CN109565375B

CN109565375B - Resource indication method and equipment

Info

Publication number: CN109565375B
Application number: CN201780048599.8A
Authority: CN
Inventors: 王达; 王键
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-05-04
Filing date: 2017-06-13
Publication date: 2021-01-05
Anticipated expiration: 2037-06-13
Also published as: CN109565375A; WO2018201555A1

Abstract

A method and equipment for indicating resources relate to the technical field of communication, and the method comprises the steps that first equipment generates a first signaling and sends the first signaling to second equipment, the second equipment determines a time slot for transmitting feedback information of at least one CBG according to the first signaling after receiving the first signaling of the first equipment, wherein the first signaling is used for indicating at least one time slot, the at least one time slot is used for transmitting the at least one feedback information, and the at least one feedback information is used for the second equipment for receiving the feedback information of the at least one CBG included in a TB sent by the first equipment. Therefore, according to the above technical solution, after receiving the CBG included in the TB, the second device can send the feedback information of the CBG to the first device directly according to the first signaling, which is helpful for reducing the time delay required for feeding back the reception situation of the TB in the NR system.

Description

Resource indication method and equipment

The present application claims priority of chinese patent application having application number 201710309012.6 and application name "a transmission method of uplink control channel" filed in 04/05/2017 by the chinese patent office, the entire contents of which are incorporated herein by reference.

Technical Field

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

Background

In Long Term Evolution (Long Term Evolution, LTE), a Transport Block (Transport Block, TB) includes at least one Code Block Group (CBG), each CBG includes at least one Code Block (Code Block, CB), and in LTE, a receiving end generally feeds back a receiving condition of the TB in units of TBs, for example, in Frequency Division Duplex (FDD), after the receiving end receives the TB in an nth subframe, the receiving end feeds back the receiving condition of the TB in an (N +4) th subframe, and for example, the receiving end confirms that the TB received in the nth subframe is correct, and then feeds back an Acknowledgement (ACK) in the (N +4) th subframe; when the receiving end confirms that the TB received at the nth subframe is erroneous, a Negative Acknowledgement (NACK) is fed back at the (N +4) th subframe.

However, in New Radio (NR), the scheduling unit of the TB is a time slot or a subframe, and slot or subframe aggregation is supported, for example, as shown in fig. 1a, one downlink control signaling may schedule one TB to be transmitted on multiple slots (slots), or as shown in fig. 1b, one downlink control signaling may schedule multiple TBs on multiple slots.

In summary, since the TBs in the NR can be transmitted over multiple subframes or timeslots, when the LTE is used for feeding back the reception of the TBs in units of the TBs, the receiving end needs to receive all CBGs before feeding back the reception of the TBs, which easily results in a large delay required for feeding back the reception of the TBs.

Disclosure of Invention

The invention provides a method and equipment for indicating resources, which are beneficial to reducing the time delay required by the receiving situation of a feedback TB in an NR system.

In a first aspect, an embodiment of the present application provides a method for resource indication, including:

the method comprises the steps that a first device generates a first signaling and sends the first signaling to a second device, wherein the first signaling is used for indicating at least one time domain resource unit, the at least one time domain resource unit is used for transmitting at least one piece of feedback information, and the at least one piece of feedback information is the feedback information of at least one code block group CBG in a transmission block TB received by the second device and sent by the first device.

Since the at least one time domain resource unit indicated by the first signaling is used to transmit the feedback information that the second device receives the at least one CBG sent by the first device, that is, the second device can send the feedback information of the CBG to the first device directly according to the first signaling after receiving the CBG included in the TB, compared with the prior art in which the second device feeds back the feedback information of the TB to the first device after receiving all CBGs included in the TB, it is helpful to reduce the delay required for feeding back the reception situation of the TB in the NR system.

In one possible design, based on the first aspect, the first signaling includes a first offset; or, the first signaling includes a first index value, and the first index value is used for indexing a first offset in the offset set;

the first offset is an offset between the second time domain resource unit and the first time domain resource unit, or the first offset is an offset between the second time domain resource unit and the first time domain resource unit and offsets a basic offset; the first time domain resource unit is used for transmitting a first CBG, the second time domain resource unit is used for transmitting feedback information of the first CBG, and the first CBG is one CBG of at least one CBG.

By the method, a mode of indicating the time domain resource unit for transmitting the feedback information of the CBG can be simplified.

It should be noted that the basic offset may be configured in the first device and the second device in advance, or the second device determines the basic offset according to its own data processing capability and then notifies the basic offset to the first device, which is not limited in this embodiment of the present application.

Based on the first aspect, in a possible implementation manner, the first time domain resource unit is further configured to transmit a second CBG, where the second CBG is one CBG of the at least one CBG, the second CBG is different from the first CBG, and the second time domain resource unit is further configured to transmit feedback information of the second CBG.

By the method, the overhead of the first signaling is reduced.

Based on the first aspect, in a possible implementation manner, the first time domain resource unit is one of at least one time domain resource unit that transmits the first CBG.

By the method, the overhead of the first signaling is reduced.

Based on the first aspect, in a possible implementation manner, the offset set is preconfigured in the first device and the second device; alternatively, the first and second electrodes may be,

the offset set is notified to the second device by system broadcast signaling or radio resource control, RRC, signaling.

By the method, the second device can determine the time domain resource unit for transmitting the feedback information of the CBG according to the first signaling.

Based on the first aspect, in a possible design, the first time domain resource unit is further configured to transmit at least one third CBG, where the at least one third CBG is a CBG of the at least one CBG, the second time domain resource unit is configured to transmit at least one first feedback information of the at least one feedback information, and each of the at least one first feedback information is feedback information of the first CBG and at least two CBGs of the at least one third CBG, and the at least two CBGs corresponding to each first feedback information are not identical.

