CN113660727A

CN113660727A - Method, device, apparatus and medium for determining and indicating access parameter

Info

Publication number: CN113660727A
Application number: CN202010397667.5A
Authority: CN
Inventors: 王磊
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-11-16
Also published as: TW202143778A; TWI778614B; WO2021227844A1

Abstract

The invention discloses a method, a device and a medium for determining and indicating access parameters, which comprises the following steps: the terminal detects and receives the synchronous signal block; and the terminal determines a control resource set for transmitting a common downlink control channel and a corresponding common search space detection period according to the capability type of the terminal and the indication information carried by the synchronization signal block. A base station sends a synchronous signal block carrying indication information to a terminal, wherein the indication information carried by the synchronous signal block is used for the terminal to determine a control resource set for transmitting a public downlink control channel and a corresponding public search space detection period according to the capability type of the terminal; and the base station sends the physical downlink control channels of the terminals of different types corresponding to the control resource set and the corresponding public search space detection period. The invention can enable different types of terminals to access the network in the initial access process, thereby increasing the flexibility of the system and simultaneously reducing the system overhead.

Description

Method, device, apparatus and medium for determining and indicating access parameter

Technical Field

The present invention relates to the field of wireless communications technologies, and in particular, to a method, device, and medium for determining and indicating an access parameter.

Background

In the current wireless system, a terminal detects and receives a SSB (Synchronization Signal/Physical broadcast channel Signal Block) during a cell search process, and determines Physical resources occupied by core #0 (Control resource set No. 0; core: Control resource set, Control resource set) and period Information of SS #0 (Synchronization Signal No. 0; SS: Synchronization Signal, Synchronization Signal) through 8bits of Information carried in MIB (Control Information Block) transmitted on the PBCH (Physical broadcast channel). All terminals in the cell detect a PDCCH (Physical downlink control channel) for receiving a scheduling SIB (System Information Block)1 at a corresponding resource location according to an instruction of the MIB. The information carried by the SIB1 is the same for all terminals.

The defects of the prior art are as follows: all terminals in the cell must detect the PDCCH of the reception scheduling SIB1 at the same bandwidth and the same periodicity.

Disclosure of Invention

The invention provides a method, equipment, a device and a medium for determining and indicating access parameters, which are used for solving the problem that various access modes cannot be provided for various types of terminals.

The embodiment of the invention provides a method for determining access parameters, which comprises the following steps:

the terminal detects and receives the SSB;

and the terminal determines the CORESET for transmitting the common downlink control channel and the corresponding CSS detection period according to the indication information carried by the SSB and the capability type of the terminal.

In implementation, the CORESET for transmitting the common downlink control channel is determined according to the capability type of the terminal, and according to a predetermined mode, the CORESET #0 configuration table set and the SS #0 configuration table set corresponding to different types of terminals are determined.

In an implementation, the terminal is determined to be a first type terminal or a second type terminal according to the capability type of the terminal, wherein the terminal is determined to be the first type terminal or the second type terminal according to the version that the terminal meets the 3GPP protocol, and/or the first type terminal is not a low-capability terminal and the second type terminal is a low-capability terminal.

In an implementation, the set of CORESET #0 configuration tables and the set of SS #0 configuration tables corresponding to the first type terminal or the second type terminal are the same or different.

In implementation, the core #0 configuration table set and the SS #0 configuration table set corresponding to the first type terminal are defined in the current protocol or are redefined configuration table sets;

or the like, or, alternatively,

the core #0 configuration table set and the SS #0 configuration table set corresponding to the second type terminal are defined for the second type terminal.

In implementation, the configuration table set of core #0 and the configuration table set of SS #0 corresponding to the second type terminal:

configuration information such as CORESET #0 bandwidth, occupied symbol number and the like is different from a table corresponding to the first type of terminal; and/or the presence of a gas in the gas,

the SS #0 transmission time domain location is different from the table corresponding to the first class of terminals.

