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Description: Simulator for a GSM traffic channel transmission and reception
This Simulink model simulates the entire transmission and reception of voice data of a traffic channel for GSM (TCH/FS)over a multipath fading channel, and it calculates the BER of the received signal-Simulator for a GSM traffic channel transm ission and reception This Simulink model simul ates the entire transmission and reception of v oice data of a traffic channel for GSM (TCH / FS) o ver a multipath fading channel, and it calculates the BER of the received signal
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Size: 14964 |
Author: 李艳芬 |
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Description: GPS/GSM车辆防盗报警及调度指挥系统是智能交通系统(ITS)的重要组成部分,它集全球定位技术(GPS)、蜂窝移动通信技术(GSM) 及地理信息系统技术(GIS)于一体,实现车辆的防盗报警、调度指挥,为交通部门及企、事业单位及个人用户实现车辆管理现代化提供了强有力的技术支持。-GPS / GSM vehicle anti-theft alarm and command system is intelligent transportation systems (ITS) important group component, which combines global positioning technology (GPS), Cellular communication technologies (GSM) and geographic information systems technology (GIS) into one. Implementation of the vehicle anti-theft alarm, scheduling command, traffic departments and enterprises, institutions and individuals to achieve modernization vehicle management provides a strong technical support.
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Size: 50540 |
Author: zhuzhu |
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Description: 网络电话。采用GSM语音格式,2.2KB/s的数据流量,支持HTTP, Socks4/5单一代理或二者同时代理。本版本修复了以前版本的一些小问题,增加了动态调整延时,打开、关闭话筒和声音,保存和自动加载通话地址列表,代理服务器列表,使用全部或部分本机地址开机-telephone network. GSM voice format, 2.2KB / s data traffic, supports HTTP, Socks4 / 5 of a single agent or combination of both agents. This version fixes previous versions of some small problem, the dynamic adjustment of delay, opening, closing and microphone voice, preservation and automatically load calls address list, the proxy list, the use of all or part of the machine addresses boot
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Size: 270018 |
Author: 工人 |
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Description: 停车场收费系统系统平台 GPS/GSM车辆监控及调度指挥系统 基于移动通信网络的车辆管理系统+ 远程无线通信的视频、图像监控管理系统-parking fees Systems platform GPS / GSM vehicle control and command system for dispatching mobile communications network traffic management system of long-range wireless communications video, image monitoring and management system
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Size: 267626 |
Author: 峰峰 |
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Description: For the simulation of a GSM transmission channel it was decided to use an information channel TCH (Traffic Channel) with high speed (Full Speed).
This type of channel allows a rate of 13 Kbps. In order to create the model of TCH channel for GSM the specifications of group 3GPP were followed which are listed in [ 3GPPd ] -[3GPPg ], which they comprise of the European standard of GSM.
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Size: 72515 |
Author: zhouzheng_xd |
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Description: 网络电话。采用GSM语音格式,2.2KB/s的数据流量,支持HTTP, Socks4/5单一代理或二者同时代理。本版本修复了以前版本的一些小问题,增加了动态调整延时,打开、关闭话筒和声音,保存和自动加载通话地址列表,代理服务器列表,使用全部或部分本机地址开机-telephone network. GSM voice format, 2.2KB/s data traffic, supports HTTP, Socks4/5 of a single agent or combination of both agents. This version fixes previous versions of some small problem, the dynamic adjustment of delay, opening, closing and microphone voice, preservation and automatically load calls address list, the proxy list, the use of all or part of the machine addresses boot
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Size: 269312 |
Author: 工人 |
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Description: 停车场收费系统系统平台 GPS/GSM车辆监控及调度指挥系统 基于移动通信网络的车辆管理系统+ 远程无线通信的视频、图像监控管理系统-parking fees Systems platform GPS/GSM vehicle control and command system for dispatching mobile communications network traffic management system of long-range wireless communications video, image monitoring and management system
Platform: |
Size: 267264 |
Author: 峰峰 |
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Description: Simulator for a GSM traffic channel transmission and reception
This Simulink model simulates the entire transmission and reception of voice data of a traffic channel for GSM (TCH/FS)over a multipath fading channel, and it calculates the BER of the received signal-Simulator for a GSM traffic channel transm ission and reception This Simulink model simul ates the entire transmission and reception of v oice data of a traffic channel for GSM (TCH/FS) o ver a multipath fading channel, and it calculates the BER of the received signal
Platform: |
Size: 14336 |
Author: 李艳芬 |
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Description: GPS/GSM车辆防盗报警及调度指挥系统是智能交通系统(ITS)的重要组成部分,它集全球定位技术(GPS)、蜂窝移动通信技术(GSM) 及地理信息系统技术(GIS)于一体,实现车辆的防盗报警、调度指挥,为交通部门及企、事业单位及个人用户实现车辆管理现代化提供了强有力的技术支持。-GPS/GSM vehicle anti-theft alarm and command system is intelligent transportation systems (ITS) important group component, which combines global positioning technology (GPS), Cellular communication technologies (GSM) and geographic information systems technology (GIS) into one. Implementation of the vehicle anti-theft alarm, scheduling command, traffic departments and enterprises, institutions and individuals to achieve modernization vehicle management provides a strong technical support.
