S. M. Redl, M. K. Weber, and M. W. Oliphant. An Introduction to GSM. Artech House, Norwood, MA, U.S.A, 1995.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....Figure 8: G.729 Annex E (backward adaptive mode) bit packing 4.5. 8 GSM GSM (group speciale mobile) denotes the European GSM 06.10 standard for full rate speech transcoding, ETS 300 961, which is based on RPE LTP (residual pulse excitation long term prediction) coding at a rate of 13 kb s [12, 13, 14]. The text of the standard can be obtained from ETSI (European Telecommunications Standards Institute) ETSI Secretariat: B.P.152 F 06561 Valbonne Cedex France Phone: 33 92 94 42 00 Fax: 33 93 65 47 16 Blocks of 160 audio samples are compressed into 33 octets, for an e#ective data rate of ....

.... 3 20 xmc[7] 3 58 xmc[37] 3 21 xmc[8] 3 59 xmc[38] 3 22 xmc[9] 3 60 Nc[3] 7 23 xmc[10] 3 61 bc[3] 2 24 xmc[11] 3 62 Mc[3] 2 25 xmc[12] 3 63 xmaxc[3] 6 26 Nc[1] 7 64 xmc[39] 3 27 bc[1] 2 65 xmc[40] 3 28 Mc[1] 2 66 xmc[41] 3 29 xmaxc[1] 6 67 xmc[42] 3 30 xmc[13] 3 68 xmc[43] 3 31 xmc[14] 3 69 xmc[44] 3 32 xmc[15] 3 70 xmc[45] 3 33 xmc[16] 3 71 xmc[46] 3 34 xmc[17] 3 72 xmc[47] 3 35 xmc[18] 3 73 xmc[48] 3 36 xmc[19] 3 74 xmc[49] 3 37 xmc[20] 3 75 xmc[50] 3 38 xmc[21] 3 76 xmc[51] 3 Table 2: Ordering of GSM variables Octet Bit 0 Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 0 ....

Redl, S., M. Weber, and M. Oliphant, An Introduction to GSM. Boston: Artech House, 1995.

....and correct bit errors. The bit error rate may be assessed excluding or including the error control. Clearly, the resulting measure will be different. If the signal to interference ratio is bad, the error control might compensate the erroneous wireless channel. In some systems, for example in GSM [13], the BER is expressed as signal quality: The BER is assessed before channel decoding, a particular value of BER is assigned a integer number on a scale from 0 to 7 expressing the signal quality. Similar to the parameters before, the calculation of the BER requires that data are received by that ....

....factors. This parameterization makes the assessed values comparable and enables to trigger handover between different technologies based on layer 2 information. Tab. 3. 1 gives an overview about the availability of different parameters for link layer trigger in IEEE 802.11b [9] Bluetooth [5] [13], IS95 and W CDMA [11] and HiPERLAN 2 [3] All of the discussed parameters and parameter combinations can be used to detect a decaying wireless link and therefore provide an indication that a handover is about to occur. As it will be described in Sec. 5, the detection of a handover in advance can ....

S. Redl, M. Weber, and M. Oliphant. An Introduction to GSM. Number ISBN 0-89006-785-6. Artech House, Inc., Norwood, MA, USA, 1995.

....[1] For the GSM System (slow) frequency hopping is an optional feature for each individual cell. The principle of (slow) frequency hopping GSM is that the carrier frequency is changed with every TDMA frame. By this means, frequency hopping adds frequency diversity to the mobile radio channel [2]. A channel simulator that models accurately the physical channel statistics determined by cyclic or pseudo random hopping patterns of the carrier frequency is called a frequency hopping channel simulator. Such a simulator is important for the design, optimization, and test of frequency hopping ....

S.M. Redl, M.K. Weber, and M.W. Oliphant, An Introduction to GSM. Boston: Artech House, 1995.

....also be used in hybrid compression schemes. A good example is the G.722 standard, which is a sub band ADPCM encoding method. The audio signal is divided into two sub bands and each is then encoded with ADPCM. 2. 4 GSM GSM is actually a digital mobile radio system, originally designed in Europe [11], 12] This term is also frequently used to describe the type of audio compression used in GSM. The compression technique uses Regular Pulse Excited Linear Predictive Coder (RPE LPC) with a long term predictor loop which results in the compression of telephone quality speech to 13 kbits s. The ....

S. M. Redl, M. K. Weber, M. W. Oliphant, An Introduction to GSM, Artech House, Norwood, MA., 1995.

....level is 20 mW (13 dBm) Acknowledgements This work was supported by the Advanced Research Projects Agency under contract No. F30602 92 C 0019 (monitored by AFSC, Rome Laboratory) and contract No. DABT6395 C 0060 (monitored by US Army, Fort Huachuca) This Table has been reproduced from [9]. 9 ....

