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In this paper, we investigate the TCP throughput performance enhancement for cognitive radio networks (CRNs) through lower-layer configurations. There is an interaction between TCP and the lower-layer operations. The TCP sending rate at the transport layer determines the packet arrival rate of the lower-layer buffer, and meanwhile it is influenced by the average round trip time and packet loss rate,...
Most of Internet traffics are generated by peer-to-peer(P2P) file sharing applications. The main idea of P2P file sharing applications is that when a peer contributes a file with higher rate, the rate that the peer is able to download files from other peers will also be high. The mechanism works well in a bandwidth symmetric network. However, when a peer shares a large amount of files to other peers...
Multicast support is critical and a desirable feature of multi-radio wireless mesh networks. However, the nature of wireless network, i.e. broadcasting and interference, makes it a challenge to efficiently support multicast services. In this paper, we study how to build a multicast structure with maximum average throughput in terms of minimum transmission time and channel interference in a multi-radio...
Streaming service becomes an essential service in the third-generation cellular mobile network and its evolutions. Packet scheduling plays an important role in radio resource management to guarantee QoS of streaming service. In this paper, a novel fast packet scheduling algorithm called MAF (Minimum Ahead First) is proposed for HS-DSCH (High Speed Downlink shared channel) in HSDPA (High Speed Downlink...
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