CN109802749B

CN109802749B - PUCCH resource indication method, terminal equipment and base station

Info

Publication number: CN109802749B
Application number: CN201711137906.8A
Authority: CN
Inventors: 缪德山; 托尼; 司倩倩
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2017-11-16
Filing date: 2017-11-16
Publication date: 2020-10-09
Anticipated expiration: 2037-11-16
Also published as: CN109802749A

Abstract

The invention discloses a Physical Uplink Control Channel (PUCCH) resource indication method, terminal equipment and a base station. The method comprises the following steps: the terminal equipment receives a synchronization signal block SS block signal sent by a base station and carries out initial random access; the terminal equipment determines a PUCCH resource set according to the SS block signal and system indication information RMSI; the RMSI comprises system broadcast information sent to the terminal equipment by the base station, and at least comprises a mapping relation between an SS block and a PUCCH resource set; and the terminal equipment feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set. That is, the terminal device may determine an appropriate PUCCH resource according to the SS block signal and the RMSI information sent by the base station, which is beneficial to improving the flexibility of PUCCH resource allocation.

Description

PUCCH resource indication method, terminal equipment and base station

Technical Field

The present invention relates to the field of wireless communication technologies, and in particular, to a PUCCH resource indication method, a terminal device, and a base station.

Background

In the PUCCH resource indication of Long Term Evolution (LTE), a resource indication method generally used for a PUCCH carrying ACK/NACK is to use an index (index) of a Control Channel Element (CCE) with the smallest PDCCH to correspond to a specific PUCCH resource, and transmit an ACK/NACK signal using the PUCCH resource when feeding back ACK/NACK. Therefore, in the initial access, the PDCCH scheduling message 4 is mapped to one PUCCH resource to carry ACK/NACK feedback. In fig. 1, M1-M4 represents 4 steps of initial access, respectively corresponding to 4 message flows (messages), and for message 4, the ACK/NACK signal is transmitted in the subsequent PUCCH.

In 5G NR, there are two PUCCH resource indication methods, which are respectively: explicit and implicit indications. The explicit indication method is that the base station indicates the UE a PUCCH resource set by using RRC signaling, and then notifies the UE of an index (index) of a specific PUCCH resource by using Downlink Control Information (DCI). The invisible indication method is to follow the LTE method, and map the index of the corresponding smallest CCE of the PDCCH to a specific PUCCH resource.

For PUCCH resource indication of 5G NR random access message 4, if the above two methods are directly followed, there may be the following implementation scheme:

the method 1 comprises the steps of indicating a PUCCH resource set by using a system message SIB, and then indicating a specific resource index in the resource set by using DCI;

the method 2 comprises the following steps: using an implicit indication method, the minimum CCE index of the PDCCH scheduling message 4 is used to map to a specific PUCCH resource.

The above two methods have respective limitations, for example, for method 1, since the System Information Block (SIB) is broadcasted, the capacity is limited, and the probability of indicating a PUCCH resource combination for each UE is relatively small. For the method 2, since the PUCCH of 5G NR has multiple formats and the time-frequency resource location is more dynamic, it is difficult to map specific PUCCH resources with a simple PDCCH.

Disclosure of Invention

The invention provides a new PUCCH resource indication method, terminal equipment and a base station, which are beneficial to improving the flexibility of PUCCH resource allocation.

The invention provides a PUCCH resource indication method in a first aspect, which comprises the following steps:

the terminal equipment receives a synchronization signal block SS block signal sent by a base station and carries out initial random access;

if the terminal equipment feeds back an ACK/NACK signal to the base station, determining a PUCCH resource set according to the SS block signal and system indication information RMSI; the RMSI comprises system broadcast information sent by the base station to the terminal equipment and at least comprises a mapping relation between an SS block and the PUCCH resource set;

and the terminal equipment feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set.

Optionally, the mapping relationship between the SS block and the PUCCH resource set includes:

the corresponding relation between the SS block signal and the PRACH resource and the corresponding relation between one or more Preamble sequences in the PRACH resource and the PUCCH resource.

Optionally, the correspondence between the SS block signal and the PRACH resource and the PUCCH resource includes:

one SS block corresponds to one PRACH resource set, wherein one PRACH resource set is divided into N subsets, each subset corresponds to one PUCCH resource set, and each subset comprises one or more Preamble sequences; n is an integer of 1 or more.

Optionally, the RMSI defines at least one or more of the following information:

one PRACH resource subset comprises K preamble sequences; k is an integer greater than or equal to 1;

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises M PUCCH resources; m is an integer of 1 or more

Whether a plurality of PUCCH resource sets are overlapped with each other or not;

whether multiple PRACH resource subsets are mapped to the same PUCCH resource set.

one SS block corresponds to multiple PRACH resource sets, where PRACH resources in the PRACH resource sets are divided into multiple subsets, or the PRACH resource sets are divided into multiple subsets, each subset corresponds to one PUCCH resource set, and each subset includes one or more Preamble sequences.

Optionally, at least one or more of the following information is defined in the RMSI:

a division mode in which a plurality of PRACH resources are divided into a plurality of subsets;

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the terminal device feeds back an ACK/NACK signal to the base station on the PUCCH resources, including:

the terminal equipment receives downlink control indication DCI sent by the base station, wherein the DCI is used for indicating an index corresponding to one PUCCH resource in the PUCCH resource set;

and the terminal equipment feeds back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

Optionally, when the PUCCH resource set only includes one PUCCH resource, the terminal device feeds back an ACK/NACK signal to the base station on the PUCCH resource in the determined PUCCH resource set.

