CN110546970A

CN110546970A - Information indicating method, information determining method, information indicating device, information determining device, communication equipment and storage medium

Info

Publication number: CN110546970A
Application number: CN201980001431.0A
Authority: CN
Inventors: 牟勤
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2019-12-06
Anticipated expiration: 2039-07-17
Also published as: WO2021007827A1; CN110546970B

Abstract

The application discloses an information indicating method, an information determining method, an information indicating device, an information determining device, a communication device and a storage medium. The information indication method comprises the following steps: and issuing joint indication information according to the mapping relation between the repeated transmission times of the transport blocks TB and the modulation coding strategy MCS, wherein the joint indication information is used for indicating the repeated transmission times of the scheduled TB and indicating the MCS at the same time by indicating the mapping relation.

Description

Information indicating method, information determining method, information indicating device, information determining device, communication equipment and storage medium

Technical Field

The present application relates to the field of wireless communications technologies, but not limited to the field of wireless communications technologies, and in particular, to an information indicating and determining method and apparatus, a communication device, and a storage medium.

Background

Machine Type Communication (MTC) is a typical representative of cellular internet of things. Currently, MTC technology has been widely used in smart cities, such as meter reading; intelligent agriculture, such as acquisition of information of temperature and humidity; intelligent traffic, such as shared bicycles, etc. A terminal applying MTC technology may be referred to as an MTC terminal.

however, in the scheduling process of information transmission by the MTC terminal, it is found that: there is a problem in that signaling overhead is large.

Disclosure of Invention

the embodiment of the application discloses an information indicating and determining method and device, communication equipment and a storage medium.

A first aspect of the embodiments of the present application provides an information indication method, which is applied to a base station, and includes:

And issuing joint indication information according to a mapping relation between the number of retransmission times of The (TB) and a Modulation Coding Strategy (MCS), wherein the joint indication information is used for indicating the number of retransmission times of the scheduled TB and indicating the MCS at the same time by indicating the mapping relation.

a second aspect of the present application provides an information determining method, which is applied to a terminal, and includes:

Receiving joint indication information;

And determining the repeated transmission times of the transport block TB according to the mapping relation indicated by the joint indication information, and determining a Modulation and Coding Strategy (MCS).

A third aspect of the embodiments of the present application provides an information indicating apparatus, including:

and the issuing module is configured to issue joint indication information according to a mapping relation between the number of repeated transmissions of the transport block TB and a Modulation and Coding Scheme (MCS), wherein the joint indication information is used for indicating the number of repeated transmissions of the scheduled TB and indicating the MCS at the same time by indicating the mapping relation.

a fourth aspect of the present embodiment provides an information determining apparatus, including:

A receiving module configured to receive joint indication information;

and the determining module is configured to determine the repeated transmission times of the transport blocks TB according to the mapping relation indicated by the joint indication information and determine a Modulation and Coding Scheme (MCS).

A fifth aspect of an embodiment of the present application provides a communication device, including:

An antenna;

A memory;

A processor, connected to the antenna and the memory, respectively, configured to execute computer-executable instructions stored on the memory, control transceiving of the antenna, and enable implementation of the method provided by the first aspect and/or the second aspect.

A sixth aspect of embodiments of the present application provides a computer storage medium, where the computer storage medium stores computer-executable instructions, and the computer-executable instructions, when executed by a processor, implement the method provided in the first aspect and/or the second aspect.

According to the technical scheme provided by the embodiment of the application, when the indication of the repeated transmission times and the MCS is carried out, the repeated transmission times and the MCS are not respectively indicated by using different information fields in the DCI, but the combined indication information is used for simultaneously informing the terminal base station of the repeated transmission times and the MCS of the TB configured for the terminal base station by indicating the mapping relation between the repeated transmission times and the MCS, so that the indication can be completed by using only one combined indication information, and the signaling overhead is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a wireless system according to an embodiment of the present application;

Fig. 2 is a schematic flowchart of an information indication method according to an embodiment of the present application;

Fig. 3 is a schematic diagram illustrating an indication of an MPDCCH message of an MTC terminal according to an embodiment of the present application;

Fig. 4 is a schematic flowchart of another information indication method according to an embodiment of the present application;

Fig. 5 is a schematic flowchart of an information determining method according to an embodiment of the present application;

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

Fig. 7 is a schematic structural diagram of another information determination apparatus according to an embodiment of the present application;

Fig. 8 is a schematic structural diagram of a terminal according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a base station according to an embodiment of the present application.

