CN113271192B

CN113271192B - Information sending method, receiving method and device

Info

Publication number: CN113271192B
Application number: CN202010095215.1A
Authority: CN
Inventors: 任晓涛; 赵锐
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2023-04-07
Anticipated expiration: 2040-02-14
Also published as: CN113271192A

Abstract

The embodiment of the invention provides an information sending method, an information receiving method and an information sending device, wherein the method comprises the following steps: determining a payload of a first PBCH according to a first SCS used by the first PBCH; a first SSB is sent, the first SSB including a first PBCH. In the embodiment of the invention, the load of the first PBCH is determined according to the first SCS used by the first PBCH, so that the load configuration efficiency of the PBCH is higher, the resource waste is avoided, and the information quantity carried by the PBCH is increased.

Description

Information sending method, receiving method and device

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to an information sending method, an information receiving method and an information sending device.

Background

In a fifth generation New wireless access technology (5 th generation New Radio access,5g NR) intelligent internet automobile technology (V2X) system, a PC5 port (Sidelink) is used for direct communication between terminals. Before the service data transmission, synchronization is established between two terminals which need to communicate at first at a PC5 port (Sidelink). The method for establishing synchronization is that one terminal A sends synchronization and broadcast signals, the other terminal B receives the synchronization and broadcast signals sent by the terminal A, once the terminal B successfully receives and demodulates, the two terminals can establish synchronization, and preparation is made for the next step of direct communication.

The Synchronization Signal of the NR Uu port is carried by a Synchronization Signal Block (SSB). Each Slot (Slot) carries 2 SSBs, and Primary Synchronization Signal (PSS) and Secondary Synchronization Signal (SSS) signals have no time-domain repetition mechanism.

In order to complete Beam measurement and Beam selection, the SSB at the NR Uu port needs to perform Beam scanning (Beam scanning), where the Beam scanning is that the base station transmits the SSB once in each possible Beam direction within a certain time interval (e.g., 5 ms), and then the terminal measures the SSB signal strength of each Beam and reports the measurement result to the base station, and the base station selects the most suitable Beam to transmit data to the terminal according to the measurement result reported by the terminal. The number of directions in which beams need to be scanned is also different according to different carrier frequencies and different subcarrier intervals. The maximum values of the SSB beam scanning candidate directions in different carrier frequency ranges are: 4/8/64, the number of beam scanning directions actually deployed cannot normally exceed this maximum.

In the existing LTE V2X technology, at most 3 synchronization subframes are configured on a direct link (Sidelink) every 160ms, and the UE transmits and receives a Sidelink synchronization signal and broadcast information on the synchronization subframes, and does not perform beam scanning when transmitting and receiving the synchronization signal and broadcast information on the synchronization subframes. With the emergence of 5G NR, the technology of Internet of vehicles is promoted to be further developed so as to meet the requirements of new application scenarios. The 5G NR supports a larger bandwidth, flexible configuration of subcarrier spacing, and transmission of synchronization signals and broadcast information in the form of SSB beam scanning or beam repetition, which brings new challenges to the design of the NR V2X physical layer structure, and the transmission and reception of synchronization signals and broadcast information performed by the UE on the synchronization subframe need to be redesigned, and a flexible configuration of subcarrier spacing and a mechanism of SSB beam scanning or beam repetition need to be introduced to meet the requirements of NR V2X. However, after a flexible SubCarrier Spacing configuration mechanism is introduced into NR V2X, how to design the content of the Physical Sidelink Broadcast Channel (PSBCH) load under different SubCarrier Spacing (SCS) configurations becomes a problem to be solved urgently.

Disclosure of Invention

Embodiments of the present invention provide an information sending method, an information receiving method, and an information sending device, which implement designing PSBCH load content under different SCS configurations, and improve PSBCH load configuration efficiency.

In a first aspect, an embodiment of the present invention provides an information sending method, which is applied to a first terminal or a first base station, and the method includes:

determining a load of a first PBCH according to a first SCS used by the first PBCH;

sending a first SSB, the first SSB comprising the first PBCH.

With reference to the first aspect, in some implementations of the first aspect, determining a payload of the first PBCH according to a first SCS used for the first PBCH includes:

determining a payload content and/or a payload size of the first PBCH according to a first SCS used by the first PBCH.

With reference to the first aspect, in certain implementations of the first aspect, the payload of the first PBCH includes TDD configuration information;

wherein the TDD configuration information occupies different bit numbers in a payload of the first PBCH in case of different SCS configurations.

With reference to the first aspect, in certain implementations of the first aspect, the TDD configuration information includes at least one of:

first period information;

the number information of uplink time slots contained in the first period;

and the number information of uplink symbols contained in the hybrid time slot contained in the first period.

With reference to the first aspect, in certain implementations of the first aspect, the first period information is a period value in an NR slot TDD uplink-downlink configuration.

With reference to the first aspect, in certain implementations of the first aspect, in a case where the first SCS is configured as a 15KHz SCS, the first periodic information occupies 2 bits;

in case that the first SCS is configured as a 30KHz SCS, a 60KHz SCS, or a 120KHz SCS, the first periodic information occupies 3 bits.

