WO2020024287A1 - 时隙格式指示方法、装置、设备、系统及存储介质 - Google Patents
时隙格式指示方法、装置、设备、系统及存储介质 Download PDFInfo
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- WO2020024287A1 WO2020024287A1 PCT/CN2018/098639 CN2018098639W WO2020024287A1 WO 2020024287 A1 WO2020024287 A1 WO 2020024287A1 CN 2018098639 W CN2018098639 W CN 2018098639W WO 2020024287 A1 WO2020024287 A1 WO 2020024287A1
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- indication information
- uplink
- target
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- time slot
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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 signalling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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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
- H04L5/0078—Timing of allocation
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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
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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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
- 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
- H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
Definitions
- the present disclosure relates to the field of wireless communication technologies, and in particular, to a method, an apparatus, a device, a system, and a storage medium for indicating a time slot format.
- LBT Listen Before Talk
- the moment when the base station starts to occupy the channel on the unlicensed spectrum is likely to be located in the middle of a complete time slot, that is, there may be some time slots in the time period when the base station is occupying the channel on the unlicensed spectrum English: partial slot), the so-called partial slot is a concept relative to the complete slot, in which a complete slot includes 14 symbols (English: symbol), and the number of symbols included in a partial slot is less than 14.
- Embodiments of the present disclosure provide a method, an apparatus, a device, a system, and a storage medium for indicating a time slot format, which can reduce the adverse effects of some time slots on normal communication between a base station and a UE.
- a method for indicating a slot format including:
- time slot format indication information is sent to the user equipment UE through the target channel, and the time slot format indication information is used to indicate the uplink and downlink formats of the N symbols included in the target part time slot , N is a positive integer less than 14;
- the target partial time slot is located in a time period when the base station occupies the target channel, and the target channel is located on an unlicensed spectrum.
- the target partial time slot is a first time slot within a time period in which the base station occupies the target channel
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the last N symbols of the 14 symbols included in the first complete timeslot.
- the slot format indication information includes first symbol number indication information and first complete slot format indication information
- the first symbol number indication information is used to indicate the N
- the first complete time slot format indication information is used to indicate an uplink and downlink format of the 14 symbols included in the first complete time slot.
- the target partial time slot is a last time slot within a time period in which the base station occupies the target channel
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the first N symbols of the 14 symbols included in the second complete timeslot.
- the slot format indication information includes second symbol number indication information and second complete slot format indication information
- the second symbol number indication information is used to indicate the N
- the second complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the second complete time slot.
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the consecutive N symbols of the 14 symbols included in the third complete slot. .
- the slot format indication information includes third symbol number indication information, third complete slot format indication information, and first start position indication information;
- the third symbol number indication information is used to indicate the N
- the third complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the third complete time slot.
- the first starting position indication information is used to indicate a position of a first symbol in the consecutive N symbols in the third complete time slot.
- the slot format indication information includes a target format identifier;
- the uplink and downlink formats of the N symbols included in the target partial slot are a target uplink and downlink format sequence corresponding to the target format identifier in the slot format table The uplink and downlink formats of the included N symbols;
- the slot format table stores a correspondence between at least one set of format identifiers and uplink and downlink format sequences.
- the uplink and downlink format sequences include uplink and downlink formats of M symbols, and M is a positive integer in a set of target positive integers.
- the target positive integer set includes at least one positive integer less than 14, and the N exists in the target positive integer set.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are the same as the uplink and downlink formats of consecutive M symbols of the 14 symbols included in the fourth complete time slot.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are different from the uplink and downlink formats of any consecutive M symbols in any complete time slot.
- the target uplink and downlink format sequence is composed of uplink and downlink formats of R symbols, where R is a positive integer greater than N and less than 14; the uplink and downlink formats of the N symbols included in the target partial time slot and the The uplink and downlink formats of the consecutive N symbols in the target uplink and downlink format sequence are the same.
