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Today's IEEE 802.11 Wireless LAN (WLAN) is an excellent solution for the broadband wireless networking. However, it lacks of the capability to support real-time services such as Voice-over-IP (VoIP) properly. In this paper, a novel link-layer packet segmentation method is proposed to promote the performance of VoIP which do not influence non-real-time application much. In this method the channel utilization...
Inter-vehicle communication (IVC) technique is getting increasing attention. Inspired by cross-layer design, receiver-initiated MAC and fragment burst of IEEE 802.11, a new MAC protocol supporting priority differentiation for IVC based on IEEE 802.11 is proposed in this paper. With this approach, top priority applications can be relayed from source car to destination with minimum contentions, redundant...
At present, IEEE802.11 has three high-speed PHY specifications: 802.11b, 802.11a, and 802.11g. Although 802.11b/g has 11 channels in the 2.4 GHz unlicensed band, there are only 3 non-overlapping channels. The limited number of usable channels may have a significant impact on throughput in 802.11b/g dense wireless local area networks and wireless personal area networks (WLAN/WPANs) and self-interference...
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