GSM R Wikipedia. GSM R, Global System for Mobile Communications Railway or GSM Railway is an international wireless communications standard for railway communication and applications. A sub system of European Rail Traffic Management System ERTMS, it is used for communication between train and railway regulation control centres. The system is based on GSM and EIRENE MORANE specifications which guarantee performance at speeds up to 5. GSM R will probably be supplanted by LTE R,1 with the first production implementation being in South Korea. However, LTE is generally considered to be a 4. G protocol, and some railways are considering moving to something 5. G based depending on the timing of their upgrade cycle, thus skipping a technological generation. Oreka is an enterprise telephony recording and retrieval system with web based user interface. The project currently supports recording voice from VoIP SIP, Cisco. HTC One M8 for Windows Windows Mobile smartphone. Announced Aug 2014. Features 5. 0 Super LCD3 display, Snapdragon 801 chipset, Dual 4 MP primary camera, 5 MP. GSM R mast and cabinet, Abergavenny, Wales. GSM R Repeater at Dean Clough, Bolton, NW England. GSM R directional antennas pointing into the east end of the Freudenstein tunnel, Germany. GSM R Sharks Fin Mobile Antenna as fitted to a substantial amount of UK rail motive power. HTB1gypoPXXXXXb5XpXXq6xXFXXXM/%D0%91%D0%B5%D1%81%D0%BF%D1%80%D0%BE%D0%B2%D0%BE%D0%B4%D0%BD%D0%BE%D0%B9-%D0%B8-%D0%9F%D1%80%D0%BE%D0%B2%D0%BE%D0%B4%D0%BD%D0%BE%D0%B9-%D0%94%D0%BE%D0%BC%D0%B0%D1%88%D0%BD%D0%B5%D0%B9-%D0%A1%D0%B8%D0%B3%D0%BD%D0%B0%D0%BB%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%B8-GSM-Alarme-Residencial-%D0%9E%D1%85%D1%80%D0%B0%D0%BD%D0%BD%D0%BE%D0%B9-%D0%9F%D1%80%D0%BE%D1%82%D0%B8%D0%B2%D0%BE%D1%83%D0%B3%D0%BE%D0%BD%D0%BD%D0%B0%D1%8F-%D0%A1%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0-%D0%91%D0%B5%D0%B7%D0%BE%D0%BF%D0%B0%D1%81%D0%BD%D0%BE%D1%81%D1%82%D0%B8-%D0%9A%D0%BE%D0%BC%D0%BF%D0%BB%D0%B5%D0%BA%D1%82-%D0%9A%D0%B8%D1%82%D0%B0%D0%B9-%D0%B4%D0%BB%D1%8F-%D0%97%D0%B0%D1%89%D0%B8%D1%82%D1%8B.jpg' alt='Running Voice Gsm' title='Running Voice Gsm' />HistoryeditGSM R is built on GSM technology, and benefits from the economies of scale of its GSM technology heritage, aiming at being a cost efficient digital replacement for existing incompatible in track cable and analogue railway radio networks. Over 3. 5 different such systems are reported to exist in Europe alone. The standard is the result of over ten years of collaboration between the various European railway companies, with the goal of achieving interoperability using a single communication platform. GSM R is part of the European Rail Traffic Management System ERTMS standard and carries the signalling information directly to the train driver, enabling higher train speeds and traffic density with a high level of safety. The specifications were finalised in 2. European Union funded MORANE Mobile Radio for Railways Networks in Europe project. The specification is being maintained by the International Union of Railways project ERTMS. GSM R has been selected by 3. European Union and countries in Asia, Eurasia and northern Africa. GSM R is a secure platform for voice and data communication between railway operational staff, including drivers, dispatchers, shunting team members, train engineers, and station controllers. It delivers features such as group calls VGCS, voice broadcast VBS, location based connections, and call pre emption in case of an emergency. This will support applications such as cargo tracking, video surveillance in trains and at stations, and passenger information services. GSM R is typically implemented using dedicated base station masts close to the railway, with tunnel coverage effected using directional antennae or leaky feeder transmission. The distance between the base stations is 71. This creates a high degree of redundancy and higher availability and reliability. In Germany, Italy and France the GSM R network has between 3,0. In areas where the European Train Control System ETCS Level 2 or 3 is used, the train maintains a circuit switched digital modem connection to the train control centre at all times. This document describes how to configure Enhanced transcoding and conferencing for Cisco IOS Voice Gateway Routers in a Cisco Unified CallManager network. This modem operates with higher priority than normal users e. MLPP. If the modem connection is lost, the train will automatically stop. Upper systemeditGSM R is one part of ERTMS European Rail Traffic Management System which is composed of ETCS European Train Control SystemGSM RETML European Traffic Management LayerEOR European Operating RulesFrequency bandeditGSM R is standardised to be implemented in either the E GSM 9. MHz GSM or DCS 1. MHz GSM frequency band which are both being used around the world. In EuropeeditEurope includes the CEPT member states, which include all EU members and Albania, Andorra, Azerbaijan, Belarus, Bosnia Herzegovina, Georgia, Iceland, Liechtenstein, Macedonia, Moldavia, Monaco, Montenegro, Norway, Russia, San Marino, Serbia, Switzerland, Turkey, Ukraine, United Kingdom and Vatican City. GSM R uses a specific frequency band, which can be referred to as the standard GSM R band 5Uplink 8. MHz used for data transmission. Downlink 9. 