Matrix analysis
Elements of information theory
Elements of information theory
Interference Avoidance Methods for Wireless Systems (Information Technology Transmission, Processing and Storage)
Convex Optimization
IEEE Transactions on Signal Processing
Transceiver optimization for multiuser MIMO systems
IEEE Transactions on Signal Processing
Wireless systems and interference avoidance
IEEE Transactions on Wireless Communications
The optimality of beamforming in uplink multiuser wireless systems
IEEE Transactions on Wireless Communications
Codeword optimization for uplink CDMA dispersive channels
IEEE Transactions on Wireless Communications
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
Optimal sequences and sum capacity of synchronous CDMA systems
IEEE Transactions on Information Theory
Iterative construction of optimum signature sequence sets in synchronous CDMA systems
IEEE Transactions on Information Theory
CDMA codeword optimization: interference avoidance and convergence via class warfare
IEEE Transactions on Information Theory
Optimal sequences for CDMA under colored noise: a Schur-saddle function property
IEEE Transactions on Information Theory
Optimal sequences for CDMA with decision-feedback receivers
IEEE Transactions on Information Theory
Iterative water-filling for Gaussian vector multiple-access channels
IEEE Transactions on Information Theory
Sum capacity and TSC bounds in collaborative multibase wireless systems
IEEE Transactions on Information Theory
Signature sequence adaptation for DS-CDMA with multipath
IEEE Journal on Selected Areas in Communications
User admissibility in uplink wireless systems with multipath and target SINR requirements
IEEE Communications Letters
Game-theoretic approach to joint transmitter adaptation and power control in wireless systems
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics - Special issue on game theory
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We present a codeword adaptation algorithm for collaborative multibase wireless systems. The system is modeled with multiple inputs and multiple outputs (MIMO) in which information is transmitted using multicode CDMA, and codewords are adapted based on greedy maximization of the signal-to-interference-plus-noise ratio. The procedure monotonically increases the sum capacity and, when repeated iteratively for all codewords in the system, converges to a fixed point. Fixed-point properties and a connection with sum capacity maximization, along with a discussion of simulations that corroborate the basic analytic results, are included in the paper.