CN109474996B

CN109474996B - Communication method and device

Info

Publication number: CN109474996B
Application number: CN201710806856.1A
Authority: CN
Inventors: 谢信乾; 郭志恒
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-09-08
Filing date: 2017-09-08
Publication date: 2022-04-05
Anticipated expiration: 2037-09-08
Also published as: CN109474996A

Abstract

A communication method and equipment are used for reducing the collision probability of PUCCH. One of the communication methods comprises: the first network equipment configures a first offset value for the first terminal equipment; the first terminal device accesses the first network device in a frequency division duplex mode, and the first offset value is used for determining uplink control channel resources; the first network equipment configures a second offset value for second terminal equipment; the second terminal device accesses the first network device in a frequency division duplex mode, the second offset value is used for determining uplink control channel resources, and the first offset value is different from the second offset value.

Description

Communication method and device

Technical Field

The present application relates to the field of communications technologies, and in particular, to a communication method and device.

Background

Currently, a terminal device may send uplink control information to a network device through a Physical Uplink Control Channel (PUCCH) resource, and then the terminal device first obtains the PUCCH resource through calculation.

For example, for a terminal device operating in a Frequency Division Duplex (FDD) mode, the terminal device needs to use an offset when calculating the PUCCH resource

And a number of a Control Channel Element (CCE) to which scheduling information for scheduling downlink data belongs.

Disclosure of Invention

The application provides a communication method and equipment for reducing the collision probability of PUCCH.

In a first aspect, a method of communication is provided that is executable by a first network device, such as a base station. The method comprises the following steps: the first network equipment configures a first offset value for the first terminal equipment; the first terminal device accesses the first network device in a frequency division duplex mode, and the first offset value is used for determining uplink control channel resources of the first terminal device; the first network equipment configures a second offset value for second terminal equipment; the second terminal device accesses the first network device in a frequency division duplex mode, the second offset value is used for determining uplink control channel resources of the second terminal device, and the first offset value is different from the second offset value.

In one possible design, the first network device further configures the second offset value for the first terminal device; and the first network equipment sends first indication information to the first terminal equipment, wherein the first indication information is used for indicating the first terminal equipment to use the first offset value to determine the uplink control channel resource of the first terminal equipment.

In a second aspect, a method of communication is provided, the method being executable by a first terminal device. The method comprises the following steps: the first terminal device receiving a first offset value and a second offset value from the first network device; the first offset value and the second offset value are both used for determining uplink control channel resources, and the first terminal equipment is accessed to the first network equipment in a frequency division duplex mode; the first terminal equipment receives first indication information from the first network equipment; and the first terminal equipment determines that the first terminal equipment uses the first offset value to determine the uplink control channel resource of the first terminal equipment according to the first indication information.

In this embodiment of the present application, a first network device may configure a first offset value for a first terminal device and a second offset value for a second terminal device, where the first terminal device determines uplink control channel resources by using the first offset value, and the second terminal device determines uplink control channel resources by using the second offset value, and as can be known from a calculation formula of a PUCCH, if the offset values are different, the probability that the calculated uplink control channel resources are the same may be reduced, that is, the collision probability of the PUCCH may be effectively reduced by using the scheme provided in this embodiment of the present application.

In one possible design, the first network device further configures a feedback timing sequence for the first terminal device; the feedback time sequence is a corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, in the feedback time sequence, all downlink subframes of a wireless frame have corresponding uplink subframes, and the feedback information comprises ACK/NACK.

In one possible design, the first network device sends third indication information to the first terminal device, where the third indication information is used to indicate the feedback timing. Correspondingly, the first terminal device receives third indication information from the first network device; the first terminal device determines a feedback time sequence configured for the first terminal device by the first network device according to the third indication information; the feedback time sequence is a corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, in the feedback time sequence, all downlink subframes of a wireless frame have corresponding uplink subframes, and the feedback information comprises ACK/NACK.

The first network device may configure a feedback timing sequence for the first terminal device, and the first terminal device may send feedback information to the first network device according to the feedback timing sequence.

In one possible design, the configuring, by the first network device, the feedback timing sequence for the first terminal device includes: the first network device configures the feedback time sequence for the first terminal device according to a time division duplex configuration configured for the first terminal device by a second network device, the time division duplex configuration is used for indicating a corresponding relation between subframes and transmission directions of the subframes, the first terminal device is also accessed to the second network device in a time division multiplexing mode, and the first network device and the second network device support different wireless access technologies.

If the first terminal device is further connected to the second network device, the first terminal device is used as a DC terminal device, and the first network device can configure a feedback timing sequence for the first terminal device according to the tdd configuration configured for the first terminal device by the second network device, so that it is possible to avoid as much as possible that the first terminal device cannot send feedback information to the first network device in an uplink subframe configured for the first terminal device by the second network device, so that the first terminal device can send feedback information of more downlink subframes to the first network device as much as possible, the probability that the downlink subframes cannot be fed back is reduced, and system performance is improved.

In one possible design of the system,

the feedback sequence is that feedback information of an nth-8 downlink subframe, an nth-7 downlink subframe, an nth-6 downlink subframe, an nth-5 downlink subframe and an nth-4 downlink subframe is sent in an nth uplink subframe, and feedback information of an (n +5) -8 downlink subframe, an (n +5) -7 downlink subframe, an (n +5) -6 downlink subframe, an (n +5) -5 downlink subframe and an (n +5) -4 downlink subframe is sent in an n +5 uplink subframe; or,

the feedback sequence is that feedback information of an nth-6 downlink subframe, an nth-5 downlink subframe and an nth-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +4) -7 downlink subframe and a (n +4) -6 downlink subframe is sent in an nth +4 uplink subframe, feedback information of an (n +5) -6 downlink subframe, an (n +5) -5 downlink subframe and a (n +5) -4 downlink subframe is sent in an nth +5 uplink subframe, and feedback information of an (n +9) -7 downlink subframe and a (n +9) -6 downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback sequence is that feedback information of an nth-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +3) -6 downlink subframe and an (n +3) -5 downlink subframe is sent in an nth +3 uplink subframe, feedback information of an (n +4) -5 downlink subframe and an (n +4) -4 downlink subframe is sent in an nth +4 uplink subframe, feedback information of an (n +5) -4 downlink subframe is sent in an nth +5 uplink subframe, feedback information of an (n +8) -6 downlink subframe and an (n +8) -5 downlink subframe is sent in an nth +8 uplink subframe, and feedback information of an (n +9) -5 downlink subframe and an (n +9) -4 downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback sequence is that feedback information of an nth-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +5) -8 th downlink subframe and an (n +5) -7 th downlink subframe is sent in an nth +5 uplink subframe, feedback information of an (n +6) -7 th downlink subframe and an (n +6) -6 th downlink subframe is sent in an nth +6 uplink subframe, feedback information of an (n +7) -6 th downlink subframe and an (n +7) -5 th downlink subframe is sent in an nth +7 uplink subframe, feedback information of an (n +8) -5 th downlink subframe and an (n +8) -4 th downlink subframe is sent in an nth +8 uplink subframe, and feedback information of an (n +9) -4 th downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback time sequence is that the feedback information of the n-4 th downlink subframe is sent in the nth uplink subframe, transmitting feedback information of the (n +4) -7 th downlink sub-frame and the (n +4) -6 th downlink sub-frame in the n +4 th uplink sub-frame, transmitting feedback information of the (n +5) -6 th downlink sub-frame and the (n +5) -5 th downlink sub-frame in the n +5 th uplink sub-frame, transmitting feedback information of the (n +6) -5 th downlink sub-frame and the (n +6) -4 th downlink sub-frame in the n +6 th uplink sub-frame, transmitting feedback information of (n +7) -4 th downlink sub-frames in the n +7 th uplink sub-frame, transmitting feedback information of (n +8) -4 th downlink sub-frames in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

the feedback time sequence is that the feedback information of the n-4 th downlink subframe is sent in the nth uplink subframe, transmitting feedback information of (n +3) -6 th downlink sub-frames and (n +3) -5 th downlink sub-frames in the n +3 th uplink sub-frame, transmitting feedback information of the (n +4) -5 th downlink sub-frame and the (n +4) -4 th downlink sub-frame in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, transmitting feedback information of (n +7) -4 th downlink sub-frames in the n +7 th uplink sub-frame, transmitting feedback information of (n +8) -4 th downlink sub-frames in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

the feedback sequence is that feedback information of an nth-5 downlink subframe and an nth-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +5) -8 th downlink subframe, an (n +5) -7 th downlink subframe, an (n +5) -6 th downlink subframe, an (n +5) -5 th downlink subframe and an (n +5) -4 th downlink subframe is sent in an nth +5 uplink subframe, and feedback information of an (n +9) -7 th downlink subframe, an (n +9) -6 th downlink subframe and an (n +9) -5 th downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback time sequence is that the feedback information of the n-4 th downlink subframe is sent in the nth uplink subframe, transmitting feedback information of (n +1) -4 th downlink sub-frames in the n +1 th uplink sub-frame, transmitting feedback information of the (n +3) -5 th downlink sub-frame and the (n +3) -4 th downlink sub-frame in the n +3 th uplink sub-frame, transmitting feedback information of (n +4) -4 th downlink sub-frames in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, transmitting feedback information of the (n +8) -5 th downlink sub-frame and the (n +8) -4 th downlink sub-frame in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe;

wherein n is 0,1, … …, or 9.

As mentioned above, the feedback timing configured by the first network device for the first terminal device is only an example, and the feedback timing of the embodiment of the present application is not limited thereto.

In one possible design, the first network device further sends second indication information to the first terminal device, where the second indication information is used to indicate a value of n, or the second indication information is used to indicate an offset, and the offset is used to determine the value of n. Correspondingly, the first terminal device receives second indication information from the first network device; and the first terminal equipment determines the value of n according to the second indication information, or determines the offset according to the second indication information, wherein the offset is used for determining the value of n.

An offset may exist between the first network device and the second network device, for example, the 0 th subframe of the first network device may be the 2 nd subframe for the second network device, and therefore, for the first network device, in addition to the feedback timing, the value of n needs to be known, so that the true feedback timing can be determined. In this embodiment of the application, the first network device may further send second indication information to the first terminal device, where the second indication information may be used to indicate a value of n, and the first terminal device may directly determine the value of n after receiving the second indication information, which is relatively simple. Alternatively, the second indication information may also be used to indicate an offset, which may be understood as a time offset between the first network device and the second network device, and the offset may be used to determine a value of n, and after receiving the second indication information, the first terminal device may determine the value of n according to the reference quantity and the offset, for example, n is equal to the reference quantity + the offset. The reference quantity may be determined by the first network device itself, or notified to the first network device by the second network device, which is not limited in the embodiment of the present application. In addition, the first terminal device may store the reference amount in advance, for example, the first network device may send the reference amount to the first terminal device in advance, or the first network device may also send the reference amount to the first terminal device through the second indication information at the same time, which is not limited in the embodiment of the present application.

In a third aspect, a method of communication is provided that is executable by a first network device. The method comprises the following steps: the first network equipment configures a feedback time sequence for the first terminal equipment; the feedback time sequence is used for indicating the corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, in the feedback time sequence, all downlink subframes of a wireless frame have corresponding uplink subframes, the feedback information comprises ACK/NACK, in the feedback time sequence, each uplink subframe occupied by the first terminal equipment for sending the feedback information to the first network equipment has corresponding relation with the (n-4) th downlink subframe, at least one uplink subframe has corresponding relation with at least two downlink subframes, and the first terminal equipment is accessed to the first network equipment in a frequency division duplex mode; and the first network equipment sends first indication information to the first terminal equipment, wherein the first indication information is used for indicating the feedback time sequence.

In a fourth aspect, a communication method is provided that is executable by a first terminal device. The method comprises the following steps: the first terminal equipment receives first indication information from the first network equipment; the first terminal equipment determines a feedback time sequence configured for the first terminal equipment by the first network equipment according to the first indication information; the feedback time sequence is used for indicating the corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information and a downlink subframe corresponding to the feedback information, all downlink subframes of a wireless frame have corresponding uplink subframes in the feedback time sequence, the feedback information comprises ACK/NACK, the feedback time sequence is also used for indicating the corresponding relation between every uplink subframe occupied by the first terminal equipment for sending the feedback information and the n-4 th downlink subframe, at least one uplink subframe and at least two downlink subframes have corresponding relation, and the first terminal equipment is accessed into the first network equipment in a frequency division duplex mode.

In order to reduce the collision probability of the uplink control channel, the methods provided in the third and fourth aspects may be adopted in addition to the methods provided in the first and second aspects. In the feedback sequence, each uplink subframe occupied by the first terminal device for sending feedback information to the first network device has a corresponding relation with the (n-4) th downlink subframe, so that the probability of resource conflict of the uplink control channel calculated by the first terminal device and other terminal devices is reduced.

