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Due to the lack of criterion on the efficiency of UHF RFID systems in dense environment, this paper shows a novel test method for UHF EPC C1 G2 RFID readers in a dense environment. A new parameter based on identification rate that describes the performance of readers working in dense environment is demonstrated and a new test method to generate this parameter is given. Experiment show that this test...
Multipath transport can simultaneously utilize many interfaces of a terminal to maximize the transfer throughput. However, when sharing the same bottleneck link with single-path flows, the multipath flows will occupy more network bandwidth and it will lead to the unfairness of resource allocation. In this paper, we propose a Congestion Control method with Fairness (CCMF) for multipath transport. CCMF...
This paper proposes a downlink mapping algorithm for two-level requests in Orthogonal Frequency Division Multiple Access based IEEE 802.16e systems under the Adaptive Modulation and Coding (AMC) mode by which the modulation and coding scheme (MCS) of a user may be different for available subchannels. Given a set of requests each with two priorities, the proposed algorithm efficiently allocates a two-dimensional...
This paper proposes an efficient downlink resource allocation scheme for Orthogonal Frequency Division Multiple Access based WiMAX systems using the Adaptive Modulation and Coding mode operation. Given a set of user requests, the proposed algorithm determines the modulation scheme and allocates a two-dimensional (time and frequency) burst to each user. It is known that finding the optimal solution...
Emerging high-density WLANs in urban areas and enterprises offer great potential to accommodate the anticipated explosion of demand for wireless data services. To make it successful, it is critical that the network utilizes the limited radio resources efficiently while satisfying predefined quality of service (QoS) requirements. In this paper, we develop a real time and open ended algorithm for joint...
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