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xinhaojiance
- 几种 MIMO 最大似然检测算法性能与复杂度比较及改进,介绍了半定松弛、分枝定界和堆栈三种低复杂度最大似然检测算法,并对其性能和复杂度进行了仿真分析,提出了改进的分枝定界和堆栈算法,仿真结果证明分枝定界和堆栈算法性能要优于半定松弛算法,分枝定界算法的复杂度低于堆栈算法且半定松弛算法以多项式复杂度取得了逼近最大似然的性能,同时改进算法加快了算法收敛速度,降低了计算复杂度和对存储空间的要求。 -Several maximum likelihood MIMO detection algorithm
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
Compressed-sensing
- 非常具有参考价值的文章:压缩感知技术在监控病人体域网方面的应用。-In this paper, we quantify the potential of the emerging compressed sensing (CS) signal acquisition/ compression paradigm for low-complexity energy-efficient ECG compression on the state-of-the-art Shimmer WBSN
Ship-wake-detection
- 提出了一种新颖的基于光学图像的航迹检测方法. 首先利用纹理分析方法判断待检测区域中是否含有航迹, 然后在通过判断的区域中使用条纹增强算法, 凸现航迹特征, 最后使用Radon 变换检测航迹, 并对结果进行了优化. 与现有的检测方法相比, 该方法针对性强, 复杂度低. 使用该方法对实际航拍图片进行了检测实验, 取得了很好的效果.-Track propose a novel detection method based on the optical image. Firstly texture an
Liver-CT-Image
- 提出了一种改进的灰度共生矩阵肝脏CT 图纹理特征分析方法,即首先确定图像ROI 区域,接着构造一个新的能综合反映共生矩阵各角度信息的灰度共生矩阵,然后提取基于该矩阵的纹理特征参数。通过实验验证,上述方法是分析肝脏CT 图的一种快速有效的纹理特征分析方法,对其他特定类别图像的纹理特征分析有参考意义。Radon 变换检测航迹, 并对结果进行了优化. 与现有的检测方法相比, 该方法针对性强, 复杂度低. 使用该方法对实际航拍图片进行了检测实验, 取得了很好的效果.-Track propose a no
Low-Complexity-
- 本文提出了一种低复杂度的变遗忘因子机制用于递归最小二乘恒模约束算法中来抑制干扰。改进的方法通过恒模代价函数的时间平均来调节遗忘因子,从而更快地跟踪干扰并抑制,该文章计算量低,收敛速度快。-This paper presents a low complexity variable forgetting factor recursive mechanism for lscm constraint method to suppress interference. Improved methods be
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
ieee3
- Logarithmical hopping encoding: a low computational complexity algorithm for image compression Jose Javier García Aranda1 ✉ , Marina González Casquete1, Mario Cao Cueto2, Joaquín Navarro Salmerón2, Francisco González Vidal2 1Video Archit
06112200_2013
- Turbo codes have recently been considered for energy-constrained wireless communication applications, since they facilitate a low transmission energy consumption. How- ever, in order to reduce the overall energy consumption, lookup table-log-BCJR
07355304
- We present a novel beamforming technique for multi-user frequency-selective indoor channels called interference-nulling time-reversal (INTR). The beamformer is implemented with a pre-filter designed to minimize the interuser interference pres
PhD_thesis_v5_tg
- PERFORMANCE ANALYSIS OF LOW COMPLEXITY MAXIMAL RATIO TRANSMISSION APPROACHES IN MULTI-RELAY NETWORKS
IOT standards and Architecture 1
- The Internet of Things will bring about billions of connected devices. In the cellular space, machine type communications using LTE is under consideration by many operators. LTE, however, was designed to provide broadband high-speed data service