Detailed Description

the network architecture and the service scenario described in the embodiment of the present application are for more clearly illustrating the technical solution of the embodiment of the present application, and do not constitute a limitation to the technical solution provided in the embodiment of the present application, and it can be known by a person skilled in the art that the technical solution provided in the embodiment of the present application is also applicable to similar technical problems along with the evolution of the network architecture and the appearance of a new service scenario.

please refer to fig. 1, which illustrates a schematic structural diagram of a wireless communication system according to an embodiment of the present application. As shown in fig. 1, the wireless communication system is a communication system based on a cellular mobile communication technology, and may include: a number of terminals 110 and a number of base stations 120.

Terminal 110 may refer to, among other things, a device that provides voice and/or data connectivity to a user. The terminal 110 may communicate with one or more core networks via a Radio Access Network (RAN), and the terminal 110 may be an internet of things terminal, such as a sensor device, a mobile phone (or referred to as a "cellular" phone), and a computer having the internet of things terminal, and may be a fixed, portable, pocket, handheld, computer-included, or vehicle-mounted device, for example. For example, a Station (STA), a subscriber unit (subscriber unit), a subscriber Station (subscriber Station), a mobile Station (mobile), a remote Station (remote Station), an access point (ap), a remote terminal (remote terminal), an access terminal (access terminal), a user equipment (user terminal), a user agent (user agent), a user equipment (user device), or a user terminal (UE). Alternatively, the terminal 110 may be a device of an unmanned aerial vehicle. Alternatively, the terminal 110 may also be a vehicle-mounted device, for example, a vehicle computer with a wireless communication function, or a wireless communication device externally connected to the vehicle computer. Alternatively, the terminal 110 may be a roadside device, for example, a street lamp, a signal lamp or other roadside device with a wireless communication function.

The base station 120 may be a network side device in a wireless communication system. The wireless communication system may be a fourth generation mobile communication (4G) system, which is also called a Long Term Evolution (LTE) system; alternatively, the wireless communication system can be a 5G system, which is also called a New Radio (NR) system or a 5G NR system. Alternatively, the wireless communication system may be a next-generation system of a 5G system. Among them, the Access network in the 5G system may be referred to as NG-RAN (New Generation-Radio Access Ne network, New Generation Radio Access network).

the base station 120 may be an evolved node b (eNB) used in a 4G system. Alternatively, the base station 120 may be a base station (gNB) adopting a centralized distributed architecture in the 5G system. When the base station 120 adopts a centralized distributed architecture, it generally includes a Centralized Unit (CU) and at least two Distributed Units (DUs). A Packet Data Convergence Protocol (PDCP) layer, a Radio Link layer Control Protocol (RLC) layer, and a Media Access Control (MAC) layer are provided in the central unit; a Physical (PHY) layer protocol stack is disposed in the distribution unit, and the embodiment of the present application does not limit the specific implementation manner of the base station 120.

The base station 120 and the terminal 110 may establish a radio connection over a radio air interface. In various embodiments, the wireless air interface is based on a fourth generation mobile communication network technology (4G) standard; or the wireless air interface is based on a fifth generation mobile communication network technology (5G) standard, for example, the wireless air interface is a new air interface; alternatively, the wireless air interface may be a wireless air interface based on a 5G next generation mobile communication network technology standard.

In some embodiments, an E2E (End to End) connection may also be established between terminals 110. Scenarios such as V2V (vehicle to vehicle) communication, V2I (vehicle to Infrastructure) communication, and V2P (vehicle to vehicle) communication in vehicle networking communication (V2X).

in some embodiments, the wireless communication system may further include a network management device 130.

several base stations 120 are connected to the network management device 130, respectively. The network Management device 130 may be a Core network device in a wireless communication system, for example, the network Management device 130 may be a Mobility Management Entity (MME) in an Evolved Packet Core (EPC). Alternatively, the Network management device may also be other core Network devices, such as a Serving GateWay (SGW), a Public Data Network GateWay (PGW), a Policy and Charging Rules Function (PCRF), a Home Subscriber Server (HSS), or the like. The embodiment of the present application is not limited to the implementation form of the network management device 130.

