CN111954243A

CN111954243A - Information indication method, device, equipment and storage medium

Info

Publication number: CN111954243A
Application number: CN202010821090.6A
Authority: CN
Inventors: 黄双红; 邢卫民; 卢有雄
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2020-11-17
Also published as: WO2022033568A1

Abstract

The application provides an information indication method, an apparatus, a device and a storage medium, wherein the information indication method comprises the following steps: receiving configuration information; and sending a first channel based on the first Radio Access Technology (RAT), wherein the first channel carries indication information, the indication information is provided by the configuration information, and the indication information indicates radio frame structure information of a second RAT.

Description

Information indication method, device, equipment and storage medium

Technical Field

The present application relates to the field of communications technologies, and in particular, to an information indicating method, apparatus, device, and storage medium.

Background

A User Equipment (UE) cannot directly know TDD-uplink-downlink (TDD-uplink-downlink) TDD-UL-DL configuration information in a coverage area because the UE cannot receive network configuration information. Further, if the in-coverage TDD UL-DL configuration information cannot be determined, the out-of-coverage UE cannot determine the frame structure used by the in-coverage UE on the shared carrier, and thus cannot determine the accurate location of the SL resource pool to the in-coverage UE, and cannot complete V2X communication with the in-coverage UE.

Disclosure of Invention

The information indication method, the device, the equipment and the storage medium provided by the application realize the frame structure consistency of the out-coverage UE and the in-coverage UE working in the target frequency band, and improve the reliability of NR V2X communication.

In a first aspect, an embodiment of the present application provides an information indication method, where the method is applied to a first node, and includes:

receiving configuration information;

and sending a first channel based on a first Radio Access Technology (RAT), wherein the first channel carries indication information, the indication information is provided by the configuration information, and the indication information indicates radio frame structure information of a second RAT.

In a second aspect, an embodiment of the present application provides an information indication method, where the method is applied to a second node, and includes:

receiving a first channel based on a first RAT, wherein the first channel carries indication information, and the indication information indicates radio frame structure information of a second RAT;

determining a radio frame structure of a second RAT based on the radio frame structure information of the second RAT.

In a third aspect, an embodiment of the present application provides an information indicating apparatus, where the apparatus is configured at a first node, and includes:

a first receiving module configured to receive configuration information;

a first transmitting module configured to transmit a first channel based on a first Radio Access Technology (RAT), wherein the first channel carries indication information, the indication information is provided by the configuration information, and the indication information indicates radio frame structure information of a second RAT.

In a fourth aspect, an embodiment of the present application provides an information indicating apparatus, where the apparatus is configured at a second node, and includes:

a second receiving module, configured to receive a first channel based on a first RAT, where the first channel carries indication information indicating radio frame structure information of a second RAT;

a frame structure determination module configured to determine a radio frame structure of a second RAT based on the radio frame structure information of the second RAT.

In a fifth aspect, an embodiment of the present application provides an apparatus, including:

one or more processors;

a memory for storing one or more programs;

when executed by the one or more processors, cause the one or more processors to implement the method as any one of the embodiments provides herein.

In a sixth aspect, the present application provides a storage medium storing a computer program, which when executed by a processor implements the method according to any one of the methods provided in the embodiments of the present application.

With regard to the above embodiments and other aspects of the present application and implementations thereof, further description is provided in the accompanying drawings description, detailed description and claims.

Drawings

Fig. 1 is a schematic structural diagram of a V2X communication system;

FIG. 2 is a schematic diagram of a slot distribution structure;

fig. 3 is a flowchart illustrating an information indication method according to an embodiment of the present application;

fig. 4 is a flowchart illustrating an information indication method according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of an information indicating apparatus according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of an information indicating apparatus according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of an apparatus provided in an embodiment of the present application.

Detailed Description

To make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.

The technical scheme of the application can be applied to various communication systems, such as: a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a General Packet Radio Service (GPRS), a Long Term Evolution (Long Term Evolution, LTE) System, a LIE-a (Advanced Long Term Evolution) System, a Universal Mobile Telecommunications System (UMTS), and a 5G System, and the like, but the embodiments of the present invention are not limited thereto. In the present application, a 5G system is described as an example.

In the technology of vehicle-to-outside information exchange (V2X), the application of a half-coverage scenario is included, that is, adjacent UEs include an in-coverage UE and an out-coverage UE, as shown in fig. 1, the in-coverage UE is within a coverage area of a base station, the out-coverage UE is outside the coverage area of the base station, and side-link communication is performed between the in-coverage UE and the out-coverage UE. The in-coverage UE and the out-of-coverage UE may operate on different carriers, such as a shared carrier for the in-coverage UE, a dedicated carrier for the out-of-coverage UE, or the same carrier, such as both shared carriers.