Optionally, the method further includes:

if the PUCCH resource is occupied by a plurality of terminal devices at the same time, the terminal device receives a downlink control indication DCI sent by the base station, where the DCI is used to indicate a PUCCH resource offset, so that the terminal device can obtain an index corresponding to another PUCCH resource different from the PUCCH resource according to the PUCCH resource and the offset;

The second aspect of the present invention provides a PUCCH resource indication method, including:

the terminal equipment receives an SS block signal sent by a base station and performs initial random access;

if the terminal equipment feeds back an ACK/NACK signal to the base station, determining a PRACH resource set according to SS block index corresponding to the SS block signal, determining a Preamble sequence in the PRACH resource set, and determining a PUCCH resource set according to the Preamble sequence;

Optionally, the determining, by the terminal device, a physical random access channel PRACH resource set according to the SS block signal includes:

the terminal equipment determines a PRACH resource set according to the SS block, wherein the PRACH resource set is divided into N subsets, each subset corresponds to a PUCCH resource set, and each subset comprises one or more Preamble sequences; n is an integer of 1 or more.

Optionally, the method further includes:

the terminal equipment determines one or more of the following information;

whether the K sequences are a contiguous set of indices;

and the terminal equipment determines a plurality of PRACH resource sets according to the SS block, wherein PRACH resources in the PRACH resource sets are jointly divided into a plurality of subsets, or each PRACH resource set in the PRACH resource sets is divided into a plurality of subsets, each subset corresponds to one PUCCH resource set, and each subset comprises one or more Preamble sequences.

Optionally, the method further includes:

the terminal equipment determines one or more of the following information:

whether the K preamble sequences are a continuous index set;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the terminal device feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set, including:

Optionally, when the PUCCH resource set only includes one PUCCH resource, the terminal device feeds back an ACK/NACK signal to the base station on the PUCCH resource.

Optionally, the method further includes:

The third aspect of the present invention provides a method for indicating physical uplink control channel PUCCH resources, including:

a base station sends a synchronizing signal block SS block signal to terminal equipment and carries out initial random access;

the base station receives an ACK/NACK signal fed back by the terminal equipment on PUCCH resources, wherein the PUCCH resources are one PUCCH resource in a PUCCH resource set determined by the terminal equipment according to the SS block signal and system indication information RMSI; the RMSI is system broadcast information sent by the base station to the terminal device, and at least includes a mapping relationship between an SS block and the PUCCH resource set.

Optionally, the RMSI defines at least one or more of the following information:

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the receiving, by the base station, an ACK/NACK signal fed back by the terminal device on the PUCCH resources includes:

the base station sends downlink control indication DCI to the terminal equipment, wherein the DCI is used for indicating an index corresponding to one PUCCH resource in the PUCCH resource set;

and the base station receives the ACK/NACK signal fed back by the terminal equipment on the PUCCH resource corresponding to the index.

Optionally, when the PUCCH resource set only includes one PUCCH resource, the base station receives an ACK/NACK signal fed back by the terminal device on the PUCCH resource.

Optionally, the method further includes:

if the PUCCH resource is occupied by a plurality of terminal devices at the same time, the base station sends a downlink control indication DCI to the terminal device, where the DCI is used to indicate a PUCCH resource offset, so that the terminal device can obtain an index corresponding to another PUCCH resource different from the PUCCH resource according to the PUCCH resource and the offset;

The fourth aspect of the present invention provides a PUCCH resource indication method, including:

a base station sends SS block signals to terminal equipment and performs initial random access;

and the base station receives an ACK/NACK signal fed back by the terminal equipment on PUCCH resources, wherein the PUCCH resources are one PUCCH resource in the PUCCH resource set determined by the terminal equipment according to SS block index corresponding to the SS block signal, a Preamble sequence is determined in the PRACH resource set, and the PUCCH resource in the PUCCH resource set is determined according to the Preamble sequence.

Optionally, the determining, by the terminal device, a PRACH resource set according to the SS block signal includes:

Optionally, before determining the PUCCH resource, the terminal device determines one or more of the following information;

whether the K sequences are a contiguous set of indices;

Optionally, before determining the PUCCH resource, the terminal device determines one or more of the following information:

whether the K preamble sequences are a continuous index set;

one PUCCH resource set comprises N PUCCH resources;

Optionally, the method further includes:

A fifth aspect of the present invention provides a terminal device, including:

the receiving unit is used for receiving a synchronization signal block SS block signal sent by a base station and carrying out initial random access;

the processing unit is used for determining a PUCCH resource set according to the SSblock signal and system indication information RMSI when the terminal equipment feeds back an ACK/NACK signal to the base station; the RMSI is system broadcast information sent by the base station to the terminal equipment and at least comprises a mapping relation between an SS block and the PUCCH resource set;

and a sending unit, configured to feed back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set.

Optionally, the RMSI defines at least one or more of the following information:

whether the K sequences are a contiguous set of indices;

Optionally, the correspondence between the SS block signal and the PRACH resource includes:

one SS block corresponds to multiple PRACH resource sets, where PRACH resources in the multiple PRACH resource sets are jointly divided into multiple subsets, or each PRACH resource set in the multiple PRACH resource sets is divided into multiple subsets, and each subset corresponds to one PUCCH resource set, where each subset includes one or more Preamble sequences.

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the receiving unit is further configured to:

receiving Downlink Control Indication (DCI) sent by the base station, where the DCI is used to indicate an index corresponding to one PUCCH resource in the PUCCH resource set;

the sending unit is specifically configured to: and feeding back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

Optionally, when the PUCCH resource set only includes one PUCCH resource, the transmitting unit is configured to feed back an ACK/NACK signal to the base station on the PUCCH resource.

