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IEEE Communications Magazine, 1998
Due to the FCC requirement that operators of mobile communications networks be able to accurately locate mobile callers requesting emergency assistance via 911 by the year 2001, there has been a lot of activity among cellular and PCS providers to examine cellular positioning options.
Christopher Drane +2 more
exaly +2 more sources
Due to the FCC requirement that operators of mobile communications networks be able to accurately locate mobile callers requesting emergency assistance via 911 by the year 2001, there has been a lot of activity among cellular and PCS providers to examine cellular positioning options.
Christopher Drane +2 more
exaly +2 more sources
Proceedings of IEEE Vehicular Technology Conference (VTC), 2002
The GSM system of today is evolving towards smaller cells and higher traffic capacity. The need for microcell and even picocell systems will be greatly increased in the near future. One of the most important factors will then be to provide high traffic capacity and to provide an easy way of performing frequency planning for the system operator. In this
Caisa Carneheim +4 more
openaire +1 more source
The GSM system of today is evolving towards smaller cells and higher traffic capacity. The need for microcell and even picocell systems will be greatly increased in the near future. One of the most important factors will then be to provide high traffic capacity and to provide an easy way of performing frequency planning for the system operator. In this
Caisa Carneheim +4 more
openaire +1 more source
Proceedings of IEEE Vehicular Technology Conference (VTC), 2002
The third generation systems (e.g. FPLMTS) aim at fulfilling high requirements on flexibility, capacity, quality, coverage and cost. Long before the introduction of the third generation systems their need will be challenged by evolution of the existing cellular systems.
Jonas Näslund +6 more
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The third generation systems (e.g. FPLMTS) aim at fulfilling high requirements on flexibility, capacity, quality, coverage and cost. Long before the introduction of the third generation systems their need will be challenged by evolution of the existing cellular systems.
Jonas Näslund +6 more
openaire +1 more source
1994
GSM is now a fully evolutive systems, a platform which can accept improvements, new features, or modifications needed to adapt it to something which was not foreseen from the start. This is important for companies operating a GSM network, which can expect that there investment will be a sufficiently long-term one, but also to conquer new markets.
Michel Mouly, Marie-Bernadette Pautet
openaire +1 more source
GSM is now a fully evolutive systems, a platform which can accept improvements, new features, or modifications needed to adapt it to something which was not foreseen from the start. This is important for companies operating a GSM network, which can expect that there investment will be a sufficiently long-term one, but also to conquer new markets.
Michel Mouly, Marie-Bernadette Pautet
openaire +1 more source
2012
The objective of this chapter is to provide an innovative system for tracking and monitoring objects using RF transmitters and receivers, and querying about these objects using mobile phones. The protocol for the system and a simulation to check the feasibility of this project before applying it to a real world scenario is presented below.
K.G. Srinivasa +3 more
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The objective of this chapter is to provide an innovative system for tracking and monitoring objects using RF transmitters and receivers, and querying about these objects using mobile phones. The protocol for the system and a simulation to check the feasibility of this project before applying it to a real world scenario is presented below.
K.G. Srinivasa +3 more
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2014 IEEE 11th International Conference on Mobile Ad Hoc and Sensor Systems, 2014
In this demo, we demonstrate integration of cognitive radio capabilities, on the fly, with GSM base station (BTS) using OpenBTS architecture. The demonstration has following novel features: Cognitive sensing of the channel, in use by secondary user, while transmitting, On the fly shifting to free GSM subchannel without call drop, Works with existing ...
S. Yuva Kumar +3 more
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In this demo, we demonstrate integration of cognitive radio capabilities, on the fly, with GSM base station (BTS) using OpenBTS architecture. The demonstration has following novel features: Cognitive sensing of the channel, in use by secondary user, while transmitting, On the fly shifting to free GSM subchannel without call drop, Works with existing ...
S. Yuva Kumar +3 more
openaire +1 more source
IPv6‐GSM: An IPv6‐based solution for GSM number portability
International Journal of Network Management, 2003AbstractThis paper proposes an algorithm called IPv6‐GSM. In IPv6‐GSM, users own GSM Local Number Portability (LNP) capability and can communicate with VoIP terminals efficiently. Therefore, with the ample address space and embedded neat mobility mechanism than its ancestor, IPv6‐GSM is demonstrated as an acceptable method for constructing future all ...
Han-Chieh Chao +2 more
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BOOLEAN GRAMMARS AND GSM MAPPINGS
International Journal of Foundations of Computer Science, 2010It is proved that the language family generated by Boolean grammars is effectively closed under injective gsm mappings and inverse gsm mappings (where gsm stands for a generalized sequential machine). The same results hold for conjunctive grammars, unambiguous Boolean grammars and unambiguous conjunctive grammars.
Tommi Lehtinen 0001, Alexander Okhotin
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