In implementation, the first class terminal and the second class terminal determine the resources of CORESET #0 according to the respective configuration table sets, or the time domain resources transmitted by the CSS are not overlapped; alternatively, the first and second electrodes may be,

the resources of the CORESET #0 and the time domain resources of the CSS transmission do not overlap.

In an implementation, the method further comprises the following steps:

and determining whether the MIB is used for indicating configuration information of CORESET #0 and SS #0 of the first-class terminal or the second-class terminal based on 1-bit indication information carried by the MIB.

In implementation, the 1-bit indication information is a reserved bit in the MIB.

In implementation, the 1bit indication information indicates as follows:

0 or 1 indicates that the MIB is used for indicating the CORESET #0 and SS #0 related configurations of the first type terminal and the second type terminal; and/or the presence of a gas in the gas,

1 or 0 indicates that the MIB is used only to indicate the relevant configuration of core set #0 and SS #0 of the first type terminal or the second type terminal.

In an implementation, the method further comprises the following steps:

and detecting and receiving the PDCCH corresponding to the self in the CORESET and the SS according to the determined CORESET and the SS.

In the implementation, according to the determined CORESET and SS, detecting and receiving the PDCCH corresponding to the detected and received CORESET, the method includes:

receiving downlink control channels of SIB1 corresponding to the first-class terminal, which are sent by the base station in CORESET #0 and SS #0 corresponding to the first-class terminal; or the like, or, alternatively,

and receiving the downlink control channel which is transmitted by the base station in CORESET #0 and SS #0 corresponding to the second type terminal and schedules SIB1 corresponding to the second type terminal.

The embodiment of the invention provides a method for indicating access parameters, which comprises the following steps:

a base station sends an SSB carrying indication information to a terminal, wherein the indication information carried by the SSB is used for the terminal to determine a CORESET for transmitting a common downlink control channel and a corresponding CSS detection period according to the capability type of the terminal;

and the base station sends the PDCCH of the different types of terminals corresponding to the CORESET and the corresponding CSS detection period.

or the like, or, alternatively,

In an implementation, the method further comprises the following steps:

and indicating whether the MIB is used for indicating configuration information of CORESET #0 and SS #0 of the first-class terminal or the second-class terminal based on 1-bit indication information carried by the MIB.

In implementation, the 1bit indication information indicates as follows:

In implementation, the base station sends PDCCHs of different types of terminals corresponding to the CORESET and the corresponding CSS detection period, including:

the base station sends a downlink control channel for scheduling SIB1 corresponding to the first type terminal in CORESET #0 and SS #0 corresponding to the first type terminal; and the combination of (a) and (b),

the base station transmits the downlink control channel for scheduling the SIB1 corresponding to the second type terminal in the core set #0 and SS #0 corresponding to the second type terminal.

An embodiment of the present invention provides a terminal, including:

a processor for reading the program in the memory, performing the following processes:

detecting a receiving SSB;

according to the indication information carried by the SSB, determining a CORESET for transmitting a common downlink control channel and a corresponding CSS detection period according to the capability type of the terminal;

a transceiver for receiving and transmitting data under the control of the processor.

or the like, or, alternatively,

In an implementation, the method further comprises the following steps:

In implementation, the 1bit indication information indicates as follows:

In an implementation, the method further comprises the following steps:

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

the method comprises the steps that an SSB carrying indication information is sent to a terminal, and the indication information carried by the SSB is used for the terminal to determine a CORESET for transmitting a common downlink control channel and a corresponding CSS detection period according to the capability type of the terminal;

sending PDCCHs of different types of terminals corresponding to the CORESET and the corresponding CSS detection period;

or the like, or, alternatively,

In an implementation, the method further comprises the following steps:

In implementation, the 1bit indication information indicates as follows:

sending a downlink control channel for scheduling SIB1 corresponding to the first type terminal in CORESET #0 and SS #0 corresponding to the first type terminal; and the combination of (a) and (b),

and transmitting the downlink control channel for scheduling the SIB1 corresponding to the second type terminal in CORESET #0 and SS #0 corresponding to the second type terminal.

The embodiment of the invention provides a device for determining access parameters, which comprises:

a detection module for detecting a receiving SSB;

and the determining module is used for determining the CORESET for transmitting the common downlink control channel and the corresponding CSS detection period according to the capability type of the terminal and the indication information carried by the SSB by the terminal.

The embodiment of the invention provides a device for indicating access parameters, which comprises:

the system comprises a first sending module, a second sending module and a third sending module, wherein the first sending module is used for sending an SSB carrying indication information to a terminal, and the indication information carried by the SSB is used for the terminal to determine a CORESET for transmitting a common downlink control channel and a corresponding CSS detection period according to the capability type of the terminal;

and the second sending module is used for sending the PDCCH of the different types of terminals corresponding to the CORESET and the corresponding CSS detection period.

An embodiment of the present invention provides a computer-readable storage medium storing a computer program for executing the method for determining an access parameter and/or the method for indicating an access parameter.

The invention has the following beneficial effects:

in the technical solution provided in the embodiment of the present invention, because the indication information carried in the SSB enables the terminal to determine the CORESET and the corresponding CSS detection period for transmitting the common downlink control channel according to its own capability type, and the terminal that cannot be of the type does not need to detect the PDCCH for receiving the scheduling SIB1 according to the same bandwidth and the same period, it is possible to enable terminals of different types to access the network during the initial access process, thereby increasing the flexibility of the system and reducing the system overhead.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic flow chart of an implementation of a method for determining an access parameter on a terminal side according to an embodiment of the present invention;

fig. 2 is a schematic flow chart of an implementation of a method for indicating access parameters at a base station side in an embodiment of the present invention;

fig. 3 is a schematic configuration diagram of core #0 and SS #0 determined by different types of terminals through the same MIB information in the embodiment of the present invention;

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

fig. 5 is a schematic diagram of a base station structure according to an embodiment of the present invention.

Detailed Description

The inventor notices in the process of invention that:

under the existing terminal access mechanism, all terminals in a cell must detect and receive the PDCCH of the scheduling SIB1 according to the same bandwidth and the same period, which means that the existing access method cannot support access of a terminal with a small bandwidth and cannot broadcast different system information for different terminals.

However, low-power terminals are inevitably introduced into the network, and such terminals are characterized by low hardware cost, long standby time and large number of terminals. Accordingly, the transmission bandwidth thereof tends to be small, for example, several MHz. Currently, when the terminal accesses the network, it needs to detect the PDCCH transmitted by the scheduling SIB1 in the CORESET #0, and the CORESET #0 and the relevant configuration of the corresponding search space are indicated by 8bit information in the MIB.

However, considering that the bandwidth supported by the low-power terminal is small, the bandwidth of CORESET #0 may not be supported; the access latency requirements are also different (e.g., longer access times may be allowed); the requirements for system information may also be different, meaning that separate SIB1 information is required.

However, in the current system, only one set of CORESET #0 and SS #0 configuration can be obtained by receiving the same SSB, and if the search space of common CORESET (common CORESET) corresponding to the low-capability terminal and the downlink control channel of the transmission scheduling SIB1 is indicated, no solution is available at present to solve the problem.

Based on this, the embodiment of the present invention provides a scheme for determining and indicating an access parameter, and the following describes a specific implementation of the present invention with reference to the drawings.

In the description process, the implementation of the UE and the base station will be described separately, and then an example of the implementation of the UE and the base station in cooperation will be given to better understand the implementation of the scheme given in the embodiment of the present invention. Such an explanation does not mean that the two must be implemented together or separately, and actually, when the UE and the base station are implemented separately, the UE and the base station solve the problems on the UE side and the base station side, respectively, and when the two are used in combination, a better technical effect is obtained.

Fig. 1 is a schematic flow chart of an implementation process of a method for determining an access parameter on a terminal side, as shown in the figure, the method includes:

step 101, a terminal detects and receives an SSB;

and step 102, the terminal determines the CORESET for transmitting the common downlink control channel and the corresponding CSS detection period according to the capability type of the terminal according to the indication information carried by the SSB.