Optionally, the receiving unit is further configured to: when the PUCCH resource is occupied by a plurality of terminal devices together at the same time, receiving Downlink Control Indication (DCI) sent by the base station, wherein the DCI is used for indicating PUCCH resource offset, so that the terminal devices can obtain an index corresponding to other PUCCH resources different from the PUCCH according to the PUCCH resource and the offset;

the sending unit is further configured to feed back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

A sixth aspect of the present invention provides a terminal device, including:

the receiving unit is used for receiving SS block signals sent by the base station and carrying out initial random access;

the processing unit is used for determining a PRACH resource set according to SS block index corresponding to the SSblock signal when the terminal equipment feeds back an ACK/NACK signal to the base station, determining a Preamble sequence in the PRACH resource set, and determining a PUCCH resource set according to the Preamble sequence;

Optionally, the processing unit is specifically configured to: determining a PRACH resource set according to the SS block, wherein the PRACH resource set is divided into N subsets, each subset corresponds to a PUCCH resource set, and each subset comprises one or more Preamble sequences; n is an integer of 1 or more.

Optionally, the processing unit is further configured to: determining one or more of the following information;

whether the K sequences are a contiguous set of indices;

Optionally, the processing unit is specifically configured to: determining a plurality of PRACH resource sets according to the SS block, wherein PRACH resources in the PRACH resource sets are jointly divided into a plurality of subsets, or each PRACH resource set in the PRACH resource sets is divided into a plurality of subsets, each subset corresponds to one PUCCH resource set, and each subset comprises one or more Preamble sequences.

Optionally, the processing unit is further configured to: determining one or more of the following:

whether the K preamble sequences are a continuous index set;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the receiving unit is further configured to: receiving Downlink Control Indication (DCI) sent by the base station, where the DCI is used to indicate an index corresponding to one PUCCH resource in the PUCCH resource set;

the sending unit is specifically configured to feed back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

the sending unit is also used for feeding back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

A seventh aspect of the present invention provides a base station, including:

the device comprises a sending unit, a receiving unit and a processing unit, wherein the sending unit is used for sending a synchronizing signal block SS block signal to terminal equipment and carrying out initial random access;

a receiving unit, configured to receive an ACK/NACK signal fed back by the terminal device on a PUCCH resource, where the PUCCH resource is one PUCCH resource in a PUCCH resource set determined by the terminal device according to the SS block signal and system indication information RMSI; the RMSI is system broadcast information sent by the base station to the terminal device, and at least includes a mapping relationship between an SS block and the PUCCH resource set.

Optionally, the RMSI defines at least one or more of the following information:

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the transmitting unit is further configured to: sending downlink control indication DCI to the terminal equipment, wherein the DCI is used for indicating an index corresponding to one PUCCH resource in the PUCCH resource set;

the receiving unit is specifically configured to receive, on the PUCCH resource corresponding to the index, the ACK/NACK signal fed back by the terminal device.

Optionally, when the PUCCH resource set only includes one PUCCH resource, the receiving unit is configured to receive an ACK/NACK signal fed back by the terminal device on the PUCCH resource.

Optionally, the sending unit is further configured to: when the PUCCH resource is occupied by a plurality of terminal devices together at the same time, sending DCI (downlink control indication) to the terminal devices, wherein the DCI is used for indicating PUCCH resource offset, so that the terminal devices can obtain an index corresponding to other PUCCH resources different from the PUCCH according to the PUCCH resource and the offset;

the receiving unit is further configured to receive, on the PUCCH resource corresponding to the index, an ACK/NACK signal fed back by the terminal device.

An eighth aspect of the present invention provides a base station, including:

the system comprises a sending unit, a receiving unit and a sending unit, wherein the sending unit is used for sending SS block signals to terminal equipment and carrying out initial random access;

and the receiving unit is used for receiving the ACK/NACK signal fed back by the terminal equipment on PUCCH resources, wherein the PUCCH resources are a PUCCH resource set determined by the terminal equipment according to the SSblock index corresponding to the SS block signal, a Preamble sequence is determined in the PRACH resource set, and one PUCCH resource in the PUCCH resource set is determined according to the Preamble sequence.

whether the K sequences are a contiguous set of indices;

whether the K preamble sequences are a continuous index set;

one PUCCH resource set comprises N PUCCH resources;

and the receiving unit is used for receiving the ACK/NACK signal fed back by the terminal equipment on the PUCCH resource corresponding to the index.

Optionally, the sending unit is further configured to: when the PUCCH resource is commonly occupied by a plurality of terminal devices at the same time, sending DCI (downlink control indication) to the terminal devices, wherein the DCI is used for indicating PUCCH resource offset, so that the terminal devices can obtain an index corresponding to other PUCCH resources different from the PUCCH according to the PUCCH resource and the offset;

A ninth aspect of the present invention provides a computer apparatus comprising a processor for implementing the steps of the PUCCH resource indication method as provided in the first, second, third or fourth aspects of the present invention when executing a computer program stored in a memory.

A tenth aspect of the present invention provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the PUCCH resource indication method as provided in the first, second, third or fourth aspects of the present invention.

The technical scheme in the embodiment of the invention has the following beneficial effects:

in the technical scheme provided by the embodiment of the invention, the terminal equipment receives a synchronous signal block SSblock signal sent by a base station and performs initial random access; if the terminal equipment feeds back an ACK/NACK signal to the base station, determining a PUCCH resource set according to the SS block signal and System indication Information (RMSI); the RMSI comprises system broadcast information sent by the base station to the terminal equipment, wherein the RMSI at least comprises a mapping relation between SSblock and the PUCCH resource set; and the terminal equipment feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set. Namely, the terminal device can determine a proper PUCCH resource according to the SSblock signal and the RMSI sent by the base station, and feeds back the ACK/NACK signal on the determined PUCCH resource, which is beneficial to improving the flexibility of PUCCH resource allocation.

Drawings

Fig. 1 is a diagram illustrating a random access procedure according to an embodiment of the present invention;

fig. 2 is a flowchart of a PUCCH resource indication method according to an embodiment of the present invention;

fig. 3 is a flowchart of another PUCCH resource indication method according to an embodiment of the present invention;

fig. 4 is a structural diagram of a terminal device according to an embodiment of the present invention;

fig. 5 is a structural diagram of another terminal device according to an embodiment of the present invention;

fig. 6 is a structural diagram of a base station according to an embodiment of the present invention;

fig. 7 is a block diagram of another base station according to an embodiment of the present invention;

fig. 8 is a block diagram of a computer device according to an embodiment of the present invention.