189. MHz used for data reception. In Germany this band was extended with additional channels in the 8. MHz and 9. 189. 21 MHz range. Being used formerly for regional trunked radio systems the full usage of the new frequencies is aimed for 2. In Sweden there is a conflict that frequencies have been given for 4. GLTE that are very close to GSM R frequencies. It is impossible to totally avoid disturbing nearby frequencies. GSM R is a safety system that should not be disturbed. The short term solution is to avoid use the 4. G frequencies near railways, which gives less mobile data capacity for passengers. The long term solution is to change GSM R frequencies in Sweden. In China and South AfricaeditGSM R occupies a 4 MHz wide range of the E GSM band 9. MHz GSM 89Uplink 8. MHz. Downlink 9. MHz. In IndiaeditGSM R occupies a 1. MHz wide range of the P GSM band 9. MHz GSM held by Indian Railways 1. Uplink 9. 07. 89. MHz. Downlink 9. MHz. In AustraliaeditThis section needs to be updated. Please update this article to reflect recent events or newly available information. March 2. GSM R is being implemented using frequencies in the DCS 1. MHz GSM 1. 2Uplink 1,7. MHz and 1,7. 72. 51,7. Basicobjective guide training books, just like encyclopedias and fact guides, present detailed summaries and tips for submatters, along with associated language. Learn how to get HD voice, featuring call audio that sounds like youre face to face and simultaneous calling and data use, all on Verizons 4G LTE network. Like other GSM devices, GSMR equipment can transmit data and voice. New GSMR features for mobile communication are based on GSM, and are specified by EIRENE project. Meizu MX4 Android smartphone. Announced Sep 2014. Features 5. 36 IPS LCD display, MediaTek MT6595 chipset, 20. MP primary camera, 2 MP front camera, 3100 mAh. MHz. Downlink 1,8. MHz and 1,8. 67. 51,8. MHz. The DCS 1. 80. MHz with duplex spacing of 9. MHz. Railroads acquired six mostly non grouped parcels which cover 2 1. LED-SECURITY-WIRELESS-GSM-AUTODIAL-HOME-HOUSE-OFFICE-BURGLAR-INTRUDER-GSM-ALARM-SYSTEM.jpg' alt='Running Voice Gsm' title='Running Voice Gsm' />MHz of this frequency band in which the GSM R projects have been implemented. Meanwhile, Telecommunication operators, the Australian Telecommunications Regulator ACMA, and rail operators are in a discussion about whether to free up spectrum in the DCS 1. As of 8 March 2. 01. GSM R in the DCS 1. Technical frequency usage in GSM ReditThe used modulation is GMSK modulation Gaussian Minimum Shift Keying. GSM R is a TDMA Time Division Multiple Access system. Data transmission is made of periodical TDMA frames with a period of 4. Each TDMA frame is divided in 8 time slots, named logical channels 5. There are worries that LTE mobile communication will disturb GSM R, since it has been given a frequency band rather close to GSM R. This could cause ETCS disturbances, random emergency braking because of lost communications etc. As a result, there is an increasing trend towards monitoring and managing GSM R interference using active and automated testing on board trains and trackside. Current GSM R versioneditThe GSM R standard specification is divided in two EIRENE specifications 1. SWTests/Pics/rv3DialPad.jpg' alt='Running Voice Gsm' title='Running Voice Gsm' />Functional Requirement Specification FRS the definition of higher lever functional requirements. System Requirement Specification SRS the definition of the technical solutions supporting the functional requirements. EIRENE defines the Technical Specification for Interoperability TSI as the set of mandatory specifications to be fulfilled to keep compatibility with other European networks current TSI are FRS 7 and SRS 1. EIRENE also defines non mandatory specifications, that are called Interim version, which defines extra features that are likely to become mandatory in the next TSIs. Current Interim versions are FRS 7. SRS 1. 5. 1. 1. 9 The GSM R specifications are fairly stable the latest mandatory upgrade was in 2. The complete timeline of GSM R versions is 2. December 2. 00. 0 FRS 5SRS 1. October 2. 00. 3 FRS 6SRS 1. GSM Cocktail Miracle Team. Together with your paper producing support. Paper producing solutions. Sorts of Scholastic Analysis. When you need to obtain the essay reduce, you will need the professional component of it as a result of this, the explanations people finish up choosing writemypapers essays the specialist document creating support. You will need to take the time and recognize every piece of information you need to understand and also will end up attaining you far more scars in the affordablepapersplagiarism essay. 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