CN115189807A - Method, device, terminal and network side equipment for determining and indicating HARQ (hybrid automatic repeat request) process number - Google Patents

Method, device, terminal and network side equipment for determining and indicating HARQ (hybrid automatic repeat request) process number Download PDF

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CN115189807A
CN115189807A CN202110363370.1A CN202110363370A CN115189807A CN 115189807 A CN115189807 A CN 115189807A CN 202110363370 A CN202110363370 A CN 202110363370A CN 115189807 A CN115189807 A CN 115189807A
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process number
harq process
terminal
indication
information
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CN115189807B (en
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王振
孙伟
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

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  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

The application discloses a method, a device, a terminal and a network side device for determining and indicating a HARQ process number, and belongs to the technical field of communication. The method for indicating the HARQ process number comprises the following steps: the terminal determines a first HARQ process number according to a first indication domain and a first HARQ process number domain in downlink control information DCI, wherein the first indication domain and the first HARQ process number domain are different domains. The technical scheme of the embodiment of the application can indicate the number of more than 16 HARQ processes.

Description

Method, device, terminal and network side equipment for determining and indicating HARQ (hybrid automatic repeat request) process number
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method, an apparatus, a terminal, and a network device for determining and indicating a HARQ process number.
Background
In the related art, a Hybrid Automatic Repeat reQuest (HARQ) process number (process number) field in a Downlink Control Information (DCI) format has only 4 bits, and cannot indicate the number of HARQ processes greater than 16.
Disclosure of Invention
The embodiment of the application provides a method, a device, a terminal and a network side device for determining and indicating HARQ process numbers, which can indicate the number of HARQ processes larger than 16.
In a first aspect, an embodiment of the present application provides a method for indicating a HARQ process number, where the method includes:
the terminal determines a first HARQ process number according to a first indication domain and a first HARQ process number domain in Downlink Control Information (DCI), wherein the first indication domain and the first HARQ process number domain are different domains.
In a second aspect, an embodiment of the present application provides a method for indicating a HARQ process number, where the method includes:
the method comprises the steps that network side equipment sends first information to a terminal, wherein the first information is used for indicating the terminal to determine an HARQ process number according to a first indication domain in Downlink Control Information (DCI), and the first indication domain and the first HARQ process number domain in the DCI are different domains.
In a third aspect, an embodiment of the present application provides an apparatus for indicating a HARQ process number, where the apparatus is applied to a terminal, and the apparatus includes:
and the processing module is used for determining a first HARQ process number according to a first indication domain and a first HARQ process number domain in the DCI, wherein the first indication domain and the first HARQ process number domain are different domains.
In a fourth aspect, an embodiment of the present application provides an apparatus for indicating a HARQ process number, where the apparatus is applied to a network side device, and the apparatus includes:
a sending module, configured to send first information to a terminal, where the first information is used to instruct the terminal to determine an HARQ process number according to a first indication field in downlink control information DCI, and the first indication field and the first HARQ process number field in the DCI are different fields.
In a fifth aspect, there is provided a terminal comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method according to the first aspect.
A sixth aspect provides a terminal, including a processor and a communication interface, where the processor is configured to determine a first HARQ process number according to a first indication field and a first HARQ process number field in DCI, where the first indication field and the first HARQ process number field are different fields. In a seventh aspect, a network side device is provided, which includes a processor, a memory, and a program or an instruction stored in the memory and executable on the processor, and when executed by the processor, the program or the instruction implements the steps of the method according to the second aspect.
In an eighth aspect, a network side device is provided, including a processor and a communication interface, where the communication interface is configured to send first information to a terminal, the first information is used to instruct the terminal to determine an HARQ process number according to a first indication field in downlink control information DCI, and the first indication field and a first HARQ process number field in the DCI are different fields.
In a ninth aspect, there is provided a readable storage medium having stored thereon a program or instructions which, when executed by a processor, carries out the steps of the method of the first aspect or carries out the steps of the method of the second aspect.
In a tenth aspect, a chip is provided, the chip comprising a processor and a communication interface, the communication interface being coupled to the processor, the processor being configured to execute a program or instructions to implement the method according to the first aspect, or to implement the method according to the second aspect.
In an eleventh aspect, there is provided a computer program/program product stored on a non-volatile storage medium, the program/program product being executable by at least one processor to implement the steps of the method according to the first or second aspect.
In the embodiment of the present application, the HARQ process number may be indicated by the first indication field and the first HARQ process number field, so that a HARQ process number greater than 16 may be indicated. In addition, the number of bits in the DCI is not increased, the number of blind checks and the number of CRC checks of the DCI are not increased, bits do not need to be reserved in the DCI, and the link performance is not affected.
