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China Communications

Issue 10 • Date Oct. 2013

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Displaying Results 1 - 23 of 23
  • [Front and back cover]

    Publication Year: 2013, Page(s):c1 - c4
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  • China Unicom [advertisement]

    Publication Year: 2013, Page(s): 1
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  • Workshop of WCEEE 2013

    Publication Year: 2013, Page(s): 1
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  • Table of content

    Publication Year: 2013, Page(s):1 - 4
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  • Briefing on China's satellite communications progress and future

    Publication Year: 2013, Page(s):vi - viii
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  • Space communications and Internet

    Publication Year: 2013, Page(s):ix - x
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  • Relay scheme based on Distributed Luby Transform codes for InterPlaNetary Internet

    Publication Year: 2013, Page(s):1 - 11
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6331 KB)

    Distributed Luby Transform (DLT) codes have been proposed to improve the robustness and system throughputs for multi-source single-sink networks by exploiting the benefits of Network Coding (NC) at a single relay. All the proposed schemes such as the DLT and Soliton-Like Rateless Coding (SLRC) have attempted to maintain Robust Soliton Distribution (RSD) or Soliton-Like Distribution (SLD) for the o... View full abstract»

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  • From the far side of the Moon: Delay/disruption-tolerant networking communications via lunar satellites

    Publication Year: 2013, Page(s):12 - 25
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (683 KB)

    Delay/Disruption-Tolerant Networking (DTN) originated from research on Interplanetary Internet and still today space applications are the most important application field and research stimulus. This paper investigates DTN communications between the Earth and the far side of the Moon, by means of a lunar orbiter acting as relay. After an introductory part, the paper presents a comprehensive analysi... View full abstract»

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  • High-sensitivity acquisition of ultrahigh dynamic direct sequence spread spectrum signals in space communications

    Publication Year: 2013, Page(s):26 - 36
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (718 KB)

    According to the requirements of the high-sensitivity acquisition of Direct Sequence Spread Spectrum (DSSS) signals under ultrahigh dynamic environments in space communications, a three-dimensional joint search of the phase of Pseudo-Noise-code (PN-code), Doppler frequency and its rate-of-change is presented to achieve high sensitivity in sensing high-frequency dynamics. By eliminating the correla... View full abstract»

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  • Cross-layer design and ant-colony optimization based routing algorithm for low earth orbit satellite networks

    Publication Year: 2013, Page(s):37 - 46
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2366 KB)

    To improve the robustness of the Low Earth Orbit (LEO) satellites networks and realise load balancing, a Cross-layer design and Ant-colony optimization based Load-balancing routing algorithm for LEO Satellite Networks (CAL-LSN) is proposed in this paper. In CAL-LSN, mobile agents are used to gather routing information actively. CAL-LSN can utilise the information of the physical layer to make rout... View full abstract»

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  • LTE-satellite: Chinese proposal for satellite component of IMT-Advanced system

    Publication Year: 2013, Page(s):47 - 64
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3946 KB)

    As a complementary to terrestrial mobile communication systems, mobile satellite communication system can fill the gaps that cannot be covered by terrestrial network, and provides an irreplaceable solution for emergency communication in disaster. To pave the road for future satellite/terrestrial integrated communication networks, ITU-R invited proposals for candidate Radio Interface Technology (RI... View full abstract»

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  • Performance of physical-layer network coding in asymmetric two-way relay channels

    Publication Year: 2013, Page(s):65 - 73
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1162 KB)

    In this paper, we study the performance of physical-layer network coding in asymmetric two-way relay channels using four different cases having different poor channels: phase asymmetry, downlink asymmetry, uplink asymmetry and node asymmetry. The decision and mapping rule for symmetric and asymmetric cases are studied. The performance in terms of bit error rate for each case will be studied and an... View full abstract»

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  • Cognition flow in cognitive radio networks

    Publication Year: 2013, Page(s):74 - 90
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5150 KB)

    This paper introduces the research progress on the cognition flow in the National Basic Research Program of China (973 Program) under Grant No. 2009CB320400 “Research on Basic Theories and Key Technologies of Cognitive Radio Networks”. We present the motivation behind the proposal of the concept of cognition flow, provide the definition, discuss the features, behaviours, representati... View full abstract»

