Smart Resource Allocation Algorithm Considering Voice Activity for VoIP Services in Mobile-WiMAX System

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A new algorithm is proposed for wireless voice over IP(VoIP) codecs that allocates radio resources in consideration of the variations in packet size and packet-generation period. This algorithm allows resources to be utilized more efficiently in Mobile-WiMAX systems. The outstanding performance of our proposed algorithm with respect to average throughput and average packet dropping probability is demonstrated through intensive numerical analysis and simulations. VoIP capacity is compared with respect to the application of different VoIP codecs (G.729B, adaptive multirate (AMR)) and VoIP header compression schemes (payload header suppression (PHS) and robust header compression (ROHC)).
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2009-09
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, v.8, no.9, pp.4688 - 4697

ISSN
1536-1276
DOI
10.1109/TWC.2009.081122
URI
http://hdl.handle.net/10203/17004
Appears in Collection
EE-Journal Papers(저널논문)
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