Telecommunications – Radiotelephone system – Programming control
Patent
1998-08-26
2000-12-26
Eisenzopf, Reinhard J.
Telecommunications
Radiotelephone system
Programming control
455418, 455455, H04M 300
Patent
active
061672572
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a method of changing the telecommunication settings of a subscriber station in a radio system providing a wireless subscriber interface. The invention further relates to a radio system providing a wireless subscriber interface and comprising a subscriber network element in a data transmission connection with a local exchange of a public telephone network, base stations and subscriber stations, the subscriber network element and said base stations comprising means for transferring telecommunication signals between the local exchange and the subscriber stations. The invention further relates to a subscriber station of a radio system providing a wireless subscriber interface and consisting of terminal equipment having a radio part, and of a user interface linked to the terminal equipment by means of a two-wire line.
In this connection, the concept telecommunication setting refers to the parameters in a subscriber station affecting the telecommunication connection between the subscriber station and the system subscriber network element. That is, said telecommunications settings include e.g. the radio cell identity and the frequency of the calling channel the subscriber station should utilize, the maximum transmission output level used by the subscriber station, and information indicative of the subscriber station call set-up procedure (transparent vs. non-transparent).
The invention relates to the operation of a subscriber station used in a WLL system (Wireless Local Loop), that is, a radio system providing a wireless subscriber interface. In the WLL system, a usual two-wire telephone set is linked by means of special terminal equipment via a radio connection to a local exchange in a telephone network, the exchange in turn being linked to the public telephone network via network cabling. In this connection, a subscriber station refers to the equipment available to a subscriber for transmitting and receiving telecommunication signals, that is, in the case of a special WLL subscriber station, it comprises terminal equipment consisting of a radio part and a teleadapter (to which a user interface, such as a telephone set, is connected), and a user interface, such as a telephone, a telefax terminal, a computer/modem combination or the like, connected to the terminal equipment.
In WLL systems, the terminal equipment of a subscriber station is also located on subscriber premises where the operator maintenance personnel often have no easy entry. In practice, this has caused problems, e.g. when the system has to be reconfigured and the telecommunications settings have to be modified. A typical situation is when a new radio cell is set up near a radio cell that has been congested, the geographical areas covered by the cells being at least partially overlapping. In this case it is usually desirable to move part of the subscriber stations covered by the old radio cell to be covered by the new cell to equalize cell load. In known WLL systems such network reconfiguration has always called for manual changes by the operator maintenance personnel in all subscriber stations to be moved to the new cell. It is evident that this operation is slow and extremely laborious.
It is an object of the present invention to solve the above problem and to provide an easier and faster method of changing the telecommunication settings of a subscriber station. This object is achieved with the method of the invention, characterized in that the subscriber station is equipped with means for changing its telecommunication settings as a response to a message received by the subscriber station over the radio path, a message containing new telecommunication settings is transmitted to the subscriber station, and an acknowledgement of the implementation of the new telecommunication settings is awaited from the subscriber station.
The invention is based on the idea that controlling subscriber stations in the WLL system becomes significantly easier if the subscriber stations are equipped with means by which the telecommun
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International Search Report for PCT FI97/00152.
Eisenzopf Reinhard J.
Nokia Telecommunications Oy
Ramos-Feliciano Eliseo
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