With reference to the first aspect, in certain implementations of the first aspect, in a case that the first SCS is configured as a 15KHz SCS, the uplink slot number information occupies 4 bits;

under the condition that the first SCS is configured into a 30KHz SCS, the uplink time slot number information occupies 5 bits;

under the condition that the first SCS is configured into 60KHz SCS, the uplink time slot number information occupies 6 bits;

in case that the first SCS is configured as a 120KHz SCS, the uplink slot number information occupies 7 bits.

With reference to the first aspect, in some implementations of the first aspect, the uplink symbol number information occupies 1,2, 3, or 4 bits.

With reference to the first aspect, in certain implementations of the first aspect, in a case that the first SCS is configured as a 15KHz SCS, the TDD configuration information occupies 8 or 10 bits;

in case the first SCS is configured as a 30KHz SCS, the TDD configuration information occupies 10 or 12 bits;

in case that the first SCS is configured as a 60KHz SCS, the TDD configuration information occupies 11 or 13 bits;

in case that the first SCS is configured as a 120KHz SCS, the TDD configuration information occupies 12 or 14 bits.

With reference to the first aspect, in certain implementations of the first aspect, the load size of the PBCH remains unchanged in case that the first SCS is configured to 15KHz, 30KHz, 60KHz, or 120 KHz.

With reference to the first aspect, in certain implementations of the first aspect, the PBCH is PSBCH and the SSB is S-SSB.

In a second aspect, an embodiment of the present invention provides an information receiving method, which is applied to a second terminal, and the method includes:

determining a payload of a first PBCH according to a first SCS used by the first PBCH;

and receiving a first SSB sent by opposite terminal equipment according to the load of the first PBCH, wherein the first SSB comprises the first PBCH.

With reference to the second aspect, in some implementations of the second aspect, determining a load of the first PBCH according to the first SCS used for the first PBCH includes:

With reference to the second aspect, in certain implementations of the second aspect, the payload of the first PBCH includes TDD configuration information;

With reference to the second aspect, in certain implementations of the second aspect, the TDD configuration information includes at least one of:

first period information;

the number information of uplink time slots contained in the first period;

With reference to the second aspect, in certain implementations of the second aspect, the first period information is a period value in an NR slot TDD uplink-downlink configuration.

With reference to the second aspect, in certain implementations of the second aspect, in a case that the first SCS is configured as a 15KHz SCS, the first periodic information occupies 2 bits;

With reference to the second aspect, in some implementations of the second aspect, in a case that the first SCS is configured as a 15KHz SCS, the uplink slot number information occupies 4 bits;

in the case that the first SCS is configured as a 30KHz SCS, the uplink slot number information occupies 5 bits;

With reference to the second aspect, in some implementations of the second aspect, the uplink symbol number information occupies 1,2, 3, or 4 bits.

With reference to the second aspect, in certain implementations of the second aspect, in case the first SCS is configured as a 15KHz SCS, the TDD configuration information occupies 8 or 10 bits;

In combination with the second aspect, in certain implementations of the second aspect, the payload size of the PBCH remains unchanged in case that the first SCS is configured to 15KHz, 30KHz, 60KHz or 120 KHz.

With reference to the second aspect, in some implementations of the second aspect, the PBCH is PSBCH and the SSB is S-SSB.

In a third aspect, an embodiment of the present invention provides an information transmitting apparatus, which is applied to a first terminal or a first base station, where the information transmitting apparatus includes:

a determining module, configured to determine a payload of a first PBCH according to a first SCS used by the first PBCH;

a sending module, configured to send a first SSB, where the first SSB includes the first PBCH.

With reference to the third aspect, in certain implementations of the third aspect, the determining module is further configured to:

With reference to the third aspect, in certain implementations of the third aspect, the TDD configuration information is included in the payload of the first PBCH;

With reference to the third aspect, in certain implementations of the third aspect, the TDD configuration information includes at least one of:

first period information;

the number information of uplink time slots contained in the first period;

With reference to the third aspect, in certain implementations of the third aspect, the first period information is a period value in an NR slot TDD uplink-downlink configuration.

With reference to the third aspect, in certain implementations of the third aspect, in a case where the first SCS is configured as a 15KHz SCS, the first periodic information occupies 2 bits;

in case that the first SCS is configured as 30KHz SCS, 60KHz SCS, or 120KHz SCS, the first periodic information occupies 3 bits.

With reference to the third aspect, in certain implementations of the third aspect, in a case that the first SCS is configured as a 15KHz SCS, the uplink slot number information occupies 4 bits;

With reference to the third aspect, in some implementation manners of the third aspect, the uplink symbol number information occupies 1,2, 3, or 4 bits.

With reference to the third aspect, in certain implementations of the third aspect, in case the first SCS is configured as a 15KHz SCS, the TDD configuration information occupies 8 or 10 bits;

in case the first SCS is configured as a 60KHz SCS, the TDD configuration information occupies 11 or 13 bits;

With reference to the third aspect, in certain implementations of the third aspect, the payload size of the PBCH remains unchanged in case that the first SCS is configured to 15KHz, 30KHz, 60KHz, or 120 KHz.

With reference to the third aspect, in some implementations of the third aspect, the PBCH is PSBCH and the SSB is S-SSB.

