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0-9 10 Base-T Basic Ethernet at 10 Mbit/sec 100 Base-T Ethernet running at 100 Mbit/sec 1000 Base-T Ethernet running at 1,000 Mbit/sec 128QAM QAM with 7 bits per symbol. 16QAM QAM with 4 bits per symbol. 1G First Generation. Refers to analog cellular systems 1x A cdma2000 notation that indicates that one carrier is being used. Compare with 3x 1xEVDO See EvDO 1xEVDV See EVDV 1XRTT cdma2000 operating mode at basic chip rate (1.2288 Mcps). The theoretical top speed is 153 kbps 2G Second Generation. Refers to digital cellular and PCS wireless systems oriented to voice and low speed data services 2R Receive, Reshape (an optical signal). See 3R 32QAM QAM with 5 bits per symbol. 3G Third Generation. Refers to the next generation of wireless systems - digital with high speed data. Being standardized by 3GPP and 3GPP2 3GiA 3G Internet Appliance 3GPP 3rd Generation Partnership Project for W-CDMA (GSM) 3GPP2 3rd Generation Partnership Project for cdma2000 3GSP 3G Service Provider 3R Reshaping, Retiming, Reamplifying (an optical signal). See 2R 3WC Three Way Call 3x A cdma2000 notation that indicates that three carriers are being used. Compare with 1x. Not widely implemented. Although this allows higher maximum speeds, the average speed per user will not change significantly 3XRTT cdma2000 operating mode at 3 times the basic chip rate of 1.2288 Mcps 64QAM QAM with 6 bits per symbol.

Glossery of Telecom Terms

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0-9 10 Base-T Basic Ethernet at 10 Mbit/sec100 Base-T Ethernet running at 100 Mbit/sec1000 Base-T Ethernet running at 1,000 Mbit/sec128QAM QAM with 7 bits per symbol.16QAM QAM with 4 bits per symbol.1G irst !eneration. "e#ers to analog cellular systems1xA c$ma%000 notation that in$icates that one carrier is being use$. &ompare with '(1xEVDO )ee E*+,1xEVDV )ee E-+-1XRTTc$ma%000 operating mo$e at basic chip rate .1.%%// Mcps0. 1he theoretical top spee$ is 12' 3bps2G)econ$ !eneration. "e#ers to $igital cellular an$ 4&) wireless systems oriente$ to *oice an$ low spee$ $ata ser*ices2R "ecei*e, "eshape .an optical signal0. )ee '"32QAM QAM with 2 bits per symbol.3G1hir$ !eneration. "e#ers to the ne(t generation o# wireless systems 5 $igital with high spee$ $ata. Being stan$ar$i6e$ by '!44 an$ '!44%3GiA '! 7nternet Appliance3GPP 'r$ !eneration 4artnership 4ro8ect #or 95&+MA .!)M03GPP2 'r$ !eneration 4artnership 4ro8ect #or c$ma%0003GSP '! )er*ice 4ro*i$er3R "eshaping, "etiming, "eampli#ying .an optical signal0. )ee %"3WC 1hree 9ay &all3xA c$ma%000 notation that in$icates that three carriers are being use$. &ompare with 1(. :ot wi$ely implemente$. Although this allows higher ma(imum spee$s, the a*erage spee$ per user will not change signi#icantly3XRTT c$ma%000 operating mo$e at ' times the basic chip rate o# 1.