64481984 11 LTE radio network planning introduction (1)

Security Level: LTE Radio Network Planning Introduction www.huawei.com HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Agenda LTE RNP Overview LTE RNP Dimensioning LTE Co-location Solution LTE Deployment Strategy HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page Huawei LTE Radio Network Planning Main Steps Dimensioning Preplanning Inputs: Coverage, Capacity & Service Requirement Outputs: eNodeB coverage radius and site numbers based on capacity calculation Inputs: Calculated coverage radius, digital Detailed Planning map and subscriber distribution information Outputs: Preliminary eNodeB numbers Inputs: Coverage target and site survey result Outputs: Actual site location and engineering parameters HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page Detail LTE Radio Network Planning Preparation Agreement achieved by the operator and Huawei n Coverage area (Dense urban, Urban, Suburban ) n Quality objective (QoS criteria) n Capacity requirement (Subscriber, traffic model) n Link budget parameters (Penetration loss, Propagation model) Huawei deliver nBackground Interference Test (optional) n Propagation model tuning (optional) n Site location/ RF parameters configurations n Search ring specifications n prediction & Simulation n Cluster definition for project management Detailed Planning n Link budget n Capacity dimensioning n Site numbers/configuration n Cell radius in each morphology n Network development solution Nominal Planning n Site survey/candidate site search n Neighbor cell configuration nCell parameters configuration n Algorithm configuration HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential The output of dimensioning is important criteria to assess RNP solution The operator provides: Naming conventions Existing sites information Network Deployment Page LTE RNP Output Overview Input Output Site Type Coverage Requirement Coverage Area Polygon Definition Power/Channel Cell Edge Throughput Coverage Probability … eNodeB Number Capacity Requirement Active Users Frequency bandwidth Subscriber forecast Traffic Model … HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com S1&X2 Throughput Huawei Confidential Page Agenda LTE RNP Overview LTE RNP Dimensioning Coverage Dimensioning Capacity Dimensioning Active User Dimensioning S1&X2 Dimensioning LTE Co-location Solution LTE Deployment Strategy HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page LTE Radio Network Dimensioning Flow Start Coverage Requirement Link Budget Cell Radius Capacity Requirement Capacity Dimensioning Satisfy Capacity Requirement? No Adjust eNodeB Number Yes Active User/S1&X2 Dimensioning eNodeB Amount&Configuration End HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page Agenda LTE RNP Overview LTE RNP Dimensioning Coverage Dimensioning Capacity Dimensioning Active User Dimensioning S1&X2 Dimensioning LTE Co-location Solution LTE Deployment Strategy HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page LTE Coverage Dimensioning Flow n Aim of coverage dimensioning - to obtain the cell radius - to estimate eNodeB number for coverage requirement Start Link Budget Propagation Model Cell Radius eNodeB Coverage Area Total Coverage Area/ eNodeB Coverage Area eNodeB Number End HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page LTE Link Budget Procedure – Uplink Tx Power Other Gain Slow fading margin UE Antenna Gain Gain Margin Interference margin Loss Body Loss Penetration Loss Power level Max Allowed Path Loss EIRP Path Loss Cable Loss BTS Ant Gain Link segments HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page 10 Rx Sensitivity S1&X2 Dimensioning Case Study (1) Traffic TrafficRatio RatioofofUL UL== 1/(1+4) = 20% Traffic TrafficRatio RatioofofDL DL== 4/(1+4) = 80% 无法显示图像。计算机可能没有足够的内存以打开该图像，也可能是该图像 已损坏。请重新启动计算机，然后重新打开该文件。如果仍然显示红色 “x”， 则可能需要删除该图像，然后重新将其插入。 无法显示图像。计算机可能没有足够的内存以打开该图像，也可能是该图像 已损坏。请重新启动计算机，然后重新打开该文件。如果仍然显示红色 “x” ， 则可能需要删除该图像，然后重新将其插入。 1) Uplink and downlink busy hour data BH Data Data Traffic/Subs Traffic/Subs (UL) (UL) Data Traffic/Subs (UL) ==Data Traffic of all QCI ** Data Traffic of all QCItype/Subs type/Subs = BH Data Traffic/Sub.*Traffic Ratio of UL Traffic TrafficRatio RatioofofUL UL = 25kbps * 20% =5kbps 无法显示图像。计算机可能没有足够的内存以打开该图像，也可能是该图像已损坏。请重新启动计算机，然后重新打开该文件。如果仍然显示红色 “x”， 则可能需要删除该图像，然后重新将其插入。 