Drawings
FIG. 1 shows a schematic diagram of a wireless communication system;
FIG. 2 is a schematic diagram illustrating signal propagation delays for a satellite communications network;
fig. 3 is a flowchart illustrating a method for indicating HARQ process numbers performed by a terminal according to an embodiment of the present application;
fig. 4 is a flowchart illustrating a method for indicating a HARQ process number executed by a network device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an indicating apparatus for indicating an HARQ process number applied to a terminal according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an indication apparatus of an HARQ process number applied to a network side device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 8 is a schematic diagram showing the composition of a terminal according to an embodiment of the present application;
fig. 9 is a schematic diagram illustrating a configuration of a network device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived from the embodiments given herein by a person of ordinary skill in the art are intended to be within the scope of the present disclosure.
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 terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in other sequences than those illustrated or otherwise described herein, and that the terms "first" and "second" used herein generally refer to a class and do not limit the number of objects, for example, a first object can be one or more. In addition, "and/or" in the specification and claims means at least one of connected objects, and a character "/" generally means that the former and latter related objects are in an "or" relationship.
It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-a) systems, but may also be used in other 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" in the embodiments of the present application are often used interchangeably, and the described techniques can be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. The following description describes a New Radio (NR) system for purposes of example, and NR terminology is used in much of the description below, but the techniques may also be applied to applications other than NR system applications, such as 6 th generation (6 th generation) th Generation, 6G) communication system.
Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network-side device 12. Wherein, the terminal 11 may also be called as a terminal Device or a User Equipment (UE), the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer) or a notebook Computer, a Personal Digital Assistant (PDA), a palmtop Computer, a netbook, a super-Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), a Wearable Device (Wearable Device) or a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), and other terminal side devices, the Wearable Device includes: smart watches, bracelets, earphones, glasses, and the like. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network-side device 12 may be a Base Station or a core network, wherein the Base Station may be referred to as a node B, an evolved node B, an access Point, a Base Transceiver Station (BTS), a radio Base Station, a radio Transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a home node B, a WLAN access Point, a WiFi node, a Transmission Receiving Point (TRP), or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base Station is not limited to a specific technical vocabulary, and it should be noted that, in the embodiment of the present application, only the Base Station in the NR system is taken as an example, but the specific type of the Base Station is not limited, and the core network device may be a location management device, such as a location management function (LMF, slemc), and the like.
In a non-Terrestrial Network (NTN) for satellite communication, due to a large distance between the NTN and a terminal, a signal propagation delay Tp is large, as shown in fig. 2, and further a Round Trip Time (RTT) of receiving HARQ-ACK (acknowledgement) from a data transmission end to a receiving end is large:
T p ＝T p1 +T p2
RTT＝2*T p +2*T slot +T proc1 +T proc2
wherein, T slot For transmission time of data, T proc1 Processing time, T, required for the UE to finish receiving the data and feed back ACK/NACK proc2 Processing time, T, required for the base station to receive the ACK/NACK until the next transmission p1 For one-way propagation delay, T, from satellite to base station p2 Is the one-way propagation delay from the terminal to the satellite.
In order to ensure the peak rate, or continuous transmission of data per UE, between RTTs, there needs to be enough HARQ processes for data transmission, so the minimum number of HARQ processes N HARQ，min The following formula needs to be satisfied:
Figure BDA0003006443700000051
table 1 gives the maximum RTT values and the minimum HARQ process numbers for different satellites in the NTN for terrestrial network and satellite communication:
TABLE 1
Figure BDA0003006443700000061
In addition, the number of HARQ processes also needs to consider the capability and implementation complexity of the terminal, and in some discussions, the maximum number of HARQ processes is extended to 32.
The number of HARQ processes (HARQ process number) in the existing DCI formats 0-0,0-1,1-0,1-1 is indicated to be 4 bits, the maximum number of HARQ processes which can be indicated is 16, and the numbers of 16-31 HARQ processes cannot be indicated and determined.
An embodiment of the present application provides a method for indicating a HARQ process number, and as shown in fig. 3, the method includes:
step 101: the terminal determines a first HARQ process number according to a first indication domain and a first HARQ process number domain in Downlink Control Information (DCI), wherein the first indication domain and the first HARQ process number domain are different domains.
In the embodiment of the present application, the HARQ process number may be indicated jointly by the first indication field and the first HARQ process number field, so that a HARQ process number greater than 16 may be indicated. In addition, the number of bits in the DCI is not increased, the number of blind checks and the number of CRC checks of the DCI are not increased, bits do not need to be reserved in the DCI, and the link performance is not affected.
The terminal may determine the first HARQ process number according to a first indication field and a first HARQ process number field in the DCI according to preconfiguration or network side device configuration or protocol agreement or a decision of the terminal.
In some embodiments, the method further comprises:
the terminal acquires first information of network side equipment, wherein the first information is used for indicating the terminal to determine an HARQ process number according to the first indication domain.
In some embodiments, the terminal acquires the first information by at least one of:
a radio resource control, RRC, message;
media intervention control MAC control element CE.
Therefore, the first information can be notified to the terminal through the original RRC message or the MAC CE, and the first information can be notified to the terminal without adding extra signaling.
