CN113543316A - Information transmission method, device, related equipment and storage medium - Google Patents
Information transmission method, device, related equipment and storage medium Download PDFInfo
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- CN113543316A CN113543316A CN202010290040.XA CN202010290040A CN113543316A CN 113543316 A CN113543316 A CN 113543316A CN 202010290040 A CN202010290040 A CN 202010290040A CN 113543316 A CN113543316 A CN 113543316A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 236
- 238000000034 method Methods 0.000 title claims abstract description 86
- 230000015654 memory Effects 0.000 claims description 37
- 238000004891 communication Methods 0.000 claims description 26
- 238000004590 computer program Methods 0.000 claims description 21
- 230000011664 signaling Effects 0.000 claims description 19
- 239000000126 substance Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 6
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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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
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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
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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Abstract
The application discloses an information transmission method, an information transmission device, network equipment, a terminal and a storage medium. The method comprises the following steps: the network equipment sends indication information to the terminal, wherein the indication information indicates one of the following information: time slots available for repeated transmissions; a transmission interval of the repeated transmission.
Description
Technical Field
The present application relates to the field of wireless communications, and in particular, to an information transmission method, an information transmission apparatus, a related device, and a storage medium.
Background
In the design of a new air interface (NR) system, considering that requirements of partial internet of things scenarios are met, that is, wearable Devices, high definition video monitoring, factory sensors, and the like, certain modifications will be made on the basis of related designs of the NR system to better support such services, for example, by using a narrower bandwidth, a smaller number of transceiving antennas, a lower user Capability, and the like to support reduction of terminal cost, extension of terminal standby time is achieved through a series of low power consumption schemes, and such a terminal may be referred to as a lightweight NR terminal (Reduced Capability NR Devices, or NR Light terminal, which is hereinafter referred to as NR Light terminal for convenience of description).
However, as the above-mentioned reduction in terminal complexity and flexibility also leads to a shrinking coverage capability, the most intuitive way for coverage enhancement is to use repeated transmissions. However, when the NR Light terminal occupies resources for a long time due to the adoption of the repeated transmission, the transmission efficiency of other terminals is reduced.
Disclosure of Invention
In order to solve the related technical problems, embodiments of the present application provide an information transmission method, an information transmission apparatus, related devices, and a storage medium.
The technical scheme of the embodiment of the application is realized as follows:
at least one embodiment of the present application provides an information transmission method, applied to a network device, including:
sending indication information to a terminal, the indication information indicating one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
Further, according to at least one embodiment of the present application, the indication information is transmitted to the terminal by one of the following ways:
sending the indication information to the terminal through a high-level signaling;
and sending the indication information to the terminal through control information.
Further, in accordance with at least one embodiment of the present application, the indication information indicates a slot available for a repeated transmission by indicating a slot or a subframe pattern.
Further, in accordance with at least one embodiment of the present application, the method further comprises:
selecting one time slot or subframe pattern from at least one time slot or subframe pattern configured by the network;
the indication information indicates the selected slot or subframe pattern.
Further, in accordance with at least one embodiment of the present application, the method further comprises:
configuring at least one time slot or subframe pattern for the terminal through a bitmap (bitmap).
In addition, according to at least one embodiment of the present application, the length of the bitmap is associated with a period of a Time Division Duplex (TDD) configuration, or the length of the bitmap is associated with a number of time slots corresponding to a predefined time length.
Further, according to at least one embodiment of the present application, in a case where the indication information indicates a transmission interval of a repeated transmission, the indication information includes one of:
the number of time slots in the same direction between adjacent time slots used for repeated transmission;
the length of time of the adjacent slot interval used for the repeated transmission.
Further, according to at least one embodiment of the present application, in a case where the indication information includes a time length of an adjacent slot interval used for the repetitive transmission and is transmitted to the terminal by control information, the method further includes:
selecting one time length from a plurality of predefined or network configured time lengths as the time length of the adjacent time slot interval used by the repeated transmission.
Further, according to at least one embodiment of the present application, in a case that the indication information includes a time length of an adjacent slot interval used for the repeated transmission, the time length of the adjacent slot interval used for the repeated transmission matches a period of the TDD configuration.
At least one embodiment of the present application further provides an information transmission method, including:
receiving indication information indicating one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
Further, in accordance with at least one embodiment of the present application, the indication information is received by one of:
receiving the indication information through a high-layer signaling;
and receiving the indication information through control information.
Further, in accordance with at least one embodiment of the present application, the method further comprises:
and determining time domain resources for repeated transmission by utilizing the indication information.
Further, in accordance with at least one embodiment of the present application, the indication information indicates a slot available for a repeated transmission by indicating a slot or a subframe pattern.
