Wireless communication system, wireless communication apparatus and wireless communication method with sleep condition features
First Claim
Patent Images
1. A wireless communication apparatus comprising:
- a transmitter configured to transmit signals;
a receiver configured to receive signals; and
a control unit configured toset the receiver to a first awake mode after a beacon signal is transmitted by the transmitter, and continue in the first awake mode until a designated period of time has elapsed,set the receiver to a sleep mode after the designated period of time has elapsed,switch the receiver to a second awake mode from the sleep mode at a next signal transmitting time or at a next signal receiving time, and continue the second awake mode until completion of a receiving or a transmitting procedure,wherein the designated period of time begins from a time of finishing the transmitting procedure.
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Abstract
In order to solve problems arising when a communication system such as a wireless LAN is constructed as a decentralized distributed type network without a relationship of control station and controlled stations such as a master station and slave stations, in a wireless communication system composed of a plurality of communication stations without a relationship of control station and controlled stations, respective communication stations transmit beacons with information concerning a network written thereon with each other to construct the network, and it becomes possible to make sophisticated judgment such as communication states of other communication stations by those beacons.
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Citations
20 Claims
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1. A wireless communication apparatus comprising:
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a transmitter configured to transmit signals; a receiver configured to receive signals; and a control unit configured to set the receiver to a first awake mode after a beacon signal is transmitted by the transmitter, and continue in the first awake mode until a designated period of time has elapsed, set the receiver to a sleep mode after the designated period of time has elapsed, switch the receiver to a second awake mode from the sleep mode at a next signal transmitting time or at a next signal receiving time, and continue the second awake mode until completion of a receiving or a transmitting procedure, wherein the designated period of time begins from a time of finishing the transmitting procedure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless communication apparatus comprising:
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a transmitter configured to transmit signals; a receiver configured to receive signals; and a control unit configured to transmit a beacon signal from the transmitter and then set the receiver to a first awake mode and continue in the first awake mode until a designated period of time has elapsed and then set the receiver to a sleep mode, and at a next signal transmitting time or a next signal receiving time, switch the receiver to a second awake mode from the sleep mode and continue in the second awake mode until completion of a receiving procedure or a transmitting procedure, wherein the designated period of time begins from a time of finishing the receiving procedure. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification