CN111526590A

CN111526590A - Indication method and device

Info

Publication number: CN111526590A
Application number: CN201910108683.5A
Authority: CN
Inventors: 何文林; 曹丽芳
Original assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Current assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Priority date: 2019-02-03
Filing date: 2019-02-03
Publication date: 2020-08-11
Anticipated expiration: 2039-02-03
Also published as: CN111526590B

Abstract

The embodiment of the invention provides an indication method and equipment, wherein the method comprises the following steps: the network equipment sends a first message to the terminal, wherein the first message comprises an indication field, and the indication field is used for indicating the frequency hopping mode of the terminal. In the embodiment of the invention, the network equipment indicates the frequency hopping mode of the terminal through the indication field, so that the interference among a GSM frequency point, eMTC SIB1-BR and Paging messages when the GL frequency spectrum sharing technology and eMTC are started simultaneously is avoided.

Description

Indication method and device

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to an indicating method and indicating equipment.

Background

Under the standard bandwidth configuration of Global System For Mobile Communications (GSM) that can not quit standard bandwidth but Long Term Evolution (LTE) Frequency Division Duplexing (FDD), GSM shares a part of Frequency resources in the spectrum range of LTE to transmit GSM signals, which can effectively improve the utilization efficiency of FDD spectrum, i.e., GL spectrum sharing technology, wherein GSM sharing Frequency points are located at both sides of FDD bandwidth.

The third Generation Partnership Project (3rd Generation Partnership Project, 3GPP) specifies that enhanced Machine Type Communication (eMTC) System Information Block-Bandwidth Reduction (SIB 1-BR) must follow the frequency hopping principle, cannot fixedly use a specific Narrowband (NB) resource Block, and the frequency hopping pattern (pattern) is based on Physical Cell Identity (PCI), for different PCI cells of the whole network, SIB1-BR of some cells may coincide with the shared GSM 1-BR, resulting in a Reduction of SIB1-BR demodulation performance.

The NB resource block used by the machine type communication Physical Downlink Control Channel (MPDCCH) of the 3GPP specified paging message is predetermined based on PCI and cannot be configured based on the operator.

See tables 1 and 2, where table 1 is the NB resource blocks used by SIB1-BR under different PCIs and table 2 is the NB resource blocks used by paging under different PCIs.

TABLE 1

TABLE 2

In the prior art, a GSM frequency point located in a shared bandwidth may interfere with eMTC SIB1-BR and paging messages at a corresponding position, referring to fig. 1, taking 4.4MHz shared by 10MHz as an example, LTE FDD configures 10MHz bandwidth, 50 Resource Blocks (RBs), shares 4.4MHz with GSM, and GSM shared frequency points are symmetrically distributed on both sides of the LTE bandwidth, where NB0 and NB7 all fall within the shared bandwidth, NB1 and NB6 partially fall within the shared bandwidth, according to a test result, one GSM shared frequency point is used, and 2 to 3 RBs on both sides may be unavailable, that is, NB1 and NB6 may also be interfered by GSM.

The SIB1-BR hops on three pairs of NBs, NB0 and NB5, NB1 and NB6, NB2 and NB7, respectively, the current solution is to reduce interference through PCI planning, since both NB1 and NB6 will be interfered, PCI mod6 equal to 1 and PCI 4 cannot be used, only PCI of 2/3 is available, and half of NB0 and NB5, NB2 and NB7 will be interfered, and the demodulation performance of the terminal will be reduced.

Although the MPDCCH paging may turn off hopping or turn on hopping, since its hopping NB combination is the same as SIB1-BR, part of the paging message may still be interfered.

Disclosure of Invention

The embodiment of the invention provides an indication method and equipment, which solve the problem of interference among a GSM frequency point, eMTC SIB1-BR and Paging messages when a GL frequency spectrum sharing technology and eMTC are started simultaneously.

According to a first aspect of the embodiments of the present invention, there is provided an indication method applied to a network device, the method including: the method comprises the steps of sending a first message to a terminal, wherein the first message comprises an indication field, and the indication field is used for indicating the frequency hopping mode of the terminal.