- the slot format indication information further includes fourth symbol number indication information and second starting position indication information, and the fourth symbol number indication information is used to indicate the N, the second starting The start position indication information is used to indicate a position of a first symbol among the N consecutive symbols in the R symbols.
- sending the slot format indication information to the user equipment UE through the target channel includes:
- Target downlink control information DCI to the UE through the target channel, where the target DCI carries the slot format indication information.
- a method for indicating a slot format including:
- the slot format indication information is sent by the base station when the base station hears that the target channel is in an idle state, and the target part of the time slot is located within a time period when the base station occupies the target channel.
- the target channel is located on the unlicensed spectrum.
- the target partial time slot is a first time slot within a time period in which the base station occupies the target channel
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the last N symbols of the 14 symbols included in the first complete timeslot.
- the slot format indication information includes first symbol number indication information and first complete slot format indication information
- the first symbol number indication information is used to indicate the N
- the first complete time slot format indication information is used to indicate an uplink and downlink format of the 14 symbols included in the first complete time slot.
- the target partial time slot is a last time slot within a time period in which the base station occupies the target channel
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the first N symbols of the 14 symbols included in the second complete timeslot.
- the slot format indication information includes second symbol number indication information and second complete slot format indication information
- the second symbol number indication information is used to indicate the N
- the second complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the second complete time slot.
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the consecutive N symbols of the 14 symbols included in the third complete slot. .
- the slot format indication information includes third symbol number indication information, third complete slot format indication information, and first start position indication information;
- the third symbol number indication information is used to indicate the N
- the third complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the third complete time slot.
- the first starting position indication information is used to indicate a position of a first symbol in the consecutive N symbols in the third complete time slot.
- the slot format indication information includes a target format identifier;
- the uplink and downlink formats of the N symbols included in the target partial slot are a target uplink and downlink format sequence corresponding to the target format identifier in the slot format table The uplink and downlink formats of the included N symbols;
- the slot format table stores a correspondence between at least one set of format identifiers and uplink and downlink format sequences.
- the uplink and downlink format sequences include uplink and downlink formats of M symbols, and M is a positive integer in a set of target positive integers.
- the target positive integer set includes at least one positive integer less than 14, and the N exists in the target positive integer set.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are the same as the uplink and downlink formats of consecutive M symbols of the 14 symbols included in the fourth complete time slot.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are different from the uplink and downlink formats of any consecutive M symbols in any complete time slot.
- the target uplink and downlink format sequence is composed of uplink and downlink formats of R symbols, where R is a positive integer greater than N and less than 14; the uplink and downlink formats of the N symbols included in the target partial time slot and the The uplink and downlink formats of the consecutive N symbols in the target uplink and downlink format sequence are the same.
- the slot format indication information further includes fourth symbol number indication information and second starting position indication information, and the fourth symbol number indication information is used to indicate the N, the second starting The start position indication information is used to indicate a position of a first symbol among the N consecutive symbols in the R symbols.
- the receiving slot format indication information sent by the receiving base station through the target channel includes:
- Target downlink control information DCI sent by the base station through the target channel, where the target DCI carries the time slot format indication information.
- a slot format indication device including:
- a sending module configured to send slot format instruction information to the user equipment UE through the target channel when the target channel is detected to be in an idle state, where the slot format instruction information is used to indicate the N part of the target slot Up and down format of the symbol, N is a positive integer less than 14;
- the target partial time slot is located in a time period when the base station occupies the target channel, and the target channel is located on an unlicensed spectrum.
- the target partial time slot is a first time slot within a time period in which the base station occupies the target channel
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the last N symbols of the 14 symbols included in the first complete timeslot.
- the slot format indication information includes first symbol number indication information and first complete slot format indication information
- the first symbol number indication information is used to indicate the N
- the first complete time slot format indication information is used to indicate an uplink and downlink format of the 14 symbols included in the first complete time slot.
- the target partial time slot is a last time slot within a time period in which the base station occupies the target channel
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the first N symbols of the 14 symbols included in the second complete timeslot.
