US 10,374,773 B2Granted

Method, system and device for transmitting feedback information

AssigneeChina Academy of Telecommunications Technology

InventorsYanan Lin, Zukang Shen, Xuejuan Gao

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Abstract

The embodiments of the present application relate to the technical field of wireless communications, and in particular, to a method, system and device for transmitting feedback information, used for realizing simultaneous feedback of multi-carrier ACK/NACK and periodical CSI. The method for sending feedback information in the embodiments of the present application includes: user equipment determining a PUCCH resource corresponding to first feedback information in second feedback information periodical reporting subframes; the user equipment determining feedback information to be transmitted and including the first feedback information according to the determined PUCCH resource and transmitting same via the PUCCH resource corresponding to the first feedback information. Since the user equipment determines feedback information including first feedback information according to the PUCCH resource corresponding to the first feedback information in the second feedback information periodical reporting subframes and transmits same via the determined PUCCH resource, thus realizing simultaneous feedback of multi-carrier ACK/NACK and periodical CSI.

Claims16

Dependent claims

A method for transmitting feedback information, comprising:

determining, by a user equipment, a physical uplink control channel (PUCCH) resource corresponding to first feedback information in a second feedback information periodic reporting sub-frame;
and
determining, by the user equipment, feedback information including the first feedback information to be transmitted according to the determined PUCCH resource, and transmitting the feedback information via the PUCCH resource corresponding to the first feedback information;
wherein the first feedback information is acknowledgement/negative-acknowledgement (ACK/NACK) information, and the second feedback information is Channel State Information (CSI);
wherein determining, by the user equipment, the feedback information to be transmitted comprises:
when the PUCCH resource corresponding to the first feedback information is a resource used by a large-capacity PUCCH, determining, by the user equipment, the first feedback information to be transmitted and the second feedback information to be transmitted as the feedback information;
and
wherein the large-capacity PUCCH comprises:
PUCCH format 2, PUCCH format 3, or a PUCCH format with a bearing capacity not less than that of the PUCCH format 3;
before the user equipment transmits the first feedback information and the second feedback information simultaneously, the method further comprises:
preprocessing, by the user equipment, the first feedback information;
transmitting by the user equipment comprises:
when a sum of a bit number of the second feedback information and a bit number of the preprocessed first feedback information is not more than a threshold, transmitting, by the user equipment, the second feedback information and the preprocessed first feedback information simultaneously;
when the sum of the bit number of the second feedback information and the bit number of the preprocessed first feedback information is more than the threshold, transmitting, by the user equipment, the first feedback information only, or a part of the second feedback information and the preprocessed first feedback information, wherein a sum of a bit number of the part of the second feedback information and the bit number of the preprocessed first feedback information is not more than the threshold,
wherein the threshold is determined by a configuration at a network side or protocol provisions.

12 more elements

A method for transmitting feedback information, comprising:

determining, by a network side device, a type of feedback information to be transmitted by a user equipment according to a physical uplink control channel (PUCCH) resource corresponding to first feedback information in a second feedback information periodic reporting sub-frame;
and
receiving, by the network side device, the feedback information transmitted by the user equipment according to the determined type of the feedback information on the PUCCH resource;
wherein the first feedback information is acknowledgement/negative-acknowledgement (ACK/NACK) information, and the second feedback information is Channel State Information (CSI);
wherein determining, by the network side device, the type of the feedback information to be transmitted by the user equipment comprises:
when the PUCCH resource corresponding to the first feedback information is a resource used by a large-capacity PUCCH, determining, by the network side device, that the first feedback information is included in the type of the feedback information to be transmitted by the user equipment;
and
wherein the large-capacity PUCCH comprises:
PUCCH format 2, PUCCH format 3, or a PUCCH format with a bearing capacity not less than that of the PUCCH format 3;
before the network side device receives the feedback information transmitted by the user equipment, the method further comprises:
determining, by the network side device, that the first feedback information is preprocessed by the user equipment, when determining that the first feedback information and the second feedback information need to be transmitted by the user equipment simultaneously;
when a sum of a bit number of the second feedback information and a bit number of the preprocessed first feedback information is not more than a threshold, determining, by the network side device, that the second feedback information and the preprocessed first feedback information are transmitted by the user equipment simultaneously;
when the sum of the bit number of the second feedback information and the bit number of the preprocessed first feedback information is more than the threshold, determining, by the network side device, that the user equipment only transmits the first feedback information, or a part of the second feedback information and the preprocessed first feedback information, wherein a sum of a bit number of the part of the second feedback information and the bit number of the preprocessed first feedback information is not more than the threshold,
wherein the threshold is determined by a configuration at the network side device or protocol provisions.

11 more elements

A user equipment for transmitting feedback information, comprising:

a memory configured to store a computer readable program and a processor, wherein the processor is configured to execute the computer readable program to:
determine a physical uplink control channel (PUCCH) resource corresponding to first feedback information in a second feedback information periodic reporting sub-frame;
and
determine feedback information including the first feedback information to be transmitted according to the determined PUCCH resource, and transmit the feedback information via the PUCCH resource corresponding to the first feedback information;
wherein the first feedback information is acknowledgement/negative-acknowledgement (ACK/NACK) information, and the second feedback information is Channel State Information (CSI);
wherein the processor configured to execute the computer readable program to determine the feedback information to be transmitted further comprises the processor configured to execute the computer readable program to:
when the PUCCH resource corresponding to the first feedback information is a resource used by a large-capacity PUCCH, determining the first feedback information to be transmitted and the second feedback information to be transmitted as the feedback information;
and
wherein the large-capacity PUCCH comprises:
PUCCH format 2, PUCCH format 3 or a PUCCH format with a bearing capacity not less than that of the PUCCH format 3;
wherein the processor is further configured to execute the computer readable program to preprocess the first feedback information before the first feedback information and the second feedback information are transmitted simultaneously;
and
wherein the processor is further configured to execute the computer readable program to:
transmit the second feedback information and the preprocessed first feedback information simultaneously when a sum of a bit number of the second feedback information and a bit number of the preprocessed first feedback information is not more than a threshold;
and
transmit the first feedback information only, or a part of the second feedback information and the preprocessed first feedback information, when the sum of the bit number of the second feedback information and the bit number of the preprocessed first feedback information is more than the threshold, wherein a sum of a bit number of the part of the second feedback information and the bit number of the preprocessed first feedback information is not more than the threshold;
wherein the threshold is determined by a configuration at a network side or protocol provisions.

14 more elements

A network side device for transmitting feedback information, comprising:

a memory configured to store a computer readable program and a processor, wherein the processor is configured to execute the computer readable program to:
determine a type of feedback information to be transmitted by a user equipment according to a physical uplink control channel (PUCCH) resource corresponding to first feedback information in a second feedback information periodic reporting sub-frame;
and
receive the feedback information transmitted by the user equipment according to the determined type of the feedback information on the PUCCH resource;
wherein the first feedback information is acknowledgement/negative-acknowledgement (ACK/NACK) information, and the second feedback information is Channel State Information (CSI);
wherein the processor configured to execute the computer readable program to determine the type of the feedback information to be transmitted by the user equipment further comprises the processor configured to execute the computer readable program to:
when the PUCCH resource corresponding to the first feedback information is a resource used by a large-capacity PUCCH, determining that the first feedback information is included in the type of the feedback information to be transmitted by the user equipment;
wherein the large-capacity PUCCH comprises:
PUCCH format 2, PUCCH format 3 or a PUCCH format with a bearing capacity not less than that of the PUCCH format 3;
the processor is further configured to execute the computer readable program to determine that the first feedback information is preprocessed by the user equipment, when determining that the first feedback information and the second feedback information need to be transmitted by the user equipment simultaneously;
and
wherein the processor is further configured to execute the computer readable program to:
determine that the second feedback information and the preprocessed first feedback information are transmitted by the user equipment simultaneously when a sum of a bit number of the second feedback information and a bit number of the preprocessed first feedback information is not more than a threshold;
and
determine that the user equipment only transmits the first feedback information, or a part of the second feedback information and the preprocessed first feedback information when the sum of the bit number of the second feedback information and the bit number of the preprocessed first feedback information is more than the threshold, wherein a sum of a bit number of the part of the second feedback information and the bit number of the preprocessed first feedback information is not more than the threshold;
wherein the threshold is determined by configuration at the network side device or protocol provisions.

13 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/356,136Filed 8 Aug 2012
Priority: CN 2011 1 03418182 Nov 2011
Published: US 2015/0043452 A112 Feb 2015
Granted: 6 Aug 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification13 codes

H04L 5/0055
Allocation of signalling, i.e. of overhead other than pilot signals: physical resource allocation for ACK/NACK
H04L 1/0026
Characterised by the signalling: transmission of channel quality indication
H04L 1/0027
Characterised by the signalling: scheduling of signalling, e.g. occurrence thereof
H04L 1/1671
Details of the supervisory signal: the supervisory signal being transmitted together with control information

Family

US 2015/0043452 A1Pre-grant publication · published 12 Feb 2015
US 10,374,773 B2This patent

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

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