In one possible design of the system,

the feedback sequence is that feedback information of an nth-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +4) -7 th downlink subframe, an (n +4) -6 th downlink subframe, an (n +4) -5 th downlink subframe and an (n +4) -4 th downlink subframe is sent in an nth +4 uplink subframe, feedback information of an (n +5) -4 th downlink subframe is sent in an nth +5 uplink subframe, and feedback information of an (n +9) -7 th downlink subframe, an (n +9) -6 th downlink subframe, an (n +9) -5 th downlink subframe and an (n +9) -4 th downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback sequence is that feedback information of an nth-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +3) -6 downlink subframe, an (n +3) -5 downlink subframe and an (n +3) -4 downlink subframe is sent in an nth +3 uplink subframe, feedback information of an (n +4) -4 downlink subframe is sent in an nth +4 uplink subframe, feedback information of an (n +5) -4 downlink subframe is sent in an nth +5 uplink subframe, feedback information of an (n +8) -6 downlink subframe, an (n +8) -5 downlink subframe and feedback information of an (n +8) -4 downlink subframe are sent in an nth +8 uplink subframe, and feedback information of an (n +9) -4 downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback sequence is that feedback information of an n-th-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +5) -8 th downlink subframe, an (n +5) -7 th downlink subframe, an (n +5) -6 th downlink subframe, an (n +5) -5 th downlink subframe and feedback information of an (n +5) -4 th downlink subframe are sent in an nth +5 uplink subframe, feedback information of an (n +6) -4 th downlink subframe is sent in an nth +6 uplink subframe, feedback information of an (n +7) -4 th downlink subframe is sent in an nth +7 uplink subframe, feedback information of an (n +8) -4 th downlink subframe is sent in an nth +8 uplink subframe, and feedback information of an (n +9) -4 th downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback time sequence is that the feedback information of the n-4 th downlink subframe is sent in the nth uplink subframe, transmitting feedback information of (n +4) -7 th downlink sub-frame, (n +4) -6 th downlink sub-frame, (n +4) -5 th downlink sub-frame and (n +4) -4 th downlink sub-frame in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, transmitting feedback information of (n +7) -4 th downlink sub-frames in the n +7 th uplink sub-frame, transmitting feedback information of (n +8) -4 th downlink sub-frames in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

the feedback time sequence is that the feedback information of the n-4 th downlink subframe is sent in the nth uplink subframe, transmitting feedback information of (n +3) -6 th downlink sub-frame, (n +3) -5 th downlink sub-frame and (n +3) -4 th downlink sub-frame in the n +3 th uplink sub-frame, transmitting feedback information of (n +4) -4 th downlink sub-frames in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, transmitting feedback information of (n +7) -4 th downlink sub-frames in the n +7 th uplink sub-frame, transmitting feedback information of (n +8) -4 th downlink sub-frames in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

the feedback sequence is to send feedback information of an nth-4 downlink subframe at an nth uplink subframe, send feedback information of an (n +5) -8 th downlink subframe, an (n +5) -7 th downlink subframe, an (n +5) -6 th downlink subframe, an (n +5) -5 th downlink subframe and an (n +5) -4 th downlink subframe at an nth +5 uplink subframe, and send feedback information of an (n +9) -7 th downlink subframe, an (n +9) -6 th downlink subframe, an (n +9) -5 th downlink subframe and an (n +9) -4 th downlink subframe at an nth +9 uplink subframe; or,

wherein n is 0,1, … …, or 9.

For example, if n is equal to 0, in TDD configuration 0, uplink subframe 0 needs to feed back ACK/NACK of downlink data in 5 downlink subframes in total, n-4/n-5/n-6/n-7/n-8. In the prior art, when feeding back downlink data of different downlink subframes, selection ranges of PUCCH resources are different between a DC terminal device and the DC terminal device, for example, when the DC terminal device feeds back n-5, the selection range of PUCCH resources is different from the selection range of PUCCH resources fed back by the DC terminal device n-4, so that the DC terminal device may obtain different PUCCH resources when feeding back downlink data of different downlink subframes, while when an FDD terminal device and the DC terminal device feed back downlink data of the same downlink subframe, the selection ranges of PUCCH resources are the same, for example, when the DC terminal device feeds back n-4, the selection range of PUCCH resources is the same as the selection range of PUCCH resources fed back by the FDD terminal device n-4, so that when the FDD terminal device feeds back n-4 and the DC terminal device feeds back n-5, the selection ranges of PUCCH resources are different, the PUCCH resources calculated by the DC terminal device and the FDD terminal device will be different. Therefore, the collision probability of the FDD terminal equipment and the DC terminal equipment in the selection of the PUCCH resource can be reduced as much as possible.

In a fifth aspect, a network device is provided. The network device has the function of implementing the first network device in the above method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In one possible design, the particular architecture of the network device may include a processor. Optionally, the specific structure of the network device may further include a transceiver. The processor and the transceiver may perform the respective functions in the method provided by the first aspect or any one of the possible designs of the first aspect.

In a sixth aspect, a terminal device is provided. The terminal equipment has the function of realizing the first terminal equipment in the method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In one possible design, the specific structure of the terminal device may include a processor and a transceiver. The processor and the transceiver may perform the respective functions in the method provided by the second aspect or any one of the possible designs of the second aspect.

In a seventh aspect, a network device is provided. The network device has the function of implementing the first network device in the above method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In one possible design, the specific structure of the network device may include a processor and a transceiver. The processor and the transceiver may perform the respective functions in the method provided by the third aspect or any one of the possible designs of the third aspect.

In an eighth aspect, a terminal device is provided. The terminal equipment has the function of realizing the first terminal equipment in the method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In one possible design, the specific structure of the terminal device may include a processor and a transceiver. The processor and the transceiver may perform the respective functions in the method provided by the fourth aspect or any one of the possible designs of the fourth aspect.

In a ninth aspect, a network device is provided. The network device has the function of implementing the first network device in the above method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In one possible design, the specific structure of the network device may include a first processing module and a second processing module. Optionally, the specific structure of the network device may further include a transceiver module. The first processing module, the second processing module and the transceiver module may perform the respective functions in the method provided by the first aspect or any one of the possible designs of the first aspect.

In a tenth aspect, a terminal device is provided. The terminal equipment has the function of realizing the first terminal equipment in the method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In one possible design, the specific structure of the terminal device may include a processing module and a transceiver module. The processing module and the transceiver module may perform the respective functions in the method provided by the second aspect or any one of the possible designs of the second aspect.

In an eleventh aspect, a network device is provided. The network device has the function of implementing the first network device in the above method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In one possible design, the specific structure of the network device may include a processing module and a transceiver module. The processing module and the transceiver module may perform the respective functions in the method provided by the third aspect or any one of the possible designs of the third aspect.

In a twelfth aspect, a terminal device is provided. The terminal equipment has the function of realizing the first terminal equipment in the method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In one possible design, the specific structure of the terminal device may include a processing module and a transceiver module. The processing module and the transceiver module may perform the respective functions in the method provided by the fourth aspect or any one of the possible designs of the fourth aspect.

In a thirteenth aspect, a communication device is provided. The communication device may be the first network device in the above method design, or a chip disposed in the first network device. The communication device includes: a memory for storing computer executable program code; and a processor coupled with the memory. Wherein the program code stored in the memory comprises instructions which, when executed by the processor, cause the communication apparatus to perform the method performed by the first network device in the first aspect or any one of the possible designs of the first aspect.

In a fourteenth aspect, a communications apparatus is provided. The communication device may be the first terminal device in the above method design, or a chip provided in the first terminal device. The communication device includes: a memory for storing computer executable program code; and a processor coupled with the memory. Wherein the program code stored in the memory comprises instructions which, when executed by the processor, cause the communication apparatus to perform the method performed by the first terminal device in the second aspect or any one of the possible designs of the second aspect.

In a fifteenth aspect, a communications apparatus is provided. The communication device may be the first network device in the above method design, or a chip disposed in the first network device. The communication device includes: a memory for storing computer executable program code; and a processor coupled with the memory. Wherein the program code stored in the memory comprises instructions that, when executed by the processor, cause the communication apparatus to perform the method performed by the first network device in the third aspect or any one of the possible designs of the third aspect.

In a sixteenth aspect, a communication device is provided. The communication device may be the first terminal device in the above method design, or a chip provided in the first terminal device. The communication device includes: a memory for storing computer executable program code; and a processor coupled with the memory. Wherein the program code stored in the memory comprises instructions which, when executed by the processor, cause the communication apparatus to perform the method as performed by the first terminal device in the fourth aspect or any one of the possible designs of the fourth aspect.

In a seventeenth aspect, a communication system is provided that includes a first network device, a first terminal device, and a second terminal device. The first network device is configured to configure a first offset value for a first terminal device and configure a second offset value for a second terminal device, where the first terminal device accesses the first network device in a frequency division duplex manner, the first offset value is used to determine uplink control channel resources, the second terminal device accesses the first network device in a frequency division duplex manner, the second offset value is used to determine uplink control channel resources, and the first offset value is different from the second offset value; the first terminal device is configured to receive a first offset value and a second offset value from a first network device, receive first indication information from the first network device, and determine, according to the first indication information, that the first terminal device determines an uplink control channel resource using the first offset value, where the first offset value and the second offset value are both used to determine the uplink control channel resource, and the first terminal device accesses the first network device in a frequency division duplex manner; the second terminal device is configured to receive a second offset value from the first network device.

In an eighteenth aspect, a communication system is provided that includes a first network device and a first terminal device. Wherein the first network device is configured to configure a feedback timing sequence for a first terminal device and send first indication information to the first terminal device, the first indication information is used for indicating the feedback time sequence, the feedback time sequence is used for indicating the corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, in the feedback timing, the feedback information can correspond to all downlink subframes in a radio frame, in the feedback time sequence, each uplink subframe occupied by the first terminal device for sending feedback information to the first network device has a corresponding relationship with the (n-4) th downlink subframe, at least one uplink subframe has a corresponding relationship with at least two downlink subframes, and the first terminal device is accessed to the first network device in a frequency division duplex mode; the first terminal device is configured to receive first indication information from a first network device, and determine a feedback timing sequence configured for the first terminal device by the first network device according to the first indication information, the feedback timing sequence is a corresponding relation between an uplink subframe occupied by the first terminal device for sending feedback information to the first network device and a downlink subframe corresponding to the feedback information, in the feedback timing, the feedback information can correspond to all downlink subframes in a radio frame, in the feedback time sequence, each uplink subframe occupied by the first terminal device for sending feedback information to the first network device has a corresponding relation with the (n-4) th downlink subframe, at least one uplink subframe has a corresponding relation with at least two downlink subframes, and the first terminal device is accessed to the first network device in a frequency division duplex mode.

A nineteenth aspect provides a computer storage medium having stored therein instructions that, when run on a computer, cause the computer to perform the method of the first aspect described above or any one of the possible designs of the first aspect.

A twentieth aspect provides a computer storage medium having stored therein instructions which, when run on a computer, cause the computer to perform the method as set forth in the second aspect or any one of the possible designs of the second aspect.

A twenty-first aspect provides a computer storage medium having stored therein instructions that, when run on a computer, cause the computer to perform the method as set forth in the third aspect or any one of the possible designs of the third aspect.

In a twenty-second aspect, there is provided a computer storage medium having stored therein instructions that, when run on a computer, cause the computer to perform the method of the fourth aspect described above or any one of the possible designs of the fourth aspect.

A twenty-third aspect provides a computer program product comprising instructions stored thereon, which when run on a computer, cause the computer to perform the method of the first aspect or any one of the possible designs of the first aspect.

A twenty-fourth aspect provides a computer program product comprising instructions stored thereon, which when run on a computer, cause the computer to perform the method as set forth in the second aspect or any one of the possible designs of the second aspect.

A twenty-fifth aspect provides a computer program product comprising instructions stored thereon, which when run on a computer, cause the computer to perform the method of the third aspect or any one of the possible designs of the third aspect.

A twenty-sixth aspect provides a computer program product comprising instructions stored thereon, which when run on a computer, cause the computer to perform the method of the fourth aspect or any one of the possible designs of the fourth aspect.

In the embodiment of the application, the first terminal equipment determines the uplink control channel resource by adopting the first offset value, and the second terminal equipment determines the uplink control channel resource by adopting the second offset value, so that the collision probability of the PUCCH can be effectively reduced.

Drawings

FIG. 1 is a timing diagram of ACK/NACK transmission by a DC terminal device;

FIG. 2 is another timing diagram illustrating ACK/NACK transmissions by the DC endpoint device;

fig. 3A is a schematic diagram of the DC terminal device transmitting ACK/NACK of PDSCH received by the 2 nd downlink subframe in the 8 th uplink subframe;

fig. 3B is a schematic diagram of FDD terminal equipment sending ACK/NACK of PDSCH received by the 4 th downlink subframe in the 8 th uplink subframe;

fig. 4 is a schematic view of an application scenario according to an embodiment of the present application;

fig. 5 is a flowchart of a communication method according to an embodiment of the present application;

fig. 6 is a flowchart of another communication method provided in the embodiments of the present application;

fig. 7 is a schematic structural diagram of a first network device according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a first terminal device according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a first network device according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of a first terminal device according to an embodiment of the present application;

fig. 11A-11B are schematic structural diagrams of a communication device according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.

Hereinafter, some terms in the embodiments of the present application are explained to facilitate understanding by those skilled in the art.

1) Terminal equipment, including devices that provide voice and/or data connectivity to a user, may include, for example, handheld devices with wireless connection capability or processing devices connected to wireless modems. The terminal device may communicate with a core network via a Radio Access Network (RAN), exchanging voice and/or data with the RAN. The terminal device may include a User Equipment (UE), a wireless terminal device, a mobile terminal device, a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile), a remote station (remote station), an Access Point (AP), a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), a user equipment (user device), or the like. For example, mobile phones (or so-called "cellular" phones), computers with mobile terminal equipment, portable, pocket, hand-held, computer-included or vehicle-mounted mobile devices, smart wearable devices, and the like may be included. For example, Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), smart watches, smart helmets, smart glasses, smart bracelets, and the like. Also included are constrained devices, such as devices that consume less power, or devices that have limited storage capabilities, or devices that have limited computing capabilities, etc. Examples of information sensing devices include bar codes, Radio Frequency Identification (RFID), sensors, Global Positioning Systems (GPS), laser scanners, and the like.

2) A network device, e.g., including a base station (e.g., access point), may refer to a device in an access network that communicates over the air-interface, through one or more cells, with wireless terminal devices. The base station may be configured to interconvert received air frames and Internet Protocol (IP) packets as a router between the terminal device and the rest of the access network, which may include an IP network. The base station may also coordinate management of attributes for the air interface. For example, the base station may include an evolved Node B (NodeB, eNB, or e-NodeB) in a Long Term Evolution (LTE) system or an evolved LTE system (LTE-Advanced, LTE-a), or may also include a next generation Node B (gNB) in a fifth generation mobile communication system (5G) NR system, which is not limited in the embodiments of the present disclosure.

3) The uplink control channel is, for example, a physical uplink control channel, or may be another uplink control channel. One physical uplink control channel is, for example, PUCCH. For example, if the uplink control channel is PUCCH, the uplink control channel resource is PUCCH resource.

4) The terms "system" and "network" in the embodiments of the present application may be used interchangeably. The "plurality" means two or more, and in view of this, the "plurality" may also be understood as "at least two" in the embodiments of the present application. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" generally indicates that the preceding and following related objects are in an "or" relationship, unless otherwise specified.

Unless stated to the contrary, the embodiments of the present application refer to the ordinal numbers "first", "second", etc., for distinguishing between a plurality of objects, and do not limit the sequence, timing, priority, or importance of the plurality of objects.

The technical solution provided herein may be applied to a scenario in which systems supporting two Radio Access Technologies (RATs) are deployed simultaneously, for example, a 5G New radio interface (NR) system (hereinafter, referred to as an NR system) and an LTE system are deployed simultaneously, or two other communication systems are deployed simultaneously.

In the development and evolution process of wireless communication systems, an NR system and an LTE system may be deployed simultaneously on a frequency band below 6 GHz. At present, an NR system is most likely to be deployed at a frequency point of 3.5GHz, and a terminal device operating in a NR and LTE Dual Connectivity (DC) mode is supported in the system, that is, the terminal device may operate in an LTE system and an NR system at the same time. A typical deployment manner is that the NR system is deployed on a Time Division Duplex (TDD) with a Frequency of 3.5GHz, and the LTE system is deployed on a Frequency Division Duplex (FDD) carrier with a Frequency of 1.8 GHz.

In the deployment scenario, when the terminal device simultaneously transmits uplink signals to the network device of the NR system at 3.5GHz and to the network device of the LTE system at 1.8GHz, due to the problem of cross modulation between the 3.5GHz and 1.8GHz signals, the performance of the terminal device for receiving downlink signals of the LTE system at a frequency point of 1.8GHz may be seriously affected. In order to avoid the influence of cross modulation on the performance, and meanwhile, the influence is limited by the capacity, the transmitting power and other factors of the terminal equipment, for the terminal equipment working in the dual-connection mode of the LTE system and the NR system, the terminal equipment only sends uplink signals on one frequency point at the same time, namely when the terminal equipment sends the uplink signals on 3.5GHz, the terminal equipment does not send the uplink signals on 1.8GHz frequency points, and vice versa.

On a frequency point of 3.5GHz, the NR system operates in a TDD mode, and the number of uplink timeslots is usually less than that of downlink timeslots, so that each uplink timeslot needs to be used for a terminal device to feed back a positive Acknowledgement (ACK)/Negative Acknowledgement (NACK) of a received downlink signal to a network device. At this time, since the terminal device only supports transmitting the uplink signal on one frequency point, the terminal device cannot transmit the signal on the uplink subframe/time slot of the LTE system which has time overlap with the uplink time slot of the NR system. Specifically, as shown in fig. 1, a terminal device operating in the DC mode needs to send ACK/NACK of the NR system in time slots labeled "U" and "S" on an NR TDD carrier, so that signals cannot be sent on LTE subframes labeled "1", "2", "6", and "7", which affects uplink performance of the LTE system. Meanwhile, the terminal equipment in the LTE FDD mode adopts an ACK/NACK feedback time sequence of N-4, namely the terminal equipment feeds back the ACK/NACK of the downlink data received in the downlink subframe with the number of N-4 in the uplink subframe with the number of N. In the situation shown in fig. 1, the terminal device cannot transmit uplink signals on the subframes "6" and "7" on the LTE UL carrier, and the terminal device cannot feed back downlink signals received on the downlink subframe corresponding to ACK/NACK, that is, the subframes "2" and "3", which seriously affects the performance of the LTE system.

For this reason, the network device in the LTE system configures a feedback timing sequence for feeding back ACK/NACK for the terminal device operating in the DC mode, where the feedback timing sequence is the same as a feedback timing sequence used when the terminal device adopts TDD-FDD carrier aggregation and the TDD carrier is a main carrier, and the feedback timing sequence may be as shown in table 1:

TABLE 1

The meanings of table 1 are to be understood as: taking Downlink (DL) -associated (reference) Uplink (UL)/DL configuration (configuration)0 as an example, the 0 th subframe, the 1 st subframe, the 5 th sub-frame and the 6 th sub-frame are not used for sending ACK/NACK, the 2 nd sub-frame can feed back ACK/NACK of the n-5 th downlink sub-frame and the n-6 th downlink sub-frame, the 3rd sub-frame can feed back ACK/NACK of the n-4 th downlink sub-frame and the n-5 th downlink sub-frame, the 4 th sub-frame can feed back ACK/NACK of the n-4 th downlink sub-frame, the 7 th sub-frame can feed back ACK/NACK of the n-6 th downlink sub-frame and the n-5 th downlink sub-frame, the 8 th sub-frame can feed back ACK/NACK of the n-5 th downlink sub-frame and the n-4 th downlink sub-frame, and the 9 th sub-frame can feed back ACK/NACK of the n-4 th downlink sub-frame. The ACK/NACK of the downlink subframe refers to an ACK/NACK generated by the terminal device for the received downlink data after receiving the downlink data in the downlink subframe. The uplink subframe is used to send ACK/NACK to the network device.

With this method, in the case of fig. 1, for example, if a network device of the LTE system configures DL-reference UL/DL configuration 0 for a terminal device in DC mode (hereinafter referred to as DC terminal device), the feedback timing of the DC terminal device to the LTE system may be as shown in fig. 2. As can be seen from fig. 2, after the method is adopted, the

downlink subframes

2 and 3 of the LTE system can normally transmit downlink data, so that the loss of downlink transmission of the LTE system is avoided as much as possible. In fig. 2, D denotes a downlink subframe, U denotes an uplink subframe, and S denotes a special subframe.

For the DC terminal device, since the feedback timing is the same as the feedback timing used in the case where the TDD-FDD carrier is aggregated and the TDD carrier is the primary carrier, the resource of the PUCCH used by the DC terminal device to transmit ACK/NACK also needs to be calculated by a camera adaptive method.

Scheduling information for scheduling downlink data is needed when DC terminal equipment calculates PUCCH resourcesNumber and offset of CCE to which information belongs

Specifically, the PUCCH resource calculation method of the DC terminal device may refer to a third generation partnership project (3 GPP) protocol TS 36.213. For a terminal device operating in FDD mode in LTE system (hereinafter referred to as FDD terminal device), it also needs to use the number of CCE to which scheduling information for scheduling downlink data belongs and the number of CCE used for calculating PUCCH resources

It can be seen that although the formulas for calculating the PUCCH resource are different between the DC terminal device and the FDD terminal device, the calculation methods are related to the number of CCE to which the scheduling information for scheduling downlink data belongs, and the offset, i.e. the offset used

Are the same. Then, referring to fig. 3A, if the DC terminal device needs to transmit ACK/NACK of a Physical Downlink Shared Channel (PDSCH) received by the 2 nd downlink subframe in the 8 th uplink subframe, and referring to fig. 3B, the FDD terminal device needs to transmit ACK/NACK of a PDSCH received by the 4 th downlink subframe in the 8 th uplink subframe, if the number of CCEs used by the LTE base station when the DC terminal device is scheduled to receive the PDSCH in the 2 nd downlink subframe is the same as the number of CCEs used when the FDD terminal device is scheduled to receive the PDSCH in the 4 th downlink subframe, the PUCCH resource calculated by the DC terminal device and the PUCCH resource calculated by the FDD terminal device may be the same. Since one PUCCH resource can be used only by one terminal device, the PUCCH of the DC terminal device and the PUCCH of the FDD terminal device will collide at this time.

In view of this, the technical solution provided in the embodiment of the present application is helpful to reduce the collision between the PUCCH of the DC terminal device and the PUCCH of the FDD terminal device, so as to avoid affecting the downlink performance of the LTE system as much as possible.

Please refer to fig. 4, which is a schematic view of an application scenario according to an embodiment of the present application. Fig. 4 includes two network devices and two terminal devices, where the network device 1 supports a first radio access technology, for example NR, and the network device 2 supports a second radio access technology, for example LTE, and the two network devices are deployed simultaneously, the terminal device 1 is accessed to the network device 1 and the network device 2 simultaneously, that is, the terminal device 1 operates in the DC mode, and the terminal device 2 is accessed to the network device 2, for example, the terminal device 2 operates in the FDD mode. It should be noted that the network device of the LTE system and the network device of the NR system may be deployed on the same site, or may be deployed on different sites. Moreover, when deployed on the same site, the network device of the LTE system and the network device of the NR system may share the same hardware device, or may use different hardware devices.

The network device in fig. 4 is, for example, AN Access Network (AN) device, such as a base station, which communicates with a terminal device, receives data sent by the terminal device, and may send the received data to a core network device. In this embodiment, since the scheme of the present application mainly relates to an access network device and a terminal device, a core network device is not shown in fig. 4.

The access network device corresponds to different devices in different systems, for example, in a fourth generation mobile communication technology (4G) system, the access network device may correspond to an eNB, and in a 5G system, the access network device in 5G corresponds to the access network device in 5G, where the access network device in 5G currently has no formal name, for example, a gNB or the like.

The technical scheme provided by the embodiment of the application is described below with reference to the accompanying drawings.

Referring to fig. 5, an embodiment of the present application provides a communication method, and in the following description, the method provided by the embodiment of the present application is applied to the application scenario shown in fig. 4 as an example.

And S51, the first network equipment configures a feedback time sequence for the first terminal equipment. The feedback time sequence is used for representing the corresponding relation between an uplink subframe occupied by the first terminal device for sending feedback information to the first network device and a downlink subframe corresponding to the feedback information, and the feedback information is sent to the first network device through uplink control channel resources.

As an example, the feedback timing configured by the first network device for the first terminal device may include at least one shown in table 2 as follows:

TABLE 2

For example, it can be understood that the feedback timing numbered 2 in table 2 is that feedback information of the n-8 th downlink subframe, the n-7 th downlink subframe, the n-6 th downlink subframe, the n-5 th downlink subframe, and the n-4 th downlink subframe is transmitted in the nth uplink subframe, and feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe, and the (n +5) -4 th downlink subframe is transmitted in the n +5 th uplink subframe. The nth-x subframe is a subframe shifted forward by x from the nth subframe of the radio frame, and the nth-x subframe is a subframe in the previous radio frame. For example, the (n-1) th subframe indicates the (n +9) th subframe in the previous radio frame.

Or, as another example, the feedback timing configured by the first network device for the first terminal device may also include at least one shown in table 3 below:

TABLE 3

As can be seen from table 3, the feedback sequence numbered 0 is to transmit the feedback information of the n-8 th downlink subframe, the n-7 th downlink subframe, the n-6 th downlink subframe, the n-5 th downlink subframe, and the n-4 th downlink subframe in the nth uplink subframe, and to transmit the feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe, and the (n +5) -4 th downlink subframe in the n +5 th uplink subframe; or,

the feedback sequence numbered 1 is that feedback information of the (n-6) th downlink subframe, the (n-5) th downlink subframe and the (n +4) -6 th downlink subframe is sent in the nth uplink subframe, feedback information of the (n +4) -7 th downlink subframe and the (n +4) -6 th downlink subframe is sent in the (n +4) th uplink subframe, feedback information of the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe and the (n +5) -4 th downlink subframe is sent in the (n +5) th uplink subframe, and feedback information of the (n +9) -7 th downlink subframe and the (n +9) -6 th downlink subframe is sent in the n +9 th uplink subframe; or,

the feedback sequence numbered 2 is that feedback information of an nth-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +3) -6 downlink subframe and an (n +3) -5 downlink subframe is sent in an nth +3 uplink subframe, feedback information of an (n +4) -5 downlink subframe and an (n +4) -4 downlink subframe is sent in an nth +4 uplink subframe, feedback information of an (n +5) -4 downlink subframe is sent in an nth +5 uplink subframe, feedback information of an (n +8) -6 downlink subframe and an (n +8) -5 downlink subframe is sent in an nth +8 uplink subframe, and feedback information of an (n +9) -5 downlink subframe and an (n +9) -4 downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback sequence numbered 3 is that feedback information of an nth-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +5) -8 th downlink subframe and an (n +5) -7 th downlink subframe is sent in an nth +5 uplink subframe, feedback information of an (n +6) -7 th downlink subframe and an (n +6) -6 th downlink subframe is sent in an nth +6 uplink subframe, feedback information of an (n +7) -6 th downlink subframe and an (n +7) -5 th downlink subframe is sent in an nth +7 uplink subframe, feedback information of an (n +8) -5 th downlink subframe and an (n +8) -4 th downlink subframe is sent in an nth +8 uplink subframe, and feedback information of an (n +9) -4 th downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback sequence numbered 4 is to transmit the feedback information of the nth-4 th downlink subframe in the nth uplink subframe, transmitting feedback information of the (n +4) -7 th downlink sub-frame and the (n +4) -6 th downlink sub-frame in the n +4 th uplink sub-frame, transmitting feedback information of the (n +5) -6 th downlink sub-frame and the (n +5) -5 th downlink sub-frame in the n +5 th uplink sub-frame, transmitting feedback information of the (n +6) -5 th downlink sub-frame and the (n +6) -4 th downlink sub-frame in the n +6 th uplink sub-frame, transmitting feedback information of (n +7) -4 th downlink sub-frames in the n +7 th uplink sub-frame, transmitting feedback information of (n +8) -4 th downlink sub-frames in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

the feedback sequence numbered 5 is to transmit the feedback information of the n-4 th downlink subframe in the nth uplink subframe, transmitting feedback information of (n +3) -6 th downlink sub-frames and (n +3) -5 th downlink sub-frames in the n +3 th uplink sub-frame, transmitting feedback information of the (n +4) -5 th downlink sub-frame and the (n +4) -4 th downlink sub-frame in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, transmitting feedback information of (n +7) -4 th downlink sub-frames in the n +7 th uplink sub-frame, transmitting feedback information of (n +8) -4 th downlink sub-frames in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

the feedback sequence numbered 6 is to transmit the feedback information of the nth-5 downlink subframe and the nth-4 downlink subframe in the nth uplink subframe, transmit the feedback information of the (n +5) -8 downlink subframe, the (n +5) -7 downlink subframe, the (n +5) -6 downlink subframe, the (n +5) -5 downlink subframe and the (n +5) -4 downlink subframe in the nth +5 uplink subframe, and transmit the feedback information of the (n +9) -7 downlink subframe, the (n +9) -6 downlink subframe and the (n +9) -5 downlink subframe in the nth +9 uplink subframe; or,

the feedback sequence numbered 7 is to transmit the feedback information of the n-4 th downlink subframe in the nth uplink subframe, transmitting feedback information of (n +1) -4 th downlink sub-frames in the n +1 th uplink sub-frame, transmitting feedback information of the (n +3) -5 th downlink sub-frame and the (n +3) -4 th downlink sub-frame in the n +3 th uplink sub-frame, transmitting feedback information of (n +4) -4 th downlink sub-frames in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, transmitting feedback information of the (n +8) -5 th downlink sub-frame and the (n +8) -4 th downlink sub-frame in the n +8 th uplink sub-frame, and transmitting the feedback information of the (n +9) -4 th downlink subframe in the n +9 th uplink subframe.

Wherein n is 0,1, … …, or 9. The number of the feedback timing is only for distinguishing different feedback timings, and does not represent a limitation on the feedback timing.

In the feedback sequence, the value ranges of n may be the same or different. For example, n may take one of 0,1, 2, 3, and 4 for one of the feedback timings, and n may take one of 0,1, 2, 3, 4, 5, 6, 7, 8, and 9 for another feedback timing, and of course, n may take other values from 0 to 9, which is not limited herein.

As an explanation of the foregoing concept, the feedback timing is a corresponding relationship between an uplink subframe occupied by the first terminal device for sending feedback information to the first network device and a downlink subframe corresponding to the feedback information, and can be understood as follows: for example, for the feedback sequence numbered 7, including sending the feedback information of the nth-4 th downlink subframe in the nth uplink subframe, the nth uplink subframe and the nth-4 th downlink subframe have a corresponding relationship.

In addition, in this embodiment of the present application, the first terminal device may further access the second network device in a TDD manner, and then the first network device may also configure a feedback time sequence for the first terminal device according to the TDD configuration configured for the first terminal device by the second network device, for example, the second network device may send the TDD configuration configured for the first terminal device to the first network device.

The feedback timing sequences corresponding to different tdd configurations may be different or may also be the same. The time division duplex configuration is used for indicating a corresponding relation between subframes and transmission directions of the subframes, and the first network equipment and the second network equipment support different wireless access technologies. In the following, for example, the first network device supports LTE, and the second network device supports NR, that is, the first terminal device is a DC terminal device. In addition, hereinafter, the time division duplex configuration is also referred to as a TDD configuration.

For example, the TDD configurations supported by the second network device may include 7 TDD configurations in the LTE system, as shown in table 4:

TABLE 4

Alternatively, the TDD configuration supported by the second network device may also include other configurations, as shown in table 5, where the period is 5ms, and there is only one uplink in each period:

TABLE 5

In tables 4 and 5, D represents a downlink subframe, U represents an uplink subframe, and S represents a special subframe.

Referring to the TDD configuration in table 5 as configuration 7, as can be seen from tables 2 and 3, the TDD configurations supported by the second network device include configuration 0, configuration 1, configuration 2, configuration 3, configuration 4, configuration 5, and configuration 6 in table 4, and include configuration 7 in table 5. Wherein,

configuring 0 for indicating that one wireless frame comprises a 0 th downlink subframe, a 1 st special subframe, a 2 nd uplink subframe, a 3rd uplink subframe, a 4 th uplink subframe, a 5 th downlink subframe, a 6 th special subframe, a 7 th uplink subframe, an 8 th uplink subframe and a 9 th uplink subframe;

configuration 1 is used for indicating that one wireless frame comprises a 0 th downlink subframe, a 1 st special subframe, a 2 nd uplink subframe, a 3rd uplink subframe, a 4 th downlink subframe, a 5 th downlink subframe, a 6 th special subframe, a 7 th uplink subframe, an 8 th uplink subframe and a 9 th downlink subframe;

configuring 2 for indicating that one wireless frame comprises a 0 th downlink subframe, a 1 st special subframe, a 2 nd uplink subframe, a 3rd downlink subframe, a 4 th downlink subframe, a 5 th downlink subframe, a 6 th special subframe, a 7 th uplink subframe, an 8 th downlink subframe and a 9 th downlink subframe;

configuring 3 for indicating that one wireless frame comprises a 0 th downlink subframe, a 1 st special subframe, a 2 nd uplink subframe, a 3rd uplink subframe, a 4 th uplink subframe, a 5 th downlink subframe, a 6 th downlink subframe, a 7 th downlink subframe, an 8 th downlink subframe and a 9 th downlink subframe;

configuration 4 is used for indicating that one wireless frame comprises a 0 th downlink subframe, a 1 st special subframe, a 2 nd uplink subframe, a 3rd uplink subframe, a 4 th downlink subframe, a 5 th downlink subframe, a 6 th downlink subframe, a 7 th downlink subframe, an 8 th downlink subframe and a 9 th downlink subframe;

configuration 5 is used for indicating that one wireless frame comprises a 0 th downlink subframe, a 1 st special subframe, a 2 nd uplink subframe, a 3rd downlink subframe, a 4 th downlink subframe, a 5 th downlink subframe, a 6 th downlink subframe, a 7 th downlink subframe, an 8 th downlink subframe and a 9 th downlink subframe;

configuration 6 is used for indicating that one wireless frame comprises a 0 th downlink subframe, a 1 st special subframe, a 2 nd uplink subframe, a 3rd uplink subframe, a 4 th uplink subframe, a 5 th downlink subframe, a 6 th special subframe, a 7 th uplink subframe, an 8 th uplink subframe and a 9 th downlink subframe;

configuration 7 is used to indicate that one radio frame includes the 0 th downlink subframe, the 1 st downlink subframe, the 2 nd uplink subframe, the 3rd downlink subframe, the 4 th downlink subframe, the 5 th downlink subframe, the 6 th downlink subframe, the 7 th uplink subframe, the 8 th downlink subframe, and the 9 th downlink subframe.

In this embodiment, the TDD configuration configured by the second network device for the first terminal device may include at least one of configuration 0, configuration 1, configuration 2, configuration 3, configuration 4, configuration 5, configuration 6, and configuration 7.

In addition, as an explanation of the foregoing concept, TDD configuration is used to indicate correspondence between subframes and transmission directions of the subframes, and it can be understood that: for example, configuration 7 indicates that the 0 th downlink subframe is included in one radio frame, that is, configuration 7 indicates that the 0 th subframe has a corresponding relationship with the downlink transmission direction.

For the TDD configuration of the 8 NR network devices described above, the feedback timing determined by the first network device may include at least one of the feedback timing numbered 0 to the feedback timing numbered 6 shown in table 2 above. Specifically, at least one feedback timing sequence in table 2 may be established, and the feedback timing sequence determined by the first network device may include at least one feedback timing sequence established in table 2. Specifically, the corresponding relationship between the TDD configuration and the feedback timing may include at least one of the following corresponding relationships shown in table 6:

TABLE 6

TDD CONFIGURATION OF NR-NETWORK DEVICES	Feedback timing determined by LTE network equipment
		Configuration
0	2
		Configuration 1	1
Configuration 2	0
		Configuration 3	2
Configuration 4	1
		Configuration 5	0
Configuration 6	2
		Arrangement 7	2

Among them, the TDD configuration of the NR network device in table 6 can refer to tables 4 and 5, and the number of the feedback timing represents the number of the feedback timing in table 2. For example, if the TDD configuration configured for the first terminal device by the second network device is configured to be 0, the first network device may configure the feedback timing numbered 2 in table 1 for the first terminal device according to table 2, that is, transmit feedback information of the n-8 th downlink subframe, the n-7 th downlink subframe, the n-6 th downlink subframe, the n-5 th downlink subframe, and the n-4 th downlink subframe in the nth uplink subframe, and transmit feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe, and the (n +5) -4 th downlink subframe in the n +5 uplink subframe.

Or, the first network device may configure, according to the TDD configuration configured for the first terminal device by the second network device, at least one of the feedback timings shown in table 7 below for the first terminal device:

TABLE 7

Among them, the TDD configuration of the NR network device may refer to tables 2 and 3.

As can be seen from table 7, when the TDD configuration configured by the second network device for the first terminal device is configuration 0 in table 4, the feedback timing is to transmit feedback information of the nth-8 th downlink subframe, the nth-7 th downlink subframe, the nth-6 th downlink subframe, the nth-5 th downlink subframe, and the nth-4 th downlink subframe in the nth uplink subframe, and transmit feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe, and the (n +5) -4 th downlink subframe in the n +5 th uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 1 in table 4, the feedback timing is to transmit feedback information of the n-th-6 th downlink subframe, the n-th-5 th downlink subframe, and the n-4 th downlink subframe in the nth uplink subframe, transmit feedback information of the (n +4) -7 th downlink subframe and the (n +4) -6 th downlink subframe in the n +4 th uplink subframe, transmit feedback information of the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe, and the (n +5) -4 th downlink subframe in the n +5 th uplink subframe, and transmit feedback information of the (n +9) -7 th downlink subframe and the (n +9) -6 th downlink subframe in the n +9 th uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 2 in table 4, the feedback sequence is to send the feedback information of the (n-4) th downlink subframe in the nth uplink subframe, transmitting feedback information of (n +3) -6 th downlink sub-frames and (n +3) -5 th downlink sub-frames in the n +3 th uplink sub-frame, transmitting feedback information of the (n +4) -5 th downlink sub-frame and the (n +4) -4 th downlink sub-frame in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +8) -6 th downlink sub-frames and (n +8) -5 th downlink sub-frames in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -5 th downlink subframe and the (n +9) -4 th downlink subframe in the n +9 th uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 3 in table 4, the feedback sequence is to send the feedback information of the (n-4) th downlink subframe in the nth uplink subframe, transmitting feedback information of (n +5) -8 th downlink subframes and (n +5) -7 th downlink subframes in the n +5 th uplink subframe, transmitting feedback information of the (n +6) -7 th downlink sub-frame and the (n +6) -6 th downlink sub-frame in the n +6 th uplink sub-frame, transmitting feedback information of (n +7) -6 th downlink subframes and (n +7) -5 th downlink subframes in the n +7 th uplink subframe, transmitting feedback information of the (n +8) -5 th downlink sub-frame and the (n +8) -4 th downlink sub-frame in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 4 in table 4, the feedback timing is to transmit feedback information of the n-th 4 downlink subframe in the nth uplink subframe, transmit feedback information of the (n +4) -7 th downlink subframe and the (n +4) -6 th downlink subframe in the n +4 th uplink subframe, transmit feedback information of the (n +5) -6 th downlink subframe and the (n +5) -5 th downlink subframe in the n +5 th uplink subframe, transmit feedback information of the (n +6) -5 th downlink subframe and the (n +6) -4 th downlink subframe in the n +6 th uplink subframe, transmit feedback information of the (n +7) -4 th downlink subframe in the n +7 th uplink subframe, and transmit feedback information of the (n +8) -4 th downlink subframe in the n +8 th uplink subframe, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 5 in table 4, the feedback timing is to transmit feedback information of the (n-4) th downlink subframe in the nth uplink subframe, transmit feedback information of the (n +3) -6 th downlink subframe and the (n +3) -5 th downlink subframe in the (n +3) th uplink subframe, transmit feedback information of the (n +4) -5 th downlink subframe and the (n +4) -4 th downlink subframe in the n +4 th uplink subframe, transmit feedback information of the (n +5) -4 th downlink subframe in the n +5 th uplink subframe, transmit feedback information of the (n +6) -4 th downlink subframe in the n +6 th uplink subframe, transmit feedback information of the (n +7) -4 th downlink subframe in the n +7 th uplink subframe, transmit feedback information of the (n +8) -4 th downlink subframe in the n +8 th uplink subframe, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 6 in table 4, the feedback timing is to transmit feedback information of the (n-5) th downlink subframe and the (n-4) th downlink subframe in the nth uplink subframe, transmit feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe, and the (n +5) -4 th downlink subframe in the n +5 uplink subframe, and transmit feedback information of the (n +9) -7 th downlink subframe, the (n +9) -6 th downlink subframe, and the (n +9) -5 th downlink subframe in the n +9 uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 7 in table 5, the feedback timing is to transmit feedback information of the (n-4) th downlink subframe in the nth uplink subframe, transmit feedback information of the (n +1) -4 th downlink subframe in the (n +1) th uplink subframe, transmit feedback information of the (n +3) -5 th downlink subframe and the (n +3) -4 th downlink subframe in the n +3 th uplink subframe, transmit feedback information of the (n +4) -4 th downlink subframe in the n +4 th uplink subframe, transmit feedback information of the (n +5) -4 th downlink subframe in the n +5 th uplink subframe, transmit feedback information of the (n +6) -4 th downlink subframe in the n +6 th uplink subframe, transmit feedback information of the (n +8) -5 th downlink subframe and the (n +8) -4 th downlink subframe in the n +8 th uplink subframe, and transmitting the feedback information of the (n +9) -4 th downlink subframe in the n +9 th uplink subframe.

