WO2023241500A1

WO2023241500A1 - Tci state activation method and apparatus

Info

Publication number: WO2023241500A1
Application number: PCT/CN2023/099626
Authority: WO
Inventors: 王晓云; 左君; 王飞; 李岩
Original assignee: 中国移动通信有限公司研究院; 中国移动通信集团有限公司
Priority date: 2022-06-13
Filing date: 2023-06-12
Publication date: 2023-12-21
Also published as: CN114745799A; CN114745799B

Abstract

Embodiments of the present disclosure relate to the technical field of communications and provide a TCI state activation method and apparatus. The method comprises: receiving a DCI or MAC-CE, the DCI or MAC-CE being used for indicating information of one or more TCI states, and/or the DCI or MAC-CE being used for activating one or more TCI states, wherein the information of the TCI states comprises at least one of the following: the number of TCI states in an N-th TCI codepoint, N being a positive integer; whether the TCI state is the first TCI state in the N-th TCI codepoint; an index of a group or resource set or channel set associated with the TCI state; and the number of the TCI states or the number of TCI state combinations or the number of TCI state types.

Description

A TCI state activation method and device

Cross-references to related applications

This application claims priority to Chinese Patent Application No. 202210659523.1 filed in China on June 13, 2022, the entire content of which is incorporated herein by reference.

Technical field

The embodiments of the present disclosure relate to the field of communication technology, and specifically relate to a transmission configuration indicator (Transmission Configuration Indicator, TCI) state activation method and device.

Background technique

In the related technology of New Radio (NR), a method is designed to indicate beams of different channels and/or reference signals through TCI status. Taking the Physical downlink shared channel (PDSCH) as an example, radio resource control (Radio Resource Control, RRC) + media access control (Medium Access Control, MAC) - control unit (Control Element, CE) + downlink The signaling architecture of the control information (Downlink Control Information, DCI) indicates the TCI status, that is, the RRC configures the available TCI status set. The MAC-CE activates some TCI status from the available TCI status set. Through DCI signaling, it activates the TCI status from the activated TCI status set. The status indicates a TCI status used for the spatial reception parameters of the PDSCH Demodulation Reference Signal (DMRS).

In this related technology, the beam indication signaling of physical downlink control channel (PDCCH), PDSCH, physical uplink shared channel (Physical Uplink Shared Channel, PUSCH), and physical uplink control channel (Physical Uplink Control Channel, PUCCH) is Separately designed, different signaling is required to indicate the beam or spatial parameters of PDCCH, PDSCH, PUSCH, and PUCCH respectively. However, in some cases, some channels or even all channels use the same beam direction. In order to save signaling overhead and reduce For indication delay, the introduction of a unified TCI architecture (Unified TCI) is considered. However, after the introduction of Unified TCI, how to improve the flexibility of TCI status indication or activation is an issue that needs to be solved urgently.

Contents of the invention

The embodiment of the present disclosure is to provide a TCI status activation method and device to solve the problem of how to improve the flexibility of TCI status indication or activation.

The first aspect provides a TCI state activation method, which is applied to terminals, including:

Receive DCI or MAC-CE, the DCI or MAC-CE is used to indicate information of one or more TCI states, and/or, the DCI or MAC-CE is used to activate one or more TCI states;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

The index of the group or resource set or channel set associated with the TCI status;

The number of TCI states or the number of TCI state combinations or the number of TCI state types.

Optionally, when the DCI or MAC-CE activates the TCI state, different TCI state types are arranged in a preset order.

Optionally, the indexes of groups, resource sets, or channel sets associated with different TCI states among the multiple TCI states are the same, or the indexes of the groups, resource sets, or channel sets associated with different TCI states among the multiple TCI states are the same. The indexes are not the same.

Optionally, the TCI status information includes: the number of TCI statuses in the Nth TCI code point, or whether the TCI status is the first TCI status in the Nth TCI code point,

The DCI or MAC-CE includes: a first indication bit, the first indication bit is used to indicate one of the following:

The TCI state is the first TCI state in the Nth TCI code point;

The TCI state is not the first TCI state in the Nth TCI code point.

Optionally, when the first indication bit is a first value, the first indication bit is used to indicate that the TCI state is the first TCI state of the Nth TCI code point;

Alternatively, when the first indication bit is a second value, the first indication bit is used to indicate that the TCI state is not the first TCI state in the Nth TCI code point.

Optionally, the number of TCI states includes one of the following:

a TCI status;

Two TCI states;

Three TCI status;

Four TCI states.

Optionally, the TCI status information includes: an index of a group or resource set or channel set associated with the TCI status,

The DCI or MAC-CE includes: a second indication bit,

In the case where the second indication bit is a third value, the second indication bit is used to indicate that the TCI state is associated with an index of the first group or the first resource set or the first channel set;

Alternatively, when the second indication bit is a fourth value, the second indication bit is used to indicate that the TCI state is associated with an index of the second group or the second resource set or the second channel set.

Optionally, the TCI status includes one of the following:

The joint TCI status or DL TCI status of the first group or first resource set or first channel set;

The joint TCI status or DL TCI status of the second group or second resource set or second channel set;

The UL TCI status of the first group or first resource set or first channel set;

The UL TCI status of the second group or second resource set or second channel set;

or,

The two TCI states include one of the following:

DL TCI status and UL TCI status of the first group or first resource set or first channel set;

The DL TCI status and UL TCI status of the second group or second resource set or second channel set;

The joint TCI state or DL TCI state of the first group or first resource set or first channel set, and the UL TCI state of the second group or second resource set or second channel set;

The joint TCI state or DL TCI state of the second group or second resource set or second channel set, and the UL TCI state of the first group or first resource set or first channel set;

The joint TCI state or DL TCI state of the first group or the first resource set or the first channel set, the joint TCI state or the DL TCI state of the second group or the second resource set or the second channel set;

The UL TCI status of the first group or the first resource set or the first channel set, the UL TCI status of the second group or the second resource set or the second channel set;

or,

The three TCI states include one of the following:

The DL TCI status and UL TCI status of the first group or first resource set or first channel set, and the DL TCI status of the second group or second resource set or second channel set;

The DL TCI status and UL TCI status of the second group or second resource set or second channel set, and the DL TCI status of the first group or first resource set or first channel set;

The DL TCI status and the UL TCI status of the first group or the first resource set or the first channel set, and the UL TCI status of the second group or the second resource set or the second channel set;

The DL TCI status and UL TCI status of the second group or second resource set or second channel set, and the UL TCI status of the first group or first resource set or first channel set;

or,

The four TCI states include:

The DL TCI status and the UL TCI status of the first group or first set of resources or the first set of channels, and the DL TCI status and UL TCI status of the second group or second set of resources or the second set of channels.

In the second aspect, a TCI state activation method is provided, which is applied to network equipment, including:

Send DCI or MAC-CE, the DCI or MAC-CE is used to indicate information of one or more TCI states, and/or, the DCI or MAC-CE is used to activate one or more TCI states;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

The TCI state is the first TCI state in the Nth TCI code point;

The TCI state is not the first TCI state in the Nth TCI code point.

Optionally, the number of TCI states includes one of the following:

a TCI status;

Two TCI states;

Three TCI status;

Four TCI states.

The DCI or MAC-CE includes: a second indication bit,

Optionally, the TCI status includes one of the following:

or,

The two TCI states include one of the following:

or,

The three TCI states include one of the following:

or,

The four TCI states include:

In a third aspect, a TCI state activation device is provided, applied to a terminal, and the device includes:

A receiving module, configured to receive DCI or MAC-CE, the DCI or MAC-CE is used to indicate information about the status of one or more TCIs, and/or the DCI or MAC-CE is used to activate one or more TCIs. status information;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

In a fourth aspect, a TCI state activation device is provided, applied to network equipment, and the device includes:

A sending module, configured to send DCI or MAC-CE, the DCI or MAC-CE is used to indicate information about the status of one or more TCIs, and/or the DCI or MAC-CE is used to activate one or more TCIs. status information;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

In a fifth aspect, a communication device is provided, including a processor, a memory, and a program or instructions stored on the memory and executable on the processor. When the program or instructions are executed by the processor, the following is implemented: The steps of the method described in the first aspect or the second aspect.

In a sixth aspect, a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect or the second aspect are implemented.

In an embodiment of the present disclosure, the terminal receives DCI or MAC-CE, the DCI or MAC-CE is used to indicate information of one or more TCI states, and/or the DCI or MAC-CE is used to activate a Or multiple TCI states; wherein, the information of the TCI state includes at least one of the following: the number of TCI states in the Nth TCI code point, N is a positive integer; whether the TCI state is in the Nth TCI code point The first TCI state; the index of the group or resource set or channel set associated with the TCI state; the number of the TCI states or the number of TCI state combinations or the number of TCI state types, which can improve the TCI state indication or activation flexibility.

Description of the drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be considered limiting of the disclosure. Also throughout the drawings, the same reference characters are used to designate the same components. In the attached picture:

Figure 1 is a schematic diagram of the multi-TRP scenario;

Figure 2 is a flow chart of a TCI state activation method provided by an embodiment of the present disclosure;

Figure 3 is a flow chart of another TCI state activation method provided by an embodiment of the present disclosure;

Figure 4 is a schematic diagram of a TCI state provided by an embodiment of the present disclosure;

Figure 5 is a schematic diagram of two TCI states provided by an embodiment of the present disclosure;

Figure 6 is a schematic diagram of three TCI states provided by an embodiment of the present disclosure;

Figure 7 is a schematic diagram of four TCI states provided by an embodiment of the present disclosure;

Figure 8 is a schematic diagram of Example 2 and Example 2' provided by the embodiment of the present disclosure;

Figure 9 is a schematic diagram of Example 3 and Example 3' provided by the embodiment of the present disclosure;

Figure 10 is a schematic diagram of Example 4 and Example 4' provided by the embodiment of the present disclosure;

Figure 11 is a schematic diagram of Example 7 provided by the embodiment of the present disclosure;

Figure 12 is a schematic diagram of example 7' provided by the embodiment of the present disclosure;

Figure 13 is a schematic diagram of Example 8 provided by the embodiment of the present disclosure;

Figure 14 is a schematic diagram of example 8' provided by an embodiment of the present disclosure;

Figure 15 is a schematic diagram of a TCI state activation device provided by an embodiment of the present disclosure;

Figure 16 is a schematic diagram of another TCI state activation device provided by an embodiment of the present disclosure;

Figure 17 is a schematic diagram of a communication device provided by an embodiment of the present disclosure.

Detailed ways

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in this disclosure, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of this disclosure.

In the description and claims of the present disclosure, the term "comprising" and any variations thereof are intended to Insofar as coverage is non-exclusive, for example, a process, method, system, product or apparatus that incorporates a series of steps or units need not be limited to those steps or units expressly listed, but may include steps or units not expressly listed or for Other steps or units inherent in such processes, methods, products or devices. In addition, the use of "and/or" in the description and claims indicates at least one of the connected objects, such as A and/or B, indicating that there are three situations including A alone, B alone, and both A and B.

In the embodiments of the present disclosure, words such as “exemplary” or “such as” are used to represent examples, illustrations or explanations. Any embodiment or design described as "exemplary" or "such as" in the present disclosure is not intended to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the words "exemplary" or "such as" is intended to present the concept in a concrete manner.

In order to facilitate understanding of the embodiments of the present disclosure, the following technical points are first introduced:

1. About Unified TCI architecture

In the Unified TCI architecture, the beams of the downlink channel and/or the uplink channel can be updated through a DCI or MAC-CE signaling, which is divided into the following two modes:

(1) Joint TCI: The beam directions of the uplink and downlink channels are the same, and one signaling updates the beams of the uplink + downlink channels at the same time.