In a fourth aspect, an embodiment of the present invention provides a first device, where the first device is a first base station or a first terminal, and the first device includes: a memory, a processor, a transceiver, and a program stored on the memory and executable on the processor;

the processor implements the following steps when executing the program:

sending a first SSB, the first SSB comprising the first PBCH.

In a fifth aspect, an embodiment of the present invention provides an information receiving apparatus, applied to a second terminal, including:

the determining module is used for determining the load of the first PBCH according to the first SCS used by the first PBCH;

a receiving module, configured to receive a first SSB sent by an opposite end device according to a load of the first PBCH, where the first SSB includes the first PBCH.

With reference to the fifth aspect, in some implementations of the fifth aspect, determining a load of the first PBCH according to the first SCS used for the first PBCH includes:

determining a load content and/or a load size of a first PBCH according to a first SCS used by the first PBCH.

With reference to the fifth aspect, in certain implementations of the fifth aspect, the payload of the first PBCH includes TDD configuration information;

With reference to the fifth aspect, in certain implementations of the fifth aspect, the TDD configuration information includes at least one of:

first period information;

the number information of uplink time slots contained in the first period;

With reference to the fifth aspect, in certain implementations of the fifth aspect, the first period information is a period value in an NR slot TDD uplink-downlink configuration.

With reference to the fifth aspect, in certain implementations of the fifth aspect, in a case where the first SCS is configured as a 15KHz SCS, the first periodic information occupies 2 bits;

With reference to the fifth aspect, in some implementations of the fifth aspect, in a case that the first SCS is configured as a 15KHz SCS, the uplink slot number information occupies 4 bits;

With reference to the fifth aspect, in some implementations of the fifth aspect, the uplink symbol number information occupies 1,2, 3, or 4 bits.

With reference to the fifth aspect, in certain implementations of the fifth aspect, in a case that the first SCS is configured as a 15KHz SCS, the TDD configuration information occupies 8 or 10 bits;

With reference to the fifth aspect, in certain implementations of the fifth aspect, the payload size of the PBCH remains unchanged in case that the first SCS is configured to 15KHz, 30KHz, 60KHz or 120 KHz.

With reference to the fifth aspect, in certain implementations of the fifth aspect, the PBCH is PSBCH and the SSB is S-SSB.

In a sixth aspect, an embodiment of the present invention provides a second terminal, including: a memory, a processor, a transceiver, and a program stored on the memory and executable on the processor;

the processor implements the following steps when executing the program:

In a seventh aspect, an embodiment of the present invention provides a computer storage medium, which includes instructions that, when executed on a computer, cause the computer to perform the method according to the first aspect or the second aspect.

In the embodiment of the invention, the load of the first PBCH is determined according to the first SCS used by the first PBCH, so that the load configuration efficiency of the PBCH is higher, the resource waste is avoided, and the information quantity carried by the PBCH is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic flow chart of an information sending method according to an embodiment of the present invention;

fig. 2 is a schematic flow chart of an information receiving method according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an information sending apparatus according to an embodiment of the present invention;

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

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

fig. 6 is a schematic structural diagram of a second terminal according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. In the description and in the claims "and/or" means at least one of the connected objects.

The technology described herein is not limited to Long Time Evolution (LTE), LTE-Advanced (LTE-a) and 5G NR systems, and may also be used for other various wireless communication systems, such as Code Division Multiple Access (CDMA), time Division Multiple Access (TDMA), frequency Division Multiple Access (FDMA), orthogonal Frequency Division Multiple Access (OFDMA), frequency Division Multiple Access (SC-FDMA), and new communication systems that come in the future. The terms "system" and "network" are often used interchangeably. CDMA systems may implement Radio technologies such as CDMA2000, universal Terrestrial Radio Access (UTRA), and so on. UTRA includes Wideband CDMA (Wideband Code Division Multiple Access, WCDMA) and other CDMA variants. TDMA systems may implement radio technologies such as Global System for Mobile communications (GSM). The OFDMA system may implement radio technologies such as Ultra Mobile Broadband (UMB), evolved-UTRA (E-UTRA), IEEE 802.21 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, flash-OFDM, etc. UTRA and E-UTRA are parts of the Universal Mobile Telecommunications System (UMTS). LTE and higher LTE (e.g., LTE-A) are new UMTS releases that use E-UTRA. UTRA, E-UTRA, UMTS, LTE-A, and GSM are described in documents from an organization named "third Generation Partnership project" (3 rd Generation Partnership project,3 GPP). CDMA2000 and UMB are described in documents from an organization named "third generation partnership project 2" (3 GPP 2). The techniques described herein may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. However, the following description describes the NR system for purposes of example, and NR terminology is used in much of the description below, although the techniques may also be applied to applications other than NR system applications.

The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the spirit and scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described methods may be performed in an order different than described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

In order to better understand the scheme provided by the embodiment of the invention, the following technical contents are explained:

1) The contents included in the LTE V2X PSBCH include:

system timing information: direct frame numbering and direct subframe numbering;

TDD subframe configuration information;

direct link bandwidth information;

coverage indication information;

2) In NR Uu, the content included in PBCH includes:

system timing information: SFN, half radio frame

The frequency domain information specifically includes:

subCarrierSpacingCommon；

ssb-SubcarrierOffset；

dmrs-TypeA-Position；

pdcch-ConfigSIB1；

MSB of the subcarrier offset between SSB and the common resource block grid(FR1)/SSB index(FR2)；

cell-related information: cellBarred, intrafreqReselection.

