Wcdma for umts radio access for third genergation mobile communacations phần 10 ppsx

... America. WCDMA radio access has evolved strongly alongside high- speed downlink packet access (HSDPA) and high- speed uplink packet access (HSUPA), together called high- speed packet access (HSPA). ... Control CHannel HSDPA High- Speed Downlink Packet Access HSPA High- Speed Packet Access HSUPA High- Speed Uplink Packet Access Abbreviations xvii Higher cell ca...

Ngày tải lên: 01/06/2014, 09:38

... WCDMA FOR UMTS Radio Access for Third Generation Mobile Communications Third Edition Edited by Harri Holma and Antti Toskala Both of Nokia, ... Supported for improving downlink capacity Not supported by the standard 8 WCDMA for UMTS 1.2 Air Interfaces and Spectrum Allocations for Third Generation Systems Work to develop third generation mobile ... Air...

Ngày tải lên: 03/06/2014, 01:37

... gives an indication of the sensitivity of the performance of the different network layouts for the base station antenna height. Also the signal statistics of the different network layouts are analysed ... the performance of the triangular and square layouts was shown to be at equal level with the clover-leaf layout. Moreover, the performances of these layouts are clear...

Ngày tải lên: 21/06/2014, 23:20

... (such as downloading information, exchanging email, and instant messaging). 1 Y. Park and F. Adachi (eds.), Enhanced Radio Access Technologies for Next Generation Mobile Communication, 137. â ... program that interacts with the mobile subscriber to compose, address, send, receive, and view MMS messages. Enhanced Radio Access Technologies for Next Generation...

Ngày tải lên: 07/08/2014, 21:20

... and Prasad, R., Wideband CDMA for Third Generation Mobile Communications, Artech House, 1998, 439. [10] Holma, H., ‘A Study of UMTS Terrestrial Radio Access Performance’, Doctoral thesis, Commu- nications ... in WCDMA Uplink’, to appear in ISSSTA’04, September 2004. 410 WCDMA for UMTS peak data rates exceed 1 Mbps in High-Speed Uplink Packet Access, HSUPA, which is a 3...

Ngày tải lên: 14/08/2014, 12:21

... around 10 dB C/I where throughput for hopping and 598 Radio Network Planning and Optimisation for UMTS Figure 10. 6(b) shows the delays of individual coding schemes and LA. The main criterion for ... timeslot 578 Radio Network Planning and Optimisation for UMTS BLER 0.01 0 .10 1.00 0 5 10 15 20 25 30 MCS-5 MCS-6 MCS-7 MCS-8 MCS-9 throughput [kbps] 0...

Ngày tải lên: 14/08/2014, 12:21

... in Figure 2. 14. Example streaming terminals Figure 2. 15. Example content download 26 WCDMA for UMTS 4 Background and Standardisation of WCDMA Antti Toskala 4.1 Introduction In the first phase of third ... processing gain for lower user data bit rates than for high bit rates. In particular, for user data bit rates of 2 Mbps, the processing gain is less than 2 (ẳ3.84 Mcp...

Ngày tải lên: 14/08/2014, 12:21

... MSC/GMCS Figure 5.12. Release ’99 UMTS core network structure 96 WCDMA for UMTS 5 .3. 3 Vertical Planes 5 .3. 3.1 Control Plane The Control Plane is used for all UMTS- specific control signalling. ... Universal Mobile Telecommunications System (UMTS) , Requirements for the UMTS Terrestrial Radio Access System (UTRA), ETSI Technical Report, UMTS 21.01 version 3. 0.1, Nov...

Ngày tải lên: 14/08/2014, 12:21

... kbps 256 15 30 12– 24 6–12 kbps 128 30 60 42 –51 20– 24 kbps 64 60 120 90 45 kbps 32 120 240 210 105 kbps 16 240 48 0 43 2 215 kbps 8 48 0 960 912 45 6 kbps 4 960 1920 1872 936 kbps 4, with 3 parallel ... 7.5 kbps 128 30 15 kbps 64 60 30 kbps 32 120 60 kbps 16 240 120 kbps 8 48 0 240 kbps 4 960 48 0 kbps 4, with 6 parallel codes 5 740 2.8 Mbps 116 WCDMA for UMTS As a...

Ngày tải lên: 14/08/2014, 12:21

... hand, WCDMA requires very linear base station power amplifiers, which is challenging for the implementation. 154 156 158 160 162 164 166 168 170 100 150 200 250 300 350 400 450 50 0 55 0 600 650 700 ... capacity 7. 95 92.7 80.9 Erl 87 % 84.2 Erl 4 % 12.2 60 .5 50.1 Erl 83 % 52 .8 Erl 5 % 16 39.0 30.1 Erl 77 % 32.3 Erl 7 % 32 19.7 12.9 Erl 65 % 14.4 Erl 12 % 64 12 .5 7.0 Erl...

Ngày tải lên: 14/08/2014, 12:21

... 2 26. 67 192.00 0.29 0.35 cell 4 721 .60 760 .00 0.50 0.12 cell 5 1101 .60 62 9.14 0.74 0.29 cell 6 772 .68 800.00 0 .60 0.27 MEAN 531.04 5 06. 62 0.45 0.39 Basic loading: mobile speed 50 km/h and 3 km/h, ... 84 .6 % 88.9 % 384 kbps 66 .9 % 71.4 % Test mobile speed: Basic loading: mobile —————————————— speed 50 km/h 3 km/h 50 km/h 8 kbps 95.5 % 97.1 % 64 kbps 82.4 % 87.2 % 384 kbp...

Ngày tải lên: 14/08/2014, 12:21

... context for any application, e.g. for presence. The third optimisation step is to use an existing PDP 0 200 400 600 800 1000 GPRS WCDMA RACH WCDMA DCH Milliseconds Acceptable/good quality for real ... transmission power is presented. 264 WCDMA for UMTS 10.5 Packet Data System Performance In this section, packet scheduling performance is analysed. First, link level performanc...

Ngày tải lên: 14/08/2014, 12:21

... HSDPA techniques for the uplink direction is under investigation in 3GPP for inclusion in forthcoming Releases, though the expected gain is not foreseen to 344 WCDMA for UMTS 11 .8. 3 User Scheduling, ... DSCH: 326 WCDMA for UMTS rate for the connection. For example, with Adaptive Multirate (AMR) speech service and packet data, the DCH capacity reserved is equal to the sum...

Ngày tải lên: 14/08/2014, 12:21

... performance is obtaine d for high mobile speeds, while close to the base station, low mobile speeds perform better. This behaviour can be explained by the fact that for high mobile speeds interleaving ... dBm 2.1 dB Route B 1 m separation 7 .90 dBm 4. 59 dBm 3.3 dB no separation 7 .90 dBm 4.86 dBm 3.1 dB Route C 1 m separation 5.63 dBm 2.54 dBm 3.1 dB 358 WCDMA for UMTS baseb...

Ngày tải lên: 14/08/2014, 12:21