(2) Separate TCI: The beam directions of the uplink channels (PUSCH, PUCCH) are the same, and the beam directions of the downlink channels (PDSCH, PDCCH) are the same, but the beam directions of the uplink channel and the downlink channel are different. One signaling can update: 1) PDCCH and PDSCH beams; 2) PUSCH and PUCCH beams; 3) PDCCH, PDSCH, PUCCH, and PUSCH beams.

Whether to use joint TCI or separate TCI mode is configured by RRC. Unified TCI also adopts the signaling structure of RRC+MAC-CE+DCI. When RRC is configured with multiple joint TCI or separate downlink (DL)/uplink (Uplink, UL) TCI state, MAC-CE signaling is only activated. When a TCI state is activated, the activated TCI state (state) is the selected TCI; when MAC-CE signaling activates multiple TCI states, the TCI is selected from the activated TCI state through DCI format (format) 1_1 or DCI format1_2. The maximum number of joint TCI/DL TCIs currently discussed in RRC that can be configured is 128, and the maximum number of UL TCIs that RRC can configure is 64.

2. Regarding the Multi-Transmission and Reception Point (TRP) scenario

Figure 1 shows the Multi-TRP scenario. The beam indication of the Multi-TRP scenario is relatively single. TRP is more complicated, specifically as follows:

a) 1 indication/activation message contains 1 TCI status, including the following examples:

Example 1: joint TCI/DL TCI of TRP1 (whether it is joint TCI mode is configured by RRC);

Example 1’: TRP2’s joint/DL TCI;

Example 2: UL TCI of TRP1;

Example 2’: UL TCI of TRP2.

b) 1 indication/activation message contains 2 TCI statuses, including the following examples:

Example 3: DL TCI+UL TCI of TRP1;

Example 3’: TRP2’s DL TCI+UL TCI;

Example 4: joint/DL TCI of TRP1, UL TCI of TRP2;

Example 4’: joint/DL TCI of TRP2, UL TCI of TRP1;

Example 5: joint/DL TCI of TRP1, joint/DL TCI of TRP2;

Example 6: UL TCI for TRP1, UL TCI for TRP2.

c) 1 indication/activation message contains 3 TCI states, including the following examples:

Example 7: DL TCI+UL TCI of TRP1, DL TCI of TRP2;

Example 7’: DL TCI+UL TCI of TRP2, DL TCI of TRP1;

Example 8: DL TCI+UL TCI of TRP1, UL TCI of TRP2;

Example 8’: DL TCI+UL TCI of TRP2, UL TCI of TRP1.

d) 1 indication/activation message contains 4 TCI states, including the following examples:

Example 9: DL TCI+UL TCI for TRP1, DL TCI+UL TCI for TRP2;

Based on the above analysis, after expanding Unified TCI to multi-TRP scenarios, the following two problems must be solved:

1) How to indicate the TCI status information of different examples and different combinations, so that the terminal can know which example the received indication/activation information corresponds to;

2) How to activate the TCI state after the terminal receives the instruction/activation information.

Referring to Figure 2, an embodiment of the present disclosure provides a TCI state activation method, which is applied to a terminal. Specific steps include: step 201.

Step 201: Receive DCI or MAC-CE, the DCI or MAC-CE is used to indicate information about the status of one or more TCIs, and/or the DCI or MAC-CE is used to activate one or more TCI status;

Further, after step 201, the method may further include: activating the one or more TCI states according to the DCI or MAC-CE;

Among them, MAC-CE can also be described as MAC CE.

Wherein, the TCI status information includes at least one of the following:

(1) The number of TCI states in the Nth TCI codepoint (codepoint), N is a positive integer;

For example, DCI or MAC-CE is used to indicate that the Nth TCI code point (that is, a certain TCI code point) has one TCI state, two TCI states, three TCI states, or four TCI states, etc., thus improving the TCI Status indication flexibility.

(2) Whether the TCI state is the first TCI state in the Nth TCI code point;

For example, DCI or MAC-CE is used to indicate that the TCI status is the first TCI status in the Nth TCI code point (i.e. a certain TCI code point), or to indicate that the TCI status is not the Nth TCI code point (i.e. a certain TCI code point). The first TCI state in the TCI code point), in this way, the number of TCI states in the Nth TCI code point (that is, a certain TCI code point) can also be determined.

For example, a TCI code point may have 1 to 4 TCI states. If the number of TCI states 1 to 4 is directly indicated, 2 bits are required. By indicating whether the TCI state is the first in a certain TCI code point, One TCI state requires only 1 bit, which can effectively reduce overhead when indicating the number of TCI states in a certain TCI code point.

(3) The index of the group or resource set or channel set associated with the TCI state;

It can be understood that a group or resource set or channel set can also be described as a TRP, that is, the index of the group or resource set or channel set associated with the TCI state is equivalent to the index of the TRP associated with the TCI state, such as DCI or MAC- CE can be used to indicate whether the TCI state is the TCI state associated with TRP1 or the TCI state associated with TRP2.

In the existing technology, Unified TCI is only applicable to single-TRP scenarios. When unified TCI is used for multi-TRP, it is necessary to indicate to the UE the index of the group or resource set or channel set associated with the TCI state, that is, indicate to the UE the index corresponding to the TCI state. Which TRP channel or reference signal resource.

It can be understood that the first group or the first resource set or the first channel set is equivalent to TRP1, and the second group or the second resource set or the second channel set is equivalent to TRP2. If the number of TRPs is more than two, the third group or third resource set or third channel set is equivalent to TRP3, and the fourth group or fourth resource set is equivalent to TRP3. The source set or fourth channel set is equivalent to TRP4, and so on.

(4) The number of TCI states or the number of TCI state combinations or TCI state types.

