CN113676296A - Transmission method, device and storage medium - Google Patents
Transmission method, device and storage medium Download PDFInfo
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- CN113676296A CN113676296A CN202010408077.8A CN202010408077A CN113676296A CN 113676296 A CN113676296 A CN 113676296A CN 202010408077 A CN202010408077 A CN 202010408077A CN 113676296 A CN113676296 A CN 113676296A
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- 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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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The application provides a transmission method, a device and a storage medium, wherein the method comprises the following steps: receiving indication information, and determining a first number of transmission blocks according to the indication information; the indication information is used for activating configuration authorization; and transmitting data according to the first quantity of the transmission blocks. The configuration authorization can be used all the time only by being activated once unless being deactivated, so that the uplink data transmission can be carried out according to the determined first quantity of the transmission blocks only by once indicating information, and the downlink signaling overhead is saved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a transmission method, a device, and a storage medium.
Background
With the development of communication technology, 5G communication systems are widely researched to meet the requirements of large-capacity and high-rate transmission. At present, high complexity is not required for a terminal of a Light-weight New radio-Light (NR-Light) scene, such as a terminal of an application scene of video monitoring, an industrial sensor, a wearable device, and the like. The format it primarily supports will likely be Half Duplex Frequency division multiplexing (HD-FDD).
For a video monitoring scene, the amount of uplink data is usually much larger than that of downlink data, and the data has a certain transmission rule, such as relatively stable amount, relatively fixed period, and the like. In order to increase the uplink data rate, a dynamic multiple (Transport Block, TB) scheduling manner may be adopted, as shown in fig. 1, one DCI schedules multiple uplink TBs at a time, and in this manner, because resources of uplink data need to be continuously allocated to the terminal, the number of DCIs is large. Although the problem of the uplink transmission rate is solved, the overhead of DCI is large.
Disclosure of Invention
The application provides a transmission method, a device and a storage medium, which improve the uplink transmission rate and have smaller downlink signaling overhead.
In a first aspect, the present application provides a transmission method, including:
receiving indication information, and determining a first number of transmission blocks according to the indication information; the indication information is used for activating configuration authorization;
and transmitting data according to the first quantity of the transmission blocks.
In a second aspect, the present application provides a transmission method, including:
and sending indication information, wherein the indication information is used for activating configuration authorization so that the terminal equipment determines the first number of the transmission blocks to be transmitted, and performs data transmission according to the first number of the transmission blocks.
In a third aspect, the present application provides a terminal, comprising:
a processor, a memory, an interface to communicate with a network device;
the memory stores computer-executable instructions;
the processor executes computer-executable instructions stored by the memory, causing the processor to perform the transmission method of any of the first aspects.
In a fourth aspect, the present application provides a network device, comprising:
a processor, a memory, an interface for communicating with a terminal device;
the memory stores computer-executable instructions;
the processor executes computer-executable instructions stored by the memory, causing the processor to perform the transmission method of any of the second aspects.
In a fifth aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, the computer program, when executed by a processor, implementing the method of any one of the first aspect.
In a sixth aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the method of any one of the second aspects.
The transmission method, the device and the storage medium provided by the embodiment of the application receive the indication information, and determine the first number of the transmission blocks according to the indication information; the indication information is used for activating the configuration authorization, the configuration authorization can be used all the time only by being activated once unless being deactivated, and therefore uplink data transmission can be carried out according to the determined first number of the transmission blocks only by once indication information, and downlink signaling cost is saved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic diagram of a dynamic scheduling principle;
fig. 2 is an application scenario diagram provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a second dynamic scheduling principle;
fig. 4 is a schematic flowchart of an embodiment of a transmission method provided in the present application;
FIG. 5 is a schematic diagram of the present application according to an embodiment of the present application;
fig. 6 is an interaction flow diagram of an embodiment of a transmission method provided in the present application;
FIG. 7 is a block diagram of one embodiment of a transmission device provided herein;
FIG. 8 is a block diagram of another embodiment of a transmission device provided herein;
fig. 9 is a block diagram of an embodiment of a terminal device provided in the present application;
fig. 10 is a block diagram of an embodiment of a network device provided by the present application.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terms "comprising" and "having," and any variations thereof, in the description and claims of this application and the drawings described herein are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
A terminal device as referred to in this application may refer to a device that provides voice and/or data connectivity to a user, a handheld device having wireless connection capability, or other processing device connected to a wireless modem. The terminal device may communicate with at least one core Network via a Radio Access Network (RAN). The terminal equipment may be mobile terminals such as mobile telephones (or so-called "cellular" telephones) and computers with mobile terminals, e.g. portable, pocket, hand-held, computer-included or car-mounted mobile devices, which exchange voice and/or data with a radio access network. The Terminal device may also be referred to as a Subscriber Unit (Subscriber Unit), a Subscriber Station (Subscriber Station), a Mobile Station (Mobile Station), a Remote Station (Remote Station), an Access Point (Access Point), a Remote Terminal (Remote Terminal), an Access Terminal (Access Terminal), a User Terminal (User Terminal), a User Agent (User Agent), or a User device (User Equipment), which is not limited herein.
The network device in the present application may be a Base Transceiver Station (BTS) in Global System for Mobile communication (GSM) or Code Division Multiple Access (CDMA), a Base Station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), an evolved NodeB (eNB) in Long Term Evolution (LTE) or enhanced Long Term Evolution (LTE), or a next-generation evolved NodeB (Access-evolved node b), an Access Point (AP) or a relay Station in WLAN, or a gbb in 5G NR, and the like, and is not limited herein.
Firstly, the application scenario related to the present application is introduced:
fig. 2 is a schematic diagram of a network architecture according to an embodiment of the present application, and the technical solution provided by the present application is based on the network architecture shown in fig. 1, where the network architecture includes at least one terminal device 10 and communicates with a network device 20 through a wireless interface, and for clarity, only one terminal device and one network device are shown in fig. 2.
The 5G New Radio (NR) system defines three application scenarios, including enhanced mobile broadband (eMBB), ultra-reliable and low latency communication (URLLC), and massive machine type communication (mtc). Researchers find that practical applications include new services and new terminal types which do not belong to the three application scenarios, the new services and the new terminal types have certain transmission rate requirements which are far smaller than that of the eMBB, the requirements on time delay are lower than that of the URLLC but possibly higher than that of the eMBB, and the new services and the new terminal types also have service attributes of machine type communication. This New service (New scene) is defined as a lightweight New radio-Light (NR-Light) service.
NR-Light mainly considers several application scenarios, video surveillance, industrial sensors and wearable devices. The terminals of such scenes, i.e. the NR-Light terminals, do not need to be very complex. The number of receiving/transmitting antennas may be reduced to 1, the processing capability may be reduced to MTC level, and the main supported format may be half duplex frequency division multiplexing (HD-FDD). Under HD-FDD, the terminal can only receive and cannot transmit at a certain time, or can only transmit and cannot receive. In this scheme, when the terminal needs to feed back the downlink data after receiving the data, it needs to switch to the uplink to send the feedback information again.
As shown in fig. 3, if the terminal uses a dynamic scheduling mode in the HD-FDD mode, it needs to switch to the uplink to transmit uplink data after receiving downlink scheduling information (DCI).
The above method is not favorable for increasing the rate of uplink data, and for a video monitoring scene, the DCI occupies a relatively large number of subframe resources.
In order to increase the uplink data rate, a dynamic multi-TB scheduling method may be adopted, as shown in fig. 1, one DCI schedules multiple uplink TBs at a time, and in this method, because uplink data resources need to be continuously allocated to the terminal, the number of DCIs is large. Although the problem of the uplink transmission rate is solved, the overhead of DCI is still large.
For a video monitoring scene, the amount of uplink data is usually much larger than that of downlink data, and the data has a certain transmission rule, such as relatively stable amount, relatively fixed period, and the like. Therefore, the video surveillance scene can use a Configuration Grant (CG) for data transmission.
The configuration of the grant CG means that the network device activates an uplink grant once to the terminal device, and when the terminal device does not receive deactivation, the network device always uses a resource specified by the first uplink grant for uplink transmission, which has two transmission types:
configuration authorization type 1: configuring (IE ConfiguredGrantConfig) by Radio Resource Control (RRC) through higher layer signaling;
configuration authorization type 2: the activation and deactivation of the uplink grant is indicated by the DCI, and the required parameters are configured by the IE ConfiguredGrantConfig, but are used when the DCI is required to activate the parameters.
In the application, a multi-TB mechanism is introduced into CG, namely, a plurality of TBs are transmitted in one period, and after the transmission of the TBs is finished, possible DCI information is transmitted to downlink for receiving. For this reason, the terminal only needs to determine the number of TBs transmitted in one period, and after the transmission is completed, the terminal can return to downlink reception and perform uplink transmission in the next period. Compared with the technology of fig. 1, the introduction of multiple TBs in the CG not only solves the problem of uplink transmission rate, but also effectively reduces the overhead of the DCI.
The configuration authorization is described in detail below:
the type1 configuration grant and the type2 configuration grant are distinguished according to the field rrc-configurable uplink grant in the IE configuredgontonfig. If this field rrc-configuredjulinkgunt configuration, then type1 is configured with authorization, if this field is not configured, then type2 is configured with authorization, whose IE configuredjntconfig is configured in detail as follows:
the rrc-configurable uplink grant is a specific parameter of type1 configuration authorization, and the remaining part of parameters are common parameters of type1 and type 2. As can be seen from the above, if the uplink grant configuration type is type1, the parameters in the rrc-configurable uplink grant are all the parameters required by type1, and include: time domain resources, frequency domain resources, modulation coding scheme (IMCS), antenna ports, SRS resource indication, demodulation reference signals (DM-RS) and other related parameters. In addition, the IE ConfiguredGrantConfig also contains common parameters required for type1 and type2, such as: the period (periodicity), the number of HARQ Processes (nrofHARQ-Processes), power control, the number of repetitions (repK), the redundancy version of the repetitions (repK-RV), and the like.
Meanwhile, for type2, it can be seen that, except for the common parameters required by type1 and type2, time domain resources, frequency domain resources, modulation coding scheme (IMCS) and other related parameters are not configured, and as can be seen from the above, the configuration authorization type2 is activated by DCI, so for type2, when the terminal receives the common parameters configured in the IE configredgrant configuration and required by type1 and type2, uplink transmission is not performed immediately, and only when the terminal receives DCI indication activation scrambled by CS-RNTI and carries the time domain resources and frequency domain resources, and the modulation coding scheme (IMCS) and other related parameters, the terminal performs uplink authorization-free transmission of type 2. If the higher layer is not activated by transmitting DCI on the resources allocated by the uplink grant-free, the terminal will not send any content on the resources configured by the GrantConfig.
The present application will be described in detail with reference to specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 4 is a flowchart illustrating a transmission method according to an embodiment of the present disclosure. As shown in fig. 4, the method provided by this embodiment may be applied to a terminal, and the method includes:
specifically, the terminal receives indication information, for example, indication information sent by the network device, where the indication information is used to activate the configuration grant, for example, parameter information including the configuration grant, and the terminal determines, according to the indication information, the first number of transport blocks, where the first number may be one or more.