%%// Mcps64QAM QAM with ; bits per symbol.80211An 7EEE committee that stan$ar$i6es a wireless Ethernet replacement technology in the 7)M ban$. /0%.11b is most commonly implemente$ an$ runs at appro(imately 10 Mbps in the %.4!uirements more stringent. )ee A+"&80211!7EEE 9ireless =A: system pro*i$ing throughput o# about 11 Mbps but see A+"&80211" An 7EEE stan$ar$ #or networ3 interoperability between 9=A: protocols80211#An 7EEE stan$ar$ #or operation o# their 9=A: protocols outsi$e the normal#re>uency ban$s .e.g. $ue to the una*ailability o# those ban$s in some countries080211eAn 7EEE stan$ar$ #or Qo) in their 9=A: protocols /0%.11a, /0%.11b, /0%.11g an$ /0%.11n80211$ An 7EEE stan$ar$ #or interconnection between wireless A4s80211%A secon$ generation *ersion o# 9ii pro*i$ing 24 Mbps raw throughput .typically a user $ata rate o# about hal# that0 in the same %.4 !uency ban$ as /0%.11b. 1his ga*e it an a$*antage o*er /0%.11a which ha$ similar per#ormance but operate$ in a $i##erent #re>uency ban$.80211&An 7EEE stan$ar$ #or spectrum an$ transmit power management #or their 9=A: protocols80211i Enhance$ security #or 7EEE 9=A: protocols80211'An a$aptation o# /0%.11 9=A: protocols to the ?apanese 4.@A2 !uency ban$80211( A propose$ 7EEE stan$ar$ #or ""M80211) A group #or e$itorial maintenance o# 7EEE /0%.11 9=A: stan$ar$s80211*A #uture 7EEE 9=A: protocol that promises raw $ata rates o# 240 Mbps in either the %.4 !ually able to han$le them .e.g. #or customer ser*ice0ACE7P415 A$apti*e &E=4ACE7P425 Algebraic &E=4AC9 Authentication &ontrol unctionACGAutomatic &o$e !apping. A metho$ o# she$$ing loa$ in telecommunications systemsAC: Access &hannelAC3 Ac3nowle$gement signalAC7RA$8acent &hannel =ea3age "atio. 1he ratio o# the on5channel transmit power to the power measure$ in one o# the a$8acent channels. An important 95&+MA parameter.ACM ))7 7)C4 A$$ress &omplete message. "esponse to 7AMACP A$8acent &hannel 4owerACREAuthori6ation D &all "outing E>uipment. Cse$ #or routing calls to cellular phones with a Ecor$lessF mo$eAD415 Abbre*iate$ +ialingAD425 Architecture +ocumentADAA$*ertising Agent. 4ro*i$es in#ormation to a M) on the ser*ices pro*i$e$ by a '! networ3ADDS Application +ata +eli*ery )er*ice. )ee )M)AD9415 Application +.A#'a"e*- C&a**e;uiring its positionAGW Access !atewayA:415 Authentication T:An ,M1 bit that turns mobile authentication on or o## #or all mobiles withina cellA>T:BS Authentication "esponse #rom the B)A.-&e*-i"a-i=* 4ro*ing the i$entity o# an in$i*i$ual or application .e.g. M)0A.-&e*-i"a-i=*E*&a*"e)e*-s7mpro*ements to networ3 base$ authentication .17A/E7A5410 $e#ine$ in 7)577/A.-&e*-i"a-i=*Ve"-=,)ee Quintet an$ 1ripletA>T:RAuthentication "esponse. 1he output o# &A-E when "A:+ is use$ as a global challengeA>T:> Authentication "esponse to Cni>ue &hallengeA>T8ABA :etwor3 Authentication 1o3en. &ompose$ o# )Q: .conceale$0, AM an$ MA&AV Authentication -ectorAVC Analog -oice &hannelAVPAttribute -alue 4air. A metho$ o# enco$ing parameters that inclu$es the length o# the $ata, the attribute .parameter0 type .usually #i(e$ length0 an$ the attribute *alue. c# 1=-AWG8 A$$iti*e 9hite !aussian :oiseAW< Alert with 7n#ormationI use$ to transmit $ata while alerting an M)AWS An && term #or 7M1)5%000B B-SMS Broa$cast )M)B6< Busy/7$le bitB8?SBipolar with / Jero )ubstitution. "eplaces an all50 octet by one containing two B4-Ba!1 Be;; see "B,&Ba"(&a.; "outing trun3s #rom a cellsite to an M)& be#ore routing to the 4)1:.!a#+.