When the in-coverage UE and the out-coverage UE operate on the same carrier, it is necessary to keep the frame structures on the carrier consistent to correctly receive the V2X message, so as to implement V2X communication. For the case where both the in-coverage UE and the out-coverage UE operate on the shared carrier, in order not to affect the communication of the cellular communication system on the Uu link, the out-coverage UE must maintain the same frame structure as the in-coverage UE to implement V2X communication with the in-coverage UE.

First, it should be noted that, in the embodiment of the present application, a base station may be a device capable of communicating with a user terminal. The base station may be any device having a wireless transceiving function. Including but not limited to: a base station NodeB, an evolved node b, a base station in a 5G communication system, a base station in a future communication system, an access node in a WiFi system, a wireless relay node, a wireless backhaul node, etc. The base station may also be a wireless controller in a Cloud Radio Access Network (CRAN) scenario; the base station may also be a small station, a transmission node (TRP), and the like, and the embodiment of the present application is not limited thereto.

In the embodiment of the application, the user terminal is a device with a wireless transceiving function, and can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The user terminal may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal, an Augmented Reality (AR) terminal, a wireless terminal in industrial control (industrial control), a wireless terminal in unmanned driving (self driving), a wireless terminal in remote medical treatment (remote medical), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and the like. The embodiments of the present application do not limit the application scenarios. A user terminal may also be referred to as a terminal, access terminal, UE unit, UE station, mobile station, remote terminal, mobile device, UE terminal, wireless communication device, UE agent, or UE device, among others. The embodiments of the present application are not limited.

In Long Term Evolution (LTE) V2X, time division duplex uplink (TDD UL-DL) configuration information is included in a Physical side link Broadcast Channel (PSBCH) and is used to indicate an uplink and downlink frame structure of the TDD system configured on a shared carrier, where 7 types of TDD UL-DL configuration information are supported in the LTE system in total, and a configuration value in coverage can be indicated by the PSBCH through 3 bits.

In the NR system, the frame structure Configuration includes a semi-static Cell-specific frame structure Configuration (tdd-UL-DL-Configuration Common), a semi-static UE-specific frame structure Configuration (tdd-UL-DL-Configuration defined), and a dynamic Group-commom frame structure Configuration (DCI format 2_ 0). In NR V2X, only semi-static Cell-specific frame structure configuration information, i.e., the content of tdd-UL-DL-configuration common, is indicated in PSBCH. the tdd-UL-DL-configuration common configuration supports a single DL-UL pattern configuration (pattern1) and a dual DL-UL pattern configuration (pattern1 and pattern2), and one, two or three of DL slots, un-null slots and UL slots may be included in the configured DL-UL patterns, if more than one slots are included, the configuration is strictly configured according to the order of DL, un-null and UL, the first slot of the un-null slot may include DL symbols, and the last slot may include UL symbols, as shown in fig. 2.

In the prior art, in PSBCH, tdd-UL-DL-Configuration Common Configuration information indicating NR includes a single DL-UL pattern Configuration or a dual DL-UL pattern Configuration, a periodicity value (determined according to table 1 and table 2, respectively) corresponding to a single period Configuration or a dual period Configuration, and a UL slot number included in tdd-UL-DL-Configuration Common Configuration and available for edge link resource mapping.

TABLE 1

TABLE 2

When the NR V2X operates in the LTE Uu band, the prior art cannot implement the indication of the TDD UL-DL configuration information in LTE by the S-SSB and/or PSBCH, and needs to enhance the existing scheme.

In an embodiment, an information indication method is provided in the present embodiment, and the method is applied to a first node, as shown in fig. 3, the information indication method provided in the present embodiment mainly includes steps S11 and S12.

And S11, receiving the configuration information.

S12, sending a first channel based on a first radio access technology, RAT, where the first channel carries indication information, the indication information is provided by the configuration information, and the indication information indicates radio frame structure information of a second RAT.

In this embodiment, the first node is any of the above-mentioned in-coverage UEs. The configuration information refers to TDD-UL-DL common configuration information sent by the base station to the UE in the coverage.

Sending the first channel based on the first RAT may be understood as that the in-coverage UE sends the first channel to the out-coverage UE based on the first RAT, so that the out-coverage UE receives the indication information carried in the first channel, and the out-coverage UE determines a TDD frame structure according to the radio frame structure information of the second RAT of the indication information and further according to the TDD frame structure information, thereby achieving that when the in-coverage UE and the out-coverage UE work in an LTE Uu frequency band, the frame structures are consistent, further determining an accurate position of the out-coverage UE on an SL resource pool of the in-coverage UE, and achieving V2X communication between the out-coverage UE and the in-coverage UE.

In one embodiment, the first channel comprises one or more of:

edge link synchronization signal/physical broadcast channel block S-SSB, physical edge link broadcast channel PSBCH.

In one embodiment, the indication information includes one or more of: first indication information and second indication information;

in a case where the first indication information is in the first state, the content indicated by the second indication information is radio frame structure information of a second RAT.

In the embodiment, the first indication information and the second indication information jointly indicate that the NR V2X works in the frequency band shared with the LTE Uu, and the NR V2X is controlled by the LTE Uu. Or, jointly indicating the uplink and downlink configuration information defined by the LTE and/or the special subframe configuration information defined by the LTE by the domain contained in the PSBCH through the first indication information and the second indication information.

In one embodiment, the radio frame structure information includes one or more of: uplink and downlink configuration information, special subframe configuration information, subcarrier spacing SCS, wireless frame structure type, wireless frame structure configuration period, and uplink and downlink switching period in the wireless frame structure.

In one embodiment, the first indication information is carried in a message including one or more of:

the PSBCH indicates bits of single and double periods in bits indicating TDD uplink and downlink common configuration information, the PSBCH indicates bits or bit strings of pattern period values in bits indicating the TDD uplink and downlink common configuration information, the PSBCH indicates bits or bit strings of UL time slot numbers which can be used for side link resource mapping in the bits indicating the TDD uplink and downlink common configuration information, and reserved bits or bit strings in the PSBCH.

In one embodiment, the first indication information is a first state comprising one or more of the following:

bit a indicating single and double periods in bits indicating TDD uplink and downlink common configuration information in PSBCH₀＝0；

Bit string a indicating pattern period value in bits indicating TDD uplink and downlink common configuration information in PSBCH₁a₂a₃a₄1001,1010,1011,1100,1101,1111;

bit string a for indicating UL time slot number capable of being used for edge link resource mapping in bits for indicating TDD uplink and downlink common configuration information in PSBCH₅a₆a₇a₈a₉a₁₀a₁₁Indicating one value of 0-127;

1 bit in reserved bits in the PSBCH indicates that the content is 1;

the 2 bits of the reserved bits in the PSBCH indicate that the content is 01 or 10 or 11.

In one embodiment, in a case that the first indication information is the first state, the content indicated by the second indication information is radio frame structure information of LTE, and the radio frame structure information of LTE includes at least one of: frequency division duplex FDD frame structure, TDD uplink and downlink configuration information, special subframe configuration information.

In one embodiment, the second indication information includes: the uplink configuration information of the first RAT is used for indicating the TDD uplink configuration information of the second RAT, and the special subframe configuration information of the second RAT is used for indicating the second frame structure indication information.

In an embodiment, the first frame structure indication information is carried in a bit or a bit string indicating the number of UL timeslots available for edge link resource mapping in bits indicating TDD uplink and downlink common configuration information in a PSBCH, or carried in a bit or a bit string indicating a pattern period value in bits indicating TDD uplink and downlink common configuration information in a PSBCH.

In one embodiment, the second frame structure indication information is carried in TDD uplink and downlink common configuration information to indicate a bit or a bit string of the number of UL timeslots available for mapping of edge-linked resources.

In one embodiment, the method for indicating the first frame structure indication information includes:

the PSBCH indicates TDD uplink and downlink configuration information, wherein part or all bits in a bit string indicating the number of UL time slots which can be used for edge link resource mapping indicate TDD uplink and downlink configuration information of a second RAT; or the like, or, alternatively,

bit string a indicating pattern period value in bits indicating TDD uplink and downlink common configuration information in PSBCH₁a₂a₃a₄And indicating TDD uplink and downlink configuration information of the second RAT.

In one embodiment, the method for indicating the second frame structure indication information includes: and a part or all of bits in a bit string indicating the number of UL time slots available for edge link resource mapping in the bits indicating the TDD uplink and downlink common configuration information in the PSBCH indicate the special subframe configuration information of the second RAT.

In one example, with the indication tdd-UL-1-bit a of single-double period configuration in DL-configuration common₀And 4 bits a indicating a DL-UL pattern configuration period value₁a₂a₃a₄The joint indicator NR V2X operates in the LTE Uu frequency band, and is controlled by the LTE Uu, or a domain included in the PSBCH indicates LTE-defined configuration information, such as uplink and downlink configuration information and/or special subframe configuration information.

The concrete implementation mode comprises the following steps of a₀0 and bit string a₁a₂a₃a₄1001. Namely a₀When 0, the indication bit string a₁a₂a₃a₄Configuration information defined by LTE is indicated by 1001.

In PSBCH, special subframe configuration information of LTE Uu is indicated by 4 bits. For example, with 4 bits of 7 bits indicating the number of UL slots available for edge link resource mapping contained in the tdd-UL-DL-configuration common configuration. For example, a8a9a10a11 indicates the value of the special subframe configuration in the LTE Uu, which ranges from 0 to 10.

