim"lations and6or Radio 7et;or< 'lanning @R7' anal sis

Do;nlin< Lin< )"dgetRe4"ired DL *"tp"t 'o;er Z

8/13/2019 93389298 Lte Phy Alcatel



A series o- s stem sim"lation st"dies ;ere per-ormed to assess the re4"ired'o;er Ampli-ier @'A si ing -or + di--erent important cases

00 (? @10 (? $ 2>1 M? @10 (? $ 2>1 M? 6A.S @5 (? and 2>/ M? @20(?

All scenarios considered 2 2 (8(* on the DL and 2R Div on the :L

8n principle$ all st"dies concl"ded the -ollo;ing=

Spectr"m e--icienc -or XreasonableY cell si es is relativel invariant toreasonable choices -or 'A si es

Edge rates become m"ch more sensitive to the choice o- po;er at large cellradi"ses

Do;nlin< Lin< )"dgetDo;nlin< 'A Si ing -or LTE H oncl"sions

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1+# & 'resentation Title & (onth 200#

arrier )and;idths 'A 'o;er

1>, (? 2 10 .

+>0 (? 2 10 .

5>0 (? 2 20 .

10>0 (? 2 +0 .

15>0 (? 2 ,0 .

20>0 (? 2 ,0 .

Recommendations-rom st"d

@independent o--re4"enc

8/13/2019 93389298 Lte Phy Alcatel



RF Design

8/13/2019 93389298 Lte Phy Alcatel


Rollo"t 'haseSite Field 'ositioning 'rinciples

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1,1 & 'resentation Title & (onth 200#

)ased on Site o"nt @-rom RF dimensioning process

Sites positioned to satis-– R( co*era+e tar+et -from B for a tar+et area reliabilit/.

– )apacit/ re uirement

'laced either man"all or "tili ing A"tomatic ell 'lanning @A ' tools

Site Sharing Approach=

The -irst and 4"ic<est approach 7it&o t RNP is to overla e isting sites ;ith LTE– 3 141 mappin+ is most appropriate where the o*erlaid network is at a

fre uenc/ band close to band

Site overla optimi ed 7it& t&e aid of RNP predictions ;ith an acc"rate propagationmodel

– (ites can be added or deleted where there is limited or e6cess co*era+e,respecti*el/

– 3nal/sis performed at the same time as antenna azimuth optimization -seene6t slide.

Rollo"t 'haseRF *ptimi ation riteria

8/13/2019 93389298 Lte Phy Alcatel



A im"th optimi ation and tilt optimi ation are the main r"les to optimi e thenet;or< in order to have the best radio environment be-ore implementing an-eat"res>

The aim are

*ptimi e coverage in order to reach RSR' targets

To red"ce the n"mber o- servers covering the same area in order to avoid e cessiveoverlapping>

– his minimize interference without impactin+ co*era+e, impro*e (78R sonetwork performances like

7 hrou+hput

7 )apacit/7 &re uenc/ re9use efficienc/

Rollo"t 'haseRSR' target

RS!RSS8= total po;er transmitted dedicated -or Re-erence signal d"ring one

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1,+ & 'resentation Title & (onth 200#

p ; g g*FD( s mbol d"ration

"rrentl in Atoll it is more RS!RSS8 is calc"lated$ and the total po;erdedicated to RS is 16/ o- (a po;er> This approach is not 100N o- the time inline ;it po;er settings on the -ield

LA0> -or a +0. 'A po;er energ per RE -or RS is 1,>9 d)m> onsidering 10(?band;idth 100 RE are "sed to calc"late RS!RSS8$ so total po;er dedicated to RS over

one *FD( s mbol is +,>9d)m$ b"t Atoll calc"lates +0.6/$ so + d)m$ so to do the rightcalc"lation -or this con-ig"ration ma po;er set in Atoll sho"ld be ,+d)m instead o-,5d)m>

8/13/2019 93389298 Lte Phy Alcatel



*"tdoor RSR' target depending on environment and -re4"encies -or :L 'S 12# service and

8/13/2019 93389298 Lte Phy Alcatel



:L 'S 25/$ considering ,5d)m 'A po;er and 1,>9 d)m Re-erence signal T po;er per RE>RSR' val"e does not depends on the n"mber o- transmit

DL RS E8R' per RE and per transmit=

+0>9d)m V 2/00(? 62100(? 6A.S61900(? 61#00(? ;ith 1#d)i antenna gain 3 2d)cable losses

+0>9d)m V 900(? 6#50(? ;ith 1 d)i antenna gain 3 1d) cable losses

2#>9d)m V 00(? ;ith 15d)i antenna gain 3 1 d) cable losses


rrentl$ t&e calc lation done in 1:: i# t&e # m of all Reference #ignal

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1,/ & 'resentation Title & (onth 200#

rrentl$ t&e calc lation done in 1:: i# t&e # m of all Reference #ignalre#o rce element# )o7er tran#mitted in a #ame 4%D6 time )eriod o"er allt&e 0and7idt&* T&i# a))roac& i# not in line 7it& ;<PP a# ;<PP #)ecif$ t&elinear a"erage of reference #ignal re#o rce element#*