Wherein n is 0,1, … …, or 9.

As described above, several ways for the first network device to configure the feedback timing sequence for the first terminal device are introduced, which may be different according to different situations, or the first network device may not even configure the feedback timing sequence in the way described above, for example, configure the feedback timing sequence in the prior art, and then continue to execute the following steps S52, which can be supported by the embodiments of the present application.

Alternatively, the first network device may configure the feedback sequence for the first terminal device in the manner described above, and after configuring the feedback sequence, the following steps S52 and subsequent steps are not performed, but the steps in the prior art are performed, that is, other steps than configuring the feedback sequence are performed in the manner in the prior art, which is all supported by the embodiments of the present application. Because the feedback time sequence is configured according to the scheme provided by the embodiment of the application, more downlink subframes can be fed back, and the system performance is improved.

In the embodiment of the application, the first network device may configure different feedback timing sequences for the first terminal device, which is more flexible. In the feedback sequence configured for the first terminal device by the first network device, all downlink subframes in a radio frame have corresponding uplink subframes, or some downlink subframes in the radio frame have corresponding uplink subframes, respectively.

S52, the first network device may send third indication information to the first terminal device, where the third indication information is used to indicate a feedback timing configured for the first terminal device, and then the first terminal device receives the third indication information.

In this embodiment of the present application, the first network device may send the third indication information to the first terminal device, and the first terminal device may determine the feedback timing after receiving the third indication information, so as to send ACK/NACK to the first network device according to the feedback timing.

In addition, as can be seen from the foregoing description, n may be an integer from 0 to 9, that is, n is variable, because there may be an offset between the first network device and the second network device, for example, the 0 th subframe of the first network device may be the 2 nd subframe for the second network device, and therefore, for the first network device, it is necessary to know the value of n in addition to the feedback timing, so as to determine the true feedback timing.

In this embodiment of the application, the first network device may further send second indication information to the first terminal device, where the second indication information may be used to indicate a value of n, and the first terminal device may directly determine the value of n after receiving the second indication information, which is relatively simple. Alternatively, the second indication information may also be used to indicate an offset, which may be understood as a time offset between the first network device and the second network device, and the offset may be used to determine a value of n, and after receiving the second indication information, the first terminal device may determine the value of n according to the reference quantity and the offset, for example, n is equal to the reference quantity + the offset. Then, for example, if the reference amount is 0 and the offset amount is 3, the first terminal device may determine that n is 3. The reference quantity may be determined by the first network device itself, or notified to the first network device by the second network device, which is not limited in the embodiment of the present application. In addition, the first terminal device may store the reference amount in advance, for example, the first network device may send the reference amount to the first terminal device in advance, or the first network device may also send the reference amount to the first terminal device through the second indication information at the same time, which is not limited in the embodiment of the present application.

For example, if the first terminal device determines that n is 0, it may determine that:

when the TDD configuration configured by the second network device for the first terminal device is configuration 0 in table 4, the feedback timing sequence is to transmit feedback information of the n-8 th downlink subframe, the n-7 th downlink subframe, the n-6 th downlink subframe, the n-5 th downlink subframe, and the n-4 th downlink subframe in the 0 th uplink subframe, and transmit feedback information of the n-8 th downlink subframe, the n-7 th downlink subframe, the n-6 th downlink subframe, the n-5 th downlink subframe, and the n-4 th downlink subframe in the 5 th uplink subframe; or,

when the second network device configures 1 in table 4 for TDD configured by the first terminal device, the feedback timing sequence is to send feedback information of an nth-6 downlink subframe, an nth-5 downlink subframe, and an nth-4 downlink subframe in a 0 th uplink subframe, send feedback information of an nth-7 downlink subframe and an nth-6 downlink subframe in a 4 th uplink subframe, send feedback information of an nth-6 downlink subframe, an nth-5 downlink subframe, and an nth-4 downlink subframe in a 5 th uplink subframe, and send feedback information of an nth-7 downlink subframe and an nth-6 downlink subframe in a 9 th uplink subframe; or,

when the second network device configures configuration 2 in table 2 for TDD configured by the first terminal device, the feedback timing sequence is to send feedback information of an n-4 th downlink subframe in a 0 th uplink subframe, send feedback information of an n-6 th downlink subframe and an n-5 th downlink subframe in a 3rd uplink subframe, send feedback information of an n-5 th downlink subframe and an n-4 th downlink subframe in a 4 th uplink subframe, send feedback information of an n-4 th downlink subframe in a 5 th uplink subframe, send feedback information of an n-6 th downlink subframe and an n-5 th downlink subframe in an 8 th uplink subframe, and send feedback information of an n-5 th downlink subframe and an n-4 th downlink subframe in a 9 th uplink subframe; or,

when the second network device configures the TDD configuration configured for the first terminal device as configuration 3 in table 4, the feedback timing sequence is to send feedback information of an n-4 th downlink subframe in a 0 th uplink subframe, send feedback information of an n-8 th downlink subframe and an n-7 th downlink subframe in a 5 th uplink subframe, send feedback information of an n-7 th downlink subframe and an n-6 th downlink subframe in an n +6 th uplink subframe, send feedback information of an n-6 th downlink subframe and an n-5 th downlink subframe in a 7 th uplink subframe, send feedback information of an n-5 th downlink subframe and an n-4 th downlink subframe in a 8 th uplink subframe, and send feedback information of an n-4 th downlink subframe in a 9 th uplink subframe; or,

when the second network device configures the TDD configuration configured for the first terminal device as configuration 4 in table 4, the feedback timing sequence is to send feedback information of an n-4 th downlink subframe in a 0 th uplink subframe, send feedback information of an n-7 th downlink subframe and an n-6 th downlink subframe in a 4 th uplink subframe, send feedback information of an n-6 th downlink subframe and an n-5 th downlink subframe in a 5 th uplink subframe, send feedback information of an n-5 th downlink subframe and an n-4 th downlink subframe in a 6 th uplink subframe, send feedback information of an n-4 th downlink subframe in a 7 th uplink subframe, send feedback information of an n-4 th downlink subframe in an 8 th uplink subframe, and send feedback information of an n-4 th downlink subframe in a 9 th uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 5 in table 4, the feedback sequence is to send the feedback information of the (n-4) th downlink subframe in the 0 th uplink subframe, transmitting feedback information of the (n-6) th downlink subframe and the (n-5) th downlink subframe in the 3rd uplink subframe, transmitting feedback information of the (n-5) th downlink subframe and the (n-4) th downlink subframe in the (n +4) th uplink subframe, transmitting feedback information of the (n-4) th downlink subframe in the 5 th uplink subframe, transmitting feedback information of the (n-4) th downlink subframe in the 6 th uplink subframe, sending feedback information of an n-4 th downlink subframe at a 7 th uplink subframe, sending feedback information of an n-4 th downlink subframe at an 8 th uplink subframe, and sending feedback information of an n-4 th downlink subframe at a 9 th uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 6 in table 4, the feedback timing is to transmit feedback information of the n-5 th downlink subframe and the n-4 th downlink subframe in the 0 th uplink subframe, transmit feedback information of the n-8 th downlink subframe, the n-7 th downlink subframe, the n-6 th downlink subframe, the n-5 th downlink subframe, and the n-4 th downlink subframe in the 5 th uplink subframe, and transmit feedback information of the n-7 th downlink subframe, the n-6 th downlink subframe, and the n-5 th downlink subframe in the 9 th uplink subframe; or,

when the TDD configuration configured by the second network device for the first terminal device is configuration 7 in table 5, the feedback sequence is to send the feedback information of the (n-4) th downlink subframe in the 0 th uplink subframe, transmitting feedback information of the (n-4) th downlink subframe in the 1 st uplink subframe, transmitting feedback information of the (n-5) th downlink subframe and the (n-4) th downlink subframe in the 3rd uplink subframe, transmitting feedback information of the (n-4) th downlink subframe in the 4 th uplink subframe, transmitting feedback information of the (n-4) th downlink subframe in the 5 th uplink subframe, and sending feedback information of the (n-4) th downlink subframe at the 6 th uplink subframe, sending feedback information of the (n-5) th downlink subframe and the (n-4) th downlink subframe at the 8 th uplink subframe, and sending feedback information of the (n-4) th downlink subframe at the (n +9) th uplink subframe.

The first network device may send the second indication information to the first terminal device first and then send the third indication information to the first terminal device, or the first network device may send the third indication information to the first terminal device first and then send the second indication information to the first terminal device, or the first network device may send the second indication information and the third indication information to the first terminal device at the same time. If the first network device sends the second indication information and the third indication information to the first terminal device at the same time, the second indication information and the third indication information may be carried in different signaling for sending, or the second indication information and the third indication information may also be carried in the same signaling for sending. In addition, the first network device may also send only one piece of indication information to the first terminal device, where the indication information directly indicates a feedback timing sequence of the first terminal device, and the feedback timing sequence includes the specific value of n.

Wherein S51 and S52 are optional steps.

S53, the first network device configures a first offset value for the first terminal device. The first offset value is used to determine uplink control channel resources of the first terminal device.

After the first network device configures the first offset value for the first terminal device, the first network device may send the first offset value to the first terminal device, and then the first terminal device may receive the first offset value from the first network device.

And S54, the first network equipment configures a second offset value for the second terminal equipment. The second terminal device accesses the first network device in an FDD mode, that is, the second terminal device is an FDD terminal device, the second offset value is used for determining uplink control channel resources of the second terminal device, and the first offset value is different from the second offset value.

After the first network device configures the second offset value for the second terminal device, the second network device may send the second offset value to the second terminal device, and then the second terminal device may receive the second offset value from the first network device.

Wherein S53 may be performed before S54, or S53 may be performed after S54, or S53 and S54 may be performed simultaneously.

The second offset value may be understood as

That is, the second offset value may be understood as an offset value used by the FDD terminal device in the related art to calculate the PUCCH resource. The first offset value is an offset value configured by the first network device for the first terminal device in this embodiment, and is not equal to the second offset value, for example, the first offset value is represented as

The first terminal device may employ the first offset value to calculate the uplink control channel resource. While the second terminal device will continue to adopt

To calculate the uplink control channel resources. Then, through reasonable arrangement

And

the probability that the uplink control channel resources calculated by the first terminal equipment are the same as the uplink control channel resources calculated by the second terminal equipment can be reduced to a certain extent, so that the collision probability of the uplink control channel is reduced. For example, in the LTE system, a value range of the offset value is definedThe offset value is an integer from 0 to 2047, and theoretically, any value in the value range can be selected by the network device to be configured as the offset value. Then

And

the value ranges of (1) and (7) are all integers of 0-2047, and then the first network equipment can be selected from the value ranges

And

selecting appropriate values, e.g. so that

And

the values of (1) are different, thereby reducing the probability that the uplink control channel resources calculated by the first terminal device are the same as the uplink control channel resources calculated by the second terminal device.

It should be noted that, a certain offset value described in this embodiment is used for determining an uplink control channel resource of a certain terminal device, because the terminal device calculates the uplink control channel resource by using the offset value, it is not to say that the offset value can only be used for determining the uplink control channel resource of the terminal device. For example, in the embodiment of the present application, the second offset value is used by the second terminal device to calculate the uplink control channel resource, and therefore is described as the second offset value used for determining the uplink control channel resource of the second terminal device, but it is not to say that the first terminal device cannot use the second offset value to determine the uplink control channel resource, that is, in some cases, the first terminal device may also use the second offset value to calculate the uplink control channel resource, and at this time, the second offset value may be used for determining the uplink control channel resource of the first terminal device.

Optionally, the first network device may configure a second offset value for the first terminal device in addition to configuring the first offset value for the first terminal device, that is, the first network device may configure two offset values for the DC terminal device. Fig. 5 shows that, for example, when the first network device configures the first offset value and the second offset value for the first terminal device, the first network device sends the first offset value and the second offset value to the first terminal device. In addition, if the first network device configures the offset value for the first terminal device first, the first network device may send the offset value to the first terminal device first and then configure the offset value for the second terminal device, which is illustrated in fig. 5 as an example, or the first network device may also configure the offset value for the second terminal device first and then send the offset value to the first terminal device, or the first network device may also configure the offset value for the second terminal device and send the offset value to the first terminal device at the same time.

The first network device may send the first offset value to the first terminal device first and then send the second offset value to the first terminal device, or the first network device may send the second offset value to the first terminal device first and then send the first offset value to the first terminal device, or the first network device may send the first offset value and the second offset value to the first terminal device at the same time. If the first network device sends the first offset value and the second offset value to the first terminal device at the same time, the first offset value and the second offset value may be carried in different signaling or may also be carried in the same signaling.

In addition, no matter in which order the first network device performs S53 and S54 as described above, the first network device may transmit the offset value to the first terminal device and then to the second terminal device, or the first network device may transmit the offset value to the second terminal device and then to the first terminal device, or the first network device may transmit the offset value to the first terminal device and then to the second terminal device at the same time. The embodiments of the present application are not limited. The offset value configured for the first terminal device or the offset value sent to the first terminal device may include the first offset value or include the first offset value and the second offset value.