In one example, the radio frame structure information includes frequency division duplex, FDD, frame structure information.

In one example, the method of indicating the radio frame structure information of the second RAT includes at least one of:

12-bit string a indicating TDD uplink and downlink common configuration information in PSBCH₀a₁a₂a₃a₄a₅a₆a₇a₈a₉a₁₀a₁₁All are 0 or all are 1;

bit string a for indicating UL time slot number capable of being used for edge link resource mapping in bits for indicating TDD uplink and downlink common configuration information in PSBCH₅a₆a₇a₈a₉a₁₀a₁₁All are 0 or all are 1;

bit a indicating single and double periods in bits indicating TDD uplink and downlink common configuration information in PSBCH₀0, bit string a indicating pattern period value in bits indicating TDD uplink and downlink common configuration information in PSBCH₁a₂a₃a₄1001,1010,1011,1100,1101,1111;

all subframe subframes or slot slots of the TDD uplink and downlink common configuration period indicated by the PSBCH are uplink UL subframes or UL slots;

the PSBCH indicates that no uplink UL subframe or UL slot exists in the TDD uplink and downlink common configuration period;

1 bit in reserved bits in the PSBCH is indicated as 1;

two bits of reserved bits in the PSBCH are indicated as 01 or 10 or 11.

In one embodiment, an information indication method is provided in an embodiment of the present application, and the method is applied to a second node. As shown in fig. 4, the information indication method provided by the present embodiment mainly includes steps S21 and S22.

S21, receiving a first channel based on a first RAT, wherein the first channel carries indication information, and the indication information indicates radio frame structure information of a second RAT;

and S22, determining the radio frame structure of the second RAT based on the radio frame structure information of the second RAT.

In one embodiment, the first channel comprises one or more of:

1 bit in reserved bits in the PSBCH indicates that the content is 1;

12-bit string a indicating TDD uplink and downlink common configuration information in PSBCH₀a₁a₂a₃a₄a₅a₆a₇a₈a₉a₁₀a₁₁All are 0 orAll are 1;

1 bit in reserved bits in the PSBCH is indicated as 1;

two bits of reserved bits in the PSBCH are indicated as 01 or 10 or 11.

In one embodiment, in the case where a0 is 0, 4 bits (a) are passed₁a₂a₃a₄) Of a value, e.g. bit string a₁a₂a₃a₄For 1001, it indicates that the content indicated by the current domain is TDD pattern information defined by LTE, or indicates that the current operating frequency band is an LTE Uu frequency band, that is, NR V2X operates in an LTE licensed frequency band.

By 3bits (e.g. a)₅,a₆,a₇) Indicating uplink-downlink configuration (uplink-downlink configuration s) information of LTE, as shown in Table 3, by bit string a₅a₆a₇Indicating values (0-6) allocated in the upper and lower rows in the table.

TABLE 3

The following processing is included in addition to the above embodiments.

By 4 bits (e.g. a)₈,a₉,a₁₀,a₁₁) Special subframe Configuration (Configuration of specific subframe) information indicating LTE, as shown in table 4, by bit string a₈ a₉ a₁₀ a₁₁The values (0-10) of specific subframe configuration in the table are indicated.

TABLE 4

In an embodiment, in the PSBCH, the NR V2X is jointly indicated by the first indication and the second indication to operate in a frequency band shared by the LTE Uu, and the NR V2X is controlled by the LTE Uu, or the Uplink-downlink configuration information of the LTE and/or the Special subframe configuration information of the LTE are jointly indicated by the first indication and the second indication in the PSBCH in a domain included in the PSBCH.

For example, 1-bit a indicating single-double period configuration in tdd-UL-DL-configuration common₀And 4 bits a indicating a DL-UL pattern configuration period value₁a₂a₃a₄The joint indication NR V2X operates in the LTE Uu frequency band, and is controlled by the LTE Uu, or a domain included in the PSBCH indicates configuration information of the LTE, such as Uplink-downlink configuration information and/or Special subframe configuration information.

The specific implementation mode comprises that a bit is₀Is 0, bit string a₁a₂a₃a₄Is any one of 1001,1010,1011,1100,1101,1111. For example, a₀0 and a₁a₂a₃a₄＝1001.

One embodiment, in PSBCH, by 3-bit fingerUplink-downlink configuration (Uplink-downlink configuration) information of LTE is shown. For example, with 3bits of 7 bits in PSBCH indicating the number of UL slots available for sidelink resource mapping contained in tdd-UL-DL-configuration common configuration. For example, with a₅a₆a₇A value indicating Uplink-downlink configuration in LTE, which is in the range of 0 to 6.