For example, TCI status types can include: Joint TCI status, UL TCI status, and DL TCI status.

By indicating the number of TCI states or the number of TCI state combinations or the number of TCI state types, it is equivalent to indicating the index of the group or resource set or channel set associated with the TCI state in an implicit indication manner. When the TCI status only contains DL or joint TCI, as in Example 1, the index of the group or resource set or channel set associated with the TCI status will occupy other bits except 1 byte, so by indicating the number of TCI status, Combined with the preset order of different TCI status types (such as the order of examples 1 to 9 introduced in About Multi-TRP), it is possible to indicate the group or resource set associated with the TCI status through implicit instructions. Or the index of the channel collection, saving instruction overhead.

In an implementation manner of the present disclosure, when the DCI or MAC-CE activates the TCI state, different TCI state types are arranged in a preset order.

Optionally, different TCI status types are arranged in a preset order including: different TCI status types can be as follows: Example 1, Example 1', Example 2, Example 2', ..., Example 7, Example 7 introduced in the above Multi-TRP ', Example 8, Example 8, Example 9 are arranged in order.

Example 1: Joint TCI status or DL TCI status of the first group or first set of resources or first set of channels.

Example 1’: Joint TCI status or DL TCI status of the second group or second set of resources or second set of channels.

Example 2: UL TCI status of the first group or first set of resources or first set of channels.

Example 2’: UL TCI status of the second group or second set of resources or second set of channels.

Example 3: DL TCI status and UL TCI status of the first group or first resource set or first channel set;

Example 3’: DL TCI status and UL TCI status of the second group or second resource set or second channel set.

Example 4: The joint TCI state or DL TCI state of the first group or the first resource set or the first channel set, and the UL TCI state of the second group or the second resource set or the second channel set;

Example 4’: the joint TCI state or the DL TCI state of the second group or the second resource set or the second channel set, the UL TCI state of the first group or the first resource set or the first channel set;

Example 5: The joint TCI state or DL TCI state of the first group or the first resource set or the first channel set, the joint TCI state or the DL TCI state of the second group or the second resource set or the second channel set;

Example 6: The UL TCI status of the first group or the first resource set or the first channel set, the UL TCI status of the second group or the second resource set or the second channel set;

Example 7: DL TCI status and UL TCI status of the first group or first resource set or first channel set, and DL TCI status of the second group or second resource set or second channel set;

Example 7’: DL TCI status and UL TCI status of the second group or second resource set or second channel set, and DL TCI status of the first group or first resource set or first channel set;

Example 8: DL TCI status and UL TCI status of the first group or first resource set or first channel set, and UL TCI status of the second group or second resource set or second channel set;

Example 8’: DL TCI status and UL TCI status of the second group or second resource set or second channel set, and UL TCI status of the first group or first resource set or first channel set;

Example 9: DL TCI status and UL TCI status of the first group or first resource set or first channel set, and DL TCI status and UL TCI status of the second group or second resource set or second channel set.

The above illustrates the arrangement order of Examples 1 to 9, as well as the arrangement order of different TCI status types in each example.

In an embodiment of the present disclosure, the indexes of groups or resource sets or channel sets associated with different TCI states in the multiple TCI states are the same, or the groups or resource sets associated with different TCI states in the multiple TCI states are the same. The indexes of resource collections or channel collections are not the same.

In an embodiment of the present disclosure, the TCI status information includes: the number of TCI statuses in the Nth TCI code point or whether the TCI status is the first TCI status in the Nth TCI code point. ,

The TCI state is the first TCI state in the Nth TCI code point;

The TCI state is not the first TCI state in the Nth TCI code point.

In an embodiment of the present disclosure, when the first indication bit is a first value, the first indication bit is used to indicate that the TCI status is the first TCI of the Nth TCI code point state;

For example, the first indication bit is 1 bit. When the first indication bit is "1", it means that the TCI state is the first TCI state of the Nth TCI code point. When the first indication bit is " 0", it means that the TCI state is not the first TCI state of the Nth TCI code point. In this way, the terminal can determine the Nth TCI state corresponding to the MAC-CE or DCI based on the first indication bit in the received MAC-CE or DCI. The number of TCI states in N TCI code points.

For example, when a first indication bit in MAC-CE or DCI is "1", it means that the number of TCI states in the Nth TCI code point corresponding to the MAC-CE or DCI is one TCI state, as shown in Figure 4 shown.

When the two first indication bits in the MAC-CE or DCI are "1" and "0" respectively, it means that the number of TCI states in the Nth TCI code point corresponding to the MAC-CE or DCI is two TCI states. , as shown in Figure 5.

When the three first indication bits in the MAC-CE or DCI are "1", "0" and "0" respectively, it means that the number of TCI states in the Nth TCI code point corresponding to the MAC-CE or DCI is The three TCI states are shown in Figure 6.

When the four first indication bits in MAC-CE or DCI are "1", "0", "0", and "0" respectively, it indicates the TCI in the Nth TCI code point corresponding to the MAC-CE or DCI. The number of states is four TCI states, as shown in Figure 7.

In this way, the number of TCI states in the Nth TCI code point corresponding to the MAC-CE or DCI can be determined based on the value of the 1-bit first indication bit in the MAC-CE or DCI.

In an embodiment of the present disclosure, the number of TCI states includes one of the following:

(1) A TCI status;

(2) Two TCI states;

(3) Three TCI states;

(4) Four TCI states.

In an embodiment of the present disclosure, the TCI status information includes: an index of a group or resource set or channel set associated with the TCI status, and the DCI or MAC-CE includes: a second indication bit;

For example, the second indication bit is 1 bit, the third value is "1", and the fourth value is "0".