Detailed Description

The invention provides a new PUCCH resource indication method, a base station and terminal equipment, which are beneficial to improving the flexibility of PUCCH resource allocation.

The technical scheme in the embodiment of the invention has the following general idea:

in the technical scheme provided by the embodiment of the invention, the terminal equipment receives a synchronous signal block SSblock signal sent by a base station and performs initial random access; if the terminal equipment feeds back an ACK/NACK signal to the base station, determining a PUCCH resource set according to the SS block signal and system indication information RMSI; the RMSI is system broadcast information sent by the base station to the terminal equipment, and at least contains a mapping relation between an SS block and the PUCCH resource set; and the terminal equipment feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set. That is, the terminal device may determine a suitable PUCCH resource according to the SS block signal and the RMSI sent by the base station, and feed back the ACK/NACK signal on the determined PUCCH resource, which is beneficial to improving the flexibility of PUCCH resource allocation.

In order to better understand the technical solutions of the present invention, the following detailed descriptions of the technical solutions of the present invention are provided with the accompanying drawings and the specific embodiments, and it should be understood that the specific features of the embodiments and the examples of the present invention are the detailed descriptions of the technical solutions of the present invention, and are not limitations of the technical solutions of the present invention, and the technical features of the embodiments and the examples of the present invention can be combined with each other without conflict.

Please refer to fig. 2, which is a flowchart of a PUCCH resource indication method according to an embodiment of the present invention, and as can be seen from fig. 2, the method includes:

s201: and the terminal equipment receives a synchronization signal block SS block signal sent by the base station and performs initial random access.

S202: if the terminal equipment feeds back an ACK/NACK signal to the base station, determining a PUCCH resource set according to the SSblock signal and system indication information RMSI; the RMSI comprises system broadcast information sent by the base station to the terminal equipment, wherein the system broadcast information at least comprises a mapping relation between SS block and the PUCCH resource set.

S203: and the terminal equipment feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set.

In a wireless communication system, before a base station communicates with a terminal device (UE), the UE first needs to access the base station, and currently, the UE generally implements access through random access. For example, in an LTE system, when performing random access, a UE first performs downlink synchronization by detecting a primary synchronization signal and a secondary synchronization signal, and then acquires primary system information such as a system frame number from a Physical Broadcast Channel (PBCH) for access.

Therefore, in S201, the UE receives a Synchronization signal Block (SS Block) signal transmitted from the base station and performs initial random access. To cover the entire cell, the base station may transmit different SS block signals at different times. The UE may measure and detect the received SS block signal and select a suitable SS block as the home synchronization signal, e.g., the UE may select the SS block signal with the strongest signal strength as the home synchronization signal. The SS block signal may be a synchronization signal set, and includes a primary synchronization signal and a secondary synchronization signal, and the UE completes initial synchronization through the primary synchronization signal and the secondary synchronization signal and then performs random access. For the UE random access procedure, please refer to fig. 1, M1-M4 represents 4 steps of initial access, which respectively correspond to 4 message flows (messages), and for message 4, the ACK/NACK signal is transmitted in the subsequent PUCCH.

In S202, if the terminal device feeds back an ACK/NACK signal to the base station, a PUCCH resource set is determined according to a mapping relationship between an SS block included in system indication information RMSI and the PUCCH resource set. The mapping relationship may include a correspondence between an SS block signal and a PRACH resource, and a correspondence between one or more Preamble sequences in the PRACH resource and a PUCCH resource. Therefore, the terminal device determines the PRACH resource corresponding to the SS block signal according to the corresponding relationship between the SS block signal and the PRACH resource, then determines a Preamble sequence (for example, randomly selects one Preamble sequence) in the PRACH resource, and determines a PUCCH resource set corresponding to the Preamble sequence according to the corresponding relationship between the Preamble sequence and the PUCCH resource.

Optionally, there may be two cases for the correspondence between the SS block signal and the PRACH resource and the PUCCH resource, and the two cases are respectively described below:

in the first case, one SS block corresponds to one set of PRACH resources.

If one SS block corresponds to one set of PRACH resources, one set of PRACH resources may be divided into a plurality of subsets, for example, into 4 subsets, each subset including one or more Preamble sequences, and then each subset corresponds to one set of PUCCH resources, and in a single set of PUCCH resources, one or more PUCCH resources may be included. Since one cell may be configured with multiple PRACH resource sets, one PRACH resource set includes multiple preamble sequences. Therefore, in this case, when the base station issues system indication information RMSI to the terminal device, at least the following information is defined in the RMSI:

(1) one PRACH resource subset contains K preamble sequences.

(2) Whether the K sequences are a contiguous set of indices.

(3) One PUCCH resource set includes N PUCCH resources.

(4) Whether the plurality of PUCCH resource sets overlap with each other.

(5) Whether multiple PRACH resource subsets are mapped to the same PUCCH resource set.

Of course, the above lists only a few information that needs to be defined in the RMSI, and in the actual operation process, other information may also be included, which is not specifically limited in this embodiment of the present invention.

In the second case: one SS block corresponds to multiple sets of PRACH resources.

If one SS block corresponds to multiple PRACH resource sets, PRACH resources in the multiple PRACH resource sets may be jointly divided into several subsets, or each PRACH resource in the multiple PRACH resource sets is uniformly grouped and divided into multiple subsets, each subset includes one or more Preamble sequences, then each subset corresponds to one PUCCH resource set, and in a single PUCCH resource set, one or more PUCCH resources may be included. In this case, when the base station sends system indication information RMSI to the terminal device, at least the following information is defined in the RMSI:

(1) the division mode of the plurality of PRACH resources into a plurality of subsets.

(2) One PRACH resource subset contains K preamble sequences.

(3) Whether the K preamble sequences are a contiguous set of indices.