as shown in fig. 2, the present embodiment provides an information indicating method, including:

And issuing joint indication information according to the mapping relation between the repeated transmission times of the TB and the MCS, wherein the joint indication information is used for indicating the repeated transmission times of the scheduled TB and indicating the MCS at the same time through indicating the mapping relation.

the information indication method provided by the embodiment can be applied to the base station. The TB here is a kind of content block; different TBs contain different data contents. The TBs herein may be transport blocks proposed in MTC technology. Before the MTC terminal performs data transmission using the TB, the MTC Physical Downlink Control Channel (MPDCCH) may be used to schedule the TB transmission, for example, Downlink Control Information (DCI) sent by the MPDCCH indicates the TB, the number of TBs, and the number of times of repeated transmission of one TB.

in this embodiment, the number of times of retransmission may be any positive integer, and through the configuration of the number of times of retransmission, the number of times of retransmission of one TB is determined, and through the repeated transmission, the reliability of transmission can be ensured. Thus, when one transmission is unsuccessful, the reception can be successful through the repeatedly transmitted TB; for another example, when a corresponding TB is not completely successfully received in one transmission, the TB may be jointly decoded through multiple receptions of repeated transmissions, thereby ensuring a transmission success rate of the TB.

the base station configures the mapping relation between the repeated transmission times of the TB and the MCS in advance; alternatively, the mapping relationship between the number of repeated transmission of the TB and the MCS is predefined in the communication protocol.

the mapping relationship can also be implemented by the base station to be transmitted to the terminal.

In some embodiments, the number of repeated transmissions of the TB and the MCS are indicated by different information fields, and the number of bits occupied by each information field is related to the number of alternatives of the number of repeated transmissions of the TB and the number of alternatives of the MCS. For example, M1 bits are used to indicate the number of repeated transmissions, and M2 bits are used to indicate MCS, so that at least M1+ M2 bits are consumed altogether. In this embodiment, the joint indication information indicates the mapping relationship between the number of repeated transmissions of the TB and the MCS, for example, N (N is less than M1+ M2) bits may be used to indicate all the mapping relationships, and after receiving the N bits of joint indication information, the terminal can determine the number of repeated transmissions and the MCS indicated by the base station, thereby reducing signaling overhead.

table 1 is a mapping relationship table between joint indication information, retransmission times and MCS:

TABLE 1

the number of retransmissions R1, R2, R3, and R4 in table 1 can be any positive integer.

in some embodiments, R1, R2, R3, and R4 increase in order.

If the mapping relationship between the retransmission times and the MCS in table 1 is adopted, only 5 bits are needed to simultaneously complete the indication of the retransmission times and the MCS level.

The TB in this embodiment may be a TB allocated to the MTC terminal. In this embodiment, it is considered that most MTC terminals are located indoors or other places with poor network coverage conditions, and at the same time, MTC terminals are relatively weak devices compared to non-MTC terminals (e.g., mobile phone terminals). Therefore, coverage enhancement is required for MTC terminals, for example, the same content is repeatedly transmitted in multiple transmission time units, and a receiving end (e.g., MTC terminal) performs information recovery in conjunction with the repeatedly transmitted content. The number of repeated transmissions is generally set according to the channel conditions. The worse the channel condition, the greater the number of repeated transmissions.

specifically, there are two coverage enhancement modes for MTC, coverage enhancement mode a and coverage enhancement mode B.

Coverage enhancement mode a applies to better channel conditions and therefore the number of repeated transmissions that can be supported in coverage enhancement mode a is relatively small.

Coverage enhancement mode B is typically applied in cases where channel conditions are poor, and therefore the number of repeated transmissions that can be supported is large.

in both coverage increase modes, the base station first configures a plurality of selectable retransmission times, such as 4 selectable retransmission times, for the terminal through higher layer signaling (e.g., RRC signaling). The base station sets a proper repeated transmission time in a plurality of alternative repeated transmission times according to the current channel condition and MCS selection of the user, and indicates the repeated transmission time in the DCI. The higher layer signaling here may be signaling above the physical layer, e.g., through Medium Access Control (MAC) layer signaling or Radio Resource Control (RRC) signaling layer signaling.