It can be understood that the maximum number of joint TCI or DL TCI mentioned above is 128, which occupies 7 bits. The above mentioned use of 1 bit is used to indicate whether the TCI state is the first TCI state in the Nth TCI codepoint. , in this case, the 8 bits constitute one byte of MAC-CE. The maximum number of UL TCI is 64, and 1 bit is used to indicate whether the TCI state is the first TCI state in the Nth TCI codepoint. There is 1 bit left in 1 octet.

The following takes the index of the group or resource set or channel set associated with the TCI state as: UL The index of the group or resource set or channel set associated with the TCI state as an example.

Example 2, Example 2', Example 3, Example 3', Example 4, Example 4', Example 7, Example 7', Example 8 and Example 8' all include the UL TCI status, and 1 bit can be used to represent the UL TCI status For the index of the associated group or resource set or channel set, see Figure 8, Figure 9, Figure 10, Figure 11, Figure 12, Figure 13, and Figure 14.

For Example 3, Example 4, Example 7, Example 8, and Example 3', Example 4', Example 7', and Example 8', the number of TCI states included is greater than 1. For other groups or resource sets or channel sets associated with other TCI states The index can specify the order of TCI states in each example.

Taking Example 3 and Example 3' as an example, they are used to represent the DL TCI+UL TCI of TRP1 and the DL TCI+UL TCI of TRP2 respectively, that is, the index of the group or resource set or channel set of the two activated/indicated TCI states is identical.

Taking Example 7 and Example 7' as an example, the activated/indicated TCI status is: DL TCI+UL TCI of TRP1, DL TCI of TRP2 or DL TCI+UL TCI of TRP2, DL TCI of TRP1.

If the order of TCI states is specified, then the second TCI state in Example 7 and Example 7' is UL TCI, the first and third TCI states are DL TCI, and the index of the group or resource set or channel set associated with the first TCI state and the second TCI state is the same, and the third state is the same as that of the second TCI state. The indexes of the groups or resource sets or channel sets associated with the two TCI states are different. Therefore, based on the index of the group or resource set or channel set associated with the second TCI state, the index of the group or resource set or channel set of the first and third TCI states can be derived.

In an embodiment of the present disclosure, the TCI state includes one of the following:

(1) The joint TCI state or DL TCI state of the first group or the first resource set or the first channel set.

That is, the combined TCI status or DL TCI status of the first TRP.

(2) The joint TCI state or DL TCI state of the second group or second resource set or second channel set.

That is, the combined TCI status or DL TCI status of the second TRP.

(3) UL TCI status of the first group or first resource set or first channel set.

That is, the UL TCI status of the first TRP.

(4) The UL TCI status of the second group or second resource set or second channel set.

That is, the UL TCI status of the second TRP.

Among them, the two TCI states include one of the following:

(1) The DL TCI status and UL TCI status of the first group or first resource set or first channel set;

That is, the DL TCI status and UL TCI status of the first TRP.

(2) The DL TCI status and UL TCI status of the second group or second resource set or second channel set.

That is, the DL TCI status and UL TCI status of the first TRP.

(3) The joint TCI state or DL TCI state of the first group or the first resource set or the first channel set, and the UL TCI state of the second group or the second resource set or the second channel set;

That is, the joint TCI state or DL TCI state of the first TRP, and the UL TCI state of the second TRP.

(4) The joint TCI state or DL TCI state of the second group or second resource set or second channel set, and the UL TCI state of the first group or first resource set or first channel set;

That is, the joint TCI state or DL TCI state of the second TRP, and the UL TCI state of the first TRP.

(5) The joint TCI state or DL TCI state of the first group or the first resource set or the first channel set, the joint TCI state or the DL TCI state of the second group or the second resource set or the second channel set;

That is, the combined TCI state or DL TCI state of the first TRP, and the combined TCI state or DL TCI state of the second TRP.

(6) The UL TCI status of the first group or the first resource set or the first channel set, and the UL TCI status of the second group or the second resource set or the second channel set;

That is, the UL TCI status of the first TRP and the UL TCI status of the second TRP.

Among them, the three TCI states include one of the following:

(1) The DL TCI status and UL TCI status of the first group or the first resource set or the first channel set, and the DL TCI status of the second group or the second resource set or the second channel set;

That is, the DL TCI status and UL TCI status of the first TRP, and the DL TCI status of the second TRP.

(2) The DL TCI status and UL TCI status of the second group or second resource set or second channel set, and the DL TCI status of the first group or first resource set or first channel set;

That is, the DL TCI status and UL TCI status of the second TRP, and the DL TCI status of the first TRP.

(3) The DL TCI status and UL TCI status of the first group or the first resource set or the first channel set, and the UL TCI status of the second group or the second resource set or the second channel set;

That is, the DL TCI status and UL TCI status of the first TRP, and the UL TCI status of the second TRP.

(4) The DL TCI status and UL TCI status of the second group or second resource set or second channel set, and the UL TCI status of the first group or first resource set or first channel set;

That is, the DL TCI status and UL TCI status of the second TRP, and the UL TCI status of the first TRP.

Among them, the four TCI states include:

That is, the DL TCI status and UL TCI status of the first TRP, and the second DL TCI status and UL TCI status.

In addition to TCI status combinations containing UL TCI status, other examples may indicate that each Index of the group or resource set or channel set associated with the TCI state. In order to solve this problem, it can be specified that when MAC-CE or DCI indicates or activates the TCI state, different TCI state types can be as follows: Example 1, Example 1', Example 2, Example 2', ..., Example 7, Example 7', Example 8. Example 8 is arranged in sequence and indicates the following information:

(1) N1, indicating the number of TCI states or the number of TCI state types in Example 1;

(2) N2, represents the number of TCI states or the number of TCI state types in Example 1’;

(3) N3, represents the number of TCI state combinations or the number of TCI state types in Example 3 + Example 3’;

(4) N4, indicating the number of TCI state combinations or the number of TCI state types in Example 4 + Example 4’;

(5) N5, indicating the number of TCI state combinations or the number of TCI state types in Example 5;

(6) N6, represents the number of TCI state combinations or the number of TCI state types in Example 7+Example 7';

(7) N7, represents the number of TCI state combinations or the number of TCI state types in Example 8 + Example 8’.