One embodiment, bit string a₅a₆a₇A bit string a of 000 indicates a configuration with an Uplink-downlink configuration index of 0 in LTE, i.e., configuration information with an Uplink-downlink configuration value of 0 in table 3₅ a₆ a₇Indicating the configuration with an Uplink-downlink configuration index of 1 in LTE to 001, i.e., the configuration information with an Uplink-downlink configuration value of 1 in table 3, and so on, the bit string a₅ a₆ a₇A configuration with an Uplink-downlink configuration index of 6 in LTE, i.e., configuration information with an Uplink-downlink configuration value of 6 in table 3, is indicated by 110.

In one embodiment, in PSBCH, special subframe configuration information of LTE is indicated by 4 bits. For example, with 4 bits of 7 bits in PSBCH indicating the number of UL slots available for sidelink resource mapping contained in tdd-UL-DL-configuration common configuration. For example, with a₈a₉a₁₀a₁₁A value indicating Special subframe configuration in LTE, which is in the range of 0 to 10.

One embodiment, bit string a₈ a₉ a₁₀ a₁₁0000 indicates the configuration of the specific subframe configuration index of 0 in LTE, i.e. the configuration information of the specific subframe configuration value of 0 in Table 4, and a bit string a₈ a₉ a₁₀ a₁₁0001 indicates the configuration of the specific subframe configuration index of 1 in LTE, i.e. the configuration information of the specific subframe configuration value of 1 in Table 4, and so on, and the bit string a₈ a₉a₁₀ a₁₁1010 indicates a configuration of the LTE with a Special subframe configuration index of 10, i.e., Table 4 shows that the value of Special subframe configuration is10, configuration information.

In one embodiment, in PSBCH, TDD frame structure information of LTE is indicated by the first indication information in combination with the second indication information, and the TDD frame structure information includes one or more of: TDD uplink and downlink configuration information, special subframe configuration information, subcarrier spacing SCS, wireless frame structure type, wireless frame structure configuration period, and uplink and downlink switching period in the wireless frame structure.

For example, the first indication information is 1 bit a in PSBCH for indicating single and double periodic configuration in tdd-UL-DL-configuration common₀Content of indications, e.g. a₀The indicated value of (a) is 0.

The second indication information includes: the first frame structure indication information and/or the second frame structure indication information,

for example, the first frame structure indicator information is carried in the PSBCH indicating 4 bits a of the DL-UL pattern configuration period value₁ a₂a₃ a₄，a₁ a₂ a₃ a₄The value of (2) indicates uplink and downlink configuration information of LTE.

For example, bit string a₁ a₂ a₃ a₄1001 indicates configuration information with an Uplink-downlink configuration index of 0 in LTE, that is, configuration information with an Uplink-downlink configuration value of 0 in table 3; bit string a₁ a₂ a₃a₄1010 indicates the configuration information with the Uplink-downlink configuration index of 1 in LTE, that is, the configuration information with the Uplink-downlink configuration value of 1 in table 3; by analogy, the bit string a₁a₂a₃a₄1111 indicates the configuration information with the Uplink-downlink configuration index of 6 in LTE, that is, the configuration information with the Uplink-downlink configuration value of 6 in table 3.

For example, the second frame structure indication information is carried in 7 bits or a part of 7 bits (for example, 4 bits) indicating the number of UL slots available for side link resource mapping included in tdd-UL-DL-configuration common configuration in PSBCH, and indicates Special subframe configuration information defined in LTE. Ratio ofE.g. using bit string a₅ a₆ a₇a₈Indicating the configuration with a Special subframe configuration index of 0 in the LTE to 0000, that is, configuring information with a Special subframe configuration value of 0 in table 4; bit string a₅ a₆ a₇a₈Indicating configuration with a Special subframe configuration index of 1 in LTE for 0001, that is, configuring information with a Special subframe configuration value of 1 in table 4; by analogy, bit string a₅ a₆ a₇a₈The configuration with the Special subframe configuration index of 10 in LTE is indicated as 1010, i.e. the configuration information with the Special subframe configuration value of 10 in table 4.

In one embodiment, in PSBCH, LTE-defined uplink and downlink configuration information is indicated with 7 bits indicating the number of UL slots available for side link resource mapping contained in tdd-UL-DL-configuration common configuration. In particular, with bit string a₅ a₆ a₇ a₈ a₉ a₁₀ a₁₁Indicate the values in table 3 for the columns 2,3,4,6,7,8,9, respectively, with bit 0 or 1 for one of D, S and U. For example, a₅ a₆ a₇ a₈ a₉ a₁₀ a₁₁1100110, the configuration information in table 3, in which the Uplink-downlink configuration value is 1, is indicated, where the convention is that bit 1 represents U, and 0 represents D or S.

In another implementation example, the values corresponding to columns 0,1,4, and 5 in the Subframe number values in table 3 are the same for different Uplink-downlink configuration values, and may be determined in a fixed value manner.