In some embodiments, the first information comprises at least one of:
HARQ configuration information, where the HARQ configuration information indicates that the configured HARQ process number is greater than a first value, where the first value may be 16, and may also be a value greater than 16;
the method comprises the steps that mcs-Table configuration information of a coding modulation scheme Table indicates that mcs-Table configuration in RRC information is qam64;
the first indication field can be used for jointly determining an enabling indication of a HARQ process number;
the first indication information is used for indicating that the highest bit of the first indication domain is used for jointly determining the HARQ process number;
second indication information for indicating that the lowest bits of the first indication field are used for jointly determining a HARQ process number.
In some embodiments, the determining, by the terminal, a first HARQ process number according to the first indication field and the first HARQ process number field in the DCI includes:
and the terminal determines the HARQ process number according to the N bits in the first indication domain and the M bits in the HARQ process number domain, wherein N and M are positive integers.
Wherein, the HARQ process number field has 4 bits in total, and the value of M may be equal to 4 or less than 4; the first indication field has L bits in total, and the value of N may be equal to L or less than L.
In some embodiments, the first indication field is a Modulation and Coding Scheme (MCS) field. Of course, the first indication field is not limited to the MCS field, and may be another field in the DCI.
In some embodiments, the N bits are the lowest N bits in the first indication field; or
The N bits are the highest N bits in the first indication field.
In some embodiments, the N bits are the lowest N bits of L bits of the MCS field, L is a positive integer, and N is less than L; or
The N bits are the highest N bits in the L bits of the MCS domain, and N is smaller than L.
In some embodiments, the terminal uses the N bits as the highest bit, and forms (N + M) bits with M bits of the first HARQ process number field, to determine the first HARQ process number; or
And the terminal takes the N bits as the lowest bit, forms (N + M) bits with the M bits of the first HARQ process number domain, and determines the first HARQ process number.
In some embodiments, the method further comprises any one of:
if the lowest bit of the MCS domain is used for indicating the HARQ process number, the terminal determines the coding modulation mode indicated by the DCI according to all L bits of the MCS domain;
and if the highest bit of the MCS domain is used for indicating the HARQ process number, the terminal determines the code modulation mode indicated by the DCI according to the rest (L-N) bits of the MCS domain.
In some embodiments, before the terminal acquires the first information, the method further includes:
the terminal reports the capability of the terminal supporting the number of the HARQ processes to the network side device, that is, reports whether the terminal supports the capability of more than 16 HARQ processes, for example, whether the terminal supports the capability of 32 HARQ processes.
An embodiment of the present application further provides a method for indicating a HARQ process number, as shown in fig. 4, the method includes:
step 201: the method comprises the steps that network side equipment sends first information to a terminal, wherein the first information is used for indicating the terminal to determine an HARQ process number according to a first indication domain in Downlink Control Information (DCI), and the first indication domain and the first HARQ process number domain in the DCI are different domains.
In some embodiments, the network side device sends the first information by at least one of:
a radio resource control, RRC, message;
media intervention control MAC control element CE.
Thus, the first information can be notified to the terminal through the original RRC message or MAC CE without adding additional signaling.
In some embodiments, the first information comprises at least one of:
HARQ configuration information, wherein the HARQ configuration information indicates that the number of configured HARQ processes is greater than a first value;
the method comprises the steps that mcs-Table configuration information of a coding modulation scheme Table indicates that mcs-Table configuration in RRC information is qam64;
the first indication field can be used for jointly determining an enabling indication of a HARQ process number;
the first indication information is used for indicating that the highest bit of the first indication domain is used for jointly determining the HARQ process number;
second indication information for indicating that the lowest bits of the first indication field are used for jointly determining a HARQ process number.
In some embodiments, the first indication field is a coded modulation scheme, MCS, field. Of course, the first indication field is not limited to the MCS field, and may be another field in the DCI.
In some embodiments, before the network side device sends the first information to the terminal, the method further includes:
the network side equipment receives the HARQ process number supporting capacity reported by the terminal;
the network side equipment sends first information to the terminal, and the first information comprises the following steps:
and if the number of the HARQ processes supported by the terminal is larger than a first value, the network side equipment sends the first information to the terminal.
The first value may be 16 or a value greater than 16. And if the network side equipment determines that the number of the HARQ processes which can be supported by the terminal is more than 16, and if the number of the HARQ processes is 32, the first information is sent to the terminal. And if the network side equipment determines that the number of the HARQ processes which can be supported by the terminal is less than or equal to 16, the first information is not sent to the terminal.
In a specific embodiment, a terminal reports the supported maximum number of HARQ processes, and a network side device determines whether to send first information according to the supportable maximum number of HARQ processes of the terminal, where the first information is used to instruct the terminal to determine a HARQ process number by using an MCS field in DCI.
In a specific example, the network side device determines that the number of HARQ processes that the terminal can support is greater than 16, and if 32, configures the number of HARQ processes of the terminal to be 32 through an RRC message, and at this time, the terminal determines the first HARQ process number by using a preconfigured MCS field and an HARQ process number field in combination.