Optionally, the frequency hopping method of the terminal includes: and when the value of the indication field is null, the terminal hops on an NB resource block corresponding to the PCI.

Optionally, when the value of the indication field is not null, the terminal hops on a target hopping NB resource block set; the target frequency hopping NB resource block set is any one set of a plurality of frequency hopping NB resource block sets, the plurality of frequency hopping NB resource block sets are sets determined by frequency hopping available NB resource blocks, and the frequency hopping available NB resource blocks are NB resource blocks of a non-overlapped part of a GSM frequency band and an LTE frequency band.

Optionally, when the total number of NB resource blocks in a non-overlapping portion of the GSM frequency band and the LTE frequency band is an even number, the number of the frequency hopping available NB resource blocks is the same as the total number of NB resource blocks in the non-overlapping portion; when the total number of NB resource blocks in the non-overlapped part of the GSM frequency band and the LTE frequency band is an odd number, the number of the frequency hopping available NB resource blocks is equal to the total number of the NB resource blocks in the non-overlapped part minus 1.

Optionally, the number of the plurality of sets of frequency hopping NB resource blocks is the same as the number of the frequency hopping available NB resource blocks.

Optionally, the terminal frequency hops on the target frequency hopping NB resource block set, including: and the terminal starts frequency hopping at an interval of 0 or 1 from the frequency hopping starting position in the target frequency hopping NB resource block set.

Optionally, when the total number of downlink resource blocks is less than 12, the number of NB resource blocks in the target frequency hopping NB resource block set is 1; when the total number of downlink resource blocks is greater than or equal to 12 and less than or equal to 50, the number of NB resource blocks in the target frequency hopping NB resource block set is 2; when the total number of downlink resource blocks is greater than 50, the number of NB resource blocks in the target frequency hopping NB resource block set is 4.

Optionally, the indication field is a hexadecimal number with 4 or less bits.

Optionally, the first message is an eMTC MIB message.

According to a second aspect of the embodiments of the present invention, there is provided an indication method applied to a terminal, the method including: receiving a first message from a network device, wherein the first message comprises an indication field, and the indication field is used for indicating a mode of frequency hopping sending messages of the terminal.

Optionally, the method for the terminal to send the message by frequency hopping includes: and when the value of the indication field is null, the terminal transmits a message on an NB resource block corresponding to the PCI in a frequency hopping manner.

Optionally, the indication field is a hexadecimal number with 4 or less bits.

Optionally, the first message is an eMTC MIB message.

According to a third aspect of the embodiments of the present invention, there is provided a network device, including: a first transceiver and a first processor;

the first transceiver is configured to send a first message to a terminal, where the first message includes an indication field, and the indication field is used to indicate a frequency hopping mode of the terminal.

Optionally, the method for the terminal to send the message by frequency hopping includes: and when the value of the indication field is null, the terminal hops on an NB resource block corresponding to the PCI.

Optionally, the indication field is a hexadecimal number with 4 or less bits.

Optionally, the first message is an eMTC MIB message.

According to a fourth aspect of the embodiments of the present invention, there is provided a terminal, including: a second transceiver and a second processor;

the method comprises the steps of receiving a first message from a network device, wherein the first message comprises an indication field, and the indication field is used for indicating the mode of frequency hopping message sending of the terminal.

Optionally, the indication field is a hexadecimal number with 4 or less bits.

Optionally, the first message is an eMTC MIB message.

According to a fifth aspect of embodiments of the present invention, there is provided a communication device comprising a processor, a memory, and a program stored on the memory and executable on the processor, the program implementing the steps of the indicating method according to the first aspect or the steps of the indicating method according to the second aspect when executed by the processor.

According to a sixth aspect of embodiments of the present invention, there is provided a computer readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps of the indication method according to the first aspect or the steps of the indication method according to the second aspect.

In the embodiment of the invention, network equipment sends a first message to a terminal, wherein the first message comprises an indication field, and the indication field is used for indicating the frequency hopping mode of the terminal. The mode of frequency hopping of the terminal is indicated through the indication field, and the interference between a GSM frequency point and eMTC SIB1-BR and Paging messages when the GL frequency spectrum sharing technology and eMTC are started simultaneously is avoided.

