W12 FEATURES Presentation Sultan jomah Solution manager Mobile broadband Nov-2012 Commercial in confidence | 2012-11-17 | Page 2 (106) W12 mobily needs NW capacity expansion Smartphones - EveryoneEverywhere Network Modernization EUL in more devices Commercial in confidence | 2012-11-17 | Page 3 (106) Upgrade paths and compatibility–W12 W10B W11A W11B W12A Direct upgrade paths W12B Compatibility, full feature support OSS 12.2 (OSS12.0 for W12A) GSM RAN 11B MSC 13.2, M-MGw 5.1.10.1 HLR 15.0 (13.2) SGSN 2011A GGSN 2010B (2009A) LTE L12B (L12A) MPS PS 10 F Commercial in confidence | 2012-11-17 | Page 4 (106) W12 Features supported by duw Commercial in confidence | 2012-11-17 | Page 5 (106) WCDMA RAN W12A • Interference suppression • EUL TD Scheduling • 96 EUL users in Scheduler • 50% reduction of CE for R99 UL • Extended dynamic range • Power control improvements for EUL 2ms TTI Radio and performance • RUS02 support • RRUS12 support • Enh support for Multi-Carrier & EUL in large conf. • 3*3 + 3*1 support • RBS 6302 support • Dual DUW for MSMM • AIR – Antenna Integrated Radio ph1 HW support RAN management • Sleeping cell detection and recovery (OSS) • RAN power save enhancements (OSS) • HSDPA RBR QoS profiling ph 2 Services Data Interference suppression FAJ 121 1714 Optional new Commercial in confidence | 2012-11-17 | Page 7 (106) interference suppression initially for eul 2ms › Rake receiver – Maximize received power (SNR) › G-Rake receiver – Combat self interference › Interference Suppression – Maximize SIR → Suppresses any type of dominant interference › Intra-cell › Inter-cell › Inter-RAT › External sources Also known as Interference Rejection Combining (IRC) or “G-Rake+” Commercial in confidence | 2012-11-17 | Page 8 (106) interference suppression › Commercial SW demonstrated › Throughput gains in all test cases! – Gains from 21-117% (46% avg.) › Coverage, single and multi user throughput improved › Available for DUW Commercial in confidence | 2012-11-17 | Page 9 (106) Interference Suppression FOA Results Lower RoT at same Erlang › Real traffic – Only 4 EUL 2ms UEs admitted › Less RoT impact from EUL 2ms users – More traffic can be admitted with kept RoT Eul TD Scheduling FAJ 121 1503 Optional New Commercial in confidence | 2012-11-17 | Page 14 (106) EUL TD Scheduling 2ms users › Code Domain scheduling throughput drops for 2nd user due to intra-cell interference › Time Domain scheduling provides higher cell throughput in multi user scenarios › Available for DUW TimeCode Domain Scheduling Time Domain Scheduling Time W12A TD1 TD2 TD3 HARQ process Users in SHO are omitted from TD Scheduling. Users/cell C e l l t h r o u g h p u t TD CDM 8 HARQ processes scheduled to different users Commercial in confidence | 2012-11-17 | Page 15 (106) Eul td scheduling performance 1 2 3 4 3 2 1 # of EUL 2ms UEs Results from W12A verification W12A – A clear performance boost for EUL Commercial in confidence | 2012-11-17 | Page 16 (106) W12A performance example Order of magnitude increase in cell throughput 64/96 Enhanced uplink users per cell FAJ 121 1676 Optional new FAJ 121 1677 Optional New Commercial in confidence | 2012-11-17 | Page 18 (106) 64/96 Enhanced uplink users per cell EUL users per cell Feature ID (FAJ) 4 121 0450 16 121 0451 32 121 0452 64 121 1676 (new in W12) 96 121 1677 (new in W12) › Description – Up to 96 Enhanced Uplink users per cell in – Available for DUW › Benefit – EUL Scheduler capacity increase enhances the user experience and the cell throughput in situations where previously the maximum number of EUL users limited EUL usage Channel Element Capacity for HSDPA Smartphones FAJ 121 1673 Optional New Commercial in confidence | 2012-11-17 | Page 20 (106) Channel Element capacity for ul r99 RAB type UL / DL W11B UL R99 CE cost W12A UL R99 CE cost Speech + PS 16/HS 2 1 Speech + PS 64/HS 4 2 Speech + PS 64/64* 4 2 PS 64/64* 4 2 Speech + PS 128/HS 8 4 PS 128/64* 8 4 Speech + PS 384/HS 16 8 Speech + PS 384/64* 16 8 PS 384/64* 16 8 * DL R99 rates can be 64-384 Kbps › Improving the PS UL CE ladder will in general increase the HW capacity for DUW and allow more headroom for AMR and EUL › Available for DUW 50 % CE reduction for uplink R99 rates 16 – 384 Kbps HSDPA RBR QoS Profiling Phase 2 FAJ 121 1515 Optional Enhanced Commercial in confidence | 2012-11-17 | Page 22 (106) HSDPA RBR QoS Profiling phase 2 w10b enhanced feature Feature description › Divide available bandwidth between gold/silver/bronze users when Iub is congested Enhancement › Make the relative bit rate shares operator configurable with a max difference of 10 › Allow relative bit rate setting for all SPIs › Operator command to turn feature on/off Benefit › Make the feature more flexible for different market offers and use cases RBS RNC Iub TN RNC RNCIur TN Iur TN Possible TN bottlenecks 0 1000000 2000000 3000000 4000000 5000000 6000000 7000000 T i m e 0 8 : 3 8 : 0 3 . 0 8 0 0 8 : 3 8 : 3 3 . 2 8 0 0 8 : 3 8 : 4 6 . 6 2 8 0 8 : 3 8 : 5 8 . 8 8 0 0 8 : 3 9 : 1 2 . 0 8 0 0 8 : 3 9 : 2 4 . 2 8 0 0 8 : 3 9 : 3 8 . 