Control Information Sending Method, Control Information Receiving Method, User Equipment, and Network Device

Patent metadata

Field	Value
Publication number	US-2018198569-A1
Application number	US-201815916536-A
Country	US
Kind code	A1
Filing date	Mar 9, 2018
Priority date	Sep 11, 2015
Publication date	Jul 12, 2018
Grant date	—

Abstract

Embodiments disclose a control information sending method, a control information receiving method, user equipment, and a network device. The sending method includes: obtaining a resource occupied by first uplink control information UCI, and obtaining a resource occupied by second UCI; performing channel encoding on the first UCI according to the resource occupied by the first UCI, to obtain an encoded bit sequence of the first UCI, and performing channel encoding on the second UCI according to the resource occupied by the second UCI, to obtain an encoded bit sequence of the second UCI; mapping the encoded bit sequence of the first UCI and the encoded bit sequence of the second UCI to a physical uplink channel; and sending the physical uplink channel.

First claim

What is claimed is:

1 . A method, comprising:
obtaining a resource occupied by first uplink control information (UCI); obtaining a resource occupied by second UCI; performing channel encoding on the first UCI according to the resource occupied by the first UCI, to obtain an encoded bit sequence of the first UCI; performing channel encoding on the second UCI according to the resource occupied by the second UCI, to obtain an encoded bit sequence of the second UCI, wherein the first UCI comprises channel state information (CSI) of a first report type and a hybrid automatic repeat request-acknowledgment message (HARQ-ACK), and the second UCI comprises CSI of a second report type; or the first UCI comprises a HARQ-ACK, and the second UCI comprises CSI of a first report type, CSI of a second report type, or CSI of the first report type and CSI of the second report type; mapping the encoded bit sequence of the first UCI and the encoded bit sequence of the second UCI to a physical uplink channel; and sending the physical uplink channel.

2 . The method according to claim 1 , wherein the resource is a quantity of modulation symbols; and
wherein performing channel encoding on the first UCI according to the resource occupied by the first UCI, to obtain the encoded bit sequence of the first UCI, and performing channel encoding on the second UCI according to the resource occupied by the second UCI, to obtain the encoded bit sequence of the second UCI, comprises:
obtaining, according to a quantity of modulation symbols occupied by the first UCI, a quantity of encoded bits occupied by the first UCI, and obtaining, according to a quantity of modulation symbols occupied by the second UCI, a quantity of encoded bits occupied by the second UCI; and
performing channel encoding on the first UCI according to the quantity of encoded bits occupied by the first UCI, to obtain the encoded bit sequence of the first UCI, and performing channel encoding on the second UCI according to the quantity of encoded bits occupied by the second UCI, to obtain the encoded bit sequence of the second UCI.

3 . The method according to claim 2 , wherein obtaining the resource occupied by the first UCI comprises:
determining the quantity ′ 1 of modulation symbols occupied by the first UCI according to one of the following relations:
′ 1 =┌ ′*( O 1 /( O 1 +O 2 )*β offset ┐;

′ 1 =M sc PUCCH *N symb UCI1 ; or

′ 1 =┌ ′*( O 1 +O 2 )*β offset ┐; and

wherein obtaining the resource occupied by the second UCI comprises determining the quantity ′ 2 of modulation symbols occupied by the second UCI according to one of the following relations:
′ 2 = ′− ′ 1 ; or

′ 2 =M sc PUCCH *N symb UCI2 ; and

wherein O 1 is a quantity of information bits of the to-be-transmitted first UCI, O 2 is a quantity of information bits of the to-be-transmitted second UCI, ′ is a capacity of the physical uplink channel, ′==M sc PUCCH *N symb PUCCH , M sc PUCCH is a quantity of subcarriers allocated to the physical uplink channel, M sc PUCCH =12*N PRB , N PRB is a quantity of radio resource blocks RBs allocated to the physical uplink channel, N symb PUCCH is a quantity of time domain symbols used to transmit uplink control information on the physical uplink channel, N symb PUCCH =(2·N symb UL −N DMRS −N SRS ), N symb UL is a quantity of time domain symbols occupied by the physical uplink channel in one timeslot, N DMRS is a quantity of symbols used to transmit a DMRS pilot signal on the physical uplink channel in one subframe, N symb UCI1 is a quantity of time domain symbols used to transmit the first UCI, N symb UCI2 is a quantity of time domain symbols used to transmit the second UCI, β offset is a value semi-statically configured using higher layer signaling, or a predetermined value, and N SRS is a quantity of time domain symbols used to transmit an SRS in the subframe.