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 structural diagram of a GL common frequency band;

FIG. 2 is a block diagram of a wireless communication system according to an embodiment of the present invention;

FIG. 3 is a flowchart illustrating an indication method according to an embodiment of the present invention;

FIG. 4 is a second flowchart illustrating an indication method according to an embodiment of the present invention;

FIG. 5 is a second schematic diagram of the structure of the GL shared band;

fig. 6 is a schematic structural diagram of a network device according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a communication device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The techniques described herein are also not limited to LTE/LTE evolution (LTE-Advanced) systems, and may also be used for 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), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems.

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 can implement radio technologies such as Ultra Mobile Broadband (UMB), evolved-UTRA (E-UTRA)), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX)), IEEE802.20, Flash-OFDM, and the like. 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 literature from an organization named "third Generation Partnership Project" (3 GPP). CDMA2000 and UMB are described in documents from an organization named "third generation partnership project 2" (3GPP 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.

Embodiments of the present invention are described below with reference to the accompanying drawings. The indication method and the indication equipment provided by the embodiment of the invention can be applied to a wireless communication system. Fig. 2 is a block diagram of a wireless communication system according to an embodiment of the present invention. As shown in fig. 2, the wireless communication system may include: a network device 20 and a terminal, which is denoted as a User Equipment (UE) 21, where the UE 21 can communicate (transmit signaling or transmit data) with the network device 20. In practical applications, the connections between the above devices may be wireless connections, and fig. 2 is illustrated with solid lines for convenience and intuition of the connection relationships between the devices. It should be noted that the communication system may include a plurality of UEs 21, and the network device 20 may communicate with the plurality of UEs 21.

The terminal provided by the embodiment of the invention can be a Mobile phone, a tablet computer, a notebook computer, an Ultra-Mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a wearable Device (wearable Device) or a vehicle-mounted Device, and the like.

The network device 20 provided in the embodiment of the present invention may be a base station, which may be a commonly used base station, an evolved node base station (eNB), or a network device in a 5G system (e.g., a next generation base station (gNB) or a Transmission and Reception Point (TRP)).

Referring to fig. 3, an embodiment of the present invention provides an indication method, where an execution subject of the method is a network device, and the method includes the following specific steps:

step 301: sending a first message to a terminal;

in the embodiment of the present invention, the first message includes an indication field, and the indication field is used for indicating a frequency hopping mode of the terminal.

Optionally, the first message is an enhanced machine type Communication Master Information Block (eMTC MIB) message.

Optionally, the indication field is "SIB 1or hopping hoppingpattern", and indicates whether the terminal transmits the SIB1-BR and Paging messages using a new hopping pattern through the indication field.

Further, when the value of the indication field is null, it indicates that the GL spectrum sharing function is not turned on by the cell, and the terminal performs frequency hopping on the NB resource block corresponding to the PCI, that is, performs frequency hopping according to the frequency hopping pattern corresponding to the original PCI to send SIB1-BR and Paging messages.

And when the value of the indication field is not null, indicating that the cell starts a GL spectrum sharing function, and the terminal performs frequency hopping according to a frequency hopping pattern reconfigured by the network equipment, wherein the new frequency hopping pattern is used for sending SIB1-BR and Paging messages on a target NB resource block in a frequency hopping manner.

Specifically, the terminal hops over a target set of hopping NB resource blocks.

In the embodiment of the invention, the frequency hopping available NB resource block is determined according to the NB resource block at the non-overlapped part of the GSM frequency band and the LTE frequency band.

If the total number of NB resource blocks in the non-overlapped part of the GSM frequency band and the LTE frequency band is an even number, the number of the frequency hopping available NB resource blocks is the same as the total number of the NB resource blocks in the non-overlapped part, namely, the NB resource blocks in the non-overlapped part are all frequency hopping available NB resource blocks.