S55, the first network device sends the first indication information to the first terminal device, and the first terminal device receives the first indication information. The first indication information is used to indicate the first terminal device to determine the uplink control channel resource of the first terminal device by using the first offset value, and after receiving the first indication information, the first terminal device may determine to determine the uplink control channel resource of the first terminal device by using the first offset value according to the first indication information.

If the first network device configures the first terminal device with the first and second offset values, it is relevant which offset value the DC terminal device should use at all. In this embodiment, the first network device may further send first indication information to the terminal device, where the first indication information may be used to instruct the first terminal device to determine the uplink control channel resource of the first terminal device by using the first offset value. The first terminal device may determine to use the first offset value to determine the uplink control channel resource of the first terminal device after receiving the first indication information, so as to reduce the collision of the uplink control channel resource.

The first network device may send the first offset value and the first indication information to the first terminal device through a signaling, where the first indication information may indicate that the uplink control channel resource of the first terminal device is determined using the first offset value. For example, the first indication information is implemented by 1 bit (bit), and if the value of the bit is "1", it indicates that the first offset value is used to determine the uplink control channel resource of the first terminal device. Or, the first indication information may implicitly indicate that the uplink control channel resource of the first terminal device is determined using the first offset value, and as long as the first network device sends the first offset value to the first terminal device, it may be considered that the first network device sends the first indication information to the first terminal device, that is, the first terminal device is implicitly indicated to determine the uplink control channel resource of the first terminal device using the first offset value.

In this embodiment of the application, the first indication information may indicate, by means of a display indication or an implicit indication, that the first terminal device calculates the uplink control channel resource of the first terminal device by using the first offset value, the second indication information may indicate a value or an offset of n by means of a display indication or an implicit indication, and the third indication information may indicate, by means of a display indication or an implicit indication, a feedback timing sequence allocated to the first terminal device.

The first indication information, the second indication information, and the third indication information may be carried in different signaling and sent separately, or may be carried in one signaling and sent together, for example, the first indication information, the second indication information, and the third indication information may be implemented by different fields of one signaling.

At least two pieces of the first, second, and third pieces of instruction information may be different pieces of instruction information or may be the same piece of instruction information. For example, the first indication information and the second indication information are the same indication information, the first indication information may implicitly indicate the content required to be indicated by the second indication information, or the second indication information may implicitly indicate the content required to be indicated by the first indication information.

In this embodiment of the application, the number of the first terminal device and the second terminal device is not limited, the first terminal device may be one terminal device or multiple terminal devices, and the second terminal device may also be one terminal device or multiple terminal devices, which may be understood that the first terminal device may refer to a class of terminal devices, that is, a DC terminal device, and the second terminal device may also refer to a class of terminal devices, for example, an FDD terminal device in an LTE system.

In the embodiment shown in fig. 5, by configuring different offset values for the first terminal device and the second terminal device, the collision probability of the uplink control channel resource can be reduced. To reduce the collision probability of the uplink control channel, in addition to the method provided in the embodiment shown in fig. 5, other methods may also be adopted, for example, the collision probability of the uplink control channel is reduced by configuring a feedback timing sequence for the terminal device, which is described in an embodiment below.

Referring to fig. 6, in the following description, an embodiment of the present application provides another communication method, and the method provided by the embodiment of the present application is applied to the application scenario shown in fig. 4 as an example.

And S61, the first network equipment configures a feedback time sequence for the first terminal equipment. The feedback time sequence is used for representing the corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, in the feedback time sequence, each uplink subframe occupied by the first terminal equipment for sending the feedback information to the first network equipment has the corresponding relation with the (n-4) th downlink subframe, at least one uplink subframe has the corresponding relation with at least two downlink subframes, and the first terminal equipment is accessed to the first network equipment in an FDD mode.

In a feedback time sequence configured for the first terminal device by the first network device, all downlink subframes in one radio frame have corresponding uplink subframes, or some downlink subframes in one radio frame have corresponding uplink subframes, respectively.

For example, the feedback timing configured by the first network device for the first terminal device may include at least one of the feedback timings shown in table 8:

TABLE 8

As can be seen from table 8, the feedback sequence numbered 0 is to transmit the feedback information of the n-8 th downlink subframe, the n-7 th downlink subframe, the n-6 th downlink subframe, the n-5 th downlink subframe, and the n-4 th downlink subframe in the nth uplink subframe, and to transmit the feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe, and the (n +5) -4 th downlink subframe in the n +5 th uplink subframe; or,

the feedback sequence numbered 1 is that the feedback information of the nth-4 downlink subframe is sent in the nth uplink subframe, the feedback information of the (n +4) -7 downlink subframe, the (n +4) -6 downlink subframe, the (n +4) -5 downlink subframe and the (n +4) -4 downlink subframe is sent in the n +4 uplink subframe, the feedback information of the (n +5) -4 downlink subframe is sent in the n +5 uplink subframe, and the feedback information of the (n +9) -7 downlink subframe, the (n +9) -6 downlink subframe, the (n +9) -5 downlink subframe and the (n +9) -4 downlink subframe is sent in the n +9 uplink subframe; or,

the feedback sequence numbered 2 is that feedback information of an nth-4 downlink subframe is sent in an nth uplink subframe, feedback information of an (n +3) -6 downlink subframe, an (n +3) -5 downlink subframe and an (n +3) -4 downlink subframe is sent in an nth +3 uplink subframe, feedback information of an (n +4) -4 downlink subframe is sent in an nth +4 uplink subframe, feedback information of an (n +5) -4 downlink subframe is sent in an nth +5 uplink subframe, feedback information of an (n +8) -6 downlink subframe, an (n +8) -5 downlink subframe and a (n +8) -4 downlink subframe is sent in an nth +8 uplink subframe, and feedback information of an (n +9) -4 downlink subframe is sent in an nth +9 uplink subframe; or,

the feedback sequence numbered 3 is that the feedback information of the (n) -4 th downlink subframe is sent in the nth uplink subframe, the feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe and the (n +5) -4 th downlink subframe is sent in the n +5 uplink subframe, the feedback information of the (n +6) -4 th downlink subframe is sent in the n +6 uplink subframe, the feedback information of the (n +7) -4 th downlink subframe is sent in the n +7 uplink subframe, the feedback information of the (n +8) -4 th downlink subframe is sent in the n +8 uplink subframe, and the feedback information of the (n +9) -4 th downlink subframe is sent in the n +9 uplink subframe; or,

the feedback sequence numbered 4 is to transmit the feedback information of the nth-4 th downlink subframe in the nth uplink subframe, transmitting feedback information of (n +4) -7 th downlink sub-frame, (n +4) -6 th downlink sub-frame, (n +4) -5 th downlink sub-frame and (n +4) -4 th downlink sub-frame in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, sending feedback information of the (n-4) th downlink subframe in the (n +7) +7 th uplink subframe, sending feedback information of the (n-4) th downlink subframe in the (n +8) +8 th uplink subframe, sending feedback information of the (n-4) th downlink subframe in the (n +9) +9 th uplink subframe; or,

the feedback sequence numbered 5 is to transmit the feedback information of the n-4 th downlink subframe in the nth uplink subframe, transmitting feedback information of (n +3) -6 th downlink sub-frame, (n +3) -5 th downlink sub-frame and (n +3) -4 th downlink sub-frame in the n +3 th uplink sub-frame, transmitting feedback information of (n +4) -4 th downlink sub-frames in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, transmitting feedback information of (n +7) -4 th downlink sub-frames in the n +7 th uplink sub-frame, transmitting feedback information of (n +8) -4 th downlink sub-frames in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

the feedback sequence numbered 6 is to send the feedback information of the nth-4 th downlink subframe in the nth uplink subframe, send the feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe and the (n +5) -4 th downlink subframe in the n +5 uplink subframe, and send the feedback information of the (n +9) -7 th downlink subframe, the (n +9) -6 th downlink subframe, the (n +9) -5 th downlink subframe and the (n +9) -4 th downlink subframe in the n +9 uplink subframe; or,

the feedback sequence numbered 7 is to transmit the feedback information of the n-4 th downlink subframe in the nth uplink subframe, transmitting feedback information of (n +1) -4 th downlink sub-frames in the n +1 th uplink sub-frame, transmitting feedback information of the (n +3) -5 th downlink sub-frame and the (n +3) -4 th downlink sub-frame in the n +3 th uplink sub-frame, transmitting feedback information of (n +4) -4 th downlink sub-frames in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, transmitting feedback information of the (n +8) -5 th downlink sub-frame and the (n +8) -4 th downlink sub-frame in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe;

wherein n is 0,1, … …, or 9. In the feedback sequence, the value ranges of n may be the same or different. For example, n may take one of 0,1, 2, 3, and 4 for one of the feedback timings, and n may take one of 0,1, 2, 3, 4, 5, 6, 7, 8, and 9 for another feedback timing, and of course, n may take other values from 0 to 9, which is not limited herein.

Or, in this embodiment of the present application, the first terminal device may further access the second network device in a TDD manner, and the first network device may also configure a feedback time sequence for the first terminal device according to the TDD configuration configured for the first terminal device by the second network device, where the feedback time sequences corresponding to different TDD configurations may be different or may also be the same. The time division duplex configuration is used for indicating a corresponding relation between subframes and transmission directions of the subframes, and the first network equipment and the second network equipment support different wireless access technologies. In the following, for example, the first network device supports LTE, and the second network device supports NR, that is, the first terminal device is a DC terminal device.

For example, the TDD configurations supported by the second network device may include 7 TDD configurations in the LTE system, which may refer to table 4 in the embodiment shown in fig. 5, or the TDD configurations supported by the second network device may also include other configurations, which may refer to table 5 in the embodiment shown in fig. 5.

For the TDD configurations of 8 NR network devices shown in tables 4 and 5, the feedback timing configured by the first network device for the first terminal device may include at least one of the following feedback timings shown in table 9:

TABLE 9

Among them, the TDD configuration of the NR network device may refer to tables 4 and 5.

As can be seen from table 9, when the tdd configuration configured by the second network device for the first terminal device is configuration 0 in table 4, the feedback timing is to transmit feedback information of the nth-8 th downlink subframe, the nth-7 th downlink subframe, the nth-6 th downlink subframe, the nth-5 th downlink subframe, and the nth-4 th downlink subframe in the nth uplink subframe, and transmit feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe, and the (n +5) -4 th downlink subframe in the n +5 th uplink subframe; or,

when the tdd configuration configured for the first terminal device by the second network device is configuration 1 in table 4, the feedback timing is to transmit feedback information of the (n +4) -th downlink subframe in the nth uplink subframe, transmit feedback information of the (n +4) -7 th downlink subframe, the (n +4) -6 th downlink subframe, the (n +4) -5 th downlink subframe, and the (n +4) -4 th downlink subframe in the n +4 th uplink subframe, transmit feedback information of the (n +5) -4 th downlink subframe in the n +5 th uplink subframe, and transmit feedback information of the (n +9) -7 th downlink subframe, the (n +9) -6 th downlink subframe, the (n +9) -5 th downlink subframe, and the (n +9) -4 th downlink subframe in the n +9 th uplink subframe; or,

when the time division duplex configuration configured by the second network device for the first terminal device is configuration 2 in table 4, the feedback sequence is to send the feedback information of the (n-4) th downlink subframe in the nth uplink subframe, transmitting feedback information of (n +3) -6 th downlink sub-frame, (n +3) -5 th downlink sub-frame and (n +3) -4 th downlink sub-frame in the n +3 th uplink sub-frame, transmitting feedback information of (n +4) -4 th downlink sub-frames in the n +4 th uplink sub-frame, transmitting feedback information of (n +5) -4 th downlink sub-frames in the n +5 th uplink sub-frame, transmitting feedback information of (n +8) -6 th downlink sub-frame, (n +8) -5 th downlink sub-frame and (n +8) -4 th downlink sub-frame in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

when the time division duplex configuration configured by the second network device for the first terminal device is configuration 3 in table 4, the feedback sequence is to send the feedback information of the (n-4) th downlink subframe in the nth uplink subframe, transmitting feedback information of (n +5) -8 th downlink sub-frame, (n +5) -7 th downlink sub-frame, (n +5) -6 th downlink sub-frame, (n +5) -5 th downlink sub-frame and (n +5) -4 th downlink sub-frame in the n +5 th uplink sub-frame, transmitting feedback information of (n +6) -4 th downlink sub-frames in the n +6 th uplink sub-frame, transmitting feedback information of (n +7) -4 th downlink sub-frames in the n +7 th uplink sub-frame, transmitting feedback information of (n +8) -4 th downlink sub-frames in the n +8 th uplink sub-frame, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

when the tdd configuration configured for the first terminal device by the second network device is configuration 4 in table 4, the feedback timing is to send feedback information of the (n +4) -th downlink subframe in the nth uplink subframe, send feedback information of the (n +4) -7 th downlink subframe, the (n +4) -6 th downlink subframe, the (n +4) -5 th downlink subframe, and the (n +4) -4 th downlink subframe in the (n +4) -4 th uplink subframe, send feedback information of the (n +5) -4 th downlink subframe in the n +5 th uplink subframe, send feedback information of the (n +6) -4 th downlink subframe in the n +6 th uplink subframe, send feedback information of the (n-4) -4 th downlink subframe in the (n +7) +7 uplink subframe, send feedback information of the n-4 th downlink subframe in the (n +8) +8 uplink subframe, sending feedback information of the (n-4) th downlink subframe in the (n +9) +9 th uplink subframe; or,

