IEEE 802.11ac에서의 MU-MIMO를 위한 효율적 채널 사운딩 알고리즘The Effective Channel Sounding Algorithm for Multi-User MIMO in IEEE 802.11ac

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This paper proposes the effective channel sounding algorithm for NDP sounding protocol in IEEE 802.11ac standard. The channel for wireless LANs changes slowly, and doesn’t need to feedback all the time. So we suggest the effective algorithm for NDP sounding with considering channel variation. To take channel variation into account, the algorithm uses mean squared error calculation, and compares with threshold to decide feedback or not. Finally, performance evaluation is carried out, and shows the reduction of total sounding time.
Publisher
한국통신학회
Issue Date
2015-06-24
Language
Korean
Citation

한국통신학회 2015년도 하계종합학술대회

URI
http://hdl.handle.net/10203/200126
Appears in Collection
EE-Conference Papers(학술회의논문)
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