Fig. 2 is a schematic flow chart of an implementation process of a method for indicating an access parameter at a base station side, as shown in the figure, the method includes:

step 201, a base station sends an SSB carrying indication information to a terminal, wherein the indication information carried by the SSB is used for the terminal to determine a CORESET for transmitting a common downlink control channel and a corresponding CSS detection period according to the capability type of the terminal;

step 202, the base station sends the PDCCH of the different types of terminals corresponding to the CORESET and the corresponding CSS detection period.

In the scheme, terminals with different capabilities receive indication information carried in the same SSB through detection, so as to determine respective CORESET for transmitting a Common downlink control channel and a corresponding CSS (Common Search Space) detection period.

Specifically, the absolute starting time domain position of the CORESET resource set can be determined through the detection period corresponding to the CSS.

Since the terminal side and the base station side have a corresponding relationship, the following description mainly refers to the implementation of the terminal side, but those skilled in the art can derive the corresponding implementation of the base station side according to the implementation of the terminal side.

For the terminal side, the terminal detects and receives the SSB, and determines the CORESET for transmitting the common downlink control channel and the corresponding CSS detection period according to the indication information carried by the SSB.

Specifically, the CORESET #0 configuration table set and the SS #0 configuration table set corresponding to different types of terminals may be determined in a protocol predefined manner.

Specifically, the terminals of different types are divided into a first type terminal, a second type terminal and the like according to one or more of the following criteria:

1) according to the division of 3GPP release, for example, a Rel-15/16 terminal is taken as a first type terminal, and a terminal of a subsequent version is taken as a second type terminal;

2) according to the terminal capability division, for example, a low-capability terminal (for example, NR lite (NR reduced version; NR: 5G New air interface, New Radio)) is used as the second type terminal, and other non-low-capability terminals are used as the first type terminal.

In an implementation, the set of core #0 configuration tables and the set of SS #0 configuration tables corresponding to the first type terminal or the second type terminal may be the same or different.

Specifically, the configuration table sets of core #0 and SS #0 corresponding to the first type terminal and the second type terminal are the same or different.

or the like, or, alternatively,

Specifically, the core #0 configuration table set and the SS #0 configuration table set corresponding to the first type terminal may be the core #0 configuration table set and the SS #0 configuration table set defined in the current protocol, or newly defined configuration table sets.

The CORESET #0 configuration table set and the SS #0 configuration table set corresponding to the second type terminal are tables defined for the second type terminal.

In specific implementation, in the configuration table set of core #0 and the configuration table set of SS #0 corresponding to the second type terminal:

Specifically, configuration information such as the bandwidth of CORESET #0 and the number of occupied symbols in the table set is different from the table corresponding to the first type of terminal;

and the SS #0 transmission time domain position in the table set is different from the table corresponding to the first type of terminal.

Specifically, the first class terminal and the second class terminal determine, according to the respective configuration table sets, the resources of the core set #0, or the time domain resources transmitted by the CSS, or the resources of the core set #0 and the time domain resources transmitted by the CSS are not overlapped.

In the implementation, the method can further comprise the following steps:

In a specific implementation, the 1-bit indication information is a reserved bit in the MIB.

In specific implementation, the 1bit indication information indicates as follows:

Specifically, whether the MIB is used to indicate configuration information of core set #0 and SS #0 of the first class terminal or the second class terminal may be determined based on 1-bit indication information carried by the MIB

The 1bit indication information is a reserved bit in the MIB;

0 or 1 indicates that the MIB is used to indicate the core set #0 and SS #0 related configurations of the first type terminal and the second type terminal, and 1 or 0 indicates that the MIB is used to indicate only the core set #0 and SS #0 related configurations of the first type terminal or the second type terminal.

For the base station side, there are:

the base station sends the SSB, and the MIB carried on the PBCH carries the configuration information about the core set #0 and the SS # 0.

Further, the base station may indicate, through 1bit information carried in the MIB, that the MIB is used for the first class terminal, the second class terminal, or the related configuration of the first class terminal and the second class terminal.

the base station sends downlink control channels for scheduling SIB1 corresponding to the first-class terminal in CORESET #0 and SS #0 corresponding to the first-class terminal; and the combination of (a) and (b),

the base station transmits the downlink control channel for scheduling the SIB1 corresponding to the second type terminal, to the CORESET #0 and SS #0 corresponding to the second type terminal.