Further, in accordance with at least one embodiment of the present application, the method further comprises:
receiving at least one time slot or subframe pattern configured by a bitmap at a network side;
the indication information indicates a slot or subframe pattern selected from the configured at least one slot or subframe pattern.
In addition, according to at least one embodiment of the present application, the length of bitmap is associated with a period of TDD configuration, or the length of bitmap is associated with the number of timeslots corresponding to a predefined time length.
Further, according to at least one embodiment of the present application, in a case where the indication information indicates a transmission interval of a repeated transmission, the indication information includes one of:
the number of time slots in the same direction between adjacent time slots used for repeated transmission;
the length of time of the adjacent slot interval used for the repeated transmission.
Further, according to at least one embodiment of the present application, in a case where the indication information includes a time length of an adjacent slot interval used for the repetitive transmission, and the indication information is transmitted to the terminal through control information, the time length of the adjacent slot interval used for the repetitive transmission is one time length selected from a plurality of time lengths predefined or configured by a network.
Further, according to at least one embodiment of the present application, in a case that the indication information includes a time length of an adjacent slot interval used for the repeated transmission, the time length of the adjacent slot interval used for the repeated transmission matches a period of the TDD configuration.
At least one embodiment of the present application also provides an information transmission apparatus including:
a sending unit, configured to send indication information to a terminal, where the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
At least one embodiment of the present application also provides an information transmission apparatus including:
a receiving unit, configured to receive indication information, where the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
At least one embodiment of the present application further provides a network device, including: a first processor and a first communication interface; wherein the content of the first and second substances,
the first communication interface is configured to send indication information to a terminal, where the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
At least one embodiment of the present application is a terminal, comprising: a second processor and a second communication interface; wherein the content of the first and second substances,
the second communication interface is configured to receive indication information, where the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
At least one embodiment of the present application is a network device, comprising: a first processor and a first memory for storing a computer program capable of running on the processor,
wherein the first processor is configured to execute the steps of any one of the methods of the network device side when running the computer program.
At least one embodiment of the present application is a terminal, comprising: a second processor and a second memory for storing a computer program capable of running on the processor,
wherein the second processor is configured to execute the steps of any method at the terminal side when running the computer program.
At least one embodiment of the present application provides a storage medium, on which a computer program is stored, the computer program, when executed by a processor, implementing the steps of any of the methods of the network device side described above, or implementing the steps of any of the methods of the terminal side described above.
According to the information transmission method, the information transmission device, the related equipment and the storage medium, the network equipment sends the indication information to the terminal; the indication information indicates one of: time slots available for repeated transmissions; the terminal may determine the time domain resource for the repeated transmission according to the indication information, because the indication information is sent to the terminal.
Drawings
Fig. 1 is a schematic flowchart of a method for transmitting information at a network device side according to an embodiment of the present application; (ii) a
Fig. 2 is a schematic diagram illustrating the number of timeslots in the same direction between adjacent timeslots used in the repetitive transmission according to an embodiment of the present application;
FIG. 3 is a schematic time length diagram of an adjacent time slot interval used in a repeat transmission according to an embodiment of the present application;
fig. 4 is a schematic flowchart of a method for transmitting terminal-side information according to an embodiment of the present application;
FIG. 5 is a flowchart illustrating a method for transmitting information according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of an information transmission apparatus according to an embodiment of the present application;
FIG. 7 is a schematic structural diagram of another information transmission apparatus according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a network device according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of a terminal according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of an information transmission system according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples.
In the related art, as the complexity and flexibility of the NR Light terminal are reduced, the coverage capability is reduced, for example, when receiving with a smaller number of antennas, the receiving performance of the NR Light terminal is degraded compared to the general enhanced mobile broadband (eMBB) service terminal of the NR, which results in a reduced coverage. In addition, the smaller size requirement and some process limitations of the NR Light terminal result in further reduction of the antenna gain of the NR Light terminal, even by 10-15 dB compared with the antenna gain of a common mobile phone, and if the coverage of the eMBB is taken as a coverage target, the NR Light terminal needs to be designed for coverage enhancement.
The most intuitive way in the implementation of coverage enhancement is to use repeated transmission, and the more times of repeated transmission, the larger the coverage gain that can be improved. For the upstream direction, the number of repetitions may be further increased compared to the downstream direction, since the power class may be further reduced, for example from 23dBm to 14 dBm. Then, when the NR Light terminal needs a large number of repeated transmissions to ensure coverage, in a coexistence scenario between the NR Light terminal and the eMBB terminal (i.e., a terminal using an eMBB service), for an operator with a smaller bandwidth, or for an eMBB terminal that accesses the same bandwidth but does not have a capability of dynamically switching bandwidth part (BWP), the multiple repeated transmissions of the NR Light terminal may occupy transmission resources for a long time, which results in that the transmission of the eMBB terminal without the capability of dynamically switching BWP is delayed for a longer time (i.e., the transmission delay is increased), or the transmission rate is low, which results in that the transmission efficiency of the eMBB terminal without the capability of dynamically switching BWP is low, and for a scenario in which the timeslot is a TDD frame structure, since the timeslot in a certain direction does not exist all the time, this situation is more serious.
