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Relaying is a promising technology in time-division duplexing long-term evolution-advanced networks to improve cell-edge performance. Owing to the great degree of difference between the transmitting power of evolved node B and relay nodes, uplink performance and downlink performance sometimes cannot be optimised simultaneously. As an important aspect of radio resource management, the conventional...
In this paper, we introduce a test bed of IR-UWB network in China. The communication mechanism between devices is provided through the descriptions of design and implementation details. The performance of this IR-UWB network is evaluated by experiments. In addition, possible optimizations for the UWB network are discussed.
3G mobile communication networks such as UMTS provide wide area Web access. However, Web latency is usually beyond users' tolerable waiting time even in wired networks. In UMTS networks, mainly due to large RTTs and limitations of existing HTTP, Web latency increases dramatically. In this paper, we introduce a Web acceleration scheme, proxy-based object packaging and compression (POPC), for reducing...
In this paper, we described the correlations between user perceived Web response time and the asymmetrical link characteristics. Our study demonstrated that the HTTP compression strongly affects the Web response time when uplink resources are limited. The constraints on uplink degrade Web performance seriously. In addition, we also found that it is possible to reduce Web response time through cross...
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