2 8 0 0 8 : 3 9 : 5 4 . 5 8 0 0 8 : 4 0 : 0 7 . 4 8 0 0 8 : 4 0 : 2 0 . 3 8 0 0 8 : 4 0 : 3 3 . 0 8 0 0 8 : 4 0 : 4 5 . 3 8 0 0 8 : 4 0 : 5 8 . 3 8 0 0 8 : 4 1 : 1 1 . 2 8 0 0 8 : 4 1 : 2 8 . 4 8 0 0 8 : 4 1 : 4 5 . 2 8 0 0 8 : 4 1 : 5 8 . 5 8 0 0 8 : 4 2 : 1 7 . 1 2 8 0 8 : 4 2 : 3 4 . 4 2 8 0 8 : 4 2 : 4 6 . 5 8 0 0 8 : 4 3 : 0 2 . 3 8 0 0 8 : 4 3 : 2 0 . 7 2 8 0 8 : 4 3 : 3 3 . 3 2 8 0 8 : 4 3 : 4 6 . 0 8 0 0 8 : 4 3 : 5 8 . 9 8 0 HSSR3_pqidx0 HSSR3_pqidx1 HSSR3_pqidx2 HSSR4_pqidx0 Gold Silver Silver The old phase 1 HSDPA RBR QoS Profiling configuration function based on schWeight is removed. Commercial in confidence | 2012-11-17 | Page 23 (106) WCDMA RAN W12B Services Services Data Radio and performance HW Support RAN management Transport • Admission Block Re-directions • Manually Triggered Access Class Barring on cell level • Call Re-establishment • CS fallback to LTE – DMCR (Deferred Measurement Control Reading) • RIM support for System Info. transfer to LTE • SRVCC (CS) • QoS in RAN sharing • CBS- Event triggered • AECID • HSPA Uplink for FACH • Faster establishment -Direct up-switch from URA • Improved Layer 2 for uplink • Release with Redirect to LTE ph1 • 10 users for F-DPCH • Channel Offset Tuning • CE capacity for EUL Smartphones • 4-way Rx diversity • Psi-Coverage • Improved Compressed Mode • Flexible IF measurement initiation • SOHO parameters on cell level • SOHO improvements • Inactivity timers on cell level • Frequency priority at RRC release • IF load sharing enh. • IFLS capability and prio • RNC overload robustness • Enh HSPA soft congestion • SRB Admission Control • Dynamic Iu/Iur Signaling for RNC3820 • Evo controller 8200/Multi • Evo-ET for ATM support in EvoC • Iur connection capacity - RNC3820, EvoC • Incr. Cells/Connectivity - RNC3820, EvoC • Multi standard RBS, G/W Mixed Mode support for RUS02/RRUS12 • Multi Standard RBS, Mixed Mode W/L • RBS MP Load Sharing • Flexible Carrier Mapping (RBS) • RBB 421B & 321A • Supervision of CWA TMA • RNC Supervisor – SP pool • Supervision of RNC traffic (OSS) • Re-parenting enhancements (OSS) • Delayed activation of Capacity Control RNC •Shorter reporting periods and GPEH capacity • Upgrade robustness • Alarm filtering • Improved KPI diagnostics • Post Mortem Dump Improvements • Increased O&M performance • AQM based cong. control for HSDPA • ATM termination in EvoC • Egress IP Traffic Shaping • RPS enhancements Enhanced Uplink for Fach FAJ 121 1652 Optional New Commercial in confidence | 2012-11-17 | Page 25 (106) Enhanced uplink for FACH EUL 10 ms Featuring › FACH channel transmitted over HSPA (3GPP Rel-8 Enhanced Uplink in CELL_FACH) › Available for DUW › UE dependent Benefits › Faster user experience (latency & speed) › Higher capacity for chatty applications › Reduce channel switching to HS (Cell-DCH) › Reduced signaling › Reduced resource utilization IDLE HSPA EUL FACH URA EUL-FACH does not support soft/softer handover procedures. As CELL_FACH is not supported over Iur, EUL-FACH does not support it either. Commercial in confidence | 2012-11-17 | Page 26 (106) Uplink burst size distribution Measurements from a commercial nW › 40% of IOS or 50% of Android packets are below 256 bytes up- switch threshold in uplink Android is more chattier 60% of all bursts could be captured with EUL FACH Capture chatty Smartphone traffic already in FACH state Improved layer 2 UL FAJ 121 1516 Optional New Commercial in confidence | 2012-11-17 | Page 28 (106) Improved Layer 2 › Improved layer 2 introduces two 3GPP rel 8 advances: – Flexible RLC Acknowledged Mode – MAC-i/is › Prerequisite for features such as – EUL multi carrier – EUL FACH › Available for DUW 320bits minUlRlc PduSize maxUlRlc PduSizeX bits Improved Layer 2 introduces configurable PDU size RLC overhead will be reduced if larger RLC PDU’s are used by UE. Faster Establishment, Direct Upswitch from URA FAJ 121 1496 Optional New Commercial in confidence | 2012-11-17 | Page 30 (106) Direct Up-swiTch from URA Improved Latency IDLE HSPA FACH URA R e l 8 F D D i r e c t u p - s w i t c h Description › Switch directly from URA to HSPA when upswitch threshold met › Triggered by – UL: Traffic volume indicator (TVI) set by the UE in Cell Update message – DL: Downlink threshold for upswitch to HSPA met › Smartphone will be kept under RAN control with Rel 8 FD: URA – FACH - HSPA Benefits › Latency: URA to HSPA ≤ 0.5 seconds (UE initiated together with HS-FACH) › Signaling: 3 instead of 6 messages over the radio interface › Reduces MP load UE dependent Commercial in confidence | 2012-11-17 | Page 31 (106) improved user experience › Download time of ETSI Copernicus web page (300kB) with a high end smartphone › Today access time dominates › Access time heavily reduced with URA, HS-FACH and direct upswitch 3x faster user experience 0 1 2 3 4 1 2 3 ~60% reduction URA_PCH + HS FACH + Direct Upswitch Today with FD ~40% reduction URA_PCH + HS FACH ~2 ~1 ~3 Call Re-Establishment FAJ 121 1374 Optional New Commercial in confidence | 2012-11-17 | Page 33 (106) smartphones call drop market feedback 