when the tdd configuration configured for the first terminal device by the second network device is configuration 5 in table 4, the feedback timing is to transmit feedback information of the (n-4) th downlink subframe in the nth uplink subframe, transmit feedback information of the (n +3) -6 th downlink subframe, the (n +3) -5 th downlink subframe, and the (n +3) -4 th downlink subframe in the (n +3) th uplink subframe, transmit feedback information of the (n +4) -4 th downlink subframe in the n +4 th uplink subframe, transmit feedback information of the (n +5) -4 th downlink subframe in the n +5 th uplink subframe, transmit feedback information of the (n +6) -4 th downlink subframe in the n +6 th uplink subframe, transmit feedback information of the (n +7) -4 th downlink subframe in the n +7 th uplink subframe, transmit feedback information of the (n +8) -4 th downlink subframe in the n +8 th uplink subframe, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe; or,

when the tdd configuration configured for the first terminal device by the second network device is configuration 6 in table 4, the feedback timing is to transmit feedback information of the (n +5) -8 th downlink subframe, the (n +5) -7 th downlink subframe, the (n +5) -6 th downlink subframe, the (n +5) -5 th downlink subframe, and the (n +5) -4 th downlink subframe in the nth +5 uplink subframe, and transmit feedback information of the (n +9) -7 th downlink subframe, the (n +9) -6 th downlink subframe, the (n +9) -5 th downlink subframe, and the (n +9) -4 th downlink subframe in the n +9 uplink subframe; or,

when the tdd configuration configured for the first terminal device by the second network device is configuration 7 in table 5, the feedback timing is to transmit feedback information of the (n-4) th downlink subframe in the nth uplink subframe, transmit feedback information of the (n +1) -4 th downlink subframe in the (n +1) th uplink subframe, transmit feedback information of the (n +3) -5 th downlink subframe and the (n +3) -4 th downlink subframe in the n +3 th uplink subframe, transmit feedback information of the (n +4) -4 th downlink subframe in the n +4 th uplink subframe, transmit feedback information of the (n +5) -4 th downlink subframe in the n +5 th uplink subframe, transmit feedback information of the (n +6) -4 th downlink subframe in the n +6 th uplink subframe, transmit feedback information of the (n +8) -5 th downlink subframe and the (n +8) -4 th downlink subframe in the n +8 th uplink subframe, sending feedback information of the (n +9) -4 th downlink subframe at the n +9 th uplink subframe;

wherein n is 0,1, … …, or 9.

As can be seen from tables 8 and 9, in the feedback timing sequence configured by the first network device for the first terminal device, each uplink subframe occupied by the first terminal device for sending feedback information to the first network device has a corresponding relationship with the nth-4 downlink subframes, so that the collision probability of the uplink control channel can be reduced through the setting, which is explained as follows:

for example, in table 7, in TDD configuration 0, uplink subframe 0 needs to feed back ACK/NACK of downlink data in 5 downlink subframes in total, n-4/n-5/n-6/n-7/n-8. In the prior art, when feeding back downlink data of different downlink subframes, selection ranges of PUCCH resources are different between a DC terminal device and the DC terminal device, for example, when the DC terminal device feeds back n-5, the selection range of PUCCH resources is different from the selection range of PUCCH resources fed back by the DC terminal device n-4, so that the DC terminal device may obtain different PUCCH resources when feeding back downlink data of different downlink subframes, while when an FDD terminal device and the DC terminal device feed back downlink data of the same downlink subframe, the selection ranges of PUCCH resources are the same, for example, when the DC terminal device feeds back n-4, the selection range of PUCCH resources is the same as the selection range of PUCCH resources fed back by the FDD terminal device n-4, so that when the FDD terminal device feeds back n-4 and the DC terminal device feeds back n-5, the selection ranges of PUCCH resources are different, the PUCCH resources calculated by the DC terminal device and the FDD terminal device will be different. Therefore, the collision probability of the FDD terminal equipment and the DC terminal equipment in the selection of the PUCCH resource can be reduced as much as possible.

S62, the first network device sends first indication information to the first terminal device, where the first indication information is used to indicate the feedback timing sequence, and then the first terminal device receives the first indication information. After the first terminal device receives the first indication information, the feedback timing sequence may be determined according to the first indication information.

The first indication information may indicate the feedback timing by way of a display indication or an implicit indication.

Therefore, the first network device may also send the second indication information to the first terminal device, where the second indication information may be used to indicate a value of n, and the first terminal device may directly determine the value of n after receiving the second indication information, which is simpler. Alternatively, the second indication information may also be used to indicate an offset, which may be understood as a time offset between the first network device and the second network device, and the offset may be used to determine a value of n, and after receiving the second indication information, the first terminal device may determine the value of n according to the reference quantity and the offset, for example, n is equal to the reference quantity + the offset. Then, for example, if the reference amount is 0 and the offset amount is 3, the first terminal device may determine that n is 3. The reference quantity may be determined by the first network device itself, or notified to the first network device by the second network device, which is not limited in the embodiment of the present application. In addition, the first terminal device may store the reference amount in advance, for example, the first network device may send the reference amount to the first terminal device in advance, or the first network device may also send the reference amount to the first terminal device through the second indication information at the same time, which is not limited in the embodiment of the present application.

In this embodiment of the application, the first indication information and the second indication information may be carried in different signaling and sent separately, or may also be carried in one signaling and sent together, for example, the first indication information and the second indication information may be implemented by different fields of one signaling.

The first instruction information and the second instruction information may be different instruction information or may be the same instruction information. For example, the first indication information and the second indication information are the same indication information, the first indication information may implicitly indicate the content required to be indicated by the second indication information, or the second indication information may implicitly indicate the content required to be indicated by the first indication information.

The technical scheme provided by the embodiment of the application can solve the technical problem of reducing the resource conflict of the uplink control channel, and any technical scheme can be selected according to requirements to implement in practical application, so that the method is flexible.

The following describes the apparatus provided in the embodiments of the present application with reference to the drawings.

Fig. 7 shows a schematic structural diagram of a network device 700. The network device 700 may implement the functionality of the first network device referred to above. The network device 700 may be the first network device described above, or may be a chip disposed in the first network device described above. The network device 700 may include a processor 701. Optionally, the network device may also include a transceiver 702. Among other things, processor 701 may be used to perform S51, S53, and S54 in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein. The transceiver 702 may be used to perform S52 and S55 in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein.

For example, the processor 701 is configured to configure a first offset value for a first terminal device; the first terminal device accesses the network device 700 in a frequency division duplex manner, and the first offset value is used to determine an uplink control channel resource of the first terminal device; and configuring a second offset value for the second terminal device; the second terminal device accesses the network device 700 in a frequency division duplex manner, the second offset value is used to determine the uplink control channel resource of the second terminal device, and the first offset value is different from the second offset value.

All relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, and are not described herein again.

Fig. 8 shows a schematic structural diagram of a terminal device 800. The terminal device 800 may implement the functionality of the first terminal device referred to above. The terminal device 800 may be the first terminal device described above, or may be a chip provided in the first terminal device described above. The terminal device 800 may include a processor 801 and a transceiver 802. Processor 801 may be used, among other things, to perform S55 in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein. The transceiver 802 may be used to perform S52 and S55 in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein.

For example, a transceiver 802 to receive a first offset value and a second offset value from a first network device; the first offset value and the second offset value are both used for determining uplink control channel resources, and the terminal device 800 accesses the first network device in a frequency division duplex manner; and receiving first indication information from the first network device; a processor 801, configured to determine, according to the first indication information, that the terminal device 800 determines the uplink control channel resource of the terminal device 800 by using the first offset value.

Fig. 9 shows a schematic structural diagram of a network device 900. The network device 900 may implement the functionality of the first network device referred to above. The network device 900 may be the first network device described above, or may be a chip disposed in the first network device described above. The network device 900 may include a processor 901 and a transceiver 902. Processor 901 may be configured to perform, among other things, S61 in the embodiment illustrated in fig. 6, and/or other processes for supporting the techniques described herein. The transceiver 902 may be used to perform S62 in the embodiment shown in fig. 6, and/or other processes for supporting the techniques described herein.

For example, the processor 901 is configured to configure a feedback timing sequence for the first terminal device; the feedback time sequence is used for indicating a corresponding relationship between an uplink subframe occupied by the first terminal device for sending feedback information to the network device 900 and a downlink subframe corresponding to the feedback information, in the feedback time sequence, all downlink subframes in a radio frame have corresponding uplink subframes, in the feedback time sequence, each uplink subframe occupied by the first terminal device for sending feedback information to the network device 900 has a corresponding relationship with an n-4 th downlink subframe, at least one uplink subframe has a corresponding relationship with at least two downlink subframes, and the first terminal device is accessed to the network device 900 in a frequency division duplex mode; a transceiver 902, configured to send, by the network device 900, first indication information to the first terminal device, where the first indication information is used to indicate the feedback timing sequence.

Fig. 10 shows a schematic structural diagram of a terminal device 1000. The terminal device 1000 may implement the functionality of the first terminal device referred to above. The terminal device 1000 may be the first terminal device described above, or may be a chip provided in the first terminal device described above. The terminal device 1000 can include a processor 1001 and a transceiver 1002. Among other things, the processor 1001 may be used to perform S62 in the embodiment shown in fig. 6, and/or other processes for supporting the techniques described herein. Transceiver 1002 may be used to perform S62 in the embodiment shown in fig. 6, and/or other processes for supporting the techniques described herein.

For example, a transceiver 1002 for receiving first indication information from a first network device; a processor 1002, configured to determine, according to the first indication information, a feedback timing sequence configured by the first network device for the terminal device 1000; the feedback time sequence is the corresponding relation between the uplink sub-frame occupied by the terminal device 1000 for sending the feedback information to the first network device and the downlink sub-frame corresponding to the feedback information, in the feedback time sequence, all the downlink sub-frames in a wireless frame have corresponding uplink sub-frames, and in the feedback time sequence, the terminal device 1000 sends each uplink sub-frame occupied by the feedback information to the first network device and all has a corresponding relation with the n-4 th downlink sub-frame, at least one uplink sub-frame and at least two downlink sub-frames have a corresponding relation, and the terminal device 1000 accesses the first network device through a frequency division duplex mode.

In a simple embodiment, one skilled in the art may think that the network device 700, the terminal device 800, the network device 900, or the terminal device 1000 can also be implemented by the structure of the communication apparatus 1100 as shown in fig. 11A. The communication apparatus 1100 may implement the functionality of the first network device or the first terminal device referred to above. The communication device 1100 may include a processor 1101. Where the communications apparatus 1100 is used to implement the functionality of the first network device in the embodiment shown in fig. 5, the processor 1101 may be configured to perform steps S51, S53, and S54 in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein. When the communication apparatus 1100 is used to implement the functions of the first terminal device in the embodiment shown in fig. 5, the processor 1101 may be configured to execute S55 in the embodiment shown in fig. 5 and/or other processes for supporting the techniques described herein. When the communications apparatus 1100 is used to implement the functionality of the first network device in the embodiment shown in fig. 6, the processor 1101 may be configured to execute S61 in the embodiment shown in fig. 6, and/or other processes for supporting the techniques described herein. When the communication apparatus 1100 is used to implement the functions of the first terminal device in the embodiment shown in fig. 6, the processor 1101 may be configured to execute S62 in the embodiment shown in fig. 6 and/or other processes for supporting the techniques described herein.

The communication apparatus 1100 may be implemented by a field-programmable gate array (FPGA), an application-specific integrated circuit (ASIC), a system on chip (SoC), a Central Processing Unit (CPU), a Network Processor (NP), a digital signal processing circuit (DSP), a Micro Controller Unit (MCU), or a programmable controller (PLD) or other integrated chips, and the communication apparatus 1100 may be disposed in the first network device or the first terminal device of the embodiment of the present application, so that the first network device or the first terminal device implements the communication method provided by the embodiment of the present application.

In an alternative implementation, the communication device 1100 may further include a memory 1102, see fig. 11B, wherein the memory 1102 is configured to store computer programs or instructions, and the processor 1101 is configured to decode and execute the computer programs or instructions. It will be appreciated that these computer programs or instructions may comprise the functionality of the first network device or the first terminal device described above. When the functional program of the first network device is decoded and executed by the processor 1101, the first network device may be enabled to implement the function of the first network device in the communication method according to the embodiment of the present application. When the functional program of the first terminal device is decoded and executed by the processor 1101, the first terminal device may be enabled to implement the function of the first terminal device in the communication method according to the embodiment of the present application.

In another alternative implementation, these functional programs of the first network device or the first terminal device are stored in a memory external to the communication apparatus 1100. When the functional program of the first network device is decoded and executed by the processor 1101, part or all of the content of the functional program of the first network device is temporarily stored in the memory 1102. When the functional program of the first terminal device is decoded and executed by the processor 1101, a part or all of the content of the functional program of the first terminal device is temporarily stored in the memory 1102.

In an alternative implementation, these first network device or first terminal device function programs are provided in a memory 1102 stored inside the communication apparatus 1100. When the memory 1102 inside the communication apparatus 1100 stores the function program of the first network device, the communication apparatus 1100 may be provided in the first network device according to the embodiment of the present application. When the memory 1102 inside the communication apparatus 1100 stores the function program of the first terminal device, the communication apparatus 1100 may be provided in the first terminal device of the embodiment of the present application.

In yet another alternative implementation, some of the contents of the functional programs of these first network devices are stored in a memory external to the communication apparatus 1100, and other contents of some of the functional programs of these first network devices are stored in a memory 1102 internal to the communication apparatus 1100. Alternatively, part of the contents of the function programs of these first terminal devices are stored in a memory external to communication apparatus 1100, and the other part of the contents of the function programs of these first terminal devices are stored in memory 1102 internal to communication apparatus 1100.