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Size: 50176 |
Author: zhuzhu |
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Description: 局域网音频广播软件,使用UDP协议,并在元基础上就音频格式使用GSM算法压缩,减少了网络流量。-LAN audio broadcasting software, the use of UDP protocol, and in yuan on basic audio formats used on the GSM compression algorithm, reducing network traffic.
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Size: 210944 |
Author: rf |
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Description: 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. The implemented QoS mechanism is DiffServ, with 4 RED queues for different services with different priorities.-This is 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. The implemented QoS mechanism is DiffServ, with 4 RED queues for different services with different priorities.
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Size: 26256384 |
Author: wang haibo |
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Description: 交警部门违章车辆信息借助GSM手机短信进行发送,实现违章信息快速便捷的送给用户。是基于ACCESS开发的,还有基于SQL SERVER的。-Illegal traffic police vehicles with GSM SMS message to send, to achieve the illegal information to the user quickly and easily. Is based on the ACCESS development, but also based on the SQL SERVER.
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Size: 3761152 |
Author: lizhigang |
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Description: parking fees Systems platform GPS / GSM vehicle control and command system for dispatching mobile communications network traffic management system of long-range wireless communications -parking fees Systems platform GPS/GSM vehicle control and command system for dispatching mobile communications network traffic management system of long-range wireless communications
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Size: 1250304 |
Author: hanyui |
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Description: 《网规网优案例集锦V1.0》是近两年来工程师网规网优经验的总结,有些甚至是现场工作中的教训。通过学习本案例集锦,有助于提高工程师现场处理问题的能力,增加网规网优知识和经验,也可以使工程师避免犯同样的错误!
《网规网优案例集锦V1.0》将全文共168篇案例划分成15个专题:仪器使用、数据配置和动态设定、覆盖、拥塞、话务均衡、干扰、掉话、切换、手机上网和呼叫、寻呼和指配、话音质量、信号波动、用户不在服务区、GPRS、其它,方便工程师查阅和借鉴!
无线网络规划技术支持组
2002年6月
-"Net Regulation Network Optimization Case Collection V1.0" the past two years, network engineers, network optimization and experience in regulation, and some even on-site work in lessons. Through the study of this case highlights to help improve the engineer on-site problem solving skills, increase net regulatory network optimization knowledge and experience, also allows engineers to avoid the same mistakes!
"Net Regulation Network Optimization Case Collection V1.0" A total of 168 cases of full-text is divided into 15 topics: instrumentation, data configuration and dynamic settings, coverage, congestion, traffic balance, interference, dropped calls, switching, mobile Internet access and call, paging, and assignment, voice quality, signal fluctuation, the user is not in service area, GPRS, Other, to facilitate engineers to access and learn from!
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Size: 1628160 |
Author: lenald |
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Description: this a matlab file channel rate who is maked by me.this is used in gsm,gprs,edge traffic simulation.-this is a matlab file channel rate who is maked by me.this is used in gsm,gprs,edge traffic simulation.
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Size: 16384 |
Author: adi |
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Description: 基于GSM短消息的交通信息服务系统。以过usb口与NOKIA手机连接为例,实现对手机发信息的控制。-GSM short message on the traffic information service system. With NOKIA for example, send information to achieve control of the phone.
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Size: 214016 |
Author: wufabiyu |
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Description: 在这个程序中,实现用pic877控制gsm交通灯。-In this program, to achieve control with pic877 gsm traffic lights.
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Size: 2048 |
Author: 刘季圣 |
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Description: WB-AMR VMR-WB 是新型可变速率多模式宽带语音编解码器,专为无线 CDMA 2000标准而设计,目的在于在 50 至 7000 HZ 的频带上进行语音编码,采样率为 16 KHZ。VMR-WB 基于 3GPP AMR-WB (G722.2) 编解码器,在每秒速率12.65 Kbit 上可实现互操作。 VMR-WB 工作模式有四种,具体选择哪种应视网络的流量情况而定。前三种模式专门针对 CDMA 系统,而第四种模式为 AMR-WB 互操作性模式。 VMR-WB 与 AMR-WB 的互操作性允许 GSM/WCDMA 与 CDMA2000 系统无须进行自动解码即可通信,这就不至于增加额外的延迟以及引起语音质量下降-WB-AMR VMR-WB is a new variable-rate multimode wideband speech codec designed for wireless CDMA 2000 standard design, aimed at 50 to 7000 HZ frequency band for voice coding, sampling rate of 16 KHZ. VMR-WB based on the 3GPP AMR-WB (G722.2) codec rate of 12.65 Kbit per second can be interoperable. VMR-WB mode four, the specific choice of which network traffic should be as the case may be. The first three models specifically for the CDMA system, while the fourth mode of AMR-WB interoperable mode. VMR-WB and AMR-WB allows the interoperability of GSM/WCDMA and CDMA2000 systems can not automatically decode the communication, which without increasing the delay and the additional decline in voice quality caused by
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Size: 189440 |
Author: 观光客 |
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Description: GSM Channels
Physical Channels
Associated with frequency bands, time slots, codes
Physical channels transfer bits from one network element to another
Logical Channels
Distinguished by the nature of carried information and the way to assemble bits into data units
Three types
one-to-one: traffic channels between a BTS and a MS
one-to-many: synchronization signals from BTS to MSs in a cell
many-to-one: from MSs to the same BTS
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Size: 187392 |
Author: HOSSEIN |
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Description: intercepting gsm traffic
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Size: 73728 |
Author: duder |
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