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MIMO based MANET has received a great deal of attention in the past decade, resulting in a number of MAC layer protocols that aim to utilize the inherent capabilities afforded by multi-antenna enabled nodes. Many of these MAC protocols look to improve on the total number of concurrent links within the network. In this paper, we present a theoretical approach for identifying the maximum number of concurrent...
As wireless systems continue to proliferate, interference management is becoming a concern in both military and commercial domains. This paper introduces a novel cognitive coexistence framework between infrastructure and ad hoc networks. Based on sensing and predicting the ad-hoc networkpsilas activity, the infrastructure system allocates power and transmission time such as to minimize its impact...
Cooperative diversity is a form of distributed spatial diversity achieved by cooperative communication among mobile users in cellular or wireless data networks. The problem of selecting suitable partners for a cooperative strategy is more complex when prospective partners have links of dissimilar quality to a central destination, leading to the possibility of non-reciprocal cooperation. We analyze...
Layer 2 radio resource allocation schemes being used in mobile ad hoc networks (MANET) do not always take into account the quality of service (QoS) requirements of network traffic. As an example, the current USAP (unifying slot assignment protocol) slot allocation scheme is QoS-unaware. Consequently the scheme could grant available slots to lower priority traffic instead of higher priority traffic...
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