Title :
Using power priorities to improve slotted ALOHA in wireless networks with QoS guarantees
Author :
Sánchez, Jaime ; Gallardo, José R. ; Troncoso, Jorge Flores
Author_Institution :
Electron. & Telecommun. Dept., CICESE Res. Center, Ensenada, Mexico
fDate :
29 June-1 July 2002
Abstract :
A fundamental part of a wireless system is the MAC protocol, whose main goal is to let the users quickly and orderly gain access to the needed bandwidth to transmit their information. The main problem in wireless communications is to overcome the disadvantage of the hostile characteristics presented by the radio channel. This paper deals with the proposal of a retransmission algorithm based on power priorities (RAPP), to be used along with S-ALOHA for the retransmission of the request packets sent by remote terminals to a base station (BS) in a WATM network. WATM is used in this work as a test platform, but RAPP is general enough to be applied in other scenarios as well. The performance of RAPP is analyzed and compared with that of the binary exponential retransmission algorithm, highlighting the advantages presented by RAPP in a WATM environment.
Keywords :
access protocols; asynchronous transfer mode; mobile radio; packet radio networks; quality of service; telecommunication traffic; time division multiple access; MAC protocol; QoS guarantees; RAPP; S-ALOHA; TDMA; WATM network; binary exponential retransmission algorithm; medium access control protocols; power priorities; radio channel; request packets retransmission; retransmission algorithm; slotted ALOHA; wireless asynchronous transfer mode; wireless communications; wireless networks; Access protocols; Bandwidth; Base stations; Media Access Protocol; Performance analysis; Proposals; Testing; Wireless application protocol; Wireless communication; Wireless networks;
Conference_Titel :
Communications, Circuits and Systems and West Sino Expositions, IEEE 2002 International Conference on
Print_ISBN :
0-7803-7547-5
DOI :
10.1109/ICCCAS.2002.1180649
