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PPDR with new Regulation

ETSI - CEPT/ECC workshop on “Public Protection and Disaster Relief: Regulatory changes and new opportunities for Broadband PPDR”, 29 September, ETSI, France

AIRBUS DS SLC Philippe Mège & Eric Georgeaux

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PPDR From Regulation to StandardizationPPDR From CEPT/ECC to 3GPP and ETSI

• The adoption of ECC Decision (16) 02 by CEPT/ECC has been an important achievement for Broadband PPDR

• But this was only the first step.

• PPDR with new regulation necessitates now Standardization of new 3GPP 700 MHz and 450 MHz bands for PPDR at 3GPP and then at ETSI.

15 September 2016

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Actions launched at 3GPP for Broadband PPDR frequencies (1)

At August RAN4 meeting 80, the following organizations:Ministère de l’Intérieur (French MOI), Ministère de l’Economie, de l’lndustrie et du numérique (French Ministry), Ministry of Interior of Spain, Ministry of industry, energy and tourism of Spain, Telefonica, Federal Ministry of Economic Affairs and Energy (BMWi - Germany), ICTA/Turkey, ASELSAN, Airbus DS SLC, Thales

Made a joint contribution for getting a standard on European PPDR bands that request new or modified 3GPP band classes:

698-703 MHz (uplink) / 753-758 MHz (downlink)450.5-456.0 MHz (uplink) / 460.5-466.0 MHz (downlink)452.0-457.5 MHz (uplink) / 462.0-467.5 MHz (downlink)

15 September 2016

B68 with European requirements

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Actions launched at 3GPP for Broadband PPDR frequencies (2)

Proposals made in joint contribution at RAN4#80 meeting in August:

Proposal 1: A new work item to introduce new LTE frequency bands and to include the technical conditions as approved in ECC Decision (16)02.Proposal 2: Proposed approach for minimizing RAN4 and RAN work: not to create a new LTE band allocation but Modify Band 68 3GPP specifications to include UE emissions levels for BB-PPDR in 698 703 MHz (uplink) / 753 758 MHz (downlink):• Introduce the new -42dBm/8MHz requirement into 3GPP specification using a new NS signaling value• Update the UE to UE coexistence table in 3GPP TS 36.101 to include the European band plans, for the use of Band 68 in Europe.Proposal 3: Introduction of high power UEs for the band 450.5 456.0 MHz (uplink) / 460.5 466.0 MHz (downlink) and 452.0 457.5 MHz (uplink) / 462.0 467.5 MHz (downlink)) into 3GPP specification.

15 September 2016

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700 MHZ: 698-703 / 753-758 MHzBand 68 for European PPDR at 3GPP

Agreement at RAN4#80 meeting for taking into account requirements from ECC Dec (16) 02 In the frame of Work Item TEI14 (Technical enhancements and Improvements – Release 14)

But Terminals manufacturers do not want to change their products

– With a shifted “band 28 standard” filtering, protection below 694 MHz, when used in band 698-703 MHz, is only 25 dBm / 8MHz

– Enhanced protection (-42 dBm / 8 MHz) would then mean

– A-MPR mechanism: power reduction enabled when a specific signaling is received from the network

– Consequence: strongly reduced coverage in considered areas

15 September 2016

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Band 68 – Current status in 3GPP TS36.101 (UE RF requirements)

• Frequency Band 68 definition: 698 – 728MHz (uplink) / 753 – 783 MHz (Downlink)• Protection to Digital TV: -25dBm / 8MHz

– Achieved when the network broadcasts in the System Information Block (SIB) a “NS” value that is associated with additional spectrum requirements (-25 dBm in this case)

– Allowance given to the UE to reduce its maximum output power to meet the additional spectrum requirements: A-MPR (additional Maximum Power Reduction)

15 September 2016

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Network Signalling

value

Requirements (subclause)

E-UTRA Band Channel bandwidth

(MHz)

Resources Blocks (NRB)

A-MPR (dB)

… … … … …NS_26 6.6.3.3.22 68 5, 10, 15 Table 6.2.4-21

Bandwidth (MHz) RBstart L_crb A-MPR

5 0 ≤ 1 ≤ [0~1]0 ̶ 1 ≥ 24 ≤ [0~1]

10 0 - 10 ≥ 1 ≤ 115 0 - 17 ≥ 1 ≤ 1

Frequency band(MHz)

Channel bandwidth / Spectrum emission limit

(dBm)

Measurement bandwidth

5 MHz, 10 MHz, 15 MHz686 ≤ f ≤ 694 -25 8MHz

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698-703 / 753-758 MHz: Band 68 for European PPDR at 3GPP:What does mean -42 dBm / 8 MHz in practise ?

