WO2017050078A1

WO2017050078A1 - Method and device for sending and acquiring uplink control information

Info

Publication number: WO2017050078A1
Application number: PCT/CN2016/096241
Authority: WO
Inventors: 杨维维; 戴博; 梁春丽; 夏树强; 左志松
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-09-25
Filing date: 2016-08-22
Publication date: 2017-03-30
Also published as: CN106559878B; CN106559878A

Abstract

A method for sending uplink control information (UCI), comprising: according to received downlink control information (DCI), determining a transmission parameter when the uplink control information (UCI) is transmitted, the DCI being DCI on a physical downlink control channel (PDCCH) or an enhanced physical downlink control channel (EPDCCH) corresponding to a physical uplink shared channel (PUSCH); and sending the UCI on the PUSCH according to the transmission parameter. By means of the solution, the problem in the related art that a downlink resource cannot be effectively utilized in the process of processing uplink control information is solved, thereby not only reducing the effect on the PUSCH on the premise of guaranteeing the performance of the UCI, but also realizing the effective utilization of a downlink resource.

Description

Method and device for transmitting and acquiring uplink control information

Technical field

The present application relates to, but is not limited to, the field of communications, and in particular, to a method and an apparatus for transmitting and acquiring uplink control information (UCI).

Background technique

In the Long Term Evolution (LTE) system, the uplink channel of the terminal includes a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PUCCH), and a physical random access. Physical Ramdom Acess Channel (PRACH), which can transmit data information, hybrid automatic repeat request ACKnowledgement (HARQ-ACK) and channel state information (CSI), PUCCH A scheduling request (SR, Scheduling Request), a HARQ-ACK, and a CSI may be transmitted, where the HARQ-ACK is a Physical Downlink Shared Channel (PDSCH) or a Semi-Persistent Scheduling (Semi-Persistent Scheduling). The response message of the physical downlink control channel/Physical Downlink Control Channel/Enhanced PDCCH (PDCCH/EPDCCH) is released.

In order to meet the requirements of the International Telecommunication Union-Advanced (ITU-Advanced), the Long Term Evolution Advanced (LTE-A) system, which is the evolution standard of LTE, needs to support a larger system. Bandwidth (up to 100MHz) and requires backward compatibility with LTE-related standards. On the basis of the LTE system, the bandwidth of the LTE system can be combined to obtain a larger bandwidth. This technology is called Carrier Aggregation (CA) technology, which can improve the spectrum utilization of the IMT-Advance system. Rate and ease the shortage of spectrum resources, and optimize the utilization of spectrum resources.

In a system in which carrier aggregation is introduced, a carrier to be aggregated is called a component carrier (CC), which is also called a serving cell. At the same time, The concept of a primary component carrier/cell (PCC/PCell) and a secondary component carrier/cell (SCC/SCell) is used in a carrier aggregation system. There is at least one primary serving cell and a secondary serving cell, wherein the primary serving cell is always active.

In the related carrier aggregation system, the uplink control information includes a request scheduling SR, a HARQ-ACK, and a periodic CSI. When no PUSCH is simultaneously transmitted, the foregoing control information can only be sent on the PUCCH of the PCell. At the same time, the protocol defines multiple PUCCH formats to accommodate different uplink control information in different scenarios. The various PUCCH formats include:

PUCCH format 1: bears the SR;

PUCCH format 1a/1b: bears 1/2 bit HARQ-ACK or 1/2 bit HARQ-ACK and SR

PUCCH format 2a/2b: carrying 1/2 bit HARQ-ACK and periodic CSI;

PUCCH format 2: bearer period CSI or bearer period CSI and HARQ-ACK;

PUCCH format 3: bears HARQ-ACK, or carries HARQ-ACK and SR, or carries HARQ-ACK and CSI, or carries HARQ-ACK, SR, and CSI. PUCCH format 3 itself can carry up to 22 bits, and the related protocol specifies that it can carry up to 20 bits of HARQ-ACK, or 20 bits of HARQ-ACK and 1 bit of SR, or 10 bits of HARQ and 11 bits of CSI and 1 The SR of the bit.

1 is a schematic diagram of a process of processing uplink control information on a PUSCH (PUSCH corresponding to a single codeword stream) in the related art. As shown in FIG. 1, the uplink data is transmitted in the form of a transport block (TB), TB. CRC attachment, code block segmentation and code block CRC attachment, channel coding, rate matching, code block synthesis (Code) After the block concatenation), the CQI (Channel Quality Indication)/PMI (Precoding Matrix Indicator) is used to perform multiplexing of uplink data and control signaling, and finally the coded ACK/ is interleaved by channel interleaving. The NACK response information and the RI (Rank Indicator) information and data are multiplexed together. The coding process corresponding to the uplink control information is as follows:

First according to formula (1)

Calculate the number of required coded modulation symbols Q' _ACK , Q' _RI ,

Calculating the number Q' _{CQI of the} required coded modulation symbols according to formula (2);

Where O represents the number of bits of the uplink control information sent;

Indicates the bandwidth used by the current subframe for PUSCH transmission, expressed in the number of carriers;

Indicates the number of symbols used in the initial PUSCH transmission except for a Demodulation Reference Signal (DMRS) and a Sounding Reference Signal (SRS);

Indicates the bandwidth of the initial PUSCH transmission, which is represented by the number of subcarriers; C represents the number of code blocks corresponding to the transport block after being divided by the CRC and the code block; K _r represents the number of bits corresponding to each code block of the transport block; For the same transport block, C, K _r and

Obtained from the initial PDCCH; when there is no PDCCH of the initial DCI format 0,

C and K _r can be obtained in the following two ways: (1) when the initial PUSCH adopts semi-persistent scheduling, it can be obtained from the PDCCH of the latest semi-persistent scheduling configuration; (2) when the PUSCH is triggered by the random access response authorization, Obtaining from the random access response authorization corresponding to the same transport block;

Express

or

The value is configured by a higher layer; L is the number of CRC check bits for CQI/PMI information. When O _{CQI is} greater than 11, L=8, otherwise L=0; then channel coding is performed according to the coding mode corresponding to the uplink control information, ACK / NACK information, the RI information and the CQI / PMI encoding information bits repeated until satisfying Q = Q '* until Q _m, in accordance with a modulation order, coding and modulation to generate a corresponding sequence.

The determination of the current HARQ-ACK feedback sequence is determined based on the configured parameters. For an aggregation system in which the primary serving cell is FDD (Frequency Division Duplexing), the terminal determines the feedback HARQ-ACK sequence according to the configured number of serving cells and the transmission mode configured by the serving cell, and one feedback HARQ-ACK The uplink subframe, the corresponding downlink serving cell constitutes a binding window, and FIG. 2 is a related system in the related art in which the primary serving cell is an FDD aggregation system. A schematic diagram of the HARQ-ACK binding window, as shown in FIG. 2, the HARQ-ACK of the downlink subframe 0 will be transmitted on the uplink subframe 4, and the binding window of the FDD includes only the dimension of the number of serving cells. For an aggregation system in which the primary serving cell is a TDD, the terminal determines, according to the configured number of serving cells, the transmission mode configured by the serving cell, and the downlink subframe of the HARQ-ACK to be fed back on the serving cell, and an uplink sub-feedback of the HARQ-ACK. The frame, the corresponding downlink serving cell and the downlink subframe form a binding window, and FIG. 3 is a schematic diagram of the HARQ-ACK binding window in the aggregation system of the TDD (Time Division Duplexing) in the related art in the related art. As shown in FIG. 3, assuming that the uplink and downlink configurations of the TDD serving cell are the same and both are uplink and downlink configuration 2, the HARQ-ACK of the

downlink subframes

9, 0, 1, and 3 will be transmitted on the uplink subframe 7, and the TDD is The binding window includes two dimensions of the number of serving cells and the number of subframes.

In the TDD system, when the HARQ-ACK needs to be transmitted on the PUSCH and the PUSCH transmitted by the HARQ-ACK has a corresponding DCI format 0/4, the terminal calculates the number of coding modulations required for transmitting the HARQ-ACK according to the DCI format 0/4. The DAI (Downlink Assignment Index) determines the number of HARQ-ACK bits transmitted, which can correctly reflect the actual scheduling situation, calculate a reasonable number of coded modulations, and reduce the impact on the data. The example in which the HARQ-ACK is transmitted in the PUCCH format3 is used as an example. The HARQ-ACK feedback sequence corresponding to the serving cell c is

Wherein, when the transmission mode corresponding to the serving cell c supports one transport block or the airspace HARQ-ACK binding is enabled,

otherwise

For the serving cell c, the number of downlink subframes of the HARQ-ACK bit needs to be fed back; for the TDD uplink and downlink configuration {1, 2, 3, 4, 6} and the PUSCH transmission is based on the detected DCI format 0/4, then

The value corresponding to the DAI field in DCI format0/4.

Considering that the foregoing HARQ-ACK feedback sequence determining method is used in a configured serving cell (a scenario corresponding to an FDD as a primary serving cell) or a serving cell and a subframe (a scenario corresponding to a TDD as a primary serving cell), and the actual scheduling requires HARQ- When the serving cell or the serving cell and the subframe with relatively small ACK feedback are relatively small, the terminal will feedback a large amount of useless HARQ-ACK information. These useless HARQ-ACK information affects the receiving performance of the HARQ-ACK on the base station side, and on the other hand, the terminal needs more transmission power and/or more uplink resources to transmit HARQ-ACK.

For the related art, in the process of processing uplink control information, invalid information is reported to the data. The problem of impact has not yet come up with an effective solution.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The embodiment of the invention provides a method and a device for transmitting and acquiring uplink control information (UCI), so as to at least solve the problem that the invalid information is reported to the data in the process of processing the uplink control information in the related art.

According to an aspect of the present invention, a method for transmitting a UCI is provided, including: determining, according to received downlink control information (DCI), a transmission parameter when transmitting UCI; wherein the DCI is a physical uplink shared channel (PUSCH) Corresponding physical downlink control channel (PDCCH) or DCI on the enhanced physical downlink control channel (EPDCCH); transmitting the UCI on the PUSCH according to the foregoing transmission parameter.

In the embodiment of the present invention, the foregoing transmission parameter includes at least one of the following: an offset parameter

Wherein said

An offset parameter used to calculate a number of coded modulation symbols when the UCI is transmitted on the PUSCH; a serving cell and/or a downlink subframe index that carries the UCI on the PUSCH; and the UCI is in the PUSCH transmission. The single-carrier frequency division multiple access (SC-FDMA) symbol; the binding mode of the UCI; the number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe; and the number of coding modulation symbols of the UCI The serving cell in which the PUSCH carrying the UCI is located; the UCI transmitted simultaneously in the same subframe.

In the embodiment of the present invention, determining the transmission parameter when the UCI transmission is performed according to the received DCI includes: determining, according to the value of the transmission indication field in the DCI, the transmission parameter in the UCI transmission.

In the embodiment of the present invention, when the at least one of the following conditions is met, the foregoing DCI includes the foregoing transmission indication field: the number of aggregated serving cells is greater than N, where N is a positive integer greater than 0; The number is greater than M, where M is a positive integer greater than 0; when the DAI in the PDCCH or EPDCCH corresponding to the PDSCH is the DAI for determining the actually transmitted HARQ-ACK; when the high layer signaling configuration is enabled .

In the embodiment of the present invention, when the foregoing transmission parameter is

Determining, according to the value of the transmission indication field in the DCI, the transmission parameter when the UCI transmission is included, according to the value of the transmission indication field and the

Correspondence relationship and the value of the transmission indication field are determined

a value; wherein the UCI includes at least one of: a hybrid automatic repeat request response (HARQ-ACK), a rank indication (RI), a channel quality indicator (CQI), or a precoding matrix indication (PMI); Transmitting the above UCI on the PUSCH includes: according to the determined above

The value calculates the number of coded modulation symbols required for UCI to transmit on the PUSCH; encodes the UCI according to the number of coded modulation symbols; and transmits the encoded UCI on the PUSCH.

In the embodiment of the present invention, when the foregoing transmission parameter is a serving cell and/or a downlink subframe index that carries the UCI on the PUSCH, determining, according to the value of the transmission indication field in the DCI, the transmission parameter in the UCI transmission includes: Determining a correspondence between a value of the transmission indication field and a serving cell set and a value of the transmission indication field, and determining a serving cell and/or a downlink subframe index corresponding to the UCI on the PUSCH; wherein the UCI includes a HARQ-ACK; The transmitting the UCI on the PUSCH by the foregoing transmission parameter includes: acquiring a UCI sequence to be sent on the PUSCH according to the determined serving cell and/or a downlink subframe index carrying the UCI on the PUSCH, and transmitting the UCI sequence corresponding to the PUSCH on the PUSCH UCI.

In the embodiment of the present invention, when the transmission parameter is a single carrier frequency division multiple access SC-FDMA symbol occupied by the UCI during the PUSCH transmission, determining the transmission during the UCI transmission according to the value of the transmission indication field in the DCI. The parameter includes: determining, according to the correspondence between the value of the transmission indication field and the SC-FDMA symbol and the value of the transmission indication field, the number of the SC-FDMA symbols occupied by the UCI when transmitting on the PUSCH And/or a location, where the UCI includes at least one of: HARQ-ACK, RI; transmitting the UCI on the PUSCH according to the foregoing transmission parameter, including: interleaving according to the determined number and/or location of the SC-FDMA symbols. The UCI coded modulation sequence is mapped onto the SC-FDMA symbol of the PUSCH, and the UCI corresponding to the UCI coded modulation sequence is transmitted on the PUSCH.

In the embodiment of the present invention, when the foregoing transmission parameter is UCI space binding, determining, according to the value of the transmission indication field in the DCI, the transmission parameter during the UCI transmission includes: binding the UCI according to the value of the transmission indication field. And determining, according to the foregoing transmission parameter, the binding manner of the UCI when transmitting on the PUSCH, where the UCI includes the HARQ-ACK; and sending the UCI on the PUSCH according to the foregoing transmission parameter includes: According to the determined binding party The UCI sequence transmitted on the PUSCH is obtained, and the UCI corresponding to the UCI sequence is transmitted on the PUSCH.

In the embodiment of the present invention, when the transmission parameter is the number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe, determining, according to the value of the transmission indication field in the DCI, the transmission parameter during the UCI transmission includes: Determining, according to the correspondence between the value of the transmission indication field and the number of bits of the UCI, and the value of the transmission indication field, determining the number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe; wherein the UCI includes HARQ - ACK; transmitting the UCI on the PUSCH according to the foregoing transmission parameter, comprising: obtaining a UCI sequence transmitted on the PUSCH according to the determined number of UCI bits corresponding to the downlink serving cell and/or the downlink subframe, and transmitting the foregoing on the PUSCH UCI corresponding to the UCI sequence.

In the embodiment of the present invention, when the transmission parameter is the coded modulation symbol number adjustment factor of the UCI, determining, according to the value of the transmission indication field in the DCI, the transmission parameter during the UCI transmission includes: according to the transmission indication field Determining a value of the coded modulation symbol number adjustment factor of the UCI and a value of the transmission indication field, and determining a value of the coded modulation symbol number adjustment factor of the UCI; wherein the UCI includes a HARQ-ACK, an RI; Transmitting the UCI on the PUSCH according to the foregoing transmission parameter includes: calculating, according to the determined value of the coded modulation symbol number adjustment factor, a number of coded modulation symbols required for transmitting the DCI on the PUSCH, according to the number of the coded modulation symbols. The UCI sequence transmitted on the PUSCH transmits the UCI corresponding to the UCI sequence on the PUSCH.

In the embodiment of the present invention, when the foregoing transmission parameter is the serving cell where the PUSCH carrying the UCI is located, determining the foregoing according to the correspondence between the value of the transmission indication field and the serving cell and the value of the transmission indication field. The transmission parameter of the UCI transmission includes: determining, according to the value of the foregoing transmission indication field, a serving cell in which the PUSCH carrying the UCI is located; wherein the UCI includes at least one of: HARQ-ACK, CSI; and transmitting on the PUSCH according to the foregoing transmission parameter. The UCI includes transmitting the UCI on the indicated serving cell.

In the embodiment of the present invention, when the foregoing transmission parameter is the UCI that is simultaneously transmitted, determining, according to the value of the transmission indication field in the DCI, the transmission parameter during the UCI transmission includes: transmitting according to the value of the transmission indication field and the simultaneous transmission. The UCI correspondence and the value of the transmission indication field determine a UCI that is simultaneously transmitted; wherein the UCI includes at least one of the following: HARQ-ACK, SR, CSI; transmitting the UCI on the PUSCH according to the foregoing transmission parameter includes: transmitting, on the PUSCH, the determined UCI that is simultaneously transmitted.

In the embodiment of the present invention, in the time division duplex TDD mode, the foregoing transmission indication field is a downlink allocation indication field DAI in the PDCCH corresponding to the PUSCH or a DCI on the EPDCCH; in a frequency division duplex FDD In the mode, the foregoing transmission indication field is a control domain of a DCI extension on the PDCCH or the EPDCCH corresponding to the PUSCH.

According to another aspect of the present invention, a method for obtaining a UCI is provided, including: indicating, by using a configured DCI, a transmission parameter when transmitting UCI; wherein the DCI is a PDCCH corresponding to a PUSCH or a DCI on an EPDCCH; The above transmission parameter acquires the above UCI sent by the terminal.

Wherein said

An offset parameter used to calculate the number of coded modulation symbols of the UCI; a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH; and a single carrier frequency division occupied by the UCI during the PUSCH transmission a multiple access SC-FDMA symbol; the UCI binding method; a number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe; a coded modulation symbol number adjustment factor of the UCI; and a serving cell where the PUSCH carrying the UCI is located ; UCI sent simultaneously on the same subframe.

In the embodiment of the present invention, the transmission parameter when the UCI transmission is indicated by the configured DCI includes: indicating, by using the configured value of the transmission indication field in the DCI, the transmission parameter in the UCI transmission.

In the embodiment of the present invention, when the at least one of the following conditions is met, the DCI includes the transmission indication field: the number of aggregated serving cells is greater than N, where N is a positive integer greater than 0; The number of cells is greater than M, where M is a positive integer greater than 0; when the DAI in the PDCCH or EPDCCH corresponding to the PDSCH is used to determine the DAI of the UCI that is actually needed to be transmitted;

In the embodiment of the present invention, in the TDD mode, the transmission indication field is the PDCCH corresponding to the PUSCH or the downlink allocation indication field DAI on the DCI on the EPDCCH; in the FDD mode, the transmission indication field is An extended control domain on the PDCCH corresponding to the PUSCH or DCI on the EPDCCH.

According to another aspect of an embodiment of the present invention, a UCI transmitting apparatus is provided, which is located at a terminal. The determining module is configured to determine, according to the received DCI, a transmission parameter when the UCI transmission is performed, where the DCI is a PDCCH corresponding to the PUSCH or a DCI on the EPDCCH, and a sending module is configured to use the foregoing transmission parameter on the PUSCH. Send the above UCI.

Wherein said

An offset parameter used to calculate the number of coded modulation symbols of the UCI; a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH; and a single carrier frequency division occupied by the UCI during the PUSCH transmission a multiple access SC-FDMA symbol; a binding manner of the UCI; a number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe; a number of coding modulation symbols of the UCI; and a service of the PUSCH carrying the UCI Cell; UCI transmitted simultaneously on the same subframe.

In the embodiment of the present invention, the sending module is further configured to determine, according to the value of the transmission indication field in the DCI, the transmission parameter in the UCI transmission.

According to another aspect of the present invention, a UCI acquiring apparatus is provided, which is located in a base station, and includes: an indication module, configured to indicate a transmission parameter when a UCI transmission is performed by using a configured DCI; wherein the DCI is a PUSCH corresponding to The DCI on the PDCCH or the EPDCCH; the acquiring module is configured to acquire the UCI sent by the terminal according to the indicated transmission parameter.

Wherein said

In the embodiment of the present invention, the indication module is further configured to indicate, by using the configured value of the transmission indication field in the DCI, the transmission parameter in the UCI transmission.

The embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented when the computer executable instructions are executed.

According to the embodiment of the present invention, the transmission parameter when the UCI transmission is determined according to the received DCI is adopted, where the DCI is the PDCCH corresponding to the PUSCH or the DCI on the EPDCCH; and the UCI is sent on the PUSCH according to the foregoing transmission parameter, that is, through the DCI. The method of determining the transmission parameter of the UCI transmission, and transmitting the UCI according to the transmission parameter, solves the problem that the impact of the invalid information reporting on the data in the uplink control information processing process in the related art can not only ensure the performance of the UCI described above. Under the premise, the impact on the PUSCH is reduced, and the effective utilization of downlink resources is realized.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

The drawings described herein are intended to provide a further understanding of the present application, and are intended to be a part of this application. In the drawing:

1 is a schematic diagram of a processing procedure when uplink control information is transmitted on a PUSCH (PUSCH corresponding to a single codeword stream) in the related art;

2 is a schematic diagram of a HARQ-ACK binding window in an aggregation system in which a primary serving cell is an FDD in the related art;

3 is a schematic diagram of a HARQ-ACK binding window in an aggregation system in which a primary serving cell is a TDD in the related art;

4 is a flowchart of a method for transmitting uplink control information (UCI) according to an embodiment of the present invention;

FIG. 5 is a flowchart of a method for acquiring UCI according to an embodiment of the present invention; FIG.

FIG. 6 is a structural block diagram of a transmitting apparatus of a UCI according to an embodiment of the present invention; FIG.

FIG. 7 is a structural block diagram of an apparatus for acquiring UCI according to an embodiment of the present invention; FIG.

FIG. 8 is a first schematic diagram of a scheduled downlink subframe configured by a base station according to an alternative embodiment of the present application; FIG.

FIG. 9 is a second schematic diagram of a scheduled downlink subframe configured by a base station according to an alternative embodiment of the present application.

Embodiments of the invention

The present application will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or order.

For the related art, the foregoing HARQ-ACK feedback sequence determining method is used in the configured serving cell (the scenario corresponding to the FDD as the primary serving cell) or the serving cell and the subframe (the scenario corresponding to the TDD as the primary serving cell), and the actual scheduling is performed. When the serving cell or the serving cell and the subframe that require HARQ-ACK feedback are relatively small, the terminal will feedback a large amount of useless HARQ-ACK information. Therefore, determining the HARQ-ACK sequence according to the scheduling cell is a subsequent enhancement scheme, where the DAI domain in the PDCCH/EPDCCH corresponding to the PDSCH is introduced to solve the problem that the base station (eNB) and the terminal (UE) do not understand the HARQ-ACK feedback sequence inconsistency. The second DAI design, for example the second DAI, is a serving small area DAI and a subframe domain DAI, different from the associated first DAI. The HARQ-ACK sequence actually needed to be transmitted can be determined by the introduced second DAI scheme. Therefore, when the HARQ-ACK is transmitted on the PUSCH, the number of coded modulation symbols required for HARQ-ACK is calculated according to the length of the HARQ-ACK sequence. OK, you do not need to be determined by the DAI field in DCI format0/4.