traffic volume per subscriber is 25kbps BH Data Data Traffic/Subs Traffic/Subs (DL) (DL) Data Traffic/Subs (DL) ==Data Traffic of all QCI * Data Traffic of all QCItype/Subs type/Subs =BH Data Traffic/Subs.*Traffic Ratio *of DL Traffic TrafficRatio RatioofofDL DL = 25kbps * 80% = 20kbps 无法显示图像。计算机可能没有足够的内存以打开该图像，也可能是该图像已损坏。请重新启动计算机，然后重新打开该文件。如果仍然显 示红色“x”，则可能需要删除该图像，然后重新将其插入。 2) Traffic data ratio for uplink and downlink is 1:4 3) Peak to average traffic ratio is 1.2 4) Number of subscribers per eNodeB Data Traffic Throughput/Subs In Mac layer = Data Traffic/Subs *ER = * 1.37 = 6.85(UL) is 1000 5) Assuming IPV4 and IPsec with Traffic Peak Ratio = 1.2 T_UL_Data Traffic/Subs = 6.85*1.2 = 8.22kbps tunnel mode is used for IP over Ethernet transmission 6) Assuming the packet size is 300 Data Traffic Throughput/Subs In Mac layer = Data Traffic/Subs *ER = 20 * 1.37 = 27.4kbps(DL) T_DL_Data Traffic/Subs = 27.4*1.2 = 32.88kbps Subs/Site = 1000 T_UL_user plane/site = T_UL_Data Traffic/Subs * Subs/site = 8.22 * 1000 = 8.22Mbps T_DL_user plane/site = T_DL_Data Traffic/Subs * Subs/site = 32.88 * 1000 = 32.88Mbps bytes which means the ER is 1.37 T_Total_user plane/site = T_UL_user plane/site + T_DL_user plane/site = 8.22 + 32.88 = 41.1Mbps HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page 27 S1&X2 Dimensioning Case Study (2) Control Plane T _ control plane = T _ Total _ user _ Plane / Site * = 41.1* 2% = 0.82Mbps S1 Bandwidth T _ S1 / Site = T _ control _ Plane / Site + T _ Total _ user _ plane / Site = 0.82 + 41.1 = 41.92 Mbps X2 Bandwidth T _ X / Site = T _ S1 / Site * 3% = 41.92 * 3% = 1.26Mbps HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page 28 Comparison between Iub and S1 Bandwidth Iub Bandwidth Input Subscribers Subs per NodeB Iub Dimensioning S1 Bandwidth Output Input Iub Bandwidth Uplink and downlink data Traffic per subs Voice Traffic VP Traffic GoS Requirements Output CS Iub Bandwidth PS Iub Bandwidth CS Traffic S1 User Plane Dimensioning HSPA Iub Bandwidth Throughput at Mac layer/Subs S1 user Plane Throughput Extension Ratio (ER) PS Traffic PS64 Throughput PS128 Throughput PS384 Throughput Bandwidth for Traffic Peak to Average Ratio PS Retransmission HSPA Traffic Peak Throughput at Mac layer/Subs Common Channel Bandwidth Subscribers Per eNodeB Signalling Bandwidth Peak Throughput at Mac layer/Site O&M Bandwidth IubTotal = Max [ IubCS _ Peak , ( IubPS + IubCS _ Average + IubHSPA )] + IubSignalling + IubCCH + IubO& M HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential S = T _ user plane + T _ control plane = (1 + 2%) * T _ user plane Page 29 Agenda LTE RNP Overview LTE RNP Dimensioning LTE Co-location Solution LTE Deployment Strategy HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page 30 LTE Co-location General Consideration Ø Co-existing Systems Interference Guard band & isolation requirement Ø Installation Space Ø Tower Load Ø Impact on existing network Coverage performance, optimization Ø Civil Work & Maintenance Ø Cost Reuse & replacing Ø etc… HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page 31 Typical Co-location Scenario - Separate Antenna & Feeder Just taking wide-band for example Single-band 2600 (K80010541) Advantages ü No impact on the performance of existing network ü Independent tilt and azimuth, independent network planning and optimization Disadvantages ü Require more installation space for both antenna and feeder ü Require higher tower load ü Too many antennas, causing vision pollution Recommendation ü The highest priority of 2G/3G 2G/3G LTE 2600 consideration Existing equipments Existing 2G/3G 2G/3G + LTE HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com New equipments Huawei Confidential Page 32 Typical Co-location Scenario - Separate Antenna, Shared Feeder Advantages Single-band 2600 (K80010541) ü Reusing existing feeder, no need additional space for new feeder ü Independent tilt and azimuth, independent network planning and optimization Disadvantages ü Require more antenna installation Combiner is required space and higher tower load ü Additional diplexer cost ü Additional diplexer loss, negative impact on existing network ü Too many antennas, causing vision pollution Recommendation 2G/3G ü Applicable to impossible 2G/3G LTE additional feeder Existing equipments Existing 2G/3G 2G/3G + LTE HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com