- the slot format indication information includes second symbol number indication information and second complete slot format indication information
- the second symbol number indication information is used to indicate the N
- the second complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the second complete time slot.
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the consecutive N symbols of the 14 symbols included in the third complete slot. .
- the slot format indication information includes third symbol number indication information, third complete slot format indication information, and first start position indication information;
- the third symbol number indication information is used to indicate the N
- the third complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the third complete time slot.
- the first starting position indication information is used to indicate a position of a first symbol in the consecutive N symbols in the third complete time slot.
- the slot format indication information includes a target format identifier;
- the uplink and downlink formats of the N symbols included in the target partial slot are a target uplink and downlink format sequence corresponding to the target format identifier in the slot format table The uplink and downlink formats of the included N symbols;
- the slot format table stores a correspondence between at least one set of format identifiers and uplink and downlink format sequences.
- the uplink and downlink format sequences include uplink and downlink formats of M symbols, and M is a positive integer in a set of target positive integers.
- the target positive integer set includes at least one positive integer less than 14, and the N exists in the target positive integer set.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are the same as the uplink and downlink formats of consecutive M symbols of the 14 symbols included in the fourth complete time slot.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are different from the uplink and downlink formats of any consecutive M symbols in any complete time slot.
- the target uplink and downlink format sequence is composed of uplink and downlink formats of R symbols, where R is a positive integer greater than N and less than 14; the uplink and downlink formats of the N symbols included in the target partial time slot and the The uplink and downlink formats of the consecutive N symbols in the target uplink and downlink format sequence are the same.
- the slot format indication information further includes fourth symbol number indication information and second starting position indication information, and the fourth symbol number indication information is used to indicate the N, the second starting The start position indication information is used to indicate a position of a first symbol among the N consecutive symbols in the R symbols.
- the sending module is specifically configured to:
- Target downlink control information DCI to the UE through the target channel, where the target DCI carries the slot format indication information.
- a slot format indication device including:
- a receiving module configured to receive slot format indication information sent by a base station through a target channel, where the slot format indication information is used to indicate an uplink and downlink format of N symbols included in a target part slot, where N is a positive integer less than 14;
- the slot format indication information is sent by the base station when the base station hears that the target channel is in an idle state, and the target part of the time slot is located within a time period when the base station occupies the target channel.
- the target channel is located on the unlicensed spectrum.
- the target partial time slot is a first time slot within a time period in which the base station occupies the target channel
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the last N symbols of the 14 symbols included in the first complete timeslot.
- the slot format indication information includes first symbol number indication information and first complete slot format indication information
- the first symbol number indication information is used to indicate the N
- the first complete time slot format indication information is used to indicate an uplink and downlink format of the 14 symbols included in the first complete time slot.
- the target partial time slot is a last time slot within a time period in which the base station occupies the target channel
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the first N symbols of the 14 symbols included in the second complete timeslot.
- the slot format indication information includes second symbol number indication information and second complete slot format indication information
- the second symbol number indication information is used to indicate the N
- the second complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the second complete time slot.
- the slot format indication information is used to indicate that the uplink and downlink formats of the N symbols included in the target partial timeslot are the same as the uplink and downlink formats of the consecutive N symbols of the 14 symbols included in the third complete slot. .
- the slot format indication information includes third symbol number indication information, third complete slot format indication information, and first start position indication information;
- the third symbol number indication information is used to indicate the N
- the third complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the third complete time slot.
- the first starting position indication information is used to indicate a position of a first symbol in the consecutive N symbols in the third complete time slot.
- the slot format indication information includes a target format identifier;
- the uplink and downlink formats of the N symbols included in the target partial slot are a target uplink and downlink format sequence corresponding to the target format identifier in the slot format table The uplink and downlink formats of the included N symbols;
- the slot format table stores a correspondence between at least one set of format identifiers and uplink and downlink format sequences.
- the uplink and downlink format sequences include uplink and downlink formats of M symbols, and M is a positive integer in a set of target positive integers.
- the target positive integer set includes at least one positive integer less than 14, and the N exists in the target positive integer set.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are the same as the uplink and downlink formats of consecutive M symbols of the 14 symbols included in the fourth complete time slot.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are different from the uplink and downlink formats of any consecutive M symbols in any complete time slot.
- the target uplink and downlink format sequence is composed of uplink and downlink formats of R symbols, where R is a positive integer greater than N and less than 14; the uplink and downlink formats of the N symbols included in the target partial time slot and the The uplink and downlink formats of the consecutive N symbols in the target uplink and downlink format sequence are the same.
- the slot format indication information further includes fourth symbol number indication information and second starting position indication information, and the fourth symbol number indication information is used to indicate the N, the second starting The start position indication information is used to indicate a position of a first symbol among the N consecutive symbols in the R symbols.
- the receiving module is specifically configured to:
- Target downlink control information DCI sent by the base station through the target channel, where the target DCI carries the time slot format indication information.
- a base station is provided, where the base station includes:
- Memory for storing instructions executable by the processor
- the processor is configured to:
- time slot format indication information is sent to the user equipment UE through the target channel, and the time slot format indication information is used to indicate the uplink and downlink formats of the N symbols included in the target part time slot.
- N is a positive integer less than 14;
- the target partial time slot is located in a time period when the base station occupies the target channel, and the target channel is located on an unlicensed spectrum.
- a user equipment is provided, where the user equipment includes:
- Memory for storing instructions executable by the processor
- the processor is configured to:
- the slot format indication information is sent by the base station when the base station hears that the target channel is in an idle state, and the target part of the time slot is located within a time period when the base station occupies the target channel.
- the target channel is located on the unlicensed spectrum.
- a time slot format indication system includes the time slot format indication device according to any one of the third aspects and the fourth aspect The time slot format indicating device.
- a computer-readable storage medium stores a computer program, and the stored computer program can be implemented as described in the first aspect when executed by a processing component. Any one of the timeslot format indication methods; or
- the time slot format indication method can be implemented.
- time slot format indication information is sent to the user equipment UE through the target channel, where the time slot format indication information is used to indicate that the target part of the time slot includes The uplink and downlink formats of N symbols.
- the target part time slot is located in the time period when the base station occupies the target channel.
- the UE can obtain the uplink and downlink formats of the symbols in the target part time slot according to the indication of the slot format instruction information. Therefore, the UE can send communication data to the base station through the uplink format symbols in the target partial time slot without requiring the base station to request permission.
- the UE can also avoid the PDCCH in the uplink format symbols in the target partial time slot. In this way, the power consumption of the UE and the uplink transmission delay can be reduced, and thus the adverse effects of some time slots on the normal communication between the base station and the UE can be reduced.
- FIG. 1 is a schematic diagram of a time slot in a period when a base station occupies a channel on an unlicensed spectrum.
- Fig. 2 is a schematic diagram showing an implementation environment according to an exemplary embodiment.
- Fig. 3 is a flow chart showing a method for indicating a slot format according to an exemplary embodiment.
- Fig. 4 is a flow chart showing a method for indicating a slot format according to an exemplary embodiment.
- Fig. 5 is a flow chart showing a method for indicating a slot format according to an exemplary embodiment.
- Fig. 6 is a block diagram of a device for indicating a time slot format according to an exemplary embodiment.
- Fig. 7 is a block diagram of a device for indicating a slot format according to an exemplary embodiment.
- Fig. 8 is a block diagram of a device for indicating a slot format according to an exemplary embodiment.
- Fig. 9 is a block diagram of a device for indicating a slot format according to an exemplary embodiment.
- Fig. 10 is a block diagram showing a slot format indication system according to an exemplary embodiment.
- a complete time slot includes 14 symbols (English: symbol), and the format of the complete time slot refers to the uplink and downlink format of each symbol included in the complete time slot.
- the uplink and downlink formats of the symbols are used to characterize the transmission direction of the data in the symbols.
