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Dynamic downlink OFDM resource allocation with interference mitigation and macro diversity for multimedia services in wireless cellular systems

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2 Author(s)
Damji, N. ; Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, Que., Canada ; Le-Ngoc, Tho

This paper presents efficient dynamic resource allocation schemes with interference mitigation techniques for multimedia services in downlink OFDM mobile cellular systems. The performance of the proposed algorithms is evaluated in terms of user quality of service (QoS) and system spectral efficiency. It is shown that the best sub-carrier allocation (BSA) scheme with interference mitigation and macro-diversity techniques gives significant performance gains in terms of system spectral efficiency. Furthermore, sharing the system bandwidth amongst real-time stream-type voice and bursty data services can support much larger system loads than having a hard division.

Published in:

Wireless Communications and Networking Conference, 2005 IEEE  (Volume:3 )

Date of Conference:

13-17 March 2005