In another specific example, the network side device determines that the number of HARQ processes that the terminal can support is greater than 16, and if 32 is determined, configures the number of HARQ processes of the terminal to be 32 through an RRC message, at this time, the terminal of a non-terrestrial network (NTN) defaults to use an MCS table of qam64LowSE, configures MCS-tab through the RRC message, and if qam64 is determined, instructs the terminal to determine an HARQ process number using an MCS field in DCI, at this time, the terminal determines the first HARQ process number using the preconfigured MCS field and the HARQ process number field in combination.
In another specific example, the network side device determines that the number of HARQ processes that the terminal can support is greater than 16, and if 32, instructs the terminal to determine the first HARQ process number by using one of the following schemes through an RRC message:
(1) Determining a first HARQ process number by taking the lowest bit of the MCS domain as the lowest bit of the HARQ process number;
(2) Determining a first HARQ process number by taking the lowest bit of the MCS domain as the highest bit of the HARQ process number;
(3) Determining a first HARQ process number by taking the highest bit of the MCS domain as the lowest bit of the HARQ process number;
(4) And determining a first HARQ process number by taking the highest bit of the MCS field as the highest bit of the HARQ process number.
In still another specific example, the network side device determines that the number of HARQ processes that the terminal can support is greater than 16, and if 32, instructs, through the MAC CE, the terminal to determine the first HARQ process number using one of the following schemes:
(1) Determining a first HARQ process number by taking the lowest bit of the MCS domain as the lowest bit of the HARQ process number;
(2) Determining a first HARQ process number by taking the lowest bit of the MCS domain as the highest bit of the HARQ process number;
(3) Determining a first HARQ process number by taking the highest bit of the MCS domain as the lowest bit of the HARQ process number;
(4) And determining the first HARQ process number by taking the highest bit of the MCS field as the highest bit of the HARQ process number.
In another specific example, the terminal may determine the first HARQ process number by using one of the following schemes:
(1) Determining a first HARQ process number by taking the lowest bit of the MCS domain as the lowest bit of the HARQ process number;
(2) Determining a first HARQ process number by taking the lowest bit of the MCS domain as the highest bit of the HARQ process number;
(3) Determining a first HARQ process number by taking the highest bit of the MCS domain as the lowest bit of the HARQ process number;
(4) And determining the first HARQ process number by taking the highest bit of the MCS field as the highest bit of the HARQ process number.
The lowest bit of the MCS field is used for jointly indicating the first HARQ process number, considering that the link adaptation has inaccuracy, when the lowest bit of the MCS field obtained according to the link adaptation is 1 and the HARQ process number indication needs to be 0, the MCS can be reduced by one level; or, when the lowest bit of the MCS field obtained according to the link adaptation is 0 and the HARQ process number indicates that 1 is needed, the MCS may be lowered by one level; in this case, although the link adaptation is affected, the performance is not greatly affected.
After the terminal detects DCI, the terminal determines 5 bits of the MCS domain and 4 bits of the first HARQ process number domain, and determines the first HARQ process number according to the bit combination of the MCS domain and the first HARQ process number domain.
In addition, if the lowest bit of the MCS field is used to jointly indicate the first HARQ process number, the terminal may determine the coded modulation scheme indicated by the DCI according to 5 bits of the MCS field; or, if the highest bit of the MCS field is used to jointly indicate the first HARQ process number, the terminal may determine the coding and modulation scheme indicated by the DCI according to the last 4 bits of the MCS field. Thus, the MCS field can still be used to indicate the MCS without affecting the original role of the MCS.
In this embodiment, the network side device jointly indicates the first HARQ process number according to the MCS field and the first HARQ process number field in the DCI, and the bit number used to indicate the first HARQ process number may be increased from 4 bits to 5 bits, 6 bits, 7 bits, 8 bits, or 9 bits, so that the HARQ process number when the number of HARQ processes is greater than or equal to 16 may be indicated.
The technical scheme of this embodiment does not increase the number of bits in the DCI, does not require bits to be reserved in the DCI, does not increase the DCI blind detection times and the CRC check times, and because each DCI format has an MCS field, each DCI format may be consistent for the processing mode indicating that the number of HARQ processes is greater than 16.
It should be noted that, in the indication method of the HARQ process number provided in the embodiment of the present application, the execution main body may be an indication apparatus of the HARQ process number, or a module in the indication apparatus of the HARQ process number, which is used for executing the indication method for loading the HARQ process number. In the embodiment of the present application, an indication method for loading a HARQ process number performed by an indication apparatus for the HARQ process number is taken as an example, and the indication method for the HARQ process number provided in the embodiment of the present application is described.
An embodiment of the present application provides an apparatus for indicating an HARQ process number, which is applied to a terminal 300, and as shown in fig. 5, the apparatus includes:
a processing module 320, configured to determine a first HARQ process number according to a first indication field and a first HARQ process number field in the DCI, where the first indication field and the first HARQ process number field are different fields.
