RELAY STATION DEVICE, BASE STATION DEVICE, MOBILE STATION DEVICE, AND RADIO COMMUNICATION SYSTEM

• US 20110065379A1
• Filed: 09/01/2010
• Published: 03/17/2011
• Est. Priority Date: 09/11/2009
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Sakoda, Kazuyuki, Takano, Hiroaki
• Granted Patent: US 8,521,080 B2
• Time in Patent Office: Days
• US Class Current: 455/7
• CPC Class Codes: H04B 7/155 Ground-based stations H04B7/204 takes precedence
• CPC Class Codes: H04B 7/2606 Arrangements for base station coverage control, e.g. by using relays in tunnels
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 84/047 using dedicated repeater stations

Abstract

There is provided a relay station including a base station-relay station resource allocation request-transmission section which transmits a base station-relay station resource allocation request indicating that allocation of a base station-relay station resource is requested, the base station-relay station resource being a resource used by a radio signal transmitted/received between a base station and the relay station, to the base station using a radio signal, a base station-relay station resource allocation response-reception section which receives base station-relay station resource information indicating the base station-relay station resource from the base station using a radio signal, as a base station-relay station resource allocation response which is a response with respect to the base station-relay station resource allocation request, and a base station-relay station resource information storage section which stores the base station-relay station resource information received by the base station-relay station resource allocation response-reception section.

Claims

1. A relay station device comprising:

a base station-relay station resource allocation request-transmission section which transmits a base station-relay station resource allocation request indicating that allocation of a base station-relay station resource is requested, the base station-relay station resource being a resource used by a radio signal transmitted/received between a base station device and the relay station device, to the base station using a radio signal;

a base station-relay station resource allocation response-reception section which receives base station-relay station resource information indicating the base station-relay station resource from the base station device using a radio signal, as a base station-relay station resource allocation response which is a response with respect to the base station-relay station resource allocation request; and

a base station-relay station resource information storage section which stores the base station-relay station resource information received by the base station-relay station resource allocation response-reception section.

2. The relay station device according to claim 1, further comprising:

a base station-side relay resource allocation request-transmission section which transmits a base station-side relay resource allocation request indicating that allocation of a base station-side relay resource is requested to the base station device using a radio signal, the base station-side relay resource being a resource used by a radio signal transmitted/received between the base station device and the relay station device among radio signals transmitted/received between the base station device and a mobile station device via the relay station device;

a base station-side relay resource allocation response-reception section which receives base station-side relay resource information indicating the base station-side relay resource from the base station device using a radio signal, as a base station-side relay resource allocation response which is a response with respect to the base station-side relay resource allocation request; and

a base station-side relay resource information storage section which stores the base station-side relay resource information received by the base station-side relay resource allocation response-reception section.

3. The relay station device according to claim 2, further comprising:

a mobile station-side relay resource allocation request-transmission section which transmits a mobile station-side relay resource allocation request indicating that allocation of a mobile station-side relay resource is requested to the base station device using a radio signal, the mobile station-side relay resource being a resource used by a radio signal transmitted/received between the mobile station device and the relay station device among radio signals transmitted/received between the base station device and the mobile station device via the relay station device;

a mobile station-side relay resource allocation response-reception section which receives mobile station-side relay resource information indicating the mobile station-side relay resource from the base station device using a radio signal, as a mobile station-side relay resource allocation response which is a response with respect to the mobile station-side relay resource allocation request; and

a mobile station-side relay resource information storage section which stores the mobile station-side relay resource information received by the mobile station-side relay resource allocation response-reception section.

4. The relay station device according to claim 3, further comprising:

a radio signal reception section which receives a radio signal;

a data extraction section which extracts, when a resource used by the radio signal received by the radio signal reception section is a resource indicated by the base station-relay station resource information stored in the base station-relay station resource information storage section, data from the radio signal; and

a data storage section which stores the data extracted by the data extraction section.

5. The relay station device according to claim 4, further comprising

a radio signal transmission section which transmits, when a resource used by the radio signal received by the radio signal reception section is a resource indicated by the base station-side relay resource information stored in the base station-side relay resource information storage section, a radio signal which uses the mobile station-side relay resource indicated by the mobile station-side relay resource information stored in the mobile station-side relay resource information storage section.

6. The relay station device according to claim 5,

wherein, when a resource used by the radio signal received by the radio signal reception section is a resource indicated by the mobile station-side relay resource information stored in the mobile station-side relay resource information storage section, the radio signal transmission section transmits a radio signal which uses the base station-side relay resource indicated by the base station-side relay resource information stored in the base station-side relay resource information storage section.

7. The relay station device according to claim 4, further comprising:

a display section; and

a display control section which extracts the data from the data storage section and causes the display section to display the extracted data.

8. The relay station device according to claim 7,

wherein the data extraction section further extracts display control information for controlling a display from the radio signal,

wherein the data storage section further stores the display control information extracted by the data extraction section, and

wherein the display control section extracts the data from the data storage section and causes the display section to display the extracted data, based on the display control information stored in the data storage section.

