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On the Energy Detection of Unknown Signals Over Fading Channels
- On the Energy Detection of Unknown Signals Over Fading ChannelsAbstract—This letter addresses the problem of energy detection of an unknown signal over a multipath channel. It starts with the no-diversity case, and presents some alternative closed-fo
QAM
- 重点研究了全数字QAM接收机中的两个关键技术——符号同步和信道盲均衡。研究Gardner定时误差检测算法，盲均衡方面，重点研究了CMA及其改进算法，采用MMA算法和DD-LMS算法联合均衡-Focuses on the all-digital QAM receiver in the two key technologies- the symbol synchronization and channel blind equalization. Research Gardner timing err
MIMOMRC
- 研究相关瑞利衰落信道上MIMO系统中组合发射机选择合并(SC)／4t-收机最大比合并(MRC)的天线分集系统性能。使用矩生成函数方法，推导相关瑞利衰落信道上采用组合SC／MRC天线分集和相干检测的M 进制相移键控(MPSK)，M进制正交幅度调制(MQAM)，M 进制脉冲幅度调制(MPAM)等几种M 进制数字调制方式的误符号率精确表达式。数值计算结果阐明相关性和天线阵结构对采用组合SC／MRC天线分集的几种M 进制数字调制方式的平均误符号率性能的影响。-Research related to Ra
rssd
- 降状态序列检测（RSSD）是一种减少信道码译码网格状态数形成更小的结构的一种方法。-Reduced-state sequence detection, or RSSD, is a method of reducing the state trellis of a channel code to a smaller structure.
Speech_Enhancement_Using_Sub-band_Spectral_Analysi
- 提出一种有效的语音增强算法，该算法使用重叠相加FF-r滤波器进行谱幅度估计，给出噪声估计的两个均值参数，此参数适用于任何噪声．而且进行噪声估计无需检测语音间隙，无需VAD的运算过程，克服了单信道噪声 压缩算法的缺点．-An effective speech enhancement algorithm using the overlap-add FF-r filter in spectral amplitude estimation, given the noise mean estimate
decoding_performance
- Implementation of symbol by symbol detection, sequence detection, and Viterbi algorithm in channel with ISI and compare performance based on SNR, channel taps, and packet size.
wcdmathesis
- In this thesis a signal level simulator in uplink is implemented according to the physical layer specification of the IMT-2000 WCDMA system. The analytical WCDMA system through the use of linear algebra techniques is shown. Channel model is built on
12864lcdand7289
- 综合应用ADC转换器、一线制数字温度检测模块、键盘和LED数码管显示以及中文液晶显示，从而构成一个比较复杂的电压检测、温度转换、结果显示的单片机综合应用系统。通过该实验的学习，使用者可基本掌握单片机前向通道的信号处理和处理结果的输出-Integrated application ADC converter, front-line system, digital temperature detection module, the keyboard and LED digital tube disp
alowcomplexitydecodingarithmforOSTBCinfrequencycho
- 频率选择性衰落信道中一种低复杂度的正交空时分组码译码算法。该方案借鉴D-BLAST系统的检测方法，采用干扰抵消和干扰置零方法消除多径干扰，从而有效地检测出期望信号，译码复杂度低。有创新，希望给研究OSTBC译码的同志带来帮助。-Frequency-selective fading channel a low-complexity orthogonal space-time block code decoding algorithm. The program builds on D-BLAST s
BAS
- These cooperations are facilitated by dynamically and opportunistically assigning one of the secondary users as a relay to assist the other one, which results in more efficient spectrum hole detection. Also, we investigate the impact of erroneous
LabVIEW
- 为一基于LabVIEW构架的多道心电生理记录仪开发及临床应用文章，叙述了在labview开发平台上实现心电图检测的程序框图。-LabVIEW-based framework for multi-channel ECG recorder physiological development and clinical application of the article, described in the labview development platform to achieve ECG dete
MIMO-chafenjiance
- 本文提出了一种无需信道估计的分布式MIMO差分编码及检测方法。-This paper presents a distributed channel estimation without differential encoding and detection method for MIMO.
8tongdao
- 8通道自动温度检测系统仿真（含原程序和proteus仿真）-8-channel automatic temperature detection system simulation (including the original program and proteus simulation)
abc
- 摘要：频谱检测技术是认知无线电中极其重要的环节。而协作式的频谱检测由于其良 好的检测性能日益受到人们的关注。基于能量检测，协作频谱检测的算法主要有：与 (AND)算法、或(OR)算法、计数算法、分区算法、似然比算法、线性加权算法和分布式 无线通信系统(DWCS)算法。分析表明，这些协作检测算法能够改善系统的检测性能、 减低干扰冲突、提高频谱利用率。-Knot current spectrum within the detection area, the main sorting
MIMO-Channel-Models
- 内容包括：多天线信道和相关，相关模型，簇模型，信道探测，实验验证-Include: multi-antenna channel and the correlation model, cluster model, channel detection, experimental verification
robust-MIMO-detection
- 在多输入多输出系统中的鲁棒球形译码的实现-We present a maximum-likelihood decoding algorithm for an arbitrary lattice code when used over an independent fading channel with perfect channel state information at the receiver. The decoder is based on a bounded distanc
energyy-detection
- Bit Loading The amount of bits that can be carried per channel depends upon the SNR at that particular frequency, lower SNR levels may need more power to transmit data and since each frequency is subject to an overall power limit, those frequencies
MIMO-detection-algorithm
- MIMO检测算法，联合多种调制方式，仿真对象为相应的误码率和容量等。-scr ipt for computing the BER for BPSK modulation in a Rayleigh fading channel with 2 Tx, 2Rx MIMO channel Maximum Likelihood equalization
SP-apply-to-ISI-channel-
- 和积算法应用在ISI信道检测上，首先进行调制，然后利用和积算法进行检测译码，最后看误码率-SP algorithm on the ISI channel detection, first of all be modulated, and integrated algorithm is then used for testing decoding, finally the bit error rate
ENERGY-DETECTION
- Spectrum sensing is the basic and essential mechanisms of Cognitive Radio (CR) to find the unused spectrum. This paper presents an overview of CR architecture, discusses the haracteristics and benefits of a CR. Energy detectionbased spectrum sensing