Some contents in NR PBCH do not appear in V2X PSBCH because they are not applicable to V2X, such as frequency domain information in NR PBCH PDCCH-ConfigSIB1 is used to indicate the time-frequency domain location of initial BWP (initial BWP) and PDCCH listening occasion, which may be omitted in V2X PSBCH for transmitting other information of V2X.

At present, no method for determining the load of the PSBCH under different SCS configurations is given in either the physical through link broadcast channel of LTE V2X or the physical broadcast channel of NR Uu. This results in the same PSBCH payload content under different SCS configurations, which results in waste of PSBCH payload resources.

In order to solve at least one of the above problems, an embodiment of the present invention provides an information sending method, as shown in fig. 1, where the method is applied to a first terminal or a first base station, and includes:

step 101: determining a load of the first PBCH according to the first SCS used by the first PBCH;

in the embodiment of the present invention, the load of the first PBCH is determined according to the specific configuration of the first SCS. In particular, the payload content and/or the payload size of the first PBCH is determined in accordance with the first SCS used by the first PBCH.

In some embodiments, time Division Duplexing (TDD) configuration information is included in the payload of the first PBCH, wherein the TDD configuration information occupies different number of bits in the payload of the first PBCH in case of different SCS configurations.

Specifically, the TDD configuration information may include at least one of the following information in information related to NR Uu TDD uplink-downlink configuration:

a) First period information; here, the first period information reflects a time domain length of a period (referred to as a first period for convenience of description) related to the NR Uu TDD uplink-downlink configuration;

b) The number information of uplink time slots contained in the first period;

c) The number information of uplink symbols contained in the hybrid time slot contained in the first period;

in some embodiments, where the first SCS is configured as a 15KHz SCS, the first periodic information occupies 2 bits; in case that the first SCS is configured to 30KHz SCS, 60KHz SCS, or 120KHz SCS, the first periodic information occupies 3 bits.

In some embodiments, in case that the first SCS is configured as a 15KHz SCS, the uplink slot number information occupies 4 bits; under the condition that the first SCS is configured into a 30KHz SCS, the uplink time slot number information occupies 5 bits; under the condition that the first SCS is configured into a 60KHz SCS, the uplink time slot number information occupies 6 bits; in case that the first SCS is configured as 120KHz SCS, the uplink slot number information occupies 7 bits.

In some embodiments, the uplink symbol number information may occupy 1,2, 3, or 4 bits. Preferably, the uplink symbol number information occupies 2 or 4 bits.

In some embodiments, where the first SCS is configured as a 15KHz SCS, the TDD configuration information occupies 8 or 10 bits; in case that the first SCS is configured to 30KHz SCS, the TDD configuration information occupies 10 or 12 bits; in case that the first SCS is configured as 60KHz SCS, the TDD configuration information occupies 11 or 13 bits; in case that the first SCS is configured as 120KHz SCS, the TDD configuration information occupies 12 or 14 bits.

Further, in the case that the first SCS is configured to have different values of 15KHz, 30KHz, 60KHz, or 120KHz, the number of bits occupied by the TDD configuration information is different, but the payload size of the PBCH remains unchanged.

For the foregoing embodiments, the PBCH may specifically be a Physical downlink Broadcast Channel (PSBCH), and the SSB may specifically be a downlink Synchronization Signal and Broadcast Channel Block (S-SSB).

It should be noted that the payload of the first PBCH may include other information besides TDD configuration information, such as a direct frame number, a synchronization resource indication, an S-SSB index number, an in-coverage indication, and reserved bits. In addition to the number of bits occupied by the TDD configuration information being related to the first SCS, the number of bits occupied by the reserved bits is also related to the first SCS.

Step 102: sending the first SSB;

in an embodiment of the present invention, the first SSB includes a first PBCH.

An embodiment of the present invention provides an information receiving method, as shown in fig. 2, where the method is applied to a second terminal, and includes:

step 201: determining a payload of the first PBCH according to a first SCS used by the first PBCH;

In some embodiments, TDD configuration information is included in the payload of the first PBCH, wherein the TDD configuration information occupies different number of bits in the payload of the first PBCH with different SCS configurations.

The TDD configuration information includes at least one of:

first period information;

the number information of the uplink time slots contained in the first period;

the information of the number of uplink symbols contained in the hybrid timeslot contained in the first period;

the first period information, the uplink time slot number information and the uplink symbol number information are all related to the NR Uu TDD uplink-downlink configuration.

In some embodiments, in case that the first SCS is configured as a 15KHz SCS, the uplink slot number information occupies 4 bits; under the condition that the first SCS is configured into a 30KHz SCS, the uplink time slot number information occupies 5 bits; under the condition that the first SCS is configured into a 60KHz SCS, the uplink time slot number information occupies 6 bits; in case that the first SCS is configured to 120KHz SCS, the uplink slot number information occupies 7 bits.

In some embodiments, the uplink symbol number information occupies 1,2, 3, or 4 bits. Preferably, the uplink symbol number information occupies 2 or 4 bits.

In some embodiments, where the first SCS is configured as a 15KHz SCS, the TDD configuration information occupies 8 or 10 bits; in case that the first SCS is configured as a 30KHz SCS, the TDD configuration information occupies 10 or 12 bits; in case that the first SCS is configured as 60KHz SCS, the TDD configuration information occupies 11 or 13 bits; in case that the first SCS is configured as 120KHz SCS, the TDD configuration information occupies 12 or 14 bits.

For each of the above embodiments, the PBCH may be PSBCH specifically, and the SSB may be S-SSB specifically.

It should be noted that the payload of the first PBCH includes, in addition to the TDD configuration information, other information, such as a direct frame number, a synchronization resource indication, an S-SSB index number, an in-coverage indication, and reserved bits. In addition to the number of bits occupied by the TDD configuration information being related to the first SCS, the number of bits occupied by the reserved bits is also related to the first SCS.

Step 202: receiving a first SSB sent by opposite terminal equipment according to the load of the first PBCH;

in this embodiment of the present invention, the peer device refers to a first terminal or a first base station communicating with a second terminal, and the first SSB includes the first PBCH.

The method of the embodiment of the present invention will be described with reference to specific application examples.

The first embodiment is as follows:

the embodiment of the invention provides a method for sending information, which is applied to a terminal and comprises the following steps:

and determining the load of the first PBCH according to the first SCS used by the first PBCH, wherein the first SSB comprises the first PBCH, and sending the first SSB.

And the determining of the load of the first PBCH according to the first SCS used by the first PBCH comprises determining the load content of the first PBCH and/or determining the load size of the first PBCH. The payload of the first PBCH includes first TDD configuration information, and under the condition of different first SCS configurations, the first TDD configuration information occupies different bit numbers in the payload of the first PBCH; at least one of first period information, first uplink timeslot number information, and first uplink symbol number information related to NR Uu TDD uplink-downlink configuration in the first TDD configuration information, where different bit numbers are occupied in a load of a first PBCH under different first SCS configurations;

as described above, the payload of the first PBCH includes other information, such as direct frame number, synchronization resource indication, S-SSB index number, in-coverage indication, reserved bits, and the like, in addition to the first TDD configuration information. In addition to the number of bits occupied by the first TDD configuration information being related to the first SCS, the number of bits occupied by the reserved bits is also related to the first SCS.

By adopting the sending mode of the physical broadcast channel, the terminal can determine the period value of TDD configuration and the bit number occupied by the number of uplink time slots according to the specific configuration of SCS, thereby ensuring that the load configuration efficiency of PSBCH is higher, avoiding resource waste and increasing the information amount carried by the PSBCH.

Example two:

first periodic information related to NR Uu TDD uplink-downlink configuration in the first TDD configuration information occupies different bit numbers in a load of a first PBCH under different first SCS configurations; the bit number occupied by the first period information is as follows:

in case the first SCS is configured as 15KHz SCS, 2 bits are occupied;

in case that the first SCS is configured to 30KHz SCS, 60KHz SCS, and 120KHz SCS, 3 bits are occupied.

For NR Uu, a TDD UL-DL configuration pattern information includes 5 configuration contents, which are a period value, a number of downlink slots included in a period, a number of downlink symbols included in a hybrid slot, a number of uplink slots included in a period, and a number of uplink symbols included in a hybrid slot.

For the PSBCH, since the direct link communication occurs in the uplink, only 3 configuration contents need to be carried in the PSBCH payload, including the first period information, the number of uplink slots included in one period, and the number of uplink symbols included in the hybrid slot. The number of candidate period values is also different for different SCS, as shown in table 1, so the number of bits occupied by the period values is also different for different SCS, for example, for 15KHz SCS, the available period values are 1,2,5, 10slots total 4 possibilities, so 2 bits are occupied. In table 1, the 1 st column indicates the period length of the cycle in ms, and the 2 nd to 5th columns indicate the number of slots included in different cycles in the case of different SCS, and the unit is the slot.

Table 1: candidate configurable periodic value table under different SCS conditions

By adopting the sending mode of the physical broadcast channel, the terminal can determine the period value of TDD configuration and the bit number occupied by the number of the uplink time slots according to the specific configuration of SCS, thereby ensuring that the load configuration efficiency of PSBCH is higher, avoiding the waste of resources and increasing the information quantity carried by the PSBCH.

Example three:

the first uplink timeslot number information related to NR Uu TDD uplink-downlink configuration in the first TDD configuration information occupies different bit numbers in a load of a first PBCH under different first SCS configurations; the bit number occupied by the first uplink timeslot number information is as follows:

in case the first SCS is configured as 15KHz SCS, 4 bits are occupied;

in case the first SCS is configured as 30KHz SCS, 5 bits are occupied;

in case the first SCS is configured as 60KHz SCS, 6 bits are occupied;

in case the first SCS is configured as 120KHz SCS, 7 bits are occupied;

specific calculation methods are shown in Table 2, for exampleWhen the SCS is configured to 60KHz, and the number of slots included in one cycle is 40 slots when the cycle value is configured to 10ms, 6 bits (2 bits) are required ⁶ = 64) to represent any of the possibilities in 40 time slots.