The MTC terminal supports different modulation and demodulation schemes to cope with different channel scenarios. For example, in MTC coverage enhancement mode a, MCS in 16 is supported. The 16 MCSs may carry different numbers of bits in different resource allocations.

in table 2, IMCS is the number of MCS level, and ITBS is the number of corresponding TBS. NPRB is the amount of physical resources allocated to a user. The numbers in table 2 indicate information bits carried by data blocks transmitted under different modulation and coding schemes and different resource configurations. For example, when the IMCS is 9 and the NPRB is 6, the size of the corresponding data block is 936.

TABLE 2

Transport Block Set (TBS) in table 2 refers to a combination of PRB allocation and MCS level.

One MPDCCH message of an MTC terminal may be used to schedule one MTC terminal physical downlink shared channel (MPDSCH) or Physical Uplink Shared Channel (PUSCH). The MTC terminal needs to receive and blindly detect the MPDCCH before receiving or sending data. When the MTC terminal sends a data packet or a data packet with a large data size, the data packet can be completed through several rounds of scheduling.

In most cases, due to similar channel conditions, the scheduling contents of several MPDCCH are similar. Even in this case, the terminal still needs to demodulate the MPDCCH scheduled each time, consuming power. In order to reduce power consumption, in the embodiment of the present application, an MPDCCH scheduling method shown in fig. 3 for an MTC terminal is provided.

In fig. 3, an MPDCCH message for a time instant schedules transmission of the MPDSCH for 4 time instants. In fig. 3, the 4 mpdchs are MPDSCH1, MPDSCH2, MPDSCH3 and MPDSCH 4.

the joint indication information in this embodiment may be information carried in an MPDCCH message. The MPDCCH message is a message transmitted using MPDCCH. Under the MTC coverage enhancement mode a, at most 8 downlink-received TBs can be scheduled by a DCI delivered by an MPDCCH. In coverage enhancement mode B, a DCI transmitted by one MPDCCH can schedule 4 downlink received TBs at most. In this embodiment, the joint indication information sent by the base station may be DCI sent when the MTC terminal is in the enhanced coverage mode a or the enhanced coverage mode B.

in some embodiments, the mapping relationship between the number of repeated transmissions of the TB and the MCS includes:

The number of repeated transmission of the TB and different MCS levels.

As can be seen from table 1, the number of retransmissions R1, R2, R3, and R4 all correspond to different MCS levels; and the bit values of the 5 bits corresponding to different mapping relationships are different, so that the terminal can definitely know the retransmission times and the MCS level indicated by the current base station by receiving the joint indication information of the 5 bits issued by the base station.

In this embodiment, when the mapping relationship between the MCS level and the number of retransmissions is established, the enhanced coverage effect and the number of retransmissions are considered in balance, so as to ensure the receiving success rate of the receiving terminals such as the MTC terminals.

in some embodiments, the mapping relationship between the number of repeated transmissions of the TB and the different MCS levels includes:

A first set of counts, and a mapping relationship between the MCS levels above a first threshold, wherein the first set of counts includes: one or more number of repeated transmissions;

and/or the presence of a gas in the gas,

A second set of times, wherein the second set of times comprises: one or more number of repeated transmissions;

The second times set and the first times set contain different numbers of repeated transmission times, and/or the repeated transmission times are different at least one.

For example, the MTC terminals support 16 MCS levels, which are 0 to 15. The first threshold here is a level threshold of the MCS level.

in this embodiment, the first set of times and the second set of times comprise at least one number of repeated transmissions. The first frequency set and the second frequency set contain different numbers of repeated transmission times, or the numbers are the same but the values of the repeated transmission times are different.

In this embodiment, the MCS level supported by the terminal is at least ranged into two sub-ranges based on the first threshold, and a first order set and a second order set are respectively set for the two sub-ranges. In this way, the joint indication information can simply and conveniently tell the terminal the number of times of the repeated transmission of the TB indicated by the current base station and the MCS level allowed to be used by the terminal by indicating the mapping relationship.

in some embodiments, the issuing the joint indication information according to the mapping relationship between the number of times of the repeated transmission of the transport block TB and the modulation and coding scheme MCS includes:

And issuing joint indication information according to the repeated transmission times of the TB and the mapping relation between the MCS and the TB number, wherein the joint indication information is also used for indicating the TB number by indicating the mapping relation.

in this embodiment, the mapping relationship is further a mapping relationship among the number of retransmissions, MCS, and TB.