And 102, transmitting data according to the first quantity of the transmission blocks.
Specifically, the terminal performs data transmission according to the determined first number, and if the first number is one, performs single TB transmission within one CG period; if the first number is multiple, multiple TB transmissions are performed within one CG period.
As shown in fig. 5, for example, if the first number is 4, the first number is determined according to the indication information, and then uplink transmission is performed by using 4 TBs, and after the transmission is completed, downlink control information sent by the network device is monitored, except that the network device sends a retransmission indication when the reception fails, the network device may not send downlink control information at other occasions, so that signaling overhead is saved.
In the method, the network side allocates resources to the terminal through the configuration authorization, the network side activates the uplink authorization once to the terminal, and the terminal always uses the resources specified by the uplink authorization once to perform uplink transmission under the condition that the terminal does not receive the deactivation.
The method of this embodiment receives indication information, and determines a first number of transport blocks according to the indication information; the indication information is used for activating the configuration authorization, the configuration authorization can be used all the time only by being activated once unless being deactivated, and therefore uplink data transmission can be carried out according to the determined first number of the transmission blocks only by once indication information, and downlink signaling cost is saved.
On the basis of the above embodiment, the indication information includes first indication information, or the indication information includes: the second indication information, or the indication information comprises the first indication information and the third indication information, or the indication information comprises the third indication information and the fourth indication information, wherein,
the first indication information is used for indicating first public parameter information of configuration authorization; the first common parameter information includes: a first preset number of transport blocks;
the second indication information is used for indicating the special parameter information of the first type configuration authorization; the dedicated parameter information includes: a second preset number of transport blocks;
the third indication information is used for activating the second type configuration authorization;
the fourth indication information is used for indicating second public parameter information of the configuration authorization; the second common parameter information includes: the number of repeated transmissions. Wherein the fourth indication information may not include the first preset number of transport blocks.
Specifically, if the indication information includes first indication information, the first indication information is used for indicating first public parameter information of configuration authorization; the first common parameter information includes: a first preset number of transport blocks. I.e. the common parameter of the configuration grant may indicate the number of transport blocks.
In an embodiment, the indication information includes first indication information, and the determining the first number of transport blocks according to the indication information includes:
taking the first preset number as a first number of the transmission blocks; or the like, or, alternatively,
the indication information includes second indication information, and the determining the first number of transport blocks according to the indication information includes:
and taking the second preset number as the first number of the transmission blocks.
For the configuration authorization of the first type1, the terminal may determine the first number according to the first preset number indicated in the first common parameter information, that is, the first preset number is used as the first number.
If the indication information comprises second indication information, the second indication information is used for indicating the special parameter information of the first type configuration authorization; the dedicated parameter information includes: a second preset number of transport blocks. I.e. the number of transport blocks is indicated by the dedicated parameter of type1 configuration grant.
For the configuration authorization of the first type1, the terminal may determine the first number according to a second preset number indicated in the dedicated parameter information of the first type configuration authorization, that is, the second preset number is used as the first number.
In some embodiments, the first predetermined number and the second predetermined number may be configured simultaneously, and the first predetermined number may be the same as or different from the second predetermined number.
If the first preset number and the second preset number are different, for the terminal, the first preset number or the second preset number may be used as the first number, which is not limited in the embodiment of the present application.
In practical application, if the first preset number or the second preset number is empty, authorized single-TB or multi-TB transmission is configured according to a default value X. The default value X may be a preset value specified by the protocol.
In an embodiment, the determining the first number of transport blocks according to the indication information includes:
and if the third indication information comprises the second number of the transmission blocks, taking the second number comprised by the third indication information as the first number of the transmission blocks.
If the indication information comprises the first indication information and the third indication information, namely the common parameters of the type1 and the type2 configuration authorization are configured through the first indication information, and the type2 configuration authorization is activated through the third indication information.
For the configuration grant of the second type2, if the third indication information includes the second number of transport blocks, the terminal may determine the first number according to the second number indicated by the third indication information, that is, the second number is the first number.
In some embodiments, in a case where both the first indication information and the third indication information indicate the number of transport blocks or in a case where only the third indication information indicates the number of transport blocks, the second number may be different from the first preset number, subject to the number indicated in the third indication information.
In an embodiment, the second number is less than or equal to a first predetermined number of transport blocks.
Specifically, if the first indication information and the third indication information both indicate the number of the transport blocks, the second number indicated by the third indication information takes the number in the common parameter indicated by the first indication information as a maximum value, that is, does not exceed a first preset number in the common parameter, for example, the first preset number in the common parameter is 4, the third indication information may indicate 1,2,3, 4; for example, the first preset number in the common parameter is 8, the third indication information may indicate any one of values 1 to 8.
In other embodiments, the second number is less than or equal to the maximum value specified by the protocol, instead of the first preset number configured, for example, the first preset number in the first indication information is 4, and the second number in the third indication information is 8.
In an embodiment, if the third indication information does not include the second number of transport blocks, the terminal may determine the first number according to a first preset number indicated by the first indication information, that is, the first preset number of transport blocks indicated in the common parameter is used as the first number.
If the indication information comprises the third indication information and the fourth indication information, namely the common parameters of the type1 and the type2 configuration authorization are configured through the fourth indication information, the type2 configuration authorization is activated through the third indication information.