0 1 2 3 4 5 6 7 1 2 3 Operator measurement for 3 popular smart phones # voice calls w/o data # voice calls with data › Higher call drop rates seen on some markets › Increased due to – More usage of speech + data (mRAB) › More signaling that can fail, particular in bad radio condition › Speech has a longer history and optimizations than mRAB – Some smartphones has worse performance › Call drops are seen highly correlated with degraded radio conditions Commercial in confidence | 2012-11-17 | Page 34 (106) call re-establishment improves call drop rate UE detects loss of communication N313 ~ 1 s UE monitors if communication recover T313 ~ 3 s Cell search, read system info, cell update (re-establishment request), cell update confirm ~ 4 s Overview › UE detects loss of communication › At expiry of T313 – Cell selection, Send Cell Update › Network re-establish the call with the Cell Update Confirm N313 parameter that sets the number of frames for the UE to be out of synch T313 parameter that sets the waiting time for the UE to determine "RL failure" N314 parameter that sets the maximum time a UE can attempt to request Call Re- establishment of CS RAB after RL failure detection. Commercial in confidence | 2012-11-17 | Page 35 (106) 0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 2012-07-30 2012-07-31 2012-08-01 2012-08-02 2012-08-03 2012-08-04 2012-08-05 2012-08-06 2012-08-07 2012-08-08 2012-08-09 2012-08-10 2012-08-11 2012-08-12 Call Re-establishment Results from FOA Call Re-establishment OFF Call Re-establishment ON CRE activation period 32% Improvement observed in Speech Drop Rate Speech Drop Rate [%] FOA RNC DropDrop Without Call Re-establishment UE on DCH UE detects RL Failure or RLC Unrecoverable Error Call Re- established Call Re- established With Call Re-establishment UE on DCH UE detects RL Failure or RLC Unrecoverable Error Improved Compressed Mode Handling FAJ 121 1373 Optional New Commercial in confidence | 2012-11-17 | Page 37 (106) Improved Compressed Mode handling Description › Inter frequency and GSM measurements performed at the same time › Improved performance on inter frequency and GSM measurements Benefits › Improved Compressed mode patter: – Enables improved retainability – Up to 45% higher user throughput for PS R99 in compressed mode – 2* Measurement performance for IF measurements F2 F1 GSM Higher performance and easier tuning in difficult areas Flexible Intra Frequency Measurement Initiation FAJ 121 1636 Optional New Commercial in confidence | 2012-11-17 | Page 39 (106) Flexible Intra Frequency Measurement Initiation Description › Enables more flexible handling of event 1a and event 1c › Makes it possible to switch off event 1c reporting Benefits › Reduces the signaling between the UE and the RNC, i.e. reduces load on RNC and air interface › Improved call retainability in difficult radio environments Improved call drop rate Commercial in confidence | 2012-11-17 | Page 40 (106) Soft HO, event 1c non-active primary CPICH becomes better than an active primary CPICH When P-CPICH 4 has been [hysteresis/2] dB better than P_CPICH 3 during at least [TimeToTrigger1c] mS, then P- CPICH 4 replaces P_CPICH 3 in active set. Event 1c trigger comparison with worst cell in active set Event 1a trigger comparison with best cell in active set SOHO parameters on cell level FAJ 121 2135 Optional New Commercial in confidence | 2012-11-17 | Page 42 (106) SOHO parameters per cell › Soft Handover parameters on Cell level – Event 1a › Time to trigger › Reporting range – Event 1b › Time to trigger › Reporting range › Licensed on RNC level › Benefits – Possibility to adapt SoHo parameters to specific scenarios in certain cells e.g. › High speed railway › Motorways Improved call drop rate Inactivity timers on cell level FAJ 121 2134 Optional New Commercial in confidence | 2012-11-17 | Page 44 (106) Inactivity timers configurable on cell level Description › Parameters that can be defined on cell level with feature inactivity timers on cell level activated – downswitchTimer DCH -> FACH – hsdschInactivityTimer HS -> FACH – inactivityTimer FACH -> URA/Idle – inactivityTimerPch URA -> Idle – inactivityTimeMultiPsInteractive multiRAB -> Idle – hsdschInactivityTimerCpc DCH -> FACH – inactivityTimerEnhUeDrx FACH -> URA/Idle Benefit › Possibility to optimize timers for different scenarios › Improved end user experience Frequency priority at RRC connection Release FAJ 121 2368 Optional New Commercial in confidence | 2012-11-17 | Page 46 (106) Frequency info in RRC Connection Release Message Description › Include IE ”Redirection info” in RRC Connection Release containing the frequency specified by the cell parameter when going to idle Benefit › Utilize one frequency band for capacity and not for coverage › Enables move of all devices to the other frequency as soon as possible UE dependent (Rel 6) › Before including the “Redirection Info” information element in the RRC Connection release message, the feature will do a check that the device supports the target frequency and that the device