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广播与电视技术 2000年第9期27卷 47-52页

作者：侯自强中科院声学所

5 卫星宽带IP接入网通信卫星可以分为近地轨道卫星和静止轨道卫星两大类.静止轨道卫星上行通道需要大型天线在因特网只主要用于干线传输,或以广播卫星进行单向的因特网数据广播.做为宽带IP接入网只能采用近地轨道卫星.

关键词：局域网宽带接入网 IP网

Thinking About Developing 3G and Broadband Wireless Access Technologies

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ZTE Communications 2004年第2期2卷 50-52,55页

作者： hou ziqiang (Institute of Acoustics,Chinese Academy of Sciences,Beijing 100080,China)

It is wise for fixed operators to make use of broadband wireless access technologies,such as IEEE802.16d,to develop mobile access based on their existing fixed broadband IP *** operators have to evolve their networks from 2G to 3G for making full use of their current resources. However,the AII-IP core network will be a general trend since broadband wireless access adopts the connectionless statistical packet multiplexing *** on the introduction of IEEE802.16d,High Speed Downlink Packet Access (HSDPA) and CDMA2000 1x EV-DV technologies,this paper discusses the development trend of broadband wireless access technologies, and concludes that 3G's packet access technologies are the same as IEEE802.16d/e,and AII-IP is the *** emphasizes that Chinese TD-SCDMA should develop toward connectionless statistical packet multiplexing as early as possible.

关键词： HSDPA rate IEEE GPP Thinking About Developing 3G and Broadband Wireless Access Technologies WCDMA Access SCDMA UTRAN UMTS OFDM MBWA

The Progress of P2P IPTV

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ZTE Communications 2006年第3期4卷 10-13页

作者： hou ziqiang (Institute of Acoustics,Chinese Academy of Sciences,Beijing 100080,China)

The development of IPTV is restricted by the bottleneck of I/O of the client/server mode. On the other hand,the development of P2P Internet TV has achieved great progress in China. P2P TV means to develop IPTV based on the P2P Internet TV concept and technology. P2P IPTV is expected to be the top layer innovation and lead the development trend in the world.

关键词： The Progress of P2P IPTV

A Grouped Scale-adaptive Phase-based Stereo Matching Method

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A Grouped Scale-adaptive Phase-based Stereo Matching Method

从WiMAX到LTE不同宽带无线接入技术殊途同归

1998 Fourth International Conference Signal Processing

作者： XU Yanjun DU Limin hou ziqiang JIN Guichang The institute of Acoustics Chinese Academy of Sciences The institute of Biophysics Chinese Academy of Sciences

＜正＞Phase-based stereo matching algorithms are the state-of-the-art stereo techniques, which have the advantage of high accuracy,dense disparity map and parallel computing *** to the usual phase wraparound problem in phase-based method,one way is to adopt a coarse-to-fine strategy, which is efficient but not robust;another is to exploit a scale-adaptive strategy,which is robust but inefficient. In this paper we put forward a grouped scale-adaptive strategy,which integrates the advantages of the previous two strategies into a mixture version. Computer simulation shows that this stereo matching algorithm could obtain accurate disparity estimation robustly and efficiently.

关键词：

来源： cnki会议评论

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cnki会议

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电信科学 2005年第10期21卷 18-21页

作者：侯自强中国科学院北京100080

游牧和移动宽带无线接入将成为未来通信市场的重要需求。WiMAX正是针对这一需求而专门发展的,其性能强、效率高、成本低,具有灵活的体制,可通过配置满足各种应用场景的要求。同样,为了进入宽带无线接入市场,3GPP首先发展了被称为3.5G的H... 详细信息

游牧和移动宽带无线接入将成为未来通信市场的重要需求。WiMAX正是针对这一需求而专门发展的,其性能强、效率高、成本低,具有灵活的体制,可通过配置满足各种应用场景的要求。同样,为了进入宽带无线接入市场,3GPP首先发展了被称为3.5G的HSDPA技术(可以大幅度提高分组数据的传输速率),2004年底又决定发展长期演进(LTE)计划,其指标和技术都与WiMAX相近,可以说是殊途同归。面对LTE的竞争,WiMAX要想在宽带无线接入市场中占有一席之地必须拥有好的频率,使用地面电视广播频率可提供大面积覆盖,降低成本。

关键词： WiMAX 802.16d/e 3G 高速下行分组接入高速上行分组接入正交频分多址宽带无线接入技术 LTE 移动宽带无线接入 HSDPA技术

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NGN业务模型变化和电信变革

电信科学 2005年第6期21卷 1-4页

作者：侯自强中国科学院北京100080

NGN(下一代网络)采用集中控制的统一的承载网提供综合业务,解决了QoS(服务质量)、安全性和可管理问题,但这种集中管理模式部分削弱和丧失了互联网无所不在的性能,不能有效地支持以P2P为代表的互联网新应用和机—机业务。此外,NGN按服务... 详细信息