SCS	Value of period	The period refers to the number of time slots corresponding to	Number of bits occupied by uplink time slot
				15KHz	10ms	10slots	4bits
30KHz	10ms	20slots	5bits
				60KHz	10ms	40slots	6bits
120KH	10ms	80slots	7bits

Table 2: bit number table occupied by uplink time slot

Example four:

the first TDD configuration information, in case that the first SCS is configured as 15KHz SCS, occupies 8 or 10 bits; in case the first SCS is configured as 30KHz SCS, 10 or 12 bits are occupied; in case the first SCS is configured as 60KHz SCS, 11 or 13 bits are occupied; in case the first SCS is configured as 120KHz SCS, 12 or 14 bits are occupied; when the first SCS configures different values, the number of bits occupied by the first TDD configuration information is also different, but the payload size of the first PBCH remains unchanged.

As shown in table 3, in order to reduce the number of bits occupied by the uplink symbols, the candidate value of the number of uplink symbols may be configured to {7,9, 11, 13} symbols, and there are 4 possibilities, so that the number of uplink symbols occupies 2 bits, and in this case, the bit number table occupied by the TDD configuration information is {8, 10, 11, 12} bits respectively under different SCS.

As shown in table 4, normally, the candidate value of the number of uplink symbols can be configured as {0,1,2, \8230;, 10, 12, 13} symbols, with 14 possibilities, so the number of uplink symbols occupies 4 bits, and at this time, the bit number table occupied by the TDD configuration information is {10, 12, 13, 14} bits respectively under different SCS.

Table 3: bit number occupied by TDD configuration information (2 bit occupied by uplink symbol number)

Table 4: bit number occupied by TDD configuration information (4 bit occupied by uplink symbol number)

Example five:

in embodiment 5, there is provided a method for sending information, which is applied to a terminal or a base station, and specifically includes:

and determining the load of the first PBCH according to the first SCS used by the first PBCH, wherein the first SSB comprises the first PBCH, and sending the first SSB. The physical through link broadcast channel needs to transmit other information in addition to the TDD configuration information, and when the information on the number of uplink symbols included in the hybrid timeslot occupies 2 bits, as shown in tables 5 to 8, it indicates that the PSBCH payload at least needs to include in the 15KHz SCS, the 30KHz SCS, the 60KHz SCS, and the 120KHz SCS, respectively. It should be noted that, besides the contents in the following table, the physical through link broadcast channel payload may also contain other information.

Table 5: bit indication table occupied by PSBCH load (2 bit occupied by uplink symbol number, 15KHz SCS)

Table 6: bit indication table occupied by PSBCH load (2 bit occupied by uplink symbol number, 30KHz SCS)

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Table 7: bit indication table occupied by PSBCH load (uplink symbol number occupies 2 bits, 60KHz SCS)

Table 8: bit indication table occupied by PSBCH load (uplink symbol number occupies 2 bits, 120KHz SCS)

It should be noted that tables 5 to 8 above reflect an example in which the PSBCH payload size is constant, and the PSBCH payload size is 32 bits each.

By adopting the sending mode of the physical broadcast channel, the terminal can determine the period value of TDD configuration and the bit number occupied by the number of the uplink time slots according to the specific configuration of SCS, thereby ensuring that the load configuration efficiency of PSBCH is higher, avoiding the waste of resources and increasing the information quantity carried by the PSBCH. And the uplink symbols only occupy 2 bits, and more bit numbers can be reserved for the reserved bits.

Example six:

the embodiment provides a method for sending information, which is applied to a terminal or a base station, and specifically includes:

and determining the load of the first PBCH according to a first SCS used by the first PBCH, wherein the first SSB comprises the first PBCH, and sending the first SSB. The physical through link broadcast channel needs to transmit other information in addition to the TDD configuration information, and when the information on the number of uplink symbols included in the hybrid timeslot occupies 4 bits, as shown in tables 9 to 12, it indicates that the PSBCH payload at least needs to include in the 15KHz SCS, the 30KHz SCS, the 60KHz SCS, and the 120KHz SCS, respectively. It should be noted that, besides the contents in the following table, the physical through link broadcast channel payload may also contain other information.

Table 9: bit indication table occupied by PSBCH load (2 bit occupied by uplink symbol number, 15KHz SCS)

Table 10: bit indication table occupied by PSBCH load (2 bit occupied by uplink symbol number, 30KHz SCS)

Table 11: bit indication table occupied by PSBCH load (uplink symbol number occupies 2 bits, 60KHz SCS)

Table 12: bit meaning table occupied by PSBCH load (uplink symbol number occupies 2 bits, 120KHz SCS)

By adopting the sending mode of the physical broadcast channel, the terminal can determine the period value of TDD configuration and the bit number occupied by the number of the uplink time slots according to the specific configuration of SCS, thereby ensuring that the load configuration efficiency of PSBCH is higher, avoiding the waste of resources and increasing the information quantity carried by the PSBCH. The uplink symbols occupy 4 bits, which can represent all possible uplink symbol number in a time slot, and simultaneously reserve more bit numbers for the reserved bits.