For the configuration grant of the second type2, if the third indication information includes the second number of transport blocks, the terminal may determine the first number according to the second number indicated by the third indication information, that is, the second number is the first number.
In an embodiment, if the third indication information indicates the number of the transport blocks, the second number indicated by the third indication information takes a number threshold as a maximum value, that is, the second number is smaller than or equal to the number threshold, where the number threshold is obtained according to the number of repeated transmissions indicated by the fourth indication information.
In one embodiment, the number threshold is inversely proportional to the number of repeated transmissions.
In one embodiment, the number of repeated transmissions may be configured to be 1,2,4, 8.
For example, when the number of repeated transmissions repK is 1, the number threshold may be 8, and the second number in the third indication information may indicate any one value (integer) of 1-8, for example, one value of 1,2,4, and 8 is indicated by two bits; if the repK is 2, the number threshold may be 4, and the second number in the third indication information may indicate any one of values 1-4; if the repK is 4, the number threshold may be 2, and the second number in the third indication information may indicate 1 or 2; and so on.
In an embodiment, the determining the number of the transport blocks according to the indication information includes:
and determining the first number of the transmission blocks according to the repeated transmission times.
If the third indication information does not include the second number of transport blocks, the terminal may determine the first number according to a common parameter indicated by the fourth indication information, for example, the common parameter is a number of repeated transmissions repK.
In an embodiment, the first number of transport blocks may be determined based on a number of repeated transmissions.
In practical application, sending uplink data for too long time is avoided, and if the number of times of repeated transmission is large, the number of transmission blocks transmitted by multiple TBs can be reduced. If the number of repeated transmissions is small, the number of transport blocks for the majority of TB transmissions can be increased appropriately.
In an embodiment, the first number of transport blocks is inversely proportional to the number of repeated transmissions.
In one embodiment, the number of repeated transmissions may be configured to be 1,2,4, 8.
For example, when the number of iterative transfer repK is 1, the second number in the third indication information may be 8; if the repK is 2, the second number in the third indication information may be 4; the second number in the third indication information may be 2 if the repK is 4; and so on.
In this manner, if the third indication information of the activation type2 does not indicate the number of transport blocks, the first number of transport blocks may be implicitly obtained through some of the common parameters of the type1 and type2 configuration grants, for example, the number of transport blocks may be implicitly obtained through the number of repeated transmission times.
In an embodiment, the first indication information is carried by higher layer signaling, e.g., RRC signaling;
in an embodiment, the second indication information is carried by higher layer signaling, e.g., RRC signaling;
in an embodiment, the fourth indication information is carried by higher layer signaling, for example, by RRC signaling;
in an embodiment, the third indication information is carried by Downlink Control Information (DCI).
For configuration authorization of the second type2, in other embodiments, a default maximum number of transport blocks, such as 8, may be specified in the protocol. For example, if the first number of transport blocks is indicated by two bits of DCI information, the four options {1,2,4,8} may be indicated by two bits. Alternatively, the first number may be indicated by more bits. But the first number cannot exceed the default maximum number of transport blocks.
In the foregoing specific embodiment, the same field of the common parameter corresponds to different functions under different types of configuration grants, which can increase the configuration flexibility of the configured grant, make the most of the air interface resources, improve the uplink data rate of the configuration grant, and save the downlink signaling.
In an embodiment, the indication information may further include enable indication information of the multi-transport block transmission, for example, the enable indication information may be carried in the first indication information or the fourth indication information.
Step 102 may be implemented as follows:
and performing data transmission according to the enabling indication information and the first number of the transmission blocks.
Specifically, before data transmission is performed, whether the enabling indication information enables the multi-transport block transmission mode may be determined, and if the enabling indication information enables the multi-transport block transmission mode, the multi-transport block transmission is performed according to the first number.
If not, the transmission is according to a single transmission block.
In one embodiment, step 102 is preceded by the following:
determining whether to activate a dynamically scheduled multi-transport block transmission mode;
and if the dynamically scheduled multi-transmission block transmission mode is activated, transmitting data according to the first quantity of the transmission blocks.
Specifically, if dynamic scheduling does not activate multi-TB transmission, there are more subframes required for DL. For example, a configured grant transmits 4 TBs at a time, if all are in error, 4 DCIs are needed to instruct retransmission of 4 TBs, if dynamic scheduling activates multiple TB transmission, for example, a configured grant transmits 4 TBs at a time, if all are in error, only 1 DCI is needed to instruct retransmission of 4 TBs. Therefore, the configuration authorization activates (or enables) the multi-TB transmission to take effect only when the multi-TB transmission is dynamically scheduled to be activated, that is, the first number is determined according to any one of the foregoing embodiments and data transmission is performed only when the multi-TB transmission is dynamically scheduled to be activated, otherwise, the terminal does not upload data in the multi-TB manner in the configuration authorization manner, and the default first number is still 1.
In the above embodiment, whether dynamically scheduled multiple TB transmission is activated is considered as a precondition for configuring whether authorized multiple TB transmission is activated, so that efficiency during retransmission is increased and signaling is saved.
In an embodiment, the enable indication information Multi-TB enable/disable and the first preset number TB number1 of the Multi transport block transmission are common parameters in the configured grant:
for type1 configurable grant (rrc-configurable UplinkGrant exists)
If the Multi-TB enable is not available and the TB number1 is not null, the configured grant Multi-TB transmission is carried out according to the TB number1 in the common parameters.
If Multi-TB enable, and TB number1 is null, a configured grant single or multiple TB transmission is made at default X (protocol specified defaults).
For type2 configurable grant (rrc-configurable UplinkGrant does not exist)
If the second number TB number2 field does not exist in DCI authorized by the active type2 configuration, the first number is determined by a common parameter (a first preset number or the number of repeated transmissions).
If the TB number2 field exists in the DCI authorized by the configuration of the activation type2 (the public parameter Multi-TB enable, the TB number2 field in the DCI exists): .
1. The second number indicated by the TB number2 field in the DCI overrides the common parameter TB number1, subject to the value indicated in the DCI (e.g., RRC indicates TB number1 is 4, and DCI may indicate TB number2 is 8, e.g., 8 is a specified upper limit). 2. The TB number2 value that the TB number2 can indicate in the DCI has the TB number1 in the common parameters as the maximum value (if the common parameters indicate that the TB number1 is 4, the DCI can indicate 1,2,3, 4)
In an embodiment, TB number2 that may be indicated in DCI may also be implicitly derived from other fields in the common parameters.
If Multi-TB enable/disable is a common parameter in the configured grant, TB number1 is a parameter in the rrc-configurable UpLinkGrant:
for type1 configured grant, a rrc-configured uplinkgrant exists:
if Multi-TB enable, and TB number1 is not null, a configured grant Multi-TB transmission is made as TB number 1.
If Multi-TB enable, and TB number1 is empty, configure grant single or multiple TB transmissions at default X (default may be 1 or non-1).
For type2 configured grant, rrc-configured uplinkgrant does not exist:
if the TB number2 field exists in the DCI authorized by the configuration of the activation type2 (the public parameter Multi-TB enable, the TB number2 field in the DCI exists):
1. the protocol defaults to a maximum TB number 3. Say 8, then TB number2 that can be indicated in DCI has TB number3 as the maximum, e.g. default two bits indicate {1,2,4,8} four options.
2. Implicit indication: implicitly determined from the number of repeated transmissions, repK. For example, repK can be configured to be 1,2,4,8, in order to avoid sending uplink data for too long time, it is considered that the number threshold max TB number is inversely proportional to repK, for example, when repK is 1, max TB number is 8, for example, 1,2,4,8 can be indicated by two bits of DCI, or an integer smaller than or equal to 8 can be indicated by more bits; if repK is 2, then Maximum TB number is 4, e.g. 1,2,3,4 may be indicated by DCI 2 bit; if repK is 4, then Maximum TB number is 2, e.g. 1,2 may be indicated by DCI 2 bit; and so on.
If the TB number2 field does not exist in the DCI authorized by the configuration of the activation type 2: when the public parameter is Multi-TB enable, type2 configures an authorized TB number2 determination mode.
1. The protocol defaults to one TB number 4. Say 8, then DCI activates the configured grant and transmits it according to the default TB number 4.
2. Implicit indication: implicitly determined from the repK. The repK can be configured to be 1,2,4,8, and in order to avoid sending uplink data for too long time, consider that TB number2 of type2 is inversely proportional to the repK: for example, repK is 1, TB number2 is 8, and the number of DCI-activated configured grant transmission TBs is 8; if repK is 2, TB number2 is 4, the number of TBs transmitted by the configured grant activated by DCI is 4; if repK is 4, TB number2 is 2, the number of TBs transmitted by the configured grant activated by DCI is 2; and so on.
In the above embodiments, the TB number field in the common parameter has different functions for different types of configured grant, which indicates the number of TBs that need to be transmitted for Type1, and indicates the value that can be indicated in DCI, or the maximum value that can be indicated for Type 2.
Fig. 6 is an interaction flow diagram of an embodiment of a transmission method provided in the present application. As shown in fig. 6, the method of this embodiment may be applied to a network device, and the method includes:
and sending indication information, wherein the indication information is used for activating configuration authorization so that the terminal equipment determines the first number of the transmission blocks to be transmitted, and performs data transmission according to the first number of the transmission blocks.
In an embodiment, the indication information includes first indication information, or the indication information includes: the second indication information, or the indication information includes the first indication information and third indication information, or the indication information includes the third indication information and fourth indication information, wherein,
the first indication information is used for indicating first public parameter information of configuration authorization; the first common parameter information includes: a first preset number of transport blocks;
the second indication information is used for indicating the special parameter information of the first type configuration authorization; the dedicated parameter information includes: a second preset number of transport blocks;
the third indication information is used for activating a second type configuration authorization;
the fourth indication information is used for indicating second public parameter information of configuration authorization; the second common parameter information includes: the number of repeated transmissions.
In an embodiment, for type1 configuration authorization, the indication information includes first indication information, and the first preset number is used for the terminal device to determine the first number of the transport blocks; or the like, or, alternatively,
for type1 configuration authorization, the indication information includes second indication information, and the second preset number is used for the terminal device to determine the first number of the transport blocks; or the like, or, alternatively,
for type2 configuration authorization, the indication information includes first indication information and third indication information, or the indication information includes third indication information and fourth indication information, and the third indication information includes a second number of the transport blocks, which is used by the terminal device to determine the first number of the transport blocks.
In an embodiment, the indication information includes first indication information and third indication information, and the third indication information includes a second number of the transport blocks, where the second number is smaller than or equal to a first preset number of the transport blocks.
In an embodiment, the indication information includes third indication information and fourth indication information, and the third indication information includes a second number of the transport blocks, where the second number is less than or equal to a number threshold, and the number threshold is obtained according to the number of repeated transmissions.
In an embodiment, the number threshold is inversely proportional to the number of repeated transmissions.
In an embodiment, the indication information includes first indication information and third indication information, and the third indication information does not include the second number of the transport blocks, where the first preset number is used for the terminal device to determine the first number of the transport blocks.
In an embodiment, the indication information includes third indication information and fourth indication information, and the third indication information does not include the second number of the transport blocks, and the number of times of the repeated transmission is used for the terminal device to determine the first number of the transport blocks.
In an embodiment, the first number of transport blocks is inversely proportional to the number of repeated transmissions.
In an embodiment, the first indication information is carried by higher layer signaling;
the second indication information is carried by high-layer signaling;
the third indication information is carried by downlink control information;
the fourth indication information is carried by higher layer signaling.
In an embodiment, the indication information further includes: enabling indication information of multi-transport block transmission; the enabling indication information is used for enabling the terminal equipment to carry out multi-transmission block transmission.
In an embodiment, the indication information may further include: and the indication information is used for activating the dynamically scheduled multi-transmission block transmission mode.
The method of this embodiment is similar to the method of the terminal device side in the implementation principle and technical effect, and reference may be made to any embodiment of the terminal device side, which is not described herein again.
Fig. 7 is a structural diagram of an embodiment of a transmission apparatus provided in the present application, and as shown in fig. 7, the transmission apparatus of the present embodiment may be disposed in a terminal device, and the transmission apparatus includes:
a receiving module 801, configured to receive indication information;
a determining module 802, configured to determine a first number of transport blocks according to the indication information; the indication information is used for activating configuration authorization;
the processing module 803 is configured to perform data transmission according to the first number of the transport blocks.
In a possible implementation manner, the indication information includes first indication information, or the indication information includes: the second indication information, or the indication information includes the first indication information and third indication information, or the indication information includes the third indication information and fourth indication information, wherein,
the first indication information is used for indicating first public parameter information of configuration authorization; the first common parameter information includes: a first preset number of transport blocks;
the second indication information is used for indicating the special parameter information of the first type configuration authorization; the dedicated parameter information includes: a second preset number of transport blocks;
the third indication information is used for activating a second type configuration authorization;
the fourth indication information is used for indicating second public parameter information of configuration authorization; the second common parameter information includes: the number of repeated transmissions.
In a possible implementation manner, the indication information includes first indication information, and the determining module 802 is specifically configured to:
taking the first preset number as a first number of the transmission blocks; or the like, or, alternatively,
the indication information includes second indication information, and the determining module 802 is specifically configured to:
taking the second preset number as the first number of the transmission blocks; or the like, or, alternatively,
the indication information includes first indication information and third indication information, or the indication information includes third indication information and fourth indication information, and the determining module 802 is specifically configured to:
and if the third indication information comprises the second number of the transmission blocks, taking the second number comprised by the third indication information as the first number of the transmission blocks.
In a possible implementation manner, the indication information includes first indication information and third indication information, and the third indication information includes a second number of the transport blocks, where the second number is smaller than or equal to a first preset number of the transport blocks.
In a possible implementation manner, the indication information includes third indication information and fourth indication information, and the third indication information includes a second number of the transport blocks, where the second number is less than or equal to a number threshold, and the number threshold is obtained according to the number of repeated transmissions.
In one possible implementation, the number threshold is inversely proportional to the number of repeated transmissions.
In a possible implementation manner, the indication information includes first indication information and third indication information, and the third indication information does not include the second number of the transport blocks, and the determining module is specifically configured to:
and taking the first preset number as the first number of the transmission blocks.
In a possible implementation manner, the indication information includes third indication information and fourth indication information, and the third indication information does not include the second number of the transport blocks, and the determining module 802 is specifically configured to:
and determining the first number of the transmission blocks according to the repeated transmission times.
In one possible implementation, the first number of transport blocks is inversely proportional to the number of repeated transmissions.
In a possible implementation manner, the first indication information is carried by a higher layer signaling;
the second indication information is carried by high-layer signaling;
the third indication information is carried by downlink control information;
the fourth indication information is carried by higher layer signaling.
In a possible implementation manner, the indication information further includes: enabling indication information of multi-transport block transmission; the processing module 803 is specifically configured to:
and transmitting data according to the enabling indication information and the first number of the transmission blocks.
In a possible implementation manner, the processing module 803 is further configured to:
determining whether to activate a dynamically scheduled multi-transport block transmission mode;
and if the dynamically scheduled multi-transmission block transmission mode is activated, transmitting data according to the first quantity of the transmission blocks.
The apparatus of this embodiment may be configured to implement the technical solution of any method embodiment on the terminal device side, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 8 is a structural diagram of another embodiment of a transmission apparatus provided in the present application, and as shown in fig. 8, the transmission apparatus of the present embodiment may be disposed in a network device, and the transmission apparatus includes:
a sending module 901, configured to send indication information, where the indication information is used to activate configuration authorization, so that a terminal device determines a first number of transmission blocks to be transmitted, and performs data transmission according to the first number of transmission blocks.
Optionally, the method further includes: a receiving module 902, configured to receive an uplink transport block sent by a terminal device.
In a possible implementation manner, the indication information includes first indication information, or the indication information includes: the second indication information, or the indication information includes the first indication information and third indication information, or the indication information includes the third indication information and fourth indication information, wherein,
the first indication information is used for indicating first public parameter information of configuration authorization; the first common parameter information includes: a first preset number of transport blocks;
the second indication information is used for indicating the special parameter information of the first type configuration authorization; the dedicated parameter information includes: a second preset number of transport blocks;
the third indication information is used for activating a second type configuration authorization;
the fourth indication information is used for indicating second public parameter information of configuration authorization; the second common parameter information includes: the number of repeated transmissions.
In a possible implementation manner, the indication information includes first indication information, and the first preset number is used for the terminal device to determine a first number of the transport blocks; or the like, or, alternatively,
the indication information comprises second indication information, and the second preset number is used for the terminal equipment to determine the first number of the transmission blocks; or the like, or, alternatively,
the indication information includes first indication information and third indication information, or the indication information includes third indication information and fourth indication information, and the third indication information includes a second number of the transport blocks, and the second number of the transport blocks is used for the terminal device to determine the first number of the transport blocks.
In a possible implementation manner, the indication information includes first indication information and third indication information, and the third indication information includes a second number of the transport blocks, where the second number is smaller than or equal to a first preset number of the transport blocks.
In a possible implementation manner, the indication information includes third indication information and fourth indication information, and the third indication information includes a second number of the transport blocks, where the second number is less than or equal to a number threshold, and the number threshold is obtained according to the number of repeated transmissions.
In one possible implementation, the number threshold is inversely proportional to the number of repeated transmissions.
In a possible implementation manner, the indication information includes first indication information and third indication information, and the third indication information does not include the second number of the transport blocks, where the first preset number is used for the terminal device to determine the first number of the transport blocks.
In a possible implementation manner, the indication information includes third indication information and fourth indication information, and the third indication information does not include the second number of the transport blocks, and the number of times of the repeated transmission is used by the terminal device to determine the first number of the transport blocks.
In one possible implementation, the first number of transport blocks is inversely proportional to the number of repeated transmissions.
In a possible implementation manner, the first indication information is carried by a higher layer signaling;
the second indication information is carried by high-layer signaling;
the third indication information is carried by downlink control information;
the fourth indication information is carried by higher layer signaling.
In a possible implementation manner, the indication information further includes: enabling indication information of multi-transport block transmission; the enabling indication information is used for enabling the terminal equipment to carry out multi-transmission block transmission.
The apparatus of this embodiment may be configured to execute the technical solution of any method embodiment on the network device side, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 9 is a structural diagram of an embodiment of a terminal device provided in the present application, and as shown in fig. 9, the terminal device includes:
a processor 1001 and a memory 1002 for storing executable instructions for the processor 1001.
Optionally, the method may further include: a communication interface 1003 for implementing communication with other devices.
The above components may communicate over one or more buses.
The processor 1001 is configured to execute the method corresponding to the foregoing side-by-side method embodiment of the terminal device by executing the executable instruction, and the specific implementation process of the method may refer to the foregoing method embodiment, which is not described herein again.
Fig. 10 is a block diagram of an embodiment of a network device provided in the present application, and as shown in fig. 10, the network device includes:
a processor 1101, and a memory 1102 for storing executable instructions for the processor 1101.
Optionally, the method may further include: a communication interface 1103 for enabling communication with other devices.
The above components may communicate over one or more buses.
The processor 1101 is configured to execute the method corresponding to the foregoing method embodiment on the network device side by executing the executable instruction, and the specific implementation process of the method may refer to the foregoing method embodiment, which is not described herein again.
The embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the method in the foregoing method embodiment is implemented.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure 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 present disclosure is limited only by the appended claims.
Claims (26)
1. A transmission method is applied to a terminal device, and comprises the following steps:
receiving indication information, and determining a first number of transmission blocks according to the indication information; the indication information is used for activating configuration authorization;
and transmitting data according to the first quantity of the transmission blocks.
2. The method of claim 1, wherein the indication information comprises first indication information, or wherein the indication information comprises: the second indication information, or the indication information includes the first indication information and third indication information, or the indication information includes the third indication information and fourth indication information, wherein,
the first indication information is used for indicating first public parameter information of configuration authorization; the first common parameter information includes: a first preset number of transport blocks;
the second indication information is used for indicating the special parameter information of the first type configuration authorization; the dedicated parameter information includes: a second preset number of transport blocks;
the third indication information is used for activating a second type configuration authorization;
the fourth indication information is used for indicating second public parameter information of configuration authorization; the second common parameter information includes: the number of repeated transmissions.
3. The method of claim 2, wherein the indication information comprises first indication information, and wherein the determining the first number of transport blocks according to the indication information comprises:
taking the first preset number as a first number of the transmission blocks; or the like, or, alternatively,
the indication information includes second indication information, and the determining the first number of transport blocks according to the indication information includes:
taking the second preset number as the first number of the transmission blocks; or the like, or, alternatively,
the determining the first number of transport blocks according to the indication information includes:
and if the third indication information comprises the second number of the transmission blocks, taking the second number comprised by the third indication information as the first number of the transmission blocks.
4. The method according to claim 2 or 3, wherein the indication information comprises a first indication information and a third indication information, and the third indication information comprises a second number of the transport blocks, the second number being smaller than or equal to a first preset number of the transport blocks.
5. The method according to claim 2 or 3,
the indication information comprises third indication information and fourth indication information, the third indication information comprises a second number of the transmission blocks, the second number is smaller than or equal to a number threshold, and the number threshold is obtained according to the repeated transmission times.
6. The method of claim 5,
the number threshold is inversely proportional to the number of repeated transmissions.
7. The method of claim 2, wherein the indication information comprises first indication information and third indication information, and the third indication information does not comprise the second number of the transport blocks, and wherein the determining the number of the transport blocks according to the indication information comprises:
and taking the first preset number as the first number of the transmission blocks.
8. The method of claim 2, wherein the indication information comprises third indication information and fourth indication information, and the third indication information does not include the second number of the transport blocks, and wherein the determining the number of the transport blocks according to the indication information comprises:
and determining the first number of the transmission blocks according to the repeated transmission times.
9. The method of claim 8,
the first number of transport blocks is inversely proportional to the number of repeated transmissions.
10. The method of claim 2, wherein the first indication information is carried by higher layer signaling;
the second indication information is carried by high-layer signaling;
the third indication information is carried by downlink control information;
the fourth indication information is carried by higher layer signaling.
11. The method according to claim 1 or 2, wherein the indication information further comprises: enabling indication information of multi-transport block transmission; the transmitting data according to the first number of the transmission blocks includes:
and transmitting data according to the enabling indication information and the first number of the transmission blocks.
12. The method according to claim 1 or 2, wherein before the data transmission according to the first number of transport blocks, further comprising:
determining whether to activate a dynamically scheduled multi-transport block transmission mode;
and if the dynamically scheduled multi-transmission block transmission mode is activated, transmitting data according to the first quantity of the transmission blocks.
13. A transmission method applied to a network device, the method comprising:
and sending indication information, wherein the indication information is used for activating configuration authorization so that the terminal equipment determines the first number of the transmission blocks to be transmitted, and performs data transmission according to the first number of the transmission blocks.
14. The method of claim 13, wherein the indication information comprises first indication information, or wherein the indication information comprises: the second indication information, or the indication information includes the first indication information and third indication information, or the indication information includes the third indication information and fourth indication information, wherein,
the first indication information is used for indicating first public parameter information of configuration authorization; the first common parameter information includes: a first preset number of transport blocks;
the second indication information is used for indicating the special parameter information of the first type configuration authorization; the dedicated parameter information includes: a second preset number of transport blocks;
the third indication information is used for activating a second type configuration authorization;
the fourth indication information is used for indicating second public parameter information of configuration authorization; the second common parameter information includes: the number of repeated transmissions.
15. The method according to claim 14, wherein the indication information comprises first indication information, and the first preset number is used for the terminal device to determine the first number of the transport blocks; or the like, or, alternatively,
the indication information comprises second indication information, and the second preset number is used for the terminal equipment to determine the first number of the transmission blocks; or the like, or, alternatively,
the indication information includes first indication information and third indication information, or the indication information includes third indication information and fourth indication information, and the third indication information includes a second number of the transport blocks, and the second number of the transport blocks is used for the terminal device to determine the first number of the transport blocks.
16. The method according to claim 14 or 15, wherein the indication information comprises a first indication information and a third indication information, and the third indication information comprises a second number of the transport blocks, the second number being smaller than or equal to a first preset number of the transport blocks.
17. The method according to claim 14 or 15,
the indication information comprises third indication information and fourth indication information, the third indication information comprises a second number of the transmission blocks, the second number is smaller than or equal to a number threshold, and the number threshold is obtained according to the repeated transmission times.
18. The method of claim 17,
the number threshold is inversely proportional to the number of repeated transmissions.
19. The method according to claim 14, wherein the indication information includes a first indication information and a third indication information, and the third indication information does not include the second number of the transport blocks, and the first preset number is used for the terminal device to determine the first number of the transport blocks.
20. The method according to claim 14, wherein the indication information includes third indication information and fourth indication information, and the third indication information does not include the second number of the transport blocks, and the number of repeated transmissions is used by the terminal device to determine the first number of the transport blocks.
21. The method of claim 20,
the first number of transport blocks is inversely proportional to the number of repeated transmissions.
22. The method according to claim 14 or 15, wherein the first indication information is carried by higher layer signaling;
the second indication information is carried by high-layer signaling;
the third indication information is carried by downlink control information;
the fourth indication information is carried by higher layer signaling.
23. The method according to claim 14 or 15, wherein the indication information further comprises: enabling indication information of multi-transport block transmission; the enabling indication information is used for enabling the terminal equipment to carry out multi-transmission block transmission.
24. A terminal device, comprising:
a processor, a memory, an interface to communicate with a network device;
the memory stores computer-executable instructions;
the processor executes computer-executable instructions stored by the memory, causing the processor to perform the transmission method of any of claims 1 to 12.
25. A network device, comprising:
a processor, a memory, an interface for communicating with a terminal device;
the memory stores computer-executable instructions;
the processor executing computer-executable instructions stored by the memory causes the processor to perform the transmission method of any of claims 13 to 23.
26. A computer-readable storage medium having computer-executable instructions stored thereon, which when executed by a processor, are configured to implement the transmission method of any one of claims 1 to 12 and 13-23.
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| CN110474754A (en) * | 2018-05-10 | 2019-11-19 | 北京三星通信技术研究有限公司 | It is a kind of for sending the method and apparatus of signal |
| CN110958085A (en) * | 2018-09-27 | 2020-04-03 | 北京三星通信技术研究有限公司 | Uplink signal sending method and device |
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| CN110958698B (en) * | 2018-09-27 | 2022-10-18 | 华为技术有限公司 | Information indication method and device |
| US11184907B2 (en) * | 2018-11-01 | 2021-11-23 | Lenovo (Singapore) Pte. Ltd. | Method and apparatus for transmitting a transport block in a transmission occasion |
| WO2020181460A1 (en) * | 2019-03-11 | 2020-09-17 | 北京小米移动软件有限公司 | Transmission indication method and apparatus |
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| CN110474754A (en) * | 2018-05-10 | 2019-11-19 | 北京三星通信技术研究有限公司 | It is a kind of for sending the method and apparatus of signal |
| CN110958085A (en) * | 2018-09-27 | 2020-04-03 | 北京三星通信技术研究有限公司 | Uplink signal sending method and device |
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