• A new receiver structure was proposed for adaptive smart antennas in CDMA mobile communication systems, requiring only the knowledge of the desired user's pseudo noise (PN) code sequence.

    利用码分多址(CDMA)系统中的用户伪随机(PN)码信息,提出了一种新的自适应智能天线结构。

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  • Wideband Code Division Multiple Access, or W-CDMA, is a cellular network supporting a wide range of voice, video and data services.

    W - CD MA是一种支撑各种各样语音、视频和数据服务的蜂窝网络;WiMAX是一种支持各种各样器件中接入互联网的无线技术。

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  • In order to expand the group of ades on communication system with asynchronous code division multiaddress (CDMA), the possibility of using chaotic spreading sequences was researched.

    为了增加异步码分多址通信系统的可用码组,研究了在该系统中使用混沌扩频序列的可能性。

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  • Spreading code design and joint detection are two efficient ways to increase CDMA system capacity in multi-path fading channels.

    在多径衰落信道CDMA系统中,扩频码设计与联合检测为提高系统容量的两个重要手段。

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  • Based on OOC code, this paper proposes a coding scheme of wireless optical CDMA by using prime frequency hopping.

    以ooc编码为基础,利用素数跳频技术,提出一种三维无线光cdma编码方案。

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  • The performance representation indicating the effects of correlation of orthogonal code modulation sequences on MAI suppression in nonsynchronous CDMA system has been derived.

    本文推导非同步c D M A系统多址干扰表达式,计算正交码调制码组相关性对多址干扰的影响。

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  • The design of spread spectrum code sequence is constructing pseudo-random sequence which is possessed of different structure and good performances in order to satisfy the need of CDMA system.

    扩频码序列的设计就是构造不同结构的具有良好特性的伪随机序列来满足CD MA系统的要求。

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  • Multi-access interference is the key problem which restricts the performance of CDMA (code division multiple access) system.

    多址干扰是影响码分多址系统性能的关键问题。

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  • Initial synchronisms of CDMA communication system receiver include PN code sync, symbol sync, frame sync, sync of scramble code, and so on.

    CD MA通信系统接收机的初始同步包括PN码同步、符号同步、帧同步、和扰码同步等。

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  • In direct sequence code division multiple access (DS-CDMA) communications, blind signal detection and interference cancellation are the important methods to increase system capacities.

    在直扩码分多址(DS - CDMA)通信中,盲信号检测及干扰抑制技术是增加系统容量的重要手段。

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  • This paper puts forward the concept of MC CDMA system, that can both measure distance accurately with PN code and transmit High speed data.

    提出了多载波码分多址测控通信系统的概念。该系统不但能完成伪码精确测距,而且能进行高速数据传输。

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  • An adaptive congestion control algorithm in code division multiple access (CDMA) systems from the aspect of reducing cost is proposed.

    从降低开销的角度出发,提出了一种自适应的码分多址(CDMA)系统拥塞控制算法。

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  • A near maximum-likelihood (ML) multiuser detection algorithm based on unconstrained optimization approach is proposed for code-division multiple access (CDMA) systems.

    针对码分多址(CDMA)系统提出了一种基于无约束最优化的近最大似然多用户检测算法。

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  • The dynamic sequential allocation algorithm is presented according to the feature of W-CDMA OVSF code and code blocking in the stochastic allocation. The algorithm flow is specified.

    文章通过研究W-CDMA系统OVSF码的特性,针对随机动态分配算法存在码阻塞的问题,提出了动态有序分配算法,并对该算法的流程给予了详细的描述。

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  • Direct sequence code division multiple access (DS/CDMA) as a technique for underwater acoustic networks is attracting attention from researchers.

    直接序列码分多址(DS/CDMA)是一种受关注的水下声通信网多址接入方案。

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  • The effects of hidden terminals on the network′s performance can be greatly reduced by using code division multiple access (CDMA) in multihop wireless networks.

    在多跳分组无线网中使用码分多址(CDMA)技术可以明显地降低隐终端问题对网络造成的影响。

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  • The feasibility criterion of power control in interference-limited direct sequence code division multiple access (DS-CDMA) systems is investigated.

    研究了直接扩频码分多址(DS - CDMA)干扰受限系统的功率分配的可行性问题。

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  • A multiple access interference (MAI) cancellation algorithm employing Gram-Schmidt algorithm for code division multiple access (CDMA) systems is presented.

    提出了码分多址(CDMA)系统中一种基于克莱姆·施密特正交化法则的多址干扰抑制算法。

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  • The joint power and data rate allocation in code division multiple access(CDMA) systems was studied.

    研究了码分多址(CDMA)系统中下行联合功率速率分配问题。

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  • A downlink admission control (ac) algorithm is proposed in code division multiple access (CDMA) systems, that is based on multi-cell transmitted power raised estimation.

    提出了一种在码分多址(CDMA)系统中,基于多小区功率增长估计的下行接纳控制(AC)算法。

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  • In this paper, we employ wavelet networks for demodulation of DS CDMA(direct sequence code disivion multiple access) signals in a multi access environment.

    本文将子波网络用于实现DSCDMA系统信道中多用户的信号检测。

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  • As the PN-code high performance of long period and the coherence, the very long distance and high precision ranging can be reached at the same time. Multi-target TT&C can be reached by CDMA of PN.

    由于伪随机码固有的测距能力——其长周期和互相关特性,使得在测距距离和精度方面可以同时提高,采用码分多址技术可以实现对多个目标同时进行测控。

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  • There is every indication that Direct-Sequence Code Division Multiple Access (DS-CDMA) will be one of the multiple access schemes for the third generation wireless mobile systems.

    对于第三代无线移动通信系统,直接序列码分多址将是一种主要的接入技术。

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  • The scheme encodes data according to the multi-carrier code division multiple access (MC-CDMA) approach and transmits the labeled data.

    该方法对发端各节点的数据以多载波码分多址(MC- CDMA)方式编码,并进行贴标发射。

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  • In this paper, a low-complexity blind channel estimation technique is proposed for long-code MIMO CDMA systems.

    该文提出一种用于多输入多输出CD MA系统的信道快速盲估计方法。

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  • Two multiple access techniques are analyzed in the context of this paper: Orthogonal frequency division multiplexing (OFDM) and code division multiple access (CDMA).

    介绍了无线接入网中的两种关键技术:OFDM(正交频分复用)和CD MA(码分多址)。

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  • Code division multiple access (CDMA) has received a great deal of attention asan access method for the third-generation mobile communication systems.

    码分多址(CDMA)技术作为第三代移动通信系统的主要接入方式,受到了人们的密切关注。

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  • In a word, TDCS is a spectrum agile and broadband Code Division Multiple Access (CDMA) technology.

    总而言之,TDCS是一种具有频谱自适应能力的宽带码分多址系统。

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  • The multiple carrier hybrid PRMA and CDMA protocol is presented based on packet reservation multiple access (PRMA) and code division multiple access protocol.

    在分析分组预约多址协议和码分多址的基础上,提出一种多载波分组预约多址与码分多址混合的多址协议。

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  • The multiple carrier hybrid PRMA and CDMA protocol is presented based on packet reservation multiple access (PRMA) and code division multiple access protocol.

    在分析分组预约多址协议和码分多址的基础上,提出一种多载波分组预约多址与码分多址混合的多址协议。

    youdao

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