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  • Optimal power allocation for multiuser underlay cognitive radio networks under QoS and interference temperature constraints

    Publication Year: 2013, Page(s):91 - 100
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (890 KB)

    Power allocation is an important issue for Cognitive Radio Networks (CRNs), since it needs to consider the Quality of Service (QoS) for Secondary Users (SUs) while maintaining the interference power to Primary User (PU) below the Interference Temperature (IT) threshold. In this paper, based on Euclidean projection, we propose a distributed power control algorithm with QoS requirements to minimise ... View full abstract»

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  • Structural insights on Internet traffic: Community overlapping and correlations

    Publication Year: 2013, Page(s):101 - 114
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6519 KB)

    There is an increasing number of Internet applications, which leads to an increasing network capacity and availability. Internet traffic characterisation and application identification are, therefore, more important for efficient network management. In this paper, we construct flow graphs from detailed Internet traffic data collected from the public networks of Internet Service Providers. We analy... View full abstract»

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  • Frame aggregation scheme based on dynamic pricing

    Publication Year: 2013, Page(s):115 - 124
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (601 KB)

    Frame aggregation is a wireless link optimization mechanism that aims to reduce transmission overheads by sending multiple frames as the payload of a single MAC frame. It is considered as one of the most efficient methods to improve the wireless channel utilization and the throughput of wireless networks. The static assignment of frame aggregation parameters can result in delay penalties due to va... View full abstract»

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  • Ranking potential reply-providers in community question answering system

    Publication Year: 2013, Page(s):125 - 136
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2014 KB)

    Community Question Answering (CQA) websites have greatly facilitated users' lives, with an increasing number of people seeking help and exchanging ideas on the Internet. This newly-emerged community features two characteristics: social relations and an ask-reply mechanism. As users' behaviours and social statuses play a more important role in CQA services than traditional answer retrieving website... View full abstract»

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  • Capacity region of a class of Gaussian cognitive degraded broadcast channel

    Publication Year: 2013, Page(s):137 - 144
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (429 KB)

    This paper studies the cognitive broadcast channel in which the primary user communicates to the primary receiver, while the secondary user has noncausal knowledge of the primary radio's codeword and expects to communicate to two secondary receivers. Comparing with the existing cognitive radio channel which considers only one secondary receiver, cognitive broadcast channel studies the case that th... View full abstract»

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  • Auto-aligned sharing fuzzy fingerprint vault

    Publication Year: 2013, Page(s):145 - 154
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2886 KB)

    Recently, a cryptographic construct, called fuzzy vault, has been proposed for crypto-biometric systems, and some implementations for fingerprint have been reported to protect the stored fingerprint template by hiding the fingerprint features. However, all previous studies assumed that fingerprint features were pre-aligned, and automatic alignment in the fuzzy vault domain is a challenging issue. ... View full abstract»

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  • Fast residual quad-tree coding for the emerging high efficiency video coding standard

    Publication Year: 2013, Page(s):155 - 166
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (479 KB)

    In High Efficiency Video Coding, the Residual Quad-Tree (RQT) coding is used to encode the prediction residual for both intra and inter Coding Units (CU) and provides improved coding gains. However, this results in much higher computational complexities. To address this problem, we develop two fast RQT algorithms for intra- and inter-prediction residual coding respectively. For intra coding, the p... View full abstract»

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  • QoS routing algorithm with multi-dimensions for overlay networks

    Publication Year: 2013, Page(s):167 - 176
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8582 KB)

    Overlay networks have emerged as a useful approach to providing a general framework for new applications and services that are to be implemented without significantly changing the IP-layer network infrastructure. Overlay routing has been used as an alternative to the default best effort Internet routing for the absence of end-to-end Quality of Service (QoS). While the former has recently been inve... View full abstract»

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  • China Unicom: Education informatization

    Publication Year: 2013, Page(s):1 - 2
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  • Workshop of WCEEE 2013

    Publication Year: 2013, Page(s): 1
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Aims & Scope

China Communications, published in English and in conformance with IEEE editorial standards, covers innovative technologies and systems in the broad field of Information- Communication Technology (ICT).

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Chen Junliang