CN107534523B

CN107534523B - User equipment, access network equipment and method for sending and receiving uplink control information

Info

Publication number: CN107534523B
Application number: CN201580079152.8A
Authority: CN
Inventors: 官磊; 吕永霞; 权威
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2015-05-15
Filing date: 2015-05-15
Publication date: 2020-02-14
Anticipated expiration: 2035-05-15
Also published as: CN107534523A; WO2016183733A1

Abstract

The embodiment of the invention discloses user equipment, access network equipment and a method for sending and receiving uplink control information. The sending method comprises the following steps: the method comprises the steps that User Equipment (UE) determines a main carrier and an auxiliary carrier group, wherein the auxiliary carrier group comprises at least one auxiliary carrier, the at least one auxiliary carrier comprises at least one Physical Uplink Control Channel (PUCCH) auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are configured to be capable of simultaneously transmitting PUCCH; the UE determines the sending configuration of feedback information and Scheduling Request (SR) on the main carrier and the PUCCH auxiliary carrier in an uplink subframe, wherein the feedback information is acknowledgement or non-acknowledgement (ACK/NACK); and the UE transmits the PUCCH in the uplink subframe according to the transmission configuration. By the method, when the UE is configured with the dual PUCCH mode, the SR can be jointly transmitted with the ACK/NACK in the dual PUCCH mode.

Description

User equipment, access network equipment and method for sending and receiving uplink control information

Technical Field

The present invention relates to the field of communications, and in particular, to a user equipment, an access network device, and a method for transmitting and receiving uplink control information in the field of wireless communications.

Background

In a Long Term Evolution (LTE) system, downlink transmission is based on Orthogonal Frequency Division Multiplexing (OFDM), and uplink transmission is based on single carrier-frequency division multiplexing access (SC-FDMA). LTE supports Frequency Division Duplexing (FDD) and Time Division Duplexing (TDD). For FDD systems, the downlink and uplink are transmitted on different carriers. For a TDD system, uplink and downlink are transmitted at different times on the same carrier. The transmission of traffic is scheduled based on access network equipment such as a base station, and the basic time unit scheduled by the base station is one subframe. The specific scheduling procedure is that the base station sends a control channel, such as a Physical Downlink Control Channel (PDCCH) or an enhanced PDCCH (enhanced PDCCH, EPDCCH), where the control channel may carry scheduling information of a data channel, such as a Physical Downlink Shared Channel (PDSCH) or a Physical Uplink Shared Channel (PUSCH), and the scheduling information includes control information such as resource allocation information and a modulation and coding scheme. User Equipment (UE) detects a control channel in a subframe, and receives a downlink data channel or transmits an uplink data channel according to scheduling information carried in the detected control channel.

Although uplink data transmission is scheduled by a base station, the uplink data transmission is initiated by a UE, and the base station performs uplink data scheduling on the UE only by obtaining an initiation message of the UE, where the initiation message is completed by sending a Scheduling Request (SR) on a Physical Uplink Control Channel (PUCCH) in an LTE system. Specifically, the base station may configure, in advance, SR resources for the UE, where the SR resources are generally configured with a certain period, and if the UE does not have an uplink data transmission requirement, the UE may not transmit a signal on the SR resources that periodically occur, otherwise, once the UE has an uplink data transmission requirement, the UE may transmit an SR signal on the SR resources that periodically occur, and the base station determines whether the UE transmits an SR by detecting energy of the SR resources. The PUCCH format for transmitting the SR in the LTE system is PUCCH format 1.

LTE employs a hybrid Automatic Repeat Request (HARQ) mechanism. In the following behavior example, after receiving the PDSCH, the UE feeds back an Acknowledgement (ACK) on the PUCCH if the PDSCH is correctly received, and feeds back a non-acknowledgement (NACK) on the PUCCH if the PDSCH is not correctly received, and the PUCCH format for transmitting the ACK/NACK is PUCCH format 1a or 1 b. If the subframe where the UE feeds back the ACK/NACK on the PUCCH is exactly the subframe where the SR resource is located, the UE transmits the ACK/NACK on the PUCCH format 1a or 1b of the ACK/NACK if the UE has no uplink data transmission requirement; on the contrary, if the UE has an uplink data transmission requirement at this time, the UE transmits ACK/NACK on PUCCH format 1 of SR.

LTE also supports Carrier Aggregation (CA) techniques, i.e., a base station configures multiple carriers to a UE to increase the data rate of the UE. The multiple carriers are synchronously transmitted in the time domain, and the UE can detect the PDCCH scheduling each carrier and the PDSCH corresponding to the PDCCH, respectively, wherein the specific detection process of each carrier is similar to the single carrier case described above. In the CA mode, ACK/NACK is fed back independently for data scheduling of multiple downlink carriers, which results in that the number of bits of ACK/NACK is greater than that in the single carrier mode, so besides PUCCH format 1a or 1b, PUCCH format 3 is introduced, PUCCH format 3 adopts a discrete Fourier transform-spread-OFDM (DFT-S-OFDM) transmission method, at least 20 ACK/NACK bits can be transmitted, and the number of received ACK/NACK bits is significantly greater than that in PUCCH format 1a or 1 b. Generally, in the CA mode, a UE may be configured with one primary carrier and at least one secondary carrier, and a PUCCH is transmitted only on the primary carrier of the UE. In addition, when the subframe in which the UE transmits the ACK/NACK using PUCCH format 3 happens to be the subframe in which the SR resource is located, the ACK/NACK is transmitted on the PUCCH format 3 resource together with the SR at this time. Specifically, the original bit number before coding on PUCCH format 3 needs to reserve a position of 1 bit for the SR, for example, the SR is at the end of the ACK/NACK bit, if the UE has an uplink data transmission requirement at this time, the 1 bit of the reserved SR position is mapped to '1', and if the UE does not have an uplink data transmission requirement at this time, the 1 bit of the reserved SR position is mapped to '0'.

As LTE technology continues to evolve, it may be necessary to support ACK/NACK feedback with a larger number of bits, say much larger than 20 bits, in the future. Therefore, it is likely that a new PUCCH format with a larger bit capacity than PUCCH format 3 will be introduced, and due to the increased bit capacity, the overhead of the new PUCCH format should be larger than PUCCH format 3 and/or the multiplexing capability is lower than PUCCH format 3. Meanwhile, it is considered that the current PUCCH is all carried on the primary carrier, and the primary carriers of a large number of UEs may be the same, resulting in a large PUCCH overhead on the primary carrier. An enhanced PUCCH transmission mechanism is to introduce PUCCH for transmission on multiple carriers, such as selecting one secondary carrier from a set of secondary carriers to carry PUCCH, which may be referred to as a PUCCH secondary carrier. Therefore, the UE can transmit two PUCCHs in parallel through the main carrier and the PUCCH auxiliary carrier respectively, and the problem of heavy load of the PUCCH on the main carrier is solved. Specifically, assuming that the UE is configured with 32 carriers, the base station may configure the UE to transmit ACK/NACK for carriers 1 to 16 on the PUCCH of the primary carrier and to transmit ACK/NACK for carriers 17 to 32 on the PUCCH secondary carrier. However, for the SR, whether it is in the single carrier mode or the CA mode, the SR characterizes whether there is a need for uplink data transmission, so from the content of the SR, even in the CA mode, the UE still only needs to transmit one SR, that is, the SR transmission requirement is consistent with the SR transmission requirement in the single carrier mode. However, although the content of the SR coincides with the single carrier mode, it may also be considered to offload a part of the load of the SR to the SCell. Therefore, how to transmit the SR in the dual PUCCH mode is an urgent problem to be solved.

Disclosure of Invention

The embodiment of the invention provides user equipment, access network equipment and a method for sending and receiving uplink control information, which aim to solve the problem of joint transmission of SR and ACK/NACK in a dual PUCCH mode.

