Hongguang Lan

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There will be a great of Heterogeneous networks in Next Generation Network. Mobile Satellite system (MSS), great supplement of terrestrial network, provide large scale network coverage and is able to support IP multimedia services. We propose a SIP-based soft handoff scheme for integrated architecture of MSS and UMTS, as well as add satellite access gateway(More)
In this paper we mainly discuss the adaptability of LTE services in satellite communications systems. Four groups of LTE services are introduced, including the service aspects and transport requirements. Meanwhile several satellite systems are also listed in this paper. Based on these parameters and conditions, the adaptability of LTE services in mobile(More)
Since video products compressed by H.264/AVC become increasing popular, issues of authentication for H.264/AVC-based video will be very important. In this paper, a content-based authentication semi-fragile watermarking scheme for H.264/AVC video is proposed. The content-based authentication code is generated using the invariance of the relation between DCT(More)
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