# US 8,787,321 B2 · Broadband wireless communication resource assigning method, base station apparatus and terminal apparatus

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- Number: US 8,787,321 B2
- Document ID: US8787321B2
- Status: Granted
- Kind: B2
- Application number: 13/612,940
- Filed: 2012-09-13
- Published: 2013-01-03
- Granted: 2014-07-22
- Earliest claimed: 2006-03-29
- Assignees: Hitachi, Ltd.
- Applicants: Kenzaburo Fujishima; Masanori Taira
- Inventors: Kenzaburo Fujishima; Masanori Taira
- Web page: https://patentgrep.com/patent/US8787321B2

## CPC

- H04L 1/0026: {Transmission of channel quality indication}
- H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT}
- H04L 5/0037: {Inter-user or inter-terminal allocation}
- H04W 16/10: Dynamic resource partitioning
- H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA
- H04W 72/542: using measured or perceived quality
- H04W 28/16: Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

A method of wireless communication for communication between a base station and a plurality of terminal apparatuses, the method including: dividing an available frequency into a plurality of segments and notifying control information to the terminal apparatus, the control information including setting of a segment of the plurality of segments, communication quality of which will be fed back by the terminal apparatus, and cancellation of a segment of the plurality of segments, communication quality of which has already been fed back from the terminal apparatus; and feeding back communication quality related to a predetermined segment to the base station in accordance with the control information by the terminal apparatus.

## Claims

### Claim 1

A method of wireless communication for communication between a base station and a plurality of terminal apparatuses, the method comprising:
dividing an available frequency into a plurality of segments and notifying control information to the terminal apparatus, the control information including setting of a segment of the plurality of segments, communication quality of which will be fed back by the terminal apparatus, and setting of a segment of the plurality of segments, communication quality of which will not be fed back by the terminal apparatus; and
feeding back communication quality related to a predetermined segment to the base station in accordance with the control information by the terminal apparatus.

### Claim 2 (depends on 1)

The method of wireless communication according to claim 1,
wherein the control information includes information that indicates whether communication quality related to a segment is fed back or not and the information is provided to each segment.

### Claim 3 (depends on 2)

The method of wireless communication according to claim 2,
wherein the control information includes information of ‘1’ that indicates feeding back and ‘0’ that indicates not feeding back, and either of the information is related to each segment.

### Claim 4 (depends on 1)

The method of wireless communication according to claim 1, wherein notifying control information to the terminal apparatus is performed by using a frequency segment which has been previously allocated to a terminal.