- the uplink and downlink formats of the symbols can be divided into three categories, which are the uplink format (usually represented by the letter U) and the downlink format ( It is usually represented by the letter D) and indeterminate format (usually by the letter X).
- the data transmission direction is the uplink direction.
- the user equipment (English: User Equipment; UE for short) can send communication data to the base station in the symbol of the uplink format; in the symbol of the downlink format, the data transmission The direction is the downlink direction.
- the UE can receive the communication data sent by the base station in the symbol in the downlink format.
- the UE needs to determine the transmission direction of the data in the symbol through the further instruction of the base station, that is, the UE needs It is determined through the further instruction of the base station whether the UE can send communication data to the base station in the symbol, or the UE needs to determine whether the UE can receive the communication data sent by the base station in the symbol through the further instruction of the base station.
- the 5G NR communication system defines a table of complete time slot formats. There are a total of 256 formats in the table, of which the format of the first 56 complete time slots has been clearly given, and the following 200 formats are reserved for subsequent determination.
- the format of the 56 complete time slots is shown in Table 1:
- the uplink and downlink formats of each symbol are downlink formats
- the uplink and downlink of each symbol are all uplink formats.
- the uplink and downlink formats of the first 13 symbols are all downlink formats
- the uplink and downlink formats of the last symbol are uncertain formats.
- the base station can indicate the format of the complete time slot to the UE using 8-bit data.
- the UE can determine the uplink and downlink format of each symbol in the complete time slot according to the instruction of the base station.
- the UE can perform physical downlink in the symbols of the downlink format.
- the control channel (English: Physical Downlink Control Channel; PDCCH for short) performs blind detection to receive downlink control information (English: Downlink ControlInformation; DCI) sent by the base station to the UE through the PDCCH, and receives the DCI according to the schedule of the DCI.
- the communication data sent by the base station At the same time, the UE can also send the communication data to the base station in the symbol of the uplink format without requiring permission from the base station.
- the UE After the uplink and downlink formats of each symbol in the complete time slot are determined, the UE does not need to perform a blind detection on the PDCCH in the symbols in the uplink format, and at the same time, the UE does not need to request permission from the base station to be in the symbols in the uplink format Send communication data to the base station. Therefore, the base station indicates the format of the complete time slot to the UE, which can reduce the power consumption of the UE on the one hand, and reduce the uplink transmission delay of the UE on the other hand.
- 5GNR communication systems can work on unlicensed spectrum.
- the communication of the base station generally uses a listen-before-talk (English: Listen Before Talk; LBT) mechanism, that is, the base station needs to first send Listen on a channel on the unlicensed spectrum (hereinafter referred to as the target channel). Only when the target channel is heard to be idle can the target channel be used to send communication data. At the same time, the base station cannot occupy the target channel for longer than the longest channel. Time (English: Maximum Channel, Occupancy, Time; MCOT for short). When the length of the occupied target channel reaches MCOT, the base station needs to perform LBT again to compete for the channel.
- LBT Listen Before Talk
- the moment when the base station starts occupying the target channel is likely to be exactly in the middle of a complete time slot, and at the same time, the moment when the base station ends occupying the target channel is also likely to be exactly in the middle of a complete time slot.
- the moment when the base station starts occupying the target channel is exactly in the middle of the complete time slot 0, and at the same time, the moment when the base station ends occupying the target channel is exactly in the middle of the complete time slot 4.
- the moment when the base station starts occupying and ends occupying the target channel may be located in the middle of a complete time slot, there may be some time slots (English: partial slot) in the time period when the base station occupies the target channel.
- the so-called partial time slot is a concept relative to the complete time slot. In a 5GNR communication system, the number of symbols included in a partial time slot is less than 14.
- the format of some time slots is not defined.
- the current communication standard does not specify the indication method of some time slots. Therefore, when there are partial time slots in the time period when the base station occupies the target channel, the UE cannot determine the uplink and downlink formats of the symbols in the partial time slots according to the instruction of the base station. Therefore, the UE needs to perform a blind detection of the PDCCH in each symbol of the partial time slot.
