Throughput analysis of IEEE 802.11e wireless LANs and efficient Block Ack mechanism

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In the recent draft of the 802.1 le MAC [2], the Hybrid Coordinator (HC) gives transmission opportunity (TXOP) for a station to transmit burst frames in TXOP for improving throughput efficiency. In this paper. we express the expected throughput for the Block Ack policy in Polled TXOP as a closed form function of the number of burst MSDUs, the number of fragmented MPDUs, the data payload length, the frame retry count. the wireless channel condition, and the selected PHY mode. Based on our simulation study and analysis, we show that the TXOP and proper Ack policy can enhance system performance, and that there are the Block Ack efficient block size and frame length to transmit the burst frames for each PHY mode. Moreover, we also show that when the Block Ack mechanism is combined with link adaptation. it has better throughput performance.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2005-01
Language
English
Article Type
Article
Citation

IEICE TRANSACTIONS ON COMMUNICATIONS, v.E88B, no.1, pp.402 - 407

ISSN
0916-8516
DOI
10.1093/ietcom/E88-B.1.402
URI
http://hdl.handle.net/10203/90528
Appears in Collection
EE-Journal Papers(저널논문)
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