基于广播信道及多址接入信道的概念，提出了一种新的半双工中继协议，并对该协议下的资源分配问题进行了研究。
Based on the concepts of broadcast channel and multiple access channel, a novel half-duplex relay strategy was proposed, and optimal resource allocation under this strategy was investigated.
中继器通过RS485总线将各种终端接入模块组成家庭内部通信网。
Relay forms inter-family communication network with various access modules using RS485 bus.
软交换涉及的产品主要有负责核心控制的软交换设备、应用服务器、媒体服务器、接入网关、中继网关、信令网关、IAD设备。
Products softswitch involves mainly include: softswitch equipment for core control, application server, media server, access gateway, relay gateway, signaling gateway, and IAD equipment.
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