Accordingly, on the terminal side, the method may further include:

In a specific implementation, according to the determined CORESET and SS, detecting and receiving a PDCCH corresponding to the detected and received CORESET, includes:

receiving downlink control channels which are sent by a base station in CORESET #0 and SS #0 corresponding to the first-class terminal and schedule SIB1 corresponding to the downlink control channels; or the like, or, alternatively,

and receiving the downlink control channel which is transmitted by the base station in CORESET #0 and SS #0 corresponding to the second type terminal and schedules SIB1 corresponding to the downlink control channel.

Specifically, the base station transmits the downlink control channel scheduling the SIB1 corresponding to the first type terminal in the core set #0 and the SS #0 corresponding to the first type terminal.

The following is an example.

Example 1:

it is assumed that there are two types of terminals in the system, namely a first type of terminal and a second type of terminal. In this embodiment, the first type of terminal is a normal-capability terminal, and the second type of terminal is a low-capability terminal.

The terminals all access the network through the same SSB, i.e., receive the same SSB. After receiving the same MIB information transmitted in the SSB, the terminal analyzes the CORESET #0 and SS #0 configuration information in the MIB. And determining the transmission positions of CORESET #0 and SS #0 indicated by the information in the MIB according to the type of the MIB.

For example, for a first type of terminal, which supports a larger transmission bandwidth, according to the SSB and the SCS (sub-carrier space) combination of the core set #0, a table indicating the core set #0 and the SS #0 is determined in the core set #0 and SS #0 configuration table set corresponding to the first type of terminal, and according to the corresponding bit information in the MIB, which row of parameters in the table is used to determine the resource configuration of the core set #0 and the time domain position of the SS #0 transmission.

For the second class of terminals, the supported transmission bandwidth is smaller or insensitive to access delay. After the MIB information is analyzed, the corresponding table is selected from the configuration tables of core set #0 and SS #0 corresponding to the second type terminal. The selection rule may be the same as the selection rule of the first type terminal, for example, according to the combination of the SSB and the subcarrier spacing of CORESET # 0.

In this example, it is assumed that the SCS of SSB and CORESET #0 are both 15 kHz. Assuming that an indication bit for indicating a CORESET #0 resource and a SS #0 transmission time domain position in the MIB is 00000001, wherein a high 4bits is used for indicating the relevant configuration of CORESET #0, and specifically for indicating the row number of the configuration parameter in the CORESET #0 configuration table; the lower 4bits are used to indicate the relevant configuration of SS #0, and specifically to indicate the row number of configuration parameters in the configuration table of SS # 0. In this embodiment, CORESET #0 is determined by the combination of the parameters in the first row of its configuration table, and SS #0 is determined by the combination of the parameters in row 2 of its configuration table.

For example, the table of the CORESET #0 and SS #0 corresponding to the first type of terminal is as follows, wherein the bold entry represents the CORESET #0 and SS #0 configuration of the terminal:

table 1: first type terminal CORESET #0 configuration table

Table 2: first type terminal SS #0 configuration table

For example, the table of the CORESET #0 and SS #0 corresponding to the second type of terminal is as follows, wherein the bold entry represents the CORESET #0 and SS #0 configuration of the terminal:

table 3: second type terminal CORESET #0 configuration table

Table 4: second type terminal SS #0 configuration table

Fig. 3 is a schematic diagram of configurations of core set #0 and SS #0 determined by different types of terminals through the same MIB information, and the configurations of core set #0 and SS #0 determined by different types of terminals through the same MIB information are specifically shown in the figure.

Example 2:

as shown in embodiment 1, the terminal may be of more types, and is not limited at all, and embodiment 1 may be referred to in the specific implementation.

Such as terminals of more capability classes, e.g. lower capability than NR lite terminals. For example, other types of terminals, such as a space-time terminal, which need to detect a received satellite signal, can refer to embodiment 1 in specific implementations.

