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Performance Analysis Of Collaborative Hybrid-Arq Protocols Over Fading Channels, Igor Stanojev
Performance Analysis Of Collaborative Hybrid-Arq Protocols Over Fading Channels, Igor Stanojev
Theses
Impairments due to multipath signal propagation on the performance of wireless communications systems can be efficiently mitigated with time, frequency or spatial diversity. To exploit spatial diversity, multiple-antenna technology has been thoroughly investigated and emerged as one of the most mature communications areas. However, the need for smaller user terminals, which results in insufficient spacing for antenna collocation, tends to limit the practical implementation of this technology. Without compromising terminal dimensions, future wireless networks will therefore have to exploit their broadcast nature and rely on collaboration between single-antenna terminals for exploiting spatial diversity.
Among cooperative schemes, Collaborative ARQ transmission protocols, …