Communication relay apparatus, remote control apparatus, system, area control method and program

A communication relay apparatus of aerial-staying type having a relay communication station and an antenna for service link for relaying radio communication of terminal apparatuses positioned in plural (N) cells formed toward a service area on a ground, the communication relay apparatus comprising:

• position estimation means for estimating positions of plural terminal apparatuses positioned in the service area;
• parameter optimization means for dividing the service area into plural (M) subareas including plural cells, and optimizing plural (L) kinds of antenna parameters of the antenna for service link for each of the subareas, based on an estimation result of the positions of the plural terminal apparatuses;
• and
• parameter application means for applying, to the antenna for service link, optimal values of the plural (L) kinds of antenna parameters after completing the optimization of each subarea for all of the plural (M) subareas, and
• wherein, when performing the optimization of the antenna parameters with any one of the plural subareas as a main target subarea, the parameter optimization means optimizes the antenna parameters for other subareas other than a main target subarea at a coarser granularity than for the main target subarea, when optimizing the antenna parameters for any one of the plural subareas as the main target subarea.

A remote control apparatus capable of communicating with a communication relay apparatus of aerial-staying type that has a relay communication station and an antenna for service link for relaying radio communications of terminal apparatuses positioned in plural (N) cells formed toward a service area on a ground, the remote control apparatus comprising:

• position estimation means for estimating positions of plural terminal apparatuses positioned in the service area;
• parameter optimization means for dividing the service area into plural (M) subareas including plural cells, and optimizing plural (L) kinds of antenna parameters of the antenna for service link for each of the subareas, based on an estimation result of the positions of the plural terminal apparatuses;
• and
• parameter transmission means for transmitting, to the communication relay apparatus, optimal values of the plural (L) kinds of antenna parameters after completing the optimization of each subarea for all of the plural (M) of subareas,
• wherein the parameter optimization means divides the service area into the plural subareas so that an interdependence between the subareas is reduced and
• wherein the parameter optimization means optimizes the antenna parameters for other subareas other than a main target subarea at a coarser granularity than for the main target subarea, when optimizing the antenna parameters for any one of the plural subareas as the main target subarea.

A remote control apparatus capable of communicating with a communication relay apparatus of aerial-staying type that has a relay communication station and an antenna for service link for relaying radio communications of terminal apparatuses positioned in plural (N) cells formed toward a service area on a ground, the remote control apparatus comprising:

• position estimation means for estimating positions of plural terminal apparatuses positioned in the service area;
• parameter optimization means for dividing the service area into plural (M) subareas including plural cells, and optimizing plural (L) kinds of antenna parameters of the antenna for service link for each of the subareas, based on an estimation result of the positions of the plural terminal apparatuses;
• and
• parameter transmission means for transmitting, to the communication relay apparatus, optimal values of the plural (L) kinds of antenna parameters after completing the optimization of each subarea for all of the plural (M) subareas, and
• wherein the parameter optimization means optimizes the antenna parameters for other subareas other than a main target subarea at a coarser granularity than for the main target subarea, when optimizing the antenna parameters for any one of the plural subareas as the main target subarea.

An area control method for a service area configured with plural (N) of cells formed from a communication relay apparatus of aerial-staying type toward a ground, the area control method comprising:

• estimating positions of plural terminal apparatuses positioned in the service area;
• dividing the service area into plural (M) subareas including plural cells, and optimizing plural (L) kinds of antenna parameters of an antenna for service link for each of the subareas, based on an estimation result of the positions of the plural terminal apparatuses;
• applying, to the antenna for service link, optimal values of the plural (L) kinds of antenna parameters after completing the optimization of each subarea for all of the plural (M) subareas;
• dividing the service area into the plural subareas so that an interdependence between the subareas is reduced;
• and
• optimizing the antenna parameters for other subareas other than a main target subarea at a coarser granularity than for the main target subarea, when optimizing the antenna parameters for any one of the plural subareas as the main target subarea.

An area control method for a service area configured with plural (N) cells formed from a communication relay apparatus of aerial-staying type toward a ground, comprising:

• estimating positions of plural terminal apparatuses positioned in the service area;
• dividing the service area into plural (M) subareas including plural cells, and optimizing plural (L) kinds of antenna parameters of an antenna for service link for each of the subareas, based on an estimation result of the positions of the plural terminal apparatuses;
• applying, to the antenna for service link, optimal values of the plural (L) kinds of antenna parameters after completing the optimization of each subarea for all of the plural (M) subareas;
• and
• optimizing the antenna parameters for other subareas other than a main target subarea at a coarser granularity than for the main target subarea, when optimizing the antenna parameters for any one of the plural subareas as the main target subarea.

