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Mobile commmunication terminal

A mobile communication terminal and terminal technology, applied in telephone communication, communication between multiple stations, telephone structure, etc., can solve problems such as difficulty in preventing multiple start-up switching, deterioration of line quality, and decrease in signal-to-noise ratio. Achieve the effect of suppressing and controlling communication traffic and improving communication quality

Inactive Publication Date: 2004-03-03
MITSUBISHI ELECTRIC CORP
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Problems solved by technology

However, in this case, even if the received electric field level is large as described above, if the interference wave and noise are larger than it, and there is no device for detecting the moving speed of the mobile device, it will be difficult to obtain information from the mobile device equipped with a mobile communication terminal. The movement speed adjustment smoothing time, it is difficult to prevent multiple start switching
In addition, when the receiving electric field level is used to indicate the line quality, even if the receiving electric field level is increased, if the interference wave and noise ratio are larger, the signal-to-noise ratio will decrease. worsening problem

Method used

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Embodiment Construction

[0043] Hereinafter, in order to describe the present invention in more detail, the best mode for carrying out the present invention will be described with reference to the drawings. Embodiment 1

[0044] Fig. 5 is a block diagram showing an ideal mobile communication terminal of the present invention. In the figure, 1a, 1b, and 1c are wireless base stations, and 3 is a mobile communication terminal moving within the cell of the base station covered by these wireless base stations 1a, 1b, and 1c. part.

[0045] In addition, 11 is a receiving device which sets the frequency of a received signal, receives signals from the wireless base station 1a, the wireless base station 1b, and the wireless base station 1c, and detects them. 12 is a demodulator for demodulating the received signal detected by the receiver 11, and 13 is a demultiplexer for dividing the received data demodulated by the demodulator 12 into a known pattern data part and a user data part . 14 is a known pattern...

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Abstract

The mobile communication terminal possesses the reception electric field level measuring set for measuring the reception electric field level of signal received from wireless base station, as well as the terminal speed measuring set for measuring speed between the mobile communication terminal and the said wireless base station. Based on the speed and reception electric field level measured, the control device controls switching wireless communication lines.

Description

[0001] The patent application of the present invention is a divisional application of the parent application with the patent application number No.98808725.1. The international application number of the parent application is PCT / JP98 / 02943, and the international application date is June 30, 1998. technical field [0002] The present invention relates to a mobile communication terminal used in a mobile communication system, and in particular, to a base station that supplements the moving side when a mobile communication terminal (mobile station) moves from a base station cell of a wireless base station in communication to a base station cell of another wireless base station The communication channel of the cell continues to perform switching control of communication. Background technique [0003] In a mobile communication system, when a mobile communication terminal communicating with a radio base station moves from the base station cell of the communicating radio base station...

Claims

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Application Information

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IPC IPC(8): H04M1/02H04B7/26H04M1/72454
Inventor 挂樋勇次
Owner MITSUBISHI ELECTRIC CORP
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