supports 3GPP rel. 6 or later release. HSDPA and Non-HSDPA Interfrequency load sharing improvements FAJ 121 1467 Optional Enhanced FAJ 121 1468 Optional Enhanced Commercial in confidence | 2012-11-17 | Page 48 (106) HSDPA and NON HSPA Improvements Description › Updated Congested situations handling – Re-attempting load sharing decisions for lower capabilities in congested scenarios – EUL congested cells not considered in load sharing decision › Improved Performance – Pathloss threshold configurable per cell relation – Number of load sharing candidates are increased to 8 Benefits › Less blocking and support for different cell sizes F4(Eul/HS) F3(Eul/HS) F2(Eul/HS) F1(Eul/HS) F5-F8 HSDPA IFLS Capability and Priority Handling FAJ 121 1880 Optional New Commercial in confidence | 2012-11-17 | Page 50 (106) HSDPA IFLS Capability and Priority Handling Description › Capability and Priority Handling – possible to also steer 64 QAM and CPC terminals to a specific carrier(s) – priority order for capability steering operator configurable – Possible to switch off load sharing for Voice + PS RABs (MultiRAB) – operator configurable if first HS users shall be steered to another carrier or not – High load threshold introduced to even out load when many devices with a certain capability are present in the sector Benefits › More capability steering possibilities › Operator configurable priority › Less blocking Configurable priority settings for capability steering Default priority Capability 1 HSDPA-MC 2 DB-HSDPA-MC 4 MIMO 6 EUL 3 CPC 5 64QAM Admission Block Redirections FAJ 121 1593 Optional New Commercial in confidence | 2012-11-17 | Page 52 (106) Admission Block redirections Description › Triggered when SRB or Speech RAB is blocked › Move user to another WCDMA frequency or to GSM – For SRB a redirect mechanism is used – For Speech RAB a blind HO is used Benefit › Improves call success probability at high load IFLS - DCHIFLS - HS D/R to GSM Call is established in WCDMA Idle mode Cell reselection and HCS RAB Admission RRC-setup from Idle IFLS SRB Admission SRB established Adapt AMR MM rate WCDMA SRB Admission Block GSM Speech RAB Admission Block GSM Blind HO of SRB • for all Admission causes RRC re-direct • for all Admission causes WCDMAWCDMA Manual-triggered Cyclic Access Class Barring on Cell Level FAJ 121 1616 Optional New Commercial in confidence | 2012-11-17 | Page 54 (106) ManualLy triggered Cyclic Access Class Barring on Cell Level Description › Supports barring of access class 0-9 on cell level – Access class barred UE not allowed to send RRC Connection Request to RNC – RBS broadcasts the currently barred access classes in BCH › Ue´s Rel-6 and later supports access class barring per CS or PS domain › Rotation time and group size configurable Benefit › Prevents signaling overload during extreme load situations › Simple and fast access barring on cell level › Cyclic operation ensures that all access classes can access the network t T sec T sec T sec T sec Access Class: 9 8 7 6 5 4 3 2 1 0 Barred access class RNC RRC Connection Request attempts from unbarred UEs SRB Admission Control FAJ 121 1785 Optional New Commercial in confidence | 2012-11-17 | Page 56 (106) SRB admission Description › Allows a configurable number of SRBs above admission level Benefits › Core network can be informed about high priority access above admission level › Improves accessibility for high priority users and services such as Emergency calls Admission level Max resource level Configurable number of SRBs allowed AQM based Congestion Control for HSDPA FAJ 121 1664 Optional New Commercial in confidence | 2012-11-17 | Page 58 (106) AQM based Congestion Control for HSDPA Description › Congestion control mechanism using TCP controlled packet discard to handle congestion on Iub or radio Benefits › Quicker ramp up time – Required to achieve higher end user peak rates for “smart phone” traffic, i.e. ~1 MB files (20-90% improvement) › More efficient resource usage – More stable buffer level give better radio resource utilization (No “empty buffer” problem) › Enabler for common transport for multi technology, (2G, 3G, LTE) where all interactive and background traffic can be put in the same queue Only for IP transport RBS RNC Iub TN RNC RNCIur TN Iur TN Possible TN bottlenecks X …. RLC TCP Possible overflow Subscriber buffers in RBS Application server CBS - Event triggered FAJ 121 1555 Optional New Commercial in confidence | 2012-11-17 | Page 60 (106) CBS Event triggered broadcast Description › Cell Broadcast Service (CBS) enables broadcast of information, – E.g. traffic news or warnings, to devices in a pre-defined area. › Broadcasting provides an efficient way to reach a large population of devices with a message Benefit › Event triggered broadcast provides a way to reduce impact of CBS on the device battery lifetime to virtually zero › Allows to reduce time to deliver an emergency messages to below 8 sec allowing one repeated transmission Commercial in confidence | 2012-11-17 | Page 61 (106) CBS Event triggered broadcast