In a first aspect, an embodiment of the present invention provides a method for sending uplink control information, including:

the method comprises the steps that User Equipment (UE) determines a main carrier and an auxiliary carrier group and at least one auxiliary carrier, wherein the at least one auxiliary carrier comprises at least one Physical Uplink Control Channel (PUCCH) auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are configured to be capable of simultaneously transmitting PUCCH;

the UE determines the sending configuration of feedback information and Scheduling Request (SR) on the main carrier and the PUCCH auxiliary carrier in an uplink subframe, wherein the feedback information is acknowledgement or non-acknowledgement (ACK/NACK);

and the UE transmits the PUCCH in the uplink subframe according to the transmission configuration.

In a first possible implementation manner of the first aspect, the sending configuration indicates that ACK/NACK needs to be sent on the primary carrier and ACK/NACK does not need to be sent on the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs; the UE transmits a PUCCH in the uplink subframe according to the transmission configuration, including: the UE transmits ACK/NACK and SR on PUCCH on the primary carrier, and does not transmit SR on PUCCH on the PUCCH secondary carrier; or, the sending configuration indicates that ACK/NACK does not need to be sent on the primary carrier and ACK/NACK needs to be sent on the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE transmits ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and does not transmit SR on PUCCH on the primary carrier. The sending configuration indicates that ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE sends a first part of ACK/NACK and SR on the PUCCH on the main carrier, and the UE sends a second part of ACK/NACK and SR on the PUCCH auxiliary carrier.

In a second possible implementation manner of the first aspect, the sending configuration indicates that ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and the primary carrier is configured with an SR and the PUCCH secondary carrier is not configured with an SR, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE sends a first part of ACK/NACK and SR on a PUCCH on the main carrier, and the UE sends a second part of ACK/NACK and SR on a PUCCH on the PUCCH auxiliary carrier; or, the sending configuration indicates that ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and the primary carrier is not configured with an SR and the PUCCH secondary carrier is configured with an SR, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE sends a first part of ACK/NACK and SR on the PUCCH on the main carrier, and the UE sends a second part of ACK/NACK and SR on the PUCCH auxiliary carrier.

In a third possible implementation manner of the first aspect, the sending configuration indicates that ACK/NACK needs to be sent on the primary carrier and ACK/NACK does not need to be sent on the PUCCH secondary carrier, and the primary carrier is not configured with an SR and the PUCCH secondary carrier is configured with an SR, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE transmits ACK/NACK and SR on PUCCH on the primary carrier, and does not transmit SR on PUCCH on the PUCCH secondary carrier; or, the sending configuration indicates that ACK/NACK does not need to be sent on the primary carrier but ACK/NACK needs to be sent on the PUCCH secondary carrier, and the primary carrier is configured with an SR but the PUCCH secondary carrier is not configured with an SR, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE transmits ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and does not transmit SR on PUCCH on the primary carrier.

In the above three possible implementation manners of the first aspect, the UE sends ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the primary carrier; or, the UE sends ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the PUCCH secondary carrier.

In a second aspect, an embodiment of the present invention provides a method for receiving uplink control information, where the method includes:

the method comprises the steps that access network equipment determines a main carrier and an auxiliary carrier group of UE (user equipment), wherein the auxiliary carrier group comprises a PUCCH (physical uplink control channel) auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are carriers which are configured for the UE and can simultaneously transmit PUCCH (physical uplink control channel);

the access network equipment determines the receiving configuration of ACK/NACK and SR on the main carrier and the PUCCH auxiliary carrier in an uplink subframe;

and the access network equipment receives the PUCCH in the uplink subframe according to the receiving configuration.

In a first possible implementation manner of the second aspect, when ACK/NACK needs to be received on the primary carrier and ACK/NACK does not need to be received on the PUCCH secondary carrier, and the access network device configures SRs for the UE on both the primary carrier and the PUCCH secondary carrier, the access network device receives ACK/NACK and SR on the PUCCH on the primary carrier and does not receive SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be received on the primary carrier but ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures SRs on both the primary carrier and the PUCCH secondary carrier for the UE, the access network device receives ACK/NACK and SR on the PUCCH secondary carrier but does not receive SR on the PUCCH on the primary carrier. Further comprising: when the access network equipment needs to receive ACK/NACK on the main carrier and the PUCCH auxiliary carrier, and the access network equipment configures SR for the UE on both the main carrier and the PUCCH auxiliary carrier, the access network equipment receives a first part of ACK/NACK and SR on the PUCCH on the main carrier, and the access network equipment receives a second part of ACK/NACK and SR on the PUCCH auxiliary carrier.

In a second possible implementation manner of the second aspect, when ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures an SR on the primary carrier of the UE and does not configure an SR on the PUCCH secondary carrier, the access network device receives a first part of ACK/NACK and an SR on a PUCCH on the primary carrier, and the access network device receives a second part of ACK/NACK and an SR on a PUCCH on the PUCCH secondary carrier; or, when ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures an SR for the primary carrier of the UE but configures an SR for the PUCCH secondary carrier, the access network device receives a first part of ACK/NACK and an SR on a PUCCH on the primary carrier, and the access network device receives a second part of ACK/NACK and an SR on the PUCCH secondary carrier.

In a third possible implementation manner of the second aspect, when ACK/NACK needs to be received on the primary carrier but ACK/NACK does not need to be received on the PUCCH secondary carrier, and the access network device configures no SR on the primary carrier of the UE and configures an SR on the PUCCH secondary carrier, the access network device receives ACK/NACK and an SR on the PUCCH on the primary carrier but does not receive an SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be received on the primary carrier but ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures an SR on the primary carrier of the UE but does not configure an SR on the PUCCH secondary carrier, the access network device receives ACK/NACK and an SR on a PUCCH on the PUCCH secondary carrier but does not receive an SR on the PUCCH on the primary carrier.

In the above three possible implementation manners of the second aspect, the access network device receives ACK/NACK and SR on PUCCH format 3 on the primary carrier or a new PUCCH format; or the access network equipment receives ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the PUCCH secondary carrier.

In a third aspect, an embodiment of the present invention provides a user equipment, including:

a first determining module, configured to determine a primary carrier and an auxiliary carrier group by a UE, where the auxiliary carrier group includes a PUCCH auxiliary carrier, and the primary carrier and the PUCCH auxiliary carrier are configured to simultaneously transmit a PUCCH;

a second determining module, configured to determine, by the UE, transmission configurations of ACK/NACK and SR in an uplink subframe on the primary carrier and on the PUCCH secondary carrier;

and the sending module is used for sending the PUCCH in the uplink subframe by the UE according to the sending configuration.

In a first possible implementation manner of the third aspect, when ACK/NACK needs to be sent on the primary carrier and ACK/NACK does not need to be sent on the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs, the UE sends ACK/NACK and SR on the PUCCH on the primary carrier, but does not send SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be transmitted on the primary carrier but ACK/NACK needs to be transmitted on the PUCCH secondary carrier and both the primary carrier and the PUCCH secondary carrier are configured with SRs, the UE transmits ACK/NACK and SR on the PUCCH secondary carrier instead of transmitting SR on the PUCCH on the primary carrier. Further comprising: when ACK/NACK needs to be sent on the main carrier and the PUCCH auxiliary carrier, and the SR is configured on both the main carrier and the PUCCH auxiliary carrier, the UE sends a first part of ACK/NACK and SR on the PUCCH on the main carrier, and sends a second part of ACK/NACK and SR on the PUCCH auxiliary carrier.

In a second possible implementation manner of the third aspect, when ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and the primary carrier is configured with an SR and the PUCCH secondary carrier is not configured with an SR, the UE sends a first partial ACK/NACK and an SR on a PUCCH on the primary carrier, and the UE sends a second partial ACK/NACK and an SR on a PUCCH on the PUCCH secondary carrier; or, when ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and the SR is not configured on the primary carrier but configured on the PUCCH secondary carrier, the UE sends a first partial ACK/NACK and SR on the PUCCH on the primary carrier, and the UE sends a second partial ACK/NACK and SR on the PUCCH secondary carrier.

