US 10,375,692 B2Granted

Communication apparatus and communication method

AssigneeSun Patent Trust

InventorsToru Oizumi, Daichi Imamura, Akihiko Nishio, Hidetoshi Suzuki

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Abstract

The purpose of the present invention is to inhibit an increase in the amount of A/N resources, without changing the timing at which the error detection result of an SCell is notified when UL-DL configurations to be configured for each of the unit bands are different, from the timing at which the error detection result is notified when just a single unit band is configured. A control unit transmits, using a first unit band, a response signal including error detection results about data received with both the first unit band and a second unit band. In a first composition pattern set for the first unit band, an uplink communication subframe is set to be the same timing as at least an uplink communication subframe of a second composition pattern set for the second unit band.

Claims10

Dependent claims

A communication apparatus comprising:

a transmitter which, in operation, transmits downlink data on a plurality of component carriers including a first component carrier and a second component carrier, wherein a first frame configuration pattern of the first component carrier and a second frame configuration pattern of the second component carrier are respectively selected from a plurality of frame configuration patterns, each frame configuration pattern defines transmission timings of one or more uplink subframes, one or more downlink subframes and one or more special subframes, and when the first frame configuration pattern of the first component carrier is different from the second frame configuration pattern of the second component carrier, the first frame configuration pattern defines transmission timing(s) of one or more uplink subframes that are all inclusive of transmission timing(s) of one or more uplink subframes defined in the second frame configuration pattern, and the first frame configuration pattern defines at least one more uplink subframe than defined in the second frame configuration pattern;
and
a receiver which, in operation, receives from a communication partner apparatus a response signal for the first component carrier and the second component carrier on an uplink subframe of the first component carrier, wherein the response signal is generated at the communication partner apparatus and indicates error detection results for the downlink data transmitted on the first component carrier and the second component carrier, said uplink subframe of the first component carrier on which the response signal is received is defined at the same timing as one of the transmission timing(s) of the one or more uplink subframes defined in the second frame configuration pattern, and said uplink subframe of the first component carrier on which the response signal is received is located at a position at least four subframes after a downlink subframe for which the response signal is generated.

A communication method comprising:

transmitting downlink data on a plurality of component carriers including a first component carrier and a second component carrier, wherein a first frame configuration pattern of the first component carrier and a second frame configuration pattern of the second component carrier are respectively selected from a plurality of frame configuration patterns, each frame configuration pattern defines transmission timings of one or more uplink subframes, one or more downlink subframes, and one or more special subframes, and when the first configuration pattern of the first component carrier is different from the second frame configuration pattern of the second component carrier, the first frame configuration pattern defines transmission timing(s) of one or more uplink subframes that are all inclusive of transmission timing(s) of one or more uplink subframes defined in the second frame configuration pattern, and the first frame configuration pattern defines at least one more uplink subframe than defined in the second frame configuration pattern;
and
receiving from a communication partner apparatus a response signal for the first component carrier and the second component carrier on an uplink subframe of the first component carrier, wherein the response signal is generated at the communication partner apparatus and indicates error detection results for the downlink data transmitted on the first component carrier and the second component carrier, said uplink subframe of the first component carrier on which the response signal is received is defined at the same timing as one of the transmission timing(s) of the one or more uplink subframes defined in the second frame configuration pattern, and said uplink subframe of the first component carrier on which the response signal is received is located at a position at least four subframes after a downlink subframe for which the response signal is generated.

Dependencies are inferred from the claim text.

Facts

Application: 16/109,300Filed 22 Aug 2018 · continuation
Priority: JP 2011-15489013 Jul 2011
Published: US 2018/0368143 A120 Dec 2018
Granted: 6 Aug 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

H04W 72/0446
Based on the type of the allocated resource: resources in time domain, e.g. slots or frames
H04L 1/1854
Arrangements specially adapted for the receiver end: scheduling and prioritising arrangements
H04L 1/1861
Arrangements specially adapted for the receiver end: physical mapping arrangements
H04L 5/001
The frequencies being orthogonal, e.g. OFDM or DMT: the frequencies being arranged in component carriers

Family

PCT/JP2012/004246Parent of this continuation · filed 29 Jun 2012
Application14/874,114Parent of this continuation · filed 2 Oct 2015
US 9,184,896 B2Parent of this continuation · filed 10 Nov 2015
Application15/250,679Parent of this continuation · filed 29 Aug 2016
US 9,461,781 B2Parent of this continuation · filed 4 Oct 2016
Application15/592,023Parent of this continuation · filed 10 May 2017
US 9,716,570 B2Parent of this continuation · filed 25 Jul 2017
US 2018/0368143 A1Pre-grant publication · published 20 Dec 2018
US 10,085,257 B2Parent of this continuation
Application14/114,705Parent of this continuation
US 2014/0064233 A1Published application
US 2016/0028508 A1Published application
US 2016/0373219 A1Published application
US 2017/0245274 A1Published application
US 10,375,692 B2This patent

From the US filing history. Foreign family members aren’t listed.

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