Predictive Channel Access in High Bandwidth Wireless LANs

Kabir, Sami; Priom, Munasir Mahtab

dc.contributor.author	Kabir, Sami
dc.contributor.author	Priom, Munasir Mahtab
dc.date.accessioned	2021-10-12T04:31:49Z
dc.date.available	2021-10-12T04:31:49Z
dc.date.issued	2012-11-15
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dc.identifier.uri	http://hdl.handle.net/123456789/1166
dc.description	Supervised by Dr. Muhammad Mahbub Alam, Computer Science and Engineering (CSE), Islamic University of Technology (IUT), Board Bazar, Gazipur-1704. Bangladesh.	en_US
dc.description.abstract	Modern technologies are increasing the Physical Layer (PHY) Data Transmission Rate in Wireless LANs from hundreds of Mbps in current 802.11n to over Gbps[2]. But overhead of MAC such as channel access and ACKs have restricted the proportionate improvement in terms of data throughput efficiency. The efficiency of WLANs has deteriorated from over 80% at 1 Mbps to under 10% at 1 Gbps [1]. It happens due to the allocation of the channel as a single resource at a time in conventional MAC protocol. In high data rate WLAN, the channel is divided into several subchannels based on PHY data rate and frame size so that multiple stations can contend for and use the subchannels based on the condition of their local queues simultaneously leading to improvement of throughput and general efficiency[2] In this paper, we propose Predictive Channel Access (PCA), a new system which constitutes two novel techniques for more efficient handling of media access by using the OFDM based PHY architecture. First, PCA uses Beacon Message which carries some fixed parameters to coordinate subchannel access. Second, the Access Point (AP) has a second antenna, called the listening antenna which facilitates the simultaneous uplink and downlink between AP and stations ensuring enhanced fairness among all nodes.	en_US
dc.language.iso	en	en_US
dc.publisher	Department of Computer Science and Engineering (CSE), Islamic University of Technology (IUT), Board Bazar, Gazipur-1704, Bangladesh	en_US
dc.title	Predictive Channel Access in High Bandwidth Wireless LANs	en_US
dc.type	Thesis	en_US