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

• US 20120076070A1
• Filed: 06/10/2010
• Published: 03/29/2012
• Est. Priority Date: 07/23/2009
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Takano, Hiroaki
• Granted Patent: US 8,982,864 B2
• Time in Patent Office: Days
• US Class Current: 370/315
• 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: H04L 5/0005 Time-frequency
• CPC Class Codes: H04L 5/0037 Inter-user or inter-terminal allocation
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 84/047 using dedicated repeater stations

Abstract

A base station including an allocation unit for allocating the downlink of the relay link or the access link and the downlink of the direct link to a resource block included in a same resource block group, and allocating the uplink of the relay link or the access link and the uplink of the direct link to a resource block included in a same resource block group.

Claims

1. A base station comprising:

a communication unit for communicating with a mobile terminal via a relay link between the base station and a relay device and an access link between the relay device and the mobile terminal, or a direct link between the base station and the mobile terminal; and

an allocation unit for allocating an uplink and a downlink of each of the relay link, the access link, and the direct link to resource blocks included in any of a plurality of resource block groups,

wherein the allocation unit

allocates the downlink of the relay link or the access link and the downlink of the direct link to a resource block included in a same resource block group, and

allocates the uplink of the relay link or the access link and the uplink of the direct link to a resource block included in a same resource block group.

2. The base station according to claim 1,

wherein a first resource block group for the downlink of the relay link, a second resource block group for the downlink of the access link, a third resource block group for the uplink of the access link, and a fourth resource block group for the uplink of the relay link are different in at least time or frequency.

3. The base station according to claim 2,

wherein the first resource block group is same in frequency but different in time from the second resource block group, and is same in time but different in frequency from the third resource block group, and

wherein the fourth resource block group is same in time but different in frequency from the second resource block group, and is same in frequency but different in time from the third resource block group.

4. The base station according to claim 2,

wherein the first resource block group is same in frequency but different in time from the second resource block group, and is same in time but different in frequency from the fourth resource block group, and

wherein the third resource block group is same in time but different in frequency from the second resource block group, and is same in frequency but different in time from the fourth resource block group.

5. The base station according to claim 2,

wherein the first resource block group is same in frequency but different in time from the fourth resource block group, and is same in time but different in frequency from the third resource block group, and

wherein the second resource block group is same in time but different in frequency from the fourth resource block group, and is same in frequency but different in time from the third resource block group.

6. The base station according to claim 2,

wherein the first resource block group is same in frequency but different in time from the third resource block group, and is same in time but different in frequency from the fourth resource block group, and

wherein the second resource block group is same in time but different in frequency from the third resource block group, and is same in frequency but different in time from the fourth resource block group.

7. The base station according to claim 2,

wherein the first resource block group is same in frequency but different in time from the third resource block group, and is same in time but different in frequency from the second resource block group, and

wherein the fourth resource block group is same in time but different in frequency from the third resource block group, and is same in frequency but different in time from the second resource block group.

8. The base station according to claim 2,

wherein the first resource block group is same in frequency but different in time from the fourth resource block group, and is same in time but different in frequency from the second resource block group, and

wherein the third resource block group is same in time but different in frequency from the fourth resource block group, and is same in frequency but different in time from the second resource block group.

9. The base station according to claim 2,

wherein the first resource block group, the second resource block group, the third resource block group, and the fourth resource block group are same in time but different in frequency.

10. The base station according to claim 2,

wherein the first resource block group, the second resource block group, the third resource block group, and the fourth resource block group are same in frequency but different in time.

11. A communication system comprising:

a mobile terminal;

a relay device; and

a base station including

a communication unit for communicating with the mobile terminal via a relay link between the base station and the relay device and an access link between the relay device and the mobile terminal, or a direct link between the base station and the mobile terminal, and

an allocation unit for allocating an uplink and a downlink of each of the relay link, the access link, and the direct link to resource blocks included in any of a plurality of resource block groups,

wherein the allocation unit

allocates the downlink of the relay link or the access link and the downlink of the direct link to a resource block included in a same resource block group, and

allocates the uplink of the relay link or the access link and the uplink of the direct link to a resource block included in a same resource block group.

12. A mobile terminal,

wherein the mobile terminal communicates with a base station using a resource block allocated by an allocation unit, the base station including a communication unit for communicating with the mobile terminal via a relay link between the base station and a relay device and an access link between the relay device and the mobile terminal, or a direct link between the base station and the mobile terminal, and the allocation unit for allocating an uplink and a downlink of each of the relay link, the access link, and the direct link to resource blocks included in any of a plurality of resource block groups, where the allocation unit allocates the downlink of the relay link or the access link and the downlink of the direct link to a resource block included in a same resource block group, and allocates the uplink of the relay link or the access link and the uplink of the direct link to a resource block included in a same resource block group.

13. A relay device,

wherein the relay device relays communication between a base station and a mobile terminal using a resource block allocated by an allocation unit, the base station including a communication unit for communicating with the mobile terminal via a relay link between the base station and the relay device and an access link between the relay device and the mobile terminal, or a direct link between the base station and the mobile terminal, and the allocation unit for allocating an uplink and a downlink of each of the relay link, the access link, and the direct link to resource blocks included in any of a plurality of resource block groups, where the allocation unit allocates the downlink of the relay link or the access link and the downlink of the direct link to a resource block included in a same resource block group, and allocates the uplink of the relay link or the access link and the uplink of the direct link to a resource block included in a same resource block group.