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Energy consumption is a concern with mobile de-vices nowadays. Network interfaces are among the most power hungry components in these devices. In this paper, we describe the design and implementation of a client-centric protocol for energy efficiency. Inspired by earlier work, our protocol works by exploiting the TCP flow-control mechanism to shape incoming traffic into bursts in order to utilize...
In this paper we address the Quality of Service (QoS) issues for applications such as voice and video that generate bursty traffic in mobile ad hoc networks while asynchronous power saving protocols are applied to wireless hosts. To provide QoS, we propose our new quorum-based power saving protocol called "consecutive quorum-based power saving (CQPS)". Within this torus-based protocol each...
Broadcast communication prevails for data dissemination and resource discovery. In mission-critical applications, extensive information sharing and coordination endow broadcast with new features: a large number of active broadcast sources, probabilistic broadcast reception and high receiving rate. We identify this type of broadcast traffic as ASP Bcast traffic. Many efforts have been made to authenticate...
Bandwidth reservation in mobile wireless networks is a very challenging task due to the instability of radio channels, node mobility and lack of coordination between mobile nodes. Previously proposed reservation MAC protocols reserve a slot to each real-time source assuming that the source will use the reserved slot in each super-frame. Since different applications may have different bandwidth requirements,...
The use of automatic repeat-request (ARQ) over a mobile ad-hoc network (MANET) presents unique challenges in handling signaling, connection identification, and implementation. This paper describes the implementation of a selective-repeat ARQ protocol in a mesh MANET called mesh-enabled tactical adaptive - MANET (METAMANET). The mesh MAC operates over the 802.16d physical (PHY) layer. The implementation...
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