(4) One PUCCH resource set includes N PUCCH resources.

(5) Whether the plurality of PUCCH resource sets overlap with each other.

(6) Whether multiple PRACH resource subsets are mapped to the same PUCCH resource set.

Optionally, after the terminal device determines the PUCCH resource set, an ACK/NACK signal may be fed back to the base station through one PUCCH resource in the PUCCH resource set, that is, S203, and two implementation manners of S203 are described below.

In a first implementation manner, when the PUCCH resource set includes at least two PUCCH resources, the terminal device feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set, including:

For example, since the determined PUCCH resource set includes two PUCCH resources, the base station may send DCI to the terminal device, where the DCI includes an index (index) indicating one of the PUCCH resources in the PUCCH resource set, for example, if the index indicating one of the PUCCH resources in the PUCCH resource set is 001, the terminal device sends an ACK/NACK signal to the base station on the PUCCH resource whose index is 001.

In a second implementation manner, when only one PUCCH resource is included in the PUCCH resource set, the terminal device may directly feed back an ACK/NACK signal to the base station on the PUCCH resource.

In both the first case and the second case, if a plurality of terminal devices jointly occupy the PUCCH resource determined by the terminal device at the same time, the terminal device needs to re-determine a new PUCCH resource to feed back the ACK/NACK signal. The specific implementation manner may be that the terminal device receives a downlink control indication DCI sent by the base station, where the DCI is used to indicate a PUCCH resource offset (offset), so that the terminal device can obtain an index corresponding to another PUCCH resource different from the PUCCH resource according to the PUCCH resource and the offset; and the terminal equipment feeds back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

For example, if the PUCCH resource determined by the terminal device is shared by multiple users, the terminal device may receive DCI sent by the base station, where the DCI is used to indicate PUCCH resource offset, and the terminal device may determine another PUCCH resource according to the offset, for example, add offset to an index of the determined PUCCH resource (PUCCH resource shared by multiple users) to obtain an index of a new PUCCH resource, and feed back an ACK/NACK signal on the newly obtained PUCCH resource.

As can be seen from the above description, in the technical solution provided in the embodiment of the present invention, the terminal device receives a SS block signal of a synchronization signal block sent by a base station and performs initial random access; if the terminal equipment feeds back an ACK/NACK signal to the base station, determining a PUCCH resource set according to the SS block signal and system indication information RMSI; the RMSI comprises system broadcast information sent by the base station to the terminal equipment and at least a mapping relation between SS block and the PUCCH resource set; and the terminal equipment feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set. That is, the terminal device may determine an appropriate PUCCH resource according to the SS block signal and the RMSI transmitted by the base station, which is beneficial to improving the flexibility of PUCCH resource allocation.

In the embodiment shown in fig. 2, the terminal device receives system indication information RMSI and an SSblock signal sent by the base station, where the system indication information RMSI includes a mapping relationship between an SS block and the PUCCH resource set, so that the terminal device can determine a PUCCH resource according to the system indication information RMSI. Another embodiment is described below, in which the terminal device does not need to receive the system indication information RMSI transmitted by the base station, i.e. does not need to determine the PUCCH resource according to the system indication information RMSI.

Fig. 3 shows a flowchart of another PUCCH resource indication method according to an embodiment of the present invention. As shown in fig. 3, the method includes:

s301: and the terminal equipment receives the SS block signal sent by the base station and performs initial random access.

S302: and if the terminal equipment feeds back an ACK/NACK signal to the base station, determining a PRACH resource set according to the SS block index corresponding to the SSblock signal, determining a Preamble sequence in the PRACH resource set, and determining a PUCCH resource set according to the Preamble sequence.

Optionally, in the embodiment shown in fig. 3, a mapping relationship may be agreed in advance between the terminal device and the base station, for example, a mapping relationship is specified in a protocol, and the mapping relationship includes: the corresponding relation between the SS block index and the PRACH resource set, and the corresponding relation between one or more Preamble sequences in the PRACH resource set and the PUCCH resource set. Therefore, when the terminal device feeds back the ACK/NACK signal to the base station, the PRACH resource set may be determined from a correspondence between the SS block index and the PRACH resource set according to the SS block index corresponding to the SS block signal, then a Preamble sequence is determined in the PRACH resource set, and a PUCCH resource set is determined according to a correspondence between the Preamble sequence and the PUCCH resource set.

Optionally, since the mapping relationship is well defined in the protocol, the terminal device may directly determine the PRACH resource according to the SS block signal (or the SS block index corresponding to the SS block signal) without receiving the RMSI sent by the base station, and then determine the PUCCH resource according to the PRACH resource, which may be divided into two cases:

in the first case, one SS block corresponds to one set of PRACH resources.

If one SS block corresponds to one set of PRACH resources, one set of PRACH resources may be divided into a plurality of subsets, for example, into 4 subsets, each subset including one or more Preamble sequences, and then each subset corresponds to one set of PUCCH resources, and in a single set of PUCCH resources, one or more PUCCH resources may be included. Since one cell may be configured with multiple PRACH resource sets, one PRACH resource set includes multiple preamble sequences. Therefore, in this case, the terminal device may determine the following information (these information may be specified in the protocol) when determining the PUCCH resource:

(1) one PRACH resource subset contains K preamble sequences.

(2) Whether the K sequences are a contiguous set of indices.

(3) One PUCCH resource set includes N PUCCH resources.

(4) Whether the plurality of PUCCH resource sets overlap with each other.

Of course, the above is only a few kinds of information, and in the actual operation process, other information may be included, and this is not specifically limited in the embodiment of the present invention.

In this case, after the terminal device determines a unique PRACH resource set according to the SS block, the PUCCH resource set may be further determined by combining the above information. For example, a preamble sequence (e.g., a preamble sequence used in random access) is searched in the PRACH resource set, and a PUCCH resource set corresponding to a subset to which the preamble sequence belongs is the finally determined PUCCH resource set.