In some embodiments, the apparatus further comprises:
an obtaining module 310, configured to obtain first information of a network side device, where the first information is used to instruct the terminal to determine an HARQ process number according to the first indication field.
In some embodiments, the obtaining module 310 obtains the first information by at least one of:
a radio resource control, RRC, message;
media intervention control MAC control element CE.
In some embodiments, the first information comprises at least one of:
HARQ configuration information, wherein the HARQ configuration information indicates that the configured number of HARQ processes is greater than a first value;
the method comprises the steps that mcs-Table configuration information is displayed in a coding modulation scheme Table, and the mcs-Table configuration information indicates that mcs-Table configuration in RRC information is qam64;
the first indication field can be used for jointly determining the enabling indication of the HARQ process number;
the first indication information is used for indicating that the highest bit of the first indication domain is used for jointly determining the HARQ process number;
second indication information for indicating that the lowest bits of the first indication field are used for jointly determining a HARQ process number.
In some embodiments, the processing module 320 is specifically configured to determine the HARQ process number according to N bits in the first indication field and M bits in the HARQ process number field, where N and M are positive integers.
In some embodiments, the first indication field is a coded modulation scheme, MCS, field.
In some embodiments, the N bits are the lowest N bits in the first indication field; or
The N bits are the highest N bits in the first indication field.
In some embodiments, the N bits are the lowest N bits of L bits of the MCS field, L is a positive integer, and N is less than L; or
The N bits are the highest N bits of the L bits of the MCS domain, and N is less than L.
In some embodiments, the processing module 320 is specifically configured to use the N bits as the highest bit to form (N + M) bits with M bits of the first HARQ process number field, and determine the first HARQ process number; or
And taking the N bits as the lowest bit, forming (N + M) bits with the M bits of the first HARQ process number field, and determining the first HARQ process number.
In some embodiments, the processing module 320 is further configured to perform any of:
if the lowest bit of the MCS field is used for indicating the HARQ process number, determining the coding modulation mode indicated by the DCI according to all L bits of the MCS field;
and if the highest bit of the MCS field is used for indicating the HARQ process number, determining the coding modulation mode indicated by the DCI according to the residual (L-N) bits of the MCS field.
In some embodiments, the apparatus further comprises:
and the reporting module is used for reporting the capability of the terminal for supporting the HARQ process number to network side equipment.
The indication device of the HARQ process number in the embodiment of the present application may be a device, a device or an electronic device having an operating system, or may be a component, an integrated circuit, or a chip in a terminal. The device or the electronic equipment can be a mobile terminal or a non-mobile terminal. For example, the mobile terminal may include, but is not limited to, the type of the terminal 11 listed above, and the non-mobile terminal may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a television (television), a teller machine (teller machine), a self-service machine (kiosk), or the like, and the embodiments of the present application are not limited in particular.
The indication apparatus for HARQ process numbers provided in the embodiment of the present application can implement each process implemented in the method embodiment of fig. 3, and achieve the same technical effect, and is not described here again to avoid repetition.
An apparatus for indicating HARQ process numbers provided in an embodiment of the present application is applied to a network side device 400, and as shown in fig. 6, the apparatus includes:
a sending module 410, configured to send first information to a terminal, where the first information is used to instruct the terminal to determine an HARQ process number according to a first indication field in downlink control information DCI, and the first indication field and the first HARQ process number field in the DCI are different fields.
In some embodiments, the sending module 410 is configured to send the first information by at least one of:
a radio resource control, RRC, message;
media intervention control MAC control element CE.
In some embodiments, the first information comprises at least one of:
HARQ configuration information, wherein the HARQ configuration information indicates that the configured number of HARQ processes is greater than a first value;
the method comprises the steps that mcs-Table configuration information of a coding modulation scheme Table indicates that mcs-Table configuration in RRC information is qam64;
the first indication field can be used for jointly determining an enabling indication of a HARQ process number;
the first indication information is used for indicating that the highest bit of the first indication domain is used for jointly determining the HARQ process number;
second indication information for indicating that the lowest bits of the first indication field are used for jointly determining a HARQ process number.
In some embodiments, the first indication field is a coded modulation scheme, MCS, field.
In some embodiments, the apparatus further comprises:
a receiving module, configured to receive the HARQ process number supporting capability reported by the terminal;
the sending module 410 is specifically configured to send the first information to the terminal if the number of HARQ processes supported by the terminal is greater than a first value.
The indication apparatus for HARQ process numbers provided in the embodiment of the present application can implement each process implemented in the method embodiment of fig. 4, and achieve the same technical effect, and is not described here again to avoid repetition.