By the method, the overhead of signaling for carrying the feedback information of the CBG is reduced.

Based on the first aspect, in a possible design, if the first device transmits the first CBG and the at least one third CBG to the second device again through the third time domain resource unit, the at least one time domain resource unit further includes a fourth time domain resource unit, the fourth time domain resource unit is configured to transmit at least one second feedback information, each of the at least one second feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG transmitted in the third time domain resource unit, and the at least two CBGs corresponding to each of the at least one second feedback information are not completely the same, where the at least two CBGs corresponding to the at least one second feedback information are not completely the same as the at least two CBGs corresponding to the at least one first feedback information.

By the method, the first device can determine the CBG with errors in the CBGs received by the second device after receiving the feedback information sent by the second device.

In a possible design based on the first aspect, the time domain resource unit is a symbol, a slot, or a subframe.

Based on the first aspect, in one possible design, the first signaling is RRC signaling or downlink control information DCI.

In a second aspect, an embodiment of the present application further provides a method for indicating a resource, including:

and the second equipment receives a first signaling sent by the first equipment, and determines a time domain resource unit for transmitting the feedback information of the at least one CBG according to the first signaling. The first signaling is configured to indicate at least one time domain resource unit, where the at least one time domain resource unit is configured to transmit at least one feedback information, and the at least one feedback information is feedback information of at least one code block group CBG included in a transport block TB that is received by a second device and sent by the first device.

In one possible design, based on the second aspect, the first signaling includes a first offset; or, the first signaling includes a first index value, and the first index value is used for indexing a first offset in an offset set;

wherein the first offset is an offset between a second time domain resource unit and a first time domain resource unit, or the first offset is an offset between the second time domain resource unit and the first time domain resource unit and is offset by a basic offset; the first time domain resource unit is configured to transmit a first CBG, the second time domain resource unit is configured to transmit feedback information of the first CBG, and the first CBG is one of the at least one CBG.

Based on the second aspect, in one possible design, the first time domain resource unit is further configured to transmit a second CBG, where the second CBG is one of the at least one CBG, and the second CBG is different from the first CBG, and the second time domain resource unit is further configured to transmit feedback information of the second CBG.

By the method, the overhead of the first signaling is reduced.

Based on the second aspect, in one possible design, the first time domain resource unit is one of at least one time domain resource unit transmitting the first CBG.

By the method, the overhead of the first signaling is reduced.

Based on the second aspect, in one possible design, the set of offsets is preconfigured in the first device and the second device; alternatively, the first and second electrodes may be,

and the second equipment acquires the offset set by receiving system broadcast signaling or Radio Resource Control (RRC) signaling.

Based on the second aspect, in a possible design, the first time domain resource unit is further configured to transmit at least one third CBG, where the at least one third CBG is a CBG of the at least one CBG, the second time domain resource unit is configured to transmit at least one first feedback information of the at least one feedback information, and each of the at least one first feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG, and the at least two CBGs corresponding to each first feedback information are not completely the same.

Based on the second aspect, in a possible design, if the first device transmits the first CBG and the at least one third CBG to the second device again through a third time domain resource unit, the at least one time domain resource unit further includes a fourth time domain resource unit, the fourth time domain resource unit is configured to transmit at least one second feedback information, each of the at least one second feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG transmitted in the third time domain resource unit, and at least two CBGs corresponding to each of the at least one second feedback information are not completely the same, where the at least two CBGs corresponding to the at least one second feedback information are not completely the same as the at least two CBGs corresponding to the at least one first feedback information.

In a possible design based on the second aspect, the time domain resource unit is a symbol, a slot, or a subframe.

Based on the second aspect, in one possible design, the first signaling is RRC signaling or downlink control information DCI.

In a third aspect, an embodiment of the present application further provides a first device, where the first device has a function of implementing the behavior of the first device in the method example of the first aspect. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or the software includes one or more modules corresponding to the above-described functions.

In a possible design, the structure of the first device includes a transceiver unit and a processing unit, and these units may perform corresponding functions in the foregoing method example, which is specifically referred to for detailed description in the method example, and are not described herein again.

In a fourth aspect, an embodiment of the present application provides a first device, including a processor and a transceiver, where the processor is configured to generate a first signaling, where the first signaling is used to indicate at least one time domain resource unit, the at least one time domain resource unit is used to transmit at least one piece of feedback information, and the at least one piece of feedback information is feedback information of at least one code block group CBG included in a transport block TB sent by a second device, where the feedback information is received by the second device; the transceiver is configured to transmit the first signaling to the second device.

In one possible design, based on the fourth aspect, the first signaling includes a first offset; or, the first signaling includes a first index value, and the first index value is used for indexing a first offset in an offset set;

Based on the fourth aspect, in one possible design, the first time domain resource unit is further configured to transmit a second CBG, where the second CBG is one of the at least one CBG, and the second CBG is different from the first CBG, and the second time domain resource unit is further configured to transmit feedback information of the second CBG.

Based on the fourth aspect, in one possible design, the first time domain resource unit is one of at least one time domain resource unit transmitting the first CBG.

Based on the fourth aspect, in one possible design, the set of offsets is preconfigured in the first device and the second device; alternatively, the first and second electrodes may be,

the offset set is notified to the second device through system broadcast signaling or Radio Resource Control (RRC) signaling.

Based on the fourth aspect, in a possible design, the first time domain resource unit is further configured to transmit at least one third CBG, where the at least one third CBG is a CBG of the at least one CBG, the second time domain resource unit is configured to transmit at least one first feedback information of the at least one feedback information, and each of the at least one first feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG, and the at least two CBGs corresponding to each first feedback information are not completely the same.

Based on the fourth aspect, in a possible design, if the first device transmits the first CBG and the at least one third CBG to the second device again through a third time domain resource unit, the at least one time domain resource unit further includes a fourth time domain resource unit, the fourth time domain resource unit is configured to transmit at least one second feedback information, each of the at least one second feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG transmitted in the third time domain resource unit, and at least two CBGs corresponding to each of the at least one second feedback information are not completely the same, where the at least two CBGs corresponding to the at least one second feedback information are not completely the same as the at least two CBGs corresponding to the at least one first feedback information.

In a possible design based on the fourth aspect, the time domain resource unit is a symbol, a slot, or a subframe.

In a possible design according to the fourth aspect, the first signaling is RRC signaling or downlink control information DCI.

In a fifth aspect, this embodiment of the present application further provides a computer storage medium, where a software program is stored, and the software program can implement the method provided by the first aspect or any one of the designs of the first aspect when being read and executed by one or more processors.

In a sixth aspect, an embodiment of the present application provides a second device, where the second device has a function of implementing the behavior of the second device in the method example of the second aspect. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or the software includes one or more modules corresponding to the above-described functions.

In a possible design, the structure of the second device includes a transceiver unit and a processing unit, and these units may perform corresponding functions in the foregoing method example, which is specifically referred to the detailed description in the method example, and is not described herein again.

In a seventh aspect, an embodiment of the present application further provides a second device, including: the system comprises a processor and a transceiver, wherein the transceiver is configured to receive a first signaling sent by a first device, the first signaling is used to indicate at least one time domain resource unit, the at least one time domain resource unit is used to transmit at least one piece of feedback information, and the at least one piece of feedback information is feedback information of at least one code block group CBG included in a transport block TB sent by a second device, which is received by the second device; the processor is configured to determine a time domain resource unit for transmitting feedback information of the at least one CBG according to the first signaling.

In a possible design, based on the seventh aspect, the first signaling includes a first offset; or, the first signaling includes a first index value, and the first index value is used for indexing a first offset in an offset set;

Based on the seventh aspect, in one possible design, the first time domain resource unit is further configured to transmit a second CBG, where the second CBG is one of the at least one CBG, the second CBG is different from the first CBG, and the second time domain resource unit is further configured to transmit feedback information of the second CBG.

In a possible design based on the seventh aspect, the first time domain resource unit is one of at least one time domain resource unit that transmits the first CBG.

Based on the seventh aspect, in one possible design, the set of offsets is preconfigured in the first device and the second device; alternatively, the first and second electrodes may be,

Based on the seventh aspect, in a possible design, the first time domain resource unit is further configured to transmit at least one third CBG, where the at least one third CBG is a CBG of the at least one CBG, the second time domain resource unit is configured to transmit at least one first feedback information of the at least one feedback information, and each of the at least one first feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG, and the at least two CBGs corresponding to each first feedback information are not completely the same.

Based on the seventh aspect, in a possible design, if the first device transmits the first CBG and the at least one third CBG to the second device again through a third time domain resource unit, the at least one time domain resource unit further includes a fourth time domain resource unit, the fourth time domain resource unit is configured to transmit at least one second feedback information, each of the at least one second feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG transmitted in the third time domain resource unit, and at least two CBGs corresponding to each of the at least one second feedback information are not completely the same, where the at least two CBGs corresponding to the at least one second feedback information are not completely the same as the at least two CBGs corresponding to the at least one first feedback information.

In a possible design based on the seventh aspect, the time domain resource unit is a symbol, a slot, or a subframe.

Based on the seventh aspect, in one possible design, the first signaling is RRC signaling or downlink control information DCI.

In an eighth aspect, embodiments of the present application further provide a computer storage medium, where a software program is stored, and when the software program is read and executed by one or more processors, the software program may implement the method provided by the second aspect or any one of the designs of the second aspect.

In a ninth aspect, an embodiment of the present application further provides a communication system, including the first device provided in any one of the possible designs of the fourth aspect and the fourth aspect in the embodiment of the present application, and the second device provided in any one of the possible designs of the seventh aspect and the seventh aspect in the embodiment of the present application.

Drawings

Fig. 1a and 1b are schematic diagrams of a scheduling manner of a TB in an NR system, respectively;

FIG. 2 is a flowchart illustrating a method for resource indication according to an embodiment of the present application;

FIG. 3a and FIG. 3b are schematic diagrams of an embodiment TB of the present application;

FIG. 4a and FIG. 4b are schematic diagrams illustrating resource indication according to an embodiment of the present application;

fig. 5a and 5b are respectively schematic structural diagrams of a first device according to an embodiment of the present application;

fig. 6a and fig. 6b are schematic structural diagrams of a second apparatus according to an embodiment of the present application, respectively;

fig. 7 is a schematic structural diagram of a communication system according to an embodiment of the present application.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

The embodiment of the present application is applicable to a slot aggregation scenario (slot aggregation), and in particular, may be applied to a communication system, such as an NR system, which may schedule a TB on one or more time domain resource units. It should be understood that the Time domain resource unit in the embodiment of the present application may be a slot (slot), a subframe, a symbol, a Transmission Time Interval (TTI), a mini-slot (mini-slot), and other structures having the same function, and is not limited in this embodiment of the present application. The first signaling in the embodiment of the present application may be Radio Resource Control (RRC) signaling or Downlink Control Information (DCI).

Specifically, when the embodiments of the present application are applied to a scenario of feedback information of downlink transmission data and uplink transmission data, it should be understood that the first device in the embodiments of the present application may be a network device, wherein the network device may be a Base Station, or an ACCESS POINT, or may refer to a device in the ACCESS network that communicates with the wireless terminal through one or more sectors on the air interface, the network device may be a device such as a network device for communicating with the mobile device, the network device may be an ACCESS POINT (AP) in the WLAN, a Base Transceiver Station (BTS) in the GSM or Code Division Multiple ACCESS (CDMA), a Base Station (NodeB, NB) in the WCDMA, or an evolved Node B (eNB or eNodeB) in the LTE, or relay stations or access points, or vehicle-mounted devices, wearable devices, and network devices in future 5G networks or network devices in future evolved PLMN networks, etc. The embodiments of the present application are not limited. The second device may be a terminal device in embodiments of the present application, wherein the terminal device may be a device for providing voice and/or data connectivity to a user, a handheld device having wireless connection capability, or other processing device connected to a wireless modem in embodiments of the present application. The terminal may also be a wireless terminal, wherein the wireless terminal may communicate with one or more core networks via a Radio Access Network (RAN), and the wireless terminal may be a mobile terminal, such as a mobile phone (or referred to as a "cellular" phone), or a computer with a mobile terminal, for example, a computer with a mobile terminal may be a portable, pocket, hand-held, computer-included, or vehicle-mounted mobile device, which exchanges languages and/or data with the RAN. For example, the Wireless terminal may be a Personal Communication Service (PCS) phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), or the like. The wireless Terminal may also be referred to as a system, a Subscriber Unit (Subscriber Unit), a Subscriber Station (Subscriber Station), a Mobile Station (Mobile), a Remote Station (Remote Station), an Access Point (Access Point, AP), a Remote Terminal (Remote Terminal), an Access Terminal (Access Terminal), a User Terminal (User Terminal), a User Agent (User Agent), a User Device (User Device), or a User Equipment (User Equipment), and the embodiments of the present application are not limited.

When the embodiment of the application is applied to feedback information of uplink transmission data and downlink transmission data, the first device may be a terminal device, and the second device is a network device.

It should be understood that, in this embodiment of the application, the feedback information sent by the second device is used to indicate a receiving situation that the second device receives the CBG sent by the first device, for example, if the CBG received by the second device is in error, the feedback information of the CBG is Negative Acknowledgement (NACK), and if the CBG received by the second device is correct, the feedback information of the CBG is Acknowledgement (ACK).

Since the feedback information of at least one CBG included in the TB is fed back on the time domain resource unit indicated by the first signaling in the embodiment of the present application, rather than the feedback information of the TB fed back after all CBGs in the TB are received, compared with the prior art, the reception condition of the CBG can be fed back quickly, which is beneficial to reducing the time delay required for feeding back the reception condition of the TB.

Taking a time slot as an example, a method for indicating resources in the embodiment of the present application is described in detail below, and when the time domain resource unit has other structures with the same function, such as a subframe, a symbol, a mini-slot, a TTI, and the like, the implementation manner of the time slot is similar.

As shown in fig. 2, a method for resource indication in an embodiment of the present application includes:

step 200, the first device generates a first signaling, where the first signaling is used to indicate at least one time slot, the at least one time slot is used to transmit at least one feedback information, and the at least one feedback information is feedback information of at least one CBG included in a TB sent by the first device and received by the second device.

Step 201, a first device sends a first signaling to a second device.

Step 202, after receiving the first signaling of the first device, the second device determines a time slot for transmitting the feedback information of the at least one CBG according to the first signaling.

Specifically, in this embodiment of the present application, an implementation manner of an optional first signaling is as follows: the first signaling comprises a first offset, wherein the first offset is an offset between a second slot and a first slot, the first slot is used for transmitting a first CBG, the first CBG is one of at least one CBG included in the TB, and the second slot is used for transmitting feedback information of the first CBG.

For example, in order to save signaling overhead, the first signaling only includes one first offset, and the first offset is applied to each CBG included in the TB, specifically, for each CBG included in the TB, an offset between a slot transmitting feedback information of the CBG and a slot transmitting the CBG is the same.

Although the above scheme saves signaling overhead, a network device needs to reasonably schedule, that is, reasonably arrange the ratio of uplink and downlink timeslots, for example, as shown in fig. 3a, a TB includes CBG1, CBG2, and CBG3, where slot 1 is used for the first device to transmit CBG1 to the second device, slot 3 is used for the first device to transmit CBG2 to the second device, and slot 5 is used for the first device to transmit CBG3 to the second device, if a first offset is 1, a resource for the second device to transmit CBG feedback information to the first device needs to be arranged after slot 1, slot 3, and slot 5, and a specific slot 2 is used for transmitting feedback information of CBG1, slot 4 is used for transmitting feedback information of CBG2, and slot 6 is used for transmitting feedback information of CBG 3.

Taking fig. 3b as an example, the TB includes CBG1, CBG2, CBG3 and CBG4, where slot 1 is used for the first device to transmit CBG1 and CBG2 to the second device, slot 3 is used for the first device to transmit CBG3 to the second device, slot 5 is used for the first device to transmit CBG4 to the second device, if the first offset is 1, slot 2 is used for the second device to transmit feedback information of CBG1 and feedback information of CBG2 to the first device, slot 4 is used for the second device to transmit feedback information of CBG3 to the first device, and slot 6 is used for the second device to transmit feedback information of CBG4 to the first device, and it should be noted that, since slot 1 is used for the first device to transmit both CBG1 and CBG2 to the second device, when the first offset is 1, the second device may transmit both feedback information of CBG 6348 to the first device and transmit feedback information of CBG1 to the second device 1 or transmit both CBG2 and the feedback information to the first device to receive feedback information of CBG1, for example, if any one of the CBG1 and CBG2 receives an error, the feedback information common to the CBG1 and CBG2 is NACK, and when both the CBG1 and CBG2 receive a correct error, the feedback information common to the CBG1 and CBG2 is ACK.