In one embodiment, in PSBCH, Uplink-downlink configuration information of LTE is indicated. For example, the Subframe number information in table 3 is indicated according to the indication mode of bi-periodicity in the existing PSBCH indication mechanism.

For example, the configuration information with the Uplink-downlink configuration value of 3 in table 3 is indicated in a bi-periodic manner, the bi-periods p1 and p2 are both 5ms, and the PSBCH is used to indicate tdd-UL-DL-configurationBit a configured in one or two cycles in ationCommon₀Is 1, and is used to indicate the bit string a of the DL-UL pattern configuration period value₁a₂a₃a₄Is 1110; the uplink and downlink configurations of the pattern1 and pattern2 corresponding to the double periods are DSUUU and DDDDD respectively, and the bit string a indicating the UL slot number which can be used for sidelink resource mapping and is contained in the tdd-UL-DL-configuration common configuration is adopted in the PSBCH₅a₆a₇a₈a₉a₁₀a₁₁Indicating, the indicated granularity w is determined according to table 2, assuming SL SCS is 15kHz, w is 1. The number of UL time slots to be indicated can be determined to be 3 according to formula calculation, namely bit string a₅a₆a₇a₈a₉a₁₀a₁₁The indicated value of (2) is 3.

In one embodiment, in the PSBCH, the indication field indicates the subcarrier spacing SCS used for wireless communication, and/or the radio frame structure type, and/or the radio frame structure configuration period or the uplink/downlink handover period in the radio frame structure, and/or the radio frame structure configuration, and/or the special subframe or timeslot configuration. For example, by indicating bit a of single and double period configuration in tdd-UL-DL-configuration common₀And 4 bits a indicating a DL-UL pattern configuration period value₁a₂a₃a₄To indicate the above.

E.g. bit a₀Is indicated by a value of 0, bit string a₁a₂a₃a₄1100 indicates that the SCS of the wireless communication system of the LTE system is 15kHz, the radio frame configuration period is 10ms, and/or the frame uplink/downlink switching period is 10ms or 5 ms. And/or radio frame structure configuration information of at least one of: and the frame structure type 2 configuration of the LTE comprises 7 configurations, the frame structure type 1 configuration of the LTE and the frame structure type 3 configuration of the LTE. For example, the configuration information with a value of 3 for Uplink-downlink configuration in the frame structure type 2 of LTE.

In one embodiment, in the PSBCH, the indication information of 1 bit in the reserved bits indicates that the PSBCH indication field contains an indication of the LTE frame structure configuration information. For example, the PSBCH is used for indicating TDD uplink and downlink configurationBit string a for setting information₀～a₁₁Including an indication of LTE frame structure configuration information.

As an example, a bit value of 1 in the reserved bits in the PSBCH indicates that the current PSBCH includes an indication of the LTE frame configuration information. For example, bit string a₁ a₂ a₃Uplink-downlink configuration information indicating LTE, e.g., a₁ a₂ a₃000 indicates the configuration information with an Uplink-downlink configuration index of 0 in LTE, i.e., the configuration information with an Uplink-downlink configuration value of 0 in table 3. Also for example, bit string a₅a₆a₇a₈Special subframe configuration information of LTE, e.g., a₅a₆a₇a₈0001 indicates the configuration of the specific subframe configuration index of 1 in LTE, i.e., the configuration information of the specific subframe configuration value of 1 in table 4.

In one embodiment, PSBCH, 12 bits a indicating tdd-UL-DL-configuration Common configuration is utilized₀～a₁₁Indicates a frequency division duplex, FDD, frame structure.

For example, 12 bits a in PSBCH indicating tdd-UL-DL-configuration Common configuration₀～a₁₁All 0 or all 1, or 7 bits a thereof₅～a₁₁All 0 or all 1, indicating that the radio frame structure of NR or LTE is of FDD type.

For example, bit a in PSBCH to indicate one-and-two-cycle configuration in tdd-UL-DL-configuration Common configuration₀Is 0, indicating a 4-bit a of a DL-UL pattern configuration period value in tdd-UL-DL-configuration Common configuration₁a₂a₃a₄1001,1010,1011,1100,1101,1111, the radio frame structure of NR or LTE is of FDD type.

For example, 7 bits a in PSBCH to indicate the number of UL slots available for sidelink resource mapping contained in tdd-UL-DL-configuration Common configuration₅a₆a₇a₈a₉a₁₀a₁₁Are both 1 or both 0The radio frame structure indicating NR or LTE is of FDD type.

For example, bit a in PSBCH to indicate one-and-two-cycle configuration in tdd-UL-DL-configuration Common configuration₀Has an indication value of 0, and is used for indicating 7 bits a of UL slot numbers which are contained in tdd-UL-DL-configuration common configuration and can be used for sidelink resource mapping₅a₆a₇a₈a₉a₁₀a₁₁Are both 0 indicating that the radio frame structure for NR or LTE is of FDD type.

