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Improving the capacity of wireless networks is critical and challenging. Although wireless standards such as IEEE 802.11 allow the use of multiple channels at the physical layer, current Media Access Control (MAC) and routing protocols of mobile ad hoc networks have mainly been developed to run over one channel. In this paper, we design a unified MAC and routing framework to exploit the temporal and...
Due to the dynamically varying network topology ofad-hoc networks, the admitted quality of service suffers from frequent path breaks that require network re-establishment over new paths. Thus, rendering ad-hoc networks inappropriate for real-time interactive sessions, e.g., video or audio calls. TORA is a distributed, loop-free, multipath routing protocol for multi-hop networks which supports both...
In this paper, we propose an adaptive pacing scheme at the link layer for IEEE 802.11 based multihop wireless networks. Our objective is to improve the performance of higher layer protocols without any modifications to them. Our adaptive pacing scheme estimates the four-hop transmission delay in the network path without incurring any additional overheads, and accordingly paces the packets to reduce...
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