Base station apparatus and a mobile radio terminal for a radio communication system, and radio communication system, and a communicating method in a radio communication system
First Claim
1. A base station apparatus for a radio communication system for communicating with a mobile radio terminal over a radio line comprising:
- a voice communication processing system for processing voice signals,a data communication processing system for processing data signals, said data communication processing system including a low-speed modulating/demodulating unit for modulating and demodulating said data signals at a processing rate lower than a processing rate of said voice communication processing system;
a storing unit for storing communication type discrimination information about which type of communication the mobile radio terminal intends to selectively perform among voice communication and data communication with said base station; and
a voice/data communication switching unit for making a switchover between said voice communication processing system and said data communication processing system based on said communication type discrimination information stored in said storing unit.
1 Assignment
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Accused Products
Abstract
A base station for a radio communication system suitable for use if a radio data communication network is configured using a mobile radio terminal has a base station apparatus for a radio communication system which communicates with a mobile radio terminal over a radio line. The base station apparatus for a radio communication system has a voice communication processing system for processing voice signals and a data communication processing system for processing data signals. The data communication processing system has a low-speed modulating/demodulating unit for conducting a modulating/demodulating process on data signals at a processing speed lower than a processing speed of the voice communication processing system, thereby dividing a way of use of a communication channel and a control channel into data communication purpose and voice communication purpose upon data communication so as to increase an efficiency of utilization of the line.
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Citations
19 Claims
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1. A base station apparatus for a radio communication system for communicating with a mobile radio terminal over a radio line comprising:
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a voice communication processing system for processing voice signals, a data communication processing system for processing data signals, said data communication processing system including a low-speed modulating/demodulating unit for modulating and demodulating said data signals at a processing rate lower than a processing rate of said voice communication processing system; a storing unit for storing communication type discrimination information about which type of communication the mobile radio terminal intends to selectively perform among voice communication and data communication with said base station; and a voice/data communication switching unit for making a switchover between said voice communication processing system and said data communication processing system based on said communication type discrimination information stored in said storing unit. - View Dependent Claims (2, 3, 4)
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5. A base station apparatus for a radio communication system for communicating with a mobile radio terminal over a radio line comprising;
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a voice communication processing system for processing voice signals and a data communication processing system for processing data signals; said data communication processing system including; a low-speed modulating/demodulating unit for modulating and demodulating said data signals at a processing rate lower than a processing rate of said voice communication processing system, and a storing unit for storing data as to whether said mobile radio terminal is a mobile radio terminal for voice communication or a mobile radio terminal for data communication at the time of location registration of said mobile radio terminal.
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6. A base station apparatus for a radio communication system for communicating with a mobile radio terminal over a radio line, and being connected to a digital switching network comprising:
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a time-division multiplex processing unit for conducting a time-division multiplexing process on signals transmitted and received by an antenna; a code expansion/compression processing unit being connected to said time-division multiplex processing unit to conduct an expanding/compressing process on voice signals; a low-speed modulating/demodulating unit being connected to said time-division multiplex processing unit to conduct a modulating/demodulating process on data signals at a processing speed lower than a processing speed of said code expansion/compression processing unit; an interface processing unit being connected to said low-speed modulating/demodulating unit to conduct an analog/digital converting process and a digital/analog converting process on said data signals; a voice/data communication switching unit for selectively switching said code expansion/compression processing unit or said interface processing unit; a storing unit for storing data as to whether said mobile radio terminal is a mobile radio terminal for voice communication or a mobile radio terminal for data communication at the time of location registration of said mobile radio terminal; and a control unit for transmitting control channel information to said mobile radio terminal through said time-division multiplex processing unit and said antenna in response to a demand from a network, and controlling assignment of communication channels between said base station apparatus and said mobile radio terminals on the basis of stored information in said storing unit. - View Dependent Claims (7, 8, 9)
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10. A mobile radio terminal for a radio communication system for communicating with a base station apparatus over a radio line comprising:
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a voice communication processing unit for processing voice signals; a data communication processing unit for processing data signals; a control unit for generating control data including at least location registration data to said base station apparatus; and a switching unit for selectively switching said voice communication processing system, said data communication processing system or said control unit. - View Dependent Claims (11, 12)
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13. A radio communication system having a base station apparatus and a mobile radio terminal communicating with each other over a radio line comprising:
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said base station apparatus comprising; a base station voice communication processing system for processing voice signals; a base station data communication processing system for processing data signals; said base station data communication processing system comprising; a low-speed modulating/demodulating unit for conducting a modulating/demodulating process on said data signals at a processing speed lower than a processing speed of said base station voice communication processing system; an analog/digital converting unit being connected to said low-speed modulating/demodulating unit to conduct an analog/digital converting process on said data signals; said mobile radio terminal comprising; a radio terminal voice communication processing system for processing voice signals; a radio terminal data communication processing system for processing data signals; a control unit for generating control data including at least location registration data to said base station apparatus; and a switching unit for selectively switching said radio terminal voice communication processing system, said radio terminal data communication processing system or said control unit.
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14. A communicating method in a radio communication system having a base station apparatus and a mobile radio terminal communicating with each other over a radio line having a communication channel and a control channel comprising the steps of:
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assigning one slot for every first period on said communication channel at the time of transmission and reception of voice signals to implement communication using said voice signals; and assigning plural slots for every second period longer than said first period on said communication channel at the time of transmission and reception of data signals to implement communication using said data signals. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification