Wireless communication system, base station device, mobile station device, wireless communication method

• US 8,842,608 B2
• Filed: 08/17/2009
• Issued: 09/23/2014
• Est. Priority Date: 09/22/2008
• Status: Active Grant

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Suzuki, Shoichi, Nakashima, Daiichiro
• Primary Examiner(s): PHUNKULH, BOB A
• Application Number:
  US13/120,358
• Publication Number:
  US 20110200028A1
• Time in Patent Office: 1,863 Days
• Field of Search: None
• US Class Current: 370/328
• CPC Class Codes: H04L 1/1861 Physical mapping arrangements for ACK signaling see also H04L5/0053
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/003 Arrangements for allocating sub-channels of the transmission path
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04W 28/0231 based on communication conditions dynamic wireless traffic scheduling definition based on channel quality criteria H04W72/54
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/54 based on quality criteria

Abstract

A base station device, which allocates one or more subbands of each of an uplink and a downlink to a mobile station device and transmits response information, which indicates whether or not uplink data from the mobile station device has been properly received, to the mobile station device, the base station device includes: a control unit (11) which controls an arrangement of a response information group including multiple pieces of response information directed to a downlink subband allocated to the mobile station device; and a multiplexing unit (160) which collects the same type of multiple pieces of response information to configure the response information group, and arranges the configured response information group in the downlink subband based on the control of the control unit.

Claims

1. A mobile station device which communicates with a base station device, where the base station device allocates a plurality of uplink and downlink subbands to the mobile station device, the mobile station device comprising:

a transmitting section configured to transmit, to the base station device, first data by using a first uplink subband and second data by using a second uplink subband, the first uplink subband and the second uplink subband being included in the plurality of the allocated uplink subbands; and

a receiving section configured to receive, from the base station device, first response information for the first data and second response information for the second data, the first response information and the second response information being received by using Hybrid Automatic Repeat reQuest (HARQ) indicator channels within one downlink subband included in the plurality of the allocated downlink subbands.

2. The mobile station device according to claim 1, wherein the first response information and the second response information indicate whether the base station device correctly received the data transmitted from the mobile station device or not.

3. The mobile station device according to claim 1, wherein

the receiving section is further configured to receive, from the base station device, data channel(s) and control channel(s) by using the plurality of the allocated downlink subbands, and

the transmitting section is further configured to transmit, to the base station device, data channel(s) and control channel(s) by using the plurality of the allocated uplink subbands.

4. The mobile station device according to claim 1, wherein

each of the plurality of uplink and downlink subbands is a unit within which the base station device allocates a frequency band for communication to the mobile station device, the subbands comprising a plurality of physical resource blocks.

5. A base station device comprising:

a control section configured to allocate a plurality of uplink and downlink subbands to a mobile station device;

a receiving section configured to receive, from the mobile station device, first data by using a first uplink subband and second data by using a second uplink subband, the first uplink subband and the second uplink subband being included in the plurality of the allocated uplink subbands; and

a transmitting section configured to transmit, to the mobile station device, first response information for the first data and second response information for the second data, the first response information and the second response information being transmitted by using Hybrid Automatic Repeat reQuest (HARQ) indicator channels within one downlink subband included in the plurality of the allocated downlink subbands.

6. The base station device according to claim 5, wherein

the first response information and the second response information indicate whether the base station device correctly received the data transmitted from the mobile station device or not.

7. The base station device according to claim 6, wherein

the transmitting section is further configured to transmit, to the mobile station device, data channel(s) and control channel(s) by using the plurality of the allocated downlink subbands allocated to the mobile station device, and

the receiving section is further configured to receive, from the mobile station device, data channel(s) and control channel(s) by using the plurality of the allocated uplink subbands allocated to the mobile station device.