If one SS block corresponds to multiple PRACH resource sets, PRACH resources in the multiple PRACH resource sets may be jointly divided into several subsets, or the multiple PRACH resource sets are grouped in a unified manner and divided into multiple subsets, each subset including one or more Preamble sequences, and then each subset corresponds to one PUCCH resource set, and in a single PUCCH resource set, one or more PUCCH resources may be included. In this case, the terminal device may determine the following information (which may be specified in the protocol) before determining the PUCCH resource:

(2) One PRACH resource subset contains K preamble sequences.

(3) Whether the K preamble sequences are a contiguous set of indices.

(4) One PUCCH resource set includes N PUCCH resources.

(5) Whether the plurality of PUCCH resource sets overlap with each other.

In this case, after determining a plurality of PRACH resource sets according to the SS block, the terminal device may further determine a PUCCH resource set by combining the information. For example, a preamble sequence (e.g., a preamble sequence used in random access) is searched in the PRACH resource set, and a PUCCH resource set corresponding to a subset to which the preamble sequence belongs is the finally determined PUCCH resource set.

S303: and the terminal equipment feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set.

Optionally, for the description of S303, please refer to the description of S203 in the embodiment shown in fig. 2, and for brevity of the description, the description is not repeated herein.

A second aspect of the embodiment of the present invention provides a terminal device, please refer to fig. 4, which is a structural diagram of a terminal device according to the embodiment of the present invention. The terminal device 400 includes:

a receiving unit 401, configured to receive a synchronization signal block SS block signal sent by a base station and perform initial random access;

a processing unit 402, configured to determine, when the terminal device feeds back an ACK/NACK signal to the base station, a PUCCH resource set according to the SSblock signal and system indication information RMSI; the RMSI is system broadcast information sent by the base station to the terminal equipment and at least comprises a mapping relation between an SS block and the PUCCH resource set;

a sending unit 403, configured to feed back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set.

Optionally, the RMSI defines at least one or more of the following information:

whether the K sequences are a contiguous set of indices;

one SS block corresponds to multiple PRACH resource sets, where PRACH resources in the multiple PRACH resource sets are jointly divided into multiple subsets, or each PRACH resource in the multiple PRACH resource sets is divided into multiple subsets, and each subset corresponds to one PUCCH resource set, where each subset includes one or more Preamble sequences.

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the receiving unit 401 is further configured to:

the sending unit 403 is specifically configured to: and feeding back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

Optionally, when the PUCCH resource set only includes one PUCCH resource, the transmitting unit 403 is configured to feed back an ACK/NACK signal to the base station on the PUCCH resource.

Optionally, the receiving unit 401 is further configured to: when the PUCCH resource is occupied by a plurality of terminal devices together at the same time, receiving Downlink Control Indication (DCI) sent by the base station, wherein the DCI is used for indicating PUCCH resource offset, so that the terminal devices can obtain an index corresponding to other PUCCH resources different from the PUCCH according to the PUCCH resource and the offset;

the sending unit 403 is further configured to feed back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

Since the terminal device provided in this embodiment and the PUCCH resource indication method shown in fig. 2 are based on the invention under the same concept, and through the foregoing detailed description of the PUCCH resource indication method and its variation, a person skilled in the art can clearly understand the implementation process of the terminal device in this embodiment, so for brevity of the description, detailed description is not repeated here.

A third aspect of the embodiment of the present invention provides a terminal device, and please refer to fig. 5, which is a structural diagram of a terminal device according to an embodiment of the present invention. The terminal device 500 includes:

a receiving unit 501, configured to receive an SS block signal sent by a base station and perform initial random access;

a processing unit 502, configured to determine, when the terminal device feeds back an ACK/NACK signal to the base station, a PRACH resource set according to an SS block index corresponding to the SSblock signal, determine a Preamble sequence in the PRACH resource set, and determine a PUCCH resource set according to the Preamble sequence;

a sending unit 503, configured to feed back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set.

whether the K sequences are a contiguous set of indices;

whether multiple PRACH resource subsets are mapped to the same PUCCH resource set

whether the K preamble sequences are a continuous index set;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the receiving unit 501 is further configured to: receiving Downlink Control Indication (DCI) sent by the base station, where the DCI is used to indicate an index corresponding to one PUCCH resource in the PUCCH resource set;

the sending unit 503 is specifically configured to feed back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

Optionally, when the PUCCH resource set only includes one PUCCH resource, the sending unit 503 is configured to feed back an ACK/NACK signal to the base station on the PUCCH resource.

Optionally, the receiving unit 501 is further configured to: when the PUCCH resource is occupied by a plurality of terminal devices together at the same time, receiving Downlink Control Indication (DCI) sent by the base station, wherein the DCI is used for indicating PUCCH resource offset, so that the terminal devices can obtain an index corresponding to other PUCCH resources different from the PUCCH according to the PUCCH resource and the offset;

the transmitting unit 503 is further configured to feed back an ACK/NACK signal to the base station on the PUCCH resource corresponding to the index.

Since the terminal device provided in this embodiment and the PUCCH resource indication method shown in fig. 3 are based on the invention under the same concept, and through the foregoing detailed description of the terminal device and its variation, those skilled in the art can clearly understand the implementation process of the terminal device in this embodiment, so for brevity of the description, details are not repeated here.

A fourth aspect of the present invention provides a base station, please refer to fig. 6, which is a structural diagram of a base station according to an embodiment of the present invention. A base station 600, comprising:

a sending unit 601, configured to send a synchronization signal block SS block signal to a terminal device and perform initial random access;

a receiving unit 602, configured to receive an ACK/NACK signal fed back by the terminal device on a PUCCH resource, where the PUCCH resource is one PUCCH resource in a PUCCH resource set determined by the terminal device according to the SS block signal and system indication information RMSI; the RMSI is system broadcast information sent by the base station to the terminal device, and at least includes a mapping relationship between an SS block and the PUCCH resource set.