9. The relay station device according to claim 4, further comprising:

a mobile station-relay station resource allocation request-transmission section which transmits a mobile station-relay station resource allocation request indicating that allocation of a mobile station-relay station resource is requested to the base station device using a radio signal, the mobile station-relay station resource being a resource used by a radio signal transmitted/received between a mobile station device and the relay station device;

a mobile station-relay station resource allocation response-reception section which receives mobile station-relay station resource information indicating the mobile station-relay station resource from the base station device using a radio signal, as a mobile station-relay station resource allocation response which is a response with respect to the mobile station-relay station resource allocation request; and

a mobile station-relay station resource information storage section which stores the mobile station-relay station resource information received by the mobile station-relay station resource allocation response-reception section.

10. The relay station device according to claim 9, further comprising:

a radio signal transmission section which transmits a radio signal which uses the mobile station-relay station resource indicated by the mobile station-relay station resource information stored in the mobile station-relay station resource information storage section; and

a transmission control section which extracts data from the data storage section and causes the radio signal transmission section to transmit the extracted data using a radio signal.

11. The relay station device according to claim 1, further comprising:

a radio signal transmission section which is capable of transmitting a radio signal which uses the base station-relay station resource indicated by the base station-relay station resource information stored in the base station-relay station resource information storage section;

an inventory data acquisition section which acquires, from a vending machine, inventory data inside the vending machine;

an inventory data storage section which stores the inventory data acquired by the inventory data acquisition section; and

a transmission control section which extracts the inventory data stored in the inventory data storage section and causes the radio signal transmission section to transmit the extracted inventory data using a radio signal.

12. The relay station device according to claim 9,

wherein a charge for communication performed by the relay station is calculated based on information related to at least one of radio signal transmission using the base station-side relay resource, radio signal reception using the base station-side relay resource, radio signal transmission using the mobile station-side relay resource, and radio signal reception using the mobile station-side relay resource, which are performed by the relay station.

13. A base station device comprising:

a base station-relay station resource allocation request-reception section which receives a base station-relay station resource allocation request indicating that allocation of a base station-relay station resource is requested, the base station-relay station resource being a resource used by a radio signal transmitted/received between a relay station device and the base station device, from the relay station device using a radio signal;

a base station-relay station resource allocation-processing section which performs allocation of the base station-relay station resource;

a base station-relay station resource information storage section which stores base station-relay station resource information indicating the base station-relay station resource allocated by the base station-relay station resource allocation-processing section; and

a base station-relay station resource allocation response-transmission section which transmits the base station-relay station resource information indicating the base station-relay station resource to the mobile station device using a radio signal, as a base station-relay station resource allocation response which is a response with respect to the base station-relay station resource allocation request.

14. A mobile station device which receives a radio signal from a relay station device, the relay station device including

a mobile station-relay station resource allocation request-transmission section which transmits a mobile station-relay station resource allocation request indicating that allocation of a mobile station-relay station resource is requested, the mobile station-relay station resource being a resource used by a radio signal transmitted/received between the mobile station device and the relay station device, to a base station device using a radio signal,

a mobile station-relay station resource allocation response-reception section which receives mobile station-relay station resource information indicating the mobile station-relay station resource from the base station device using a radio signal, as a mobile station-relay station resource allocation response which is a response with respect to the mobile station-relay station resource allocation request,

a mobile station-relay station resource information storage section which stores the mobile station-relay station resource information received by the mobile station-relay station resource allocation response-reception section,

a radio signal transmission section which transmits a radio signal which uses the mobile station-relay station resource indicated by the mobile station-relay station resource information stored in the mobile station-relay station resource information storage section, and

a transmission control section which extracts data from a data storage section and causes the radio signal transmission section to transmit the extracted data using a radio signal.

15. A radio communication system comprising:

a base station device; and

a relay station device,

wherein the base station device includes

a base station-relay station resource allocation request-reception section which receives a base station-relay station resource allocation request indicating that allocation of a base station-relay station resource is requested, the base station-relay station resource being a resource used by a radio signal transmitted/received between the relay station device and the base station device, from the relay station device using a radio signal,

a base station-relay station resource allocation-processing section which performs allocation of the base station-relay station resource,

a base station-relay station resource information storage section which stores base station-relay station resource information indicating the base station-relay station resource allocated by the base station-relay station resource allocation-processing section, and

a base station-relay station resource allocation response-transmission section which transmits the base station-relay station resource information indicating the base station-relay station resource to the mobile station device using a radio signal, as a base station-relay station resource allocation response which is a response with respect to the base station-relay station resource allocation request, and

wherein the relay station device includes

a base station-relay station resource allocation request-transmission section which transmits a base station-relay station resource allocation request indicating that allocation of the base station-relay station resource is requested to the base station using a radio signal,

a base station-relay station resource allocation response-reception section which receives the base station-relay station resource information indicating the base station-relay station resource from the base station device using a radio signal, as the base station-relay station resource allocation response which is a response with respect to the base station-relay station resource allocation, and

a base station-relay station resource information storage section which stores the base station-relay station resource information received by the base station-relay station resource allocation response-reception section.