High Efficient Mobile WiMAX with MIMO and Multihop Relay

Provided by: Journal of Communications
Topic: Mobility
Format: PDF
MIMO and relay technology is currently being promoted within the IEEE to enhance performance of broadband wireless standards such as WiMAX. However, due to licensed spectrum, it is necessary to implement highly efficient radio resource management. For optimal system design, it is beneficial to achieve higher system data throughput with fewer radio resources employed. This paper presents a comprehensive study of MIMO mobile WiMAX with multi-hop relay technology for high efficient multi-user transmission. A directional distributed relaying architecture is introduced in order to leverage link-level and system-level capacity.

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