Sending a message › By reading system information the UE finds out how and when to decode the CBS messages › With event triggered broadcast the following happens when a message is sent – The system information broadcast (SIB) is updated signaling that the CTCH is active – The devices are notified that the SIB is updated – The message is repeated on the CTCH a configurable number of times – When the message is sent, the CTCH is turned off and the SIB returns to its original state t CE Capacity for EUL Smartphones FAJ 121 1883 Optional New Commercial in confidence | 2012-11-17 | Page 63 (106) Channel Element capacity for EUL Smartphones 0kbps 20kbps 160kbps 320kbps 640kbpsBitrates for EUL 2ms Without FAJ 121 1883: 8CE With FAJ 121 1883: 2CE 8CE 75% reduction in minimum CE cost for EUL 2ms devices Commercial in confidence | 2012-11-17 | Page 64 (106) Reduction of used CE for EUL 2ms A typical smartphone CELL DCH session E-DCH DPCCH E-DPCCH Without FAJ 121 1883: ≥8 CE all trough the session With FAJ 121 1883: ≥8 CE in the beginning of the session 2 CE during times of low activity Measurements indicate low activity during >80% of a typical EUL session, i.e. ~5 CE reduction in average 8 8 2 Dynamic Iu/Iur signalling FAJ 121 1670 Optional New Commercial in confidence | 2012-11-17 | Page 66 (106) › Iu/Iur signalling distributed on mMPs – Up to 33 mMPs with GPB65 – Up to 32 mMPs with GPB75 › Increased robustness – Single board (mMP) restart only affects the SCCP connections handled by that board – No impact on the rest of the active SCCP connections › Reduced inter-board signalling – Processing is handled locally on each mMP RNC 3820 variant 70RNC 3820 variant 30 RNC 3820 variant 160 Dynamic Iu/Iur signalling RANAP and RNSAP scales with number of mMPs (GPBs) Pooling of processing resources for RANAP and RNSAP for both RNC 3820 and Evo Controller 8200 Dynamic Iu/Iur signalling Pooling of RANAP and RNSAP on all mmPs RBS MP Load Sharing FAJ 121 2119 Optional New Commercial in confidence | 2012-11-17 | Page 68 (106) RBS MP load sharing Description › Enable control plane execution in the main processor on the secondary DUW – NBAP and Dedicated Radio Link › Possible on configurations with dual DUW Benefit › ~40% increased control plane capacity in dual DUW configurations › Capacity for large sites and challenging traffic mixes NBAP DRL NBAP DRL 4-way Receiver Diversity FAJ 121 1351 Optional New Commercial in confidence | 2012-11-17 | Page 70 (106) 4-way Receiver Diversity Description › 4 receive branches used instead of 2 › 2-Rx module add on for dual TX RRUS, or 2 (Remote) Radio Units per sector › AIR-21 with in-built support for 4-way RX div › 4 port antennas available (XX) › DUW based RBS Benefits › Higher uplink speed, cell edge / average › Deeper indoor coverage › Higher capacity › Site reduction potential Service RA3 TU3 PedA Voice 2.5 2 3.5 DCH 384 2.5 2.5 3.5 Estimated gain potential in dB (including margins) in the order of 3dB Commercial in confidence | 2012-11-17 | Page 71 (106) 4-way receiver diversity › With this feature the number of receiver antennas serving a sector can be increased to 4 › The drawings show two hardware configurations with 4 antennas – The first one has radio units in the cabinet – The second one employs remote radio units outside the cabinet (supported from W13A) RRUS 12 Cabinet F e e d e r s C P R I RRUS A2 Cabinet Commercial in confidence | 2012-11-17 | Page 72 (106) Performance of 4-way diversity › The number of receiver antennas is of fundamental importance for the capacity of a CDMA radio system – Theoretically the capacity scales with the number of antennas – This is since lower receiver power is needed to achieve a certain signal to interference ratio › With Interference Suppression (FAJ 121 1714) gains may be even larger › Since lower received power is needed, the coverage is also enhanced 0 20 40 60 80 100 120 140 Low RoT, no tilt High RoT, no tilt Low RoT, with tilt High RoT, with tilt UL Capacity Gain [%] ~120% capacity gain ~3db coverage gain -coverage FAJ 121 1679 Optional New Commercial in confidence | 2012-11-17 | Page 74 (106) -coverage innovative solution for Mobile Broadband Everywhere 3 standard antennas 1 standard R/RUS 1 standard DUW Prepared for simple expansion 3x2Add 2 R/RUS TMF & splitter/combiner enabling one radio to provide the uplink coverage of 3 radios New -Coverage SW enabling uplink capacity of a 3x1 The output power is shared among the three antennas. An 80W radio provides 26W per antenna, similar to traditional 3x1 20W and 3x1 30W configurations 20 MHz receiver 5 MHz Antenna 1 5 MHz Antenna 2 5 MHz Antenna 3 ~45 % energy saving Multi-standard RBS, Mixed mode FAJ 121 1553 Basic Enhanced Commercial in confidence | 2012-11-17 | Page 76 (106) Mixed Mode in Multistandard RBS › Benefits – Increased utilization of multistandard Radio Units (RUS) › Less HW – Reduced number of antennas – Efficient traffic migration WCDMA+LTEWCDMA LTE Mixed Mode in Multistandard RBS Multistandard, single mode MSR mixed mode RUS RUS RUS Commercial in