Based on this, in various embodiments of the present application, the network device instructs the terminal to repeat a slot of transmission or a transmission interval of transmission in the transmission process.
In the embodiment of the present application, uplink refers to a direction in which a terminal transmits information (including service data, control information, reference signals, and the like) to a network device; descending means that: the direction in which the network device transmits information to the terminal.
In practical application, the network device may be a base station, such as a next generation node b (gnb).
An embodiment of the present application provides an information transmission method, which is applied to a network device, and as shown in fig. 1, the method includes:
step 100: determining time slot related information which can be used for repeated transmission by a terminal;
step 101: and sending the indication information to the terminal.
Wherein the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
In practical application, in step 100, the network device may determine timeslot-related information that the terminal may use for repeated transmission based on the situation of different types of terminals coexisting on the same time domain resource (for example, the coexistence situation of the NR Light terminal and the eMBB terminal).
Accordingly, the indication information is determined based on the determined slot-related information.
The time slot available for repeated transmission refers to: and when the terminal is configured with the repeat transmission function, the terminal uses the time slot resource. For example, when the terminal turns on the repeat transmission function, the terminal uses some time slots configured by the network as available candidate resources for repeat transmission.
In practical application, the indication information can be sent to the terminal through a high-level signaling, and the indication information can also be sent to the terminal through control information.
The higher layer signaling may include Radio Resource Control (RRC) signaling or medium access signaling (MAC) signaling.
The control information may include Downlink Control Information (DCI) and the like. The aim of dynamic control can be achieved by sending the indication information through the control information.
If the indication information indicates a slot available for retransmission, that is, in the case that the indication information indicates a slot available for retransmission, the network device may indicate a terminal slot or subframe pattern (which may be expressed as pattern) to indicate a slot available for retransmission of the terminal, where the indication information indicates a slot or subframe pattern used for determining a slot available for retransmission, that is, the indication information indicates a slot available for retransmission by indicating a slot or subframe pattern, and the indicated pattern specifically indicates a slot available for retransmission of the terminal.
Here, in practical applications, the network device may select a slot or subframe pattern from slot or subframe patterns configured for the terminal to indicate slots available for the terminal to repeat transmission, where the slot or subframe pattern is used as a means for the network to configure available candidate resources for the terminal, and it needs to be clear which slots are available candidate resources for the terminal to repeat transmission.
Based on this, in an embodiment, the method may further include:
selecting one time slot or subframe pattern from at least one time slot or subframe pattern configured by the network;
the indication information indicates the selected slot or subframe pattern.
In practical application, the network device may select one timeslot or subframe pattern from timeslot or subframe patterns configured for the terminal according to a coexistence situation of the eMBB terminal and the NR Light terminal on the same BWP (which may be understood as the same time domain resource) and according to a situation of the eMBB terminal, for example, when the services of the eMBB terminal are more, the selected timeslot or subframe pattern may reserve more timeslots for the eMBB terminal, that is, timeslots for repeated transmission are less.
In practical application, the time slot or subframe pattern may be implemented by bitmap, that is, bitmap is used to indicate which time slots are time slots that can be used for terminal repeat transmission.
In an embodiment, the method may further include:
and configuring at least one time slot or subframe pattern for the terminal through the bitmap.
Here, in practical application, the network device may configure a plurality of time slots or subframe patterns for the terminal through a high-level signaling, where the configured bitmap corresponding to each time slot or subframe pattern is different; and dynamically indicating the effective time slot or subframe pattern through the control information, for example, indicating the effective time slot or subframe pattern through 1 bit, thereby achieving the purpose of dynamically controlling the available uplink and downlink time slots.
Wherein, in practical application, the length of bitmap can be configured or predefined (can be understood as specified).
Specifically, the length of the bitmap is associated with a period of TDD configuration, or the length of the bitmap is associated with the number of time slots corresponding to a predefined time length.
Wherein, in practical application, the TDD configuration includes a TDD uplink and downlink configuration.
When the bitmap is used to indicate which timeslots are available for terminal retransmission, it can be considered that timeslots available for terminal retransmission are periodically determined, and the length of the period is the length of the timeslot or subframe corresponding to the bitmap.