If the total number of NB resource blocks in the non-overlapped part of the GSM frequency band and the LTE frequency band is an odd number, the number of the frequency hopping available NB resource blocks is equal to the total number of the NB resource blocks in the non-overlapped part minus 1, namely, one NB resource block is removed from the NB resource blocks in the non-overlapped part, and the rest NB resource blocks are the frequency hopping available NB resource blocks. Further, one NB resource block is removed from the band end of the non-overlapping portion.

And determining a plurality of frequency hopping NB resource block sets according to the available frequency hopping NB resource blocks. The target frequency hopping NB resource block set is any one of the plurality of frequency hopping NB resource block sets.

Optionally, the cell may randomly select one set from the multiple sets of frequency hopping NB resource blocks as a target set of frequency hopping NB resource blocks, and the cell may select one set with less interference from the multiple sets of frequency hopping NB resource blocks as the target set of frequency hopping NB resource blocks.

Optionally, the number of the multiple sets of frequency hopping NB resource blocks is the same as the number of frequency hopping available NB resource blocks, taking GL shared frequency band in fig. 1 as an example, the frequency hopping available NB resource blocks are NB2 and NB5, and there are two sets of frequency hopping NB resource blocks, which are (NB2, NB5) and (NB5, NB2), where (NB2, NB5) indicates that the starting position of frequency hopping in the set is NB2, and (NB5, NB2) indicates that the starting position of frequency hopping in the set is NB 5.

Further, the terminal may start an interval of 0 from a hopping start position in the target hopping NB resource block set, for example: the number of NB resource blocks in the target frequency hopping NB resource block set is 2, and the two NB resource blocks are adjacent; the terminal may also hop at an interval of 1 from the hopping start position in the target hopping NB resource block set, and continuing to take the GL shared band in fig. 1 as an example, since NB3 and NB4 cannot be used in this scenario, the interval between NB2 and NB5 may be considered as 1.

It should be noted that the terminal may cyclically hop on NB resource blocks in the target hopping NB resource block set, for example: the NB resource blocks in the target frequency hopping NB resource block set are NB1, NB3 and NB5, frequency hopping is carried out at an interval of 1 from NB1, and when the NB5 is hopped, the terminal returns to NB1 to start frequency hopping, so that cyclic frequency hopping is realized.

It should be understood that the above example of cyclic frequency hopping is only one possible example, and the embodiment of the present invention does not limit the specific situation of cyclic frequency hopping of the terminal.

Optionally, the number of NB resource blocks in each target frequency hopping NB resource block set is m;

the number of NB resource blocks satisfies:

wherein the content of the first and second substances,

the total number of downlink resource blocks;

that is, when the total number of downlink resource blocks is less than 12, the number of NB resource blocks in the frequency hopping NB resource block set is 1;

when the total number of the downlink resource blocks is greater than or equal to 12 and less than or equal to 50, the number of the NB resource blocks in the frequency hopping NB resource block set is 2;

when the total number of downlink resource blocks is greater than 50, the number of NB resource blocks in the frequency hopping NB resource block set is 4.

Further, the indication field is a hexadecimal number with the number of bits being less than or equal to 4 bits, and since there are at most 4 NB resource blocks in each group of frequency hopping NB resource block set, the 4-bit hexadecimal number is sufficient for indication. Wherein, each digit indicates that the NB resource block of the corresponding position can be used by frequency hopping, and the terminal is informed of the SIB1-BR and the specific position sent by the Paging message.

Referring to fig. 4, an embodiment of the present invention provides another indication method, where an execution subject of the method is a terminal, and the method includes the following specific steps:

step 401: receiving a first message from a network device;

in this embodiment of the present invention, the first message is an eMTC MIB message, and the first message includes an indication field, where the indication field is used to indicate a frequency hopping mode of the terminal.

Optionally, the first message is an eMTC MIB message.