For example, the first signaling includes a plurality of first offsets, and taking fig. 3a as an example, if the first signaling includes offset 1, offset 2, and offset 3, where offset 1 is an offset between a slot for transmitting feedback information of CBG1 and slot 1, offset 2 is an offset between slot 3 and feedback information of CBG2, and offset 3 is an offset between slot 5 and feedback information of CBG3, and when the feedback information of CBG1, the feedback information of CBG2, and the feedback information of CBG3 are all transmitted in slot 6, offset 1 is 5, offset 2 is 3, and offset 3 is 1. In addition, the feedback information of the CBG1, the feedback information of the CBG2, and the feedback information of the CBG3 may also be transmitted in different time slots, and the offset 1, the offset 2, and the offset 3 are different, or any two of the feedback information of the CBG1, the feedback information of the CBG2, and the feedback information of the CBG3 may be transmitted in the same time slot, which is not limited in this embodiment of the present application. When the TB is as shown in fig. 3b, if the first signaling includes offset 1, offset 2, offset 3 and offset 4, where offset 1 is used to indicate a timeslot in which the second device transmits the feedback information of CBG1 to the first device, offset 2 is used to indicate a timeslot in which the second device transmits the feedback information of CBG2 to the first device, offset 3 is used to indicate a timeslot in which the second device transmits the feedback information of CBG3 to the first device, and offset 4 is used to indicate a timeslot in which the second device transmits the feedback information of CBG4 to the first device, and since the first device occupies both timeslots 1 when transmitting CBG1 and CBG2 to the second device, in order to save signaling overhead, offset 1 and offset 2 may be set to be the same, and when offset 1 and offset 2 are the same, only one offset may be transmitted in the first signaling, but both transceivers need to have a unified agreement, therefore, the second device is not confused, for example, if a plurality of CBGs are transmitted in one time slot, the transceiving protocol uses the offset of one CBG, for example, CBG1 and CBG2 are transmitted in the same time slot, the first device can only indicate the offset of CBG1 when indicating, and the offset of CBG2 is not indicated.

In addition, in this embodiment of the present application, the TB may further include a first CBG, where the first CBG occupies at least two slots for transmission, and a first slot in an offset between a slot for transmitting feedback information of the first CBG and the first slot is any one of at least two slots that can be used for transmitting the first CBG, and optionally, the first slot is a slot in the at least two slots for transmitting a last part of the first CBG, and taking fig. 4a as an example, the CBG occupies slot 1, slot 2, slot 3, and slot 4 for transmission, and if slot 1 is used for transmitting a starting part of the CBG, slot 2 is used for transmitting a second part of the CBG, slot 3 is used for transmitting a fourth part of the CBG, slot 4 is used for transmitting the last part of the CBG, and slot n is used for transmitting feedback information of the CBG, then the feedback information of the CBG can be transmitted through slot n and slot 1, b, The offset between any one of slot 2, slot 3 and slot 4 indicates the slot for transmitting the feedback information of the CBG, and optionally, the slot for transmitting the feedback information of the CBG is indicated by the offset between the slot for transmitting the feedback information of the CBG and slot 4, in such a way that the slot for transmitting the feedback information of the CBG is indicated, which helps to reduce signaling overhead.

Specifically, another optional implementation manner of the first signaling in this embodiment of the application is: the first signaling comprises a first offset, wherein the first offset is an offset between a second time slot and the first time slot and is offset from a basic offset, the first time slot is used for transmitting a first CBG, the first CBG is one of at least one CBG included in the TB, and the second time slot is used for transmitting feedback information of the first CBG.

The basic offset may be configured in the first device and the second device in advance, or the basic offset is determined by the second device according to its own data processing capability and is notified to the first device by the second device, where the data processing capability of the second device is used to balance the accuracy of reading the information or the rate of reading the information of the second device, and the like. It should be noted that the basic offset is usually not less than 0, and the positive and negative of the basic offset are not specifically limited in the embodiment of the present application.

For example, if the base offset is 2 and the first offset is 1, the offset between the second slot and the first slot is 3; or the base offset is 3 and the first offset is-1, the offset between the second slot and the first slot is 2. In this embodiment, the manner of indicating the timeslot for transmitting the feedback information of the CBG through the first offset is similar to the manner of indicating the timeslot for transmitting the feedback information of the CBG when the first offset is the offset between the second timeslot and the first timeslot, and details are not repeated here.

It should be noted that, the offset between the second slot and the first slot may also be determined by a first offset and a base offset included in the first signaling, and a specific determination rule may be predefined in the first device and the second device, for example, if the first offset is 6 and the base offset is 3, the offset between the second slot and the first slot is 6/3-2, or the first offset is 1 and the base offset is 2If the shift amount is 2, the offset between the second slot and the first slot is 1 × 2 — 2, or if the first offset is 3 and the basic offset is 2, the offset between the second slot and the first slot is 3²Or, if the first offset is 2 and the base offset is 4, the offset between the second timeslot and the first timeslot is 4-2 — 2, and the like.

Another optional implementation manner of the first signaling in the embodiment of the present application is: the first signaling comprises a first index value, wherein the first index value is used for indexing a first offset in the offset set, and the first offset is an offset between the second time slot and the first time slot or an offset between the second time slot and the first time slot and a basic offset; the second time slot is used for transmitting feedback information of a first CBG, the first time slot is used for transmitting the first CBG, and the first CBG is one of at least one CBG included in the TB.

It should be noted that, in this embodiment of the present application, the offset set may be preset in the first device and the second device, and the offset set may also be notified to the second device through a system broadcast signaling or an RRC signaling, specifically, the first device sends the system broadcast signaling or the RRC signaling carrying the offset set to the second device, and the second device obtains the offset set through the system broadcast signaling or the RRC signaling.

In addition, the offset set may include at least one offset, and a corresponding relationship between the index value and the offset included in the offset set is preconfigured, for example, the offset set {1, 3, 6}, includes an offset 1, an offset 3, and an offset 6, where the offset 1 corresponds to the index value 0, the offset 3 corresponds to the index value 1, and the offset 6 corresponds to the index value 2, and when the first signaling includes the index value 0, the corresponding offset is 1.

