Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Patent
1997-04-08
1999-11-16
Bost, Dwayne D.
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
455423, H04Q 734
Patent
active
059873060
DESCRIPTION:
BRIEF SUMMARY
THE SCOPE OF THE INVENTION
The present invention relates to a system for monitoring telephone networks and/or telecommunication networks, in particular cellular telephone networks.
THE BACKGROUND TO THE INVENTION
The rapid, world-wide expansion in cellular networks combined with keener competition among network operators, has meant an ever increasing need for continuous improvement as to quality and accessibility of networks as stated.
Where the network operator is concerned, higher quality and better accessibility must be obtained while at the same time prices of calls and other services should be kept as low as possible. Subscribers expect the operator of the cellular network to be able to offer services of a high quality at a price comparable to that of fixed installed networks.
To meet these requirements, the applicant has developed a system for monitoring cellular networks as stated, namely a system comprising an operator's tool for testing, verification, planning and maintenance, as well as continuous inspection and monitoring of cellular networks
With this system, the operator will be able to verify his planning and restructuring of cells for expanding and enhancing the network, to detect problems in existing networks as seen from the subscriber's point of view, and with speed and efficiency take steps to resolve any problem as stated. Because the system comprises manageable electronic data, it will be possible for the operator to obtain statistical lists to be used in analysing the quality of the network, and also to obtain at desired points in the network and at any time, a clear picture of the immediate and future measures which need to be implemented in order to maintain an optimal network.
THE AIMS OF THE INVENTION
One aim of the present invention is to describe a system which may be designed and configured for simple installation and operation while at the same time procuring objective observations of the performance in the network concerned and thus information to the network operator concerning the service provided through the network.
A further aim of the invention is to provide a system whereby the operator may in a simple manner set the requisite control parameters, and a system which, once the parameters and operating commands have been set, more or less operates without supervision.
Another aim of the invention is to describe a system which may be built on a modular basis, thus permitting simple extension of the system when the network(s) concerned grows larger, whether relating to analogous and/or digital standards.
Yet a further aim of the invention is to describe a system designed in such a way as to allow the processed data to provide information in relevant and easily readable formats, e.g. for printed reports and suitable statistics.
One more aim of the invention is to describe a system where the operator may evaluate the performance statistics relative to random points in the network, or study in detail the network performance as experienced by a user.
SUMMARY OF THE INVENTION
These aims are achieved according to the invention by a system of the nature described initially, which is characterised in that it comprises one or several fixed and mobile units, referred to here as field units or test units, the said units containing quality observing organs which communicate with an operator of the network, in particular an operator for a cellular mobile network.
The most important components which are part of the system according to the invention thus comprise a mobile test unit (MTU) and a fixed test unit (FTU), the mobile test unit preferably being designed as an autonomous module, capable of receiving orders from and supply results to a fixed unit. The mobile unit may be programmed or ordered to carry out quality observations comprising the radio signal level on one or several defined channels, signalling of decoding , calculations of bit error rate, performing analogous measurings, both "down-link" and "up-link", and log position information.
Results observed by the mobil
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Berntzen Rune
Nilsen Arild
Bost Dwayne D.
Gelin Jean A.
Telefonaktiebolaget L M Ericsson
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