Example 3:

for the table corresponding to the first type terminal and the table corresponding to the second terminal, it should be ensured that there is no overlap in resources between the PDCCH used by the first type terminal for scheduling SIB1 and the PDCCH used by the second type terminal for scheduling SIB 1.

Specifically, the CORESET #0 of the two terminals does not overlap with each other at all on the resource, or the transmission time domain positions of the SS #0 do not overlap with each other at all, or the time domain positions of the CORESET #0 and the SS #0 are not overlapped with each other at all. The specific parameters of the second type table are required to meet the relevant requirements of the second type terminal, such as bandwidth, e.g. transmission delay, etc.

It should be noted that, in implementation, the specific parameter combinations of the configuration tables corresponding to the core set #0 and the SS #0 for the first class terminal and the second class terminal are not limited at all. That is, the parameters of each row in the corresponding table of the first-type terminal and the second-type terminal may be the same or different.

Further, in implementation, the number of rows included in the configuration table corresponding to the first type terminal and the configuration table corresponding to the second type terminal is not limited.

Example 4:

as described in embodiment 1-3, the base station indicates the terminal type that can access the network through the MIB by using 1-bit information carried in the MIB.

For example, if the corresponding indication bit is 0, it represents that only the first class terminal can access the network through the SSB. And if the corresponding indication bit is 1, the first class terminal and the second class terminal can both access the network through the SSB.

Based on the same inventive concept, the embodiments of the present invention further provide a base station, a terminal, a device for determining an access parameter, a device for indicating an access parameter, and a computer-readable storage medium, and because the principles of solving the problems of these devices are similar to the method for determining an access parameter and the method for indicating an access parameter, the implementation of these devices may refer to the implementation of the method, and repeated details are omitted.

When the technical scheme provided by the embodiment of the invention is implemented, the implementation can be carried out as follows.

Fig. 4 is a schematic structural diagram of a terminal, and as shown in the figure, the terminal includes:

the processor 400, which is used to read the program in the memory 420, executes the following processes:

detecting a receiving SSB;

a transceiver 410 for receiving and transmitting data under the control of the processor 400.

or the like, or, alternatively,

In an implementation, the method further comprises the following steps:

In implementation, the 1bit indication information indicates as follows:

In an implementation, the method further comprises the following steps:

Where in fig. 4, the bus architecture may include any number of interconnected buses and bridges, with various circuits of one or more processors, represented by processor 400, and memory, represented by memory 420, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 410 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. For different user devices, the user interface 430 may also be an interface capable of interfacing with a desired device externally, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

The processor 400 is responsible for managing the bus architecture and general processing, and the memory 420 may store data used by the processor 400 in performing operations.

a detection module for detecting a receiving SSB;

See in particular the implementation of the method of determining access parameters.

For convenience of description, each part of the above-described apparatus is separately described as being functionally divided into various modules or units. Of course, the functionality of the various modules or units may be implemented in the same one or more pieces of software or hardware in practicing the invention.

Fig. 5 is a schematic structural diagram of a base station, as shown in the figure, the base station includes:

the processor 500, which is used to read the program in the memory 520, executes the following processes:

a transceiver 510 for receiving and transmitting data under the control of the processor 500.

or the like, or, alternatively,

In an implementation, the method further comprises the following steps:

In implementation, the 1bit indication information indicates as follows:

Wherein in fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 500, and various circuits, represented by memory 520, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 510 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.

For specific implementation, refer to implementation of the method for indicating the access parameter.

In the specific implementation, reference may be made to implementation of the method for determining the access parameter and/or the method for indicating the access parameter.

In summary, in the technical solution provided in the embodiment of the present invention, different types of terminals determine the configuration of core #0 and SS #0 according to the respective configuration table sets of core #0/SS #0 by receiving the same MIB information.

The base station indicates the CORESET #0/SS #0 configuration of the different types of terminals through the same MIB information, and transmits PDCCHs corresponding to the different types of terminals in the respective CORESET #0/SS # 0.

