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Proliferation of mobile digital devices has posed major challenges for design and implementation of Wireless Local Area Networks (WLANs), leading to stringent quality of service (QoS) requirements. Extreme burstiness and correlation characteristics of multimedia traffics generated by digital devices require accurate modelling and analysis to provide satisfactory end user experience. Most existing...
Wireless Rechargeable Sensor Networks (WRSNs) have attracted increasing research attention in recent years. In WRSNs, a mobile charger is often used to charge the network nodes. To reduce the charging delay, the existing works often formulate the problem as a Traveling Salesman Problem (TSP), where the charger is required to visit the specific positions of the network nodes due to the limited charging...
In Mobile Social Networks (MSN), users can subscribe to online services and receive service data through base stations in addition to exchanging data directly. When multiple users in the same cell subscribe to the same service, the base station needs to forward the service data to all these users individually, leading to low utilization of the wireless resource. In order to improve the bandwidth efficiency,...
Carrier Aggregation (CA) has emerged as a promising technique for Long-Term Evolution Advanced (LTE-A) wireless communications to satisfy the ever-increasing bandwidth requirements. However, this technical envisagement puts forward new challenges on radio resource allocation such as serious unbalanced loads among different Component Carriers (CCs). To alleviate this problem, a novel QoS-aware resource...
Due to the attractive characteristics of high capacity, high-speed, wide coverage and low transmission power, Wireless Mesh Networks become the ideal choice for the next-generation wireless communication systems. However, the network congestion of WMNs deteriorates the quality of service provided to end users. Game theory optimization model is a novel modeling tool for the study of multiple entities...
Wireless mesh networks (WMNs) are emerging as a key technology for the next-generation wireless networks owing to its attractive properties, such as dynamic self-organisation, quick deployment, easy maintenance, low cost, and high scalability. In this paper, we develop an analytical model to investigate the end-to-end delay in a random-access two-tier (i.e., the backhaul tier and access tier) WMN...
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