For example, the periods of tdd-UL-DL-configuration common configuration indicated in PSBCH are both UL subframe or UL slot; or, there is no UL subframe or UL slot within the period of tdd-UL-DL-configuration common configuration indicated in PSBCH.

In one embodiment, the frequency division duplex, FDD, frame structure is indicated using reserved bits in the PSBCH.

For example, with a value of 1 bit of the reserved bits in PSBCH being 1 or 0, it means that the radio frame structure of NR or LTE is of FDD type. For example, the radio frame structure of NR or LTE is of FDD type, using any one of values 00,01,10, and 11 of two bits of reserved bits in PSBCH.

In an embodiment, an information indicating apparatus is provided in an embodiment of the present application, and as shown in fig. 5, the information indicating apparatus provided in this embodiment mainly includes a first receiving module 31 and a first sending module 32.

A first receiving module 31 configured to receive configuration information;

a first sending module 32 configured to send a first channel based on a first radio access technology, RAT, wherein the first channel carries indication information, the indication information is provided by the configuration information, and the indication information indicates radio frame structure information of a second RAT.

In one embodiment, the first channel comprises one or more of:

1 bit in reserved bits in the PSBCH indicates that the content is 1;

1 bit in reserved bits in the PSBCH is indicated as 1;

two bits of reserved bits in the PSBCH are indicated as 01 or 10 or 11.

In an embodiment, an information indicating apparatus is provided in an embodiment of the present application, and as shown in fig. 6, the information indicating apparatus provided in this embodiment mainly includes a second receiving module 41 and a frame structure determining module 42.

A second receiving module 41, configured to receive a first channel based on a first RAT, where the first channel carries indication information indicating radio frame structure information of a second RAT;

a frame structure determining module 42 configured to determine a radio frame structure of the second RAT based on the radio frame structure information of the second RAT.

In one embodiment, the first channel comprises one or more of:

1 bit in reserved bits in the PSBCH indicates that the content is 1;

12-bit string a indicating TDD uplink and downlink common configuration information in PSBCH₀a₁a₂a₃a₄a₅a₆a₇a₈a₉a₁₀a₁₁All are 0 or all are 1; bit string a for indicating UL time slot number capable of being used for edge link resource mapping in bits for indicating TDD uplink and downlink common configuration information in PSBCH₅a₆a₇a₈a₉a₁₀a₁₁All are 0 or all are 1;

1 bit in reserved bits in the PSBCH is indicated as 1;

two bits of reserved bits in the PSBCH are indicated as 01 or 10 or 11.

The information indicating device provided in the embodiment can execute the information indicating method provided in any embodiment of the invention, and has corresponding functional modules and beneficial effects for executing the method. For technical details that are not described in detail in this embodiment, reference may be made to the information indication method provided in any embodiment of the present invention.

It should be noted that, in the embodiment of the information indicating apparatus, the included units and modules are merely divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only used for distinguishing one functional unit from another, and are not used for limiting the protection scope of the application.

Fig. 7 is a schematic structural diagram of an apparatus provided in the embodiment of the present application, and as shown in fig. 7, the apparatus includes a processor 71, a memory 72, an input device 73, an output device 74, and a communication device 75; the number of the processors 71 in the device may be one or more, and one processor 71 is taken as an example in fig. 7; the processor 71, the memory 72, the input device 73 and the output device 74 of the apparatus may be connected by a bus or other means, as exemplified by the bus connection in fig. 7.

The memory 72 is one type of computer-readable storage medium that can be used to store software programs, computer-executable programs, and modules. The processor 71 executes various functional applications of the device and data processing by executing software programs, instructions and modules stored in the memory 72, namely, implements any method provided by the embodiments of the present application.

The memory 72 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of the device, and the like. Further, the memory 72 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 72 may further include memory located remotely from the processor 71, which may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

The input device 73 may be used to receive input numeric or character information and generate key signal inputs relating to user settings and function control of the apparatus. The output device 74 may include a display device such as a display screen.

The communication device 75 may include a receiver and a transmitter. The communication device 75 is configured to perform information transceiving communication according to control of the processor 71.

In an exemplary embodiment, the present application further provides a storage medium containing computer-executable instructions, which when executed by a computer processor, perform an information indication method, the method being applied to a first node, including:

receiving configuration information;

Of course, the storage medium provided in the embodiments of the present application contains computer-executable instructions, and the computer-executable instructions are not limited to the method operations described above, and may also perform related operations in the information indication method provided in any embodiments of the present application.