In a third possible implementation manner of the third aspect, when ACK/NACK needs to be sent on the primary carrier but ACK/NACK does not need to be sent on the PUCCH secondary carrier, and an SR is not configured on the primary carrier but an SR is configured on the PUCCH secondary carrier, the UE sends ACK/NACK and SR on the PUCCH on the primary carrier but does not send SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be transmitted on the primary carrier but ACK/NACK needs to be transmitted on the PUCCH secondary carrier, and an SR is configured on the primary carrier but an SR is not configured on the PUCCH secondary carrier, the UE transmits ACK/NACK and SR on the PUCCH secondary carrier, but does not transmit SR on the PUCCH on the primary carrier.

In the above three possible implementation manners of the third aspect, the UE sends ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the primary carrier; or, the UE sends ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the PUCCH secondary carrier.

In a fourth aspect, an embodiment of the present invention provides an access network device, including:

the device comprises a first determining module, a second determining module and a third determining module, wherein the first determining module is used for an access network device to determine a main carrier and an auxiliary carrier group of the UE, the auxiliary carrier group comprises a PUCCH auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are carriers which are configured for the UE and can simultaneously transmit the PUCCH;

a second determining module, configured to determine, by the access network device, a reception configuration of ACK/NACK and SR in an uplink subframe on the primary carrier and on the PUCCH secondary carrier;

a receiving module, configured to receive, by the access network device, the PUCCH in the uplink subframe according to the reception configuration.

In a first possible implementation manner of the fourth aspect, when ACK/NACK needs to be received on the primary carrier and ACK/NACK does not need to be received on the PUCCH secondary carrier, and the access network device configures SRs for the UE on both the primary carrier and the PUCCH secondary carrier, the access network device receives ACK/NACK and SR on the PUCCH on the primary carrier and does not receive SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be received on the primary carrier but ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures SRs on both the primary carrier and the PUCCH secondary carrier for the UE, the access network device receives ACK/NACK and SR on the PUCCH secondary carrier but does not receive SR on the PUCCH on the primary carrier. Further comprising: when the access network equipment needs to receive ACK/NACK on the main carrier and the PUCCH auxiliary carrier, and the access network equipment configures SR for the UE on both the main carrier and the PUCCH auxiliary carrier, the access network equipment receives a first part of ACK/NACK and SR on the PUCCH on the main carrier, and the access network equipment receives a second part of ACK/NACK and SR on the PUCCH auxiliary carrier.

In a second possible implementation manner of the fourth aspect, when ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures an SR on the primary carrier of the UE and does not configure an SR on the PUCCH secondary carrier, the access network device receives a first part of ACK/NACK and an SR on a PUCCH on the primary carrier, and the access network device receives a second part of ACK/NACK and an SR on a PUCCH on the PUCCH secondary carrier; or, when ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures an SR for the primary carrier of the UE but configures an SR for the PUCCH secondary carrier, the access network device receives a first part of ACK/NACK and an SR on a PUCCH on the primary carrier, and the access network device receives a second part of ACK/NACK and an SR on the PUCCH secondary carrier.

In a third possible implementation manner of the fourth aspect, when ACK/NACK needs to be received on the primary carrier and ACK/NACK does not need to be received on the PUCCH secondary carrier, and the access network device configures no SR on the primary carrier of the UE and configures an SR on the PUCCH secondary carrier, the access network device receives ACK/NACK and an SR on the PUCCH on the primary carrier and does not receive an SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be received on the primary carrier but ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures an SR on the primary carrier of the UE but does not configure an SR on the PUCCH secondary carrier, the access network device receives ACK/NACK and an SR on a PUCCH on the PUCCH secondary carrier but does not receive an SR on the PUCCH on the primary carrier.

In the above three possible implementation manners of the fourth aspect, the access network device receives ACK/NACK and SR on PUCCH format 3 on the primary carrier or a new PUCCH format; or the access network equipment receives ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the PUCCH secondary carrier.

By the method, the user equipment and the access network equipment, the SR diversity reception can be realized by simultaneously transmitting the SR under the condition that the ACK/NACK transmission requirement exists on the double PUCCHs, and the SR receiving performance is improved; and under the condition that only one PUCCH has the ACK/NACK transmission requirement, the SR is transmitted only on the PUCCH transmitting the ACK/NACK, but not on the other PUCCH, thereby ensuring the SR reception and avoiding the reduction of the uplink power efficiency brought by the double PUCCH transmission.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a flowchart illustrating a method for sending uplink control information according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a first embodiment of a method for sending uplink control information according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a second implementation manner of a method for sending uplink control information according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a third implementation manner of a method for sending uplink control information according to an embodiment of the present invention;

fig. 5 is a schematic flow chart of a method for receiving uplink control information according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an access network device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Compared with the transmission of the PUCCH only on the main carrier, the problem of maximum power back-off exists on an uplink single radio frequency chain when the PUCCH is simultaneously transmitted on the main carrier and the PUCCH auxiliary carrier, so that the characteristic of uplink single carrier FDMA is broken through by uplink double PUCCH transmission. The maximum power back-off may cause a certain reduction in power efficiency, especially under the condition that the UE transmit power is limited, which is also the price paid for transmitting dual PUCCH to achieve PUCCH overhead offload. Based on this, it is considered that the content of the SR in the CA mode is substantially the same as the content of the SR in the single carrier, and therefore, in some scenarios, dual PUCCH transmission may be avoided. Specifically, for SR transmission in dual PUCCH mode, the following scenarios may be considered:

scene one: simultaneous collision of SRs on two PUCCHs

Generally, the SR on the PUCCH of the primary carrier and the SR on the PUCCH secondary carrier are configured with periods and transmission subframes independently, which may cause the SRs on the two PUCCHs to be configured in the same uplink subframe, that is, to collide with each other at the same time. At this time, the following two sub-scenarios can be considered again:

sub-scenario 1: and on the uplink subframe collided by the SR, ACK/NACK needs to be sent on both PUCCHs.

In this sub-scenario, because the respective ACK/NACKs on the two PUCCHs generally correspond to different carriers and/or different downlink subframes, at this time, the dual PUCCH needs to be transmitted anyway to respectively carry the ACK/NACKs corresponding to the different carriers and/or the different downlink subframes. Then the case where SR is present on both PUCCHs can be assumed at this time. For example, two PUCCHs both adopt PUCCH format 3 or a new format with larger capacity, and 1 bit may be reserved for the SR on each of the two PUCCHs. This has the advantage of SR diversity reception, i.e., the base station can obtain the performance gain of diversity reception SR at the receiving end, compared to a scheme where the SR is transmitted on only one PUCCH and the SR on the other PUCCH is discarded. Specifically, if ACK/NACK and SR error detection in the PUCCH on the primary carrier, for example, Cyclic Redundancy Check (CRC) fails to be checked, and CRC on the PUCCH secondary carrier passes to be checked, the base station may still obtain SR information sent by the UE to determine whether the UE has a requirement for uplink data transmission. In addition, generally, the number of bits of the SR is very small compared to the number of bits of the ACK/NACK, and therefore, the SR with 1 bit reserved on both PUCCHs does not substantially affect the demodulation performance of the PUCCH.

Sub-scenario 2: on the uplink subframe where the above SR collides, only one of the two PUCCHs needs to send ACK/NACK.

It is assumed that ACK/NACK needs to be sent on the PUCCH on the primary carrier at this time, and ACK/NACK does not need to be sent on the PUCCH secondary carrier at this time, for example, a downlink carrier and/or a downlink subframe corresponding to the PUCCH on the PUCCH secondary carrier is not scheduled by the base station. On the contrary, the case that ACK/NACK needs not to be sent on the primary carrier, but ACK/NACK needs to be sent on the PUCCH secondary carrier is also similar, and the present invention is described by taking the former as an example.

Under the assumption, a relatively straightforward PUCCH transmission mechanism should be that the UE needs to consider the SR when transmitting ACK/NACK on the primary carrier, for example, the PUCCH transmitted on the primary carrier includes ACK/NACK and SR, and only PUCCH format 1 is transmitted on the PUCCH secondary carrier to carry SR without transmitting ACK/NACK. The disadvantage of this mechanism is that the SR transmitted alone will make the uplink transmission at this time not have single carrier FDMA characteristics, resulting in maximum power backoff and reducing the power effect of uplink transmission. In addition, since the information represented by the SRs transmitted by the two PUCCHs is actually a piece of information content, the diversity gain caused by simultaneous transmission of the SRs at this time may not be enough to compensate for the power efficiency loss caused by uplink dual-PUCCH transmission, and for sub-scenario 1, dual-PUCCH transmission is inevitable because ACK/NACK transmitted on the two PUCCHs are independent.

Scene two: SR on two PUCCHs do not collide with each other at the same time

Generally, the SR on the PUCCH of the primary carrier and the SR on the PUCCH secondary carrier are configured with a cycle and a transmission subframe independently, so that the SRs on the two PUCCHs can be configured on different uplink subframes through the independent configuration of the SRs, that is, the SRs on the two PUCCHs are not configured with the uplink subframe simultaneously. The following three sub-scenarios may be considered at this time:

sub-scenario 1: ACK/NACK needs to be sent on both PUCCHs, but only one PUCCH has SR configuration.

Since ACK/NACK needs to be transmitted on both PUCCHs, the dual PUCCH needs to be transmitted at this time. For SR, since only one PUCCH is configured with SR, only the joint transmission of SR and ACK/NACK on this PUCCH may be considered, and SR transmission need not be considered on another PUCCH not configured with SR. Or, although there is no SR configuration on the other PUCCH, considering that dual PUCCH is always transmitted at this time, and that the SR with more reserved 1 bit does not greatly affect demodulation performance of PUCCH, and that a gain of SR diversity reception can be obtained, it is possible to consider the SR with 1 bit reserved on each of the two PUCCHs.

Sub-scenario 2: ACK/NACK is required to be sent on only one PUCCH on the two PUCCHs, and the SR at the moment is configured on the PUCCH which transmits the ACK/NACK.

Only one PUCCH needs to be transmitted at this time and the transmission of the SR is considered on this PUCCH, e.g. together with ACK/NACK transmission.

Sub-scenario 3: ACK/NACK is required to be sent on only one PUCCH on the two PUCCHs, and the SR at the moment is configured on the PUCCH which does not transmit ACK/NACK.

Under the above assumption, a relatively straightforward PUCCH transmission mechanism should be that the UE does not need to consider the SR when transmitting ACK/NACK on the primary carrier, for example, PUCCH transmitted on the primary carrier contains ACK/NACK and does not contain SR, and PUCCH secondary carrier only transmits PUCCH format 1 to carry SR and does not transmit ACK/NACK. The disadvantage of this mechanism is that the SR transmitted alone will make the uplink transmission at this time not have single carrier FDMA characteristics, resulting in maximum power backoff and reducing the power effect of uplink transmission. Therefore, considering that the period and the transmission subframe of the SR are configured in advance, the SR configured on the PUCCH secondary carrier at this time can be transmitted on the PUCCH of the primary carrier, i.e., transmitted together with the ACK/NACK of the primary carrier, without re-transmitting the SR on the PUCCH secondary carrier.

Based on the above description of problem analysis, solution and corresponding effect in each scenario, fig. 1 is a sending method of uplink control information provided by the present invention, which is used for a UE side:

step 101: the method comprises the steps that UE determines a main carrier and an auxiliary carrier group, the auxiliary carrier group comprises at least one auxiliary carrier, the at least one auxiliary carrier comprises at least one PUCCH auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are configured to simultaneously transmit PUCCH;

it should be noted that, although the embodiment of the present invention is described by taking one PUCCH secondary carrier as an example, the scheme of the embodiment of the present invention is not limited to this, and may also be applied to a scenario with at least two PUCCH secondary carriers.

Step 102: the UE determines the sending configuration of ACK/NACK and SR on the main carrier and the PUCCH auxiliary carrier in an uplink subframe;

step 103: and the UE transmits the PUCCH in the uplink subframe according to the transmission configuration.

By the method, when the UE is configured with the dual PUCCH mode, the transmission of the SR and the ACK/NACK in the mode is realized, and the problem of the combined transmission of the SR and the ACK/NACK in the dual PUCCH mode is solved.

Note that, the simultaneous transmission of the PUCCH means that the UE can transmit a plurality of PUCCHs in the same subframe on different carriers, respectively.

Optionally, the UE determines a transmission configuration of an ACK/NACK and an SR on the primary carrier and the PUCCH secondary carrier in an uplink subframe, and the UE transmits the PUCCH in the uplink subframe according to the transmission configuration, which specifically includes: when ACK/NACK needs to be sent on the primary carrier but not on the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs, the UE sends ACK/NACK and SR on the PUCCH on the primary carrier but does not send SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be transmitted on the primary carrier but ACK/NACK needs to be transmitted on the PUCCH secondary carrier and both the primary carrier and the PUCCH secondary carrier are configured with SRs, the UE transmits ACK/NACK and SR on the PUCCH secondary carrier instead of transmitting SR on the PUCCH on the primary carrier.

The above transmission configuration refers to a case where the UE determines the configuration of the base station for the SR and the scheduling of the downlink data to determine whether ACK/NACK needs to be transmitted on the PUCCH.

Further, when ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier and both the primary carrier and the PUCCH secondary carrier are configured with SRs, the UE sends a first part of ACK/NACK and SR on the PUCCH on the primary carrier, and the UE sends a second part of ACK/NACK and SR on the PUCCH secondary carrier.

Further, the UE sends ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the main carrier; or, the UE sends ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the PUCCH secondary carrier.

It should be noted that, the ACK/NACK and the SR are transmitted on the primary carrier or the PUCCH secondary carrier as mentioned above, that is, the SR is considered while transmitting the ACK/NACK. For example, for PUCCH format 3 or a new PUCCH format, if the UE has no uplink data transmission requirement, the reserved 1-bit SR on the PUCCH is set to '0'; on the contrary, if the UE has an uplink data transmission requirement, the reserved 1-bit SR on the PUCCH is set to '1'. For another example, for PUCCH format 1a or 1b, if the UE has no uplink data transmission requirement, the UE transmits ACK/NACK on the resources of PUCCH format 1a or 1b of ACK/NACK; on the contrary, if the UE has an uplink data transmission requirement, the UE transmits ACK/NACK on the PUCCH format 1 resource of the SR.

Taking fig. 2 as an example, fig. 2(a) assumes that ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, for example, ACK/NACK of downlink data channels scheduled on downlink carriers 1 to 16 in the first downlink carrier set needs to be sent on PUCCH on the primary carrier, ACK/NACK of downlink data channels scheduled on downlink carriers 17 to 32 in the second downlink carrier set needs to be sent on PUCCH secondary carrier, and the UE receives scheduling of downlink data from both the first downlink carrier set and the second downlink carrier set before, and then the UE needs to send ACK/NACK on PUCCH of primary carrier PUCCH and PUCCH secondary carrier in the current uplink subframe. Assuming that the UE is configured with SRs on both the primary carrier and the PUCCH secondary carrier in the uplink subframe that needs to send ACK/NACK, the UE may perform ACK/NACK transmission and SR transmission in both the above two PUCCHs. For example, if both PUCCHs are transmitted in PUCCH format 3, one SR bit is reserved in each PUCCH format 3, and the scheme is also applicable to other PUCCH formats in which SR transmission is considered. By the scheme, the diversity transmission of the SR can be realized, the corresponding diversity reception of the SR at the access network equipment side improves the SR receiving performance, and the temporarily increased SR transmission basically does not influence the ACK/NACK receiving performance.

Fig. 2(b) assumes that ACK/NACK needs to be sent on the primary carrier and no ACK/NACK needs to be sent on the PUCCH secondary carrier, for example, the UE has previously received downlink data channels scheduled on downlink carriers 1 to 16 in the first downlink carrier set and has not received downlink data channels scheduled on downlink carriers 17 to 32 in the second downlink carrier set. Assuming that the UE is configured with SRs on both the primary carrier and the PUCCH secondary carrier in the uplink subframe requiring ACK/NACK transmission, the UE may consider SR transmission on the PUCCH for ACK/NACK transmission, i.e. PUCCH on the primary carrier, and not consider SR transmission on the PUCCH secondary carrier. By the scheme, the uplink power efficiency can be improved, and the transmission of the SRs cannot be influenced because the contents of the two SRs are consistent.

Optionally, the UE determines a transmission configuration of an ACK/NACK and an SR on the primary carrier and the PUCCH secondary carrier in an uplink subframe, and the UE transmits the PUCCH in the uplink subframe according to the transmission configuration, which specifically includes: when ACK/NACK needs to be sent on the primary carrier and the PUCCH secondary carrier, and SR is configured on the primary carrier but not configured on the PUCCH secondary carrier, the UE sends a first part of ACK/NACK and SR on the PUCCH on the primary carrier, and sends a second part of ACK/NACK and SR on the PUCCH secondary carrier; or, when ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and the SR is not configured on the primary carrier but configured on the PUCCH secondary carrier, the UE sends a first partial ACK/NACK and SR on the PUCCH on the primary carrier, and the UE sends a second partial ACK/NACK and SR on the PUCCH secondary carrier.

Taking fig. 3 as an example, assuming that ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, for example, ACK/NACK of downlink data channels scheduled on downlink carriers 1 to 16 in the first downlink carrier set needs to be sent on PUCCH on the primary carrier, ACK/NACK of downlink data channels scheduled on downlink carriers 17 to 32 in the second downlink carrier set needs to be sent on PUCCH secondary carrier, and the UE receives scheduling of downlink data from both the first downlink carrier set and the second downlink carrier set before, the UE needs to send ACK/NACK on PUCCH of primary carrier PUCCH and PUCCH secondary carrier in the current uplink subframe. Assuming that the UE is configured with an SR in the primary carrier in advance and is not configured with an SR in the PUCCH secondary carrier in the uplink subframe where ACK/NACK needs to be sent, the UE may perform ACK/NACK and SR transmission in both PUCCHs at this time. For example, if both PUCCHs are transmitted in PUCCH format 3, one SR bit is reserved in each PUCCH format 3, and the scheme is also applicable to other PUCCH formats in which SR transmission is considered. By the scheme, the SR diversity transmission can be realized, the corresponding SR diversity reception at the access network equipment side is realized, and the SR receiving performance is improved. In addition, although the SR is not configured on the PUCCH secondary carrier, the reception performance of ACK/NACK is not substantially affected by the temporarily increased SR transmission.

Optionally, the UE determines a transmission configuration of an ACK/NACK and an SR on the primary carrier and the PUCCH secondary carrier in an uplink subframe, and the UE transmits the PUCCH in the uplink subframe according to the transmission configuration, which specifically includes: when ACK/NACK needs to be sent on the primary carrier but not on the PUCCH secondary carrier, and the SR is not configured on the primary carrier but on the PUCCH secondary carrier, the UE sends ACK/NACK and SR on the PUCCH on the primary carrier but does not send SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be transmitted on the primary carrier but ACK/NACK needs to be transmitted on the PUCCH secondary carrier, and an SR is configured on the primary carrier but an SR is not configured on the PUCCH secondary carrier, the UE transmits ACK/NACK and SR on the PUCCH secondary carrier, but does not transmit SR on the PUCCH on the primary carrier.

Taking fig. 4 as an example, it is assumed that ACK/NACK needs to be sent on the primary carrier and ACK/NACK does not need to be sent on the PUCCH secondary carrier, for example, the UE previously receives downlink data channels scheduled on downlink carriers 1 to 16 in the first downlink carrier set and does not receive downlink data channels scheduled on downlink carriers 17 to 32 in the second downlink carrier set. Assuming that the UE is not configured with the SR on the primary carrier and is configured with the SR on the PUCCH secondary carrier in advance in the uplink subframe that needs to send the ACK/NACK, the UE may abandon the SR transmission on the PUCCH secondary carrier and move the SR transmission to the PUCCH of the primary carrier, that is, perform ACK/NACK and SR transmission on the PUCCH of the primary carrier. By the scheme, the uplink power efficiency can be improved, and the SR transmission is not influenced because the SR transmission is only carried out.

In addition, the embodiment of fig. 4 is particularly suitable for PUCCH format 3 and PUCCH new format, because both SR and ACK/NACK are transmitted on the PUCCH format 3 or new format. This scheme is not well suited for PUCCH format 1a or 1b, so once the UE has uplink data transmission requirement, the UE should transmit SR on the resource of its own PUCCH format 1, and the uplink subframe is not configured with SR resource on the primary carrier. If the same resource as the SR is not necessarily applicable, such as PUCCH format 1a or 1b, to be supported, the resource may always be allocated to the SR.

Fig. 5 is a receiving method of uplink control information provided by the present invention, which is used for an access network device side:

step 501: the method comprises the steps that access network equipment determines a main carrier and an auxiliary carrier group of UE (user equipment), wherein the auxiliary carrier group comprises a PUCCH (physical uplink control channel) auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are carriers which are configured for the UE and can simultaneously transmit PUCCH (physical uplink control channel);

step 502: the access network equipment determines the receiving configuration of ACK/NACK and SR on the main carrier and the PUCCH auxiliary carrier in an uplink subframe;

step 503: and the access network equipment receives the PUCCH in the uplink subframe according to the receiving configuration.

By the method, when the access network equipment configures a double PUCCH mode for the UE, the transmission of the SR and the ACK/NACK in the mode is realized, and the problem of the combined transmission of the SR and the ACK/NACK in the double PUCCH mode is solved.

Optionally, the determining, by the access network device, a reception configuration of an ACK/NACK and an SR on the primary carrier and on the PUCCH secondary carrier in an uplink subframe, and receiving, by the access network device, a PUCCH in the uplink subframe according to the reception configuration specifically includes: when ACK/NACK needs to be received on the primary carrier but ACK/NACK does not need to be received on the PUCCH secondary carrier, and the access network equipment configures SR for the UE on both the primary carrier and the PUCCH secondary carrier, the access network equipment receives ACK/NACK and SR on the PUCCH on the primary carrier but does not receive SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be received on the primary carrier but ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures SRs on both the primary carrier and the PUCCH secondary carrier for the UE, the access network device receives ACK/NACK and SR on the PUCCH secondary carrier but does not receive SR on the PUCCH on the primary carrier.

Further, when the access network device needs to receive ACK/NACK on both the primary carrier and the PUCCH secondary carrier, and the access network device configures SRs for the UE on both the primary carrier and the PUCCH secondary carrier, the access network device receives a first part of ACK/NACK and SR on the PUCCH on the primary carrier, and the access network device receives a second part of ACK/NACK and SR on the PUCCH secondary carrier.

Further, the access network equipment receives ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the main carrier; or the access network equipment receives ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the PUCCH secondary carrier.

It should be noted that, the ACK/NACK and the SR are received on the primary carrier or the PUCCH secondary carrier as mentioned above, that is, the potential existence of the SR is considered while receiving the ACK/NACK. For example, for PUCCH format 3 or a new PUCCH format, the access network device assumes that a position of 1 bit is reserved for SR on the PUCCH, and if the received SR bit is '0', it indicates that the UE has no uplink data transmission requirement; on the contrary, if the SR bit '1' is received, it indicates that the UE has a need for uplink data transmission. For example, for PUCCH format 1a or 1b, the access network device needs to perform ACK/NACK energy detection on both resources in PUCCH format 1 of SR and resources in PUCCH format 1a or 1b of ACK/NACK, and if the energy detection of the access network device on the resources in PUCCH format 1 exceeds a preset threshold, it indicates that the UE has an uplink data transmission requirement, and the access network device continues to receive ACK/NACK on the resources in PUCCH format 1; on the contrary, if the energy detection of the access network equipment on the resources of the PUCCH format 1a or 1b exceeds the preset threshold, it indicates that the UE does not have an uplink data transmission requirement, and the access network equipment continues to receive ACK/NACK on the resources of the PUCCH format 1a or 1 b.

Optionally, the determining, by the access network device, a reception configuration of an ACK/NACK and an SR on the primary carrier and on the PUCCH secondary carrier in an uplink subframe, and receiving, by the access network device, a PUCCH in the uplink subframe according to the reception configuration specifically includes: when ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures an SR for the primary carrier of the UE and does not configure an SR on the PUCCH secondary carrier, the access network device receives a first part of ACK/NACK and an SR on a PUCCH on the primary carrier, and the access network device receives a second part of ACK/NACK and an SR on a PUCCH on the PUCCH secondary carrier; or, when ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures an SR for the primary carrier of the UE but configures an SR for the PUCCH secondary carrier, the access network device receives a first part of ACK/NACK and an SR on a PUCCH on the primary carrier, and the access network device receives a second part of ACK/NACK and an SR on the PUCCH secondary carrier.

Optionally, the determining, by the access network device, a reception configuration of an ACK/NACK and an SR on the primary carrier and on the PUCCH secondary carrier in an uplink subframe, and receiving, by the access network device, a PUCCH in the uplink subframe according to the reception configuration specifically includes: when ACK/NACK (acknowledgement/negative acknowledgement) needs to be received on the primary carrier but not on the PUCCH secondary carrier, and the access network equipment configures SR on the PUCCH secondary carrier for the UE without configuring SR on the primary carrier, the access network equipment receives ACK/NACK and SR on the PUCCH on the primary carrier but does not receive SR on the PUCCH secondary carrier; or, when ACK/NACK does not need to be received on the primary carrier but ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures an SR on the primary carrier of the UE but does not configure an SR on the PUCCH secondary carrier, the access network device receives ACK/NACK and an SR on a PUCCH on the PUCCH secondary carrier but does not receive an SR on the PUCCH on the primary carrier.

The description of the specific embodiments is similar to the UE side method, and reference may be made to the description of each embodiment of the UE side, which is not repeated herein.

Fig. 6 is a user equipment provided in the present invention, which includes:

step 601: a processing module, configured to determine a primary carrier and a secondary carrier group, where the secondary carrier group includes at least one secondary carrier, the at least one secondary carrier includes at least one Physical Uplink Control Channel (PUCCH) secondary carrier, and the primary carrier and the PUCCH secondary carrier are configured to be capable of simultaneously transmitting PUCCH; the processing module is further configured to determine a transmission configuration of ACK/NACK and SR on the primary carrier and the PUCCH secondary carrier in an uplink subframe;

step 602: and a sending module, configured to send the PUCCH in the uplink subframe according to the sending configuration.

Through the user equipment, when the UE is configured with the dual PUCCH mode, the transmission of the SR and the ACK/NACK in the mode is realized, and the problem of the combined transmission of the SR and the ACK/NACK in the dual PUCCH mode is solved.

The description of the specific embodiments is similar to the UE side method, and reference may be made to the description of the embodiments described above, which is not repeated herein.

Fig. 7 is an access network device provided in the present invention, which includes:

step 701: a processing module, configured to determine a main carrier and an auxiliary carrier group of a User Equipment (UE), where the auxiliary carrier group includes at least one auxiliary carrier, the at least one auxiliary carrier includes at least one Physical Uplink Control Channel (PUCCH) auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are carriers capable of simultaneously transmitting a PUCCH and configured for the UE; the processing module is further configured to determine a reception configuration of ACK/NACK and SR on the primary carrier and on the PUCCH secondary carrier in an uplink subframe;

step 702: a receiving module, configured to receive the PUCCH in the uplink subframe according to the reception configuration.

Through the access network equipment, when the access network equipment configures a double PUCCH mode for the UE, the transmission of the SR and the ACK/NACK in the mode is realized, and the problem of the combined transmission of the SR and the ACK/NACK in the double PUCCH mode is solved.

The description of the specific embodiments is similar to that of the above-mentioned access network device side method, and reference may be made to the description of each of the above-mentioned embodiments, which is not described herein again.

It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a Long Term Evolution (LTE), a Frequency Division Duplex (FDD) System, a Time Division Duplex (TDD), a Universal Mobile telecommunications System (WiMAX), a Universal Mobile Telecommunications System (UMTS), a world wide microwave Access (world wide Access) communication System, and the like.

It should also be understood that, in the embodiment of the present invention, a User Equipment (User Equipment, abbreviated as "UE") may be referred to as a Terminal (Terminal), a Mobile Station (Mobile Station, abbreviated as "MS"), a Mobile Terminal (Mobile Terminal), and the like, and the User Equipment may communicate with one or more core networks via a Radio Access Network (RAN), for example, the User Equipment may be a Mobile phone (or referred to as a "cellular" phone), a computer with a Mobile Terminal, and the like, for example, the User Equipment may also be a portable, pocket, hand-held, computer-embedded, or vehicle-mounted Mobile device, and they exchange voice and/or data with the RAN.

In the embodiment of the present invention, the Base station may be a Base Transceiver Station (BTS) in GSM or CDMA, a Base station (NodeB, NB) in WCDMA, or an evolved Node B (ENB, e-NodeB) in LTE, which is not limited in the present invention. For convenience of description, the following embodiments will be described by taking a base station eNB and a user equipment UE as examples.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus, method and system can be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or modules may be combined or integrated into another system, or some features may be omitted, or not executed.

Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A method for transmitting uplink control information, comprising:

the method comprises the steps that User Equipment (UE) determines a main carrier and an auxiliary carrier group, wherein the auxiliary carrier group comprises at least one auxiliary carrier, the at least one auxiliary carrier comprises at least one Physical Uplink Control Channel (PUCCH) auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are configured to be capable of simultaneously transmitting PUCCH;

the UE transmits a PUCCH in the uplink subframe according to the transmission configuration;

wherein the content of the first and second substances,

the transmission configuration indicates that ACK/NACK needs to be transmitted on the primary carrier and ACK/NACK does not need to be transmitted on the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs; the UE transmits a PUCCH in the uplink subframe according to the transmission configuration, including: the UE transmits ACK/NACK and SR on PUCCH on the primary carrier, and does not transmit SR on PUCCH on the PUCCH secondary carrier; alternatively, the first and second electrodes may be,

the sending configuration indicates that ACK/NACK does not need to be sent on the primary carrier and ACK/NACK needs to be sent on the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE transmits ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and does not transmit SR on PUCCH on the primary carrier.

2. The method of claim 1,

the sending configuration indicates that ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE sends a first part of ACK/NACK and SR on the PUCCH on the main carrier, and the UE sends a second part of ACK/NACK and SR on the PUCCH auxiliary carrier.

3. The method according to any of claims 1 to 2, characterized in that the UE sends ACK/NACK and SR on PUCCH on the primary carrier; or, the UE sending ACK/NACK and SR on the PUCCH secondary carrier includes:

the UE sends ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the main carrier; alternatively, the first and second electrodes may be,

and the UE sends ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the PUCCH auxiliary carrier.

4. A method for transmitting uplink control information, comprising:

wherein the sending configuration indicates that ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and the primary carrier is configured with an SR and the PUCCH secondary carrier is not configured with an SR, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE sends a first part of ACK/NACK and SR on a PUCCH on the main carrier, and the UE sends a second part of ACK/NACK and SR on a PUCCH on the PUCCH auxiliary carrier; alternatively, the first and second electrodes may be,

the sending configuration indicates that ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and the primary carrier is not configured with an SR and the PUCCH secondary carrier is configured with an SR, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE sends a first part of ACK/NACK and SR on the PUCCH on the main carrier, and the UE sends a second part of ACK/NACK and SR on the PUCCH auxiliary carrier.

5. The method of claim 4, wherein the UE sends ACK/NACK and SR on PUCCH on the primary carrier; or, the UE sending ACK/NACK and SR on the PUCCH secondary carrier includes:

6. A method for transmitting uplink control information, comprising:

the sending configuration indicates that ACK/NACK needs to be sent on the primary carrier but ACK/NACK does not need to be sent on the PUCCH secondary carrier, and the primary carrier is not configured with an SR and the PUCCH secondary carrier is configured with an SR, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE transmits ACK/NACK and SR on PUCCH on the primary carrier, and does not transmit SR on PUCCH on the PUCCH secondary carrier; alternatively, the first and second electrodes may be,

the sending configuration indicates that ACK/NACK does not need to be sent on the primary carrier but ACK/NACK needs to be sent on the PUCCH secondary carrier, and the primary carrier is configured with an SR and the PUCCH secondary carrier is not configured with an SR, and the UE sends a PUCCH in the uplink subframe according to the sending configuration, including: the UE transmits ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and does not transmit SR on PUCCH on the primary carrier.

7. The method of claim 6, wherein the UE sends ACK/NACK and SR on PUCCH on the primary carrier; or, the UE sending ACK/NACK and SR on the PUCCH secondary carrier includes:

8. A method for receiving uplink control information, comprising:

the method comprises the steps that access network equipment determines a main carrier and an auxiliary carrier group of User Equipment (UE), wherein the auxiliary carrier group comprises at least one auxiliary carrier, the at least one auxiliary carrier comprises at least one Physical Uplink Control Channel (PUCCH) auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are carriers which are configured for the UE and can simultaneously transmit PUCCH;

the access network equipment determines the receiving configuration of feedback information and a Scheduling Request (SR) on the main carrier and the PUCCH auxiliary carrier in an uplink subframe, wherein the feedback information is acknowledgement or non-acknowledgement (ACK/NACK);

the access network equipment receives a PUCCH in the uplink subframe according to the receiving configuration;

wherein the content of the first and second substances,

the receiving configuration indicates that ACK/NACK needs to be received on the primary carrier and ACK/NACK does not need to be received on the PUCCH secondary carrier, and the access network device configures SRs for the UE on both the primary carrier and the PUCCH secondary carrier, and the access network device receives a PUCCH in the uplink subframe according to the receiving configuration, including: the access network equipment receives ACK/NACK and SR on PUCCH on the primary carrier, but does not receive SR on PUCCH on the PUCCH secondary carrier; alternatively, the first and second electrodes may be,

the receiving configuration indicates that ACK/NACK does not need to be received on the primary carrier and ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures SRs for the UE on both the primary carrier and the PUCCH secondary carrier, and the access network device receives the PUCCH in the uplink subframe according to the receiving configuration, including: the access network device receives ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and does not receive SR on PUCCH on the primary carrier.

9. The method of claim 8,

the receiving configuration indicates that the access network device needs to receive ACK/NACK on both the primary carrier and the PUCCH secondary carrier, and the access network device configures an SR for the UE on both the primary carrier and the PUCCH secondary carrier, and the access network device receives a PUCCH in the uplink subframe according to the receiving configuration, including: the access network equipment receives a first part of ACK/NACK and SR on a PUCCH on the main carrier, and the access network equipment receives a second part of ACK/NACK and SR on a PUCCH on the PUCCH auxiliary carrier.

10. The method according to any of claims 8 to 9, wherein the access network device receives ACK/NACK and SR on PUCCH on the primary carrier; or, the access network device receives ACK/NACK and SR on the PUCCH secondary carrier, including:

the access network equipment receives ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the main carrier; alternatively, the first and second electrodes may be,

and the access network equipment receives ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the PUCCH auxiliary carrier.

11. A method for receiving uplink control information, comprising:

wherein the content of the first and second substances,

the receiving configuration indicates that ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures an SR on the primary carrier of the UE and does not configure an SR on the PUCCH secondary carrier, and the access network device receives a PUCCH in the uplink subframe according to the receiving configuration, including: the access network equipment receives a first part of ACK/NACK and SR on a PUCCH on the main carrier, and the access network equipment receives a second part of ACK/NACK and SR on a PUCCH on the PUCCH auxiliary carrier; alternatively, the first and second electrodes may be,

when the receiving configuration indicates that ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device does not configure an SR on the primary carrier of the UE and configures an SR on the PUCCH secondary carrier, the access network device receives a PUCCH in the uplink subframe according to the receiving configuration, including: the access network equipment receives a first part of ACK/NACK and SR on a PUCCH on the main carrier, and the access network equipment receives a second part of ACK/NACK and SR on a PUCCH on the PUCCH auxiliary carrier.

12. The method of claim 11, wherein the access network device receives ACK/NACK and SR on PUCCH on the primary carrier; or, the access network device receives ACK/NACK and SR on the PUCCH secondary carrier, including:

13. A method for receiving uplink control information, comprising:

wherein the content of the first and second substances,

the receiving configuration indicates that ACK/NACK needs to be received on the primary carrier and ACK/NACK does not need to be received on the PUCCH secondary carrier, and the access network device configures no SR on the primary carrier of the UE and configures an SR on the PUCCH secondary carrier, and the access network device receives a PUCCH in the uplink subframe according to the receiving configuration, including: the access network equipment receives ACK/NACK and SR on PUCCH on the primary carrier, but does not receive SR on PUCCH on the PUCCH secondary carrier; alternatively, the first and second electrodes may be,

the receiving configuration indicates that ACK/NACK does not need to be received on the primary carrier and ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures an SR on the primary carrier of the UE and does not configure an SR on the PUCCH secondary carrier, and the access network device receives a PUCCH in the uplink subframe according to the receiving configuration, including: the access network device receives ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and does not receive SR on PUCCH on the primary carrier.

14. The method of claim 13, wherein the access network device receives ACK/NACK and SR on PUCCH on the primary carrier; or, the access network device receives ACK/NACK and SR on the PUCCH secondary carrier, including:

15. A User Equipment (UE), comprising:

a processing module, configured to determine a primary carrier and a secondary carrier group, where the secondary carrier group includes at least one secondary carrier, the at least one secondary carrier includes at least one Physical Uplink Control Channel (PUCCH) secondary carrier, and the primary carrier and the PUCCH secondary carrier are configured to be capable of simultaneously transmitting PUCCH;

the processing module is further configured to determine a transmission configuration of a scheduling request SR and feedback information on the primary carrier and on the PUCCH secondary carrier in an uplink subframe, where the feedback information is an acknowledgement or non-acknowledgement ACK/NACK;

a sending module, configured to send, by the UE, a PUCCH in the uplink subframe according to the sending configuration determined by the processing module;

wherein the content of the first and second substances,

the transmission configuration indicates that ACK/NACK needs to be transmitted on the primary carrier and ACK/NACK does not need to be transmitted on the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs, and the transmission module is configured to transmit a PUCCH in the uplink subframe according to the transmission configuration determined by the processing module as follows: transmitting ACK/NACK and SR on PUCCH on the primary carrier, and not transmitting SR on PUCCH on the PUCCH secondary carrier; alternatively, the first and second electrodes may be,

the transmission configuration indicates that ACK/NACK does not need to be transmitted on the primary carrier and ACK/NACK needs to be transmitted on the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs, and the transmission module is configured to transmit a PUCCH in the uplink subframe according to the transmission configuration determined by the processing module as follows: transmitting ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and not transmitting SR on PUCCH on the primary carrier.

16. The user equipment of claim 15,

the transmission configuration indicates that ACK/NACK needs to be transmitted on both the primary carrier and the PUCCH secondary carrier, and both the primary carrier and the PUCCH secondary carrier are configured with SRs, and the transmission module is configured to transmit a PUCCH in the uplink subframe according to the transmission configuration determined by the processing module as follows: and the UE transmits a first part of ACK/NACK and SR on the PUCCH on the main carrier, and transmits a second part of ACK/NACK and SR on the PUCCH secondary carrier.