The scheme provides a scheme for accessing different types of terminals into the network in the initial access process, thereby increasing the flexibility of the system and simultaneously reducing the system overhead.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention 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 invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. 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 determining access parameters, comprising:

the terminal detects and receives a synchronous signal block SSB;

and the terminal determines a control resource set CORESET for transmitting a common downlink control channel and a corresponding common search space CSS detection period according to the indication information carried by the SSB and the capability type of the terminal.

2. The method of claim 1, wherein determining the CORESET for transmitting the common downlink control channel according to the capability type of the terminal determines the CORESET #0 configuration table set and the SS #0 configuration table set corresponding to different types of terminals according to a predetermined manner.

3. The method of claim 1, wherein the terminal is determined to be a first type terminal or a second type terminal according to a capability type of the terminal, wherein the terminal is determined to be the first type terminal or the second type terminal according to a version of the terminal that satisfies a 3GPP protocol, and/or wherein the first type terminal is not a low-capability terminal and the second type terminal is a low-capability terminal.

4. The method of claim 3, wherein the set of CORESET #0 configuration tables and the set of synchronization SS #0 configuration tables for the first type terminal or the second type terminal are the same or different.

5. The method of claim 3, wherein the set of CORESET #0 configuration tables and the set of SS #0 configuration tables corresponding to the first type of terminal are defined in the current protocol or are redefined;

or the like, or, alternatively,

6. The method of claim 5, wherein the second type terminal corresponds to one of a set of CORESET #0 configuration tables and a set of SS #0 configuration tables:

7. The method of claim 3, wherein the resources of CORESET #0 or the time domain resources of CSS transmission determined by the first class terminal and the second class terminal according to the respective configuration table sets do not overlap; alternatively, the first and second electrodes may be,

8. The method of any of claims 1 to 7, further comprising:

and determining whether the MIB is used for indicating configuration information of CORESET #0 and SS #0 of the first-class terminal or the second-class terminal based on 1-bit indication information carried by a control information block MIB.

9. The method of claim 8, wherein the 1-bit indication information is a reserved bit in the MIB.

10. The method of claim 8, wherein the 1-bit indication information is indicated as follows:

11. The method of claim 1, further comprising:

and detecting and receiving a Physical Downlink Control Channel (PDCCH) corresponding to the UE according to the determined CORESET and the SS.

12. The method of claim 11, wherein detecting reception of the PDCCH corresponding to itself according to the determined CORESET and SS comprises:

receiving a downlink control channel of a system information block SIB1 corresponding to a first-class terminal, which is sent by a base station in CORESET #0 and SS #0 corresponding to the first-class terminal; or the like, or, alternatively,

13. A method for indicating access parameters, comprising:

14. The method of claim 13, wherein determining the CORESET for transmitting the common downlink control channel according to the capability type of the terminal determines the CORESET #0 configuration table set and the SS #0 configuration table set corresponding to different types of terminals according to a predetermined manner.

15. The method of claim 13, wherein the terminal is determined to be a first type terminal or a second type terminal according to a capability type of the terminal, wherein the terminal is determined to be the first type terminal or the second type terminal according to a version of the terminal that satisfies a 3GPP protocol, and/or wherein the first type terminal is not a low-capability terminal and the second type terminal is a low-capability terminal.

16. The method of claim 15, wherein the set of CORESET #0 configuration tables and the set of SS #0 configuration tables for the first type terminal or the second type terminal are the same or different.

17. The method of claim 15, wherein the set of CORESET #0 configuration tables and the set of SS #0 configuration tables corresponding to the first type terminal are defined in the current protocol or are redefined configuration table sets;

or the like, or, alternatively,

18. The method of claim 17, wherein the second type terminal corresponds to one of a set of CORESET #0 configuration tables and a set of SS #0 configuration tables:

19. The method of claim 15, wherein the resources of CORESET #0 or the time domain resources of CSS transmission determined by the first class of terminals and the second class of terminals according to the respective sets of configuration tables do not overlap; alternatively, the first and second electrodes may be,