-A cute name #or waste$ ban$wi$th. Ban$wi$th K goo$put.throughput0 L ba$put L unuse$ ban$wi$thBA9Billing Automatic Message Accounting ormat. 1he &+"/AMA #ormat use$ by most C) wireline telecom carriersBAuires that telecommunications carriers pro*i$e #or sur*eillance .a3a wiretaps0 at the switch siteCAMA &entrali6e$ Automatic Message AccountingCAME7&ustomi6e$ Applications #or Mobile :etwor3s Enhance$ =ogic base$ on &A4. 7: capabilities #or !)M. &ompare with 97:Ca*#i#a-e MSC An M)& being consi$ere$ as the 1arget M)& o# a han$o##CA8uirementCCS &ommon &hannel )ignalingCCS@ 71C51 *ersion o# ))7CCSA &hina &ommunications )tan$ar$s Association. )uccessor to &91).CCSC &ellular &arrier )peci#ic &o$e .e.g. N1%'0CCS: &+MA &o$e &ombining )o#t uote$ te(t string. Cse$ in GM= an$ $eri*ati*e protocols such as 9M=CDCP &all +etail &ollection 4oint. )ee 17A/E7A51%4CDG &+MA +e*elopment !roupCDGP &all +etail !eneration 4ointCD &all orwar$ing Cncon$itional .i.e. e*ery incoming call will be #orwar$e$0CG &harging !atewayCGB ))7 7)C4 &ircuit group bloc3ingCGBA ))7 7)C4 &!B ac3nowle$gementCGuence :umberC7ASS&ustom =ocal Area )ignaling )er*ices. A pac3age o# #eatures o##ere$ by wireline carriersC;ea,i*%&=.seA central point #or the gathering an$ re$istribution o# recor$s, such as billingrecor$sC7EC&ompetiti*e =E&. A new entrant in a mar3et pre*iously limite$ to one carrier. )ome wireless carriers may >uali#y #or this $esignationC7< &alling =ine 7$entity. )ee &g4:C7uencies in the 1/00 Muency an$ &hannel Allocation. +ynamic assignment o# ra$io channels to optimi6e capacity. 4ropose$ #or !)M, but not yet implemente$.D9P +istribute$ unctional 4lane :"MD:CP+ynamic uently As3e$ Questions9as- 9a#i*% a$e $uration short relati*e to channel #rame length9B< C) e$eral Bureau o# 7n*estigation9Ceature &o$e. An asteris3 #ollowe$ by $igits in$icating the in*ocation o# a #eature .e.g. T7' may be use$ to $isable call #orwar$ing0. eature co$es shoul$ be sent to the uence :umber. 1he se>uence number o# an M14 #rame being transmitte$. &ontrast with B):9S8425 rame )e>uence :umber9TAM ile 1rans#er, Access an$ Management9T< ractional 11. A customer may lease a portion o# a #ull 119T8415 orwar$51o :umber9T8425 E& to :uest 7:-,BE message. Being replace$ by uest% 7:-,BE message. Cse$ by the )er*ing M)& to $etermine the signal strength being recei*e$ by a neighboring &an$i$ate M)&. "eplaces C415!)M 4ersonal Cnbloc3ing &o$e. A co$e pro*i$e$ by a carrier to regain access to a )7M that has become loc3e$ $ue to multiple entries o# an in*ali$47:. 7# this co$e is entere$ incorrectly 10 times, the )7M will become permanently inoperable an$ must be replace$.+>ue which uses se*eral baseban$ correlators to in$i*i$ually process se*eral signal multipath components. 