1.引言随着Internet网络的飞速发展,传统的"尽力"型业务越来越不能满足新的用户和应用的质量要求,网络需要提供更高级的质量保障.同时,对于不同的用户对业务质量(QoS)具有不同的要求,网络也需要区别QoS等级,并采用相应的传输控制机制来保障这些QoS等级.在传统Internet网络中,分别用两种传输协议来传送不同质量要求的业务:TCP(Transmission Control Protrol)和UDP(User Data Protocol)协议.
Location service on GSM network is a very promising wireless value-added *** scope of location service is *** com bi nation of current GSM network situation,several locating technolo gies that will support location se...
详细信息
Location service on GSM network is a very promising wireless value-added *** scope of location service is *** com bi nation of current GSM network situation,several locating technolo gies that will support location service and can be adopted in GSM network are *** evolution re quired for location service in GSM network is pointed ***,supporting plans for location service in GSM is pre sent -ed.
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