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Efficient transmission of multicast MAP in the IEEE 802.16e
IEEE 802.16e 에서 멀티캐스트 MAP 의 효율적 전송 기법

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Authors
Yeom, Jae-Heung; Lee, Yong-Hwan
Issue Date
2007-11
Publisher
Korea Information and Communications Society = 한국통신학회
Citation
2007년도 한국통신학회 추계종합학술발표회, 2007년 11월
Keywords
IEEE 802.16emulticast MAP
Abstract
The IEEE 802.16e suggests the use of multicast sub-MAPs whose messages are differently encoded according to
the operating condition. In this case, it is desired for the base station to properly choose a modulation and coding set
(MCS) associated with operating condition. In this paper, we consider the use of an adaptive modulation coding
(AMC) scheme for the multicast sub-MAP that achieves the same MAP coverage as the broadcast MAP while
minimizing the signaling overhead. We consider the adjustment of the threshold for the AMC according to the
channel condition without explicit information on the channel condition, significantly reducing the amount of the
signaling overhead. Simulation results show that when it is applied to voice-over-IP (VoIP) services, the proposed
scheme can enhance the VoIP capacity.
Language
English
URI
http://hdl.handle.net/10371/7093
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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