The TB number is the number of different TBs, i.e., the number of TBs transmitting different contents. The number of TBs is related to the amount of data that the terminal needs to transmit.

Table 3 shows a mapping relationship between the number of repeated transmissions of the TB, the MCS, and the number of TBs according to the embodiment of the present application.

TABLE 3

In this embodiment, the joint indication information can be completely carried by one information field, and the indicated number of repeated transmissions, TB number and MCS level save signaling overhead again.

For example, the mapping relationship between the number of retransmissions, MCS and the number of TBs is defined in table 3, and the indication can be completed by using only 6 bits.

in some embodiments, as shown in fig. 4, the method provided in the embodiments of the present application may specifically be:

and issuing the joint indication information according to the repeated transmission times of the TB and the mapping relation between the MCS and the TB number.

the mapping relationship between the number of repeated transmission of the TB and the MCS and the number of the TB comprises the following steps:

A third time set, which is a mapping relation between the first TB number and the first MCS set, wherein the third time set comprises at least one repeated transmission time; the first MCS set comprises at least one MCS level;

And/or the presence of a gas in the gas,

A fourth set of times, a mapping relation between the second TB number and the second MCS set,

wherein the fourth number set comprises at least one number of repeated transmissions; the second MCS set contains at least one MCS level.

referring to table 3, if the first TB number is 1, the MCS levels may be 0 to 15, i.e., the first MCS set may include MCS levels numbered 0 to 15. Meanwhile, the corresponding number of retransmissions may be varied among R1 to R4 based on the first TB number and the MCS level.

For another example, if the second number is 2, the MCS levels may be 9 to 15, i.e., the second MCS set may include MCS levels numbered 9 to 15. Meanwhile, the corresponding number of retransmissions may be varied among R3 to R4 based on the second TB number and the MCS level.

As another example, the first TB number is 3, and the MCS levels may be 11 and 13, i.e., the first MCS set may include MCS levels numbered 0 and 13. Meanwhile, the corresponding number of retransmissions may be varied among R3 to R4 based on the first TB number and the MCS level.

in some embodiments, the second TB number is greater than the first TB number;

The second MCS set comprises a larger number of MCS levels than the first MCS set comprises;

The number of the repeated transmission times contained in the third time set is more than that contained in the fourth time set; and/or the average value of the repeated transmission times contained in the third time set is smaller than the average value of the repeated transmission times contained in the fourth time set.

by adopting the setting mode, the receiving effect of the repeated transmission times, the MCS levels allowed to be used by the terminal and the TB number on the terminal can be well balanced, and meanwhile, the terminal is informed of the repeated transmission times, and one or two of the MCS levels and the TB number at one time by the indication of the mapping relation through the joint indication information.

In some embodiments, the mapping relationship may be: the mapping relation in the communication protocol is written in advance, and thus the mapping relation is written when the terminal leaves a factory or the base station is established.

In some embodiments, the mapping relationship may be a pre-negotiated mapping relationship, for example, a mapping relationship sent by the base station in a broadcast message or a multicast message. In short, both the base station and the terminal know any mapping relation in advance, and when the base station issues the joint indication information, the base station queries the mapping relation according to the requirement of the repeated transmission times and issues the joint indication information.

as shown in fig. 5, the present embodiment provides an information determining method, including:

step S210: receiving joint indication information;

Step S220: and determining the repeated transmission times of the TB and determining the MCS according to the mapping relation indicated by the joint indication information.

the information determining method in this embodiment is applied to a terminal, for example, the MTC terminal. The terminal receives the joint indication information instead of the individual indication information which individually indicates one information content.

After receiving the joint indication information, it is necessary to know the MCS while knowing the number of retransmissions according to the mapping relationship corresponding to the joint indication information.