8. A base station device comprising:

a control section configured to allocate one or a plurality of uplink subbands and a plurality of downlink subbands to a plurality of mobile station devices;

a receiving section configured to receive first data from a first mobile station device and second data from a second mobile station device, the first data and the second data being transmitted by using one same uplink subband included in the plurality of the allocated uplink subbands, the first mobile station device and the second mobile station device being among the plurality of mobile station devices; and

a transmitting section configured to transmit first response information for the first data by using a first Hybrid Automatic Repeat reQuest (HARQ) indicator channel within a first downlink subband, and second response information for the second data by using a second HARQ indicator channel within a second downlink subband,

the first downlink subband and the second downlink subband are different subbands included in the plurality of downlink subbands.

9. A wireless communication method performed by a mobile station device communicating with a base station device, the base station device allocating a plurality of uplink and downlink subbands, the wireless communication method comprising:

transmitting, to the base station device, first data by using a first uplink subband and second data by using a second uplink subband, the first uplink subband and the second uplink subband being included in the plurality of the allocated uplink subbands; and

receiving, from the base station device, first response information for the first data and second response information for the second data, the first response information and the second response information being received by using Hybrid Automatic Repeat reQuest (HARQ) indicator channels within one downlink subband included in the plurality of the allocated downlink subbands.

10. A wireless communication method performed by a base station device communicating with a mobile station device, the wireless communication method comprising:

allocating a plurality of uplink and downlink subbands;

receiving, from the mobile station device, first data by using a first uplink subband and second data by using a second uplink subband, the first uplink subband and the second uplink subband being included in the plurality of the allocated uplink subbands; and

transmitting, to the mobile station device, first response information for the first data and second response information for the second data, the first response information and the second response information being transmitted by using Hybrid Automatic Repeat reQuest (HARQ) indicator channels within one downlink subband included in the plurality of the allocated downlink subbands.

11. A wireless communication method performed by a base station device communicating with a plurality of mobile station devices the wireless communication method comprising:

allocating one or a plurality of uplink subbands and one or a plurality of downlink subbands to the plurality of the mobile station devices;

receiving first data from a first mobile station device and second data from a second mobile station device, the first data and the second data being transmitted by using one same uplink subband included in the plurality of the allocated uplink subbands, the first mobile station device and the second mobile station device being among the plurality of mobile station devices; and

transmitting first response information for the first data by using a first Hybrid Automatic Repeat reQuest (HARQ) indicator channel within a first downlink subband, and second response information for the second data by using a second HARQ indicator channel within a second downlink subband,

the first downlink subband and the second downlink subband are different subbands included in the plurality of downlink subbands.

12. A base station device comprising:

a control section configured to allocate a plurality of uplink and downlink subbands to a mobile station device;

a receiving section configured to receive, from the mobile station device, first data by using a first uplink subband and second data by using a second uplink subband, the first uplink subband and the second uplink subband being included in the plurality of the allocated uplink subbands; and

a transmitting section configured to transmit, to the mobile station device, first response information for the first data and second response information for the second data, the first response information and the second response information being transmitted by using Hybrid Automatic Repeat reQuest (HARQ) indicator channels within one downlink subband included in the plurality of the allocated downlink subbands based on setting information regarding an arrangement of the first response information and the second response information in the allocated downlink subbands.

13. The base station according to claim 12, wherein

the setting information indicates the correspondence between the allocated uplink subbands and the first and second response information, and the setting information is transmitted on downlink shared channel.

14. A base station device comprising:

a control section configured to allocate one or a plurality of uplink subbands and a plurality of downlink subbands to a plurality of mobile station devices;

a receiving section configured to receive first data from a first mobile station device and second data from a second mobile station device, the first data and the second data being transmitted by using one same uplink subband included in the plurality of the allocated uplink subbands, the first mobile station device and the second mobile station device being among the plurality of mobile station devices; and

a transmitting section configured to transmit first response information for the first data by using a first Hybrid Automatic Repeat reQuest (HARQ) indicator channel within a first downlink subband, and second response information for the second data by using a second HARQ indicator channel within a second downlink subband, based on setting information regarding an arrangement of the first response information and the second response information in the allocated plurality downlink subbands,

the first downlink subband and the second downlink subband are different subbands included in the plurality of downlink subbands.

15. The base station according to claim 14, wherein

the setting information indicates the correspondence between the allocated one or a plurality of uplink subbands and the first and second response information, and the setting information is transmitted on downlink shared channel.