CDMA and cdma2000 for 3G Mobile Networks 6 pptx

... based on standards IS-54 and IS-1 36, use a channel spacing of 30 kHz, and Chapter 1 24 19 46 First domestic public land mobile service introduced in St. Louis. The system operated at 150 MHz and had ... America, and now the United States. GSM, like IS-54 and IS-1 36, combines FDMA and TDMA access schemes and uses 2 frequency bands around 900 MHz [7]. As shown in Figure 1 -6,...

Ngày tải lên: 23/12/2013, 01:17

... Evolution of Mobile Communication Networks 261 Review of 3G Requirements [1]-[4] 262 Network Evolution 264 First-Generation Network 264 Second-Generation Networks 266 2Gϩ Networks 268 3G Network ... cdma2 000, and the other was similar to the ETSI/ARIB proposal. Thus, eventually, there were only 4 systems for 3G mobile com- munications — cdma2 000, UWC-1 36, W -CDMA...

Ngày tải lên: 02/03/2013, 16:58

... a data rate of up to 2 Mb/s with a bandwidth of 1 .6 MHz. The spectrum allocation for UWC-1 36 is the same as for cdma2 000. The system features of UMTS and cdma2 000 are summarized in Table 1-5. Chapter ... standard IS-54, its newer version IS-1 36, and Global System for Mobile Communica- tions (GSM), are all based on TDMA and FDD. In IS-54 and IS-1 36, each voice channe...

Ngày tải lên: 18/06/2014, 10:05

... error rates for all users. On the other hand, it is possible to minimize E b /N 0 without N ϭ 1 ϩ G p E b >N o a 11 ϩ b2v 65 Principles of Wideband CDMA (W -CDMA) in essence, forms the basis ... Standards Institute (ETSI)/GSM Long Term Predictor (RPE-LTP). Every Standard 06. xx 20 ms, the speech encoder generates 260 bits. cdmaOne based on IS-95A Code Excited Linear Predictive...

Ngày tải lên: 18/06/2014, 10:05

... step for sequential decoding, P1R 0 X2 is maximum. 107 Principles of Wideband CDMA (W -CDMA) cdmaOne and cdma2 000 CHAPTER 4 4 Copyright 2002 M.R. Karim and Lucent Technologies. Click Here for Terms ... set of standards for third-generation (3G) wireless systems [1], [2], [5], [7]. These systems include cdma2 000, Universal Mobile Telecommunica- tions System (UMTS) Wideband...

Ngày tải lên: 18/06/2014, 10:05

... block diagram form. v 0 ϭ 1 1 .69 86k H1v2ϭ Ae Ϫk 2 v 2 Chapter 5 168 38.4, 76. 8, and 153 .6 kb/s, and (2) 14.4, 28.8, 57 .6, 115.2, and 230.4 kb/s. Only 20 ms frames are supported. For these data ... channel 1 and 2, which are similar to the forward supplementary channels, provide higher data rates: (1) 9 .6, 19.2, 145 cdmaOne and cdma2 000 Rate Set 1 Rate Set 2 Single-carri...

Ngày tải lên: 18/06/2014, 10:05

... factors and allocating the required number of slots and channels. Chapter 6 2 06 1 Radio Frame = 10 ms Slot 0 Slot 1 o o o Slot 14 0 .66 67ms (2 560 chips) Figure 6- 7 An uplink frame structure for a DPDCH ... location and routing information of the mobile. In the STANDBY state, the mobile station is still GPRS-attached and sends the SGSN its location and routing informati...

Ngày tải lên: 18/06/2014, 10:05

... transport channel and the mode (that is, FDD or TDD). For example, on a RACH in the FDD mode, this field is 00 for a common control chan- nel and 01 for a dedicated control or traffic channel. Chapter 6 2 36 MAC ... 2 Octet 3 o o Figure 6- 27 The RLC PDU format for the unacknowledged mode as I and Q in the figure, are to be scrambled by a complex scrambling code, the I and...

Ngày tải lên: 18/06/2014, 10:05

... between a mobile station and a base station, and between IWF and PDN The signaling protocol for the interface between a base station and an MSC (that is, the A interface) in IS-1 36, IS-95, and cdma2 000 ... of Mobile Communication Networks Call Controls and Mobility Management CHAPTER 8 8 Copyright 2002 M.R. Karim and Lucent Technologies. Click Here for Terms of Use....

Ngày tải lên: 18/06/2014, 10:05

... routers [11], [ 16] . RSVP for Mobile Systems Problems arise when standard RSVP is used in a mobile communi- cations network. Reference [11] has studied these problems in detail, and also summarizes ... arrival process is purely random, it is often not easy to compute the required bandwidth for an arbitrary sustainable data rate, peak data rate, and the burst size except for ver...

Ngày tải lên: 18/06/2014, 10:05