In the embodiments of the present disclosure, the beam indication problem of unified TCI in the MULTI-TRP scenario can be solved, and the flexibility of the beam indication in the MULTI-TRP scenario is improved.

Referring to Figure 3, an embodiment of the present disclosure provides a TCI state activation method, which is applied to network equipment. The method includes: step 301.

Step 301: Send DCI or MAC-CE, the DCI or MAC-CE is used to indicate information of one or more TCI states, and/or, the DCI or MAC-CE is used to activate one or more TCI states;

Wherein, the TCI status information includes at least one of the following:

(1) The number of TCI states in the Nth TCI code point, N is a positive integer;

(2) Whether the TCI state is the first TCI state in a TCI code point;

(4) The number of TCI states or the number of TCI state combinations or the number of TCI state types.

In an embodiment of the present disclosure, when the DCI or MAC-CE activates the TCI state, Different TCI status types are arranged in a preset order.

(1) The TCI state is the first TCI state in the Nth TCI code point;

(2) The TCI state is not the first TCI state in the Nth TCI code point.

(1) A TCI status;

(2) Two TCI states;

(3) Three TCI states;

(4) Four TCI states.

In an embodiment of the present disclosure, the TCI status information includes: an index of a group or resource set or channel set associated with the TCI status,

The DCI or MAC-CE includes: a second indication bit,

(1) The joint TCI state or DL TCI state of the first group or first resource set or first channel set;

(2) The joint TCI state or DL TCI state of the second group or second resource set or second channel set;

(3) UL TCI status of the first group or first resource set or first channel set;

(4) The UL TCI status of the second group or second resource set or second channel set;

or,

The two TCI states include one of the following:

(2) The DL TCI status and UL TCI status of the second group or second resource set or second channel set;

or,

The three TCI states include one of the following:

or,

The four TCI states include:

In an embodiment of the present disclosure, a DCI or MAC-CE is sent, the DCI or MAC-CE is used to indicate information about one or more TCI states, and/or the DCI or MAC-CE is used to activate one or more Multiple TCI states; wherein, the TCI state information includes at least one of the following: the number of TCI states in the Nth TCI code point, N is a positive integer; whether the TCI state is in the Nth TCI code point The first TCI state; the index of the group or resource set or channel set associated with the TCI state; the number of the TCI states or the number of TCI state combinations or the number of TCI state types, which can improve the TCI state indication or activation flexibility.

Referring to Figure 15, an embodiment of the present disclosure provides a TCI state activation device, which is applied to a terminal. The device 1500 includes:

Receiving module 1501, configured to receive DCI or MAC-CE, the DCI or MAC-CE is used to indicate information about the status of one or more TCIs, and/or the DCI or MAC-CE is used to activate one or more TCI status.

Further, the device 1500 may also include: an activation module, configured to activate the one or more TCI states according to the DCI or MAC-CE;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

In an embodiment of the present disclosure, the indexes of groups or resource sets or channel sets associated with different TCI states in the multiple TCI states are the same, or different TCIs in the multiple TCI states have the same index. The indexes of the groups or resource collections or channel collections associated with the state are not the same.

The TCI state is the first TCI state in the Nth TCI code point;

The TCI state is not the first TCI state in the Nth TCI code point.

a TCI status;

Two TCI states;

Three TCI status;

Four TCI states.

The DCI or MAC-CE includes: a second indication bit,

Joint TCI status or DL TCI status of the second group or second resource set or second channel set state;

or,

The two TCI states include one of the following:

or,

The three TCI states include one of the following:

or,

The four TCI states include:

DL TCI status and UL TCI status of the first group or first set of resources or first set of channels, and the DL TCI status and the UL TCI status of the second group or second resource set or second channel set.

The device provided by the embodiment of the present disclosure can implement each process implemented by the method embodiment shown in Figure 2 and achieve the same technical effect. To avoid duplication, the details will not be described here.

Referring to Figure 16, an embodiment of the present disclosure provides a TCI state activation device, which is applied to network equipment. The device 1600 includes:

Sending module 1601, configured to send DCI or MAC-CE, the DCI or MAC-CE is used to indicate information about the status of one or more TCIs, and/or the DCI or MAC-CE is used to activate one or more TCI status;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

The TCI state is the first TCI state in the Nth TCI code point;

The TCI state is not the first TCI state in the Nth TCI code point.

Or, when the first indication bit is a second value, the first indication bit is used to indicate TCI The state is not the first TCI state in the Nth TCI code point.

a TCI status;

Two TCI states;

Three TCI status;

Four TCI states.

The DCI or MAC-CE includes: a second indication bit,

or,

The two TCI states include one of the following:

Joint TCI status or DL TCI status of the first group or first set of resources or first set of channels state, the joint TCI state or DL TCI state of the second group or second resource set or second channel set;

or,

The three TCI states include one of the following:

or,

The four TCI states include:

The device provided by the embodiment of the present disclosure can implement each process implemented by the method embodiment shown in Figure 3 and achieve the same technical effect. To avoid duplication, the details will not be described here.

As shown in Figure 17, the embodiment of the present disclosure also provides a communication device 1700, including a processor 1701, a memory 1702, and a program or instruction stored on the memory 1702 and executable on the processor 1701. The program or instruction When executed by the processor 1701, each process of the above method embodiment shown in Figure 2 or Figure 3 is implemented, and the same technical effect can be achieved. To avoid repetition, they will not be repeated here.

Embodiments of the present disclosure also provide a readable storage medium. Programs or instructions are stored on the readable storage medium. When the program or instructions are executed by a processor, each process of the method embodiment shown in Figure 2 or Figure 3 is implemented. , and can achieve the same technical effect, so to avoid repetition, they will not be described again here.

Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes computer-readable storage media, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.

The steps of the method or algorithm described in conjunction with the present disclosure may be implemented in hardware or by executing software instructions on a processor. Software instructions can be composed of corresponding software modules. Software modules can be stored in RAM, flash memory, ROM, Erasable Programmable Read-Only Memory (EPROM), and electrically charged erasable programmable read-only memory (EPROM). Electrically Erasable Programmable read only memory (EEPROM), register, hard disk, mobile hard disk, read-only CD-ROM or any other form of storage media well known in the art. An exemplary storage medium is coupled to the processor such that the processor can read information from the storage medium and write information to the storage medium. Of course, the storage medium can also be an integral part of the processor. The processor and storage medium can be carried in an Application Specific Integrated Circuit (ASIC). In addition, the ASIC can be carried in the core network interface device. Of course, the processor and the storage medium can also exist as discrete components in the core network interface device.

Those skilled in the art should realize that in one or more of the above examples, the functions described in the present disclosure may be implemented using hardware, software, firmware, or any combination thereof. When implemented using software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. Storage media can be any available media that can be accessed by a general purpose or special purpose computer.

The above-mentioned specific embodiments further describe the purpose, technical solutions and beneficial effects of the present disclosure in detail. It should be understood that the above-mentioned are only specific embodiments of the present disclosure and are not intended to limit the scope of the present disclosure. Protection scope: Any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solution of the present disclosure shall be included in the protection scope of the present disclosure.

Those skilled in the art will understand that embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, embodiments of the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment that combines software and hardware aspects. Furthermore, embodiments of the present disclosure may employ computer-usable storage media (including, but not limited to, magnetic disk storage, Compact Disc Read-Only Memory, Compact Disc Read-Only Memory, etc.) embodying computer-usable program code therein. The form of a computer program product implemented on CD-ROM), optical storage, etc.).

Embodiments of the disclosure are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each process and/or block in the flowchart illustrations and/or block diagrams, and combinations of processes and/or blocks in the flowchart illustrations 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 device to produce a machine, such that the instructions executed by the processor of the computer or other programmable data processing device produce a use A device for realizing the functions specified in one process or multiple processes of the flowchart and/or one block or multiple blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory that causes a computer or other programmable data processing apparatus to operate in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction means, the instructions The device implements the functions specified in a process or processes of the flowchart and/or a block or blocks of the block diagram.

These computer program instructions may also be loaded onto a computer or other programmable data processing device, causing a series of operating steps to be performed on the computer or other programmable device to produce computer-implemented processing, thereby executing on the computer or other programmable device. Instructions provide steps for implementing the functions specified in a process or processes of a flowchart diagram and/or a block or blocks of a block diagram.

Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present disclosure without departing from the spirit and scope of the present disclosure. In this way, if these modifications and variations of the embodiments of the present disclosure fall within the scope of the claims of the present disclosure and equivalent technologies, the present disclosure is also intended to include these modifications and variations.

Claims

A TCI state activation method, applied to terminals, the method includes:

Receive downlink control information DCI or media access control control element MAC-CE, the DCI or MAC-CE is used to indicate one or more transmission configuration information indicating TCI status, and/or the DCI or MAC-CE is used to To activate one or more TCI states;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

The index of the group or resource set or channel set associated with the TCI status;

The number of TCI states or the number of TCI state combinations or the number of TCI state types.
The method according to claim 1, wherein when the DCI or MAC-CE activates the TCI state, different TCI state types are arranged in a preset order.
The method according to claim 1, wherein the groups or resource sets or channel sets associated with different TCI states in the plurality of TCI states have the same index, or the groups associated with different TCI states in the multiple TCI states Or the indexes of resource collections or channel collections are not the same.
The method of claim 1, wherein the TCI status information includes: the number of TCI statuses in the Nth TCI code point, or whether the TCI status is the first TCI status in the Nth TCI code point. TCI status,

The DCI or MAC-CE includes: a first indication bit, the first indication bit is used to indicate one of the following:

The TCI state is the first TCI state in the Nth TCI code point;

The TCI state is not the first TCI state in the Nth TCI code point.
The method of claim 4, wherein when the first indication bit is a first value, the first indication bit is used to indicate that the TCI state is the first of the Nth TCI code point TCI status;

Alternatively, when the first indication bit is a second value, the first indication bit is used to indicate that the TCI state is not the first TCI state in the Nth TCI code point.
The method according to claim 1, wherein the number of TCI states includes one of the following:

a TCI status;

Two TCI states;

Three TCI status;

Four TCI states.
The method according to claim 1, wherein the TCI status information includes: an index of a group or resource set or channel set associated with the TCI status,

The DCI or MAC-CE includes: a second indication bit,

In the case where the second indication bit is a third value, the second indication bit is used to indicate that the TCI state is associated with an index of the first group or the first resource set or the first channel set;

Alternatively, when the second indication bit is a fourth value, the second indication bit is used to indicate that the TCI state is associated with an index of the second group or the second resource set or the second channel set.
The method according to claim 6, wherein said one TCI state includes one of the following:

The joint TCI state or the downlink DL TCI state of the first group or the first resource set or the first channel set;

The joint TCI status or DL TCI status of the second group or second resource set or second channel set;

The uplink UL TCI status of the first group or the first resource set or the first channel set;

The UL TCI status of the second group or second resource set or second channel set;

or,

The two TCI states include one of the following:

DL TCI status and UL TCI status of the first group or first resource set or first channel set;

The DL TCI status and UL TCI status of the second group or second resource set or second channel set;

The joint TCI state or DL TCI state of the first group or first resource set or first channel set, and the UL TCI state of the second group or second resource set or second channel set;

The joint TCI state or DL TCI state of the second group or second resource set or second channel set, and the UL TCI state of the first group or first resource set or first channel set;