1he correlator outputs are combine$ to achie*e impro*e$ communications reliability an$ per#ormanceRA8 "a$io Access :etwor3RA8AP C1"A: "A: Application 4artRA8D "an$om number use$ #or authentication purposesRA8DBS"an$om number use$ #or base station challenge authentication operation. )ee &A-ERA8DC"A:+ &on#irmation. A portion o# "A:+ use$ to try to con#irm the *alue that was use$ by an M) $uring a !lobal challengeRA8DSSD "an$om number use$ #or &A-E ))+ Cp$ate operationRA8D> 1he ran$om number use$ #or a Cni>ue &hallengeRAO "e*enue Accounting ,##iceRASC "a$io Access )ystem &ontroller. An 7: termRAT"a$io Access 1echnology. Cse$ to $istinguish between !4") an$ CM1) in'!44 networ3s.Ra-e Ce*-e,1he location o# a phone #or billing purposes. =ong $istance charges are calculate$ base$ on the $istance between two rate centers .o#ten the switch location0. "ate centers an$ competition combine to cause *ery ine##icient number assignment, because e*ery carrier operating in a rate center must be assigne$ at least 10,000 numbers. But, see 4oolingRAT< "an$om A17. &ompare with CA17RBOC"egional B,&. ,ne o# 7 local e(change companies #orme$ #rom the brea3up o# A1D1H :U:EG, Bell Atlantic, Bell)outh, )outhwestern Bell, 4aci#ic Bell, C) 9est an$ AmeritechRC9 "a$io &ontrol unction. An 7: termRD "e>uirements +ocumentRDCC: "e*erse +&&uest #or &omments. 7nternet stan$ar$ .well, not o##icially, but in practice many internet Estan$ar$sF are still 8ust "&s0R9uency 7nter#erenceR9uest #or 4roposalR9> "eser*e$ #or uture CseR )ub5rate +igital acility CnitSD: )ynchronous +igital 415)election an$ +istribution Cnit. 4art o# a base station that contains the *oiceco$ersSD>425 )er*ice +ata Cnitse%)e*-a-i=*1he process o# brea3ing a long protocol message into pieces that are no longer than the ma(imum allowe$ by lower protocol layers. ,h, an$ reassembling them laterPSe*si-i/i-11he ability to recei*e a ra$io signal *ery near to the thermal noise le*el. 1hemore sensiti*e the recei*er, the lower the re>uire$ inci$ent ra$io signal re>uire$ #or acceptable reception.Se,G !)MA )er*ices !roupSe,/i*% MSC 1he M)& currently ser*ing an M)SET)C4= Enable$ 1erminal. )upports the location proce$ures o# )C4=, interacting with the networ3 o*er the user plane bearer.Se--;e)e*- 1he process o# e(changing re*enue between telecommunications carriersS9 )uper#rameS9CE>uencing, retransmission on error, #low control, 3eep5ali*e, connection control. )ee A17) 11.;'7.SSD )hare$ )ecret +ata. A secon$ary 3ey use$ in most &A-E operationsSSD-A 4ortion o# ))+ use$ #or AuthenticationSSD-B 4ortion o# ))+ use$ #or *oice, $ata an$ signaling encryptionSS9 )er*ice )witching unction. An 7: term #or a switchSSui*alent o# "AC #or =1E.TBCD 1elephony B&+. +igit 0 is enco$e$ as 10, as on a rotary $ial phoneTCAP1ransaction &apabilities Application 4art. Message pac3aging stan$ar$ use$by 17A/E7A541, =:4, /00 an$ other ))75base$ applications. +e#ine$ in A:)7 11.114TCB1elecommunication &erti#ication Bo$y. A national authority #or the certi#ication o# ra$io $e*ices.TCC 1elephony &ountry &o$eTCG 1ruste$ &omputing !roupTC: 1ra##ic &hannel. ,#ten classi#ie$ as #ull rate."0 or hal# rate .ue use$ by +5AM4) an$ !)MTDOA 1ime +i##erence o# Arri*al. )ee 1,A an$ ,1+,ATDP 1rigger +etection 4oint. )ee 7:TDS-CDMA 1ime +i*ision )ynchroni6ation &+MA. &hinese '! ra$io access proposalTDSO &+MA 1est +ata )er*ice ,ptionTE +ata 1erminal