ID 原文 译文
57588 在给定信息传输的块长度和天线数量条件下,WET WIT 所用时隙数存在最优值. It is shown that there are optimum num?bers of channels uses for WET and WIT for given packet length of information transmission and the num?ber of antennas.
57589 针对多用户无线供电通信网络系统中的交叉耦合干扰问题,提出了一种基于时间反演技术联合优化上、下行时间分配和功率分配方案,以最大化上行加权和速率. A jointly optimize time and power allocation in uplink and downlink scheme combined with time reversal technique is proposed to solve the cross-link interference problem in multi-user wireless powered communication networks and maximize the uplink weighted sum-rate.
57590 利用时间反演特有的空时聚焦性抑制交叉耦合干扰;然后建立优化模型,将难以求解的加权和速率问题转化为最小均方误差问题; Using the unique time- space focusing of time reversal to suppress the cross-link interference firstly,an optimization model is then established,thus the non-convex weighted sum-rate problem transformed into weighted minimum mean square error problem is solved.
57591 最后通过分级逐次优化变量,分别求出功率和时间的最优解. The optimal solution of power and time can be obtained separately by grad- ing optimize variables sequentially.
57592 仿真结果表明,在引入时间反演技术抑制系统的交叉耦合干扰后,系统的平均加权和速率明显提升. Simulations show that the system average sum-rate significantly im- proved after introducing the time reversal technique to suppress the cross-link interference.
57593 认知无线电可通过频谱感知提高资源利用率,但会产生感知能耗,降低传输能量. Cognitive radio can improve spectrum utilization through sensing spectrum,but it may generate circuit energy consumption,which decreases transmission energy.
57594 为了保证认知无线电的传输性能,提出认知无线电可利用多载波实现无线携能通信,并分配通信资源,实现系统性能优化. In order to guarantee transmission per- formance,a multi-carrier is proposed to realize simultaneous wireless information and power transfer whose optimal performance can be achieved through communication resource allocations.
57595 认知无线电利用部分子载波传输信息,采集剩余子载波上主用户射频能量,补充感知耗能. Cognitive radio uses some subcarriers to transmit information and collect the primary user radio frequency energy on the remaining subcarriers to supplement the perceived energy consumption.
57596 提出的子载波和子载波功率联合优化算法,在保证能量、干扰和总功率受约束的基础上,可最优化系统的吞吐量和能量. A joint optimization algorithm of subcarrier set and subcarrier power is proposed,which can maximize system performance subject the con- straints of energy,interference and total power. Simulations show that energy harvesting may occupy trans- mission resources,a reasonable allocation of subcarriers is required to achieve a tradefoff between rate and energy.
57597 仿真结果表明,能量采集会占用传输资源,需要合理分配子载波,使其在速率和能量间取得性能折中.提出的算法通过采集能量补充感知能耗有效地提高了系统吞吐量. The proposed algorithm effectively improves system throughput by collecting energy to supple- ment sensing energy consumption.