confidence | 2012-11-17 | Page 77 (106) WCDMA / LTE Inter-working › Release With Re- Direct to LTE › RIM support for System Information transfer to LTE › Faster CS fallback from LTE - DMCR › SRVCC (CS) LTE RNC/ EvoC LTE IRAT mobility WCDMA LTE WCDMA IRAT mobility LTE WCDMA IRAT mobility LTE IRAT mobility LTE IRAT mobility Release With Redirect to LTE FAJ 121 2174 Optional New Commercial in confidence | 2012-11-17 | Page 79 (106) Release with Redirect to LTE Fast return to LTE Description › Moves LTE Capable devices back to LTE at inactivity periods, i.e – When the RRC connection is torn down – When device has sent ’RRC Signalling Connection Release Indication’, with our without cause value – After a period of inactivity in FACH – After a period of inactivity in DCH Benefits › This feature makes it possible to move active LTE capable devices to LTE when in coverage. Complements LTE Cell Re-selection WCDMA LTE DCH FACH Idle URA RIM Support for System Information transfer to LTE FAJ 121 2179 Optional New Commercial in confidence | 2012-11-17 | Page 81 (106) RIM Support for System Information transfer to LTE Description › With RIM then the LTE RBS subscribes to system information from all WCDMA cells, i.e. system broadcast info is sent from the WCDMA RNC to all LTE RBSs that subscribes to this info › The LTE network includes the WCDMA system broadcast info in the release massage to the UE Benefit › The UE needs only to read a small part of the system broadcast before doing access to WCDMA › Decreases the extra call set up delay up to 0.5 to 0.7s compared to W11 CS Fallback from LTE - DMCR FAJ 121 1610 Optional Enhanced Commercial in confidence | 2012-11-17 | Page 83 (106) CS Fallback from LTE Description › Makes it possible for handsets that is camping in LTE to make and receive Voice calls › New information is broadcasted in system info that makes it possible for the UE to access the system faster › Using Deferred Measurement Control Reading Benefits › Reduces the call set up time with 1 second for CS Fallback from LTE LTE WCDMA CSFB of speech GPEH Capacity Increase - Reduced ROP periodicity FAJ 121 1675 Optional New Commercial in confidence | 2012-11-17 | Page 85 (106) GPEH Capacity Increase - Reduced ROP periodicity Description › The new GPEH Capacity Increase feature is based on and fully compatible with the existing GPEH feature, but provides support for far higher level of event intensity and recording capability as well as reduced ROP periodicity to 1 minute ROP periods, instead of 15 minutes ROP periods Benefits › More efficient and much faster network analysis, satisfying the need to both existing, as well as creating a solid ground for future advanced event based applications, like: – Boosted GPEH capacity satisfies future data demand – Frequent data provisioning with smaller files every minute – Flexible counter resolution possible for EBS based counters System Improvements in W12 Release FAJ 121 1651 Basic New/enhanced Commercial in confidence | 2012-11-17 | Page 87 (106) Combine Add/Remove cells in one ASU procedure › Reducing air interface signaling by combining two measurement reports into one active set update. – Combining event 1a and event 1b into one replace action. › Benefit – Reducing probability to delay handover execution and thereby risk of dropping the call Add Remove Improved call drop rate Commercial in confidence | 2012-11-17 | Page 88 (106) Best Useful candidate event 1a and Event 1c Reports evaluation Description › If the best cell is unknown in an e1a or e1c measurement report and the report contains multiple cells fulfilling the event criteria › The unknown cell is discarded and evaluation of the remaining cells fulfilling the event criteria continue until a cell that is known is found Benefit › Reduced risk of dropping the call in networks with missing neighbor cell relations Event 1A MR 1. Cell A (unknown) 2. Cell B 3. Cell C Commercial in confidence | 2012-11-17 | Page 89 (106) Soft congestion enhancements Description › Incoming high priority request will also target – A-DCH, i.e. down switch of a lower priority HSDPA user to FACH (Also in W11B CP1) – EUL min resource, i.e. down switch a lower priority EUL user to FACH (Also in W11B) › Both these are operator controllable (on/off) Benefits › Improved accessibility for higher priority services Commercial in confidence | 2012-11-17 | Page 90 (106) Network Handling › RNC Supervision – Alarm when the percentage of disabled or locked devices in an SP- pool exceeds a threshold › Delayed activation of Capacity Control RNC – Grace period when traffic exceeds licensed capacity › Upgrade robustness – More pre-checks before a SW upgrade, reducing the risk of upgrade failures, and giving information on needed actions to ensure a successful upgrade – Possibility to run “Verify Upgrade” earlier, giving earlier information on needed actions › Alarm filtering – Improved fault management quality - Avoid massive alarm flow towards OSS during RBS upgrade Commercial in confidence | 2012-11-17 | Page 91 (106) L1 and