In this article, we develop an analytical framework for the performance analysis of cooperative amplify-and-forward (CAF) relay-based energy detection. We derive mathematical expression for the detection probability for single cognitive relay system and later extend it to multi-relay system. Our resulting expression is based on the canonical series representation of generalized Marcum Q-functio...

Wireless digital broadcasting applications such as digital audio broadcast (DAB) and digital video broadcast (DVB) are becoming increasingly popular since the digital format allows for quality improvements as compared to traditional analogue broadcast. The broadcasting is commonly based on packet transmission. In this thesis, we consider broadcasting over packet erasure channels. To achieve rel...

Dynamic resource management strategies addressing active set management of BS and relays, dynamic resource partitioning and dynamic routing are examined for use in cellular infrastructure based multihop relaying systems. Simulation results demonstrate improved coverage with full queue user data rate distribution, along with a small increase in throughput. The average web page download rate is a...

Cooperative diversity is becoming an important means for improving link quality in relay based system. Relay selection plays a vital role in system performance. This paper investigates, the relay selection algorithm and location effect of supporting relay, on system performance. Multi-antenna can be deployed at the access point but maximum benefit is derived only under rich scattering. However,...