In this embodiment, a method for transmitting uplink control information (UCI) is provided. FIG. 4 is a flowchart of a method for transmitting UCI according to an embodiment of the present invention. As shown in FIG. 4, the method includes the following steps:

Step S402, determining, according to the received downlink control information (DCI), a transmission parameter when the uplink control information (UCI) is transmitted; where the DCI is a physical downlink control channel (PDCCH) corresponding to a physical uplink shared channel (PUSCH) or enhanced physical DCI on the downlink control channel (EPDCCH);

Step S404, transmitting the UCI on the PUSCH according to the foregoing transmission parameter;

And determining, by using the received DCI, a transmission parameter when the UCI transmission is performed according to the received DCI; where the DCI is a PDCCH corresponding to the PUSCH or a DCI on the EPDCCH; and sending the UCI on the PUSCH according to the foregoing transmission parameter, that is, determining the UCI by using the DCI. The transmission parameter at the time of transmission, according to the transmission parameter, the manner of transmitting the UCI, that is, the dynamic determination by DCI is realized. The transmission parameters of the UCI transmission can reflect the actual UCI transmission situation, and the accuracy of the transmission parameters is increased compared with the semi-static determination method in the related art, thereby solving the related art in the process of processing the uplink control information. The problem of downlink resources cannot be effectively utilized, and the impact on the PUSCH can be reduced not only under the premise of ensuring the UCI performance, but also the effective utilization of downlink resources is realized.

It should be noted that the foregoing transmission parameter may include at least one of the following:

Offset parameter

Wherein said

An offset parameter for calculating a number of coded modulation symbols when the UCI is transmitted on the PUSCH;

a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH;

a single carrier frequency division multiple access (SC-FDMA) symbol occupied by the above UCI during the PUSCH transmission;

The binding method of the above UCI;

The number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe;

The UCI coding modulation symbol number adjustment factor;

a serving cell in which the PUSCH carrying the UCI is located;

UCI sent simultaneously on the same subframe.

It should be noted that the above

It can be expressed as

The

It can be a high-level signaling configuration, and the information contained in the UCI is different.

The specific meaning of the representation is different, for example, when UCI includes HARQ-ACK, the above

It can be expressed as

Above

It may be an offset value in the number of UCI coded modulation symbols calculated in TS36.212, for example

It may be an offset value in the following formula for calculating the number of coded modulation symbols of UCI:

Where O represents the number of bits of the transmitted UCI;

Representing the number of symbols in addition to the demodulation reference signal (DMRS) and the measurement reference signal (SRS) in the initial PUSCH transmission;

Indicates the bandwidth of the initial PUSCH transmission, which is represented by the number of subcarriers; C represents the number of corresponding code blocks after the CRC and the code block are divided by the transport block; K _r represents the number of bits corresponding to each code block of the transport block; It may also be an offset parameter for calculating the number of coded modulation symbols of the UCI in other scenarios, and is not limited thereto.

In the embodiment of the present invention, when the at least one of the following conditions is met, the DCI may include a transmission indication field:

The number of aggregated serving cells is greater than N;

The number of configured serving cells is greater than M;

When the DAI in the PDCCH or the EPDCCH corresponding to the PDSCH is the DAI for determining the UCI that actually needs to be transmitted; wherein, N, M is a positive integer greater than 0;

When high-level signaling configuration is enabled.

In the case that the transmission indication field is included in the DCI, the foregoing step S402 may include: determining, according to the value of the transmission indication field in the DCI, the transmission parameter in the UCI transmission.

It should be noted that the foregoing transmission indication field may be 2 bits. In the TDD system, the transmission indication field may be a downlink allocation indication field DAI in DCI format0/4. In the FDD system, the transmission indication field is DCI format0/ The extended control domain in 4, that is, the newly added control domain on the DCI, uses the newly added control domain as the transmission indication domain.

The above transmission parameters are determined by the value of the transmission indication field, and the DCI, such as the control domain in DCI format 0/4, can be effectively utilized, thereby effectively realizing the effective utilization of downlink resources.

In the embodiment of the present invention, the foregoing transmission parameters are different, and the manner of determining the transmission parameter and the manner of transmitting the UCI are different:

In an optional embodiment of the present application, when the transmission parameter is the above

Time,

The foregoing step S402 may include: according to the value of the transmission indication field and the

a value; wherein the UCI includes at least one of: a hybrid automatic repeat request response (HARQ-ACK), a rank indication (RI), a channel quality indicator (CQI), or a precoding matrix indication (PMI);

The above step S404 may include: according to the determined above

In an optional embodiment of the present application, when the foregoing transmission parameter is a serving cell and/or a downlink subframe index that carries the UCI on the PUSCH,

The foregoing step S402 may include: determining, according to the correspondence between the value of the transmission indication field and the serving cell set and the value of the transmission indication field, the serving cell and/or the downlink subframe index corresponding to the bearer UCI on the PUSCH; The above UCI includes HARQ-ACK;

The foregoing step S404 may include: acquiring a UCI sequence to be transmitted on the PUSCH according to the determined serving cell and/or a downlink subframe index that carries the UCI on the PUSCH, and transmitting the UCI corresponding to the UCI sequence on the PUSCH.

In an optional embodiment of the present application, when the foregoing transmission parameter is a single carrier frequency division multiple access (SC-FDMA) symbol occupied by the UCI in the foregoing PUSCH transmission,

The foregoing step S402 may include: determining, according to the correspondence between the value of the transmission indication field and the SC-FDMA symbol and the value of the transmission indication field, the SC-FDMA symbol occupied by the UCI when transmitting on the PUSCH. The number and/or location; wherein the UCI includes at least one of the following: HARQ-ACK, RI;

The foregoing step S404 may include: mapping, according to the determined number and/or location of the SC-FDMA symbols, a UCI coded modulation sequence onto the SC-FDMA symbol of the PUSCH, and transmitting the UCI code on the PUSCH. The UCI corresponding to the modulation sequence.

In an optional embodiment of the present application, when the foregoing transmission parameter is UCI space binding,

The foregoing step S402 may include: determining, according to the correspondence between the value of the transmission indication field and the UCI binding mode, and the value of the transmission indication field, a binding manner of the UCI when transmitting on the PUSCH; UCI includes HARQ-ACK;

The foregoing step S404 may include: obtaining, according to the determined binding manner, a UCI sequence transmitted on the PUSCH, and transmitting, on the PUSCH, a UCI corresponding to the UCI sequence.

In an optional embodiment of the present application, when the foregoing transmission parameter is the number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe,

The foregoing step S402 may include: determining, according to the correspondence between the value of the transmission indication field and the number of bits of the UCI, and the value of the transmission indication field, determining that the downlink serving cell and/or the downlink subframe correspond to The number of bits of the above UCI; wherein the UCI includes HARQ-ACK;

The step S404 may include: obtaining a UCI sequence transmitted on the PUSCH according to the determined number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe, and transmitting the UCI corresponding to the UCI sequence on the PUSCH.

In an optional embodiment of the present application, when the foregoing transmission parameter is a coded modulation symbol number adjustment factor of the UCI,

The foregoing step S402 may include: determining, according to a correspondence between a value of the transmission indication field and a coded modulation symbol number adjustment factor of the UCI, and a value of the transmission indication field, determining a number of coding modulation symbol adjustment factors of the UCI. a value; wherein the UCI includes a HARQ-ACK, an RI;

The foregoing step S404 may include: calculating, according to the determined value of the coded modulation symbol number adjustment factor, a number of coded modulation symbols required for transmission of the DCI on the PUSCH, and obtaining a UCI transmitted on the PUSCH according to the number of the coded modulation symbols. The sequence transmits the UCI corresponding to the UCI sequence on the PUSCH.

In an optional embodiment of the present application, when the foregoing transmission parameter is a serving cell where the PUSCH carrying the UCI is located,

The foregoing step S402 may include: determining, according to a correspondence between the value of the transmission indication field and the serving cell, and a value of the transmission indication domain, a serving cell in which the PUSCH carrying the UCI is located; wherein the UCI includes at least the following One: HARQ-ACK, CSI;

The foregoing step S404 may include: transmitting the UCI on the indicated serving cell.

In an optional embodiment of the present application, when the foregoing transmission parameter is a UCI that is simultaneously transmitted on the same subframe,

The foregoing step S402 may include: determining a UCI that is simultaneously transmitted according to the correspondence between the value of the foregoing transmission indication field and the simultaneously transmitted UCI and the value of the transmission indication field; wherein the UCI includes at least one of the following: HARQ- ACK, SR, CSI;

The foregoing step S404 may include: transmitting the determined UCI that is simultaneously transmitted on the PUSCH.

It should be noted that the correspondence between the value of the foregoing transmission indication field and each of the foregoing transmission parameters may be preset according to a specific situation, for example, the value of the transmission indication field is as described above.

Corresponding relationship between the value of the transmission indication field and the corresponding set of the serving cell set, the correspondence between the value of the transmission indication field and the SC-FDMA symbol, the value of the transmission indication field and the UCI Correspondence between the binding mode, the value of the transmission indication field and the number of bits of the UCI, the correspondence between the value of the transmission indication field and the number of coding modulation symbols of the UCI, the transmission indication The correspondence between the value of the domain and the serving cell, the correspondence between the value of the transmission indication field and the corresponding relationship of the UCI that is simultaneously transmitted may be configured by the base station.

The above embodiments can not only improve the performance of UCI transmission, but also reduce the impact of transmission on the PUSCH on the uplink data, and can effectively utilize the control domain in the DCI format 0/4 to realize efficient use of downlink resources.

A method for obtaining UCI is provided in this embodiment. FIG. 5 is a flowchart of a method for acquiring UCI according to an embodiment of the present invention. As shown in FIG. 5, the method includes the following steps:

Step S502, indicating, by using the configured DCI, a transmission parameter when the UCI is transmitted; where the DCI is a PDCCH corresponding to the PUSCH or a DCI on the EPDCCH;

Step S504, acquiring the UCI sent by the terminal according to the indicated transmission parameter.

Through the above steps, the transmission parameter when the UCI transmission is indicated by using the configured DCI; the UCI is obtained according to the indicated transmission parameter, that is, the transmission parameter when the UCI transmission is indicated by the configured DCI, and the UCI is obtained according to the transmission parameter, that is, The transmission parameter when the UCI transmission is dynamically configured through the DCI is implemented. The dynamic configuration method can reflect the real UCI transmission situation, and the accuracy of the transmission parameter is increased compared with the semi-static configuration mode in the related art. The problem that the downlink resource cannot be effectively utilized in the uplink control information processing process in the related art is solved, and the impact on the PUSCH can be reduced not only on the premise of ensuring the UCI performance, but also the effective utilization of the downlink resource is realized.

Offset parameter

Wherein said

a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH;

The binding method of the above UCI;

The UCI coding modulation symbol number adjustment factor;

a serving cell in which the PUSCH carrying the UCI is located;

UCI sent simultaneously on the same subframe.

It should be noted that the above

It can be expressed as

and / or

The

It can be expressed as

It should be noted that the above

It can be expressed as

and / or

The

It can be expressed as

Above

It may be an offset value in the number of UCI coded modulation symbols calculated in TS 36.212, and may be, for example, an offset in the following formula for calculating the number of UCI coded modulation symbols:

Where O represents the number of bits of the transmitted UCI;

Indicates the bandwidth of the initial PUSCH transmission, which is represented by the number of subcarriers; C represents the number of code blocks corresponding to the transport block after being divided by the CRC and the code block; K _r represents the number of bits corresponding to each code block of the transport block; It may also be an offset parameter for calculating the number of coded modulation symbols of the UCI in other scenarios, and is not limited thereto.

The number of aggregated serving cells is greater than N;

The number of configured serving cells is greater than M;

When the PDSCH corresponds to the PDCCH or the DAI in the EPDCCH is used to determine the actual need to pass When the DAI of the UCI is lost; wherein N, M are positive integers greater than 0;

When high-level signaling configuration is enabled.

In the case that the transmission indication field is included in the DCI, the foregoing step S502 may include: configuring the transmission parameter when the UCI transmission is performed by using the value of the transmission indication field in the DCI.

It should be noted that the foregoing transmission indication field may be 2 bits. In the TDD system, the transmission indication field may be a downlink allocation indication field DAI in DCI format0/4. In the FDD system, the transmission indication field may be DCI format0. The extended control domain in /4, that is, the new control domain is added in the DCI, and the newly added control domain is used as the transmission indication domain.

The transmission parameter is configured by using the value of the transmission indication field, that is, the value of the transmission indication field indicates the foregoing transmission parameter, and the DCI, such as the control domain in the DCI format 0/4, can be effectively utilized, thereby implementing the downlink resource better. use efficiently.

In the embodiment of the present invention, the foregoing transmission parameters are different, the manner in which the transmission parameters are configured, and the manner in which the UCI is obtained are also different:

In an embodiment of the present application, when the transmission parameter is the above

Time,

The above step S502 may include: according to the value of the transmission indication field and

Corresponding relationship of values, indicating the value corresponding to the value of the transmission indication field by the value of the configured transmission indication field

The value of the UCI includes at least one of the following: HARQ-ACK, RI, CQI, or PMI;

The above step S504 may include: according to the above indication

The value calculates the number of coded modulation symbols required for the UCI to be transmitted on the PUSCH, acquires the code adjustment sequence corresponding to the UCI on the corresponding modulation coded symbol, and demodulates and decodes the code adjustment sequence to obtain the UCI.

In an embodiment of the present application, when the foregoing transmission parameter is a serving cell and/or a downlink subframe index that carries the UCI on the PUSCH,

The foregoing step S502 may include: indicating, according to the correspondence between the value of the pre-configured transmission indication field and the serving cell set, the value of the configured transmission indication field, indicating that the UCI is carried on the PUSCH corresponding to the value of the transmission indication domain. a serving cell and/or a downlink subframe index; wherein the UCI includes a HARQ-ACK;

The foregoing step S504 may include: the small service carrying the UCI on the PUSCH according to the indication is small. The zone and/or downlink subframe index results in a UCI sequence transmitted on the PUSCH described above.

In an embodiment of the present application, when the foregoing transmission parameter is a single carrier frequency division multiple access (SC-FDMA) symbol occupied by the UCI during the PUSCH transmission,

The foregoing step S502 may include: indicating, according to a value of the configured transmission indication field, the value corresponding to the value of the transmission indication field, according to a pre-configured correspondence between a value of the transmission indication field and the SC-FDMA symbol The number and/or location of the SC-FDMA symbols; wherein the UCI includes at least one of the following: HARQ-ACK, RI;

The foregoing step S504 may include: acquiring, according to the indicated number and/or position of the SC-FDMA symbols, a UCI coded modulation sequence on the SC-FDMA symbol when deinterleaving; and obtaining the UCI.

In an embodiment of the present application, when the foregoing transmission parameter is a UCI binding mode,

The foregoing step S502 may include: indicating, according to a preset value of the value of the transmission indication field and the UCI binding mode, the value corresponding to the value of the transmission indication field by using a value of the configured transmission indication field a binding mode when the UCI is transmitted on the PUSCH; where the UCI includes a HARQ-ACK;

The foregoing step S504 may include: obtaining, according to the indicated binding manner, a UCI sequence transmitted on the PUSCH.

In an embodiment of the present application, when the foregoing transmission parameter is the number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe,

The foregoing step S502 may include: indicating, according to a preset value of the value of the transmission indication field and the number of bits of the UCI, the value corresponding to the value of the transmission indication field by using a value of the configured transmission indication field The number of bits of the UCI; wherein the UCI includes the HARQ-ACK;

The foregoing step S504 may include: obtaining, according to the indicated number of UCI bits corresponding to the downlink serving cell and/or the downlink subframe, a UCI sequence transmitted on the PUSCH.

In the embodiment of the present invention, when the transmission parameter is the number of coding modulation symbols of the UCI,

The foregoing step S502 may include: according to the corresponding relationship between the value of the transmission indication field and the coded modulation symbol number adjustment factor of the UCI, the value of the configured transmission indication field And indicating a value of the coded modulation symbol number adjustment factor of the UCI corresponding to the value of the transmission indication field; wherein the UCI includes a HARQ-ACK, an RI;

The foregoing step S504 may include: calculating, according to the indicated value of the coded modulation symbol number adjustment factor, the number of coded modulation symbols required for the transmission of the DCI on the PUSCH, and acquiring the coding adjustment corresponding to the UCI on the corresponding modulation coded symbol. a sequence; demodulating and decoding the above code adjustment sequence to obtain the UCI.

In the embodiment of the present invention, when the foregoing transmission parameter is the serving cell where the PUSCH of the UCI is located, the step S502 may include: according to the pre-configured correspondence between the value of the transmission indication field and the serving cell, The value of the configured transmission indication field is used to indicate a serving cell corresponding to the value of the transmission indication field, where the UCI includes at least one of the following: a HARQ-ACK, a channel state information CSI, and the foregoing step S504 may include: according to the indication The serving cell in which the PUSCH carrying the UCI is located obtains the UCI.

In the embodiment of the present invention, when the foregoing transmission parameter is the UCI that is simultaneously transmitted, the foregoing step S502 may include: performing the configured transmission according to the pre-configured correspondence between the value of the transmission indication field and the simultaneously transmitted UCI. The value of the indication field is used to indicate the simultaneously transmitted UCI corresponding to the value of the transmission indication field; wherein the UCI includes at least one of: HARQ-ACK, SR, CSI; and the foregoing step S504 may include: according to the indication The UCI transmitted at the same time obtains the above UCI.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation. Based on such understanding, the technical solution of the present application, which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM). The instructions include a number of instructions for causing a terminal device (which may be a cell phone, computer, server, or network device, etc.) to perform the methods described in each embodiment of the present application.

In this embodiment, a UCI transmitting apparatus is further provided, which is used to implement the foregoing embodiments and optional implementation manners, and has not been described again. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

FIG. 6 is a structural block diagram of a transmitting apparatus of a UCI according to an embodiment of the present invention. The apparatus is located in a terminal. As shown in FIG. 6, the apparatus includes:

The determining module 62 is configured to determine, according to the received DCI, a transmission parameter when the UCI is transmitted, where the DCI is a PDCCH corresponding to the PUSCH or a DCI on the EPDCCH;

The sending module 64 is connected to the determining module 62, and is configured to send the UCI on the PUSCH according to the foregoing transmission parameter.

The determining module 62 determines, according to the received DCI, the transmission parameter when the UCI is transmitted according to the received DCI; the sending module 64 sends the UCI on the PUSCH according to the foregoing transmission parameter, that is, the device determines the transmission parameter during the UCI transmission by using the DCI, according to the The transmission parameter is used to transmit the UCI, that is, the transmission parameter when the UCI transmission is dynamically determined by the DCI is implemented, and the transmission condition of the real UCI can be reflected, and the transmission parameter is increased compared to the semi-static determination method in the related art. The accuracy of the related technology can not effectively utilize the downlink resources in the process of uplink control information processing, and can not only reduce the impact on the PUSCH under the premise of ensuring the UCI performance, but also realize the effective use of downlink resources. .

Offset parameter

Wherein said

a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH;

The binding method of the above UCI;

The UCI coding modulation symbol number adjustment factor;

a serving cell in which the PUSCH carrying the UCI is located;

UCI sent simultaneously on the same subframe.

It should be noted that the above

It can be expressed as

and / or

The

It can be expressed as

Above

It may be an offset value in the number of UCI coded modulation symbols calculated in TS36.212, for example, an offset in the following formula for calculating the number of UCI coded modulation symbols:

Where O represents the number of bits of the transmitted UCI;

Represents an initial PUSCH transmission bandwidth, expressed as a number of sub-carriers; C denotes the number of code blocks corresponding to the blocks of the transport block CRC and code division; K _r represents the number of bits per code block corresponding to the transport block; It may also be an offset parameter for calculating the number of coded modulation symbols of the UCI in other scenarios, and is not limited thereto.

The number of aggregated serving cells is greater than N;

The number of configured serving cells is greater than M;

When high-level signaling configuration is enabled.

It should be noted that the foregoing transmission indication field may be 2 bits. In the TDD system, the foregoing transmission indication field may be a DCI format 0/4 downlink allocation indication field DAI. In the FDD system, the foregoing transmission indication field is in DCI format 0/ 4 An extended control domain, that is, a newly added control domain on the DCI, and the newly added control domain is used as the transmission indication domain.

The foregoing device determines the foregoing transmission parameter by using the value of the transmission indication field, and can effectively utilize the DCI, such as the control domain in the DCI format 0/4, thereby better realizing the effective utilization of downlink resources.

In an optional embodiment of the present application, when the foregoing transmission parameter is in the calculation formula of the number of coded modulation symbols of the UCI.

The determining module 62 may further be configured to: according to the value of the transmission indication field and the

a value; wherein the UCI includes at least one of: HARQ-ACK, RI, CQI, or PMI; and the sending module 64 is further configured to, according to the determined

In an optional embodiment of the present application, when the foregoing transmission parameter is a serving cell and/or a downlink subframe index that carries the UCI on the PUSCH, the determining module 62 may further be configured to: according to the value of the transmission indication field. And determining, by the correspondence between the serving cell set and the value of the transmission indication field, a serving cell and/or a downlink subframe index corresponding to the bearer UCI on the PUSCH; wherein the UCI includes a HARQ-ACK; and the sending module 64 is further configured to Obtaining a UCI sequence to be transmitted on the PUSCH according to the determined serving cell and/or a downlink subframe index carrying the UCI on the PUSCH, and transmitting the UCI corresponding to the UCI sequence on the PUSCH.

In an optional embodiment of the present application, when the foregoing transmission parameter is a single carrier frequency division multiple access (SC-FDMA) symbol occupied by the UCI during the PUSCH transmission, the determining module 62 may further be configured to Determining a correspondence between a value of the transmission indication field and the SC-FDMA symbol and a value of the transmission indication field, and determining a number and/or a location of the SC-FDMA symbol occupied by the UCI when transmitting on the PUSCH The UCI includes at least one of the following: HARQ-ACK, RI; the sending module 64 may be further configured to map the UCI coded modulation sequence according to the determined number and/or position of the SC-FDMA symbols. And transmitting to the SC-FDMA symbol of the PUSCH, and transmitting the UCI corresponding to the UCI coded modulation sequence on the PUSCH.

In an optional embodiment of the present application, when the foregoing transmission parameter is a UCI space binding, the determining module 62 may further be configured to: according to the correspondence between the value of the transmission indication field and the UCI binding mode, And determining, by the value of the transmission indication field, a binding manner of the UCI when transmitting on the PUSCH, where the UCI includes a HARQ-ACK, and the sending module 64 may further be configured to obtain the foregoing according to the determined binding manner. The UCI sequence transmitted on the PUSCH transmits the UCI corresponding to the UCI sequence on the PUSCH.

In an optional embodiment of the present application, when the foregoing transmission parameter is the number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe, the determining module 62 may further be configured to be according to the transmission indication domain. And determining, according to the correspondence between the value and the number of bits of the UCI, and the value of the transmission indication field, the number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe; wherein the UCI includes a HARQ-ACK; and the sending module 64 The UCI sequence transmitted on the PUSCH may be obtained according to the determined number of UCI bits corresponding to the downlink serving cell and/or the downlink subframe, and the UCI corresponding to the UCI sequence may be transmitted on the PUSCH.

In an optional embodiment of the present application, when the foregoing transmission parameter is the coded modulation symbol number adjustment factor of the UCI, the determining module 62 may further be configured to: according to the value of the transmission indication field and the UCI Determining a value of the modulation modulation symbol number adjustment factor and a value of the transmission indication field, and determining a value of the coded modulation symbol number adjustment factor of the UCI; wherein the UCI includes a HARQ-ACK, an RI; and the sending module 64 may further set And calculating, according to the determined value of the coded modulation symbol number adjustment factor, a number of coded modulation symbols required for transmitting the DCI on the PUSCH, and obtaining a UCI sequence transmitted on the PUSCH according to the number of the coded modulation symbols. The UCI corresponding to the UCI sequence is transmitted on the PUSCH.

In an optional embodiment of the present application, when the foregoing transmission parameter is a serving cell where the PUSCH carrying the UCI is located, the determining module 62 may further be configured to: according to the value of the transmission indication field and the serving cell And determining, by the corresponding relationship and the value of the transmission indication field, a serving cell where the PUSCH carrying the UCI is located, where the UCI includes at least one of the following: a HARQ-ACK, a CSI, and the sending module 64 may further be configured to: The above UCI is transmitted on the serving cell.

In an optional embodiment of the present application, when the foregoing transmission parameter is the UCI that is simultaneously transmitted, the determining module 62 may further be configured to: according to the correspondence between the value of the foregoing transmission indication field and the simultaneously transmitted UCI Determining the value of the transmission indication field, determining the UCI that is simultaneously transmitted; wherein the UCI includes at least one of the following: HARQ-ACK, SR, CSI; the sending module 64 may further be configured to send the determined simultaneous transmission on the PUSCH. UCI.

The above device can not only improve the performance of UCI transmission, but also reduce the impact on the uplink data transmitted on the PUSCH, and can effectively utilize the control domain in the DCI format 0/4 to realize efficient use of downlink resources.

The embodiment of the present invention further provides a UCI acquiring device. FIG. 7 is a structural block diagram of a UCI acquiring device according to an embodiment of the present invention. The device is located in a base station. As shown in FIG. 7, the device includes: an indicating module 72. And setting, by using the configured DCI, a transmission parameter when the UCI is transmitted; where the DCI is a PDCCH corresponding to the PUSCH or a DCI on the EPDCCH; and the obtaining module 74 is connected to the indication module 72, and is configured to obtain according to the indicated transmission parameter. The above UCI sent by the terminal.

Through the foregoing device, the indication module 72 indicates the transmission parameter when the UCI is transmitted through the configured DCI; the obtaining module 74 acquires the UCI according to the indicated transmission parameter, that is, the device indicates the transmission parameter when the UCI is transmitted through the configured DCI, according to the transmission parameter. The method of obtaining the UCI, that is, the transmission parameter when the UCI transmission is dynamically configured through the DCI, can reflect the actual UCI transmission situation, and is increased compared with the semi-static configuration method in the related art. The accuracy of the transmission parameters further solves the problem that the downlink resources cannot be effectively utilized in the uplink control information processing process in the related art, and the impact on the PUSCH can be reduced not only under the premise of ensuring the UCI performance, but also the downlink resources are realized. use efficiently.

Offset parameter

Wherein said

An offset parameter for calculating the number of coded modulation symbols of the UCI;

a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH;

The binding method of the above UCI;

The UCI coding modulation symbol number adjustment factor;

a serving cell in which the PUSCH carrying the UCI is located;

UCI sent simultaneously on the same subframe.

It should be noted that the above

It can be expressed as

and / or

The

It can be expressed as

It should be noted that the above

It can be expressed as

and / or

The

It can be expressed as

Above

It may be an offset value in the number of UCI coded modulation symbols calculated in TS 36.212, for example, an offset in the following formula for calculating the number of UCI coded modulation symbols:

Where O represents the number of bits of the transmitted UCI;

Representing the number of symbols in addition to the demodulation reference signal DMRS and the measurement reference signal SRS in the initial PUSCH transmission;

In the embodiment of the present invention, when the at least one of the following conditions is met, the DCI may include a transmission indication field: the number of aggregated serving cells is greater than N; the number of configured serving cells is greater than M; and the PDCCH corresponding to the PDSCH Or the DAI in the EPDCCH is used to determine the DAI of the UCI that actually needs to be transmitted; where N, M is a positive integer greater than 0; when the high layer signaling configuration is enabled.

When the DCI includes the transmission indication field, the indication module 72 is further configured to configure the transmission parameter when the UCI transmission is performed by configuring the value of the transmission indication field in the DCI.

It should be noted that the foregoing transmission indication field may be 2 bits. In the TDD system, the foregoing transmission indication field may be a DCI format 0/4 downlink allocation indication field DAI. In the FDD system, the foregoing transmission indication field may be in DCI format0/ 4 Extended control domain, that is, a new control domain is added in the DCI, and the newly added control domain is used as a transmission indication domain.

The foregoing indication module 72 configures the foregoing transmission parameter by using the value of the transmission indication field, that is, the value of the transmission indication field indicates the transmission parameter, and can effectively utilize the DCI, such as the control domain in DCI format 0/4, thereby achieving better implementation. The effective use of downlink resources.

In the embodiment of the present invention, the foregoing transmission parameters are different, and the manner in which the device configures the transmission parameter and the manner in which the UCI is obtained are also different:

The foregoing indication module 72 may be further configured to: according to the value of the pre-configured transmission indication field and the

The value of the UCI includes at least one of the following: HARQ-ACK, RI, CQI, or PMI; the obtaining module 74 may be further configured to

In an embodiment of the present application, when the foregoing transmission parameter is a serving cell and/or a downlink subframe index that carries the UCI on the PUSCH, the indication module 72 may be configured to set the value according to the pre-configured transmission indication field. Corresponding relationship of the serving cell set, indicating, by the value of the configured transmission indication field, a serving cell and/or a downlink subframe index carrying UCI on the PUSCH corresponding to the value of the transmission indication field; wherein the UCI includes HARQ The ACK module may be further configured to obtain, according to the indicated serving cell and/or the downlink subframe index carrying the UCI on the PUSCH, the UCI sequence sent on the PUSCH.

In an embodiment of the present application, when the foregoing transmission parameter is a single carrier frequency division multiple access (SC-FDMA) symbol occupied by the UCI during the PUSCH transmission, the indication module 72 may be further configured according to a pre-configuration. Corresponding relationship between the value of the transmission indication field and the SC-FDMA symbol, indicating the number of the SC-FDMA symbols corresponding to the value of the transmission indication field and/or by the value of the configured transmission indication field Or the location; wherein the UCI includes at least one of the following: HARQ-ACK, RI; the obtaining module 74 may further be configured to: according to the indicated number and/or location of the SC-FDMA symbols, when deinterleaving, The UCI coded modulation sequence is obtained on the SC-FDMA symbol; the above UCI is obtained.

In an embodiment of the present application, when the foregoing transmission parameter is the UCI binding mode, the indication module 72 may be further configured to: according to the pre-configured correspondence between the value of the transmission indication field and the UCI binding mode. The binding mode of the UCI corresponding to the value of the transmission indication field is transmitted on the PUSCH by using a value of the configured transmission indication field, where the UCI includes a HARQ-ACK; It may also be configured to obtain a UCI sequence transmitted on the PUSCH according to the indicated binding manner.

In an embodiment of the present application, when the foregoing transmission parameter is the number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe, the indication module 72 may be further configured to be configured according to the pre-configured transmission indication domain. Correspondence between the value of the UCI and the number of bits of the UCI, through the configuration The value of the indication field is used to indicate the number of bits of the UCI corresponding to the value of the transmission indication field; wherein the UCI includes a HARQ-ACK; the obtaining module 74 may further be configured to: according to the indicated downlink serving cell and / or the number of UCI bits corresponding to the downlink subframe, to obtain the UCI sequence transmitted on the PUSCH.

In the embodiment of the present invention, when the foregoing transmission parameter is the coded modulation symbol number adjustment factor of the UCI, the indication module 72 may be further configured to: according to the pre-configured value of the transmission indication field and the coding of the UCI Corresponding relationship of the modulation symbol number adjustment factor, indicating, by the value of the configured transmission indication field, a value of the coded modulation symbol number adjustment factor of the UCI corresponding to the value of the transmission indication field; wherein the UCI includes HARQ - ACK, RI; the obtaining module 74 may be further configured to calculate, according to the indicated value of the coded modulation symbol number adjustment factor, the number of coded modulation symbols required for the DCI to be transmitted on the PUSCH, in the corresponding modulation and coding symbol Obtaining a coding adjustment sequence corresponding to the UCI, and demodulating and decoding the coding adjustment sequence to obtain the UCI.

In the embodiment of the present invention, when the foregoing transmission parameter is the serving cell where the PUSCH carrying the UCI is located, the indication module 72 may be further configured to: according to the preset value of the transmission indication field and the corresponding to the serving cell a relationship, the serving cell corresponding to the value of the transmission indication field is indicated by the value of the configured transmission indication field, where the UCI includes at least one of the following: a HARQ-ACK, a CSI, and the obtaining module 74 may further be configured to: The UCI is obtained according to the indicated serving cell in which the PUSCH carrying the UCI is located.

In the embodiment of the present invention, when the foregoing transmission parameter is the UCI that is simultaneously transmitted, the indication module 72 may be further configured to: according to the pre-configured correspondence between the value of the transmission indication field and the simultaneously transmitted UCI, The value of the configured transmission indication field is used to indicate the simultaneously transmitted UCI corresponding to the value of the transmission indication field, where the UCI includes at least one of the following: HARQ-ACK, SR, CSI; It is set to obtain the above UCI according to the UCI transmitted at the same time.

The above device can not only improve the performance of UCI transmission, but also reduce the impact of transmission on the PUSCH on the uplink data, and can effectively utilize the control domain in the DCI format 0/4 to realize efficient use of downlink resources.

It should be noted that each of the foregoing modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.

For a better understanding of the present application, the present application is further explained in conjunction with the optional embodiments.

Embodiment 1

It is assumed that the base station configures 16 TDD serving cells with the uplink and downlink configuration as configuration 2, wherein the serving cell #0 is the primary serving cell, and according to the timing relationship of the TDD configuration 2, the subframe 9 of the previous radio frame and the current radio frame. The HARQ-ACK of

subframes

0, 1, and 3 will be fed back on the current subframe 7 of the serving cell #0, the subframe 9 of the previous radio frame and the

subframes

0, 1, 3, and 16 of the current radio frame. The cell is composed of a time-frequency two-dimensional binding window. FIG. 8 is a schematic diagram 1 of a scheduled downlink subframe configured by a base station according to an alternative embodiment of the present application. As shown in FIG. 8, the serving cell #0 is on the subframe 7. There is uplink data transmission, and it is assumed that the PUSCH carrying the uplink data is a single codeword stream/transport block and has a corresponding DCI.

For base station configuration:

As shown in FIG. 8, the base station configures the downlink control information DCI corresponding to the PUSCH on the subframe 7, wherein the value of the DAI field of the DCI is 00, corresponding to

The value of A1, Table 1 is DAI and

Correspondence table, as shown in Table 1, where A1, A2, A3, and A4 are positive integers greater than 0, and specific values of A1, A2, A3, and A4 are configured by higher layer signaling, but other methods are not excluded.

Table 1

For the terminal to send:

The terminal reception situation is shown in Figure 8. The terminal obtains a HARQ-ACK sequence {HARQ-ACK(0), HARQ-ACK(1), ..., HARQ-ACK(22)} according to the received PDSCH and the enhanced DL DAI, and the terminal calculates the HARQ according to the following formula. - ACK transmits the number of coded modulation symbols required on the PUSCH,

Where O is the length of the HARQ-ACK sequence, which is 23,

The value is obtained according to the DAI field in the DCI corresponding to the PUSCH, because the DAI field is 00, so

The terminal transmits the HARQ-ACK to be transmitted according to the number of the coded modulation symbols, and the terminal sends the encoded HARQ-ACK on the PUSCH, where the sending process belongs to the related art, and details are not described herein;

For base station reception:

The base station receives the PUSCH, and the base station according to

Calculating the number of coded modulation symbols required for HARQ-ACK transmission on the PUSCH, and the base station obtains a coding adjustment sequence corresponding to the HARQ-ACK on the corresponding symbol, and the base station demodulates the coded modulation sequence according to the corresponding modulation mode, according to the corresponding coding. The method is decoded to obtain the HARQ-ACK, and the obtaining process of the base station belongs to the related art, and details are not described herein again.

The method described in the first embodiment can ensure the impact on the data under the premise of ensuring the performance of the HARQ-ACK. At the same time, the control domain in the DCI format0/4 can be effectively utilized to realize the effective utilization of the downlink resources.

Embodiment 2

Suppose the base station configures 16 TDD serving cells with the uplink and downlink configuration as configuration 2 for the terminal. The serving cell #0 is the primary serving cell. According to the timing relationship of the TDD configuration 2, the HARQ-ACK of the subframe 9 of the previous radio frame and the

subframes

0, 1, and 3 of the current radio frame will be currently in the serving cell #0. The sub-frame 7 performs feedback, and the subframe 9 of the previous radio frame and the

sub-frames

0, 1, 3, and 16 serving cells of the current radio frame form a time-frequency two-dimensional binding window, as shown in FIG. It is assumed that multiple PUSCHs are supported for simultaneous transmission, that is, uplink data transmission is performed on the subframe 7 corresponding to the serving cell #0 and the serving cell #6, and it is assumed that the PUSCH carrying the uplink data is a single codeword stream/transport block and has a corresponding DCI.

For base station configuration:

As shown in FIG. 8, the base station configures the downlink control information DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell #0 and the downlink control information DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell #6, where the serving cell# 0: The value of the DAI field of the DCI corresponding to the PUSCH on the uplink subframe 7 is 00, and the corresponding serving cell set is 1, wherein the value of the DAI field of the DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell #6 is 11, corresponding to The set of serving cells is 4; Table 2 is a correspondence table between DAI and serving cell set, as shown in Table 2, where {Serving Cell Set 1, Serving Cell Set 2, Serving Cell Set 3, Serving Cell Set 4} is high layer signaling. Optionally, the serving cell set j is a length of 32 bit sequences. When the sequence is 1, the HARQ-ACK corresponding to the serving cell needs to be sent, and other modes are not excluded.

Table 2

DAIDAI	服务小区集Service cell set
0000	服务小区集1Service cell set 1
0101	服务小区集2Service cell set 2
1010	服务小区集3 Service Community Set 3
1111	服务小区集4 Service Community Set 4

For the terminal to send:

The terminal reception situation is shown in Figure 8. The terminal obtains the HARQ-ACK to be transmitted according to the received PDSCH and the enhanced DL DAI, and the value of the DAI field of the DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell 0 is 00, that is, the corresponding serving cell set is 1, The HARQ-ACK sequence A to be transmitted on the uplink subframe 7 of the serving cell 0 is obtained according to the set of the serving cell group 1; the value of the DAI field of the DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell 6 is 11, that is, the corresponding service The service cell set is 4 to obtain the HARQ-ACK sequence B to be transmitted on the uplink subframe 7 of the serving cell 0, and the terminal sends the HARQ-ACK in the uplink subframe. The transmission process belongs to the related art, and details are not described herein.

For base station reception:

The base station receives the PUSCH, and the base station obtains the HARQ-ACK sequence carried on the serving cell 0 uplink subframe 7 and the serving cell 6 uplink subframe 7 according to the related technology, according to the serving cell 0 uplink subframe 7 PUSCH and the serving cell 6 uplink subframe 7 The DAI domain corresponding to the upper PUSCH obtains a HARQ-ACK corresponding to each serving cell;

Through the method shown in the second embodiment, the control domain in the DCI format0/4 is effectively utilized to implement effective utilization of downlink resources.

Embodiment 3

subframes

0, 1, 3, and 16 of the current radio frame. The cell forms a time-frequency two-dimensional binding window. As shown in FIG. 8, the subframe 7 corresponding to the serving cell #0 has uplink data transmission, and it is assumed that the PUSCH carrying the uplink data is a single-codeword stream/transport block and has Corresponding DCI.

For the base station configuration: the base station scheduling is as shown in FIG. 8 , the value of the DAI field of the downlink control information DCI corresponding to the PUSCH on the base station configuration serving cell #0 subframe 7 is 00, and the corresponding SC-FDMA symbol is {0, 2, 3, 5, 8, 9}, where the symbol index starts from 0, and the relationship between the DAI and SC-FDMA symbols is as shown in Table 3; only one example is given in Table 3, but other methods are not excluded.

table 3

DAIDAI	SC-FDMA索引SC-FDMA index
0000	0,2,3,5,8,90,2,3,5,8,9
0101	2,3,6,8,9,112,3,6,8,9,11
1010	0,2,3,5,6,8,9,110,2,3,5,6,8,9,11
1111	0,1,2,3,4,5,6,7,8,9,10,110,1,2,3,4,5,6,7,8,9,10,11

For the terminal to send:

The terminal reception situation is shown in Figure 8. The terminal designs the HARQ-ACK sequence to be transmitted according to the received PDSCH and the enhanced DL DAI:

HARQ-ACK (0), HARQ-ACK (1), ..., HARQ-ACK (22), the terminal obtains HARQ based on the value of the DAI field of the DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell #0. The symbol mapped to the PUSCH when the ACK sequence is transmitted is {0, 2, 3, 5, 8, 9}, and the terminal encodes the HARQ-ACK information and then transmits the HARQ-ACK in the uplink subframe 7 of the serving cell 0, where the transmission process belongs to the correlation. Technology, no longer repeat here;

For base station reception:

The base station receives the PUSCH, and the base station obtains the HARQ-ACK sequence sent by the terminal on the serving cell 0 subframe 7 according to the related art, where the symbol of the HARQ-ACK mapping on the PUSCH is {0, 2, 3, 5, 8, 9}. on.

The method of the embodiment of the present invention dynamically indicates the number of symbols used in the HARQ-ACK transmission, and reduces the impact on the PUSCH under the premise of ensuring the performance of the HARQ-ACK. In addition, the control in the DCI format 0/4 is effectively utilized. Domain to achieve effective use of downlink resources.

Embodiment 4

subframes

For base station configuration:

The situation of the base station scheduling is as shown in FIG. 8. The value of the DAI field of the downlink control information DCI corresponding to the PUSCH on the subframe 7 of the serving cell #0 subframe 7 is 0X, corresponding to the space binding, the value of the DAI and the binding mode. The relationship is shown in Table 4; only one example is given in Table 4, but other methods are not excluded.

Table 4

DAIDAI	绑定方式Binding method
0X0X	空间绑定Spatial binding
1X1X	不进行空间绑定No space binding

For the terminal to send:

The terminal reception situation is shown in Figure 8. The terminal obtains the HARQ-ACK sequence to be transmitted according to the received PDSCH and the enhanced DL DAI design and the spatial binding manner, and the terminal sends the HARQ-ACK on the PUSCH, where the sending process belongs to the related art, and details are not described herein.

For base station reception:

The base station receives the PUSCH, and the base station obtains the HARQ-ACK sequence sent by the terminal on the serving cell 0 subframe 7 according to the related art, where the HARQ-ACK is the spatially bound HARQ-ACK; Effectively utilize the control domain in DCI format0/4 to achieve efficient use of downlink resources.

Embodiment 5

It is assumed that the base station configures 16 FDD serving cells for the terminal, wherein the serving cell #0 is the primary serving cell, and the 16 serving cells form a frequency one-dimensional binding window, and the subframe 4 corresponding to the serving cell #0 has an uplink. Data transmission, assuming that the PUSCH carrying the uplink data is a single codeword stream/transport block and has a corresponding DCI, wherein there are downlink serving cells {serving cell 0, serving cell 2, serving cell 3, serving cell 4, serving cell 6, serving The cell 7, the serving cell 8, the serving cell 10, and the serving cell 12} are configured with a dual codeword stream. FIG. 9 is a schematic diagram 2 of the scheduled downlink subframe configured by the base station according to an alternative embodiment of the present application, as shown in FIG. .

For base station configuration:

As shown in FIG. 9 , the base station configures the downlink control information DCI corresponding to the PUSCH on the subframe 4 of the serving cell #0 subframe 4 to have a value of 0X, where the indication domain is a new control domain, corresponding to the downlink serving cell and The HARQ-ACK feedback corresponding to the downlink subframe is 1 bit, and the relationship between the value of the DAI and the number of HARQ-ACK bits corresponding to the downlink serving cell and the downlink subframe is shown in Table 5; only one example is given in Table 5, but Other methods are not excluded.

table 5

DAIDAI	HARQ-ACK比特数HARQ-ACK bit number

0X0X	1比特1 bit

1X1X	2比特2 bits

For the terminal to send:

The terminal reception situation is shown in Figure 9. The terminal obtains the HARQ-ACK sequence HARQ-ACK(0), HARQ-ACK(1), .. which need to be transmitted according to the received PDSCH and the enhanced DL DAI design and the number of HARQ-ACK bits corresponding to the serving cell and the downlink subframe. HARQ-ACK (6), the terminal sends a HARQ-ACK on the PUSCH, where the sending process belongs to the related art, and details are not described herein;

If the number of HARQ-ACK bits corresponding to the serving cell and the downlink subframe is 1 bit and the serving cell c corresponds to 2 codeword streams, the serving cell c is spatially bound to obtain a 1-bit HARQ-ACK corresponding to the serving cell. If the number of HARQ-ACK bits corresponding to the serving cell and the downlink subframe is 2 and the serving cell c corresponds to 1 codeword stream, the 2-bit HARQ-ACK corresponding to the serving cell c is the HARQ-ACK corresponding to the {codeword stream. , NACK},

For base station reception:

The base station receives the PUSCH, and the base station obtains the HARQ-ACK sequence sent by the terminal in the uplink subframe 7 of the serving cell 0 according to the related art, and dynamically indicates the number of HARQ-ACK bits corresponding to the serving cell and/or the subframe by using the method in the embodiment of the present invention. In addition, the impact on the PUSCH is reduced on the premise of ensuring the performance of the HARQ-ACK. In addition, the control domain in the DCI format 0/4 is effectively utilized to realize effective use of downlink resources.

Embodiment 6

subframes

0, 1, 3, and 16 of the current radio frame. The cell forms a time-frequency two-dimensional binding window. As shown in FIG. 8, the serving cell #0 subframe 7 has uplink data transmission, and it is assumed that the PUSCH carrying the uplink data is a single code word stream/transport block and has corresponding DCI.

For base station configuration:

As shown in FIG. 8, the base station configures the downlink control information DCI corresponding to the PUSCH on the subframe 7, wherein the value of the DAI field of the DCI is 00, and the value of the corresponding adjustment factor α is 1, as shown in Table 6, 6 gives an example, the value of α can also be other combinations, such as {1, 0.8, 0.6, 0.4}.

Table 6

DAI域DAI domain	αα
0000	11
0101	0.90.9
1010	0.80.8
1111	0.70.7

For the terminal to send:

Wherein, O is the length of the HARQ-ACK sequence, that is, 23, and the value of α is obtained according to the DAI field in the DCI corresponding to the PUSCH. Since the DAI field is 00, α=1; the terminal needs to transmit according to the number of coded modulation symbols. The HARQ-ACK is encoded, and the terminal sends the encoded HARQ-ACK on the PUSCH, where the sending process belongs to the related art, and details are not described herein;

For base station reception:

The base station receives the PUSCH, and the base station calculates the number of coded modulation symbols required for the HARQ-ACK to be transmitted on the PUSCH according to α=1, and the base station obtains the code adjustment sequence corresponding to the HARQ-ACK on the corresponding symbol, and the base station pairs the coded modulation sequence according to the corresponding The modulation mode is demodulated and decoded according to the corresponding coding manner, so that the HARQ-ACK is obtained, and the obtaining process of the base station belongs to related technologies, and details are not described herein again;

The method of the embodiment of the invention can ensure the minimum impact on the data under the premise of the performance of the HARQ-ACK, and the control domain in the DCI format0/4 can be effectively utilized by the method. Effective use of resources.

Example 7

subframes

0, 1, 3, and 16 of the current radio frame. The cell forms a time-frequency two-dimensional binding window. As shown in FIG. 8, it is assumed that multiple PUSCHs are supported for simultaneous transmission, and the subframe corresponding to the serving cell 0, the serving cell 1, the serving cell 2, the serving cell 6, and the serving cell 11 There is uplink data transmission on the seventh, and it is assumed that the PUSCH carrying the uplink data is a single codeword stream/transport block and has a corresponding DCI.

For base station configuration:

As shown in FIG. 8 , the base station configures the DCI 1 corresponding to the PUSCH on the uplink subframe 7 of the serving cell 0, the DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell 1 2, and the PUSCH corresponding to the uplink subframe 7 of the serving cell 2 DCI 3, DCI 4 corresponding to the PUSCH on the uplink subframe 7 of the serving cell 6 and DCI 5 corresponding to the PUSCH on the uplink subframe 7 of the serving cell 11, wherein the DAI domain in DCI 1, DCI 2, DCI 3, DCI 4 and DCI 5 The value of the value is 00, and the serving cell where the PUSCH carrying the HARQ-ACK is located is the one serving cell with the smallest carrier index; the relationship between the value of the DAI and the serving cell index is as shown in Table 7;

When the serving cell in which the PUSCH carrying the HARQ-ACK is configured is two {serving cell A, serving cell B}, the downlink serving cell that needs to send the HARQ-ACK is divided into two groups: the downlink serving cell group 1, and the downlink. The serving cell group 2} transmits the HARQ-ACK corresponding to the downlink serving cell group 1 to the PUSCH corresponding to the serving cell A, and transmits the HARQ-ACK corresponding to the downlink serving cell group 2 to the PUSCH corresponding to the serving cell B; or The HARQ-ACK corresponding to the serving cell group 1 is transmitted on the PUSCH corresponding to the serving cell B, and the HARQ-ACK corresponding to the downlink serving cell group 2 is transmitted on the PUSCH corresponding to the serving cell A; the base station and the terminal agree on the downlink serving cell group and the PUSCH. The corresponding relationship of the serving cell. When the downlink serving cell is grouped, according to the DAI packet in the DCI corresponding to the PDSCH, for example, the value of the DAI is an even number, the value of the DAI is an odd number, or the value of the DAI is less than K. The value of DAI is greater than or equal to K; a table 7 gives an example, and other methods are not excluded.

Table 7

DAIDAI	载波索引Carrier index
0000	载波索引最小的1个服务小区1 serving cell with the smallest carrier index
0101	载波索引最大的1个服务小区1 serving cell with the largest carrier index
1010	载波索引最小和最大的2个服务小区Minimum and maximum 2 carrier cells with carrier index
1111	高层配置的载波High-level carrier

For the terminal to send:

The terminal reception situation is shown in Figure 8. The terminal obtains the HARQ-ACK to be transmitted according to the received PDSCH and the enhanced DL DAI. The value of the DAI field in the DCI 1, DCI 2, DCI 3, DCI 4, and DCI 5 is 00, that is, the corresponding carrier index is the smallest. The first serving cell, the terminal sends the HARQ-ACK in the uplink subframe 7 of the serving cell 0, wherein the sending process belongs to the related art, and details are not described herein;

For base station reception:

The base station receives the PUSCH, and the base station obtains the HARQ-ACK sequence carried by the PUSCH on the uplink subframe 7 of the serving cell 0 according to the related technology;

With the method of the seventh embodiment, the HARQ-ACK flexibly selects the transmitted PUSCH to ensure the performance of the HARQ-ACK, and effectively utilizes the control domain in the DCI format 0/4 to implement effective utilization of downlink resources.

Example eight

subframes

0, 1, 3, and 16 of the current radio frame. The cell constitutes a time-frequency two-dimensional binding window. As shown in FIG. 8, the uplink data transmission is performed on the subframe 7 corresponding to the serving cell 0, and it is assumed that the PUSCH carrying the uplink data is a single codeword stream/transport block and has a corresponding DCI. Suppose that there are RI, CQI/PMI on the subframe 7, and the SR needs to be sent.

For base station configuration:

As shown in FIG. 8 , the base station configures the value of the DAI field in the DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell 0 to be 00, and then the transmitted UCI has only HARQ-ACK, and the relationship between the UCI and the DAI is simultaneously transmitted. Table 8 shows that Table 8 is only an example and does not exclude other ways.

Table 8

DAIDAI	同时发送Send simultaneously
0000	只支持HARQ-ACKOnly supports HARQ-ACK
0101	HARQ-ACK、RIHARQ-ACK, RI
1010	HARQ-ACK、CSIHARQ-ACK, CSI
1111	CSI、SRCSI, SR

For the terminal to send:

The terminal reception situation is shown in Figure 8. The terminal obtains the HARQ-ACK to be transmitted according to the received PDSCH and the enhanced DL DAI, and the terminal sends the HARQ-ACK on the upper subframe 7. The sending process belongs to the related art, and details are not described herein again.

Example nine

subframes

0, 1, 3, and 16 of the current radio frame. The cell constitutes a time-frequency two-dimensional binding window. As shown in FIG. 8, the uplink data transmission is performed on the subframe 7 corresponding to the serving cell 0, and it is assumed that the PUSCH carrying the uplink data is a single codeword stream/transport block and has a corresponding DCI.

For base station configuration:

As shown in FIG. 8 , the base station configures the value of the DAI field in the DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell 0 to be 00, and then the HARQ-ACK to be transmitted needs to be spatially bound and the HARQ-ACK is calculated. Corresponding code modulation symbol number

DAI domain and HARQ-ACK binding method and

The relationship between the values is shown in Table 9 and Table 10, where each bit in the DAI corresponds to one transmission parameter, that is, two transmission parameters are indicated by DAI in an independent coding manner; Table 9 and Table 10 are only given. As an example, other methods are not excluded, such as Table 9 and Table 10, in which 2 transmission parameters are indicated by DAI in a joint coding manner.

Table 9

Table 10

For the terminal to send:

The terminal reception situation is shown in Figure 8. The terminal obtains the HARQ-ACK to be transmitted according to the received PDSCH and the enhanced DL DAI design and the HARQ-ACK binding manner, and the terminal according to the terminal

The number of the coded modulation symbols required for the HARQ-ACK transmission is calculated, and the terminal transmits the HARQ-ACK on the upper subframe 7, where the transmission process belongs to the related art, and details are not described herein again;

For base station reception:

The base station receives the PUSCH, and the base station according to

Calculating the number of coded modulation symbols required for HARQ-ACK transmission on the PUSCH, and the base station obtains a coding adjustment sequence corresponding to the HARQ-ACK on the corresponding symbol, and the base station demodulates the coded modulation sequence according to the corresponding modulation mode, according to the corresponding coding. The method is decoded to obtain the HARQ-ACK, where the HARQ-ACK is a spatially bound HARQ-ACK, and the obtaining process belongs to the related art, and details are not described herein again.

Example ten

subframes

For base station configuration:

As shown in FIG. 8 , the base station configures the value of the DAI field in the DCI corresponding to the PUSCH on the uplink subframe 7 of the serving cell 0 to be 00, and then the HARQ-ACK to be transmitted needs to be spatially bound and the HARQ-ACK is calculated. When the number of corresponding coding modulation symbols is α=1, the DAI domain and the HARQ-ACK binding mode and

The relationship of the values is shown in Table 11; Table 11 is only an example, and other methods are not excluded, such as Table 11.

Table 11

DAIDAI	HARQ-ACK绑定方式/α取值HARQ-ACK binding mode/α value
0000	空间绑定/1Space binding /1
0101	空间绑定/1Space binding /1
1010	不绑定/0.9Not bound /0.9
1111	不绑定/0.9Not bound /0.9

For the terminal to send:

The terminal reception situation is shown in Figure 8. The terminal obtains the HARQ-ACK to be transmitted according to the received PDSCH and the enhanced DL DAI design and the HARQ-ACK binding manner, and the terminal calculates the number of the required modulation modulation symbols for the HARQ-ACK transmission according to α=1, and the terminal is in the upper subframe. The HARQ-ACK is sent on the seventh, where the sending process belongs to the related art, and details are not described herein;

For base station reception:

The base station receives the PUSCH, and the base station calculates the number of coded modulation symbols required for the HARQ-ACK to be transmitted on the PUSCH according to α=1, and the base station obtains the code adjustment sequence corresponding to the HARQ-ACK on the corresponding symbol, and the base station pairs the coded modulation sequence according to the corresponding Modulation mode demodulation, according to the corresponding coding The method is decoded to obtain the HARQ-ACK, where the HARQ-ACK is a spatially bound HARQ-ACK, and the obtaining process belongs to the related art, and details are not described herein again.

The embodiment of the invention further provides a computer readable storage medium. Optionally, in this embodiment, the computer readable storage medium may be configured to store program code for performing the following steps: Step S1, determining a transmission parameter when UCI transmission is performed according to the received DCI; wherein the DCI is The PDCCH on the PUSCH or the DCI on the EPDCCH; in step S2, the UCI is transmitted on the PUSCH according to the transmission parameter.

Optionally, in this embodiment, the computer readable storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), and a mobile device. A variety of media that can store program code, such as hard disks, disks, or optical disks. For example, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

Those skilled in the art will appreciate that the above-described modules or steps of the present application can be implemented by a general-purpose computing device, which can be centralized on a single computing device or distributed over a network of multiple computing devices. They may be implemented by program code executable by the computing device such that they may be stored in the storage device for execution by the computing device and, in some cases, may be performed in a different order than that illustrated herein. Or the steps described, either separately as a single integrated circuit module, or as a single integrated circuit module. Thus, the application is not limited to any particular combination of hardware and software.

The above description is only the preferred embodiment of the present application, and is not intended to limit the present application, and various changes and modifications may be made to the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application are intended to be included within the scope of the present application.

Industrial applicability

The embodiment of the present invention provides a method and a device for sending and acquiring uplink control information, which solves the problem that the impact of invalid information reporting on data in the process of processing uplink control information in the related art can not only ensure the performance of the UCI. The impact on the PUSCH is reduced, and the effective utilization of downlink resources is realized.

