Communication control apparatus, communication control method, and communication system
First Claim
Patent Images
1. A communication control system, comprising:
- a plurality of first communication control apparatuses;
a second communication control apparatus;
a communication controller configured to control communication of the second communication control apparatus with the plurality of first communication control apparatuses,wherein the communication between the second communication control apparatus and the plurality of first communication control apparatuses includes exchange of information associated with terminal grouping,wherein the second communication control apparatus is configured to distinguish operations to a specific wireless terminal and to a plurality of wireless terminals based on the exchange of the information associated with the terminal grouping, andwherein the communication controller is further configured to implement a cooperative communication, based on the exchange of the information, such that the second communication control apparatus and at least one of the plurality of first communication control apparatuses are coordinated to communicate with a target wireless terminal, andwherein during the cooperative communication;
a first time of the communication of the second communication control apparatus and a second time of the communication of the at least one of the plurality of first communication control apparatuses are different, anda first frequency of the communication of the second communication control apparatus and a second frequency of the communication of the at least one of the plurality of first communication control apparatuses are same,wherein at least one of transmission power or antenna directivity, determined from parameters of past transmission of a signal to the target wireless terminal, is changed for the second communication control apparatus and the at least one of the plurality of first communication control apparatuses; and
a list comparison unit configured to compare a first terminal list received from the plurality of first communication control apparatuses that show the terminal grouping and a second terminal list held by the second communication control apparatus, based on at least one terminal contained in the first terminal list and at least one terminal contained in the second terminal list.
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Abstract
There is provided a communication control apparatus including a communication controller that controls communication with other communication control apparatuses, the communication exchanging information about terminal grouping to distinguish operations to a specific wireless terminal and to other wireless terminals.
41 Citations
18 Claims
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1. A communication control system, comprising:
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a plurality of first communication control apparatuses; a second communication control apparatus; a communication controller configured to control communication of the second communication control apparatus with the plurality of first communication control apparatuses, wherein the communication between the second communication control apparatus and the plurality of first communication control apparatuses includes exchange of information associated with terminal grouping, wherein the second communication control apparatus is configured to distinguish operations to a specific wireless terminal and to a plurality of wireless terminals based on the exchange of the information associated with the terminal grouping, and wherein the communication controller is further configured to implement a cooperative communication, based on the exchange of the information, such that the second communication control apparatus and at least one of the plurality of first communication control apparatuses are coordinated to communicate with a target wireless terminal, and wherein during the cooperative communication; a first time of the communication of the second communication control apparatus and a second time of the communication of the at least one of the plurality of first communication control apparatuses are different, and a first frequency of the communication of the second communication control apparatus and a second frequency of the communication of the at least one of the plurality of first communication control apparatuses are same, wherein at least one of transmission power or antenna directivity, determined from parameters of past transmission of a signal to the target wireless terminal, is changed for the second communication control apparatus and the at least one of the plurality of first communication control apparatuses; and a list comparison unit configured to compare a first terminal list received from the plurality of first communication control apparatuses that show the terminal grouping and a second terminal list held by the second communication control apparatus, based on at least one terminal contained in the first terminal list and at least one terminal contained in the second terminal list. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A communication control method, comprising:
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in a second communication control apparatus; controlling, by a communication controller, communication of the second communication control apparatus with a plurality of first communication control apparatuses, wherein the communication between the second communication control apparatus and the plurality of first communication control apparatuses includes exchanging information associated with terminal grouping, wherein the second communication control apparatus is configured to distinguish operations to a specific wireless terminal and to a plurality of wireless terminals based on the exchanging of the information associated with the terminal grouping, and wherein the communication controller is further configured to implement a cooperative communication, based on the exchanging of the information, such that the second communication control apparatus and at least one of the plurality of first communication control apparatuses are coordinated to communicate with a target wireless terminal, and wherein during the cooperative communication; a first time of the communication of the second communication control apparatus and a second time of the communication of the at least one of the plurality of first communication control apparatuses are different, and a first frequency of the communication of the second communication control apparatus and a second frequency of the communication of the at least one of the plurality of first communication control apparatuses are same, wherein at least one of transmission power or antenna directivity, determined from parameters of past transmission of a signal to the target wireless terminal, is changed for the second communication control apparatus and the at least one of the plurality of first communication control apparatuses; and comparing a first terminal list received from the plurality of first communication control apparatuses that show the terminal grouping and a second terminal list held by the second communication control apparatus, based on at least one terminal contained in the first terminal list and at least one terminal contained in the second terminal list.
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17. A non-transitory computer-readable recording medium having stored thereon computer-executable instructions that, when executed by a computer, cause the computer to execute operations, the operations comprising:
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controlling, by a communication controller of a second communication control apparatus, communication of the second communication control apparatus with a plurality of first communication control apparatuses, wherein the communication between the second communication control apparatus and the plurality of first communication control apparatuses includes exchanging information associated with terminal grouping, wherein the second communication control apparatus is configured to distinguish operations to a specific wireless terminal and to a plurality of wireless terminals based on the exchanging of the information associated with the terminal grouping, and wherein the communication controller is further configured to implement a cooperative communication, based on the exchanging of the information, such that the second communication control apparatus and at least one of the plurality of first communication control apparatuses are coordinated to communicate with a target wireless terminal, and wherein during the cooperative communication; a first time of the communication of the second communication control apparatus and a second time of the communication of the at least one of the plurality of first communication control apparatuses are different, and a first frequency of the communication of the second communication control apparatus and a second frequency of the communication of the at least one of the plurality of first communication control apparatuses are same, wherein at least one of transmission power or antenna directivity, determined from parameters of past transmission of a signal to the target wireless terminal, is changed for the second communication control apparatus and the at least one of the plurality of first communication control apparatuses; and comparing a first terminal list received from the plurality of first communication control apparatuses that show the terminal grouping and a second terminal list held by the second communication control apparatus, based on at least one terminal contained in the first terminal list and at least one terminal contained in the second terminal list.
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18. A communication system, comprising:
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a first communication control apparatus; a second communication control apparatus, wherein the first communication control apparatus includes a communication controller configured to control communication of the first communication control apparatus with the second communication control apparatus, wherein the communication between the first communication control apparatus and the second communication control apparatus includes exchange of information associated with terminal grouping, wherein the first communication control apparatus and the second communication control apparatus are configured to distinguish operations to a specific wireless terminal and to a plurality of wireless terminals based on the exchange of the information associated with the terminal grouping, and wherein the communication controller is further configured to implement a cooperative communication, based on the exchange of the information, such that the first communication control apparatus and the second communication control apparatus are coordinated to communicate with a target wireless terminal, and wherein during the cooperative communication; a first time of the communication of the first communication control apparatus and a second time of the communication of the second communication control apparatus are different, and a first frequency of the communication of the first communication control apparatus and a second frequency of the communication of the second communication control apparatus are same, wherein at least one of transmission power or antenna directivity, determined from parameters of past transmission of a signal to the target wireless terminal, is changed for the first communication control apparatus and the second communication control apparatus; and a list comparison unit configured to compare a first terminal list received from the first communication control apparatus that shows the terminal grouping and a second terminal list held by the second communication control apparatus, based on at least one terminal contained in the first terminal list and at least one terminal contained in the second terminal list.
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Specification