Further, when the value of the indication field is (null), it indicates that the GL spectrum sharing function is not turned on by the cell, and the terminal performs frequency hopping on the NB resource block corresponding to the PCI, that is, performs frequency hopping according to the frequency hopping pattern corresponding to the original PCI to send SIB1-BR and Paging messages.

the number of NB resource blocks satisfies:

wherein the content of the first and second substances,

the total number of downlink resource blocks;

For example, referring to fig. 1, the LTE FDD configures a 10MHz bandwidth, 50 RBs share 4.4MHz with GSM, and GSM sharing frequency points are symmetrically distributed on both sides of the LTE bandwidth. Wherein, NB resource blocks of the GL shared frequency bands which are not overlapped are NB2 and NB5, then frequency hopping NB resource block sets (NB2, NB5) and (NB5, NB2) can be determined, and the indication field SIB1or paging hoppingpattern can be 0X25 or 0X52, which indicates that the terminal can frequency hop in the target frequency hopping NB resource block set (NB2, NB5) or (NB5, NB2), respectively.

For example, referring to fig. 5, the LTE FDD configures 10MHz bandwidth, 50 RBs share 4.4MHz with GSM, and GSM shared frequency points are asymmetrically distributed on both sides of the LTE bandwidth. The NBs with non-overlapping GL shared bands are NB5, NB6, and NB7, and since NB6 is not available, sets of hopping NBs (NB5, NB7) and (NB7, NB5) can be determined, and the indication field SIB1or paging hoppingpaging pattern can be 0X57 or 0X75, which indicates that the terminal can hop in two hopping sets of the target hopping NB resource block set (NB5, NB7) or (NB7, NB5), respectively.

Referring to fig. 6, an embodiment of the present invention provides a network device 500, including: a first transceiver 501 and a processor 602;

the first transceiver 601 is configured to send a first message to a terminal, where the first message includes an indication field, and the indication field is used to indicate a frequency hopping manner of the terminal.

Optionally, the frequency hopping method of the terminal includes:

when the value of the indication field is null, the terminal hops on an NB resource block corresponding to the PCI;

when the value of the indication field is not null, the terminal hops on a target frequency hopping NB resource block set;

the target frequency hopping NB resource block set is any one set of a plurality of frequency hopping NB resource block sets, the plurality of frequency hopping NB resource block sets are sets determined by frequency hopping available NB resource blocks, and the frequency hopping available NB resource blocks are NB resource blocks of a non-overlapped part of a GSM frequency band and an LTE frequency band.

Optionally, if the total number of NB resource blocks in a non-overlapping portion of the GSM frequency band and the LTE frequency band is an even number, the number of the frequency hopping available NB resource blocks is the same as the total number of NB resource blocks in the non-overlapping portion;

and if the total number of NB resource blocks in the non-overlapped part of the GSM frequency band and the LTE frequency band is an odd number, the number of the frequency hopping available NB resource blocks is equal to the total number of the NB resource blocks in the non-overlapped part minus 1.

Optionally, the terminal frequency hops on the target frequency hopping NB resource block set, including:

and the terminal starts frequency hopping at an interval of 0 or 1 from the frequency hopping starting position in the target frequency hopping NB resource block set.

Optionally, when the total number of downlink resource blocks is less than 12, the number of NB resource blocks in the target frequency hopping NB resource block set is 1;

when the total number of downlink resource blocks is greater than or equal to 12 and less than or equal to 50, the number of NB resource blocks in the target frequency hopping NB resource block set is 2;

when the total number of downlink resource blocks is greater than 50, the number of NB resource blocks in the target frequency hopping NB resource block set is 4.

Optionally, the indication field is a hexadecimal number with 4 or less bits.

Optionally, the first message is an eMTC MIB message.

Referring to fig. 7, an embodiment of the present invention provides a terminal 700, including: a second transceiver 701 and a second processor 702;

the second transceiver 701 is configured to receive a first message from a network device, where the first message includes an indication field, and the indication field is used to indicate a frequency hopping manner of the terminal.

Optionally, the method for the terminal to send the message by frequency hopping includes:

when the value of the indication field is null, the terminal sends a message on an NB resource block corresponding to the PCI in a frequency hopping manner;

Optionally, the indication field is a hexadecimal number with 4 or less bits.

Optionally, the first message is an eMTC MIB message.

