一种自适应MIMO信号发射与检测方法研究

来源 :电子与信息学报 | 被引量 : 0次 | 上传用户：hello0306

【摘要】

：

无线通信中的多天线(MIMO)技术是提高系统容量的主要方法,在慢衰落信道下可以将接收端获得的信道信息(CSI)反馈到发送端以提高系统的性能.传统的反馈-预编码方案奇异值分解(S

【作者】

：

吕磊

【机构】

：

电子科技大学通信抗干扰国家级重点实验室

【出处】

：

电子与信息学报

【发表日期】

：

2004年期

【关键词】

：

自适应MIMO 统一信道分解(UCD) 空时分组编码天线分组

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

无线通信中的多天线(MIMO)技术是提高系统容量的主要方法,在慢衰落信道下可以将接收端获得的信道信息(CSI)反馈到发送端以提高系统的性能.传统的反馈-预编码方案奇异值分解(SVD)法但受空间相关特性和传统VBLAST系统对收、发天线数目要求的影响而限制了它在实际系统中的应用.该文提出一种自适应多天线传输方案,其采用了统一信道参数反馈模型和空时分组编码(STBC),实现了一种可以用于各种空间相关特性和各种收、发天线数的多天线传输方案可以克服SVD方案的以上缺点.文中仿真也验证了该系统的接收天线可以比发射天线少,并且能够在高相关性信道下工作.

其他文献

DYNAMIC ANALYSIS OF FLEXIBLE BODY WITH DEFINITE MOVING ATTITUTE

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7

期刊

flexible bodyline element vibrationdynamic equationKane's method

一类带服务半径的服务站截流选址-分配问题

主要研究一类带服务半径的服务站截流选址-分配问题(FCLM).首先提出了考虑服务半径d的FCLM模型,并给出了相应的启发式算法.然而对于很多服务站接受服务的客户分为产生于网络

期刊

服务半径截流选址贪婪算法

Reaction Activity of Kaolinite Surfaces:Quantum Chemistry Calculations

The anion-kaolinite surface interactions and AuS- adsorption onto the surfaces of kaolinite were studied using the self-consistent-field discrete variation (SCF

期刊

quantum chemistrykaolinitesurface reactionadsorptionfunctional group

Numerical Simulation of Powder Injection Molding Filling Process Based on ANSYS

A mathematical model of two-dimensional flows of PIM derived from the momentum, continuity equations and theheat transfer equation is obtained. The formula of c

期刊

Numerical simulation

A Study on the Density of Agglomerates Prepared from Cork Wastes

The density of black regranulate (BR) of cork and of black agglomerate (BA) and composite agglomerate (CA) prepared fromsuch a waste by different methods was in

期刊

CorkAgglomeratesDensity

Three-Dimensional Thermo-mechanical Coupled FEM Simulation for Hot Continuous Rolling of Large-Diame

Based on the important boundary conditions of rolling simulation including friction, heat conduction and interactionsof the workpiece and rolls, the hot continu

期刊

Mandrel

Risk factors for lower limb swelling after primary total knee arthroplasty

期刊

total knee arthroplastyswellingrisk factors

Numerical and Experimental Studies of Substrate Melting and Resolidification during Thermal Spraying

A good understanding of melting and resolidification of the substrate will help us to achieve better bonding. Anumerical model is developed to investigate the s

期刊

Thermal spraying

Hemorrhoid sclerotherapy with the complication of abdominal compartment syndrome: report of a case

The complications of injection sclerotherapy for hemorrhoid are always local. Herein, we report a case in which a female patient with abdominal compartment synd

期刊

hemorrhoidsclerotherapycomplicationabdominal compartment syndrome

Near-fatal infection following an elective ankle-fracture fixation: less risk should not mean less v

Surgical fixation of closed ankle fracture is traditionally viewed as having low risk for post-operative infection. Only a few cases of surgical-site confined i

期刊

ankle fracture-fixationbacteremiamethicillin-resistant Staphylococcus aureus e

一种自适应MIMO信号发射与检测方法研究

与本文相关的学术论文