Exemplarily, assuming that a TDD frame structure of 5ms is currently adopted (TDD configuration IDE period is 5ms), a subcarrier interval of 30KHz corresponds to 10 slots, accordingly; the TDD uplink and downlink configuration is as follows: DDSUUDDSUU; two kinds of bitmaps can be configured through the high layer signaling to indicate the time slot that the terminal can use for the terminal to repeat transmission, and the length of the bitmaps is 10 bits, which are respectively:
bitmap of pattern 1: 1100111011, DDXXUDDXUU;
bitmap of pattern 2: 1111111111, which represents DDSUUDDSUU.
Wherein D represents that the downlink is available, U represents that the uplink is available, X represents that the uplink is unavailable, and S represents that both the uplink and the downlink are available.
The time slot at the position of 0 in bitmap of pattern 1 is not available, and the time slots at other positions are available; the bitmap of pattern 2 indicates that all slots are available.
Since the current eMBB terminal and the NR Light terminal coexist on the same BWP, the network device determines whether a certain interval is reserved for the repeated transmission of the NR Light terminal, and at this time, may indicate the pattern 1 or the pattern 2 through 1 bit in the control information, so as to control whether resources are to be reserved for the eMBB terminal.
Certainly, in practical application, the length of the bitmap may also not be equal to the period of the frame structure, that is, the length of the bitmap is associated with the number of timeslots corresponding to the predefined time length, for example, the number of timeslots is 10ms, and for a subcarrier interval of 30KHz, 20 timeslots are used as the period to indicate the timeslots that can be used for terminal transmission.
If the indication information indicates a transmission interval of the repeated transmission, that is, in the case that the indication information indicates a transmission interval of the repeated transmission, the indication information includes one of:
the number of time slots in the same direction between adjacent time slots used for repeated transmission;
the length of time of the adjacent slot interval used for the repeated transmission.
The number of time slots in the same direction between adjacent time slots used for the repeated transmission can be understood as an interval between adjacent time slots in the same transmission direction used for the repeated transmission, that is, a time slot interval between consecutive transmissions in the repeated transmission.
Considering that in TDD configuration, uplink and downlink transmission timeslots may be discontinuous, in this embodiment of the present application, the adjacent timeslots used for the repeated transmission refer to: two time slots of two consecutive transmissions for a repeat transmission, while the adjacent time slots used for said repeat transmission are not necessarily adjacent in absolute time slots, i.e. not necessarily consecutive in time slot number.
Exemplarily, as shown in fig. 2, it is assumed that a Physical Uplink Shared Channel (PUSCH) is scheduled to be repeated 8 times through a Physical Downlink Control Channel (PDCCH), and if consecutive slots available for uplink transmission in a slot number are all used for repeated transmission, the number of slots in the same direction between adjacent slots used for repeated transmission is 0, and if every other available uplink slot in the slot number is used for repeated transmission, the number of slots in the same direction between adjacent slots used for repeated transmission is 1. In fig. 2, K2 denotes a PDCCH-to-PUSCH slot interval.
For example, when there is an eMBB terminal and an NR Light terminal coexisting on the current BWP, the network device may dynamically indicate that the number of co-directional slots between adjacent slots used for the repeated transmission is 1, which indicates that the scheduled repeated transmission uses 1 available transmission slot every other slot as a slot resource for the repeated transmission when determining the used repeated transmission slot.
When resources do not need to be reserved for the eMBB terminal on the current BWP, the network device may dynamically indicate that the number of co-directional slots between adjacent slots used for the retransmission is 0, which indicates that after the retransmission is scheduled, an available uplink slot is encountered from the start slot, that is, the resource is used for the retransmission.
That is to say, the network device may set a retransmission interval according to a coexistence situation of the eMBB terminal and the NR Light terminal on the same BWP (which may be understood as the same time domain resource), and according to a situation of the eMBB terminal, that is, when a plurality of terminals are on the same time frequency resource and cannot dynamically switch the time domain resource, set the number of timeslots in the same direction between adjacent timeslots used for retransmission according to a situation that cannot dynamically switch the time domain resource terminal.
As can be seen from the above description, after scheduling transmission for N (N is greater than or equal to 2) repetitions, starting from the start position of the scheduling, whether retransmission is performed or interval M (greater than or equal to 0) repetitions are performed whenever an available uplink timeslot is encountered (mainly considering that timeslots of TDD are not consecutive, and downlink timeslot D cannot participate in uplink retransmission in some scenarios, or downlink timeslot D and special timeslot S cannot participate in uplink retransmission in other scenarios), which may be dynamically indicated by control information.
It should be noted that: if there is a time slot n (a special time slot S) between two uplink time slots, which may include both downlink transmission and uplink transmission, i.e., the time slot n may be used for both uplink transmission and downlink transmission, but the uplink transmission part is not enough to carry some transmission of the repeated transmission, the time slot n is not counted in the interval, and only the time slot capable of carrying the repeated transmission will be counted in the interval, for example, in fig. 1, the special time slot S cannot participate in the uplink repeated transmission, so when the interval is counted, the special time slot S will not be counted in the interval.
The indication information includes the time length of the adjacent time slot interval used for the repeated transmission, which can be understood as: the time length between adjacent time slots in the same transmission direction used for the repeated transmission may specifically be: the number of ms of the downlink slot interval participating in the repeated transmission or the number of ms of the uplink slot interval participating in the repeated transmission.
In practical application, at least two ms values, such as 0ms and 5ms, can be predefined to the terminal through a high-level signaling, and the ms value selected by the terminal is dynamically indicated through control information.
Based on this, in an embodiment, in a case that the indication information includes a time length of an adjacent slot interval used for repeated transmission, and the indication information is sent to the terminal through control information, the method may further include:
selecting one time length from a plurality of predefined or network configured time lengths as the time length of the adjacent time slot interval used by the repeated transmission.
That is, the time length of the adjacent slot interval used for the repeated transmission is one selected from a plurality of time lengths predefined or configured by the network.
Exemplarily, as shown in fig. 3, assuming that PUSCH is repeated 8 times by PDCCH scheduling, if consecutive slots available for uplink transmission in slot number are all used for repeated transmission, the time length of the adjacent slot interval used for repeated transmission is 0ms, and if every other available uplink slot in slot number is used for repeated transmission, the time length of the adjacent slot interval used for repeated transmission is 5 ms. In fig. 3, K2 denotes a PDCCH-to-PUSCH slot interval.
That is to say, the network device may set a retransmission interval according to a coexistence situation of the eMBB terminal and the NR Light terminal on the same BWP (which may be understood as the same time domain resource) and according to a situation of the eMBB terminal, that is, when a plurality of terminals are on the same time-frequency resource and cannot dynamically switch the time domain resource, set a time length of an adjacent timeslot interval used for retransmission according to a situation that the terminals cannot dynamically switch the time domain resource.
In practical application, the ms value can be predefined to be matched with the semi-static state, and whether the ms value is effective or not is indicated by 1 bit in the control information.
Based on this, in an embodiment, the time length of the adjacent timeslot interval used for the repeated transmission is matched with the period of the TDD configuration.
Correspondingly, an embodiment of the present application further provides an information transmission method, which is applied to a terminal, and as shown in fig. 4, the method includes:
step 401: receiving indication information;
here, the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
Step 402: and determining time domain resources for repeated transmission by utilizing the indication information.
In an embodiment, in step 401, the indication information is received by one of the following methods:
receiving the indication information through a high-layer signaling;
and receiving the indication information through control information.
Specifically, when the network device sends the indication information through a high-level signaling, the terminal receives the indication information through a high-level signaling; and when the network equipment sends the indication information through control information, the terminal receives the indication information through the control information.
In an embodiment, when the indication information indicates a slot or subframe pattern used for determining a slot available for repeated transmission, that is, when the indication information indicates a slot available for repeated transmission by an indication slot or subframe pattern, the network device may configure at least one slot or subframe pattern for the terminal through a bitmap, where the slot or subframe pattern indicated by the indication information is one slot or subframe pattern selected from the configured at least one slot or subframe pattern.
That is, the terminal receiving network side configures at least one time slot or subframe pattern configured by bitmap; the indication information indicates a slot or subframe pattern selected from the configured at least one slot or subframe pattern.
An embodiment of the present application provides an information transmission method, as shown in fig. 5, the method includes:
step 501: the network equipment sends indication information to the terminal;
the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
Step 502: and the terminal receives the indication information and determines the time domain resources for repeated transmission based on the indication information.
It should be noted that: the specific processing procedures of the network device and the terminal have been described in detail above, and are not described in detail here.
According to the information transmission method provided by the embodiment of the application, the network equipment sends the indication information to the terminal; the indication information indicates one of: time slots available for repeated transmissions; in the transmission interval of the repeated transmission, since the indication information is sent to the terminal, the terminal can determine the time domain resource for the repeated transmission according to the indication information, so that under the condition that different types of terminals coexist, the transmission efficiency of different terminals can be considered, for example, under the condition that an NR Light terminal and an eMBB terminal coexist, the transmission efficiency of the NR Light terminal and the influence on the eMBB terminal are considered, and the condition that the transmission efficiency of the eMBB is reduced due to the existence of the NR Light terminal is avoided.