Therefore, the terminal knows the repeated transmission times and the MCS at the same time through the receiving of the joint indication information, and the received signaling overhead is reduced.

in some embodiments, the method further comprises:

and determining the TB number according to the mapping relation indicated by the joint indication information.

In this embodiment, the mapping relationship may be a mapping relationship between the number of retransmissions and the MCS, or a mapping relationship between the number of retransmissions, the MCS, and the number of TBs. If the mapping relationship is the mapping relationship among the three, the terminal also determines the TB number according to the joint indication information.

In this embodiment, the mapping relationship between the number of retransmissions and the MCS, or the mapping relationship between the number of retransmissions, the MCS, and the number of TBs can be referred to the foregoing embodiment, and will not be repeated here.

As shown in fig. 6, the present embodiment provides an information indicating apparatus including:

and the issuing module is configured to issue the joint indication information according to a mapping relation between the number of repeated transmissions of the transport block TB and the Modulation and Coding Scheme (MCS), wherein the joint indication information is used for indicating the number of repeated transmissions of the scheduled TB and indicating the MCS at the same time by indicating the mapping relation.

The issuing module provided in this embodiment may be a program module, and after being executed by the processor, the program module can implement issuing of the joint instruction information.

In some embodiments, the apparatus may further comprise: a storage module; the storage module may be configured to store the mapping relationship and/or the joint indication information.

In other embodiments, the issuing module may be a software and hardware combination module; the soft and hard combination module can be various programmable arrays; programmable arrays include, but are not limited to, complex programmable arrays or field programmable arrays.

in still other embodiments, the issuing module may be a pure hardware module; pure hardware modules include, but are not limited to, application specific integrated circuits.

the number of repeated transmission of the TB and different MCS levels.

And/or the presence of a gas in the gas,

in some embodiments, the mapping relationship between the number of repeated transmissions of the TB and the MCS and the number of TBs includes:

and/or the presence of a gas in the gas,

in some embodiments the second TB number is greater than the first TB number;

as shown in fig. 7, the present embodiment provides an information determining apparatus including:

A receiving module 210 configured to receive the joint indication information;

And a determining module 220 configured to determine the number of repeated transmissions of the TB and determine the MCS according to the mapping relationship indicated by the joint indication information.

The receiving module 210 and the determining module 220 provided in this embodiment may be program modules, and the program modules, after being executed by a processor, can implement receiving of the joint indication information, determining of the number of retransmissions and the MCS.

In other embodiments, the receiving module 210 and the determining module 220 may be a combination of hardware and software modules; the soft and hard combination module can be various programmable arrays; programmable arrays include, but are not limited to, complex programmable arrays or field programmable arrays.

In still other embodiments, the receiving module 210 and the determining module 220 may be pure hardware modules; pure hardware modules include, but are not limited to, application specific integrated circuits.

In some embodiments, the determining module 220 is further configured to determine the number of TBs according to the mapping relationship indicated by the joint indication information.

Several examples are provided below in connection with any of the embodiments described above:

Example 1:

the information domains are compressed by using the characteristics of multi-TB scheduling and the relation among the information domains, and joint coding is carried out simultaneously to achieve the purpose of reducing signaling overhead.

And compressing the information domains by utilizing the relation among different information domains, and simultaneously carrying out joint coding. The MCS selection and the setting of the number of repeated transmissions are set based on the channel conditions.

If a higher level MCS can be set under the same channel condition, the number of retransmissions increases.

in another case, a lower MCS level is set, and the number of retransmissions is relatively small.

With this benefit, the MCS and the number of retransmissions can be jointly encoded to obtain the joint coding information.

in the case of multi-TB scheduling, the data amount of a packet is generally large. In order to reduce the number of transmissions, the amount of data for transmitting a data block is limited, e.g. only large data blocks are allowed to be transmitted, in case the scheduled ratio of TBs is large. Then a larger MCS needs to be selected at this time, and with this benefit, the number of scheduled TBs and MCS can be jointly encoded. And simultaneously, joint coding can be carried out on the MCS, the repeated transmission times and the scheduled TB number.

example 2:

suppose the base station configures the user with an optional number of repeated transmissions { R1, R2, R3, R4 }. When the MCS of a specific level is selected, the number of selectable retransmission times is limited, for example, when the MCS level is less than the threshold X1, the number of selectable retransmission times is only { R1, R2}, and when the MCS level is greater than the threshold, the number of selectable retransmission times is { R3, R4 }.

