Mobility

Relay-Assisted Partial Packet Recovery With IDMA Method in CDMA Wireless Network

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Executive Summary

Automatic Repeat Request (ARQ) is an effective technique for reliable transmission of packets in wireless networks. In ARQ, however, only a few erroneous bits in a packet will cause the entire packet to be discarded at the receiver. In this case, it's wasteful to retransmit the correct bit in the received packet. The partial packet recovery only retransmits the unreliable decoded bits in order to increase the throughput of network. In addition, the cooperative transmission based on Interleave-Division Multiple-Access (IDMA) can obtain diversity gains with multiple relays with different locations for multiple sources simultaneously. By exploring the diversity from the channel between relay and destination, the authors propose a relay-assisted partial packet recovery in CDMA wireless network to improve the performance of throughput.

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