To com)en#ate t&i# error t&e follo7ing 7or/ aro nd m #t 0e follo7ed and0a#ed on t&e #ame anal$#i# done for RS RSSI calc lation

LA0> -or RR? +0. 'A po;er energ per RE -or RS is 1,>9 d)m>

– &or 5:Hz bandwidth set in )ell table :a6 power column4e8ode9B %3 power 91;dB

– &or 1":Hz bandwidth set in )ell table :a6 power column4e8ode9B %3 power 922dB



LA1>0 -or RR? +0. 'A po;er energ per RE -or RS is 1/>2 d)m>

8/13/2019 93389298 Lte Phy Alcatel



– &or 5:Hz bandwidth set in )ell table :a6 power column4e8ode9B %3 power 91!dB


– &or 2":Hz bandwidth set in )ell table :a6 power column4e8ode9B %3 power 92<dB

LA1>0 -or TRD: ,0. 'A po;er energ per RE -or RS is 1#>2 d)m>

– &or 5:Hz bandwidth set in )ell table :a6 power column4e8ode9B %3 power 91=dB

– &or 1":Hz bandwidth set in )ell table :a6 power column4e8ode9B %3 power 92"dB

– &or 2":Hz bandwidth set in )ell table :a6 power column4e8ode9B %3 power 92>dB


The method proposed is to=

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1,# & 'resentation Title & (onth 200#

p p

Set indoor penetration losses in 9155 cl"tter table

:se the :L Lin< )"dget Available 'ath loss ;ith 0d) penetration losses set in the L) -or thedimensioning service selected$

Design RSR' G RS per RE E8R'I A7TBMA87 H Available :plin< 'athloss H indoor losses

;here=

– R( per R 7R% Reference si+nal 7R% per resource element , it is automaticall/ calculated

b/ ;155 when the work around specified abo*e is followed– 38 ?@378 8ode9B antenna +ain

– 3*ailable Aplink %athloss4 A a*ailable pathloss calculated with the link bud+et whenpenetration loss is set to "dB

The RSR' target val"es speci-ied in slide $ have been de-ined ;ith this approach>

8- the "ser appl this approach$ the -ollo;ing recommendation m"st be respected

Select Jindoor lo##K icon in 1:: co"erage #t d$ Do not #elect J#&ado7ing ta/en intoacco nt J icon a# it i# alread$ done in RSRP target calc lated 0elo7

RF optimi ation criteria

*verlapping optimi ation

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1,9 & 'resentation Title & (onth 200#1,9 & 'resentation Title & (onth 200#

pp g p

The -ollo;ing r"les are not technolog speci-ics$ and their e--icienc have alread been

meas"red on MS($ .! D(A net;or<s>'oll"tion and inter-erence anal sis

– Within <dB of the best ser*er7 number of ser*ers should <7 C area with < ser*ers should be D 2C#7 C of area with 2 ser*ers should be D >"C#

– Within 1"dB of the best ser*er7 number of ser*ers should =7 C of area with = ser*ers should be D 2C#

– Hi+h si+nal le*el o*erlap anal/sis47 7ncrease the desi+n threshold for the co*ered area b/ 1"dB7 C of > ser*ers in the desi+n area should not e6ceed 1"C##7 6ample4 if the R( desi+n threshold is 9!5dBm, a number of ser*er0s

anal/sis is done with a threshold e ual to 9=5dBm#

RF optimi ation criteria

S87R target

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%150 & 'resentation Title & (onth 200#150 & 'resentation Title & (onth 200#

g

This target can be "sed ;ith 9155 R7' tool$ b"t it is not 100N s"re that it can be

meas"red on the -ield ;ith high acc"rac as it is not +M'' meas"rement criteria>8n 9155 S87R can be calc"lated based on re-erence signal$ or 'DS ?$ and -or loadedcases it provides the same res"lts as po;er per RE RSG po;er per RE 'DS ?

The S87R target val"e depends on the tra--ic load=

– ;5C of the desi+n area should ha*e (78R E 95dB, with 1""C ' load

– ;5C of the desi+n area should ha*e a (78R E92dB with 5"C ' loadS87R does not depends on n"mber o- transmits

8/13/2019 93389298 Lte Phy Alcatel


8/13/2019 93389298 Lte Phy Alcatel


8/13/2019 93389298 Lte Phy Alcatel


8/13/2019 93389298 Lte Phy Alcatel


8/13/2019 93389298 Lte Phy Alcatel



;;;>alcatel!l"cent>com;;;>alcatel!l"cent>com

8/13/2019 93389298 Lte Phy Alcatel



?ard ?andover

?ard ?andover

8/13/2019 93389298 Lte Phy Alcatel



?ard ?andover'reparation 'hase

8/13/2019 93389298 Lte Phy Alcatel



?ard ?andoverE ec"tion 'hase

8/13/2019 93389298 Lte Phy Alcatel



?ard ?andoverompletion phase

8/13/2019 93389298 Lte Phy Alcatel


All Rights Reserved Alcatel!L"cent 200#$ %%%%%1/0 & 'resentation Title & (onth 200#

?ard ?andoverE ec"tion time

8/13/2019 93389298 Lte Phy Alcatel


Documents

93389298 Lte Phy Alcatel