New equipments Huawei Confidential Page 33 Typical Co-location Scenario - Shared Antenna, Separate Feeder Multi-band without interior combiner (K80010544/ K80010622) Advantages ü No need additional space for new antenna ü No or Small impact on performance of existing network Disadvantages ü Require more feeder installation space ü Replacing new antenna ü Independent tilt but same azimuth, partly independent network planning and optimization Recommendation ü New antenna should keep same beam width and gain for least 2G/3G 2G/3G LTE negative impact on existing network Existing equipments Existing 2G/3G 2G/3G + LTE HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com New equipments Huawei Confidential Page 34 Typical Co-location Scenario - Shared Antenna & Feeder (1) Multi-band without interior combiner (K80010544/ K80010622) Advantages ü No need additional space for new antenna and feeder ü Reusing existing feeder Disadvantages ü Replacing new antenna ü Independent tilt but same azimuth, partly independent network planning Combiner is required and optimization ü Additional diplexer cost and loss, negative impact on existing network Recommendation ü New antenna should keep same beam width for least negative impact on existing network 2G/3G ü RRU installed near the antenna 2G/3G LTE ü Thicker feeder (optional) Existing equipments Existing 2G/3G 2G/3G + LTE HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com New equipments Huawei Confidential Page 35 Typical Co-location Scenario - Shared Antenna & Feeder (2) Advantages Wide-band (K80010621) ü No need additional space for new antenna and feeder ü Reusing existing feeder Disadvantages ü Replacing new antenna or existing antenna is wide band Combiner is required ü Same tilt & azimuth, impossible independent network planning and optimization ü Additional diplexer cost and loss, negative impact on existing network Recommendation ü New antenna should keep same beam width for least negative impact on existing network 2G/3G 2G/3G LTE ü It ‘s not recommended if other solution is applicable Existing equipments Existing 2G/3G 2G/3G + LTE HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com New equipments Huawei Confidential Page 36 Agenda LTE RNP Overview LTE RNP Dimensioning LTE Co-location Solution LTE Deployment Strategy HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page 37 LTE Multi-band Deployment Strategy Throughput High frequency for capacity enhancement Low frequency for nation wide coverage Area Urban/Hot Spot l l l GSM900, GSM1800 UMTS2100 LTE2600, LTE1800 Suburban l l l GSM900, GSM1800 UMTS2100 LTE1800 Rural/Remote l l l GSM900, GSM1800 UMTS2100 LTE900 Initiate LTE 2600, refarm GL1800/900 from urban to rural HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page 38 LTE Multi-band Deployment Strategy Shifting Voice Traffic to LTE Shifting Voice Traffic to UMTS Shifting DATA Traffic to LTE Year X Year X+1 HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Year X+2 Huawei Confidential Year X+3 Page 39 LTE Deployment Strategy Case Phase Year X Year Y Year Z Deployment Strategy Description Continuously cover Dense Urban area and some hotspots in Urban area such as CBD, malls, resorts, VIP area, Rich area and so on Number of Sites a HUAWEI TECHNOLOGIES CO., LTD PDF created with pdfFactory Pro trial version www.pdffactory.com Extend to all Suburban area and Continuously cover all cities in Rural/Desert populated spots, as Urban area Perform optimization well as highway to cover whole and introduce indoor DAS based country Continue optimization on existing coverage area and indoor DAS coverage b Huawei Confidential c Page 40 Thank you www.huawei.com PDF created with pdfFactory Pro trial version www.pdffactory.com ... Pro trial version www.pdffactory.com Huawei Confidential Page Huawei LTE Radio Network Planning Main Steps Dimensioning Preplanning Inputs: Coverage, Capacity & Service Requirement Outputs: eNodeB... Comparison b/w HSPA+ and LTE UL Cell Average Throughput(Mbps) 20.00 15.00 10.00 5.00 0.00 HSUPA 10ms HSUPA 2ms HSUPA 16QAM LTE MHz LTE 10MHz LTE 20MHz DL Cell Average Throughput(Mbps) LTE 20MHz 35.00... created with pdfFactory Pro trial version www.pdffactory.com Huawei Confidential Page Detail LTE Radio Network Planning Preparation Agreement achieved by the operator and Huawei n Coverage area (Dense