In order to implement the method of the embodiment of the present application, an embodiment of the present application further provides an information transmission apparatus, which is disposed on a network device, and as shown in fig. 6, the apparatus includes:
a sending unit 61, configured to send instruction information to the terminal, where the instruction information indicates one of the following:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
In an embodiment, as shown in fig. 6, the apparatus may further include:
a first determining unit 62, configured to determine timeslot-related information that the terminal may use for repeated transmission.
In an embodiment, the sending unit 61 is specifically configured to:
sending the indication information to the terminal through a high-level signaling;
and sending the indication information to the terminal through control information.
In an embodiment, the first determining unit 62 is further configured to:
selecting one time slot or subframe pattern from at least one time slot or subframe pattern configured by the network;
the indication information indicates the selected slot or subframe pattern.
In an embodiment, the apparatus may further include:
and the configuration unit is used for configuring at least one time slot or subframe pattern for the terminal through the bitmap.
In an embodiment, in a case that the indication information includes a time length of an adjacent timeslot interval used for repeated transmission, and the indication information is sent to the terminal through control information, the first determining unit 62 is further configured to:
selecting one time length from a plurality of predefined or network configured time lengths as the time length of the adjacent time slot interval used by the repeated transmission.
In practical application, the sending unit 61 may be implemented by a communication interface in an information transmission device; the first determination unit 62 may be implemented by a processor in an information processing apparatus; the configuration unit may be implemented by a processor in the information transfer device in combination with the communication interface.
In order to implement the method at the terminal side in the embodiment of the present application, an embodiment of the present application further provides an information transmission apparatus, which is disposed on a terminal, and as shown in fig. 7, the apparatus includes:
a receiving unit 71, configured to receive indication information, where the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
In an embodiment, the receiving unit 71 is specifically configured to:
receiving the indication information through a high-layer signaling;
and receiving the indication information through control information.
In one embodiment, as shown in fig. 7, the apparatus may further include:
a second determining unit 72, configured to determine, by using the indication information, a time domain resource for repeated transmission.
In an embodiment, when the indication information indicates a slot or subframe pattern used for determining a slot available for repeated transmission, the receiving unit 71 is further configured to:
receiving at least one time slot or subframe pattern configured by a bitmap at a network side;
the indication information indicates a slot or subframe pattern selected from the configured at least one slot or subframe pattern.
In practical application, the receiving unit 71 may be implemented by a communication interface in an information transmission device; the second determination unit 72 may be implemented by a processor in the information transmission apparatus.
It should be noted that: in the information transmission device provided in the above embodiment, only the division of the program modules is exemplified when information is transmitted, and in practical applications, the processing distribution may be completed by different program modules according to needs, that is, the internal structure of the device may be divided into different program modules to complete all or part of the processing described above. In addition, the information transmission apparatus and the information transmission method provided by the above embodiments belong to the same concept, and specific implementation processes thereof are detailed in the method embodiments and are not described herein again.
Based on the hardware implementation of the program module, and in order to implement the method on the network device side in the embodiment of the present application, an embodiment of the present application further provides a network device, as shown in fig. 8, where the network device 80 includes:
a first communication interface 81 capable of performing information interaction with a terminal;
the first processor 82 is connected to the first communication interface 81 to implement information interaction with a terminal, and is configured to execute a method provided by one or more technical solutions of the network device side when running a computer program. And the computer program is stored on the first memory 83.
Specifically, the first communication interface 81 is configured to send indication information to the terminal, where the indication information indicates one of the following:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
In an embodiment, the first processor 82 is configured to determine timeslot-related information that can be used for repeated transmission by the terminal.
In an embodiment, the first communication interface 81 is specifically configured to:
sending the indication information to the terminal through a high-level signaling;
and sending the indication information to the terminal through control information.
In one embodiment, the first processor 82 is further configured to:
selecting one time slot or subframe pattern from at least one time slot or subframe pattern configured by the network;
the indication information indicates the selected slot or subframe pattern.
In an embodiment, the first processor 82 is configured to configure at least one timeslot or subframe pattern for the terminal through a bitmap by using the first communication interface 81.
In an embodiment, in a case that the indication information includes a time length of an adjacent slot interval used for the repeated transmission, and the indication information is sent to the terminal through control information, the first processor 82 is further configured to:
selecting one time length from a plurality of predefined or network configured time lengths as the time length of the adjacent time slot interval used by the repeated transmission.
It should be noted that: the specific processing procedures of the first processor 82 and the first communication interface 81 are detailed in the method embodiment, and are not described herein again.
