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In this letter, we design a segment training based individual channel estimation (STICE) scheme in the classical three-node it amplify-and-forward two-way relay network (TWRN). We resort to linear minimum-mean-square-error (LMMSE) estimators to achieve the in-channel estimation without sign ambiguity through two consecutive segments. We derive the mean-square-error (MSE) of the individual channel...
Many applications based on internet need to use the large-scale data delivery mechanism. How to obtain the better delivery performance with the limited network resources has become a "hot spot" in the research community of network information flow. This paper put forward a low cost network coding algorithm based on the key link and its distribution implementation. When construct the transmission...
The internet IP multicast technology has been extended to the field of wireless mobile. High performance routing algorithm is important for multimedia multicast in mobile wireless internet environment. This paper proposes a high performance multicast routing algorithm in mobile IP environment based on the super node set, which can reduce the cost of multicast generation tree, and greatly reduce the...
Content distribution system can transmit large files rapidly between multiple users, and it has become the most widely used in internet. As a novel technology in communications, network coding technology has received widespread attention in academia. How to use network coding technology in P2P content distribution system is the hot focus of study. This paper propose a network coding algorithm based...
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