It should also be noted that the first signaling may include one first index value or may include multiple first index values, and a specific implementation manner is similar to an implementation manner in which the first signaling includes one first offset or the first signaling includes multiple first offsets, and details are not repeated here.

When the first device sends the TB to the second device, there may be a case where at least two CBGs in the TB are repeatedly sent, where when the at least two repeatedly sent CBGs occupy one slot, feedback information of the at least two CBGs may be fed back in an interleaved CBG bundling manner. For example, as shown in fig. 4b, CBG1, CBG2, CBG3, and CBG4 included in the TB are transmitted to the second device through slot 1 for the first time and slot 3 for the second time, it is assumed that slot 2 is used to transmit feedback information of CBG1, CBG2, CBG3, and CBG4 for the first time, in order to save signaling overhead, feedback information 1 is used to indicate reception of CBG1 and CBG2, feedback information 2 is used to feed back reception of CBG3 and CBG4, where feedback information 1 and feedback information 2 are transmitted to the first device on slot 2, it is assumed that slot 4 is used to transmit feedback information of CBG1, CBG2, CBG3, and CBG4 for the second time, in order to be able to confirm which of CBG1, CBG2, CBG3, and CBG 9 is received with a problem, feedback information 3 is used to feed back CBG2 and CBG 6356, and feedback information is used to receive CBG 864 and feedback information 8653 on slot 2, when the first device receives feedback information and slot 861, respectively, In the feedback information 2, after receiving the feedback information 3 and the feedback information 4 in the time slot 4, if the feedback information 1 is NACK, the feedback information 2 is ACK, the feedback information 3 is ACK, and the feedback information 4 is NACK, the first device can determine that the CBG2 received by the second device is erroneous. The first device then simply retransmits the CBG 2.

When a plurality of CBGs occupy the same time slot for retransmission for multiple times, the first device may preset a CBG bundling mode in feedback information and notify the second device through a first signaling, or may respectively preset CBG bundling modes in the first device and the second device, and the second device sends the feedback information according to the preset CBG bundling mode; or after the second device receives the CBG each time, the second device selects different CBG bundling modes to send feedback information to the first device, and informs the first device of the CBG bundling mode adopted at the time.

In this embodiment, it should be further noted that, because the Uplink transmission resource in the NR includes a short Physical Uplink Control Channel (PUCCH) or an ion PUCCH, a slot may be a long slot or a short slot, and a slot used for transmitting CBG feedback information in this embodiment may be a long slot or a short slot, which is not limited in this embodiment.

Based on the same concept, the embodiment of the present application further provides a first device, and the first device is configured to perform the actions or functions of the first device in the above method embodiments.

Based on the same concept, the embodiment of the present application further provides a second device, and the second device is configured to perform the actions or functions of the second device in the above method embodiments.

An embodiment of the present application further provides a communication system, which includes the first device and the second device in the foregoing embodiments.

For the sake of brevity, the contents of the apparatus portion may be found in the method embodiments, and the repeated descriptions are omitted.

As shown in fig. 5a, a first device 500a of this embodiment of the present application includes a processing module 510a and a transceiver module 520a, where the processing module 510a is configured to generate a first signaling, where the first signaling is used to indicate at least one time domain resource unit, the at least one time domain resource unit is used to transmit at least one feedback information, and the at least one feedback information is feedback information of at least one code block group CBG included in a transport block TB that is received by a second device; the transceiver module 520a is configured to send the first signaling to the second device.

In one possible design, the first signaling includes a first offset; or, the first signaling includes a first index value, and the first index value is used for indexing a first offset in an offset set;

the first offset is an offset between a second time domain resource unit and a first time domain resource unit, the first offset is an offset between a second time slot and a first time slot and is offset by a basic offset, the first time domain resource unit is used for transmitting a first CBG, the second time domain resource unit is used for transmitting feedback information of the first CBG, and the first CBG is one of the at least one CBG.

In one possible design, the first time domain resource unit is further configured to transmit a second CBG, the second CBG being one of the at least one CBG, the second CBG being different from the first CBG, and the second time domain resource unit is further configured to transmit feedback information of the second CBG.

In one possible design, the first CBG may be a CBG of a plurality of CBGs.

In one possible design, the set of offsets is preconfigured in the first device and the second device; or, the offset set is notified to the second device through system broadcast signaling or radio resource control RRC signaling.

In one possible design, the first time domain resource unit is further configured to transmit at least one third CBG, where the at least one third CBG is a CBG of the at least one CBG, the second time domain resource unit is configured to transmit at least one first feedback information of the at least one feedback information, and each of the at least one first feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG, and the at least two CBGs corresponding to each first feedback information are not identical.

In a possible design, if the first device transmits the first CBG and the at least one third CBG to the second device again through a third time domain resource unit, the at least one time domain resource unit further includes a fourth time domain resource unit, the fourth time domain resource unit is configured to transmit at least one second feedback information, each of the at least one second feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG transmitted in the third time domain resource unit, and at least two CBGs corresponding to each of the at least one second feedback information are not completely the same, where the at least two CBGs corresponding to the at least one second feedback information are not completely the same as the at least two CBGs corresponding to the at least one first feedback information.

In one possible design, the time domain resource unit is a symbol, a slot, or a subframe.

In one possible design, the first signaling is RRC signaling or DCI.

It should be noted that in the embodiment of the present application, the processing module 510a may be implemented by a processor, and the transceiver module 520a may be implemented by a transceiver, where a particular transceiver includes a receiver and a transmitter, where the receiver is used for receiving signals or data, and the transmitter is used for transmitting signals or data.

