DSTC Layering Protocols in Wireless Cooperative Networks
P.S. Elamvazhuthi (1, 2), P.S. Kulkarni (1, 3), and B.K. Dey (1), ((1) Indian Institute of Technology Bombay, Mumbai, India, (2) Cognizant, Technology Solutions India Pvt. Ltd., Chennai, India, (3) Juniper Networks, Inc., Bengaluru, India)

TL;DR
This paper introduces new layering protocols for wireless cooperative networks that incorporate weaker links, demonstrating improved performance over existing protocols through simulations and analysis.
Contribution
It proposes novel protocols for layered relay networks considering weaker links, showing performance gains with optimal power allocation and relay channel knowledge.
Findings
Proposed protocols outperform basic protocols by approximately 2 dB.
Performance improvement increases with weaker link strength.
Relay channel knowledge enhances reliability and data rate.
Abstract
In a radio network with single source-destination pair and some relays, a link between any two nodes is considered to have same or zero path loss. However in practice some links may have considerably high path loss than others but still being useful. In this report, we take into account signals received from these links also. \indent Our system model consists of a source-destination pair with two layers of relays in which weaker links between source and second layer and between the first layer and destination are also considered. We propose some protocols in this system model, run simulations under optimum power allocation, and compare these protocols. We show that under reasonable channel strength of these weaker links, the proposed protocols perform ( dB) better than the existing basic protocol. As expected, the degree of improvement increases with the strength of the…
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Taxonomy
TopicsCooperative Communication and Network Coding · Mobile Ad Hoc Networks · Advanced MIMO Systems Optimization
