ID	原文	译文
5414	为了解决密集组网与负载不均衡所引发的小区边缘用户与重负载小区用户性能较差的问题，提出了一种体验质量感知的云无线接入网视频协作缓存与传输机制。	To improve the poor performance of cell-edge users and heavy-load cell users, which caused by dense network and load imbalance respectively, an QoE-aware video cooperative caching and transmission mechanism incloud radio access network was proposed.
5415	该机制通过建立协作增益感知的虚拟无源光网络，采用光域和无线域协同的方式为视频内容提供协作缓存与传输；	Cooperative gain-aware virtual passive optical network was established to pro-vide cooperative caching and transmission for video streaming by adopting collaborative approach in optical domain andwireless domain.
5416	进而，联合优化用户视频体验、带宽配置与缓存策略，分别在光域和无线域采用动态预缓存及缓冲水平感知的带宽配置方式，达到提高用户体验质量的目的。	Furthermore, user experience for video streaming, bandwidth provisioning and caching strategy werejointly optimized to improve QoE, which utilized the methods of dynamic caching in optical domain and buffer lev-el-aware bandwidth configuration in wireless domain.
5417	结果表明，所提机制能够有效地提高缓存命中率，增强用户体验质量。	The results show that the proposed mechanism enhances the quali-ty of user experience and effectively improves the cache hit rate.
5418	针对多信道车联网的数据传输需求，提出了 V2R/V2V 数据传输调度算法。	Considering that the data dissemination in multi-channel VANET (vehicular ad hoc network), a cooperativedata dissemination scheduling algorithm was introduced for V2R(vehicle to roadside unit) and V2V(vehicle to vehicle).
5419	算法首先根据车辆的数据传输请求生成初始调度操作，依初始调度操作之间的冲突关系构建初始调度冲突图和冲突矩阵。	The algorithm created initial scheduling operators according to data requisition of vehicles.
5420	其次，在证明冲突矩阵具有半正定性的基础上，采用半定规划方法进行信道分配并完善调度冲突图。	Then, initial collision graphand collision matrix were generated based on the conflict among initial scheduling operators.
5421	最后，根据车辆在服务区域的滞留时间和请求传输的数据量赋予其不同的服务权重，依据调度冲突图，结合 V2R/V2V 协作传输的方式分时完成调度。	After proving the positive semidefinite of collision matrix, SDP (semidefinite programming) was used to channel allocation and collision graph cre-ation. The algorithm then assigned weights for each data requisition according to dwell time and data volume of vehiclesin RSU service region. Furthermore, it selected maximum weighted independent set of collision graph. The goal was tosatisfy the most urgent data requisitions by V2R/V2V cooperate transmission.
5422	交通仿真实验表明，所提算法可以有效利用车联网的多信道特性，通过 V2R/V2V 协作传输调度改善了网络服务容量。	Transportation simulation results demon-strate that the proposed solution effectively promotes the service capacity by utilizes the multichannel of VANET andV2R/V2V transmission scheduling.
5423	无线紫外光散射通信系统具有严重的码间干扰和信号衰减问题，	There are serious intersymbol interference (ISI) and signal attenuation in wireless ultraviolet communica-tion system.