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In typical home power-line communication (PLC) networks using contention-based access methods, providing quality-of-service (QoS) to high-priority users often comes at the expense of reducing the throughput of low-priority users. This paper proposes a cross-layer protocol which involves interaction between the physical (PHY) and the medium-access-control (MAC) layers, for ensuring politeness of the...
Multiple non-interfering channels are available in 802.11 and 802.15.4 based wireless networks. Capacity of such channels can be combined to achieve a better performance thus providing a higher quality of service (QoS) than for a single channel network. However, existing routing protocols often are not suited to fully take advantage of these channels. The proposed multi-interface multi-channel routing...
A novel adaptive distributed rate and power control (ADRPC) protocol is introduced for wireless networks. The proposed controller contrasts from others by providing nonlinear compensation to the problem of transmission power and bit-rate adaptation. The protocol provides control of both signal-to-interference ratio (SIR) and quality-of-service (QoS) support to bit-rate adaptation. Bit-rate adaptation...
A novel adaptive and distributed fair scheduling (ADFS) scheme for wireless sensor networks is shown through hardware implementation. In contrast to simulation, hardware evaluation provides valuable feedback to protocol and hardware development process. The proposed protocol focuses on quality-of-service (QoS) issues to address flow prioritization. Thus, when nodes access a shared channel, the proposed...
A novel optimized energy-delay sub-network routing (OEDSR) protocol for wireless sensor networks (WSN) is presented. Routing is based on a link cost factor, which is defined using the quality of service (QoS) metric selected as a ratio of the remaining energy of the nodes and end-to-end delay times the distance from the base station (BS). Initially in OEDSR, the nodes are either in idle or sleep mode,...
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