The joint TCI state or DL TCI state of the first group or the first resource set or the first channel set, the joint TCI state or the DL TCI state of the second group or the second resource set or the second channel set;

The UL TCI status of the first group or the first resource set or the first channel set, the UL TCI status of the second group or the second resource set or the second channel set;

or,

The three TCI states include one of the following:

The DL TCI status and UL TCI status of the first group or first resource set or first channel set, and the DL TCI status of the second group or second resource set or second channel set;

The DL TCI status and UL TCI status of the second group or second resource set or second channel set, and the DL TCI status of the first group or first resource set or first channel set;

The DL TCI status and the UL TCI status of the first group or the first resource set or the first channel set, and the UL TCI status of the second group or the second resource set or the second channel set;

The DL TCI status and UL TCI status of the second group or second resource set or second channel set, and the UL TCI status of the first group or first resource set or first channel set;

or,

The four TCI states include:

The DL TCI status and the UL TCI status of the first group or first set of resources or the first set of channels, and the DL TCI status and UL TCI status of the second group or second set of resources or the second set of channels.
A TCI state activation method, applied to network equipment, the method includes:

Send DCI or MAC-CE, the DCI or MAC-CE is used to indicate information of one or more TCI states, and/or, the DCI or MAC-CE is used to activate one or more TCI states;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

The index of the group or resource set or channel set associated with the TCI status;

The number of TCI states or the number of TCI state combinations or the number of TCI state types.
The method according to claim 9, wherein when the DCI or MAC-CE activates the TCI state, different TCI state types are arranged in a preset order.
The method according to claim 9, wherein the groups or resource sets or channel sets associated with different TCI states in the plurality of TCI states have the same index, or the groups associated with different TCI states in the multiple TCI states are the same. Or the indexes of resource collections or channel collections are not the same.
The method according to claim 9, wherein the TCI status information includes: the number of TCI statuses in the Nth TCI code point, or whether the TCI status is the first one in the Nth TCI code point. TCI status,

The DCI or MAC-CE includes: a first indication bit, the first indication bit is used to indicate one of the following:

The TCI state is the first TCI state in the Nth TCI code point;

The TCI state is not the first TCI state in the Nth TCI code point.
The method of claim 12, wherein when the first indication bit is a first value, the first indication bit is used to indicate that the TCI state is the first of the Nth TCI code point TCI status;

Alternatively, when the first indication bit is a second value, the first indication bit is used to indicate that the TCI state is not the first TCI state in the Nth TCI code point.
The method according to claim 9, wherein the number of TCI states includes one of the following:

a TCI status;

Two TCI states;

Three TCI status;

Four TCI states.
The method according to claim 9, wherein the TCI status information includes: an index of a group or resource set or channel set associated with the TCI status,

The DCI or MAC-CE includes: a second indication bit,

In the case where the second indication bit is a third value, the second indication bit is used to indicate that the TCI state is associated with an index of the first group or the first resource set or the first channel set;

Alternatively, when the second indication bit is a fourth value, the second indication bit is used to indicate that the TCI state is associated with an index of the second group or the second resource set or the second channel set.
The method according to claim 14, wherein said one TCI state includes the following one:

The joint TCI status or DL TCI status of the first group or first resource set or first channel set;

The joint TCI status or DL TCI status of the second group or second resource set or second channel set;

The UL TCI status of the first group or first resource set or first channel set;

The UL TCI status of the second group or second resource set or second channel set;

or,

The two TCI states include one of the following:

DL TCI status and UL TCI status of the first group or first resource set or first channel set;

The DL TCI status and UL TCI status of the second group or second resource set or second channel set;

The joint TCI state or DL TCI state of the first group or first resource set or first channel set, and the UL TCI state of the second group or second resource set or second channel set;

The joint TCI state or DL TCI state of the second group or second resource set or second channel set, and the UL TCI state of the first group or first resource set or first channel set;

The joint TCI state or DL TCI state of the first group or the first resource set or the first channel set, the joint TCI state or the DL TCI state of the second group or the second resource set or the second channel set;

The UL TCI status of the first group or the first resource set or the first channel set, the UL TCI status of the second group or the second resource set or the second channel set;

or,

The three TCI states include one of the following:

The DL TCI status and UL TCI status of the first group or first resource set or first channel set, and the DL TCI status of the second group or second resource set or second channel set;

The DL TCI status and UL TCI status of the second group or second resource set or second channel set, and the DL TCI status of the first group or first resource set or first channel set;

The DL TCI status and the UL TCI status of the first group or the first resource set or the first channel set, and the UL TCI status of the second group or the second resource set or the second channel set;

DL TCI status and UL TCI status of the second group or second set of resources or second set of channels, and the UL TCI status of the first group or first set of resources or first set of channels;

or,

The four TCI states include:

The DL TCI status and the UL TCI status of the first group or first set of resources or the first set of channels, and the DL TCI status and UL TCI status of the second group or second set of resources or the second set of channels.
A TCI status activation device, applied to a terminal, the device includes:

A receiving module, configured to receive DCI or MAC-CE, the DCI or MAC-CE is used to indicate information about the status of one or more TCIs, and/or the DCI or MAC-CE is used to activate one or more TCIs. state;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

The index of the group or resource set or channel set associated with the TCI status;

The number of TCI states or the number of TCI state combinations or the number of TCI state types.
A TCI state activation device, applied to network equipment, the device includes:

A sending module, configured to send DCI or MAC-CE, the DCI or MAC-CE is used to indicate information about the status of one or more TCIs, and/or the DCI or MAC-CE is used to activate one or more TCIs. status information;

Wherein, the TCI status information includes at least one of the following:

The number of TCI states in the Nth TCI code point, N is a positive integer;

Whether the TCI state is the first TCI state in the Nth TCI code point;

The index of the group or resource set or channel set associated with the TCI status;

The number of TCI states or the number of TCI state combinations or the number of TCI state types.