4 . The method according to claim 3 , wherein obtaining, according to the quantity of modulation symbols occupied by the first UCI, the quantity of encoded bits occupied by the first UCI, comprises:
obtaining the quantity of encoded bits occupied by the first UCI according to the relation 1 = ′ 1 * m ; and wherein obtaining, according to the quantity of modulation symbols occupied by the second UCI, the quantity of encoded bits occupied by the second UCI, comprises:
obtaining the quantity of encoded bits occupied by the second UCI according to the relation 2 = ′ 2 * m ;
wherein m is a modulation order.

5 . The method according to claim 1 , wherein the resource is a quantity of encoded bits; and
wherein performing channel encoding on the first UCI according to the resource occupied by the first UCI, to obtain the encoded bit sequence of the first UCI, and performing channel encoding on the second UCI according to the resource occupied by the second UCI, to obtain the encoded bit sequence of the second UCI comprises: performing channel encoding on the first UCI according to a quantity of encoded bits occupied by the first UCI, to obtain the encoded bit sequence of the first UCI, and performing channel encoding on the second UCI according to a quantity of encoded bits occupied by the second UCI, to obtain the encoded bit sequence of the second UCI.

6 . The method according to claim 5 , wherein obtaining the resource occupied by the first UCI comprises:
obtaining the quantity 1 of encoded bits occupied by the first UCI according to one of the following relations:
1 =┌ ′*( O 1 /( O 1 +O 2 )*β offset ┐; or

1 =M sc PUCCH *N symb UCI1 ; and
wherein obtaining the resource occupied by second UCI comprises obtaining the quantity 2 of encoded bits occupied by the second UCI according to the following relation:
2 = ′− 1 ; or

2 =M sc PUCCH *N symb UCI2 ;
wherein O 1 is a quantity of information bits of the to-be-transmitted first UCI, O 2 is a quantity of information bits of the to-be-transmitted second UCI, ′ is a capacity of the physical uplink channel, ′==M sc PUCCH *N symb PUCCH * m , M sc PUCCH is a quantity of subcarriers allocated to the physical uplink channel, M sc PUCCH =12*N PRB , N PRB is a quantity of radio resource blocks (RBs) allocated to the physical uplink channel, N symb PUCCH is a quantity of time domain symbols used to transmit uplink control information on the physical uplink channel, N symb PUCCH =(2·N symb UL −N DMRS −N SRS ), N symb UL is a quantity of time domain symbols occupied by the physical uplink channel in one timeslot, N DMRS is a quantity of symbols used to transmit a DMRS pilot signal on the physical uplink channel in one subframe, N symb UCI1 is a quantity of time domain symbols used to transmit the first UCI, N symb UCI2 is a quantity of time domain symbols used to transmit the second UCI, m is a modulation order, β offset is a value semi-statically configured using higher layer signaling, or a predetermined value, and N SRS is a quantity of time domain symbols used to transmit an SRS in the subframe.

7 . The method according to claim 1 , wherein mapping the encoded bit sequence of the first UCI and the encoded bit sequence of the second UCI to the physical uplink channel comprises:
converting the encoded bit sequence of the first UCI into an encoded vector sequence of the first UCI; converting the encoded bit sequence of the second UCI into an encoded vector sequence of the second UCI; interleaving the encoded vector sequence of the first UCI and the encoded vector sequence of the second UCI, to obtain an encoded bit sequence of UCI; and mapping the encoded bit sequence of the UCI to the phys

Assignees

• Huawei Tech Co Ltd

Inventors

• Lyu Yongxia
• Guan Lei
• Yan Zhiyu

Classifications

• H04L1/1864

  ARQ related signaling (H04L1/1607 takes precedence) · CPC title

• H04L1/0073

  Special arrangements for feedback channel · CPC title

• H04L1/0026 Primary

  Transmission of channel quality indication · CPC title

• H04L5/0055

  Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861) · CPC title

• H04B7/0626

  Channel coefficients, e.g. channel state information [CSI] · CPC title