In the embodiment of the present application, the network device 700, the terminal device 800, the network device 900, the terminal device 1000, and the communication apparatus 1100 are presented in the form of dividing each functional module corresponding to each function, or may be presented in the form of dividing each functional module in an integrated manner. As used herein, a "module" may refer to an ASIC, a processor and memory that execute one or more software or firmware programs, an integrated logic circuit, and/or other components that provide the described functionality.

In addition, the embodiment shown in fig. 7 provides a network device 700 that can be implemented in other forms. For example, the network device includes a first processing module and a second processing module. For example, the first and second processing modules may be implemented by the processor 701, and the transceiver module may be implemented by the transceiver 702. Among other things, the first processing module may be used to perform S51 and S53 in the embodiment shown in FIG. 5, and/or other processes for supporting the techniques described herein. The second processing module may be used to perform S54 in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein. Optionally, the network device may further include a transceiver module, coupled to the processing module, that may be configured to perform S52 and S55 in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein.

For example, the first processing module is configured to configure a first offset value for a first terminal device; the first terminal device accesses the network device in a frequency division duplex mode, and the first offset value is used for determining uplink control channel resources of the first terminal device; the second processing module is used for configuring a second offset value for the second terminal equipment; the second terminal device accesses the network device in a frequency division duplex mode, the second offset value is used for determining uplink control channel resources of the second terminal device, and the first offset value is different from the second offset value.

The embodiment shown in fig. 8 provides a terminal device 800 that can also be implemented in other forms. The terminal device comprises, for example, a processing module and a transceiver module. For example, the processing module may be implemented by the processor 801 and the transceiver module may be implemented by the transceiver 802. Among other things, the processing module may be used to perform S55 in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein. The transceiver module may be used to perform S52 and S55 in the embodiment shown in fig. 5, and/or other processes for supporting the techniques described herein.

For example, a transceiver module to receive a first offset value and a second offset value from a first network device; the first offset value and the second offset value are both used for determining uplink control channel resources, and the terminal equipment is accessed to the first network equipment in a frequency division duplex mode; and receiving first indication information from the first network device; and the processing module is used for determining that the terminal equipment uses the first offset value to determine the uplink control channel resource of the terminal equipment according to the first indication information.

The embodiment shown in fig. 9 provides a network device 900 that may also be implemented in other forms. For example, the network device includes a processing module and a transceiver module. For example, the processing module may be implemented by the processor 901, and the transceiver module may be implemented by the transceiver 902. Among other things, the processing module may be used to perform S61 in the embodiment shown in fig. 6, and/or other processes for supporting the techniques described herein. The transceiver module may be used to perform S62 in the embodiment shown in fig. 6, and/or other processes for supporting the techniques described herein.

For example, the processing module is configured to configure a feedback timing sequence for the first terminal device; the feedback time sequence is used for indicating the corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the network equipment and a downlink subframe corresponding to the feedback information, all downlink subframes in a wireless frame have corresponding uplink subframes in the feedback time sequence, each uplink subframe occupied by the first terminal equipment for sending the feedback information to the network equipment has a corresponding relation with the (n-4) th downlink subframe in the feedback time sequence, at least one uplink subframe has a corresponding relation with at least two downlink subframes, and the first terminal equipment is accessed to the network equipment in a frequency division duplex mode; and the transceiver module is used for sending first indication information to the first terminal equipment, wherein the first indication information is used for indicating the feedback time sequence.

The embodiment shown in fig. 10 provides a terminal device 1000 which can be implemented in other forms. The terminal device comprises, for example, a processing module and a transceiver module. For example, the processing module may be implemented by the processor 1001 and the transceiver module may be implemented by the transceiver 1002. Among other things, the processing module may be used to perform S62 in the embodiment shown in fig. 6, and/or other processes for supporting the techniques described herein. The transceiver module may be used to perform S62 in the embodiment shown in fig. 6, and/or other processes for supporting the techniques described herein.

For example, the transceiver module is configured to receive first indication information from a first network device; the processing module is used for determining a feedback time sequence configured by the first network device for the terminal device according to the first indication information; the feedback time sequence is the corresponding relation between the uplink sub-frame occupied by the terminal equipment for sending the feedback information to the first network equipment and the downlink sub-frame corresponding to the feedback information, in the feedback time sequence, all the downlink sub-frames in a wireless frame have corresponding uplink sub-frames, in the feedback time sequence, the terminal equipment sends every uplink sub-frame occupied by the feedback information to the first network equipment, and all the uplink sub-frames have corresponding relation with the n-4 th downlink sub-frame, at least one uplink sub-frame has corresponding relation with at least two downlink sub-frames, and the terminal equipment is accessed to the first network equipment in a frequency division duplex mode.

Since the network device 700, the terminal device 800, the network device 900, the terminal device 1000, and the communication apparatus 1100 provided in the embodiment of the present application can be used to execute the method provided in the embodiment shown in fig. 5 or the embodiment shown in fig. 6, the technical effect obtained by the method can refer to the above method embodiment, and will not be described again here.

Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Versatile Disk (DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.

It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to encompass such modifications and variations.

Claims

1. A method of communication, comprising:

the first network equipment configures a first offset value for the first terminal equipment; the first terminal device accesses the first network device in a frequency division duplex mode, and the first offset value is used for determining uplink control channel resources of the first terminal device;

the first network equipment configures a second offset value for second terminal equipment; the second terminal device accesses the first network device in a frequency division duplex mode, the second offset value is used for determining uplink control channel resources of the second terminal device, and the first offset value is different from the second offset value;

the method further comprises the following steps:

the first network equipment configures a feedback time sequence for the first terminal equipment; the feedback time sequence is a corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, all downlink subframes of a wireless frame have corresponding uplink subframes in the feedback time sequence, and the feedback information comprises Acknowledgement (ACK)/Negative Acknowledgement (NACK); wherein,

wherein n is 0,1, … …, or 9.

2. The method of claim 1, wherein the method further comprises:

the first network device configuring the second offset value for the first terminal device;

and the first network equipment sends first indication information to the first terminal equipment, wherein the first indication information is used for indicating the first terminal equipment to use the first offset value to determine the uplink control channel resource of the first terminal equipment.

3. The method of claim 1 or 2, wherein the method further comprises:

and the first network equipment sends second indication information to the first terminal equipment, wherein the second indication information is used for indicating the value of n, or the second indication information is used for indicating an offset, and the offset is used for determining the value of n.

4. A method of communication, comprising:

the first terminal device receiving a first offset value and a second offset value from the first network device; the first offset value and the second offset value are both used for determining uplink control channel resources, and the first terminal equipment is accessed to the first network equipment in a frequency division duplex mode;

the first terminal equipment receives first indication information from the first network equipment;

the first terminal equipment determines that the first terminal equipment uses the first offset value to determine uplink control channel resources of the first terminal equipment according to the first indication information;

the method further comprises the following steps:

the first terminal equipment receives third indication information from the first network equipment;

the first terminal device determines a feedback time sequence configured for the first terminal device by the first network device according to the third indication information; the feedback time sequence is a corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, all downlink subframes of a wireless frame have corresponding uplink subframes in the feedback time sequence, and the feedback information comprises Acknowledgement (ACK)/Negative Acknowledgement (NACK); wherein,

wherein n is 0,1, … …, or 9.

5. The method of claim 4, wherein the method further comprises:

the first terminal equipment receives second indication information from the first network equipment;

and the first terminal equipment determines the value of n according to the second indication information, or determines the offset according to the second indication information, wherein the offset is used for determining the value of n.

6. A method of communication, comprising:

the first network equipment configures a feedback time sequence for the first terminal equipment; the feedback time sequence is used for indicating the corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, in the feedback time sequence, all downlink subframes of a wireless frame have corresponding uplink subframes, the feedback information comprises Acknowledgement (ACK)/Negative Acknowledgement (NACK), in the feedback time sequence, each uplink subframe occupied by the first terminal equipment for sending the feedback information to the first network equipment has corresponding relation with the (n-4) th downlink subframe, at least one uplink subframe has corresponding relation with at least two downlink subframes, and the first terminal equipment is accessed to the first network equipment in a frequency division duplex mode;

the first network device sends first indication information to the first terminal device, the first indication information being used for indicating the feedback timing sequence, wherein,

wherein n is 0,1, … …, or 9.

7. The method of claim 6, wherein the method further comprises:

8. A method of communication, comprising:

the first terminal equipment determines a feedback time sequence configured for the first terminal equipment by the first network equipment according to the first indication information; the feedback time sequence is the corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, all downlink subframes of a wireless frame have corresponding uplink subframes in the feedback time sequence, the feedback information comprises Acknowledgement (ACK)/Negative Acknowledgement (NACK), in the feedback time sequence, each uplink subframe occupied by the first terminal equipment for sending the feedback information to the first network equipment has corresponding relation with the (n-4) th downlink subframe, at least one uplink subframe has corresponding relation with at least two downlink subframes, the first terminal equipment is accessed to the first network equipment in a frequency division duplex mode, wherein,

wherein n is 0,1, … …, or 9.

9. The method of claim 8, wherein the method further comprises:

10. A network device, comprising:

the first processing module is used for configuring a first offset value for the first terminal equipment; the first terminal device accesses the network device in a frequency division duplex mode, and the first offset value is used for determining uplink control channel resources of the first terminal device;

the second processing module is used for configuring a second offset value for the second terminal equipment; the second terminal device accesses the network device in a frequency division duplex mode, the second offset value is used for determining uplink control channel resources of the second terminal device, and the first offset value is different from the second offset value;

the first processing module is further configured to configure a feedback time sequence for the first terminal device; the feedback time sequence is a corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the network equipment and a downlink subframe corresponding to the feedback information, all downlink subframes of a wireless frame have corresponding uplink subframes in the feedback time sequence, and the feedback information comprises Acknowledgement (ACK)/Negative Acknowledgement (NACK); wherein,

wherein n is 0,1, … …, 9.

11. The network device of claim 10, wherein the network device further comprises a transceiver module;

the first processing module is further configured to configure the second offset value for the first terminal device;

the transceiver module is configured to send first indication information to the first terminal device, where the first indication information is used to indicate the first terminal device to determine an uplink control channel resource of the first terminal device using the first offset value.

12. The network device of claim 10 or 11, wherein the network device further comprises a transceiver module to:

and sending second indication information to the first terminal device, wherein the second indication information is used for indicating the value of n, or the second indication information is used for indicating an offset, and the offset is used for determining the value of n.

13. A terminal device, comprising:

a transceiver module for receiving a first offset value and a second offset value from a first network device; the first offset value and the second offset value are both used for determining uplink control channel resources, and the terminal equipment is accessed to the first network equipment in a frequency division duplex mode; and receiving first indication information from the first network device;

a processing module, configured to determine, according to the first indication information, that the terminal device uses the first offset value to determine an uplink control channel resource of the terminal device;

the transceiver module is further configured to receive third indication information from the first network device;

the processing module is further configured to determine a feedback time sequence configured by the first network device for the terminal device according to the third indication information; the feedback time sequence is a corresponding relation between an uplink subframe occupied by the terminal equipment for sending feedback information to the first network equipment and a downlink subframe corresponding to the feedback information, all downlink subframes of a wireless frame have corresponding uplink subframes in the feedback time sequence, and the feedback information comprises Acknowledgement (ACK)/Negative Acknowledgement (NACK); wherein,

wherein n is 0,1, … …, 9.

14. The terminal device of claim 13,

the transceiver module is further configured to receive second indication information from the first network device;

the processing module is further configured to determine a value of n according to the second indication information, or determine an offset according to the second indication information, where the offset is used to determine the value of n.

15. A network device, comprising:

the processing module is used for configuring a feedback time sequence for the first terminal equipment; the feedback time sequence is a corresponding relation between an uplink subframe occupied by the first terminal equipment for sending feedback information to the network equipment and a downlink subframe corresponding to the feedback information, all downlink subframes of a wireless frame have corresponding uplink subframes in the feedback time sequence, the feedback information comprises Acknowledgement (ACK)/Negative Acknowledgement (NACK), in the feedback time sequence, each uplink subframe occupied by the first terminal equipment for sending the feedback information to the network equipment has a corresponding relation with the (n-4) th downlink subframe, at least one uplink subframe has a corresponding relation with at least two downlink subframes, and the first terminal equipment is accessed to the network equipment in a frequency division duplex mode;

a transceiver module, configured to send first indication information to the first terminal device, where the first indication information is used to indicate the feedback timing sequence, where,

wherein n is 0,1, … …, 9.

16. The network device of claim 15,

the transceiver module is further configured to send second indication information to the first terminal device, where the second indication information is used to indicate a value of n, or the second indication information is used to indicate an offset, and the offset is used to determine the value of n.

17. A terminal device, comprising:

the receiving and sending module is used for receiving first indication information from the first network equipment;

the processing module is used for determining a feedback time sequence configured by the first network device for the terminal device according to the first indication information; the feedback time sequence is the corresponding relation between the uplink sub-frame occupied by the terminal equipment for sending feedback information to the first network equipment and the downlink sub-frame corresponding to the feedback information, in the feedback time sequence, all downlink sub-frames of a wireless frame have corresponding uplink sub-frames, the feedback information comprises Acknowledgement (ACK)/Negative Acknowledgement (NACK), in the feedback time sequence, each uplink sub-frame occupied by the terminal equipment for sending the feedback information to the first network equipment has corresponding relation with the (n-4) th downlink sub-frame, at least one uplink sub-frame has corresponding relation with at least two downlink sub-frames, the terminal equipment is accessed to the first network equipment in a frequency division duplex mode, wherein,

wherein n is 0,1, … …, 9.

18. The terminal device of claim 17,

19. A computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the method of any one of claims 1-9.