Rate Analysis of Ad Hoc Networks under Rapid On-Off-Division Duplex

We examine the deployment of rapid on-off-division duplex (RODD) scheme, a paradigm to enable bidirectional communication with half-duplex radios, in a partially-connected ad hoc network. Different from symmetric interlinked ad hoc network, not all the received signals can be decoded by receivers in partially connected networks, thus the effect of multiuser interference should be considered and the throughput of such network is evaluated with Gaussian code-books and random on-off masks. Numerical experiments show that the throughput of RODD is higher than that of the random access protocol in 802.11b. However, the throughput is shown to be limited as the number of users and the probability of transmission increase. Based on error-control codes and compressive sensing, a general paradigm for on-off mask generation and channel coding is discussed.

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