Mobile radio communication system utilizing analog and digital modulation
AssigneeKabushiki Kaisha Toshiba
InventorsMasayuki Tanaka, Koichi Ito
Life of this patent
Estimating the term…
Abstract
A mobile radio communication system is provided with a base station apparatus connected to a wire circuit, a mobile radio station apparatus which is connected to the base station apparatus by a radio circuit, a mode designation device for selecting either an analog mode or a digital mode when radio communication is to be performed between the base station apparatus and the mobile radio station apparatus, and a mode-informing device for informing the base station apparatus of the mode designated by the mode designation device.
Claims25
A mobile radio communication system, comprising:
- a base station apparatus connected to a wire circuit;
- and
- a mobile radio station apparatus which is connected to the base station apparatus by a radio circuit;
- wherein, said mobile radio station apparatus includes mode designation input means for selectively designating one of an analog mode and a digital mode when radio communication is performed between the base station apparatus and the mobile radio station apparatus, and mode-informing means for transmitting mode designation data which is input through the mode designation input means to the base station apparatus;
- and
- said base station apparatus includes communication mode-setting means for setting one of the digital mode and the analog mode in accordance with the mode designation data transmitted from the mobile radio station apparatus.
A mobile radio communication system, comprising:
- a plurality of base station apparatuses connected to a wire circuit;
- and
- a mobile radio station apparatus which is connected to at least one of the plurality of base station apparatuses by a radio circuit;
- the mobile radio station apparatus including designation means for selectively designating one of an analog mode and a digital mode when radio communication is performed between said at least one of the base station apparatuses and said mobile radio station apparatus;
- and
- mode-indicating means for indicating a mode of communication in which the radio communication is performed between said at least one of the base station apparatuses and said mobile radio station apparatus, wherein the mode-indicating means provides an indication to a user that the mode of communication is not the digital mode when digital mode is selected by the designation means.
A mobile radio communication system, comprising:
- a plurality of base station apparatuses connected to a wire circuit;
- and
- a mobile radio station apparatus which is connected to at least one of the plurality of base station apparatuses by a radio circuit;
- the mobile radio station apparatus including designation means for selectively designating one of an analog mod and a digital mode when radio communication is performed between said at least one of the base station apparatuses and said mobile radio station apparatus;
- and
- mode-indicating means for indicating a mode of communication in which he radio communication is performed between said at least one of the base station apparatuses and said mobile radio station apparatus, wherein the mode-indicating means provides an indication to a user that the mode of communication is not the digital mode when the digital mode is selected by the designation means, and wherein the mode-indicating means further provides an indication to the user when the digital mode changes to the analog mode after the digital mode has been selectively designated by the designation means.
A mobile radio communication system, comprising:
- a plurality of base station apparatuses connected to a wire circuit;
- and
- a mobile radio station apparatus which is connected to at least one of the plurality of base station apparatuses by a radio circuit;
- the mobile radio station apparatus including designation means for selectively designating one of an analog mode and a digital mode when radio communication is performed between said at least one of the base station apparatuses and said mobile radio station apparatus;
- and
- mode-indicating means for indicating a mode of communication in which the radio communiaiton is performed between said at least one of the base station apparatuses and said mobile radio station apparatus, wherein the mode-indicating means provides an indication to a user that the mode of communication is not the digital mode when the digital mode is selected by the designation means, and wherein the mode-indicating means further provides an indication after a predetermined period of time elapses after the designation means selects the digital mode.
A method of indicating to a user of a radio communication system having a base station and a mobile radio station when an analog mode of communication is provided but a digital mode of communication has been selected by the user for communicating between the base station and the mobile radio station in a first radio zone, the method comprising the steps of:
- selecting, at the mobile radio station, the digital mode of communication between the base station ad the mobile radio station;
- transmitting the selected digital mode of communication to the base station;
- detecting whether the digital mode of communication is set;
- and
- providing an indication to the user if the digital mode of commnciaiton is not set.
A radio telephone apparatus comprising:
- a mode designation input device for selectively designating one of an analog mode and a digital mode when radio communication is performed by the radio telephone apparatus;
- mode-informing means for transmitting the mode designated by the mode designation input device to a radio telephone base station coupled to the radio telephone apparatus by a radio line;
- and
- indicating means for indicating when the mode the radio telephone apparatus communicates in is different from the mode designated by the mode designation input device.
Dependencies are inferred from the claim text.