搜索资源列表
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
DVB
- 通过分析8PSK 调制方式的载波恢复、定时恢复算法, 提出了一种适用于新一代数字卫星电视标准DVB S2 的全数字解调算法, 改进了相位频率检测( PFD) 算法以适合于8PSK 解调. 载波恢复采用频率检测( FD) 和相位频率 检测相结合的结构, 跟踪范围超过1 倍符号率. 采用Gardner TED 算法进行定时恢复.-By analyzing the 8PSK modulation carrier recovery, timing recovery algori
Ashort-timeFouriertransformbasedsymboltimingaproac
- A short-time Fourier transform based symbol timing approach for OFDM systems
1
- Coarse Symbol Timing Synchronization (CSTS) algorithm for OFDM systems that is robust to a multi-path fading channel
7-Timing_Recovery
- timing recovery Symbol Timing Synchronization 1 2
synchronization
- GARDNER algorithm used the timing of the simulation module, enter each symbol four sampling points, by interpolation, the output value of one sample
CMMB
- 为了减少无线信道中存在的多径和频偏对中国移动多媒体广播(CMMB)系统传输信号同步的影响，本文结合CMMB标准协议规定的具体帧结构，分析了符号同步对系统的影响，讨论了传统最大似然(ML)算法的优缺点，并基于文献中的无数据辅助算法，提出了一种适合该系统并且复杂度较低的粗符号定时同步算法。仿真结果表明，在AWGN及多径信道环境下，新算法可以有效克服传统算法相关峰不明显的缺陷，其估计性能更好-In order to reduce the influence for synchronization of
Freq-and-timing-recovery
- 文章介绍了平坦衰落下的频偏和同步联合恢复技术，能够有效应对时变的信道，并且不需要训练序列，给出了详细的仿真和分析，供大家学习-Two open-loop algorithms are developed for esti- mating jointly frequency offset and symbol timing of a linearly modulated waveform transmitted through a frequency-fl at fading
ML-estimation
- ofdm系统下经典的同步方法：基于前导序列的定时同步，符号同步-ofdm systems classical synchronization: Based on the leading sequence timing synchronization, symbol synchronization
CarrierTimingRecovery
- 学通信的必看，几乎涵盖了同步的所有方面，包括符号定时和载波同步，老外总结的，很不错！-Learning to communicate Watchable, covering almost all aspects of synchronization, including symbol timing and carrier synchronization, foreigners summarize, very good!
gardnertimingdetector
- This paper presents the simulation performance of the all-digital symbol timing recovery using the Gardner Timing Error Detector over π/4-DQPSK modulation. The open loop statistics, the S-curve and the normalized timing error variance, were investiga
05386026
- In a series of papers in recent years new structures for coherent M-PSK (M-ary Phase Shift Keying) receivers were suggested. These include structures for carrier phase detectors for the carrier PLL (Phase Lock Loop), carrier PLL lock dete
01096561
- A simple algorithm for detection of timing error of a synchronous, band-limited, BPSK or QPSK data stream is proposed. The algorithm requires only two samples per symbol for its operation. One of the two samples is also used for the symbol d
High-Speed-All-Digital-Symbol-Timing-Recovery-Bas
- High Speed All Digital Symbol Timing Recovery Based on FPGA
97325516
- A Novel Time and Frequency Synchronization Scheme for OFDM Systems A new training symbol is designed and a novel time and frequency synchronization scheme for orthogonal frequency division multiplexing systems is proposed. The time synchroniza
FWu_PGNET07
- Time and Frequency Synchronization Techniques for OFDM Systems operating in Gaussian and Fading Channels: A Tutorial The aim of this paper is to survey and compare previous methods for Data-aided timing and frequency synchronization of O
STUDY AND ANALYSIS OF TIMING OFFSET ESTIMATION METHODS IN OFDM SYSTEMS
- OFDM is a multi-carrier transmission technique. It converts the frequency selective fading channel into a collection of parallel flat fading sub-channels which simplifies the structure of a receiver. OFDM has been widely used in communication system
Timing_sync_802_wlan_multipath
- Timing Synchronization for 802.11a WLANs under Multipath Channels In the Wireless Local Area Network (WLAN) standard adopted by the IEEE 802.11a standardization group, each data packet starts with a preamble, which consists of ten short train
Offset-CS-Algorithm-in-LTE
- ：LTE(Long Term Evolution，长期演进)系统中的小区初始搜索过程通过分别检测主同步信号(Primary Synchronization Signal，PSS)和辅同步信号(Secondary Synchronization Signal，SSS)来完成，搜 索结果包括小区组ID、符号定时、频偏估计、组内小区ID以及帧定时[1]。然而，若接收信号 1IDN 2IDN 中存在整数倍频偏，则由于时域的相位旋转，主
Multirate-digital-filters
- 本文描述了使用多相滤波器组实现数字接收机中的符号同步的方法。(This paper describes the use of a polyphase filter- bank to perform the interpolations required for symbol timing synchronization in a sampled-data receiver.)