The MCS and the corresponding selectable number of iterative transmissions are jointly encoded, and a mapping relationship among the joint indication information, the MCS, and the number of iterative transmissions as shown in table 1 is generated.

Example 3:

And scheduling the compression and the joint coding between the TB number and the MCS to obtain the joint indication information. More MCS levels may be used when the number of scheduled TBs is less than the threshold Y1, and the amount of MCS levels used is limited when the number of scheduled TBs is greater than the threshold.

There may be one or more TB number thresholds determined as described above. The threshold may be fixed protocol or configured by high layer signaling.

for example, when the number of scheduled TBs is 1, all MCS levels may be used at this time, when the number of scheduled TBs is 2, only four of the MCS levels may be used at this time, and when the number of scheduled TBs is greater than 2, two of the MCS levels may be used at this time.

Table 4 shows a mapping relationship among the joint indication information, the number of TBs, and the MCS level provided in this example.

TABLE 4

Example 4:

Compressed and joint coding between scheduling TB, MCS and number of retransmissions

the method is a combination of the first method and the second method, namely, the MCS level is limited under different TB numbers, the repeated transmission times are limited under the specific MCS, and the TB number, the MCS level and the repeated transmission times are jointly coded. In summary, in the embodiment of the present application, the selectable number of repeated transmissions is limited under different MCSs, and joint coding is performed to obtain joint indication information. And limiting MCS selection under different scheduling TB numbers and performing joint coding. The mapping provided by this example may be as shown in table 3 above.

The present embodiment also provides a communication device, including:

An antenna;

A memory;

and the processor is respectively connected with the antenna and the memory and is used for controlling the antenna to transmit and receive wireless signals by executing the executable program stored in the memory and executing the steps of the information indication method and/or the information determination method provided by any of the previous embodiments.

the communication device provided in this embodiment may be the aforementioned terminal or base station. The terminal can be various human-borne terminals or vehicle-borne terminals. The base stations may be various types of base stations, such as 4G base stations or 5G base stations, and so on.

The antenna may be various types of antennas, for example, a mobile antenna such as a 3G antenna, a 4G antenna, or a 5G antenna; the antenna may further include: a WiFi antenna or a wireless charging antenna, etc.

the memory may include various types of storage media, which are non-transitory computer storage media capable of continuing to remember the information stored thereon after a communication device has been powered down.

The processor may be connected to the antenna and the memory via a bus or the like for reading the executable program stored on the memory, by an information indication method and/or an information determination method or the like as shown in, for example, fig. 2, fig. 4 and/or fig. 5.

the present application implementation also provides a non-transitory computer readable storage medium storing an executable program, where the executable program when executed by a processor implements the steps of the information indication method and/or the information determination method provided by any of the foregoing embodiments, for example, at least one of the methods shown in fig. 2, fig. 4, and/or fig. 5.

Fig. 8 illustrates a terminal, which may be embodied as a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like, according to an example embodiment.

Referring to fig. 8, terminal 800 may include one or more of the following components: processing component 802, memory 804, power component 806, multimedia component 808, audio component 810, input/output (I/O) interface 812, sensor component 814, and communication component 816.

the processing component 802 generally controls overall operation of the terminal 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.

the memory 804 is configured to store various types of data to support operation at the terminal 800. Examples of such data include instructions for any application or method operating on terminal 800, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

Power components 806 provide power to the various components of terminal 800. Power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for terminal 800.

The multimedia component 808 includes a screen that provides an output interface between the terminal 800 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the terminal 800 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the terminal 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.

The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

Sensor assembly 814 includes one or more sensors for providing various aspects of state assessment for terminal 800. For example, sensor assembly 814 can detect an open/closed state of terminal 800, the relative positioning of components, such as a display and keypad of terminal 800, sensor assembly 814 can also detect a change in position of terminal 800 or a component of terminal 800, the presence or absence of user contact with terminal 800, orientation or acceleration/deceleration of terminal 800, and a change in temperature of terminal 800. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

Communication component 816 is configured to facilitate communications between terminal 800 and other devices in a wired or wireless manner. The terminal 800 may access a wireless network based on a communication standard, such as Wi-Fi, 2G, or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, communications component 816 further includes a Near Field Communications (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

in an exemplary embodiment, the terminal 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.