Redl, S. M., Weber, M. K. and Oliphant, M. W. "An Introduction to GSM" ISBN: 0-89006-785-6, 1995, British Library Cataloguing in Publication Data.

....choosing between the new operators available. Digital mobile networks [PGH95, Wal99a] with roaming capabilities include PDC, CDMA (IS 95) and US TDMA (ANSI 136) but over 70 of the world s mobile networks use the European standard GSM. 2.3. 1 GSM The Global System for Mobile Communications (GSM) [ETSI96b, RWO95, Wal99a], with over 425 network operators world wide provides more than 332 million customers with the ability to make and receive calls when outside their home network. It is predicted that by 2001 one in twelve people in the world will use GSM. In order to co ordinate the initial deployment of the GSM ....

S. Redl, M. Weber, M. Oliphant. An introduction to GSM. Artech House, Boston/London, 1995.

....for a multi cellular System Phone MIC team SISP 14 2. 2 Services Using the International Telecommunication Union Telecommunication Standardisation Bureau (ITU T) definitions, telecommunication services can be divided into bearer services, teleservices, and Supplementary Services (SS) ReWeOli95] Bearer services are telecommunication services providing the capability of transmission of signals between access points (called user network interfaces in ISDN) Teleservices are telecommunication services providing the complete capability, including terminal equipment functions, for ....

Siegmund Redl, Matthias Weber, Malcom Oliphant, "An introduction to GSM". Artech House Publishers, 1995.

....draft draft ietf avt pro le new 12.ps November 20, 2001 4.5. 8 GSM GSM (group speciale mobile) denotes the European GSM 06.10 standard for full rate speech transcoding, ETS 300 961, which is based on RPE LTP (residual pulse excitation long term prediction) coding at a rate of 13 kb s [11, 12, 13]. The text of the standard can be obtained from ETSI (European Telecommunications Standards Institute) ETSI Secretariat: B.P.152 F 06561 Valbonne Cedex France Phone: 33 92 94 42 00 Fax: 33 93 65 47 16 Blocks of 160 audio samples are compressed into 33 octets, for an e ective data rate of ....

.... 3 19 xmc[6] 3 57 xmc[36] 3 20 xmc[7] 3 58 xmc[37] 3 21 xmc[8] 3 59 xmc[38] 3 22 xmc[9] 3 60 Nc[3] 7 23 xmc[10] 3 61 bc[3] 2 24 xmc[11] 3 62 Mc[3] 2 25 xmc[12] 3 63 xmaxc[3] 6 26 Nc[1] 7 64 xmc[39] 3 27 bc[1] 2 65 xmc[40] 3 28 Mc[1] 2 66 xmc[41] 3 29 xmaxc[1] 6 67 xmc[42] 3 30 xmc[13] 3 68 xmc[43] 3 31 xmc[14] 3 69 xmc[44] 3 32 xmc[15] 3 70 xmc[45] 3 33 xmc[16] 3 71 xmc[46] 3 34 xmc[17] 3 72 xmc[47] 3 35 xmc[18] 3 73 xmc[48] 3 36 xmc[19] 3 74 xmc[49] 3 37 xmc[20] 3 75 xmc[50] 3 38 xmc[21] 3 76 xmc[51] 3 Table 2: Ordering of GSM variables Schulzrinne Casner Expires ....

S. M. Redl, M. K. Weber, and M. W. Oliphant, An Introduction to GSM. Boston: Artech House, 1995.

....Quality of Service (QoS) of applications over WAP (e.g. the prompt delivery of the requested WML decks) depending on the bearer services used in the mobile network. This paper focuses on the last aspect and assumes the use of a Global System for Mobile communications (GSM) network [3]. By making minimal demands to the air interface, the WAP protocol can also operate on low bandwidth, non IP GSM bearers such Short Message Service (SMS) or Unstructured Supplementary Service Data (USSD) channel [4] 5] Referring to the SMS case, the QoS evaluation for the services ....

....to a 51 multiframe structure. In particular, in this study we have considered that the first slot 187 of each frame (on only one carrier in the cell) transports the following logic GSM downlink (i.e. from the base station to the mobile users) channels: FCCH SCH CCCH BCCH SDCCH 4 SACCH 4 [3]. Moreover, we have assumed a configuration where there are only four SDCCH channels, on four consecutive frames in the 51 multiframe. According to the GSM channel coding scheme [8] we have considered that each SDCCH burst conveys 23 information bytes, so that about 6 SDCCH bursts (on a given ....

