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IP电话的关键技术
- ip电话的关键技术,包括语音编码,压缩,打包,分组交换,以及保证语音质量而采取的回声抵消技术.-ip telephone key technologies, including voice coding, compression, packing and packet switching, and voice quality assurance and the echo cancellation technology.
fullSim
- This a simulator written in Tcl to simulate a network node carrying GSM and GPRS traffics with QoS mechanisms. The payload type including circuit-switched voice, VoIP and web traffic, and the performance including packet drop, delay can be analyzed.
Lab05_ATM
- Asynchronous Transfer Mode (ATM) is a connection-oriented, packet-switched technology. The packets that are switched in an ATM network are of a fixed length, 53 bytes, and are called cells. The cell size has a particular effect on carrying voice
out
- A TUTORIAL ON LTE EVOLVED UTRAN (EUTRAN) AND LTE SELF ORGANIZING NETWORKS. The main features of LTE are high peak data rate, flexibility of spectrum usage, low latency times, higher capacity per cell, etc. The radio interface of LTE is based on O
zxj10-sdh-voip
- ZXJ10局用数字程控交换机具有长话、市话或长市合一功能。ZXJ10具有强大的组网功能，在电信交换网中可以作为端局、汇接局、长途局、关口局来使用，还可以作为独立的STP或综合的STP来使用，另外还可以作为PBX来使用。ZXJ10既可以建立单模块局，也可以建立多模块局。母局与各交换模块间可以采用高速光纤连接。可以采用多种速率的内外置式PDH和SDH设备进行组网。组成PDH、SDH或二者混合的各类环形网、链形网、树形网络及混合形的网络。 传统的电话网紧电路交换方式传输语音，所要求的传输宽带为64
YYQQanalysis
- 我们将通过网络抓包，来分析歪歪和QQ的语音特点。通过歪歪的用户需求定期方向，分析其至成功的一些原因。-We will through the network packet capture, analyze and YY QQ voice characteristics. Demand regular direction by user YY analyzed to success for some reason.
Bluetooth_Full_Duplex
- Simulink® and Stateflow® model of a full duplex Bluetooth communication link transmitting HV1, HV2, HV3, and SCORT [1] voice packets, and DM1 data packets. A system parameters block configures the whole model s packet type, slot pair and chan