Of course, in practice, the various components in network device 80 are coupled together by bus system 84. It will be appreciated that the bus system 84 is used to enable communications among the components. The bus system 84 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 84 in fig. 8.
The first memory 83 in the embodiment of the present application is used to store various types of data to support the operation of the network device 80. Examples of such data include: any computer program for operating on network device 80.
The method disclosed in the embodiment of the present application can be applied to the first processor 82, or implemented by the first processor 82. The first processor 82 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the first processor 82. The first Processor 82 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. The first processor 82 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the first memory 83, and the first processor 82 reads the information in the first memory 83 to complete the steps of the foregoing method in conjunction with its hardware.
In an exemplary embodiment, the network Device 80 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the aforementioned methods.
Based on the hardware implementation of the program modules, and in order to implement the method on the terminal side in the embodiment of the present application, as shown in fig. 9, the terminal 90 includes:
the second communication interface 91 can perform information interaction with the network equipment;
and the second processor 92 is connected to the second communication interface 91 to implement information interaction with a network device, and is configured to execute the method provided by one or more technical solutions of the terminal side when running a computer program. And the computer program is stored on the second memory 93.
Specifically, the second communication interface 91 is configured to receive indication information, where the indication information indicates one of the following:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
In an embodiment, the second communication interface 91 is specifically configured to:
receiving the indication information through a high-layer signaling;
and receiving the indication information through control information.
In an embodiment, the second processor 92 is configured to determine a time domain resource for repeated transmission by using the indication information.
In an embodiment, when the indication information indicates a slot or subframe pattern used for determining a slot available for repeated transmission, the second communication interface 91 is further configured to:
receiving at least one time slot or subframe pattern configured by a bitmap at a network side;
the indication information indicates a slot or subframe pattern selected from the configured at least one slot or subframe pattern.
It should be noted that: the specific processing procedures of the second processor 92 and the second communication interface 91 are detailed in the method embodiment, and are not described herein again.
Of course, in practice, the various components in the terminal 90 are coupled together by a bus system 94. It will be appreciated that the bus system 94 is used to enable communications among the components. The bus system 94 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 94 in fig. 9.
The second memory 93 in the embodiment of the present application is used to store various types of data to support the operation of the terminal 90. Examples of such data include: any computer program for operation on the terminal 90.
The method disclosed in the embodiment of the present application may be applied to the second processor 92, or implemented by the second processor 92. The second processor 92 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the second processor 92. The second processor 92 described above may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The second processor 92 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the second memory 93, and the second processor 92 reads the information in the second memory 93 and, in conjunction with its hardware, performs the steps of the foregoing method.
In an exemplary embodiment, the terminal 90 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components for performing the aforementioned methods.
It is understood that the memories (the first memory 83 and the second memory 93) of the embodiments of the present application may be volatile memories or nonvolatile memories, and may include both volatile and nonvolatile memories. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The memories described in the embodiments of the present application are intended to comprise, without being limited to, these and any other suitable types of memory.
In order to implement the method according to the embodiment of the present application, an embodiment of the present application further provides an information transmission system, as shown in fig. 10, where the system includes: network device 101 and terminal 102.
It should be noted that: the specific processing procedures of the network device 101 and the terminal 102 have been described in detail above, and are not described herein again.
In an exemplary embodiment, the present application further provides a storage medium, specifically a computer storage medium, which is a computer readable storage medium, for example, the storage medium includes a first memory 83 storing a computer program, and the computer program can be executed by the first processor 82 of the network device 80 to complete the steps of the network device side method. For example, the second memory 93 may be adapted to store a computer program which is executable by the second processor 92 of the terminal 90 to perform the steps of the terminal side method as described above. The computer readable storage medium may be Memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface Memory, optical disk, or CD-ROM.
It should be noted that: "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The technical means described in the embodiments of the present application may be arbitrarily combined without conflict.
The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application.
Claims (25)
1. An information transmission method applied to a network device includes:
sending indication information to a terminal, the indication information indicating one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
2. The method of claim 1, wherein the indication information is sent to the terminal by one of:
sending the indication information to the terminal through a high-level signaling;
and sending the indication information to the terminal through control information.
3. The method according to claim 1 or 2, wherein the indication information indicates the slots available for repeated transmission by indicating a slot or subframe pattern.
4. The method of claim 3, further comprising:
selecting one time slot or subframe pattern from at least one time slot or subframe pattern configured by the network;
the indication information indicates the selected slot or subframe pattern.
5. The method of claim 4, further comprising:
and configuring at least one time slot or subframe pattern for the terminal through a bitmap.
6. The method of claim 5, wherein the length of the bitmap is associated with a period of a Time Division Duplex (TDD) configuration, or wherein the length of the bitmap is associated with a number of time slots corresponding to a predefined time length.