Optionally, as shown in fig. 7, an embodiment of the present application further provides a communication device 500, which includes a processor 501, a memory 502, and a program or instruction stored in the memory 502 and executable on the processor 501, for example, when the communication device 500 is a terminal, the program or instruction is executed by the processor 501 to implement the processes of the above-mentioned embodiment of the indicating method applied to the HARQ process number of the terminal, and the same technical effect can be achieved. When the communication device 500 is a network device, the program or the instruction is executed by the processor 501 to implement the processes of the above-mentioned embodiment of the method for indicating the HARQ process number applied to the network device, and can achieve the same technical effect, and in order to avoid repetition, the details are not repeated here.
The embodiment of the present application further provides a terminal, including a processor and a communication interface, where the communication interface is configured to obtain first information of a network side device, where the first information is used to instruct the terminal to determine an HARQ process number according to a first indication field in DCI, and the first indication field and a first HARQ process number field in the DCI are different fields; the processor is configured to determine a first HARQ process number according to the first indication field and the first HARQ process number field in the DCI. The terminal embodiment corresponds to the terminal-side method embodiment, and all implementation processes and implementation manners of the method embodiment can be applied to the terminal embodiment and can achieve the same technical effect. Specifically, fig. 8 is a schematic diagram of a hardware structure of a terminal for implementing the embodiment of the present application.
The terminal 1000 can include, but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, a processor 1010, and the like.
Those skilled in the art will appreciate that terminal 1000 can also include a power supply (e.g., a battery) for powering the various components, which can be logically coupled to processor 1010 via a power management system to provide management of charging, discharging, and power consumption via the power management system. The terminal structure shown in fig. 8 does not constitute a limitation of the terminal, and the terminal may include more or less components than those shown, or combine some components, or have a different arrangement of components, and thus will not be described again.
It should be understood that, in the embodiment of the present application, the input Unit 1004 may include a Graphics Processing Unit (GPU) 10041 and a microphone 10042, and the Graphics Processing Unit 10041 processes image data of still pictures or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes a touch panel 10071 and other input devices 10072. The touch panel 10071 is also referred to as a touch screen. The touch panel 10071 may include two parts, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
In this embodiment of the application, the radio frequency unit 1001 receives downlink data from a network side device and then processes the downlink data to the processor 1010; in addition, the uplink data is sent to the network side equipment. In general, radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
Memory 1009 may be used to store software programs or instructions and various data. The memory 1009 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instruction (such as a sound playing function, an image playing function, and the like) required for at least one function, and the like. Further, the Memory 1009 may include a high-speed random access Memory, and may further include a nonvolatile Memory, which may be a Read-Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (erasab PROM, EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
Processor 1010 may include one or more processing units; alternatively, processor 1010 may integrate an application processor that handles primarily the operating system, user interface, and application programs or instructions, and a modem processor that handles primarily wireless communications, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into processor 1010.
The processor 1010 is configured to determine a first HARQ process number according to a first indication field and a first HARQ process number field in the DCI, where the first indication field and the first HARQ process number field are different fields.
In some embodiments, the processor 1010 is configured to obtain first information of a network side device, where the first information is used to instruct the terminal to determine a HARQ process number according to the first indication field.
In some embodiments, processor 1010 obtains the first information by at least one of:
a radio resource control, RRC, message;
media intervention control MAC control element CE.
In some embodiments, the first information comprises at least one of:
HARQ configuration information, wherein the HARQ configuration information indicates that the number of configured HARQ processes is greater than a first value;
the method comprises the steps that mcs-Table configuration information is displayed in a coding modulation scheme Table, and the mcs-Table configuration information indicates that mcs-Table configuration in RRC information is qam64;
the first indication field can be used for jointly determining the enabling indication of the HARQ process number;
the first indication information is used for indicating that the highest bit of the first indication domain is used for jointly determining the HARQ process number;
second indication information for indicating that the lowest bits of the first indication field are used for jointly determining a HARQ process number.
In some embodiments, the processor 1010 is specifically configured to determine the HARQ process number according to N bits in the first indication field and M bits in the HARQ process number field, where N and M are positive integers.
In some embodiments, the first indication field is a coded modulation scheme, MCS, field.
In some embodiments, the N bits are the lowest N bits in the first indication field; or
The N bits are the highest N bits in the first indication field.
In some embodiments, the N bits are the lowest N bits of L bits of the MCS field, L is a positive integer, and N is less than L; or
The N bits are the highest N bits of the L bits of the MCS domain, and N is less than L.
In some embodiments, the processor 1010 is specifically configured to use the N bits as the highest bit to form (N + M) bits with M bits of the first HARQ process number field, and determine the first HARQ process number; or
And taking the N bits as the lowest bits, forming (N + M) bits with M bits of the first HARQ process number field, and determining the first HARQ process number.
In some embodiments, processor 1010 is further configured to perform any of:
if the lowest bit of the MCS field is used for indicating the HARQ process number, determining the coding modulation mode indicated by the DCI according to all L bits of the MCS field;
and if the highest bit of the MCS field is used for indicating the HARQ process number, determining the code modulation mode indicated by the DCI according to the residual (L-N) bits of the MCS field.