In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 804 comprising instructions, executable by the processor 820 of the terminal 800 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

Fig. 9 is a schematic diagram of a base station. Referring to fig. 9, base station 900 includes a processing component 922, which further includes one or more processors and memory resources, represented by memory 932, for storing instructions, e.g., applications, that are executable by processing component 922. The application programs stored in memory 932 may include one or more modules that each correspond to a set of instructions. Further, the processing component 922 is configured to execute instructions.

The base station 900 may also include a power supply component 926 configured to perform power management of the base station 900, a wired or wireless network interface 950 configured to connect the base station 900 to a network, and an input/output (I/O) interface 958. The base station 900 may operate based on an operating system stored in memory 932, such as Windows Server, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, or the like.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. An information indication method is applied to a base station, and comprises the following steps:

And issuing joint indication information according to the mapping relation between the repeated transmission times of the transport blocks TB and the modulation coding strategy MCS, wherein the joint indication information is used for indicating the repeated transmission times of the scheduled TB and indicating the MCS at the same time by indicating the mapping relation.

2. the method of claim 1, wherein,

The mapping relationship between the number of repeated transmissions of the TB and the MCS includes:

And the mapping relation between the repeated transmission times of the TB and different MCS levels.

3. the method of claim 2, wherein the mapping relationship between the number of repeated transmissions of the TB and different MCS levels comprises:

A first set of counts, and a mapping relationship between MCS levels above a first threshold, wherein the first set of counts comprises: one or more of the number of repeated transmissions;

and/or the presence of a gas in the gas,

a second set of times, wherein the second set of times comprises: one or more of the number of repeated transmissions;

The second times set and the first times set comprise different numbers of repeated transmission times, and/or comprise at least one different repeated transmission time.

4. The method of claim 1, wherein the issuing the joint indication information according to the mapping relationship between the number of repeated transmissions of the transport block TB and the modulation and coding scheme MCS comprises:

and issuing the joint indication information according to the repeated transmission times of the TB and the mapping relation between the MCS and the TB number, wherein the joint indication information is also used for indicating the TB number by indicating the mapping relation.

5. The method of claim 4, wherein the mapping relationship between the number of repeated transmissions of the TB and the MCS and the number of TBs comprises:

And/or the presence of a gas in the gas,

Wherein the fourth set of numbers comprises at least one number of repeated transmissions; the second MCS set includes at least one MCS level.

6. the method of claim 5, wherein,

The second TB number is greater than the first TB number;

7. An information determination method is applied to a terminal, and comprises the following steps:

receiving joint indication information;

8. the method of claim 7, wherein the method further comprises:

9. An information indicating device, comprising:

10. the apparatus of claim 9, wherein a mapping relationship between the number of repeated transmissions of the TB and the MCS comprises:

11. the apparatus of claim 10, wherein the mapping relationship between the number of repeated transmissions of the TB and different MCS levels comprises:

And/or the presence of a gas in the gas,

12. The apparatus of claim 9, wherein the issuing of the joint indication information according to the mapping relationship between the number of repeated transmissions of the transport block TB and the modulation and coding scheme MCS comprises:

13. the apparatus of claim 12, wherein the mapping relationship between the number of repeated transmissions of the TB and the MCS and the number of TBs comprises:

And/or the presence of a gas in the gas,

14. the apparatus of claim 13, wherein,

The second TB number is greater than the first TB number;

15. An information determining apparatus, comprising:

a receiving module configured to receive joint indication information;

16. The apparatus of claim 15, wherein the determining module is further configured to determine the number of TBs according to a mapping relationship indicated by the joint indication information.

17. a communication device, comprising:

An antenna;

a memory;

a processor, coupled to the antenna and the memory, respectively, configured to control transceiving of the antenna by executing computer-executable instructions stored on the memory, and capable of implementing the method provided by any one of claims 1 to 6 or 7 to 8.

18. A computer storage medium having stored thereon computer-executable instructions capable, when executed by a processor, of carrying out the method as claimed in any one of claims 1 to 6 or 7 to 8.