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- downlink uplink 上下行
- Coupling can happen at different places of the uplink and downlink channels. 上下行信道之间产生耦合的原因有多种，避雷设施的安装不当也是其中之一。
- The BSS supports both downlink and uplink discontinuous transmission. 基本业务区支持下行和上行的不间断传输。
- Telstar 11 was a straight repeater with a 6.5-GHz uplink and a 4.1-GHz downlink. 通讯卫星2号是有着6.;5吉赫兹的上行线4
- Therefore, the relationship between uplink and downlink is the base and strength element of MLM system. 所以上下线传销商之间的关系，是多层次传销组织发展的最基本的架构，也是最主要的力量。
- The quality of assets not only sensitive to economic cycles uplink, downlink will be equally sensitive. 资产质量不仅对经济周期上行敏感，对下行也会同样敏感。
- In mobile computing environment,the resources of downlink and uplink are limited. 移动计算环境中上下行通信链路资源有限,通信链路频繁断连。
- Time Division Multiple-Access（TDMA） is compared with the MIMO enable system in uplink and downlink. 在MIMO系统中分析比较了时分多址（TDMA）的多用户实际可达的传输速率。
- Every single state will affect the relationship between uplink and downlink on how they build up, maintain and expend. 各个互动阶段，牵涉上下线的关系是如何形成、建立、维持、拓展。
- When RF traffic on either the CDMA uplink or downlink approaches capacity, Audio Quality degrades due to high speech frame erasures. 当无线信号业务量在CDMA上链或者下链容量接近饱和的时候，话音质量的下降归因于高语音帧删除率。
- The key advantage of CDMA/TDD system is to accommodate asymmetric traffic by allocating number of uplink and downlink channels. 摘要:CDMA/TDD系统的主要优点是它藉由分配上下传通道的数目提供非对称的流量需求。
- Communication link consists of transmitting earth station, uplink, satellite transponder, downlink and receiving earth station. 空间通信链路是由发端地球站、上行线路、卫星转发器、下行线路和收端地球站所组成的整个链路。
- The time slots in each super-frame are allocated for downlink and uplink and for different radio technologies (e.g., W-CDMA and OFDM) based on loading. 基于负载，为下行链路和上行链路以及不同的无线电技术(例如，W-CDMA和OFDM)分配每个超帧中的时隙。
- According to the characteristics of satellite communication system,the feasibility of uplink and downlink signal which are scouted and interfered is analyzed. 卫星通信网是一个规模大、造价高的复杂通信系统,计算机仿真技术作为一种辅助手段具有非常重要的作用。
- The TDD-CDMA system with unbalanced slot allocation between uplink (UL) and downlink (DL) will cause the cross-slot interference which may be inferior to system. TDD-CDMA系统的上下行时隙的不对称性可以造成严重的交叉时隙干扰。
- Uplink cross-pol interference is usually occurred at one or several certain carriers, and downlink cross-pol interference usually affects the whole receiving frequency band. 上行反极化干扰通常只出现在一个或某几个载波上，下行反极化干扰通常影响整个接收频段。
- During each state when we are the uplink then we need to think how to lead the downlink into the whole system and make them become one of the whole system. 传销商经历各不同的阶段时，也要考虑当自己是别人的上线时，该如何引导他的下线进入组织中并使之成为组织体系中的一分子。
- A new beamforming method for CDMA downlink systems is proposed. 摘要提出了一种应用于下行链路的波束形成新方法。
- An analog signal and digital signal acquisition system is designed for automobile testing based on single-chip C8051F021, employing CAN bus for uplink and downlink. 摘要利用C8051F021，设计了用于机动车检测现场的模拟和数字信号的采集系统，用CAN总线实现与上位机的数据交换。
- It is theoretically analyzed that achievable rates in multiuser Multiple-Input Multiple-Output（MIMO） Systems.The achievable rate in uplink and downlink channel will be obtained. 摘要 理论地分析计算了多输入多输出（MIMO）系统中多用户的最大可达传输速率，其中分别包括上行和下行速率。
