TY - GEN
T1 - Link-adaptable polling-based MAC protocol for wireless LANs
AU - Kim, Byung-Seo
AU - Kim, Sung Won
AU - Fang, Yuguang
AU - Wong, Tan F.
N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].
PY - 2004
Y1 - 2004
N2 - The IEEE 802.11 standard defines a centralized polling-based channel access method, the Point Coordination Function (PCF), to support time-bounded services. This approach is not efficient due to inefficient polling and large overhead. To design an efficient polling scheme, the Point Coordinator (PC) needs to obtain information about the current transmission status and channel condition for each station. To reduce overhead, it is better to poll all stations using one polling frame containing the transmission sequence. In this paper, we propose an efficient polling scheme, referred to as Two-Step MultiPolling (TS-MP), for the PCF in WLANs. In this new scheme, we propose to use two multi-polling frames for different purposes. The first frame is broadcasted to collect information such as the numbers of pending frames and the physical layer transmission rates for the communication links among all stations. The second frame is broadcasted with a polling sequence for data transmissions designed by utilizing the collected information. Extensive simulation studies show that TS-MP not only overcomes the aforementioned deficiencies, but also help to implement rate adaptation over a time-varying wireless channel © 2004 IEEE.
AB - The IEEE 802.11 standard defines a centralized polling-based channel access method, the Point Coordination Function (PCF), to support time-bounded services. This approach is not efficient due to inefficient polling and large overhead. To design an efficient polling scheme, the Point Coordinator (PC) needs to obtain information about the current transmission status and channel condition for each station. To reduce overhead, it is better to poll all stations using one polling frame containing the transmission sequence. In this paper, we propose an efficient polling scheme, referred to as Two-Step MultiPolling (TS-MP), for the PCF in WLANs. In this new scheme, we propose to use two multi-polling frames for different purposes. The first frame is broadcasted to collect information such as the numbers of pending frames and the physical layer transmission rates for the communication links among all stations. The second frame is broadcasted with a polling sequence for data transmissions designed by utilizing the collected information. Extensive simulation studies show that TS-MP not only overcomes the aforementioned deficiencies, but also help to implement rate adaptation over a time-varying wireless channel © 2004 IEEE.
KW - MAC
KW - PCF
KW - Rate-Adaptive Protocol
KW - Wieless LAN
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UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-18244374748&origin=recordpage
U2 - 10.1109/glocom.2004.1378902
DO - 10.1109/glocom.2004.1378902
M3 - RGC 32 - Refereed conference paper (with host publication)
VL - 5
T3 - GLOBECOM - IEEE Global Telecommunications Conference
SP - 2997
EP - 3001
BT - GLOBECOM'04 - IEEE Global Telecommunications Conference
T2 - 2004 IEEE Global Telecommunications Conference (GLOBECOM'04)
Y2 - 29 November 2004 through 3 December 2004
ER -