Referring to fig. 8, an embodiment of the present invention provides a communication device 800, including: a processor 801, a transceiver 802, a memory 803, and a bus interface.

Among other things, the processor 801 may be responsible for managing the bus architecture and general processing. The memory 803 may store data used by the processor 801 in performing operations.

In this embodiment of the present invention, the communication device 800 may further include: a program stored on the memory 803 and executable on the processor 801, which when executed by the processor 801, performs the steps of the method provided by embodiments of the present invention.

In FIG. 8, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by the processor 801, and various circuits, represented by the memory 803, 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 in connection with embodiments of the present invention. The bus interface provides an interface. The transceiver 802 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium.

The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements the processes of the method embodiments, and can achieve the same technical effects, and in order to avoid repetition, the details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An indication method applied to a network device, the method comprising:

the method comprises the steps of sending a first message to a terminal, wherein the first message comprises an indication field, and the indication field is used for indicating the frequency hopping mode of the terminal.

2. The method of claim 1, wherein the frequency hopping pattern of the terminal comprises:

and when the value of the indication field is null, the terminal hops on a narrowband NB resource block corresponding to the physical cell identity PCI.

3. The method of claim 1, wherein the frequency hopping pattern of the terminal comprises:

the target frequency hopping NB resource block set is any one set of a plurality of frequency hopping NB resource block sets, the plurality of frequency hopping NB resource block sets are sets determined by frequency hopping available NB resource blocks, and the frequency hopping available NB resource blocks are NB resource blocks of a non-overlapped part of a global system for mobile communication (GSM) frequency band and a Long Term Evolution (LTE) frequency band.

4. The method of claim 3,

when the total number of NB resource blocks at the non-overlapped part of the GSM frequency band and the LTE frequency band is an even number, the number of the frequency hopping available NB resource blocks is the same as the total number of the NB resource blocks at the non-overlapped part;

when the total number of NB resource blocks in the non-overlapped part of the GSM frequency band and the LTE frequency band is an odd number, the number of the frequency hopping available NB resource blocks is equal to the total number of the NB resource blocks in the non-overlapped part minus 1.

5. The method of claim 4,

the number of the plurality of sets of frequency-hopping NB resource blocks is the same as the number of the frequency-hopping available NB resource blocks.

6. The method of claim 3, wherein the terminal hops over a target set of frequency hopping (NB) resource blocks, comprising:

7. The method of claim 3,

when the total number of downlink resource blocks is less than 12, the number of NB resource blocks in the target frequency hopping NB resource block set is 1;

8. The method according to any one of claims 1 to 7, wherein the indication field is a hexadecimal number with a number of bits less than or equal to 4 bits.

9. The method of any one of claims 1 to 7, wherein the first message is an enhanced machine type communication master information block, eMTC, MIB message.

10. An indication method applied to a terminal, the method comprising:

receiving a first message from a network device, wherein the first message comprises an indication field, and the indication field is used for indicating a mode of frequency hopping sending messages of the terminal.

11. The method of claim 10, wherein the manner in which the terminal hops to send the message comprises:

and when the value of the indication field is null, the terminal transmits a message on an NB resource block corresponding to the PCI in a frequency hopping manner.

12. The method of claim 10, wherein the manner in which the terminal hops to send the message comprises:

13. The method of claim 12,

14. The method of claim 13,

15. The method of claim 12, wherein the terminal hops over a target set of frequency hopping (NB) resource blocks, comprising:

16. The method of claim 12,

17. The method according to any one of claims 10 to 16, wherein the indication field is a hexadecimal number with a number of bits less than or equal to 4 bits.

18. The method of any one of claims 10 to 16, wherein the first message is an eMTC MIB message.

19. A network device, comprising: a first transceiver and a first processor, wherein,

20. A terminal, comprising: a second transceiver and a second processor, wherein,

21. A communication device comprising a processor, a memory and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the steps of the indication method of any one of claims 1 to 9 or the steps of the indication method of any one of claims 10 to 18.

22. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the indication method according to one of the claims 1 to 9 or the steps of the indication method according to one of the claims 10 to 18.