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In this paper, we investigate the hop distance optimization problem in ad hoc networks where cooperative multi-input-single-output (MISO) is adopted to improve the energy efficiency of the network. We first establish the energy model of multihop cooperative MISO transmission. Based on the model, the energy consumption per bit of the network with high node density is minimized numerically by finding...
An updatable automatic repeat request (ARQ) protocol for distributed space-time coded cooperative networks is proposed in this paper. We define a decoding relay set (DS), composed of the relays decoding the packet from source correctly. The DS would be expanded as the round of ARQ increasing, because the relays failing to receive correct packet in previous (re)transmission are still possible to decode...
Based on DSR route protocol, this paper advances a proactive link switch strategy for high dynamic Ad Hoc wireless network named dynamic source route link switch mechanism (DSR-LS). In order to envoy packet transmission, DSR-LS utilizes RTS/DATA or CTS/ACK embedded with link switch request or reply option to find a new link in one-hop range of the node at the time of detecting a link breakage trend...
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