S. M. Redl, M. K. Weber, M. W. Oliphant. An Introduction to GSM. Artech House, MA, 1995

....fashion, in which scheduling only takes place between the users that have something to transmit. The fixed assignment technique is used in frequency division multiple access (FDMA) and time division multiple access (TDMA) which are combined in many contemporary mobile radio systems such as GSM[14]. In a FDMA system, the total system bandwidth is divided into several frequency channels that are allocated to users. In a TDMA system, one frequency channel is divided into time slots that are allocated to users, and the users only transmit during their assigned timeslots. Examples of ....

Redl S.M., Weber M.K. and Oliphant M.W., An introduction to GSM, Artech House, 1995. 52 House, 1995.

....In a time division multiple access (TDMA) cellular communication system [190] digital signals are transmitted over (reused) carrier frequencies in short nonoverlapping bursts. There are two important standards: IS 136 (Interim Standard 136) 98] and GSM (Global System for Mobile Communications) [192]. Although these standards have different specifications, the signal bursts have similar formats, consisting of control and overhead symbols, and the transmitted data. In particular, each burst contains a synchronization sequence that can be used to train components in the receiver, such as an ....

S.M. Redl, M.K. Weber, and M.W. Oliphant, An Introduction to GSM. Norwood, MA: Artech House, 1995.

....on the mobile station, traveled to a new location area, or an incoming call has just arrived to a mobile user. In all these cases, common control channels are used for network management messages before the establishment of a dedicated control channel between the mobile station and the network [25]. At this time, privacy and security operations are the main concerns of the network in order to protect the communication over the air interface against illegal scanning of these control channels [13] Problem How do you ensure privacy of the subscriber s identity when sending it on the radio ....

Redl, S. H., Weber, M. K., Oliphant, W., An Introduction to GSM, Artech House, Inc., 1995. ISBN 0-89006-785-6. 22

....time distribution. These equations can be used as the design guideline to select the micro wave equipments for the wireless system. Keywords communication link failure, micro wave, mobility management, wireless communications I. Introduction I N mobile systems such as AMPS [1] 2] and GSM [3], interworking between the mobile systems and the PSTN is required for mobility management [4] 5] 6] In some areas, interworking functions are not available from the PSTN, and the mobility related messages are delivered within the switches of the wireless system connected by the dedicated ....

Redl, S., Weber, M., An Introduction to GSM, Artech House, 1995.

....with the home agent. This eliminates unnecessary packet loss when switching care of addresses. 2. Quality of service (QoS) The di erent physical networks to which a user has access may o er di erent QoS guarantees. For example, a mobile user may have simultaneous access to a GSM data network [27] that has low bandwidth but relatively low latency, as well as to a Metricom Ricochet network that o ers higher bandwidth but has higher and more variable latency. The mobile host might decide to use the GSM network for its low bandwidth interactive ows (such as its telnet trac) which require low ....

S. H. Redl, M. K. Weber, and M. W. Oliphant. An Introduction to GSM. Artech House, 1995.

....at the receiver add constructively or destructively to give the resultant signal. This multipath propagation phenomenon results in signal fading at the receiver [1] 2] This nonlinearity of the mobile channel is one of the factors that has led to the use of constant envelope modulation [3] or phase shift keying(PSK) type modulation [4] 5] to the mobile communication. With the increasing demands of the service, an important topic is to use a spectrally efficient modulation technique to raise the spectrum efficiency in the limited frequency bandwidth. Quadrature amplitude ....

S. M. Redl, M. K. Weber, and M. W. Oliphant, An Introduction to GSM,Boston: Artech House, 1995.

....that was developed by the european standards committee[1] The original version of GSM was used in the 900MHz band throughout europe. Then on the request of the english, an upbanded version of GSM was added in the 1800MHz band, this was original called PCN for personal communications network[3]. PCN was later renamed to DCS1800. An extra 10MHz was added to the lower end of both the receive and transmit bands to create Enhanced GSM or E GSM. The european GSM is currently being deployed in the United States in the 1900MHz band and is named PCS1900. The digitally enhanced cordless ....

M. Redl, M.K. Weber, and M.W. Oliphant, "An Introduction to GSM" Artech House Publishers, 1995

....1 2 3 0 1 2 0 1 2 3 0 1 2 4.5. 9 GSM GSM (group speciale mobile) denotes the European GSM 06.10 standard for full rate speech transcoding, ETS 300 961, which is based on RPE LTP (residual pulse excitation long term prediction) coding at a rate of 13 kb s [13, 14, 15]. The text of the standard can be obtained from ETSI (European Telecommunications Standards Institute) ETSI Secretariat: B.P.152 F 06561 Valbonne Cedex France Phone: 33 92 94 42 00 Fax: 33 93 65 47 16 Blocks of 160 audio samples are compressed into 33 octets, for an effective data rate of 13,200 ....