Referring to fig. 3, an information sending apparatus 300 according to an embodiment of the present invention is applied to a first terminal or a first base station, where the information sending apparatus 300 includes:

a determining module 301, configured to determine a payload of a first PBCH according to a first SCS used by the first PBCH;

a sending module 302, configured to send a first SSB, where the first SSB includes the first PBCH.

In some embodiments, the determining module 301 is further configured to:

In some embodiments, the first PBCH includes TDD configuration information in its payload;

In some embodiments, the TDD configuration information includes at least one of:

first period information;

the number information of uplink time slots contained in the first period;

In some embodiments, the first period information is a period value in an NR slot TDD uplink-downlink configuration.

In some embodiments, where the first SCS is configured as a 15KHz SCS, the first periodic information occupies 2 bits;

In some embodiments, in case that the first SCS is configured as a 15KHz SCS, the uplink slot number information occupies 4 bits;

in the case that the first SCS is configured as a 60KHz SCS, the uplink slot number information occupies 6 bits;

In some embodiments, the uplink symbol number information occupies 1,2, 3 or 4 bits.

In some embodiments, in case the first SCS is configured as a 15KHz SCS, the TDD configuration information occupies 8 or 10 bits;

In some embodiments, the load size of the PBCH remains unchanged in case the first SCS is configured to 15KHz, 30KHz, 60KHz or 120 KHz.

In some embodiments, the PBCH is PSBCH and the SSB is S-SSB.

It should be noted that the embodiment of the information sending apparatus is an apparatus corresponding to the above-mentioned embodiment of the method applied to the first terminal or the first base station, and all the implementations in the above-mentioned embodiment of the method are applied to the embodiment of the information sending apparatus, and the same or similar technical effects can be achieved.

Referring to fig. 4, an embodiment of the present invention provides an information receiving apparatus 400, applied to a second terminal, including:

a determining module 401, configured to determine a payload of a first PBCH according to a first SCS used by the first PBCH;

a receiving module 402, configured to receive a first SSB sent by an opposite end device according to a payload of the first PBCH, where the first SSB includes the first PBCH.

In some embodiments, determining the loading of the first PBCH in accordance with a first SCS used for the first PBCH includes:

In some embodiments, TDD configuration information is included in the payload of the first PBCH;

first period information;

the number information of uplink time slots contained in the first period;

and the uplink symbol number information contained in the hybrid time slot contained in the first period.

In some embodiments, the first period information refers to a period value in an NR slot TDD uplink-downlink configuration.

In some embodiments, the uplink symbol number information occupies 1,2, 3, or 4 bits.

In some embodiments, the TDD configuration information occupies 8 or 10 bits in case the first SCS is configured as a 15KHz SCS;

In some embodiments, the PBCH is PSBCH and the SSB is S-SSB.

It should be noted that the embodiment of the information receiving apparatus is an apparatus corresponding to the embodiment of the method applied to the second terminal, and all implementation manners in the embodiment of the method are applicable to the embodiment of the information receiving apparatus, and the same or similar technical effects can also be achieved.

Referring to fig. 5, a schematic structural diagram of a first device according to an embodiment of the present invention, where the first device may be a base station or a terminal, and the first device 500 includes: a processor 501, a transceiver 502, a memory 503, a user interface 504, and a bus interface.

In this embodiment of the present invention, the first device 500 further includes: a program stored 503 in memory and executable on the processor 501.

The processor 501, when executing the program, implements the following steps:

sending a first SSB, the first SSB comprising the first PBCH.

Specifically, the processor 501 executes the program to further implement the following steps:

determining the loading content and/or the loading size of the first PBCH according to the first SCS used by the first PBCH;

in some embodiments, the first PBCH includes time division duplex, TDD, configuration information in its payload;

first period information;

the number information of uplink time slots contained in the first period;

It can be understood that, in the embodiment of the present invention, when the program is executed by the processor 501, each process of the embodiment of the information sending method shown in fig. 1 can be implemented, and the same technical effect can be achieved.

In fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 501 and various circuits of memory represented by memory 503 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 502 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 504 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 501 is responsible for managing the bus architecture and general processing, and the memory 503 may store data used by the processor 501 in performing operations.

It should be noted that the first device embodiment is a device corresponding to the above method embodiment applied to the first terminal or the first base station, and all implementation manners in the above method embodiment are applicable to the first device embodiment, and the same or similar technical effects can also be achieved.

In some embodiments of the invention, there is also provided a computer readable storage medium having a program stored thereon, which when executed by a processor, performs the steps of:

determining the load of a first Physical Broadcast Channel (PBCH) according to a first subcarrier spacing (SCS) used by the PBCH;

and sending a first Synchronization Signal Block (SSB), wherein the first SSB comprises the first PBCH.

When executed by the processor, the program can implement all the implementation manners in the information sending method applied to the first terminal or the first base station, and can achieve the same technical effect, and is not described herein again to avoid repetition.

Referring to fig. 6, a schematic structural diagram of a second terminal according to an embodiment of the present invention is provided, where the second terminal 600 includes: a processor 601, a transceiver 602, a memory 603, a user interface 604 and a bus interface.

