Automatic call making system and a mobile radio terminal

Claim 2

An automatic call making system comprising: a plurality of base stations each having a specific identification number and having a cellular structure for transmitting a signal in a waiting control channel; and a radio terminal having means for receiving the signals transmitted from the plurality of base stations, a clock and a means for detecting each base station identification number, and having a function of tentatively storing data to be transmitted and a function of resuming and continuing communication by automatically carrying out a line connecting process when stored data is present, wherein: the terminal measures a receiving time, during which stable radio wave reception is possible for each base station signal, stores these receiving times as statistically stable receiving times, and makes a call to one of the plurality of base stations on the basis of the statistically stable receiving times, for making a call the terminal subtracts a time during which the terminal has been present in the statistically stable receiving time of the base station signal, and postpones the call making when the difference is below a prescribed value, while making a call when the difference is above the prescribed value.

Claim 3

An automatic call making system comprising: a plurality of base stations each having a specific identification number and having a cellular structure for transmitting signals in a waiting control channel; and a radio terminal having means for receiving the signals transmitted from the plurality of base stations, a clock and a means for detecting the base station identification numbers, and having a function of tentatively storing data to be transmitted and a function of resuming and continuing communication by automatically doing a line connecting process when stored data is present; wherein: the terminal measures a receiving time, during which stable radio wave reception is possible for each base station signal, stores these times as statistically stable receiving times, stores receiving order combinations of the base stations based on a period that the statistically stable receiving times for each of the plurality of base stations is above a predetermined time, and when communication between the terminal and one of the plurality of base stations takes place, the terminal awaits reception of the signal from the base station to be subsequently received on the basis of the receiving order combinations, and upon reception of the signal makes a call to the base station of the subsequently received signal.

Claim 4

An automatic call making system comprising: a plurality of base stations each having a specific identification number and having a cellular structure for transmitting signals in a waiting control channel; and a radio terminal having means for receiving the signals transmitted from the plurality of base stations, a clock and a means for detecting the base station identification numbers, and having a function of tentatively storing data to be transmitted and a function of resuming and continuing communication by automatically doing a line connecting process when stored data is present; wherein: the terminal measures a receiving time, during which stable radio wave reception is possible for each base station signal, stores these times as statistically stable receiving times, stores receiving order combinations of the base stations based on a period that the statistically stable receiving times for each of the plurality of base stations is above a predetermined time, and when communication between the terminal and one of the plurality of base stations takes place, the terminal awaits reception of the signal from the base station to be subsequently received on the basis of the receiving order combinations, and upon reception of the signal makes a call to the base station of the subsequently received signal.

Claim 5

An automatic call making system comprising: a plurality of base stations each having a specific identification number and having a cellular structure for transmitting signals in a waiting control channel; and a radio terminal having means for receiving the signals transmitted from the base stations, a clock, an input electric field intensity level detecting means or a BER detecting means and means for detecting the base station identification number, and having a function of tentatively storing data to be transmitted and a function of resuming and continuing communication by automatically doing a line connecting process when stored data is present; wherein: the terminal receives a waiting control channel which is always transmitted by the base stations, and makes a call when an average value of input electric field intensity levels from one of the plurality of base stations exceeds an electric field predetermined value or when an average value of the BERs is below a BER predetermined value and when the degree of separation between the average value of the input electric field intensity levels of consecutive base stations of the plurality of base stations are below each other.

Claim 6

An automatic call making system comprising: a plurality of base stations each having a specific identification number and having a cellular structure for transmitting signals in a waiting control channel; and a radio terminal having means for receiving the signals transmitted from the base stations, a clock, an input electric field intensity level detecting means or a BER detecting means and means for detecting the base station identification number, and having a function of tentatively storing data to be transmitted and a function of resuming and continuing communication by automatically doing a line connecting process when stored data is present; wherein: the terminal receives a waiting control channel which is always transmitted by the base stations, and makes a call when an average value of input electric field intensity levels from one of the plurality of base stations exceeds an electric field predetermined value or when an average value of the BERs is below a BER predetermined value and when the degree of separation between the average value of the input electric field intensity levels of consecutive base stations of the plurality of base stations are below each other.

Claim 7

The automatic call making system according to claim 3 , wherein the terminal postpones the call making for a predetermined time when the input electric field intensity level is below the electric field predetermined value.

Claim 8

In a radio communication system comprising: a plurality of base stations each having a cellular structure for transmitting a specific identification signal in a waiting control channel; a radio terminal having a means for receiving radio waves transmitted from the base stations and a means for detecting the base station identification signal, and having a function of tentatively storing data to be transmitted and a function of automatically doing a line connecting process for resuming and continuing communication if stored data is present; and a switching system for predicting the route of the terminal and doing a hand-over process for the terminal as the terminal successively receives the radio waves from the plurality of base stations by switching a communication line of the terminal to the base station of the best electric field intensity; an automatic call making system that, when the terminal is handed over from a first base station to a second base station having a transmission/reception allowable time shorter than a predetermined time, forcively disconnects the communication of the second base station with the terminal, and in the communication disconnecting process provides to the terminal a third base station identification signal allowing transmission/reception for more than the predetermined time, and when receiving the third identification signal the terminal makes a call to the third base station to resume communication.

Claim 9

In a radio communication system comprising: a plurality of base stations each having a cellular structure for transmitting a specific identification signal in a waiting control channel; a radio terminal having a means for receiving radio waves transmitted from the base stations and a means for detecting the base station identification signal, and having a function of tentatively storing data to be transmitted and a function of automatically doing a line connecting process for resuming and continuing communication if stored data is present; and a switching system for predicting the route of the terminal and doing a hand-over process for the terminal as the terminal successively receives the radio waves from the plurality of base stations by switching a communication line of the terminal to the base station of the best electric field intensity; an automatic call making system that, when the terminal is handed over from a first base station to a second base station having a transmission/reception allowable time shorter than a predetermined time, forcively disconnects the communication of the second base station with the terminal, and in the communication disconnecting process provides to the terminal a third base station identification signal allowing transmission/reception for more than the predetermined time, and when receiving the third identification signal the terminal makes a call to the third base station to resume communication.

Claim 10

A communication system comprising: a plurality of base stations, each of the plurality of base stations transmitting an electromagnetic signal that defines a communication area; and a terminal unit operable to communicate with the plurality of the base stations, measure an average reception time that the terminal unit is present in the communication area of each of the plurality of the base stations and initiate communication with a base station of the plurality of the base stations as a function of the average reception time, wherein the terminal unit is further operable to prevent communication with the base station when the difference between the amount of time the terminal unit has been present in the communication area and the average reception time of the base station is below a prescribed value.

Claim 11

A communication system comprising: a plurality of base stations, each of the plurality of base stations transmitting an electromagnetic signal that defines a communication area; and a terminal unit operable to communicate with the plurality of the base stations, measure an average reception time that the terminal unit is present in the communication area of each of the plurality of the base stations and initiate communication with a base station of the plurality of the base stations as a function of the average reception time, wherein the terminal unit is further operable to prevent communication with the base station when the difference between the amount of time the terminal unit has been present in the communication area and the average reception time of the base station is below a prescribed value.