In some embodiments, the processor 1010 is configured to report, to a network side device, a capability of the terminal for supporting the number of HARQ processes.
The embodiment of the present application further provides a network side device, which includes a processor and a communication interface, where the communication interface is configured to send first information to a terminal, where the first information is used to instruct the terminal to determine an HARQ process number according to a first indication field in downlink control information DCI, and the first indication field and a first HARQ process number field in the DCI are different fields. The embodiment of the network side device corresponds to the embodiment of the method of the network side device, and all implementation processes and implementation manners of the embodiment of the method can be applied to the embodiment of the network side device and can achieve the same technical effect.
Specifically, the embodiment of the application further provides a network side device. As shown in fig. 9, the network device 700 includes: an antenna 71, a radio frequency device 72, a baseband device 73. The antenna 71 is connected to a radio frequency device 72. In the uplink direction, the rf device 72 receives information through the antenna 71 and sends the received information to the baseband device 73 for processing. In the downlink direction, the baseband device 73 processes information to be transmitted and transmits the information to the rf device 72, and the rf device 72 processes the received information and transmits the processed information through the antenna 71.
The above-mentioned band processing means may be located in the baseband device 73, and the method performed by the network side device in the above embodiment may be implemented in the baseband device 73, where the baseband device 73 includes a processor 74 and a memory 75.
The baseband device 73 may include, for example, at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 9, wherein one of the chips, for example, the processor 74, is connected to the memory 75 to call up the program in the memory 75 to perform the network device operation shown in the above method embodiment.
The baseband device 73 may further include a network interface 76, such as a Common Public Radio Interface (CPRI), for exchanging information with the radio frequency device 72.
Specifically, the network side device of the embodiment of the present invention further includes: the instructions or programs stored in the memory 75 and capable of being executed on the processor 74, and the processor 74 calls the instructions or programs in the memory 75 to execute the method executed by each module shown in fig. 6, and achieve the same technical effect, and are not described herein in detail to avoid repetition.
An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored in the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the foregoing HARQ process number indication method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the above-mentioned HARQ process number indication method embodiment, and can achieve the same technical effect, and in order to avoid repetition, the description is omitted here.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip.
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 one of 8230, and" comprising 8230does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
Through the description of the foregoing embodiments, it is clear to those skilled in the art that the method of the foregoing embodiments may be implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better implementation. Based on such understanding, the technical solutions of the present application or portions thereof that contribute to the prior art may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (27)

1. A method for determining a hybrid automatic repeat request (HARQ) process number, the method comprising:
the terminal determines a first HARQ process number according to a first indication domain and a first HARQ process number domain in Downlink Control Information (DCI), wherein the first indication domain and the first HARQ process number domain are different domains.
2. The method for determining the HARQ process number according to claim 1, wherein the method further comprises:
and the terminal acquires first information of network side equipment, wherein the first information is used for indicating the terminal to determine the HARQ process number according to the first indication domain.
3. The method for determining the HARQ process number according to claim 2, wherein the terminal obtains the first information by at least one of:
a radio resource control, RRC, message;
media intervention control MAC control element CE.
4. The method of determining the HARQ process number according to claim 2, wherein the first information includes at least one of:
HARQ configuration information, wherein the HARQ configuration information indicates that the number of configured HARQ processes is greater than a first value;
the method comprises the steps that mcs-Table configuration information is displayed in a coding modulation scheme Table, and the mcs-Table configuration information indicates that mcs-Table configuration in RRC information is qam64;
the first indication field can be used for jointly determining an enabling indication of a HARQ process number;
the first indication information is used for indicating the highest bit of the first indication domain to be used for jointly determining the HARQ process number;
second indication information for indicating that the lowest bits of the first indication field are used for jointly determining a HARQ process number.
5. The method for determining the HARQ process number according to claim 1, wherein the determining, by the terminal, the first HARQ process number according to the first indication field and the first HARQ process number field in the DCI comprises:
and the terminal determines the HARQ process number according to the N bits in the first indication domain and the M bits in the HARQ process number domain, wherein N and M are positive integers.
6. The method for determining the HARQ process number according to claim 5, wherein the first indication field is a coding modulation scheme (MCS) field.
7. The method for determining the HARQ process number according to claim 5,
the N bits are the lowest N bits in the first indication field; or
The N bits are the highest N bits in the first indication field.
8. The method for determining the HARQ process number according to any of the claims 5 to 7,
the terminal takes the N bits as the highest bit, and the highest bit and M bits of the first HARQ process number domain form (N + M) bits to determine the first HARQ process number; or
And the terminal takes the N bits as the lowest bit, forms (N + M) bits with the M bits of the first HARQ process number domain, and determines the first HARQ process number.
9. The method for determining the HARQ process number according to claim 7, wherein the method further comprises any one of:
if the lowest bit of the MCS domain is used for indicating the HARQ process number, the terminal determines the coding modulation mode indicated by the DCI according to all L bits of the MCS domain, wherein L is a positive integer, and N is smaller than L;
and if the highest bit of the MCS field is used for indicating the HARQ process number, the terminal determines the coding modulation mode indicated by the DCI according to the residual (L-N) bits of the MCS field.