In this embodiment of the present invention, the second terminal 600 further includes: a program stored in the memory 603 and executable on the processor 601.

The processor 601, when executing the program, implements the following steps:

Specifically, the processor 601 further implements the following steps when executing the program:

first period information;

the number information of uplink time slots contained in the first period;

It can be understood that, in the embodiment of the present invention, when being executed by the processor 601, the computer program can implement each process of the information receiving method embodiment shown in fig. 2, and can achieve the same technical effect, and is not described herein again to avoid repetition.

In fig. 6, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 601 and various circuits of memory represented by memory 603 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 602 may be a plurality of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 604 may also be an interface capable of interfacing with a desired device for different user devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

The processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 may store data used by the processor 601 in performing operations.

It should be noted that the second terminal embodiment is a terminal in one-to-one correspondence with the method embodiment applied to the second terminal, and all implementation manners in the method embodiment are applicable to the second terminal embodiment, and the same or similar technical effects can also be achieved.

In some embodiments of the invention, there is also provided a computer readable storage medium having a program stored thereon, the program when executed by a processor implementing the steps of:

When executed by the processor, the program can implement all the implementation manners in the information receiving method applied to the second terminal, and can achieve the same technical effect, and for avoiding repetition, the detailed description is omitted here.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An information sending method applied to a first terminal or a first base station, the method comprising:

determining the load of a first Physical Broadcast Channel (PBCH) according to a first subcarrier spacing (SCS) used by the first PBCH;

and sending a first synchronization signal block SSB, wherein the first SSB comprises the first PBCH.

2. The method of claim 1, wherein determining the loading of the first PBCH based on the first SCS used for the first PBCH comprises:

3. The method of claim 1,

the load of the first PBCH comprises Time Division Duplex (TDD) configuration information;

4. The method of claim 3, wherein the TDD configuration information comprises at least one of:

first period information;

the number information of uplink time slots contained in the first period;

5. The method of claim 4, wherein the first periodicity information is a periodicity value in an NR null TDD uplink-downlink configuration.

6. The method of claim 4,

in case the first SCS is configured as a 15KHz SCS, the first periodic information occupies 2 bits;

7. The method of claim 4,

in the case that the first SCS is configured as a 15KHz SCS, the uplink time slot number information occupies 4 bits;

8. The method of claim 4,

the uplink symbol number information occupies 1,2, 3 or 4 bits.

9. The method of claim 4,

in case the first SCS is configured as a 15KHz SCS, the TDD configuration information occupies 8 or 10 bits;

10. The method of claim 4,

in case that the first SCS is configured to 15KHz, 30KHz, 60KHz, or 120KHz, the load size of the PBCH remains unchanged.

11. The method according to any one of claims 1 to 10,

the PBCH is a physical direct link broadcast channel PSBCH, and the SSB is a direct link synchronization signal block S-SSB.

12. An information receiving method applied to a second terminal, the method comprising:

13. The method of claim 12, wherein determining the loading of the first PBCH based on the first SCS used for the first PBCH comprises:

14. The method of claim 12,

the load of the first PBCH comprises TDD configuration information;

15. The method of claim 14, wherein the TDD configuration information comprises at least one of:

first period information;

the number information of uplink time slots contained in the first period;

16. The method of claim 15 wherein the first periodicity information is a periodicity value in an NR slot TDD uplink-downlink configuration.

17. The method of claim 15,

18. The method of claim 15,

19. The method of claim 15,

the uplink symbol number information occupies 1,2, 3 or 4 bits.

20. The method of claim 15,

21. The method of claim 15,

22. The method according to any one of claims 12 to 21,

the PBCH is PSBCH, and the SSB is S-SSB.

23. An information transmitting apparatus applied to a first terminal or a first base station, the information transmitting apparatus comprising:

24. A first device, the first device being a first base station or a first terminal, the first device comprising: a memory, a processor, a transceiver, and a program stored on the memory and executable on the processor; it is characterized in that the preparation method is characterized in that,

the processor implements the following steps when executing the program:

and sending a first SSB, wherein the first SSB comprises the first PBCH.

25. The first apparatus of claim 24,

the processor, when executing the program, further implements the steps of:

26. The first apparatus of claim 24, wherein a payload of the first PBCH includes time division duplex, TDD, configuration information;

27. The first device of claim 26, wherein the TDD configuration information comprises at least one of:

first period information;

the number information of uplink time slots contained in the first period;

28. An information receiving apparatus applied to a second terminal, comprising:

29. A second terminal, comprising: a memory, a processor, a transceiver, and a program stored on the memory and executable on the processor; it is characterized in that the preparation method is characterized in that,

the processor implements the following steps when executing the program:

30. The second terminal of claim 29,

the processor, when executing the program, further implements the steps of:

31. The second terminal of claim 29, wherein the first PBCH payload includes time division duplex, TDD, configuration information;

32. The second terminal of claim 31, wherein the TDD configuration information comprises at least one of:

first period information;

the number information of uplink time slots contained in the first period;

33. A computer storage medium comprising instructions that, when executed on a computer, cause the computer to perform the information transmission method according to any one of claims 1 to 11, or perform the information reception method according to any one of claims 12 to 22.