Accurate DS-CDMA packet-error rate analysis in Rayleigh fading

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    Abstract

    We present new packet-error rate (PER) analysis for both slotted and unslotted direct-sequence spread-spectrum packet communication systems in a slow Rayleigh fading environment. Based on the accurate improved Gaussian approximation, we derive closed-form expressions for the cumulative probability distribution function of the signal-to-interference-plus-noise ratio in binary phase-shift keying (PSK), quadratic PSK, and differential PSK-based code-division multiple-access (CDMA) systems having different types of chip waveforms including bandwidth-efficient waveforms. This leads to new accurate unified expressions for the PERs that account for bit-to-bit error dependence, which are valid for packets with unequal power levels. These new results facilitate accurate computation of the throughput performance of CDMA-based ALOHA local radio networks. © 2007 IEEE.
    Original languageEnglish
    Pages (from-to)551-562
    Number of pages11
    JournalIEEE Transactions on Communications
    Volume55
    Issue number3
    DOIs
    Publication statusPublished - Mar 2007

    Keywords

    • Multiple-access (MA) communications
    • Packet communication systems
    • Rayleigh fading channels
    • Spread spectrum communications

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