20. The method of any of claims 13 to 19, further comprising:

21. The method of claim 20, wherein the 1-bit indication information is a reserved bit in the MIB.

22. The method of claim 20, wherein the 1-bit indication information is indicated as follows:

23. The method of claim 13, wherein the base station transmitting the PDCCH for different types of terminals corresponding to the CORESET and corresponding CSS detection periods comprises:

24. A terminal, comprising:

detecting a receiving SSB;

25. The terminal of claim 24, wherein the CORESET for transmitting the common downlink control channel is determined according to the capability type of the terminal, and the CORESET #0 configuration table set and the SS #0 configuration table set corresponding to different types of terminals are determined according to a predetermined manner.

26. The terminal of claim 24, wherein the terminal is determined to be a first type terminal or a second type terminal according to a capability type of the terminal, wherein the terminal is determined to be the first type terminal or the second type terminal according to a version of the terminal that satisfies a 3GPP protocol, and/or wherein the first type terminal is not a low-capability terminal and the second type terminal is a low-capability terminal.

27. The terminal of claim 26, wherein the set of CORESET #0 configuration tables and the set of SS #0 configuration tables for the first type terminal or the second type terminal are the same or different.

28. The terminal of claim 26, wherein the set of CORESET #0 configuration tables and the set of SS #0 configuration tables corresponding to the first type terminal are defined in a current protocol or are redefined;

or the like, or, alternatively,

29. The terminal of claim 28, wherein the second type of terminal corresponds to one of a set of CORESET #0 configuration tables and a set of SS #0 configuration tables:

30. The terminal of claim 26, wherein the first class terminal and the second class terminal have no overlapping of the resources of CORESET #0 or the time domain resources of CSS transmission, determined according to the respective sets of configuration tables; alternatively, the first and second electrodes may be,

31. The terminal of any of claims 24 to 30, further comprising:

32. The terminal of claim 31, wherein the 1-bit indication information is a reserved bit in the MIB.

33. The terminal of claim 31, wherein the 1-bit indication information is indicated as follows:

34. The terminal of claim 24, further comprising:

35. The terminal of claim 34, wherein the detecting and receiving of the PDCCH corresponding to itself according to the determined CORESET and SS comprises:

36. A base station, comprising:

37. The base station of claim 36, wherein the CORESET for transmitting the common downlink control channel is determined according to the capability type of the terminal, and the CORESET #0 configuration table set and the SS #0 configuration table set corresponding to different types of terminals are determined according to a predetermined manner.

38. The base station of claim 36, wherein the terminal is determined to be a first type terminal or a second type terminal according to the capability type of the terminal, wherein the terminal is determined to be the first type terminal or the second type terminal according to a version of the terminal that satisfies 3GPP protocols, and/or wherein the first type terminal is not a low-capability terminal and the second type terminal is a low-capability terminal.

39. The base station of claim 38, wherein the set of CORESET #0 configuration tables and the set of SS #0 configuration tables for the first type terminal or the second type terminal are the same or different.

40. The base station of claim 38, wherein the core #0 configuration table set and the SS #0 configuration table set corresponding to the first type terminal are defined in the current protocol or are redefined configuration table sets;

or the like, or, alternatively,

41. The base station of claim 40, wherein the second type terminal corresponds to one of a CORESET #0 configuration table set and an SS #0 configuration table set:

42. The base station of claim 38, wherein the resources of CORESET #0 or the time domain resources of CSS transmission determined by the first class terminal and the second class terminal according to the respective configuration table sets do not overlap; alternatively, the first and second electrodes may be,

43. The base station of any of claims 36 to 42, further comprising:

44. The base station of claim 43, wherein the 1bit indication information is a reserved bit in the MIB.

45. The base station of claim 43, wherein the 1bit indication information is indicated as follows:

46. The base station of claim 36, wherein the base station transmits the PDCCH for different types of terminals corresponding to the CORESET and the corresponding CSS detection period, comprising:

47. An apparatus for determining access parameters, comprising:

a detection module for detecting a receiving SSB;

48. An apparatus for indicating access parameters, comprising:

49. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for executing the method of any one of claims 1 to 23.