HYBRID ORTHOGONAL/RANDOM MULTIPLE ACCESS SCHEME WITH IMPROVED PERFORMANCE FOR DOWNLINK CDMA SYSTEMS

来源 :电子科学学刊:英文版 | 被引量 : 0次 | 上传用户:AHUAYA
下载到本地 , 更方便阅读
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
In this paper, a hybrid orthogonal and random multiple access scheme with improved performance for capacity-enhanced downlink Code-Division Multiple-Access (CDMA) systems is presented, which is in fact a combination of the conventional orthogonal spreadin
其他文献
淮河洪水泛滥和水资源短缺的矛盾长期阻碍区域社会经济的健康发展,使淮河流域的行蓄洪区呈现经济和地理上的“双洼效应”.在淮河流域行蓄洪区实施湿地化,转变其形态和功能,能
In this paper, we present a new deformable model for shape segmentation, which makes two modifications to the original level set implementation of deformable mo
By introducing the bit-level multi-stream coded Layered Space-Time(LST) transmitter along with a novel iterative MultiStage Decoding(MSD) at the receiver,the pa
走航式ADCP(声学多普勒流速剖面仪)和GPS已作为常规的测验仪器在流速、流向和流量测验中被广泛应用。现有的走航式ADCP数据演示方法可提供流速流向图、测船航行轨迹图、大断
Compared with the histogram of Discrete Cosine Transform (DCT) coefficients before the Direct Sequence Spread Spectrum (DSSS) embedding, the peak value of the h
Conventional Synthetic Aperture Radar (SAR) systems cannot obtain high-resolution and wide-swath illumination area due to the well-known minimum antenna area co
南水北调中线某大型渠道倒虹吸管穿越的采砂河段,因采砂活动导致河道地形下降,主河床部位倒虹吸管顶出露,致使河道行洪时倒虹吸管上游河道的水位壅高、河床淤积,而下游河床发生冲
石化行业复杂的生产过程、苛刻的控制条件对控制技术提出了很高的要求,同时也推动了过程控制的理论研究和深入发展。基于先进控制的广泛应用和取得的显著效果,文章对当前各种
Current MSM switching fabric has poor performance under unbalanced traffic. This paper presents an alternative, novel Central-stage Buffered Three-stage Clos sw
This paper investigates the problem of real-time estimation for one kind of linear time invariant systems which subject to limited communication capacity. The c