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Method and apparatus for performing a hybrid automatic repeat request process for an uplink multi-codeword transmission in a wireless communication system which supports a multi-antenna transmission
US8964673B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8964673-B2 |
| Application number | US-201113578191-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 22, 2011 |
| Priority date | Feb 22, 2010 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for performing a hybrid automatic repeat request process for an uplink multi-codeword transmission in a wireless communication system which supports a multi-antenna transmission. The uplink multi-codeword transmission method according to one embodiment comprises the following steps: transmitting first and second codewords, transmitting information on the status of transmission buffer for the first and second codewords, receiving downlink control information (DCI) containing acknowledgement (ACK)/negative acknowledgement (NACK) information on each of the first and second codewords, and re-transmitting the codeword for NACK information, wherein the codeword for NACK information, wherein the codeword for ACK information is not transmitted to a base station in cases where the transmission buffer is empty.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of performing uplink multiple-codeword hybrid automatic repeat request (HARQ) transmission, the method comprising: transmitting, at a user equipment, first and second codewords to a base station; transmitting information about transmission buffer states of the first and second codewords to the base station; receiving downlink control information (DCI) including acknowledgement (ACK)/negative acknowledgement (NACK) information for each of t…
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Electricity · mapped topic
Electricity · mapped topic
- H04L1/1671Primary
Electricity · mapped topic
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- What does patent US8964673B2 cover?
- The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for performing a hybrid automatic repeat request process for an uplink multi-codeword transmission in a wireless communication system which supports a multi-antenna transmission. The uplink multi-codeword transmission method according to one embodiment comprises the following steps…
- Who is the assignee on this patent?
- Chung Jae Hoon, Ko Hyun Soo, Han Seung Hee, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H04L1/1671. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).