نتایج جستجو برای: global system of mobile communications

تعداد نتایج: 21405206  

Journal: :TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation 2020

2012

The client server systems using mobile communications networks for data transmission became very attractive for many economic agents, in the purpose of promoting and offering electronic services to their clients. E-services are suitable for business developing and financial benefits increasing. The products or services can be efficiently delivered to a large number of clients, using mobile Inte...

Journal: :RFC 2010
Erik Wilde Antti Vaha-Sipila

This memo specifies the Uniform Resource Identifier (URI) scheme "sms" for specifying one or more recipients for an SMS message. SMS messages are two-way paging messages that can be sent from and received by a mobile phone or a suitably equipped networked device. Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at in effect on ...

Journal: :RFC 2006
Henry Haverinen Joseph Salowey

Status of This Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. The EAP-SIM protocol was developed by 3GPP. The documentation of EAP-SIM is provided as information to the Internet community. While the EAP WG has verified that EAP-SIM is compatible with EAP, as defined in RFC 3748, no oth...

2014
K. Jaikumar

Our system fulfils the need of car security, by developing a smart car that allows US to capture the face of the intruder and to trace the car. Here we have a tendency to introduce a low-cost framework for embedded car security system, which consists of a face detection subsystem (FDS), a GPS (Global Positioning System) module, a GSM (Global System for Mobile Communications) module and a contro...

Journal: :EURASIP J. Wireless Comm. and Networking 2012
Jinxing Li Youping Zhao

Recently, there is an increasing yet challenging demand on broadband mobile communications for high-speed trains. In this article, cognitive Doppler spread compensation algorithms are proposed for high-speed rail broadband mobile communications, which make use of the dedicated radio environment map (REM) for railway to compensate the time-varying Doppler spread. The dedicated REM for high-speed...

2008
Jochen H. Schiller

Figure 1 gives a rough overview of some prominent wireless communication systems focusing on the two parameters gross data rate and relative speed between sender and receiver. Assuming a mobile end-user connected to a stationary transceiver station, the points on the (non proportional) speed axis resemble nonmoving persons, pedestrians, cars downtown, cars outside cities, and cars on a highway,...

Journal: :TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation 2020

Journal: :CoRR 2016
Roger Piqueras Jover

The Long Term Evolution (LTE) is the latest mobile standard being implemented globally to provide connectivity and access to advanced services for personal mobile devices. Moreover, LTE networks are considered to be one of the main pillars for the deployment of Machine to Machine (M2M) communication systems and the spread of the Internet of Things (IoT). As an enabler for advanced communication...

Journal: :RFC 2010
Xiaodong Duan Shuaiyu Wang Magnus Westerlund Karl Hellwig Ingemar Johansson

This document specifies the payload format for packetization of Global System for Mobile Communications Half Rate (GSM-HR) speech codec data into the Real-time Transport Protocol (RTP). The payload format supports transmission of multiple frames per payload and packet loss robustness methods using redundancy. Information about the current status of this document, any errata, and how to provide ...

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