Out of Band Emission is limited by Power Amplifier performance

Power Amplifier Models are showing performance in most degraded conditions

So a reasonable assumption is:

if -30 dBm / 8 MHz is met in extreme conditions, - 42 dBm / 8 MHz should be met in normal conditions

So the protection should be enhanced from -25 dBm / 8 MHz to -30 dBm / 8 MHz only

With Power Reduction mechanism (A-MPR): impact on coverage should then be limitedAdditional filtering would solve the problem without applying Tx Power reduction

15 September 2016

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Changes to Band 68 to include European PPDR requirements

• Definition of the requirement associated with a new NS value

• Definition of the associated A-MPR values• Uplink coverage is key for Public Safety application => A-MPR values should

be as small as possible

15 September 2016

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Frequency band(MHz)

Channel bandwidth / Spectrum emission limit

(dBm)

Measurement bandwidth

5 MHz, 10 MHz, 15 MHz470 ≤ f ≤ 694 -42 (NOTE 1) 8MHz

NOTE 1: For a 5MHz E-UTRA carrier confined within 698MHz and 703MHz, this requirement shall be met in normal conditions only. The requirement is relaxed to -30dBm. in extreme conditions.

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Preliminary indicative simulation resultsModulator and power amplifier impairments – No filter attenuation

15 September 2016

B68 with European requirements

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Preliminary indicative simulation resultsModulator and power amplifier impairments – No filter attenuation

15 September 2016

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-42 dBM/8 MHz

Huge A-MPRStrongly reduced

coverage

-30 dBm/8 MHz

Medium A-MPRMedium coverage

reduction

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Preliminary indicative simulation resultsModulator and power amplifier impairments + Average TC-SAW Filter

15 September 2016

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-30 dBm/8 MHz

low A-MPR values limited impact on

coverage

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Preliminary indicative simulation resultsModulator and power amplifier impairments + Average TC-SAW Filter

15 September 2016

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Band 68 with European requirements – Expected performance

• It is expected that with a current Band 68 filter an A-MPR value of roughly 1,5 dB could be reached for fulfilling the -30 dBm / 8 MHz limit in extreme conditions and the -42 dBm/8 MHz in normal conditions

• This would restrict coverage by approximately 15 %

• Additional filtering (e.g. FBAR filter) would solve the problem without applying Tx Power reduction

• There would be no impact on coverage

• Both technical solutions would be allowed by the future standard• “Different solutions“ means “different performance”, “different usages” and

also “different market sizes” and “different costs”

• Contributions to be made at RAN4#80bis and RAN4#81 meetings

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450 MHz band: Actions at RAN4 and RAN

It is planned to submit Work Item Descriptions (WID) to 3GPP RAN for 450 MHz band fulfilling requirements of ECC Decision (16) 02

Since there are 2 bands in 450 MHz:450.5-456.0 MHz (uplink) / 460.5-466.0 MHz (downlink)452.0-457.5 MHz (uplink) / 462.0-467.5 MHz (downlink)

It will be considered if both bands, or at least the 2nd one can be included in Band 31 Work Item tasks

In addition, it is planned to submit a WID on High Power UEs (37 dBm) in these two bandsIt’s a bit challenging but it can be noted that a similar kind of request (31 dBm) exists in

Band 14 (in LTE Release 11) and that EE has made also a similar request for ESMCP.

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Frequency Regulation for PPDR: What’s Next

• CEPT/ECC has made the choice of “LTE and its evolutions”

• LTE is evolving, PPDR will embed progressively these evolutions

• Broadband LTE is offering high speed data (including video)• NB-IoT is an opportunity in the frame of 3GPP for offering efficiently very low

data rates for new IoT services for PPDR (data from sensors in the field)• A Standardization & Regulation evolution to a Mixed BB LTE / NB-IoT approach

could lead to an attractive solution integrating PPDR services• Direct Mode is also to be taken into account

• This is evolution from 4G to 5G

• Frequency Regulation will have to follow 3GPP evolution track

15 September 2016

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