A non-transitory computer readable medium containing software that is executed by a computer or processor provided in a communication relay apparatus of aerial-staying type that has a relay communication station and an antenna for service link for relaying radio communications of terminal apparatuses positioned in plural (N) cells formed toward a service area on a ground, the software comprising:

• executable code that estimates positions of plural terminal apparatuses positioned in the service area;
• executable code that divides the service area into plural (M) subareas including plural cells, and optimizes plural (L) kinds of antenna parameters of the antenna for service link for each of the subareas, based on an estimation result of the positions of the plural terminal apparatuses;
• executable code that applies, to the antenna for service link, optimal values of the plural (L) kinds of antenna parameters after completing the optimization of each subarea for all of the plural (M) subareas;
• executable code that divides the service area into the plural subareas so that an interdependence between the subareas is reduced;
• and
• executable code that optimizes the antenna parameters for other subareas other than a main target subarea at a coarser granularity than for the main target subarea, when optimizing the antenna parameters for any one of the plural subareas as the main target subarea.

A non-transitory computer readable medium containing software that is executed by a computer or processor provided in a communication relay apparatus of aerial-staying type that has a relay communication station and an antenna for service link for relaying radio communications of terminal apparatuses positioned in plural (N) cells formed toward a service area on a ground, the software comprising:

• executable code that estimates positions of plural terminal apparatuses positioned in the service area;
• executable code that divides the service area into plural (M) subareas including plural cells, and optimizes plural (L) kinds of antenna parameters of the antenna for service link for each of the subareas, based on an estimation result of the positions of the plural terminal apparatuses;
• executable code that applies, to the antenna for service link, optimal values of the plural (L) kinds of antenna parameters after completing the optimization of each subarea for all of the plural (M) subareas;
• and
• executable code that optimizes the antenna parameters for other subareas other than a main target subarea at a coarser granularity than for the main target subarea, when optimizing the antenna parameters for any one of the plural subareas as the main target subarea.

A non-transitory computer readable medium containing software executed by a computer or processor provided in a remote control apparatus capable of communicating with a communication relay apparatus of aerial-staying type that has a relay communication station and an antenna for service link for relaying radio communications of terminal apparatuses positioned in plural (N) cells formed toward a service area on a ground, the software comprising:

• executable code that estimates positions of plural terminal apparatuses positioned in the service area;
• executable code that divides the service area into plural (M) subareas including plural cells, and optimizes plural (L) kinds of antenna parameters of the antenna for service link for each of the subareas, based on an estimation result of the positions of the plural terminal apparatuses;
• executable code that transmits, to the communication relay apparatus, optimal values of the plural (L) kinds of antenna parameters after completing the optimization of each subarea for all of the plural (M) subareas;
• executable code that divides the service area into the plural subareas so that an interdependence between the subareas is reduced;
• and
• executable code that optimizes the antenna parameters for other subareas other than a main target subarea at a coarser granularity than for the main target subarea, when optimizing the antenna parameters for any one of the plural subareas as the main target subarea.

A non-transitory computer readable medium containing software that is executed by a computer or processor provided in a remote control apparatus capable of communicating with a communication relay apparatus of aerial-staying type that has a relay communication station and an antenna for service link for relaying radio communications of terminal apparatuses positioned in plural (N) cells formed toward a service area on a ground, the software comprising:

• executable code that estimates positions of plural terminal apparatuses positioned in the service area;
• executable code that divides the service area into plural (M) subareas including plural cells, and optimizes plural (L) kinds of antenna parameters of the antenna for service link for each of the subareas, based on an estimation result of the positions of the plural terminal apparatuses;
• executable code that transmits, to the communication relay apparatus, optimal values of the plural (L) kinds of antenna parameters after completing the optimization of each subarea for all of the plural (M) subareas;
• and
• executable code that optimizes the antenna parameters for other subareas other than a main target subarea at a coarser granularity than for the main target subarea, when optimizing the antenna parameters for any one of the plural subareas as the main target subarea.