Communication apparatus and communication method

• US 9,106,390 B2
• Filed: 09/14/2012
• Issued: 08/11/2015
• Est. Priority Date: 09/06/2007
• Status: Expired due to Fees

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Aiba, Tatsushi, Yamada, Shohei, Katsuragawa, Hiroshi
• Primary Examiner(s): Casca, Fred
• Application Number:
  US13/620,084
• Publication Number:
  US 20130010739A1
• Time in Patent Office: 1,061 Days
• Field of Search: 455/450, 455/447, 455/550.1, 455/561, 455/129, 455/517, 455/522, 455/418, 455/435.1, 455/501, 375/295, 375/340, 370/328, 370/311, 370/236, 370/465, 370/503, 370/329, 370/280, 370/315, 370/336, 370/252, 370/330, 370/331, 370/216, 370/241, 370/242, 370/254, 370/312, 370/476, 714/749
• US Class Current: 1/1
• CPC Class Codes: H04B 17/24 with feedback of measurements to the transmitter
• CPC Class Codes: H04L 1/0001 Systems modifying transmission characteristics according to link quality, e.g. power backoff adaptive data allocation for multicarrier modulation H04L5/0044; controlling transmission power for radio systems H04W52/04
• CPC Class Codes: H04L 25/022 of frequency response
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0037 Inter-user or inter-terminal allocation
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0064 Rate requirement of the data, e.g. scalable bandwidth, data priority
• CPC Class Codes: H04L 5/0094 Indication of how sub-channels of the path are allocated
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/542 using measured or perceived quality

Abstract

A base station apparatus in a mobile communication system in which a mobile station apparatus transmits, to the base station apparatus, uplink data using a physical uplink shared channel assigned by an uplink data transmission permission signal. The base station apparatus includes a transmitting unit which is configured to transmit, to the mobile station apparatus, the uplink data transmission permission signal including first information for permitting the mobile station apparatus to transmit reception quality information together with the uplink data, wherein the transmitting unit which is configured to transmit, to the mobile station apparatus, the uplink data transmission permission signal including second information for permitting the mobile station apparatus to transmit the reception quality information without the uplink data.

Claims

1. A base station apparatus in a mobile communication system in which a mobile station apparatus transmits, to the base station apparatus, uplink data on a physical uplink shared channel assigned by using a permission signal transmitted on a physical downlink control channel, the base station apparatus comprising:

a transmitting unit which is configured to transmit on the physical downlink control channel, to the mobile station apparatus, the permission signal including a first indication for permitting the mobile station apparatus to transmit reception quality information together with the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, wherein

the transmitting unit which is configured to transmit on the physical downlink control channel, to the mobile station apparatus, the permission signal including a second indication for permitting the mobile station apparatus to transmit the reception quality information without the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, and

the second indication is specified based on values to which a plurality of fields of information included in the permission signal transmitted on the physical downlink control channel are set, one of the plurality of fields is a field for permitting the mobile station apparatus to transmit the reception quality information and another is a field for a modulation and coding scheme.

2. The base station apparatus according to claim 1, further comprising:

a receiving unit which is configured to receive, from the mobile station apparatus, the reception quality information together with the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel in case that the first indication is transmitted to the mobile station apparatus, and

the receiving unit which is configured to receive, from the mobile station apparatus, the reception quality information without the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel in case that the second indication is transmitted to the mobile station apparatus.

3. The base station apparatus according to claim 2, wherein

in case that the second indication is transmitted to the mobile station apparatus, the field for permitting the mobile station apparatus to transmit the reception quality information is set to a first single predetermined value and the field for the modulation and coding scheme is set to a second single predetermined value.

4. The base station apparatus according to claim 1, wherein

in case that the second indication is transmitted to the mobile station apparatus, the field for permitting the mobile station apparatus to transmit the reception quality information is set to a first single predetermined value and the field for the modulation and coding scheme is set to a second single predetermined value.

5. A communication method of a base station apparatus in a mobile communication system in which a mobile station apparatus transmits, to the base station apparatus, uplink data on a physical uplink shared channel assigned by using a permission signal transmitted on a physical downlink control channel, the communication method comprising:

transmitting on the physical downlink control channel, from the base station apparatus to the mobile station apparatus;

the permission signal including a first indication for permitting the mobile station apparatus to transmit reception quality information together with the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, and

the permission signal including a second indication for permitting the mobile station apparatus to transmit the reception quality information without the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, wherein

the second indication is specified based on values to which a plurality of fields of information included in the permission signal transmitted on the physical downlink control channel are set, one of the plurality of fields is a field for permitting the mobile station apparatus to transmit the reception quality information and another is a field for a modulation and coding scheme.

6. The communication method according to claim 5, further comprising:

receiving, from the mobile station apparatus, the reception quality information together with the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel in case that the first indication is transmitted to the mobile station apparatus, and

receiving, from the mobile station apparatus, the reception quality information without the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel in case that the second indication is transmitted to the mobile station apparatus.

7. A base station apparatus in a mobile communication system in which a mobile station apparatus transmits, to the base station apparatus, uplink data on a physical uplink shared channel assigned by using a permission signal transmitted on a physical downlink control channel, the base station apparatus comprising:

a transmitting unit which is configured to transmit on the physical downlink control channel, to the mobile station apparatus, the permission signal including a first indication for permitting the mobile station apparatus to transmit reception quality information together with the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, wherein

the transmitting unit which is configured to transmit on the physical downlink control channel, to the mobile station apparatus, the permission signal including a second indication for permitting the mobile station apparatus to transmit the reception quality information without the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, and

the second indication is specified based on values to which a plurality of fields of information included in the permission signal transmitted on the physical downlink control channel are set, one of the plurality of fields is a field for permitting the mobile station apparatus to transmit the reception quality information and another is a field for a redundancy version.

8. The base station apparatus according to claim 7, further comprising:

a receiving unit which is configured to receive, from the mobile station apparatus, the reception quality information together with the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel in case that the first indication is transmitted to the mobile station apparatus, and

the receiving unit which is configured to receive, from the mobile station apparatus, the reception quality information without the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel in case that the second indication is transmitted to the mobile station apparatus.

9. The base station apparatus according to claim 8, wherein

in case that the second indication is transmitted to the mobile station apparatus, the field for permitting the mobile station apparatus to transmit the reception quality information is set to a first single predetermined value and the field for the redundancy version is set to a second single predetermined value.

10. The base station apparatus according to claim 7, wherein

in case that the second indication is transmitted to the mobile station apparatus, the field for permitting the mobile station apparatus to transmit the reception quality information is set to a first single predetermined value and the field for the redundancy version is set to a second single predetermined value.

11. A communication method of a base station apparatus in a mobile communication system in which a mobile station apparatus transmits, to the base station apparatus, uplink data on a physical uplink shared channel assigned by using a permission signal transmitted on a physical downlink control channel, the communication method comprising:

transmitting on the physical downlink contro channel, from the base station apparatus to the mobile station apparatus;

the permission signal including a first indication for permitting the mobile station apparatus to transmit reception quality information together with the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, and

the permission signal including a second indication for permitting the mobile station apparatus to transmit the reception quality information without the uplink data on the physical uplink shared channel assigned by using the permission signal transmitted on the physical downlink control channel, wherein

the second indication is specified based on values to which a plurality of fields of information included in the permission signal transmitted on the physical downlink control channel are set, one of the plurality of fields is a field for permitting the mobile station apparatus to transmit the reception quality information and another is a field for a redundancy version.