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VoIP scheduling algorithm for AMR speech codec in IEEE 802.16e/m system
- Issue Date
- May-2008
- Publisher
- IEEE
- Keywords
- AMR speech codec; ErtPS; IEEE 802.16e/m system; VoIP scheduling algorithm
- Citation
- IEEE COMMUNICATIONS LETTERS, v.12, no.5, pp 374 - 376
- Pages
- 3
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE COMMUNICATIONS LETTERS
- Volume
- 12
- Number
- 5
- Start Page
- 374
- End Page
- 376
- ISSN
- 1089-7798
1558-2558
- Abstract
- This letter proposes an efficient uplink scheduling algorithm for voice over Internet protocol (VoIP) services with adaptive multi-rate (AMR) speech codec in IEEE 802.16e/m systems. The proposed scheduling algorithm adopts the random access scheme during silent-period to reduce the waste of uplink bandwidth considering the characteristics of AMR speech codec. The numerical results show that the proposed algorithm can increase the maximum supportable number of voice users by 26% compared to the conventional extended real-time polling service (ertPS).
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Related Researcher
- Cho, Sung hyun
- ERICA 소프트웨어융합대학 (ERICA 컴퓨터학부)