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A Practical Unacknowledged Unicast Transmission in IEEE 802.11 Networks

Hyun Yang ; Jin Seok Yun ; Jun Seok Oh ; Chang Yun Park

KSII Transactions on Internet and Information Systems(TIIS), March 2011, Vol.5(3), pp.523-541 [Tạp chí có phản biện]

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  • Nhan đề:
    A Practical Unacknowledged Unicast Transmission in IEEE 802.11 Networks
  • Tác giả: Hyun Yang ; Jin Seok Yun ; Jun Seok Oh ; Chang Yun Park
  • Chủ đề: Ieee 802.11 ; Wireless Lan ; Energy-Efficient Communication ; Unacknowledged Transmission
  • Là 1 phần của: KSII Transactions on Internet and Information Systems(TIIS), March 2011, Vol.5(3), pp.523-541
  • Mô tả: In current IEEE 802.11 wireless LAN, every unicast transmission requires an ACK from the receiver for reliability, though it consumes energy and bandwidth. There have been studies to remove or reduce ACK overhead, especially for energy efficiency. However none of them are practically used now. This paper introduces a noble method of selective unacknowledged transmission, where skipping an ACK is dynamically decided frame by frame. Utilizing the fact that a multicast frame is transmitted without accompanying an ACK in 802.11, the basic unacknowledged transmission is achieved simply by transforming the destination address of a frame to a multicast address. Since removing ACK is inherently more efficient but less strict, its practical profit is dependent on traffic characteristics of a frame as well as network error conditions. To figure out the selective conditions, energy and performance implications of unacknowledged transmission have been explored. Extensive experiments show...
  • Ngôn ngữ: English

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