As shown in fig. 5b, a hardware structure of the first device 500b in the embodiment of the present application is schematically illustrated, where the first device 500b may include a processor 510b, a transceiver 520b, and a memory 530 b. The memory 530b may be used to store a program/code preinstalled in the factory of the device 500b, or may store a code or the like used when the processor 510b executes.

The processor 510b may be a general Central Processing Unit (CPU), a microprocessor, an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits, configured to perform related operations to implement the technical solution provided in the embodiment of the present Application.

It should be noted that although the first device 500b shown in fig. 5b only shows the processor 510b, the transceiver 520b and the memory 530b, in a specific implementation, it should be understood by those skilled in the art that the first device 500b also contains other components necessary for normal operation. Also, the first device 500b may comprise hardware components for performing other additional functions, as may be apparent to those skilled in the art, according to particular needs. Furthermore, it should be understood by those skilled in the art that the first device 500b may also comprise only the components or modules necessary to implement the embodiments of the present application, and need not comprise all of the components shown in fig. 5 b.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.

As shown in fig. 6a, a second apparatus 600a according to an embodiment of the present application includes: a processing module 610a and a transceiver module 620a, where the transceiver module 620a is configured to receive a first signaling sent by a first device, where the first signaling is used to indicate at least one time domain resource unit, the at least one time domain resource unit is used to transmit at least one piece of feedback information, and the at least one piece of feedback information is feedback information of at least one code block group CBG included in a transport block TB sent by the first device and received by a second device; the processing module 610a is configured to determine, according to the first signaling, a time domain resource unit for transmitting feedback information of the at least one CBG.

In one possible design, the first CBG may be a CBG of a plurality of CBGs.

In one possible design, the set of offsets is preconfigured in the first device and the second device; or, the second device obtains the offset set by receiving system broadcast signaling or Radio Resource Control (RRC) signaling.

In one possible design, the first signaling is RRC signaling or DCI.

It should be noted that in the embodiment of the present application, the processing module 610a may be implemented by a processor, and the transceiver module 620a may be implemented by a transceiver, where a specific transceiver includes a receiver and a transmitter, where the receiver is used for receiving signals or data, and the transmitter is used for transmitting signals or data.

As shown in fig. 6b, a hardware structure of a second device 600b according to an embodiment of the present disclosure is schematically illustrated, where the second device 600b may include a processor 610b, a transceiver 620b, and a memory 630 b. The memory 630b may be used to store a program/code preinstalled in the factory of the device 600b, or may store a code or the like used when the processor 610b executes.

The processor 610b may be a general-purpose CPU, a microprocessor, an ASIC, or one or more integrated circuits, and is configured to execute relevant operations to implement the technical solutions provided in the embodiments of the present application.

It should be noted that although the second device 600b shown in fig. 6b only shows the processor 610b, the transceiver 620b and the memory 630b, in a specific implementation, it should be understood by those skilled in the art that the second device 600b also contains other components necessary for normal operation. Meanwhile, it will be apparent to those skilled in the art that the second device 600b may also contain hardware components for implementing other additional functions according to specific needs. Furthermore, it should be understood by those skilled in the art that the second apparatus 600b may also comprise only the devices or modules necessary for implementing the embodiments of the present application, and not necessarily all of the devices shown in fig. 6 b.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a ROM, a RAM, or the like.

As shown in fig. 7, the communication system of the embodiment of the present application includes a first device 500a as shown in fig. 5a and a second device 600a as shown in fig. 6 a.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is 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.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

While some possible embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the embodiments of the application and all alterations and modifications as fall within the scope of the application.

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

Claims

1. A method of resource indication, the method comprising:

a first device generates a first signaling, where the first signaling is used to indicate at least one time domain resource unit, where the at least one time domain resource unit is used to transmit at least one piece of feedback information, and the at least one piece of feedback information is feedback information of at least one code block group CBG included in a transport block TB that is received by a second device;

the first device sends the first signaling to the second device;

the first signaling comprises a first offset; or, the first signaling includes a first index value, and the first index value is used for indexing a first offset in an offset set;

2. The method of claim 1, wherein the first time domain resource unit is further for transmitting a second CBG, the second CBG being one of the at least one CBG, the second CBG being different from the first CBG, the second time domain resource unit being further for transmitting feedback information for the second CBG.

3. The method of claim 1, wherein the first time domain resource unit is one of at least one time domain resource unit transmitting the first CBG.

4. The method of any of claims 1 to 3, wherein the set of offsets is preconfigured in the first device and the second device; alternatively, the first and second electrodes may be,

5. The method of claim 1, wherein the first time domain resource unit is further configured to transmit at least one third CBG, the at least one third CBG being a CBG of the at least one CBG, the second time domain resource unit is configured to transmit at least one first feedback information of the at least one feedback information, each of the at least one first feedback information being feedback information of the first CBG and at least two CBGs of the at least one third CBG, and at least two CBGs corresponding to each first feedback information are not exactly the same.

6. The method of claim 5, wherein if the first device transmits the first CBG and the at least one third CBG to the second device again through a third time domain resource unit, the at least one time domain resource unit further includes a fourth time domain resource unit, the fourth time domain resource unit is used for transmitting at least one second feedback information, each of the at least one second feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG transmitted in the third time domain resource unit, and at least two CBGs corresponding to each of the at least one second feedback information are not completely the same, where the at least two CBGs corresponding to the at least one second feedback information are not completely the same as the at least two CBGs corresponding to the at least one first feedback information.

7. The method of any of claims 1 to 3, wherein the time domain resource units are symbols, slots, or subframes.

8. The method according to any of claims 1 to 3, wherein the first signaling is RRC signaling or Downlink control information, DCI.

