ID 原文 译文
14525 仿真结果表明,该方法利用多个基站能在室外NLOS环境中实现较高定位精度。 Simulation results show that the proposed method can achieve higher positioning accuracy in outdoor NLOS environment by using multiple base station．
14526 针对下行协作D2D(Device-to-Device)异构网络中复用蜂窝用户的联合资源分配和功率控制问题,提出了一种量子珊瑚礁优化算法(Quantum Coral Reef Optimization Algorithm,QCROA)。 For the problem of joint resource allocation and power control for multiplexing cellular users in adownlink cooperative device－to－device( D2D) heterogeneous network，a quantum coral reef optimizationalgorithm( QCＲOA) is proposed．
14527 首先,构建异构网络模型并推导得到整个网络总吞吐量的数学表达式。 First，a heterogeneous network model is constructed，and the mathematicalexpression of the total throughput of the entire network is derived．
14528 其次,基于QCROA算法分析全局最优量子珊瑚的测量状态,提出最优联合资源分配和功率控制方案。 Second，based on the QCＲOA algorithm，the global optimal quantum coral measurement status is analyzed，and an optimal joint resource allocationand power control scheme is proposed．
14529 最后,通过仿真验证QCROA算法的优越性。 Finally，the superiority of QCＲOA algorithm is verified through simulation．
14530 实验结果表明,在不同网络通信场景下,QCROA算法均表现出良好的适应性,其收敛速度和种群多样性均优于其他基于智能优化算法的方案,在迭代次数达到1 500次时即可获得吞吐量最高的全局最优。 The experimental results show that the QCＲOA algorithm exhibits good adaptability under different network communication scenarios，and its convergence speed and population diversity are superior to thoseof other intelligent optimization algorithm－based solutions，and the global optimum with the highest throughput can be obtained when the number of iterations reaches 1 500．
14531 多元低密度奇偶校验(Non-binary Low-density Parity-check,NB-LDPC)码在中短码情况下性能优于传统二元LDPC码,更接近香农限。 In the case of medium and short codes，non －binary low －density parity －check ( NB －LDPC)codes perform better than traditional binary LDPC codes，and closer to the Shannon limit．
14532 针对多元LDPC码码率兼容(Rate-compatible)的问题,提出了一种基于比特级的新型多元打孔算法。 In terms of non－binary rate－compatible LDPC( NB－ＲC－LDPC) codes，a novel bit puncturing algorithm is proposed．
14533 首先采用二进制镜像矩阵概念对多元校验矩阵进行映射处理,再根据变量节点的度分布选择合适的打孔节点,从而实现比特级多元LDPC码码率兼容的打孔方案。 The concept of binary mapping is applied to the non－binary parity－check matrix，and a set of bit－wise nodesare punctured according to the degree of variable nodes，resulting in NB－ＲC－LDPC codes with the higherrate code embedded in the lower one．
14534 仿真结果证明与基于符号级的多元打孔算法相比,所提方案的误码率性能在各个码率分别有0.2～0.4 d B的增益。 Simulation results show that gains of 0．2 ～ 0．4 dB are obtained interms of the bit error rate( BEＲ) compared with the symbol－wise performance．