Iterative transmitter and receiver optimization for CDMA networks

Sennur Ulukus, Aylin Yener

    Research output: Contribution to journalArticlepeer-review

    34 Scopus citations

    Abstract

    Optimization of the capacity of a single-cell code-division multiple-access (CDMA) system, both from the perspective of the maximum number of users that can be served at a required quality of service level and from the information theoretic perspective, has been recently shown to be achieved by the same joint transmit and receive strategies. In this paper, we propose an alternating minimization based iterative algorithm that updates the transmitters and the corresponding receivers of the users. The algorithm is suitable for online implementation, and the objective function is suitable for extension to multicell networks, both of which are in contrast with the previously proposed algorithms. We show that the algorithm is provably convergent to the optimum signature sequences and the corresponding receivers.

    Original languageEnglish (US)
    Pages (from-to)1879-1884
    Number of pages6
    JournalIEEE Transactions on Wireless Communications
    Volume3
    Issue number6
    DOIs
    StatePublished - Nov 2004

    All Science Journal Classification (ASJC) codes

    • Computer Science Applications
    • Electrical and Electronic Engineering
    • Applied Mathematics

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