Presently, Mobile Communication Company's GPRS network that based on the 2.5 G can supply packet radio service and low cost service of wireless transmission.
目前，移动公司建成的基于2.5代移动通信gprs网络能够提供端到端的无线分组交换数据业务，提供低成本的数据无线传输业务。
Note that all of these protocols are packet-based protocols that have been optimized to function over a wireless network with limited bandwidth and intermittent connectivity.
注意，所有这些协议都是基于分组的协议，经过优化以便通过有限的带宽和间隔的连通性在无线网络上运行。
Due to the absence of centralized authority, the service reliability of wireless ad hoc network is seriously affected by selfish actions of the rational nodes during the packet forwarding.
在缺乏集中控制的无线自组网络中，节点在转发过程中所表现出的自私行为将严重影响其网络服务的可靠性。
This paper presents a multiple access control protocol (PPBMA) for wireless cellular network, which is based on packet priority, and ISDN services can be easily implemented.
为了在无线蜂窝网中实现综合业务，本文提出了基于分组优先级的多址接入控制协议(PPBMA)，该协议能有效地实现综合业务在无线蜂窝网中的传输。
Communications then may be established with the mobile terminal based upon the specified quality of service and the characteristics of the packet wireless communications network.
随后，根据指定的服务质量和分组无线通信网络的性能特性，建立同移动终端的通信。
The research of the subject involves telecommunication technologies such as packet data communication, network designation, mobile location, and wireless networks technology.
本课题研究主要涉及通信领域的分组数据通信、无线接入、系统组网、移动定位等技术。
Using traditional transmission power control mechanism in data link layer of wireless AD hoc network may result in the increased packet collisions among nodes which use different transmission power.
在无线自组织网数据链路层中，采用传统的功率控制机制会引起不同发射功率节点间的分组冲突。
Because of the changing bandwidth, heterogeneous terminals and high packet loss rate, the wireless networks put forward new requirement for the design of network architectures and protocols.
而无线网络本身带宽多变、终端异构、丢包率高等与生俱来的特点对网络结构和协议的设计提出了新的要求。
This specified quality of service is conveyed from the mobile station to the packet wireless communication network.
这一指定的服务质量从移动站传送给分组无线通信网络。
This specified quality of service is conveyed from the mobile station to the packet wireless communication network.
这一指定的服务质量从移动站传送给分组无线通信网络。
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