- the UE when it needs to send communication data to the base station in the partial time slot, the UE must request the permission of the base station, and according to the base station's Instruct the sending of communication data, which will undoubtedly affect the normal communication between the base station and the UE.
- An embodiment of the present disclosure provides a method for indicating a time slot format, which can reduce part of the time slots that adversely affect normal communication between a base station and a UE.
- the base station may send the time slot format indication information to the UE when it detects that the target channel is in an idle state, where the time slot format indication information is used to indicate the N number of timeslots included in the target part.
- the target time slot is located in the time period when the base station occupies the target channel.
- the UE can obtain the uplink and downlink format of the symbol in the target time slot according to the indication of the time slot format indication information, so that The UE can send communication data to the base station through the uplink format symbols in the target partial time slot without requesting the base station permission.
- the UE can also avoid blindness of the PDCCH in the uplink format symbols in the target partial time slot. In this way, the power consumption of the UE and the uplink transmission delay can be reduced, so the adverse effects of some time slots on the normal communication between the base station and the UE can be reduced.
- FIG. 2 is a schematic diagram of an implementation environment involved in a method for indicating a slot format according to an embodiment of the present disclosure.
- the implementation environment may include a base station 10 and a UE 20.
- the base station 10 and the UE 20 may be connected through a communication network, and the UE 20 is any UE in a cell served by the base station 10.
- the communication network may be a 5G NR communication network, or another communication network similar to the 5G NR communication network.
- Fig. 3 is a flow chart showing a method for indicating a slot format according to an exemplary embodiment.
- the method for indicating a slot format can be used in the base station 10 shown in Fig. 2.
- the slot format The instructions include the following steps:
- Step 301 When it is detected that the target channel is in an idle state, the base station sends the slot format indication information to the UE through the target channel.
- the time slot format indication information is used to indicate the uplink and downlink formats of the N symbols included in the target part time slot, where N is a positive integer less than 14, and the target part time slot is located within the time period when the base station occupies the target channel.
- the target channel is located on the unlicensed spectrum.
- a base station when a base station detects that a target channel located on an unlicensed spectrum is in an idle state, it sends slot format indication information to the UE, where the slot
- the format indication information is used to indicate the uplink and downlink formats of the N symbols included in the target part time slot, and the target part time slot is located in the time period when the base station occupies the target channel.
- the UE can obtain according to the indication of the slot format instruction information.
- the uplink and downlink formats of the symbols in the target partial time slot so that the UE can send communication data to the base station through the symbols in the uplink format in the target partial time slot without requiring permission from the base station.
- the UE can avoid The blind detection of the PDCCH is performed on the symbols in the uplink format of the target part time slot. In this way, the power consumption of the UE and the uplink transmission delay can be reduced, so the part of the time slot can reduce the normal communication between the base station and the UE Adverse effects.
- Fig. 4 is a flow chart showing a method for indicating a slot format according to an exemplary embodiment.
- the method for indicating a slot format can be used in the UE 20 shown in Fig. 2.
- the slot format The instructions include the following steps:
- Step 401 The UE receives the slot format indication information sent by the base station through the target channel.
- the time slot format indication information is used to indicate the uplink and downlink formats of the N symbols included in the target time slot.
- N is a positive integer less than 14.
- the time slot format indication information is that the base station detects that the target channel is idle. Sent in the state, the target part time slot is located in the time period when the base station occupies the target channel, and the target channel is located on the unlicensed spectrum.
- the timeslot format indication method includes receiving timeslot format indication information sent by a base station using a target channel, where the timeslot format indication information is used to indicate the N number of timeslots included in the target part.
- the uplink and downlink formats of the symbol is located in the time period when the base station occupies the target channel.
- the UE can obtain the uplink and downlink format of the symbol in the target time slot according to the indication of the time slot format indication information, so that The UE can send communication data to the base station through the uplink format symbols in the target partial time slot without requesting the base station permission.
