Power saving system for time-division multiple access radiocommunication network

Claim 2

A power saving system for a time-division multiple access communication network having a first station and a plurality of second stations capable of individually establishing connections with said first station in response to a selection signal and relaying information signals through the established connections, the system comprising: means for interleaving a power saving control signal at periodic intervals with said selection signal and said information signals and transmitting the interleaved signals from said first station to said second stations; a plularity of means associated respectively with said second stations for individually cutting off power supplies to said second stations for a predetermined period in response to said control signal; and means for detecting the moment a connection is being established, identifying the second station establishing the connection, and selectively inhibiting one of said power cut-off means associated with the identified second station from responding to said control signal, while allowing the remainder of said power cut-off means to respond to said control signal.

Claim 3

A power saving system as claimed in claim 1, further comprising means for interleaving a special code with said interleaved signals in response to the occurrence of said selection signal, and wherein said detecting and identifying means comprises means for detecting said special code and identifying said second station based on the selection signal transmitted with the special code.

Claim 4

A power saving system as claimed in claim 1, wherein said detecting and inhibiting means comprises: code detector means located in each of said second stations for detecting said special code; delay means connected to said code detector means for introducing a delay time in response to the detection of said special code; and bistable means responsive to an output signal from said code detector means for generating a power-saving disabling signal and responsive to an output signal from said delay means for generating a power-saving enabling signal, the power cut-off means associated with each of said second stations being responsive to said power-saving disabling and enabling signals to effect power supply disablement and enablement, respectively.

Claim 5

A power saving system for a time-division multiple access communication system having a base station, a plularity of terminal stations capable of establishing connections with said base station in response to a selection signal and one or more repeater stations for relaying information signals through said connections, comprising: means for interleaving a power saving control signal at periodic intervals with said information signals and transmitting the interleaved signals from said base station to said terminal stations through one or more of said repeater stations; a plularity of means associated respectively with said repeater and terminal stations for individually cutting off their power supplies for a predetermined period in response to said control signal; and means for detecting the moment a connection is being established, identifying the repeater station and terminal station between which said connection is being established and selectively inhibiting one of said power cut-off means associated with the identified repeater station and terminal station from responding to said control signal, while allowing the remainder of said power cut-off means to respond to said control signal.

Claim 6

A power saving system for a time-division multiple access communication system having a base station, a plularity of terminal stations capable of establishing connections with said base station in response to a selection signal and one or more repeater stations for relaying information signals through said connections, comprising: means for interleaving a power saving control signal at periodic intervals with said information signals and transmitting the interleaved signals from said base station to said terminal stations through one or more of said repeater stations; a plularity of means associated respectively with said repeater and terminal stations for individually cutting off their power supplies for a predetermined period in response to said control signal; and means for detecting the moment a connection is being established, identifying the repeater station and terminal station between which said connection is being established and selectively inhibiting one of said power cut-off means associated with the identified repeater station and terminal station from responding to said control signal, while allowing the remainder of said power cut-off means to respond to said control signal.

Claim 7

A power saving system as claimed in claim 4, further comprising means for interleaving a special code with said interleaved signals in response to the occurrence of said selection signal, and wherein said detecting and identifying means comprises means for detecting said special code and identifying said second station based on the selection signal transmitted with the special code.

Claim 8

A power saving system as claimed in claim 3, further comprising means for interleaving a special code with said interleaved signals in response to the occurrence of a request for establishing a connection, and wherein said detecting and inhibiting means comprises: code detector means located in each of said repeater stations for detecting said special code; delay means connected to said code detector means for introducing a delay time in response to the detection of said special code; and bistable means responsive to an output signal from said code detector means for generating a power-saving disabling signal and responsive to an output signal from said delay means for generating a power-saving enabling signal, the power cut-off means associated with each of said repeater stations being responsive to said power-saving disabling and enabling signals to effect power supply disablement and enablement, respectively.

Claim 9

A power saving system as claimed in claim 5, wherein said interleaved special code is transmitted from each of said terminal station to said repeater stations.

Claim 12

A method as claimed in claim 7, further comprising interleaving a special code and said selection signal with said interleaved signals, and wherein the step (d) comprises detecting said special code and identifying said second station based on the selection signal interleaved with the special code.

Claim 13

A time-division multiple access communication network having a first station and a plurality of second stations capable of individually establishing connections with said first station in response to a selection signal and relaying information signals through the established connections, the network comprising: means for interleaving a power saving control signal at periodic intervals with said selection signal and said information signals and transmitting the interleaved signals from said first station to said second stations; a plularity of means associated respectively with said second stations for individually cutting off power supplies to said second stations for a predetermined period in response to said control signal; and means for detecting the moment a connection is being established, identifying the second station establishing the connection, and selectively inhibiting one of said power cut-off means associated with the identified second station from responding to said control signal, while allowing the remainder of said power cut-off means to respond to said control signal.

Claim 14

A time-division multiple access communication network having a first station and a plurality of second stations capable of individually establishing connections with said first station in response to a selection signal and relaying information signals through the established connections, the network comprising: means for interleaving a power saving control signal at periodic intervals with said selection signal and said information signals and transmitting the interleaved signals from said first station to said second stations; a plularity of means associated respectively with said second stations for individually cutting off power supplies to said second stations for a predetermined period in response to said control signal; and means for detecting the moment a connection is being established, identifying the second station establishing the connection, and selectively inhibiting one of said power cut-off means associated with the identified second station from responding to said control signal, while allowing the remainder of said power cut-off means to respond to said control signal.

Claim 15

A time-division multiple access communication network as claimed in claim 10, further comprising means for interleaving a special code with said interleaved signals in response to the occurrence of said selection signal, and wherein said detecting and identifying means comprises means for detecting said special code and identifying said second station based on the selection signal transmitted with the special code.

Claim 16

A time-division multiple access communication network as claimed in claim 10, wherein said detecting and inhibiting means comprises: code detector means located in each of said second stations for detecting said special code; delay means connected to said code detector means for introducing a delay time in response to the detection of said special code; and bistable means responsive to an output signal from said code detector means for generating a power-saving disabling signal and responsive to an output signal from said delay means for generating a power-saving enabling signal, the power cut-off means associated with each of said second stations being responsive to said power-saving disabling and enabling signals to effect power supply disablement and enablement, respectively.