Claims

A method for transmitting uplink control information UCI, which is applied to a terminal, includes:

Determining, according to the received downlink control information DCI, a transmission parameter when the uplink control information UCI is transmitted, where the DCI is a physical downlink control channel PDCCH corresponding to the physical uplink shared channel PUSCH or a DCI on the enhanced physical downlink control channel EPDCCH;

Transmitting the UCI on the PUSCH according to the transmission parameter.
The method of claim 1 wherein said transmission parameters comprise at least one of:

Offset parameter
Wherein said
An offset parameter for calculating a number of coded modulation symbols when the UCI is transmitted on the PUSCH;

a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH;

a single carrier frequency division multiple access SC-FDMA symbol occupied by the UCI during the PUSCH transmission;

The binding mode of the UCI;

The number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe;

The UCI coding modulation symbol number adjustment factor;

a serving cell in which the PUSCH carrying the UCI is located;

UCI sent simultaneously on the same subframe.
The method according to claim 2, wherein the determining, according to the received downlink control information DCI, the transmission parameter when the uplink control information UCI is transmitted comprises: determining, according to the value of the transmission indication field in the DCI, the UCI transmission Transfer parameters.
The method of claim 3, wherein the transmission indication field is included in the DCI when at least one of the following conditions is met:

The number of aggregated serving cells is greater than N, where N is a positive integer greater than 0;

The number of configured serving cells is greater than M, where M is a positive integer greater than 0;

When the PDCCH corresponding to the physical downlink shared channel PDSCH or the downlink allocation indication field DAI in the EPDCCH is a DAI for determining an actually transmitted HARQ-ACK;

When high-level signaling configuration is enabled.
The method of claim 3, wherein when said transmission parameter is said
Time,

Determining, according to the value of the transmission indication field in the DCI, the transmission parameter when the UCI transmission includes: according to the value of the transmission indication field and the
Correspondence relationship and the value of the transmission indication field are determined
a value; wherein the UCI includes at least one of: a hybrid automatic repeat request response HARQ-ACK, a rank indication RI, a channel quality indication CQI, or a precoding matrix indication PMI;

Transmitting the UCI on the PUSCH according to the transmission parameter includes: according to the determined
The value calculates the number of coded modulation symbols required for UCI to transmit on the PUSCH; the encoded UCI is transmitted on the PUSCH.
The method according to claim 3, wherein when the transmission parameter is a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH,

Determining, according to the value of the transmission indication field in the DCI, the transmission parameter when the UCI transmission includes: a correspondence between a value of the transmission indication field and a serving cell set and/or a downlink subframe, and the transmission indication domain And determining, according to the value, the serving cell and/or the downlink subframe index corresponding to the bearer UCI on the PUSCH, where the UCI includes a hybrid automatic repeat request response HARQ-ACK;

The transmitting the UCI on the PUSCH according to the transmission parameter includes: acquiring a UCI to be sent on the PUSCH according to the determined serving cell and/or a downlink subframe index carrying the UCI on the PUSCH, where the PUSCH is sent on the PUSCH Send the UCI.
The method according to claim 3, wherein when said transmission parameter is a single carrier frequency division multiple access SC-FDMA symbol occupied by said UCI during said PUSCH transmission,

Determining, according to the value of the transmission indication field in the DCI, the transmission parameter when the UCI transmission includes: according to a correspondence between a value of the transmission indication field and the SC-FDMA symbol, and a value of the transmission indication field, Determining the number and/or location of the SC-FDMA symbols occupied by the UCI when transmitting on the PUSCH; wherein the UCI includes at least one of the following: a hybrid automatic repeat request response HARQ-ACK, a rank Indication RI;

The transmitting the UCI on the PUSCH according to the transmission parameter comprises: mapping the UCI to the SC-FDMA symbol of the PUSCH according to the determined number and/or location of the SC-FDMA symbols Transmitting the UCI on the PUSCH.
The method according to claim 3, wherein when said transmission parameter is a binding mode of said UCI,

Determining, according to the value of the transmission indication field in the DCI, the transmission parameter when the UCI transmission includes: a correspondence between a value of the transmission indication field and a binding manner of the UCI, and a value of the transmission indication field Determining a binding manner when the UCI is transmitted on the PUSCH; wherein the UCI includes a hybrid automatic repeat request response HARQ-ACK;

The transmitting the UCI on the PUSCH according to the transmission parameter includes: obtaining, according to the determined binding manner, the UCI transmitted on the PUSCH, and transmitting the UCI on the PUSCH.
The method according to claim 3, wherein when the transmission parameter is the number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe,

Determining, according to the value of the transmission indication field in the DCI, the transmission parameter when the UCI transmission includes: a correspondence between a value of the transmission indication field and a number of bits of the UCI, and a value of the transmission indication field, Determining a number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe, where the UCI includes a hybrid automatic repeat request response HARQ-ACK;

The transmitting the UCI on the PUSCH according to the transmission parameter includes: obtaining, according to the determined number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe, the UCI transmitted on the PUSCH, where Transmitting the UCI on the PUSCH.
The method according to claim 3, wherein when said transmission parameter is a coded modulation symbol number adjustment factor of said UCI,

Determining, according to the value of the transmission indication field in the DCI, the transmission parameter when the UCI transmission includes: a correspondence between the value of the transmission indication field and a coded modulation symbol number adjustment factor of the UCI, and the transmission Determining a value of the domain, determining a value of the coded modulation symbol number adjustment factor of the UCI; wherein the UCI includes a hybrid automatic repeat request response HARQ-ACK, a rank indication RI;

The transmitting the UCI on the PUSCH according to the transmission parameter includes: calculating, according to the determined value of the coded modulation symbol number adjustment factor, a number of coded modulation symbols required for transmission of the DCI on the PUSCH, where The UCI is transmitted on the PUSCH.
The method of claim 3, wherein when said transmission parameter is to carry said UCI When the PUSCH is in the serving cell,

Determining, according to the value of the transmission indication field in the DCI, the transmission parameter when the UCI transmission includes: determining a bearer according to a correspondence between a value of the transmission indication field and the serving cell and a value of the transmission indication domain a serving cell in which the PUSCH of the UCI is located, where the UCI includes at least one of the following: a hybrid automatic repeat request response HARQ-ACK, channel state information CSI;

The transmitting the UCI on the PUSCH according to the transmission parameter comprises: transmitting the UCI on the determined serving cell.
The method according to claim 3, wherein when said transmission parameter is UCI transmitted simultaneously on the same subframe,

Determining, according to the value of the transmission indication field in the DCI, the transmission parameter when the UCI transmission includes: according to a correspondence between a value of the transmission indication field and the simultaneously transmitted UCI and a value of the transmission indication field, Determining a UCI that is simultaneously transmitted; wherein the UCI includes at least one of the following: a hybrid automatic repeat request response HARQ-ACK, a scheduling request SR, and channel state information CSI;

The transmitting the UCI on the PUSCH according to the transmission parameter includes: transmitting the determined simultaneously transmitted UCI on the PUSCH.
The method according to any one of claims 1 to 12, wherein, in the time division duplex TDD mode, the transmission indication field is a downlink allocation indication field DAI; and in the frequency division duplex FDD mode, the transmission indication The domain is a control domain of DCI extension on the PDCCH or the EPDCCH corresponding to the PUSCH.
A method for acquiring uplink control information UCI, which is applied to a base station, includes:

The downlink control information DCI is used to indicate the transmission parameter when the uplink control information UCI is transmitted; wherein the DCI is the physical downlink control channel PDCCH corresponding to the physical uplink shared channel PUSCH or the DCI on the enhanced physical downlink control channel EPDCCH;

Acquiring the UCI sent by the terminal according to the indicated transmission parameter.
The method of claim 14, wherein the transmission parameter comprises at least one of:

Offset parameter
Wherein said
An offset parameter for calculating a number of coded modulation symbols when the UCI is transmitted on the PUSCH;

a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH;

a single carrier frequency division multiple access SC-FDMA symbol occupied by the UCI during the PUSCH transmission;

The UCI binding mode;

The number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe;

The UCI coding modulation symbol number adjustment factor;

a serving cell in which the PUSCH carrying the UCI is located;

UCI sent simultaneously on the same subframe.
The method according to claim 15, wherein the determining, by the configured downlink control information DCI, the transmission parameter when the uplink control information UCI is transmitted comprises: indicating, by the configured value of the transmission indication field in the DCI, the UCI transmission Time transfer parameters.
The method of claim 16, wherein the transmission indication field is included in the DCI when at least one of the following conditions is met:

The number of aggregated serving cells is greater than N, where N is a positive integer greater than 0;

The number of configured serving cells is greater than M, where M is a positive integer greater than 0;

The DAI corresponding to the physical downlink shared channel PDSCH or the DAI in the EPDCCH is a DAI for determining an actually transmitted HARQ-ACK;

When high-level signaling configuration is enabled.
The method according to any one of claims 14 to 17, wherein in the time division duplex TDD mode, the transmission indication field is a downlink allocation indication domain DAI; in a frequency division duplex FDD mode, the transmission indication The domain is a control domain of DCI extension on the PDCCH or the EPDCCH corresponding to the PUSCH.
A transmitting device for the uplink control information UCI, located in the terminal, includes:

a determining module, configured to determine, according to the received downlink control information DCI, a transmission parameter when the uplink control information UCI is transmitted; where the DCI is a physical downlink control channel PDCCH corresponding to the physical uplink shared channel PUSCH or an enhanced physical downlink control channel EPDCCH DCI;

And a sending module, configured to send the UCI on the PUSCH according to the transmission parameter.
The apparatus of claim 19 wherein said transmission parameters comprise at least one:

Offset parameter
Wherein said
An offset parameter for calculating a number of coded modulation symbols when the UCI is transmitted on the PUSCH;

a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH;

a single carrier frequency division multiple access SC-FDMA symbol occupied by the UCI during the PUSCH transmission;

The UCI binding mode;

The number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe;

The UCI coding modulation symbol number adjustment factor;

a serving cell in which the PUSCH carrying the UCI is located;

UCI sent simultaneously on the same subframe.
The apparatus according to claim 19 or 20, wherein the transmitting module is further configured to: determine a transmission parameter of the UCI transmission according to a value of a transmission indication field in the DCI.
An apparatus for acquiring uplink control information UCI, located in a base station, includes:

The indication module is configured to indicate, by using the configured downlink control information DCI, a transmission parameter when the uplink control information UCI is transmitted, where the DCI is a physical downlink control channel PDCCH corresponding to the physical uplink shared channel PUSCH or an enhanced physical downlink control channel EPDCCH DCI;

And an obtaining module, configured to acquire the UCI sent by the terminal according to the indicated transmission parameter.
The apparatus of claim 22, wherein the transmission parameter comprises at least one of:

Offset parameter
Wherein said
An offset parameter for calculating a number of coded modulation symbols when the UCI is transmitted on the PUSCH;

a serving cell and/or a downlink subframe index carrying the UCI on the PUSCH;

a single carrier frequency division multiple access SC-FDMA symbol occupied by the UCI during the PUSCH transmission;

The binding mode of the UCI;

The number of bits of the UCI corresponding to the downlink serving cell and/or the downlink subframe;

The UCI coding modulation symbol number adjustment factor;

a serving cell in which the PUSCH carrying the UCI is located;

UCI sent simultaneously on the same subframe.
The apparatus according to claim 22 or 23, wherein the indication module is further configured to indicate a transmission parameter of the UCI transmission by a value of a transmission indication field in the configured DCI.