l3 Admin › This system improvement gives the possibility to control the following parameters – n313, i.e. the 3GPP parameter that sets the number of frames for the UE to be out of synch – n315, i.e. the 3GPP parameter that sets the number of frames for the UE to be in synch – t313, i.e. the 3GPP parameter that sets the waiting time for the UE to determine "RL failure" – The L3 supervision timer for the RRC connection setup procedure – The L3 supervision timer for synchronized DCH-DCH reconfigurations, e.g. RAB establishment, RAB release, Channel switching, HS serving cell change – The L3 supervision timer for non synchronized DCH-DCH reconfigurations, e.g. Active set update, RB reconfiguration – The L3 supervision timer for reconfigurations to/from Cell_FACH Commercial in confidence | 2012-11-17 | Page 92 (106) Volume counters per Ip interface Description › Counter for number of octets (Bytes) sent from an IP interface. Counter for number of octets (Bytes) received by an IP interface. Benefit › Better observability of the individual logical interfaces (Iur, IuCS and IuPS) even if they share a physical port. This allows measuring the bandwidth received and transmitted from each logical interface. Commercial in confidence | 2012-11-17 | Page 93 (106) RNC overload robustness Description › Code optimization to reduce Module MP load at cell congestion › Avoid non-linear MP load increase at high MP load and soft congestion Benefit › Increased accessibility by reducing processor load Commercial in confidence | 2012-11-17 | Page 94 (106) Increased number of Iur links › Description – Number of Iur links one RNC can configure is today limited to 64 – With this feature this limit will be increased to 128 on RNC 3820 and EvoC. RNC 3810 is limited by HW resources. An RNC 3820 or EvoC can still interface with an RNC 3810. › Benefit – Reduced risk of dropped call for users speaking on the phone when traveling – Simpler configuration of Iur for markets with large number of RNCs. Commercial in confidence | 2012-11-17 | Page 95 (106) OSS-RC 10.0: › Enables reduction in power consumption by powering down RUs of cells during no/low traffic periods › Applied in capacity cells and cells in areas with limited access during specific periods OSS-RC 12.0: › RAN Power Save – Traffic Sensitive Operation OSS-RC Policies 1. Purely by schedule 2. Traffic sensitive traffic RUs power consumptionl Comsumed Power [W] Output Power [W] 20 40 60 Standby digital OH Traffic Saves 100 – 600 Watt AC depending on RBS type RAN Power Save Enhancements Commercial in confidence | 2012-11-17 | Page 96 (106) › Detect potential “sleeping cells” by monitoring the traffic KPI:s › Self-Healing – An automatic recovery - restart RBS - when traffic KPI:s indicate severe problem › Enhance trouble shooting capabilities – Use NSD in OSS allow efficient presentation and configuration Sleeping cell detection & healing Recovery operation Event Correlator Alarm/Event OSS-RC KPI SupervisorKPI Data PM files RNC Commercial in confidence | 2012-11-17 | Page 97 (106) W12 summary Uplink capacity & performance End user experience Node capacity Network efficiency RBS and rnc HW & Configurations Commercial in confidence | 2012-11-17 | Page 100 (106) RRUS 12 & RUS 02 RRUS12 › GSM, WCDMA & LTE › 8 carriers over 40 MHz IBW › Up to 8 carriers GSM › Up to 4 carriers WCDMA or LTE › RRUS 12 up to 2x60 W › W=454, H=418, D=130 › 25 l, 23 kg RUS02 › GSM, WCDMA & LTE › 8 carriers over 40 MHz IBW › Up to 8 carriers GSM › Up to 4 carriers WCDMA or LTE › RUS 02 up to 1x100 W Tx Tx Tx Commercial in confidence | 2012-11-17 | Page 101 (106) › Evo Controller 8200 Support from W12B EvoET › ATM/TDM support in Evo Controller 8200 – 8 STM-1/OC3 ports with ATM termination – Full ATM support › Equipment and MS Protection › Network wide AAL2 connections › Permanent AAL5 connections › Mub routing + OSPF Support for ATM/TDM in Evo controller 8200 Evo-ET Commercial in confidence | 2012-11-17 | Page 102 (106) ATM Termination In EvoC Description › New interface board (EvoET) for the EvoC with 8 STM-1 ports › Configurable to either full rate STM-1 or to channelized STM-1 › Can be used for the interfaces Iub, Iur and IuCS › Otherwise same functionality as ET-MF4 and ET-MF41 Benefit › Will enable Radio Base Stations, RNCs and M-MGW to be connected to the EvoC also using ATM not only IP Commercial in confidence | 2012-11-17 | Page 103 (106) Support for RBS6302 › RBS6302 DUW30 based › -48VDC › AC/DC as an option in lid › Hidden/foldable handle › Feet › Temperature range -40C to +55C Commercial in confidence | 2012-11-17 | Page 104 (106) Flexible Carrier Mapping › > 2 carriers in a DU – Up to 4 carries in a DU dependent on baseband capacity › Allocate carriers to a DU to get Single Band - Multi Carrier support in a sector › Add sectors and carrier to remote radio units in a Macro node › Up to 12 sectors – In main remote configurations – When adding remote sectors to a macro node › All cell’s with same CellNumber (frequency plane) must use same DUW (baseband pool) to avoid SHO within RBS › Configuration holes are allowed – I.e. possible to allocate a carrier to frequency plane 2 in a sector even if frequency plane 1 is not used › Possible to allocate frequency bands to a sector independently of other sectors 1xDUW – up to •2x3 •3+1+1+1 •2+2+1+1 .... 