Download e-book for iPad: 3G CDMA2000 : wireless system engineering by Samuel C. Yang

By Samuel C. Yang

ISBN-10: 1580537588

ISBN-13: 9781580537582

CDMA2000 is of severe curiosity to instant communications execs simply because this 3G (third iteration) normal offers for swifter information premiums, always-on info provider, and more advantageous voice community ability. Breaking down advanced know-how into easy-to-understand recommendations, this hands-on, system-level source deals RF (radio frequency) and instant approach engineers professional suggestions in designing, optimizing, and working a CDMA2000 instant community.

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The mobile monitors its designated paging indicators. If the paging indicators show that there is no mobile-specific page, then the mobile does nothing. If the paging indicators show that there is a mobile-specific page coming in, then the mobile wakes up and monitors its assigned paging channel slot. Note that in this regard, the F-QPCH works with a paging channel operating in slotted mode. In addition, the F-QPCH can also work with a forward common control channel operating in slotted mode. 3 shows in more detail how the F-QPCH works in conjunction with the F-PCH.

Note that in this regard, the F-QPCH works with a paging channel operating in slotted mode. In addition, the F-QPCH can also work with a forward common control channel operating in slotted mode. 3 shows in more detail how the F-QPCH works in conjunction with the F-PCH. As one can see in the figure, a paging channel slot and a quick paging channel slot both last 80 ms, and quick paging channel slots are offset from (ahead of) paging channel slots by 20 ms. Each quick paging channel is divided into four 20-ms portions.

See Chapter 9 for more details on the constraints of Walsh code assignment. 6. Although IS-95 also has a QPSK modulator, its in-phase and quadrature branches carry identical symbols. Thus strictly speaking, IS-95 uses two identical BPSK modulators. 7 Capacity Gain: Forward Link 35 References [1] [2] [3] TIA/EIA-95-B, Mobile Station-Base Station Compatibility Standard for Wideband Spread Spectrum Cellular Systems, Telecommunications Industry Association, March 1999. 2-A, Physical Layer Standard for cdma2000 Spread Spectrum Systems, Telecommunications Industry Association, March 2000.

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3G CDMA2000 : wireless system engineering by Samuel C. Yang


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