Optionally, the RMSI defines at least one or more of the following information:

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the transmitting unit 601 is further configured to: sending downlink control indication DCI to the terminal equipment, wherein the DCI is used for indicating an index corresponding to one PUCCH resource in the PUCCH resource set;

the receiving unit 602 is specifically configured to receive, on the PUCCH resource corresponding to the index, an ACK/NACK signal fed back by the terminal device.

Optionally, when the PUCCH resource set only includes one PUCCH resource, the receiving unit 602 is configured to receive an ACK/NACK signal fed back by the terminal device on the PUCCH resource.

Optionally, the sending unit 601 is further configured to: when the PUCCH resource is occupied by a plurality of terminal devices together at the same time, sending DCI (downlink control indication) to the terminal devices, wherein the DCI is used for indicating PUCCH resource offset, so that the terminal devices can obtain an index corresponding to other PUCCH resources different from the PUCCH according to the PUCCH resource and the offset;

the receiving unit 602 is further configured to receive, on the PUCCH resource corresponding to the index, an ACK/NACK signal fed back by the terminal device.

Since the base station provided in this embodiment and the PUCCH resource indication method shown in fig. 2 are based on the invention under the same concept, and through the foregoing detailed description of the PUCCH resource indication method and its variation, those skilled in the art can clearly understand the implementation process of the base station in this embodiment, so for brevity of the description, detailed description is not repeated here.

A fifth aspect of the embodiment of the present invention provides a base station, please refer to fig. 7, which is a structural diagram of a base station according to the embodiment of the present invention. A base station 700, comprising:

a sending unit 701, configured to send an SS block signal to a terminal device and perform initial random access;

a receiving unit 702, configured to receive an ACK/NACK signal fed back by the terminal device on a PUCCH resource, where the PUCCH resource is a PUCCH resource in a PUCCH resource set determined by the terminal device according to an SS block index corresponding to the SS block signal, and a Preamble sequence is determined in the PRACH resource set, and the PUCCH resource in the PUCCH resource set is determined according to the Preamble sequence.

whether the K sequences are a contiguous set of indices;

whether the K preamble sequences are a continuous index set;

one PUCCH resource set comprises N PUCCH resources;

Optionally, when the PUCCH resource set includes at least two PUCCH resources, the transmitting unit 701 is further configured to: sending downlink control indication DCI to the terminal equipment, wherein the DCI is used for indicating an index corresponding to one PUCCH resource in the PUCCH resource set;

the receiving unit 702 is configured to receive, on the PUCCH resource corresponding to the index, an ACK/NACK signal fed back by the terminal device.

Optionally, when the PUCCH resource set only includes one PUCCH resource, the receiving unit 702 is configured to receive an ACK/NACK signal fed back by the terminal device on the PUCCH resource.

Optionally, the sending unit 701 is further configured to: when the PUCCH resource is commonly occupied by a plurality of terminal devices at the same time, sending DCI (downlink control indication) to the terminal devices, wherein the DCI is used for indicating PUCCH resource offset, so that the terminal devices can obtain an index corresponding to other PUCCH resources different from the PUCCH according to the PUCCH resource and the offset;

the receiving unit 702 is further configured to receive an ACK/NACK signal fed back by the terminal device on a PUCCH resource corresponding to the index.

Since the base station provided in this embodiment and the PUCCH resource indication method shown in fig. 3 are based on the invention under the same concept, and through the foregoing detailed description of the PUCCH resource indication method and its variation, those skilled in the art can clearly understand the implementation process of the base station in this embodiment, so for brevity of the description, detailed description is not repeated here.

In a simple embodiment, those skilled in the art can think that the terminal device shown in fig. 4 and 5 or the base station shown in fig. 6 and 7 can also be implemented by the structure shown in fig. 8.

As shown in fig. 8, the computer apparatus 800 may include: a memory 801, a processor 802, and a bus 803. The processor 801 and the processor 802 may be connected by a bus 803. The memory 801 is used for storing computer-executable instructions, and when the computer apparatus 800 runs, the processor 802 executes the computer-executable instructions stored in the memory 801, so as to make the computer apparatus 800 execute the PUCCH resource indication method provided by the embodiments shown in fig. 2 or fig. 3. For a specific PUCCH resource indication method, reference may be made to the description above and the related description in the drawings, which is not repeated herein.

In the embodiment of the present invention, the processor 802 may be 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 Microcontroller (MCU), or a Programmable Logic Device (PLD) or other integrated chips. The bus 403 may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The bus 803 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 8, but this is not intended to represent only one bus or type of bus.

Optionally, the Memory 801 may include one or more of a Read Only Memory (ROM), a Random Access Memory (RAM), and a disk Memory. The memory is used to store data and/or instructions required by the processor 802 for operation. The number of memories may be one or more.

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, 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.

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

Claims

1. A method for indicating Physical Uplink Control Channel (PUCCH) resources is characterized by comprising the following steps:

if the terminal equipment feeds back an ACK/NACK signal to the base station, determining a PUCCH resource set according to the SS block signal and system indication information RMSI; the RMSI is system broadcast information sent by the base station to the terminal equipment, and at least comprises a mapping relation between an SS block and the PUCCH resource set;

2. The method of claim 1, wherein the mapping relationship between the SS block and the PUCCH resource set comprises:

the corresponding relation between the SS block signal and the PRACH resource, and the corresponding relation between one or more Preamble sequences in the PRACH resource and the PUCCH resource set.