2xDUW - up to •4x3 •3x3+3x1 •3+3+2+2 •4+3+2+1 •4+4+2+2... Commercial in confidence | 2012-11-17 | Page 105 (106) Air – Antenna integrated Radio › Radio: – Frequency bands: 2100 MHz (B1), 1900 MHz (B2), 1800 MHz (B3), and/or 1700/2100 MHz (B4) – One active antenna/radio with 2 TX, supporting e.g. 2x2 MIMO, IBW = 20 MHz › UL: 1 dB better than best in class RRU/TMA + antenna + jumpers › DL: Close to 1 dB better than 2x40 W RRU + antenna + jumpers Option: One best in class 65 passive antenna – Integrated RET, individual per frequency band – Option: Dual column for UL beam-forming / 4RX › Supporting Baseband – Ericsson RBS 6601, One or two simultaneous RATs › Size: – H x W x D = 1422 mm x 307 mm x 200 mm › Weight: – 32 kg for active only, 38 kg for active/passive › Wind load (worst direction, static @ 150 km/h wind speed): – Commercial in confidence | 2012-11-17 | Page 106 (106) Other w12b impacts › W12B introduces locks for HWAC (Hardware Activation Codes) for RBS 6000 only. – Essential to perform a network validation to ensure that installed HWAC capacity is the same or higher than installed SW capacity (to avoid traffic degradation) › W12B is not yet supported on EvoC 8200/RNC. – Today W12B is only available for RNC3810 and RNC3820 – W12B will be supported on EvoC 8200/RNC is Dec-2012 in a separate SW release. W12 FEATURES Presentation W12 mobily needs Upgrade paths and compatibility–W12 W12 Features supported by duw WCDMA RAN W12A Interference suppression � interference suppression�initially for eul 2ms interference suppression Interference Suppression�FOA Results Eul TD Scheduling � EUL TD Scheduling�2ms users Eul td scheduling�performance W12A performance example 64/96 Enhanced uplink users per cell � 64/96 Enhanced uplink users�per cell Channel Element Capacity for HSDPA Smartphones� Channel Element capacity for ul r99 HSDPA RBR QoS Profiling �Phase 2� HSDPA RBR QoS Profiling phase 2�w10b enhanced feature WCDMA RAN W12B Enhanced Uplink for Fach Enhanced uplink for FACH�EUL 10 ms Uplink burst size distribution�Measurements from a commercial nW Improved layer 2 UL� Improved Layer 2 Faster Establishment, Direct Upswitch from URA Direct Up-swiTch from URA improved user experience Call Re-Establishment smartphones�call drop market feedback call re-establishment�improves call drop rate Call Re-establishment �Results from FOA Improved Compressed Mode Handling Improved Compressed Mode handling Flexible Intra Frequency Measurement Initiation Flexible Intra Frequency Measurement Initiation Soft HO, event 1c�non-active primary CPICH becomes better than an active primary CPICH SOHO parameters on cell level SOHO parameters per cell Inactivity timers on cell level Inactivity timers configurable on cell level Frequency priority at RRC connection Release Frequency info in RRC Connection Release Message HSDPA and Non-HSDPA Interfrequency load sharing improvements HSDPA and NON HSPA Improvements HSDPA IFLS Capability and Priority Handling HSDPA IFLS Capability and Priority Handling Admission Block Redirections Admission Block redirections Manual-triggered Cyclic Access Class Barring on Cell Level ManualLy triggered Cyclic Access Class Barring on Cell Level SRB Admission Control SRB admission AQM based Congestion Control for HSDPA AQM based Congestion Control for HSDPA CBS - Event triggered CBS Event triggered broadcast CBS Event triggered broadcast Sending a message CE Capacity for EUL Smartphones Channel Element capacity �for EUL Smartphones Reduction of used CE for EUL 2ms�A typical smartphone CELL DCH session Dynamic Iu/Iur signalling Slide Number 66 RBS MP Load Sharing RBS MP load sharing 4-way Receiver Diversity 4-way Receiver Diversity 4-way receiver diversity Performance of 4-way diversity Y-coverage Y-coverage�innovative solution for Mobile Broadband Everywhere Multi-standard RBS, Mixed mode Mixed Mode in Multistandard RBS WCDMA / LTE Inter-working Release With Redirect to LTE Release with Redirect to LTE�Fast return to LTE RIM Support for System Information transfer to LTE RIM Support for System Information transfer to LTE CS Fallback from LTE - DMCR CS Fallback from LTE GPEH Capacity Increase - Reduced ROP periodicity GPEH Capacity Increase - Reduced ROP periodicity System Improvements in W12 Release Combine Add/Remove cells in one ASU procedure Best Useful candidate �event 1a and Event 1c Reports evaluation Soft congestion �enhancements Network Handling L1 and l3 Admin Volume counters per �Ip interface RNC overload robustness Increased number of Iur links Slide Number 95 Sleeping cell detection & healing W12 summary Slide Number 98 RBS and rnc�HW & Configurations RRUS 12 & RUS 02 Slide Number 101 ATM Termination In EvoC Support for RBS6302 Flexible Carrier Mapping Air – Antenna integrated Radio Other w12b impacts