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We consider a wireless communication model where a large number of transmitter-receiver pairs share a common Rayleigh fading channel without any coordination between them. The performance of a simple coexistence etiquette is analyzed in details, where packets are allowed to be transmitted from a given terminal only if the signal-to-interference-plus-noise ratio (SINR) at their intended receiver exceeds...
In this paper, the optimal design problem of overloaded code-division multiple-access (CDMA) systems is examined. Unlike previous results for chip or symbol synchronous systems, a continuous-time, band-limited, additive white Gaussian noise channel is considered for the multiple-access communications. First, non-information theoretic results are summarized, where the total transmit power is minimized,...
In this paper, we investigate the issues of both initial and post-initial acquisition schemes in the multiple-input/multiple-output (MIMO)-aided direct-sequence code-division multiple-access (DS-CDMA) downlink when communicating over spatially uncorrelated Rayleigh channels. The associated mean acquisition time (MAT) performance trends are characterized as a function of the number of MIMO elements...
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