In an exemplary embodiment, the present application further provides a storage medium containing computer-executable instructions, which when executed by a computer processor, perform an information indication method, the method being applied to a second node, including:

From the above description of the embodiments, it is obvious for those skilled in the art that the present application can be implemented by software and necessary general hardware, and certainly can be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods described in the embodiments of the present application.

The above description is only exemplary embodiments of the present application, and is not intended to limit the scope of the present application.

It will be clear to a person skilled in the art that the term user terminal covers any suitable type of wireless user equipment, such as a mobile phone, a portable data processing device, a portable web browser or a car mounted mobile station.

In general, the various embodiments of the application may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. For example, some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device, although the application is not limited thereto.

Embodiments of the application may be implemented by a data processor of a mobile device executing computer program instructions, for example in a processor entity, or by hardware, or by a combination of software and hardware. The computer program instructions may be assembly instructions, Instruction Set Architecture (ISA) instructions, machine related instructions, microcode, firmware instructions, state setting data, or source code or object code written in any combination of one or more programming languages.

Any logic flow block diagrams in the figures of this application may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions. The computer program may be stored on a memory. The memory may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology, such as, but not limited to, Read Only Memory (ROM), Random Access Memory (RAM), optical storage devices and systems (digital versatile disks, DVDs, or CD discs), etc. The computer readable medium may include a non-transitory storage medium. The data processor may be of any type suitable to the local technical environment, such as but not limited to general purpose computers, special purpose computers, microprocessors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), programmable logic devices (FGPAs), and processors based on a multi-core processor architecture.

The foregoing has provided by way of exemplary and non-limiting examples a detailed description of exemplary embodiments of the present application. Various modifications and adaptations to the foregoing embodiments may become apparent to those skilled in the relevant arts in view of the following drawings and the appended claims without departing from the scope of the invention. Therefore, the proper scope of the invention is to be determined according to the claims.

Claims

1. An information indication method, applied to a first node, includes:

receiving configuration information;

2. The method of claim 1, wherein the first channel comprises one or more of:

3. The method of claim 1, wherein the indication information comprises one or more of: first indication information and second indication information;

4. The method of claim 1, wherein the radio frame structure information comprises one or more of: uplink and downlink configuration information, special subframe configuration information, subcarrier spacing SCS, wireless frame structure type, wireless frame structure configuration period, and uplink and downlink switching period in the wireless frame structure.

5. The method of claim 3, wherein the first indication information is carried in a carrier comprising one or more of:

6. The method of claim 3, wherein the first indication information is a first status comprising one or more of:

1 bit in reserved bits in the PSBCH indicates that the content is 1;

7. The method of claim 6, wherein in a case that the first indication information is the first status, the content indicated by the second indication information is radio frame structure information of LTE, and the radio frame structure information of LTE comprises at least one of: frequency division duplex FDD frame structure, TDD uplink and downlink configuration information, special subframe configuration information.

8. The method of claim 3, wherein the second indication information comprises: the uplink configuration information of the first RAT is used for indicating the TDD uplink configuration information of the second RAT, and the special subframe configuration information of the second RAT is used for indicating the second frame structure indication information.

9. The method of claim 8, wherein the first frame structure indication information is carried in a bit or a bit string indicating the number of UL timeslots available for edge-linked resource mapping in bits indicating TDD UL-UL common configuration information in PSBCH, or is carried in a bit or a bit string indicating a pattern period value in bits indicating TDD UL-UL common configuration information in PSBCH.

10. The method of claim 8, wherein the second frame structure indication information is carried in TDD UL-UL common configuration information to indicate a bit or a bit string of UL timeslot number available for edge link resource mapping.

11. The method according to claim 8, wherein the indication method of the first frame structure indication information comprises:

12. The method according to claim 8, wherein the indication method of the second frame structure indication information comprises: and a part or all of bits in a bit string indicating the number of UL time slots available for edge link resource mapping in the bits indicating the TDD uplink and downlink common configuration information in the PSBCH indicate the special subframe configuration information of the second RAT.

13. The method of claim 1, wherein the radio frame structure information comprises Frequency Division Duplex (FDD) frame structure information.

14. The method of claim 1, wherein the indication information indicates radio frame structure information of the second RAT comprises at least one of:

1 bit in reserved bits in the PSBCH is indicated as 1;

two bits of reserved bits in the PSBCH are indicated as 01 or 10 or 11.

15. An information indication method, applied to a second node, includes:

16. An information indicating apparatus, the apparatus being configured at a first node, comprising:

a first receiving module configured to receive configuration information;

17. An information indicating apparatus, the apparatus being configured at a second node, comprising:

18. An apparatus, comprising:

one or more processors;

a memory for storing one or more programs;

when executed by the one or more processors, cause the one or more processors to implement the method of any one of claims 1-15.

19. A storage medium, characterized in that the storage medium stores a computer program which, when executed by a processor, implements the method of any one of claims 1-15.