NGN(下一代网络)采用集中控制的统一的承载网提供综合业务,解决了QoS(服务质量)、安全性和可管理问题,但这种集中管理模式部分削弱和丧失了互联网无所不在的性能,不能有效地支持以P2P为代表的互联网新应用和机—机业务。此外,NGN按服务质量和使用量收费的业务模型,不适应目前消费类宽带业务的发展,以宽带接入包月为代表的互联网运营模式强烈冲击传统电信业务模式,动摇了NGN业务模型的基础。NGN需要并行发展具有分布管理能力的下一代互联网,利用互联网作为基层承载网,在其上应用层建立重叠网支持P2P应用和提供分布式管理,面向广大消费者提供固定和移动宽带互联网业务,支持机—机的各种应用,充分发挥互联网无所不在的优势。

关键词：业务模型 NGN 电信集中管理模式下一代互联网服务质量下一代网络分布式管理宽带互联网综合业务集中控制管理问题宽带业务业务模式运营模式宽带接入管理能力承载网 P2P QoS 安全性使用量消费类重叠网

THE DETECTION OF SIGNALS AND ESTIMATION OF PARAMETERS IN A RANDOMLY SPACE-TIME VARIANT CHANNEL

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Chinese Journal of Acoustics 1985年第1期 52-61页

作者：侯自强

The detection performance of matched filter will be degraded and the errors of estimated para-meters of matched filter will be increased in a randomly space-time variant *** paperdiscussed this *** architecture and performance of optimum space-time processor are givenin this *** way to construct a practical system is *** paper corrects some am-biguous concepts on scatter function expression of partial coherence channel in some papers.

关键词： time data THE DETECTION OF SIGNALS AND ESTIMATION OF PARAMETERS IN A RANDOMLY SPACE-TIME VARIANT CHANNEL

宽带IP接入网技术进展——局域网接入将成为宽带接入下一波(上)

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广播与电视技术 2000年第8期27卷 56-59页

作者：侯自强中科院声学所

本文综合评述了城市接入网现有的几种形式 ,着重介绍了 L AN直接接入法。作者认为 ,现有的各种电信接入网和广播电视分配网都可以被考虑改造用作宽带 IP接入网。但这些方法的带宽能力有限 ,只能是一段时期内使用的过渡性方法。从发展来... 详细信息

本文综合评述了城市接入网现有的几种形式 ,着重介绍了 L AN直接接入法。作者认为 ,现有的各种电信接入网和广播电视分配网都可以被考虑改造用作宽带 IP接入网。但这些方法的带宽能力有限 ,只能是一段时期内使用的过渡性方法。从发展来看 ,最近快速兴起的光缆到大楼局域网接入方案是最有发展前途的。

关键词：宽带IP接入网局域网宽带接入

Mobile Internet Oriented 3G Teleco 2.0

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ZTE Communications 2009年第4期7卷 13-15页

作者： hou ziqiang (Institute of Acoustics , Chinese Academy of Science , Beijing 100080 , P . R . China )

Mobile Internet will be the killer application of 3G. For the mobile Internet, the business model of telecom operators has to evolve to Teleco2.0. IP Multimedia Subsystem (IMS) will be used mainly for VIP and enterprise customers. Mass-oriented entertainment and new media services will be based on the Intelligent Node Overlay Node (INON)/Distributed Service Network (DSN). The core network will be flat, with an evolution route from Internet High Speed Packet Access (I-HSPA) to System Architecture Evolution (SAE), and even the Internet can be used as the core network. The low-cost mobile phone can be accessed to HTTP Internet by using 'client end software + portal'model with cloud computing. Flat rate will be the only fee model to be accepted by customers, and cheap and reasonable prices will contribute to the development of mobile Internet.

关键词： HSPA Access IMS SGSN Mobile Internet Oriented 3G Teleco 2.0 DSN RNC IP

THE GENERALIZED PHASE SPECTRUM METHOD FOR TIME DELAY ESTIMATION

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Chinese Journal of Acoustics 1984年第1期 33-50页

作者：赵真侯自强

The concept of the Generalized Phase Spectrum(GPS)TDE is put *** variance ofthe GPS TDE is *** relation between the GPS TDE and the GCC TDE is *** signal model is *** method of Amplitude Square(AS)weighting for TDE isproposed and the comparison between the AS TDE and the Phase Data(PD)TDE is made in the mul-tipath *** results of theoretical calculation and computer simulation experiment showthat the performance of the AS weighting TDE is superior to that of the PD *** TDE can effi-ciently utilize single chip FFT processor to simplify the signal processing equipment,mitigate com-putation load and raise estimate speed for TDE.

关键词： THE GENERALIZED PHASE SPECTRUM METHOD FOR TIME DELAY ESTIMATION CRLB