9. A method of resource indication, the method comprising:

the method comprises the steps that a second device receives a first signaling sent by a first device, wherein the first signaling is used for indicating at least one time domain resource unit, the at least one time domain resource unit is used for transmitting at least one piece of feedback information, and the at least one piece of feedback information is feedback information of at least one Code Block Group (CBG) in a Transmission Block (TB) sent by the first device and received by the second device;

the second device determines a time domain resource unit for transmitting the feedback information of the at least one CBG according to the first signaling; the first signaling comprises a first offset; or, the first signaling includes a first index value, and the first index value is used for indexing a first offset in an offset set;

10. The method of claim 9, wherein the first time domain resource unit is further for transmitting a second CBG, the second CBG being one of the at least one CBG, the second CBG being different from the first CBG, the second time domain resource unit being further for transmitting feedback information for the second CBG.

11. The method of claim 9, wherein the first time domain resource unit is one of at least one time domain resource unit transmitting the first CBG.

12. The method of any of claims 9 to 11, wherein the set of offsets is preconfigured in the first device and the second device; alternatively, the first and second electrodes may be,

13. The method of claim 9, wherein the first time domain resource unit is further configured to transmit at least one third CBG, the at least one third CBG being a CBG of the at least one CBG, the second time domain resource unit is configured to transmit at least one first feedback information of the at least one feedback information, each of the at least one first feedback information being feedback information of the first CBG and at least two CBGs of the at least one third CBG, and at least two CBGs corresponding to each first feedback information are not exactly the same.

14. The method of claim 13, wherein if the first device transmits the first CBG and the at least one third CBG to the second device again through a third time domain resource unit, the at least one time domain resource unit further includes a fourth time domain resource unit, the fourth time domain resource unit is configured to transmit at least one second feedback information, each of the at least one second feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG transmitted in the third time domain resource unit, and at least two CBGs corresponding to each of the at least one second feedback information are not completely the same, where the at least two CBGs corresponding to the at least one second feedback information are not completely the same as the at least two CBGs corresponding to the at least one first feedback information.

15. The method of any of claims 9 to 11, wherein the time domain resource units are symbols, slots or subframes.

16. The method according to one of claims 9 to 11, wherein the first signaling is RRC signaling or downlink control information, DCI.

17. A communication device, comprising:

a processor, configured to generate a first signaling, where the first signaling is used to indicate at least one time domain resource unit, the at least one time domain resource unit is used to transmit at least one piece of feedback information, and the at least one piece of feedback information is feedback information of at least one code block group CBG included in a transport block TB that is sent by a second device;

a transceiver for transmitting the first signaling to the second device; the first signaling comprises a first offset; or, the first signaling includes a first index value, and the first index value is used for indexing a first offset in an offset set;

18. The communications device of claim 17, wherein the first time domain resource unit is further configured to transmit a second CBG, the second CBG being one of the at least one CBG, the second CBG being different from the first CBG, the second time domain resource unit being further configured to transmit feedback information for the second CBG.

19. The communications device of claim 17, wherein the first time domain resource unit is one of at least one time domain resource unit transmitting the first CBG.

20. The communications device of claim 17, wherein the first time domain resource unit is further configured to transmit at least one third CBG, the at least one third CBG is a CBG of the at least one CBG, the second time domain resource unit is configured to transmit at least one first feedback information of the at least one feedback information, each of the at least one first feedback information is feedback information of the first CBG and at least two CBGs of the at least one third CBG, and at least two CBGs corresponding to each first feedback information are not exactly the same.

21. The communications device of claim 20, wherein if the communications device transmits the first CBG and the at least one third CBG to the second device again through a third time domain resource unit, the at least one time domain resource unit further includes a fourth time domain resource unit, the fourth time domain resource unit is configured to transmit at least one second feedback information, each of the at least one second feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG transmitted in the third time domain resource unit, and at least two CBGs corresponding to each of the at least one second feedback information are not completely the same, where the at least two CBGs corresponding to the at least one second feedback information are not completely the same as the at least two CBGs corresponding to the at least one first feedback information.

22. A communication device, comprising:

a transceiver, configured to receive a first signaling sent by a first device, where the first signaling is used to indicate at least one time domain resource unit, the at least one time domain resource unit is used to transmit at least one piece of feedback information, and the at least one piece of feedback information is feedback information of at least one code block group CBG included in a transport block TB sent by the first device and received by a communication device;

a processor, configured to determine, according to the first signaling, a time domain resource unit for transmitting feedback information of the at least one CBG; the first signaling comprises a first offset; or, the first signaling includes a first index value, and the first index value is used for indexing a first offset in an offset set;

23. The communications device of claim 22, wherein the first time domain resource unit is further configured to transmit a second CBG, the second CBG being one of the at least one CBG, the second CBG being different from the first CBG, the second time domain resource unit being further configured to transmit feedback information for the second CBG.

24. The communications device of claim 22, wherein the first time domain resource unit is one of at least one time domain resource unit transmitting the first CBG.

25. The communications device of claim 22, wherein the first time domain resource unit is further configured to transmit at least one third CBG, the at least one third CBG is a CBG of the at least one CBG, the second time domain resource unit is configured to transmit at least one first feedback information of the at least one feedback information, each of the at least one first feedback information is feedback information of the first CBG and at least two CBGs of the at least one third CBG, and at least two CBGs corresponding to each first feedback information are not identical.

26. The communications device of claim 25, wherein if the first device transmits the first CBG and the at least one third CBG to the communications device again through a third time domain resource unit, the at least one time domain resource unit further includes a fourth time domain resource unit, the fourth time domain resource unit is configured to transmit at least one second feedback information, each of the at least one second feedback information is feedback information of at least two CBGs of the first CBG and the at least one third CBG transmitted in the third time domain resource unit, and at least two CBGs corresponding to each of the at least one second feedback information are not completely the same, where the at least two CBGs corresponding to the at least one second feedback information are not completely the same as the at least two CBGs corresponding to the at least one first feedback information.