Multiuser Detection
Coordinated Multiuser Communications
Coordinated Multiuser Communications
A two-stage capacity-achieving demodulation/decoding method for random matrix channels
IEEE Transactions on Information Theory
Impact of traffic localization on communication rates in ad-hoc networks
Wireless Networks
On the capacity of mobile ad hoc networks with delay constraints
IEEE Transactions on Wireless Communications
Linear multiuser receivers: effective interference, effective bandwidth and user capacity
IEEE Transactions on Information Theory
The capacity of wireless networks
IEEE Transactions on Information Theory
Performance analysis of the IEEE 802.11 distributed coordination function
IEEE Journal on Selected Areas in Communications
Theoretical analysis of asynchronous multi-packet reception in 802.11 networks
IEEE Transactions on Communications
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Wireless ad hoc networks with nodes capable of simultaneous multiple packet reception are considered. We focus on spread spectrum networks and address the relationship between the packet detection success, probability of the packet success over multiple hops, and asymptotic throughput capacity of the network in terms of power and bandwidth resources as well as the multi-packet detection capability of the nodes. In the second part of the paper we consider network with nodes employing partitioned code division multiple access (CDMA) transmission and joint iterative reception. We study local communication in the network and derive a relationship between the probability of detection success and a fraction of the multiple access channel capacity that can be achieved at any communicating node.We use this result to demonstrate that near optimum throughput and reliable end-to-end communication can be achieved in the network with use of a practical detection method. Finally, we present simulation results which demonstrate the advantage of partitioned CDMA with iterative receivers over CDMA with linear receivers in a network setting.