中继节点的选择是协作通信中的重要问题。
Relay selection is a crucial challenge in cooperative communication.
这样，卫星在SBS2的覆盖区域内选择中继节点。
In this case, satellite selects a relay node in the coverage region of SBS2.
由于中继节点的物理特性和低功耗要求，中继部署具有很高的自由度。
Due to compact physical characteristics and low power requirements of the relay nodes, the relay deployment has a high degree of freedom.
因此，对信源和中继节点之间的功率优化分配有着极其重要的现实意义。
Therefore, there is great practical significance on optimal power allocation between source and relay nodes.
该协作MAC协议还考虑了如何通过中继节点的选择尽量避免干扰的问题。
Moreover, this cooperative MAC layer protocol concerns how to mitigate interference problem by selecting different relay nodes.
目的节点可以利用源节点和中继节点的信息进行联合译码，我们称之为网络LDPC编码。
Then the destination node jointly decodes the messages from the source and relay nodes. We call such a procedure as a network LDPC code.
通过新的硬件协议和存储控制协议减轻了节点的存储压力，降低了网络编码对中继节点的要求；
The new hardware protocol and storage controlling protocol can lessen the storage pressure of the node and lower the requirements of the network coding on the relay.
另外，对于多源多宿的多播网络而言，在中继节点实施无线网络编码还可以提高系统的吞吐量。
On the other hand, for the multi-source multi-destination multicast network, applying the wireless network coding to the relays can help to enhance the network throughput.
该方案在中继节点处将多个时刻接收的信息分别进行信道编码，再将所有码字进行网络编码后转发。
The information received by the relay node in different time is coded with a channel coding method. Then all the codes are forwarded after network coding.
在无线中继网络中采用网络编码技术，可在不损失分集增益的前提下有效提高中继节点的转发效率。
In the wireless relay network, the transmission efficiency of the relay node can be improved effectively without loss of diversity gain via the network coding technique.
本文主要围绕协同通信中的协同节点(中继节点)的选择问题进行了研究，主要分析了系统的误码率。
This thesis focus on how to selection collaborative communication nodes (relay nodes) carried out researching, and focus on the analysis of the BER.
由于中继节点的参与，该协议可充分利用多用户协作的空间分集和出错重传所带来的时间分集和编码增益。
As the relay node's involvement, the agreement can take full advantage of multi-user cooperative spatial diversity and the time diversity and coding gain from retransmission mechanism.
基于分级调制的中继协作技术可以很好地利用无线信道的广播特性和中继节点的位置优势来对抗信道衰落。
Cooperation with hierarchical modulation can employ broadcasting characteristics of wireless channel and location advantage of relay node to confront fading.
针对无线传感器网络高能效传输要求，提出了一种基于虚拟多输入多输出（MIMO）传输的协作中继节点选择算法。
A partners choice algorithm is proposed based on cooperative multi-input multi-output(MIMO) transmission in energy-constrained sensor networks.
该方法在中继节点通过校验码等方式判别来自两个终端的数据包是否正确解码后，自适应地进行网络编码、中继转发处理。
Traditional network coding has a limited application for assuming the input packets from two destination nodes can be simultaneously decoded correctly at the relay node.
为进一步改善基于网络编码的无线中继系统的误比特（BER）性能，可在中继节点处采用联合网络—信道编码方法，这也是近年来的研究热点之一。
In order to improve the BER performance of the relay network, joint network coding and channel coding can be used in the relay node, which has been received much attention during the past few years.
提出时分多址方式下由固定中继节点支持的透明模式下的随机接入协议，通过中继节点与用户间的合作重传来解决多个用户同时接入发生碰撞的问题。
A new random access protocol assisted by fixed relay stations under the transparent mode in multi-hop relay networks over the time division multiple access was presented.
OMRS算法选择源节点-中继节点-目的节点的端到端瞬时信噪比最大的最佳中继，而ABRS算法选择中继节点-目的节点的平均信噪比最大的最佳中继。
The optimal relay is chosen based on the source-relay-destination end-to-end instantaneous SNR in OMRS, while ABRS selects relay based on the relay-destination average SNR.
为所有中继路由器分配一个泛播地址，将它们当作一个逻辑节点，借助泛播路由以最短路径到达该逻辑节点。
In this paper, all the relay routers are taken as a virtual node by assigning them an anycast address which is accessed along the shortest path by anycast routing.
移动节点使用其中的一个频率作为中继来实现它和SBS2之间的初始通信。
One of its frequencies is used by the MN as a relay to implement its initial communication with SBS2.
本文对系统硬件的三个部分：24位数据采集子站节点设计、CAN中继器设计和PC机CAN接口适配器设计分别进行了研究。
The hardware of the system contains three parts. They are 24-bit data acquisition substation, CAN repeater and CAN adapter used for PC.
链路：节点间的支路，称为中继线。
帧中继转换节点FRSN ？
由移动性控制节点(21)对提供服务的服务提供装置和接受服务的提供的移动终端装置(10)之间的分组进行中继。
A packet between a service providing device for providing a service and a mobile terminal device (10) receiving the service is related by a mobility control node (21).
由移动性控制节点(21)对提供服务的服务提供装置和接受服务的提供的移动终端装置(10)之间的分组进行中继。
A packet between a service providing device for providing a service and a mobile terminal device (10) receiving the service is related by a mobility control node (21).
应用推荐