.... 3 58 xmc[37] 3 21 xmc[8] 3 59 xmc[38] 3 22 xmc[9] 3 60 Nc[3] 7 23 xmc[10] 3 61 bc[3] 2 24 xmc[11] 3 62 Mc[3] 2 25 xmc[12] 3 63 xmaxc[3] 6 26 Nc[1] 7 64 xmc[39] 3 27 bc[1] 2 65 xmc[40] 3 28 Mc[1] 2 66 xmc[41] 3 29 xmaxc[1] 6 67 xmc[42] 3 30 xmc[13] 3 68 xmc[43] 3 31 xmc[14] 3 69 xmc[44] 3 32 xmc[15] 3 70 xmc[45] 3 33 xmc[16] 3 71 xmc[46] 3 34 xmc[17] 3 72 xmc[47] 3 35 xmc[18] 3 73 xmc[48] 3 36 xmc[19] 3 74 xmc[49] 3 37 xmc[20] 3 75 xmc[50] 3 38 xmc[21] 3 76 xmc[51] 3 Table 2: Ordering of GSM variables Schulzrinne Casner Expires December 25, 1999 [Page 16] INTERNET DRAFT ....

S. M. Redl, M. K. Weber, and M. W. Oliphant, An Introduction to GSM. Boston: Artech House, 1995.

....2 3 0 1 2 0 1 2 3 0 1 2 4.5. 10 GSM GSM (group speciale mobile) denotes the European GSM 06.10 standard for full rate speech transcoding, ETS 300 961, which is based on RPE LTP (residual pulse excitation long term prediction) coding at a rate of 13 kb s [13, 14, 15]. The text of the standard can be obtained from ETSI (European Telecommunications Standards Institute) ETSI Secretariat: B.P.152 F 06561 Valbonne Cedex France Phone: 33 92 94 42 00 Fax: 33 93 65 47 16 Blocks of 160 audio samples are compressed into 33 octets, for an effective data rate of 13,200 ....

.... 3 58 xmc[37] 3 21 xmc[8] 3 59 xmc[38] 3 22 xmc[9] 3 60 Nc[3] 7 23 xmc[10] 3 61 bc[3] 2 24 xmc[11] 3 62 Mc[3] 2 25 xmc[12] 3 63 xmaxc[3] 6 26 Nc[1] 7 64 xmc[39] 3 27 bc[1] 2 65 xmc[40] 3 28 Mc[1] 2 66 xmc[41] 3 29 xmaxc[1] 6 67 xmc[42] 3 30 xmc[13] 3 68 xmc[43] 3 31 xmc[14] 3 69 xmc[44] 3 32 xmc[15] 3 70 xmc[45] 3 33 xmc[16] 3 71 xmc[46] 3 34 xmc[17] 3 72 xmc[47] 3 35 xmc[18] 3 73 xmc[48] 3 36 xmc[19] 3 74 xmc[49] 3 37 xmc[20] 3 75 xmc[50] 3 38 xmc[21] 3 76 xmc[51] 3 Table 2: Ordering of GSM variables Schulzrinne Expires August 26, 1999 [Page 16] INTERNET DRAFT ....

S. M. Redl, M. K. Weber, and M. W. Oliphant, An Introduction to GSM. Boston: Artech House, 1995.

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S. M. Redl, M. K. Weber, and M. W. Oliphant. An Introduction to GSM. Artech House, Norwood, MA, U.S.A, 1995.

No context found.

Siegmund M. Redl, Matthias K. Weber, and Malcolm W. Oliphant. An Introduction to GSM. Artech House, 1995.

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S.M. Redl, M.W. Oliphant, and M.K. Weber. Introduction to GSM. Artech House, 1996.

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S.M. Redl, M.K.Weber, M.W.Oliphant, "An Introduction to GSM", Artech House Inc, 1995.

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S.H. Redl, M.K. Weber and M.W. Oliphant, An Introduction to GSM (Artech House, 1995).

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S. M. Redl, M. K. Weber, and M. W. Oliphant. An Introduction to GSM, Artech House, 1995.

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Redl, S.H., Weber, M.K., Oliphant, M.W. "An Introduction to GSM", The Artech House Mobile Communications Series, ISBN 0-89006-785-6, 1995.

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