TY - GEN
T1 - A proposal of WLAN control scheme using separated channel
AU - Huang, Minzhi
AU - Miyake, Yuji
AU - Kameda, Suguru
AU - Taira, Akinori
AU - Suematsu, Noriharu
AU - Takagi, Tadashi
AU - Tsubouchi, Kazuo
PY - 2014/6/25
Y1 - 2014/6/25
N2 - In WLAN systems, distributed coordination function (DCF) is used to avoid transmission collision. When an error occurs, the transmitter extends its contention window for the next retransmission to avoid more errors. But this may cause an unfairness problem; in noisy conditions MTs may find it difficult to get transmission opportunities, especially in a heterogeneous network with a large number of WLAN access points (AP). In this paper, a new control scheme with separate control channel for WLAN is proposed. When a receiver detects a transmission error, it replies special signal via the control channel to abort transmission of corrupted data. This way the transmission of corrupted data can be reduced. Thus the it is no longer necessary to change contention window size and all MTs have the same probability to get transmission opportunities. The simulation results show that by using this technique, the average throughput of MTs whose packet error rates (PER) are larger than 0.3 can be at least 2 times compared with conventional scheme.
AB - In WLAN systems, distributed coordination function (DCF) is used to avoid transmission collision. When an error occurs, the transmitter extends its contention window for the next retransmission to avoid more errors. But this may cause an unfairness problem; in noisy conditions MTs may find it difficult to get transmission opportunities, especially in a heterogeneous network with a large number of WLAN access points (AP). In this paper, a new control scheme with separate control channel for WLAN is proposed. When a receiver detects a transmission error, it replies special signal via the control channel to abort transmission of corrupted data. This way the transmission of corrupted data can be reduced. Thus the it is no longer necessary to change contention window size and all MTs have the same probability to get transmission opportunities. The simulation results show that by using this technique, the average throughput of MTs whose packet error rates (PER) are larger than 0.3 can be at least 2 times compared with conventional scheme.
KW - CSMA/CA
KW - Contention Window
KW - Control Channel
KW - WLAN
UR - http://www.scopus.com/inward/record.url?scp=84944321962&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84944321962&partnerID=8YFLogxK
U2 - 10.1109/PIMRC.2014.7136537
DO - 10.1109/PIMRC.2014.7136537
M3 - Conference contribution
AN - SCOPUS:84944321962
T3 - IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
SP - 2194
EP - 2198
BT - 2014 IEEE 25th Annual International Symposium on Personal, Indoor, and Mobile Radio Communication, PIMRC 2014
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2014 25th IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communication, IEEE PIMRC 2014
Y2 - 2 September 2014 through 5 September 2014
ER -