10. The method for determining the HARQ process number according to claim 1, wherein the method further comprises:
and the terminal reports the capability of the terminal for supporting the HARQ process number to network side equipment.
11. A method for indicating a hybrid automatic repeat request (HARQ) process number is characterized in that the method comprises the following steps:
the method comprises the steps that network side equipment sends first information to a terminal, wherein the first information is used for indicating the terminal to determine an HARQ process number according to a first indication domain in Downlink Control Information (DCI), and the first indication domain and the first HARQ process number domain in the DCI are different domains.
12. The method for indicating the HARQ process number according to claim 11, wherein the network side device sends the first information through at least one of:
a radio resource control, RRC, message;
media intervention control MAC control element CE.
13. The method for indicating the HARQ process number according to claim 11, wherein the first information includes at least one of:
HARQ configuration information, wherein the HARQ configuration information indicates that the configured number of HARQ processes is greater than a first value;
the method comprises the steps that mcs-Table configuration information is displayed in a coding modulation scheme Table, and the mcs-Table configuration information indicates that mcs-Table configuration in RRC information is qam64;
the first indication field can be used for jointly determining the enabling indication of the HARQ process number;
the first indication information is used for indicating the highest bit of the first indication domain to be used for jointly determining the HARQ process number;
second indication information for indicating that the lowest bit of the first indication field is used for jointly determining a HARQ process number.
14. The method for indicating the HARQ process number of claim 11, wherein the first indication field is a coding modulation scheme (MCS) field.
15. The method for indicating HARQ process number according to any of claims 11-14, wherein before the network side device sends the first information to the terminal, the method further comprises:
the network side equipment receives the HARQ process number supporting capacity reported by the terminal;
the network side equipment sends first information to the terminal, and the first information comprises the following steps:
and if the number of the HARQ processes supported by the terminal is larger than a first value, the network side equipment sends the first information to the terminal.
16. An apparatus for determining a HARQ process number, the apparatus being applied to a terminal, the apparatus comprising:
and the processing module is used for determining a first HARQ process number according to a first indication domain and a first HARQ process number domain in the DCI, wherein the first indication domain and the first HARQ process number domain are different domains.
17. The apparatus for determining an HARQ process number according to claim 16, further comprising:
an obtaining module, configured to obtain first information of a network side device, where the first information is used to instruct the terminal to determine an HARQ process number according to the first instruction field.
18. The apparatus of claim 17, wherein the first information comprises at least one of:
HARQ configuration information, wherein the HARQ configuration information indicates that the configured number of HARQ processes is greater than a first value;
the method comprises the steps that mcs-Table configuration information is displayed in a coding modulation scheme Table, and the mcs-Table configuration information indicates that mcs-Table configuration in RRC information is qam64;
the first indication field can be used for jointly determining an enabling indication of a HARQ process number;
the first indication information is used for indicating that the highest bit of the first indication domain is used for jointly determining the HARQ process number;
second indication information for indicating that the lowest bit of the first indication field is used for jointly determining a HARQ process number.
19. The apparatus of determining the HARQ process number according to claim 16,
the processing module is specifically configured to determine a HARQ process number according to N bits in the first indication field and M bits in the HARQ process number field, where N and M are positive integers.
20. The apparatus of claim 19, wherein the first indication field is a coded modulation scheme (MCS) field.
21. The apparatus of determining the HARQ process number according to claim 19,
the N bits are the lowest N bits in the first indication field; or
The N bits are the highest N bits in the first indication field.
22. The apparatus for determining an HARQ process number according to claim 16, further comprising:
and the reporting module is used for reporting the capability of the terminal for supporting the HARQ process number to network side equipment.
23. An apparatus for indicating HARQ process numbers, which is applied to a network device, the apparatus comprising:
a sending module, configured to send first information to a terminal, where the first information is used to instruct the terminal to determine an HARQ process number according to a first indication field in DCI, and the first indication field and a first HARQ process number field in the DCI are different fields.
24. The apparatus for indicating HARQ process number as claimed in claim 23, further comprising:
a receiving module, configured to receive the HARQ process number supporting capability reported by the terminal;
the sending module is specifically configured to send the first information to the terminal if the number of HARQ processes supported by the terminal is greater than a first value.
25. A terminal comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, which program or instructions, when executed by the processor, implement the steps of the method of indication of HARQ process number according to any of claims 1 to 10.
26. A network side device, comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the steps of the method for indicating HARQ process numbers according to any of claims 11-15.
27. A readable storage medium, on which a program or instructions are stored, which program or instructions, when executed by a processor, carry out the method of indicating a HARQ process number according to any one of claims 1 to 10, or the steps of the method of indicating a HARQ process number according to any one of claims 11 to 15.
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