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OFDM
- OFDM和多址技术的结合能够允许多个用户同时共享有限的无线频谱，从而获得较高的系统容量。-OFDM and multiple access technologies combined to allow multiple users to simultaneously share the limited wireless spectrum, and thus obtain a higher system capacity.
CDMAchannel
- 语音编码为信源编码，是将模拟信号转变为数字信号，然后在信道中传输。在数字移动通信中，语音编码技术具有相当关键的作用，高质量低速率的话音编码技术与高效率数字调制技术相结合，可以为数字移动网提供高于模拟移动网的系统容量。目前，国际上语音编码技术的研究方向有两个：降低话音编码速率和提高话音质。-Speech coding for source coding is the analog signal into a digital signal, and then in the channel trans
On.Capacity.Under.Received-Signal.Constraints
- this paper speaks about spectrum-sharing approach, this paper investigates the behavior of capacity under received-power constraints, modeling for example the maximum interference that one system may inflict on another.
capacitymimo
- This paper deals with the capacity behavior of wireless Orthogonal Frequency Division Multiplexing (OFDM)-based spatial multiplexing system when considering realistic channel delay profiles. In both the SISO and the MIMO contexts, we compare the
MIMORayleighFadingChannelCapacity
- MIMO channel capacity for rayleigh fading system
329282MIMO
- 传输环境是移动通信中的重要参数,采用了一种更加普遍的多入多出(MIMO)系统传输模型,在此基础上深入讨论了MIMO的信道结构、系统性能和传播环境之间的关系,指出了针孔信道存在的条件,最后通过仿真指出了在不同的信道条件下MIMO系统的容量别。 -Transmission environment is an important parameter in mobile communications, using a more general Multiple Input Multiple Outp
RAKE_FPGA
- RAKE技术与CDMA系统相结合，能够带来系统容量和通信质量的极大提 高。根据军事通信中对设备便携性及低功耗的特殊要求，本文研究了一种便携式 基站的收发系统，重点研究了其中的RAKE接收部分。给出了系统的发送方案和 接收方案，对接收机部分所涉及的关键技术和算法，包括数字下变频技术、匹配相关技术、多径搜索技术、信道估计技术、解调及多径合并技术进行了较为详细的分析和说明。在此基础上，运用VHDL语言进行了硬件平台上FPGA部分的功能实现，并对整个系统进行了调试，给出了一些相关的仿真及测试
OFDM
- OFDM正交多载波传输技术具有抗无线传输多径效应影响的能力，正逐步成为各种宽带无线数字传输系统-OFDM Orthogonal multi-carrier transmission technology with anti-multipath effects of wireless transmission capacity, is becoming a variety of broadband wireless digital transmission system
B09025
- communication system is expected to increase the service, the quality improvement and also the capacity, using spread spectrum communication system is one of the method to fulfill that demand. This quality and capacity factor will depend on the numb
16QAM
- 讨论了"’+,- 调制时应用不同类型和参数的滤波器对系统性能的影响/针对"’+,- 的特点.采用 了存储波形累加求和法来代替一般的滤波成形.提高了调制速度/并利用其相位对称的特点将波形存储表压 缩为原容量的"0$.有效地节约了存储空间-Applications are discussed " ' +,- modulation type and parameters of different filters on the system performance/characte
BTS3012SurveyGuideHuaweiGSMforfirstimplementation
- BTS3012 Survey Guide V5.0 is for the new construction and capacity expansion projects for Huawei BTS3012 products. Product Introduction BTS3012 dual density carrier indoor macro BTS is a new large-capacity, high-density and high-performan
MIMO-xiangguanxinggenxi
- 该文章针对散射及天线环境情况引起的不同相关性 对MIMO系统进行仿真，分析系统容量。适合该方面初学者学习。-The article and the antenna for the scattering caused by different environmental conditions related to the MIMO system simulation, analysis system capacity. Suitable for beginners to learn in that
Kluwer-Academic---System-On-A-Chip-Verification--
- The design capacity that can be realized on a single integrated circuit (IC) at deep sub-micron (DSM) technology levels makes it feasible to integrate all major functions of an end product in a single system-on-a-chip (SOC). But the evolution to
Capacity-of-Cellular-Systems
- info. on gsm cellular system user carrying capacity
Monitor-system-of-fairway
- 为了有效控制运河航行秩序, 解决船舶乱停乱靠问题, 本文设计了远程无线数字视频监控和广播系统,实现了对运河航道的24h实时监控, 提高了管理效率, 增强了航道通航能力。-In order to effectively control the canal navigation order, solve ship stop chaos to chaos on the problem, this paper introduces the design of the remote wireless di
capacity-of-frequency-selection-channel
- With the higher and higher of transmitting rate, the signal bandwidth iswider and wider, and the p ractical channel p resents the frequency selective fading character. In this paper, a multi - input multi - output (M IMO) channelmodel under frequ
MIMO_performance
- mimo 系统容量分析 包括各种情况的讨论-mimo system capacity analysis includes discussion of a variety of situations
-MIMO-system
- CSI对MIMO系统容量影响的仿真与分析-Simulation and Analysis for MIMO system capacity CSI effect
Computer-Relay-Protection-System
- 随着电力系统的发展，电网的容量，电压等级不断提高，大型高压变压器作为电能传送的枢纽，它的安全运行与否，直接关系到电力系统能否连续稳定地工作。特别是由于大型变压器结构复杂、造价昂贵，一旦发生严重故障而损坏，将给维修工作带来很大困难，造成经济上的重大损失。微机继电保护系统作为一种能反映电力系统故障和不正常状态、及时动作于断路器跳闸或发出信号的自动化设备能自动、迅速和有选择地切除故障组件，使系统免遭损坏。因此对于研制开发性能优良的变压器微机保护装置具有十分重要的现实意义。 本论文在现有的变压器主、
AN ENERGY EFFICIENCY MOBILE CLUSTERING SYSTEM FOR WSN
- In recent years, research on wireless sensor networks has increased significantly because it offers the advantage of monitoring a wide variety of environments to detect physical phenomena. Wireless sensor networks consist of many sensor nodes where e