3. The method of claim 2, wherein the correspondence between the SS block signal and the PRACH resource and the PUCCH resource comprises:

4. The method of claim 3, wherein the RMSI defines at least one or more of:

whether the K sequences are a contiguous set of indices;

5. The method of claim 2, wherein the correspondence between the SS block signal and the PRACH resource and the PUCCH resource comprises:

6. The method of claim 5, wherein the RMSI defines at least one or more of:

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises N PUCCH resources;

7. The method of any one of claims 1 to 6, wherein when the PUCCH resource set comprises at least two PUCCH resources, the terminal device feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set, and the method comprises the following steps:

8. The method of any of claims 1-6, wherein the terminal device feeds back an ACK/NACK signal on the PUCCH resource to the base station when only one PUCCH resource is included in the set of PUCCH resources.

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

10. A method for indicating Physical Uplink Control Channel (PUCCH) resources is characterized by comprising the following steps:

if the terminal equipment feeds back an ACK/NACK signal to the base station, determining a Physical Random Access Channel (PRACH) resource set according to the SS block signal, determining a Preamble sequence in the PRACH resource set, and determining a PUCCH resource set according to the Preamble sequence;

11. The method of claim 10, wherein the determining, by the terminal device, a set of Physical Random Access Channel (PRACH) resources from the SS block signal comprises:

12. The method of claim 11, wherein the method further comprises:

the terminal equipment determines one or more of the following information;

whether the K sequences are a contiguous set of indices;

13. The method of claim 11, wherein the determining, by the terminal device, a set of Physical Random Access Channel (PRACH) resources from the SS block signal comprises:

14. The method of claim 13, wherein the method further comprises:

the terminal equipment determines one or more of the following information:

whether the K preamble sequences are a continuous index set;

one PUCCH resource set comprises N PUCCH resources;

15. The method as claimed in any of claims 10-14, wherein when the PUCCH resource set includes at least two PUCCH resources, the terminal device feeds back an ACK/NACK signal to the base station on one PUCCH resource in the determined PUCCH resource set, including:

16. The method of any of claims 10-14, wherein the terminal device feeds back an ACK/NACK signal to the base station on a PUCCH resource when only one PUCCH resource is included in the PUCCH resource set.

17. The method of claim 16, wherein the method further comprises:

18. A method for indicating Physical Uplink Control Channel (PUCCH) resources is characterized by comprising the following steps:

19. The method of claim 18, wherein the mapping relationship between the SS block and the PUCCH resource set comprises:

20. The method of claim 19, wherein the correspondence between the SS block signal and the PRACH resource and the PUCCH resource comprises:

21. The method of claim 20, wherein the RMSI defines at least one or more of the following information:

whether the K sequences are a contiguous set of indices;

22. The method of claim 19, wherein the correspondence between the SS block signal and the PRACH resource and the PUCCH resource comprises:

23. The method of claim 22, wherein the RMSI defines at least one or more of the following information:

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises N PUCCH resources;

24. The method of any one of claims 18 to 23, wherein when at least two PUCCH resources are included in the PUCCH resource set, the base station receives ACK/NACK signals fed back by the terminal device on the PUCCH resources, including:

25. The method of any of claims 18-23, wherein the base station receives an ACK/NACK signal fed back to the terminal device on a PUCCH resource when only one PUCCH resource is included in the PUCCH resource set.

26. The method of claim 25, wherein the method further comprises:

27. A method for indicating Physical Uplink Control Channel (PUCCH) resources is characterized by comprising the following steps:

and the base station receives an ACK/NACK signal fed back by the terminal equipment on PUCCH resources, wherein the PUCCH resources are one PUCCH resource in a PUCCH resource set determined by the terminal equipment according to the SS block signal, a Preamble sequence is determined in the PRACH resource set, and the PUCCH resource set is determined according to the Preamble sequence.

28. The method of claim 27, wherein the determining, by the terminal device, a set of PRACH resources from the SSblock signal comprises:

29. The method of claim 28, wherein the terminal device determines one or more of the following prior to determining PUCCH resources;

whether the K sequences are a contiguous set of indices;

one PUCCH resource set comprises M PUCCH resources; whether a plurality of PUCCH resource sets with M being an integer larger than or equal to 1 are overlapped with each other or not;

30. The method of claim 27, wherein the determining, by the terminal device, a set of PRACH resources from the SS block signal comprises:

31. The method of claim 30, wherein the terminal device determines one or more of the following prior to determining the PUCCH resources:

whether the K preamble sequences are a continuous index set;

one PUCCH resource set comprises N PUCCH resources;

32. The method of any one of claims 27 to 31, wherein when at least two PUCCH resources are included in the PUCCH resource set, the base station receives ACK/NACK signals fed back by the terminal device on the PUCCH resources, including:

33. The method of any of claims 27-31, wherein the base station receives ACK/NACK signals fed back by the terminal device on a PUCCH resource when only one PUCCH resource is included in the PUCCH resource set.

34. The method of claim 33, wherein the method further comprises:

35. A terminal device, comprising:

the processing unit is used for determining a PUCCH resource set according to the SS block signal and system indication information RMSI when the terminal equipment feeds back an ACK/NACK signal to the base station; the RMSI is system broadcast information sent by the base station to the terminal equipment and at least comprises a mapping relation between an SS block and the PUCCH resource set;

36. A terminal device, comprising:

the processing unit is used for determining a PRACH resource set according to SS block index corresponding to the SS block signal when the terminal equipment feeds back an ACK/NACK signal to the base station, determining a Preamble sequence in the PRACH resource set, and determining a PUCCH resource set according to the Preamble sequence;

37. A base station, comprising:

38. A base station, comprising:

and the receiving unit is used for receiving the ACK/NACK signal fed back by the terminal equipment on PUCCH resources, wherein the PUCCH resources are a PUCCH resource set determined by the terminal equipment according to SS block index corresponding to the SS block signal, a Preamble sequence is determined in the PRACH resource set, and one PUCCH resource in the PUCCH resource set is determined according to the Preamble sequence.

39. A computer arrangement, characterized in that the arrangement comprises a processor for implementing the steps of the method according to any of claims 1-34 when executing a computer program stored in a memory.

40. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program when executed by a processor implementing the steps of the method according to any one of claims 1-34.