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PhDThesisforLDPC
- 硕士学位论文:LDPC码在瑞利衰落信道中的性能分析 信道编码技术可以带来编码增益，节省宝贵的功率资源，己经成为现代数字 通信系统中必不可少的关键技术。LDPC码采用低复杂度的迭代译码算法，且具有 逼近香农限的性能.由于LDPC码具有诸多优点，它在信息可靠传输中的良好应 用前景己经引起学术界和rr业界的高度重视，成为当今信道编码领域最受瞩目的 研究热点之一。 本文主要探讨了LDPC码在瑞利衰落信道中的性能，基于LDPC码的分组空 时码系统，以及基于LDPC码的正交频
space
- 完成对发送数据符号的空时编码 实现空间复用和分集增益-Send data to complete the symbol space-time coding and spatial multiplexing diversity gain
matched_filter
- This demo introduces Matched Filter in CDMA system schemes wherein the data stream is subdivided into independent sub-streams, one for each transmit antenna employed. As a consequence, they provide a multiplexing gain and do not require explicit orth
MIMO-OFDM-Systems-Based-on-Preamble-
- MIMO OFDM 技术将成为第4 代移动通信系统的关键技术, 因MIMO OFDM 对时间和频率偏移非常敏感, 因此MIMO OFDM 同步显得尤为重要。提出了一种新的MIMO OFDM 定时同步和频偏同步技术。以GCL 序列为基础设 计了一个新的符合MIMO OFDM 同步技术的导频序列, 通过对该导频序列进行2 次相关得到频率估计, 并将所得频率 运用到定时同步中, 得到更为准确的时间估计
04595048
- the achievable rate of a K-user interference channel with single antenna at individual node is studied. Interference alignment and zero forcing are applied at the transmitter and receiver, respectively. It is well known from the paper [1] of
4x4mimo
- A 2x2 multiple-input multiple-output (MIMO) architecture using dual-polarized antennas (DPAs) is considered with orthogonal frequency division multiplexing (OFDM). The performance of DPAs is evaluated for adaptive polarization (AP) transmissi
4_X_4_4_QAM-_MMSE_FEC
- THIS CODE SIMULATE A COMPLETE MIMO SYSTEM (MULTIPLEXING GAIN),AND AN ADDITIVE 1/2 FEC WAS USED ,THE RESULTS COMPARED WITH MMSE DETECTOR WITHOUT FEC,THE VITERBI DECODER WAS USED AT THE RECEIVER
AAA
- In this letter, we propose a simple orthogonal frequency-division multiplexing (OFDM) scheme for an asynchronous cooperative system, where OFDM is implemented at the source node, and time-reversion and complex conjugation are implemented at the rel
fuyong
- 大规模MIMO系统中，发射端、接收端采用QPSK调制、解码方式，使用Alamouti预编码算法，经过瑞丽衰落信道的复用性能matlab仿真。-The simulation of multiplexing gain that signals which are moduled by QPSK transmitt via Rayleigh channel in a massive MIMO system.
generalised.RAR
- Abstract—A generalised spatial modulation (SM) scheme with multiple active transmit antennas, named as multiple activespatial modulation (MA-SM), is proposed in this paper. By allowing multiple transmitting antennas in the SM system to transmit
00554481
- he fabrication and performaince of a semiconductor optical amplifier for wavelength conversion in subcarrier multiplexed system is described. The amplifier is of the buried facet design and has p o ~ a r ~ ~ a ~anido nre flectivity gain ripple
AAA
- In this letter, we propose a simple orthogonal frequency-division multiplexing (OFDM) scheme for an asynchronous cooperative system, where OFDM is implemented at the source node, and time-reversion and complex conjugation are implemented at the rel
MIMO-performance
- MU-MIMO is widely considered a key technology for system capacity improvement in modern wireless networks. In contrast to SU-MIMO, where the spatial multiplexing gain is confined to a single user, MU-MIMO allows multiple users to be co-sche