17. The UE of any one of claims 15 to 16, wherein the transmitting module transmits ACK/NACK and SR on PUCCH on the primary carrier; or, transmitting ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier includes:

the sending module sends ACK/NACK and SR on PUCCH format 3 or new PUCCH format on the main carrier; alternatively, the first and second electrodes may be,

the sending module sends ACK/NACK and SR on PUCCH format 3 or new PUCCH format on the PUCCH secondary carrier.

18. A User Equipment (UE), comprising:

wherein the content of the first and second substances,

the transmission configuration indicates that ACK/NACK needs to be transmitted on both the primary carrier and the PUCCH secondary carrier, and the primary carrier is configured with an SR but the PUCCH secondary carrier is not configured with an SR, and the transmission module is configured to transmit a PUCCH in the uplink subframe according to the transmission configuration determined by the processing module as follows: transmitting a first part of ACK/NACK and SR on a PUCCH on the primary carrier, and transmitting a second part of ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier by the UE; alternatively, the first and second electrodes may be,

when ACK/NACK needs to be sent on both the primary carrier and the PUCCH secondary carrier, and an SR is not configured on the primary carrier but an SR is configured on the PUCCH secondary carrier, the sending module is configured to send a PUCCH in the uplink subframe according to the sending configuration determined by the processing module as follows: and the UE transmits a first part of ACK/NACK and SR on the PUCCH on the main carrier, and transmits a second part of ACK/NACK and SR on the PUCCH secondary carrier.

19. The UE of claim 18, wherein the transmitting module transmits ACK/NACK and SR on PUCCH on the primary carrier; or, transmitting ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier includes:

20. A User Equipment (UE), comprising:

wherein the content of the first and second substances,

the transmission configuration indicates that ACK/NACK needs to be transmitted on the primary carrier but ACK/NACK does not need to be transmitted on the PUCCH secondary carrier, and the primary carrier is not configured with an SR but the PUCCH secondary carrier is configured with an SR, and the transmitting module is configured to transmit a PUCCH in the uplink subframe according to the transmission configuration determined by the processing module as follows: transmitting ACK/NACK and SR on PUCCH on the primary carrier, and not transmitting SR on PUCCH on the PUCCH secondary carrier; alternatively, the first and second electrodes may be,

the transmission configuration indicates that ACK/NACK does not need to be transmitted on the primary carrier but ACK/NACK needs to be transmitted on the PUCCH secondary carrier, and the primary carrier is configured with an SR but the PUCCH secondary carrier is not configured with an SR, and the transmitting module is configured to transmit a PUCCH in the uplink subframe according to the transmission configuration determined by the processing module as follows: transmitting ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and not transmitting SR on PUCCH on the primary carrier.

21. The UE of claim 20, wherein the transmitting module transmits ACK/NACK and SR on PUCCH on the primary carrier; or, transmitting ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier includes:

22. An access network device, comprising:

a processing module, configured to determine a main carrier and an auxiliary carrier group of a User Equipment (UE), where the auxiliary carrier group includes at least one auxiliary carrier, the at least one auxiliary carrier includes at least one Physical Uplink Control Channel (PUCCH) auxiliary carrier, and the main carrier and the PUCCH auxiliary carrier are carriers capable of simultaneously transmitting a PUCCH and configured for the UE;

the processing module is further configured to determine a reception configuration of a scheduling request SR and feedback information on the primary carrier and on the PUCCH secondary carrier in an uplink subframe, where the feedback information is an acknowledgement or non-acknowledgement ACK/NACK;

a receiving module, configured to receive a PUCCH in the uplink subframe according to the reception configuration determined by the processing module;

wherein the receiving configuration indicates that ACK/NACK needs to be received on the primary carrier and ACK/NACK does not need to be received on the PUCCH secondary carrier, and the access network device configures SRs for the UE on both the primary carrier and the PUCCH secondary carrier, and the receiving module is specifically configured to receive the PUCCH in the uplink subframe according to the receiving configuration determined by the processing module in the following manner: receiving ACK/NACK and SR on PUCCH on the primary carrier without receiving SR on PUCCH on the PUCCH secondary carrier; alternatively, the first and second electrodes may be,

the receiving configuration indicates that ACK/NACK does not need to be received on the primary carrier and ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures SRs for the UE on both the primary carrier and the PUCCH secondary carrier, where the receiving module is specifically configured to receive the PUCCH in the uplink subframe according to the receiving configuration determined by the processing module in the following manner: receiving ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and not receiving SR on PUCCH on the primary carrier.

23. The access network apparatus of claim 22,

the receiving configuration indicates that ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures SRs for the UE on both the primary carrier and the PUCCH secondary carrier, and the receiving module is specifically configured to receive the PUCCH in the uplink subframe according to the receiving configuration determined by the processing module in the following manner: receiving a first partial ACK/NACK and SR on a PUCCH on the primary carrier, and receiving a second partial ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier by the access network equipment.

24. The access network device of claim 22 or 23, wherein the receiving module receives ACK/NACK and SR on PUCCH on the primary carrier; or, receiving ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier includes:

the receiving module receives ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the main carrier; alternatively, the first and second electrodes may be,

the receiving module receives ACK/NACK and SR on PUCCH format 3 or a new PUCCH format on the PUCCH secondary carrier.

25. An access network device, comprising:

wherein the content of the first and second substances,

the receiving configuration indicates that ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures an SR for the primary carrier of the UE and does not configure an SR for the PUCCH secondary carrier, where the receiving module is specifically configured to receive a PUCCH in the uplink subframe according to the receiving configuration determined by the processing module in the following manner: receiving a first partial ACK/NACK and SR on a PUCCH on the primary carrier, and receiving a second partial ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier by the access network equipment; alternatively, the first and second electrodes may be,

the receiving configuration indicates that ACK/NACK needs to be received on both the primary carrier and the PUCCH secondary carrier, and the access network device configures no SR on the primary carrier of the UE and configures an SR on the PUCCH secondary carrier, where the receiving module is specifically configured to receive a PUCCH in the uplink subframe according to the receiving configuration determined by the processing module in the following manner: receiving a first partial ACK/NACK and SR on a PUCCH on the primary carrier, and receiving a second partial ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier by the access network equipment.

26. The access network device of claim 25, wherein the receiving module receives ACK/NACK and SR on PUCCH on the primary carrier; or, receiving ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier includes:

27. An access network device, comprising:

wherein the content of the first and second substances,

the receiving module is specifically configured to receive a PUCCH in the uplink subframe according to the receiving configuration determined by the processing module in the following manner, where the receiving configuration indicates that ACK/NACK needs to be received on the primary carrier and ACK/NACK does not need to be received on the PUCCH secondary carrier, and the access network device does not configure an SR on the primary carrier of the UE and configures an SR on the PUCCH secondary carrier: receiving ACK/NACK and SR on PUCCH on the primary carrier without receiving SR on PUCCH on the PUCCH secondary carrier; alternatively, the first and second electrodes may be,

the receiving module is specifically configured to receive a PUCCH in the uplink subframe according to the receiving configuration determined by the processing module in the following manner, where the receiving configuration indicates that ACK/NACK does not need to be received on the primary carrier and ACK/NACK needs to be received on the PUCCH secondary carrier, and the access network device configures an SR on the primary carrier of the UE and does not configure an SR on the PUCCH secondary carrier: receiving ACK/NACK and SR on PUCCH on the PUCCH secondary carrier, and not receiving SR on PUCCH on the primary carrier.

28. The access network device of claim 27, wherein the receiving module receives ACK/NACK and SR on PUCCH on the primary carrier; or, receiving ACK/NACK and SR on a PUCCH on the PUCCH secondary carrier includes:

29. A computer-readable storage medium, characterized in that it stores a computer program which, when executed by hardware, is capable of implementing the method of any one of claims 1 to 7.

30. A computer-readable storage medium, characterized in that it stores a computer program which, when executed by hardware, is capable of implementing the method of any one of claims 8 to 14.