E>uipment. A personal computer, #or e(ampleTEG 9A4 1elematics E(pert !roupTe;ese,/i"eA telecommunications ser*ice pro*i$e$ between two telecommunications terminals .e.g. a call between two phones or a short message between two wireless $e*ices0. &ontrast with Bearer capabilityTe,a 4re#i( to in$icate one trillion .e.g. 1era5bit0. Abbre*iate$ 1Te,)i*a-i=*1he process o# reaching the $estination o# a call. :ot to be con#use$ with +isconnection-ES8 A uni>ue E): #or a phone. )ee pE):, C7M7+, pC7M7+TETRA1errestrial 1run3e$ "a$io. A European 4AM" system using %2 3uency noise associate$ with thermal acti*ity. At a typical temperature o# '00 $egrees Bel*in .%;./4 $egrees &elsius0, thermal noise is5174 $Bm per hert6, or 114 $Bm in a 1 MD: Cni*ersal +ata DPCser +atagram 4rotocol. An internet protocol pro*i$ing basic ser*ices only.&ompare with 1&4>DR"A+7C) Csage +ata "ecor$. &aptures accounting $ata #or pac3et $ata sessions.>DT ))7 M14 unit $ata message. &arries a payloa$ o# about %20 octet>DTS C+1 ser*ice message. Cse$ to sen$ error responses to C+1 messages>E Cser E>uipment .e.g. phone an$ all peripherals such as C)7M0>EA CM1) Encryption Algorithm. May be null .no encryption0 or Basumi>G:DM &+MA Cni*ersal :9Cltra5uency. '005'000 M) "a$io inter#ace between M) an$ B))/B)&>M7 E1)7 Cni*ersal Mo$elling =anguage>MTSCni*ersal Mobile 1elecommunications )ystem .a '! initiati*e0. )ee www.umts5#orum.org. 7t operates in 2 MTC Cni*ersal &oor$inate$ 1ime .$onMt as30>TM Cni*ersal 1rans*erse Mercator.>TRA Cni*ersal 1errestrial "a$io Access. >TRA8 Cni*ersal 1errestrial "A:. 1he B), B1) etc. #or 95&+MA/CM1)>>-S>ue 7$enti#ier. A 1%/ bit i$enti#ier base$ on the 4/5bit MA& a$$ress or, i# one is not a*ailable, generate$ ran$omly #rom a separate numbering space. 1he i$enti#ier also contains time in#ormation using a cloc3 that $oes not roll o*er until '400 A+. +e#ine$ in 7E1 "& 41%%>WBA ra$io technology that uses short *ery high spee$ bursts o# $ata o*er short $istances. 7t is contro*ersial because some claim that it can share spectrum with other users, an$ others claim that it will cause unacceptable inter#erence.>WCCni*ersal 9ireless &onsortium. 4romotes +5AM4) technologies aroun$ the worl$>WC6136 1+MA $igital cellular/4&) base$ on the 7)51'; or 17A/E7A51'; stan$ar$s>WCCCni*ersal 9ireless &ommunications &onsortium. 4roponent o# 1+MA $igital systems base$ on C9&/1';. +isban$e$ at the en$ o# %001.V V a*# V-eri#ication an$ -ali$ation. A committee re*iew o# a stan$ar$ be#ore #ormalballotVA -ali$ation AuthorityVAAA -isite$ AAAVAD-oice Acti*ity +etection. A system that not only $etects the absence o# *oice, an$ pre*ents transmission o# unecessary $igiti6e$ *oice $uring this timeVAR -alue5a$$e$ "esellerVAS -alue A$$e$ )er*iceVASP-A) 4ro*i$er. A company that pro*i$es a ser*ice .e.g. web content0 withoutbeing the carrier.VC -irtual &ircuitVC< -& i$enti#ierVDS7-ery high spee$ +)=, pro*i$ing about 2/ Mbit/sec in both $irections. A*ailable as asymetric .see A+)=0 or symmetric .see )+)=0. )ee -+)= AllianceVDS7 A;;ia*"e 4romoters o# -+)=VGC -oice !roup &allVGCS -oice !roup &all )er*iceV:E -irtual