Title :
Multipolling and OFDMA reservation protocol for IEEE 802.11 networks
Author :
Pérez, David ; Valenzuela, José Luis ; Villares, Javier
Author_Institution :
Univ. Politec. de Catalunya (UPC), Castelldefels, Spain
Abstract :
This paper presents an efficient multipolling scheme that improves the IEEE 802.11 MAC protocol efficiency and does not suffer from the hidden terminal problem or inefficient channel usage problems. To design an efficient polling scheme, the access point (AP) needs to obtain information about the current transmission status and channel state for each station. In this new scheme, we propose the use of multipolling frames in the downlink and orthogonal frequency division multiple access (OFDMA) for the uplink reservation frames in order to reduce signaling overhead.
Keywords :
OFDM modulation; channel allocation; frequency division multiple access; telecommunication signalling; wireless LAN; wireless channels; IEEE 802.11 network; MAC protocol; OFDMA reservation protocol; access point; channel usage problem; downlink reservation frame; hidden terminal problem; multipolling scheme design; orthogonal frequency division multiple access; signaling overhead reduction; transmission status; uplink reservation frame; Access protocols; Downlink; Frequency conversion; Irrigation; Media Access Protocol; Physical layer; Quality management; Quality of service; Resource management; Wireless networks;
Conference_Titel :
Wireless Communication Systems, 2009. ISWCS 2009. 6th International Symposium on
Conference_Location :
Tuscany
Print_ISBN :
978-1-4244-3584-5
Electronic_ISBN :
978-1-4244-3584-5
DOI :
10.1109/ISWCS.2009.5285277