7. The method according to claim 1 or 2, wherein in case the indication information indicates a transmission interval of a repeated transmission, the indication information comprises one of:
the number of time slots in the same direction between adjacent time slots used for repeated transmission;
the length of time of the adjacent slot interval used for the repeated transmission.
8. The method according to claim 7, wherein in case that the indication information includes a time length of an adjacent slot interval used for the repeated transmission, and the indication information is transmitted to the terminal through control information, the method further comprises:
selecting one time length from a plurality of predefined or network configured time lengths as the time length of the adjacent time slot interval used by the repeated transmission.
9. The method of claim 7, wherein in case that the indication information includes a time length of an adjacent time slot interval used for the repeated transmission, the time length of the adjacent time slot interval used for the repeated transmission matches a period of a TDD configuration.
10. An information transmission method is applied to a terminal, and comprises the following steps:
receiving indication information indicating one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
11. The method of claim 10, wherein the indication information is received by one of:
receiving the indication information through a high-layer signaling;
and receiving the indication information through control information.
12. The method of claim 10, further comprising:
and determining time domain resources for repeated transmission by utilizing the indication information.
13. The method according to any one of claims 10 to 12, wherein the indication information indicates a slot available for repeated transmission by indicating a slot or subframe pattern.
14. The method of claim 13, further comprising:
receiving at least one time slot or subframe pattern configured by a bitmap configured by a network side;
the indication information indicates a slot or subframe pattern selected from the configured at least one slot or subframe pattern.
15. The method of claim 14, wherein a length of the bitmap is associated with a period of the TDD configuration, or wherein a length of the bitmap is associated with a number of time slots corresponding to a predefined time length.
16. The method according to any one of claims 10 to 12, wherein in case that the indication information indicates a transmission interval of a repeated transmission, the indication information comprises one of:
the number of time slots in the same direction between adjacent time slots used for repeated transmission;
the length of time of the adjacent slot interval used for the repeated transmission.
17. The method according to claim 16, wherein in case that the indication information includes a time length of an adjacent slot interval used for the repeated transmission, and the indication information is transmitted to the terminal through control information, the time length of the adjacent slot interval used for the repeated transmission is a time length selected from a plurality of time lengths predefined or configured by a network.
18. The method of claim 16, wherein in case that the indication information includes a time length of an adjacent time slot interval used for the repeated transmission, the time length of the adjacent time slot interval used for the repeated transmission matches a period of a TDD configuration.
19. An information transmission apparatus, comprising:
a sending unit, configured to send indication information to a terminal, where the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
20. An information transmission apparatus, comprising:
a receiving unit, configured to receive indication information, where the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
21. A network device, comprising: a first processor and a first communication interface; wherein the content of the first and second substances,
the first communication interface is configured to send indication information to a terminal, where the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
22. A terminal, comprising: a second processor and a second communication interface; wherein the content of the first and second substances,
the second communication interface is configured to receive indication information, where the indication information indicates one of:
time slots available for repeated transmissions;
a transmission interval of the repeated transmission.
23. A network device, comprising: a first processor and a first memory for storing a computer program capable of running on the processor,
wherein the first processor is adapted to perform the steps of the method of any one of claims 1 to 9 when running the computer program.
24. A terminal, comprising: a second processor and a second memory for storing a computer program capable of running on the processor,
wherein the second processor is adapted to perform the steps of the method of any of claims 10 to 18 when running the computer program.
25. A storage medium having stored thereon a computer program for performing the steps of the method of any one of claims 1 to 9, or for performing the steps of the method of any one of claims 10 to 18, when the computer program is executed by a processor.
Priority Applications (2)
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| CN202010290040.XA CN113543316A (en) | 2020-04-14 | 2020-04-14 | Information transmission method, device, related equipment and storage medium |
| PCT/CN2021/086250 WO2021208820A1 (en) | 2020-04-14 | 2021-04-09 | Information transmission method and apparatus, and related device and storage medium |
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| CN202010290040.XA CN113543316A (en) | 2020-04-14 | 2020-04-14 | Information transmission method, device, related equipment and storage medium |
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| CN101827307A (en) * | 2009-03-03 | 2010-09-08 | 中兴通讯股份有限公司 | Method for transmitting multicast-zone position information |
| WO2011009363A1 (en) * | 2009-07-21 | 2011-01-27 | 中兴通讯股份有限公司 | Method and system for obtaining multicast broadcast service |
| CN109891790A (en) * | 2017-05-18 | 2019-06-14 | Lg 电子株式会社 | The method and device thereof of uplink transmission are executed in a wireless communication system |
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