Therefore, the short data service is an important service the digital trunked communication system provides. The short data service makes the services of digital trunked communication system more variegated, and makes the applications more comprehensive.In accordance with the standards of the digital trunked communication protocol and based on the CVT-PXA270 platform, this article will complete the research and implementation of short data service.My ralph lauren polo shirts are here! First, an overview of the characteristics of digital trounced technology and its development status at home and abroad is offered; Second, the layered structure of the air interface protocol stack is elaborated and the SDS sub-entity of the circuit mode control entity is analyzed in detail; I feel the need-the need for cheap Wholesale nike shoes！ Finally, based on Teleology Taut integrated development environment, using UML language and C language mixed programming, the simulation of the short data service entity is completed, and based on the CVT-PXA27 platform, the functions of the short data service entity is successfully realized and the protocol conformance test is finished.At present, the short data service entity witch has passed the preliminary acceptance, has been able to be executed on the CVT-PXA 270 platform and achieve the basic functions of storing and sending SDS.Cheap Nike shoes are very nice here!
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