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Method and apparatus for csi reporting on pucch

A user equipment and reporting technology, applied in the direction of transmission modification based on link quality, multiple use of transmission paths, and signaling as a feature, can solve problems such as reducing wireless communication efficiency and data rate

Active Publication Date: 2021-07-09
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This otherwise desired channel feedback can create additional overhead, reducing the efficiency of wireless communications, such as reducing the data rate

Method used

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  • Method and apparatus for csi reporting on pucch
  • Method and apparatus for csi reporting on pucch
  • Method and apparatus for csi reporting on pucch

Examples

Experimental program
Comparison scheme
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example 5

[0254] In Example 5 (based on (O 1 , O 2 ), (N 1 , N 2 ) and the beam group spacing parameter (s 1 , s 2 )) In some examples, if it satisfies about (O 1 , O 2 ), (N 1 , N 2 ) and (s 1 , s 2 ), the UE is configured with configuration 1, otherwise it is configured with configuration 0, where (s 1 , s 2 ) parameters depend on the class and Codebook-Config as shown in Table 10. In such examples, configuration condition 12 consists of min(N 1 o 1 / s 1 ,N 2 o 2 / s 2 )≥p, for example p=32, and r=1 or r=1-8 is determined. In such examples, configuration condition 13 is represented by N 1 o 1 N 2 o 2 / s 1 / s 2 >2 p or or For example p=11 and r=1 or r=1-8 are determined. In such embodiments, configuration conditions 14 are determined for a class r, eg, r=1 or r=1-8. In one example, if r≠3-4, then N 1 o 1 N 2 o 2 / s 1 / s 2 >2 p or or In another example, if r=3-4, then N 1 o 1 N 2 o 2 / s 1 / s 2 >2 p-d or or where example values ​​for p ...

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Abstract

A method of a user equipment (UE) for channel state information (CSI) reporting in a wireless communication system is provided. The method includes: generating a CSI report based on a received reference signal; determining at least one physical uplink control channel (PUCCH) format and a physical uplink shared channel (PUSCH) format based on the number of bits of the payload of the CSI report; ) at least one physical channel; and transmit the CSI report according to the determined format and the determined at least one physical channel.

Description

technical field [0001] The present application generally relates to uplink reporting operations in wireless communication systems. More specifically, the present disclosure relates to effective channel state information (CSI) reporting on a physical uplink control channel (PUCCH). Background technique [0002] Understanding and correctly estimating a channel between a user equipment (UE) and an eNode B (eNB) in an advanced wireless communication system is important for effective and efficient wireless communication. In order to correctly estimate channel conditions, the UE will report (eg, feed back) information about channel measurements, such as CSI, to the eNB. With this information about the channel, the eNB is able to select appropriate communication parameters to effectively and efficiently perform wireless data communication with the UE. However, as the number of antennas and channel paths for a wireless communication device increases, so does the amount of feedback...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04L1/06H04L1/00
CPCH04L5/0057H04L1/1671H04L1/0675H04L1/0026H04B7/0626H04B7/0456H04B7/0413H04B7/0469H04L5/0048H04B7/063H04B7/0639H04B7/0632H04W72/21
Inventor 司洪波E.翁戈萨努西A.帕帕萨克拉里奥M.S.拉曼
Owner SAMSUNG ELECTRONICS CO LTD