- the UE can also avoid blindness of the PDCCH in the uplink format symbols in the target partial time slot. In this way, the power consumption of the UE and the uplink transmission delay can be reduced, so the adverse effects of some time slots on the normal communication between the base station and the UE can be reduced.
- Fig. 5 is a flow chart showing a method for indicating a slot format according to an exemplary embodiment.
- the method for indicating a slot format can be used in the implementation environment shown in Fig. 2.
- the slot format The instructions include the following steps:
- Step 501 The base station monitors whether the target channel is in an idle state.
- the base station needs to listen to the channel on the unlicensed spectrum (that is, the target channel) before sending communication data, and only when the target channel is heard to be idle Use this target channel to send communication data. Therefore, in the embodiment of the present disclosure, the base station needs to perform the technical process of step 501 described above.
- the target channel is idle means that the target channel is not occupied, and correspondingly, the target channel is not idle means that the target channel is being occupied.
- Step 502 When it is detected that the target channel is in an idle state, the base station sends the slot format indication information to the UE through the target channel.
- the base station When it is detected that the target channel is in an idle state, the base station can occupy the target channel and transmit communication data through the target channel.
- the base station in order to reduce the power consumption of the UE and the uplink transmission delay of the UE, that is, in order to reduce the adverse effect of some time slots on the normal communication between the base station and the UE, the base station may occupy the target channel. Then, the slot format indication information is sent to the UE through the target channel.
- the slot format indication information is used to indicate the uplink and downlink formats of the N symbols included in the target part time slot, where N is a positive integer less than 14, and the target part time slot is located within the time period when the base station occupies the target channel.
- the target partial time slot may be a partial time slot 1 or a partial time slot 2 shown in FIG. 1.
- the base station may send the slot format indication information to the UE through DCI. That is, when detecting that the target channel is in an idle state, the base station may send DCI to the UE through the target channel, where the DCI carries the foregoing slot format indication information.
- the embodiments of the present disclosure provide two ways of indicating the format of the target part slot by the slot format indication information, wherein the format of the target part slot refers to the uplink and downlink of each symbol included in the target part slot. format.
- the embodiments of the present disclosure will briefly explain these two methods:
- the slot format indication information can use the format of the complete slot to indicate the format of the target partial slot.
- the two target partial time slots can be the first one in the time period when the base station occupies the target channel. Time slot and last time slot.
- the N symbols included in the target part time slot may be the last N of the 14 symbols included in a complete time slot. Symbol; if the target part time slot is the last time slot in the time period when the base station occupies the target channel, the N symbols included in the target part time slot may be the first N symbols of the 14 symbols included in a complete time slot .
- part of time slot 1 may include 7 symbols
- the 7 symbols are the last 7 symbols of the 14 symbols included in complete time slot
- part of time slot 2 may include 7 symbols.
- the 7 The symbols are the first 7 symbols of the 14 symbols included in the complete time slot 4.
- the time slot format indicates The information can use the format of the complete time slot to indicate the format of the target partial time slot.
- the slot format indication information may indicate the uplink and downlink formats of the N symbols included in the target part time slot and the first time slot.
- the uplink and downlink formats of the last N symbols of the 14 symbols included in the complete time slot are the same.
- the format of the first complete time slot may be a complete time slot format with the time slot format number 3 in Table 1, and the time slot format indication information may indicate the uplink and downlink formats and times of the N symbols included in the target partial time slot.
- the uplink and downlink formats of the last N symbols in the complete slot format with the slot format number 3 are the same.
- the uplink and downlink formats of the N (3) symbols included in the target partial time slot indicated by the slot format indication information are D (downlink format) and D (downlink format). ) And X (indeterminate format).
- the slot format indication information may include first symbol number indication information and first complete slot format indication information.
- the first symbol number indication information is used to indicate the above N (that is, the number of symbols included in the target partial time slot), and the first complete slot format indication information is used to indicate the 14 symbols included in the first complete time slot. Format (that is, the format of the first complete time slot).
- the length of the first symbol number indication information may be 4 bits, and the length of the first complete slot format indication information may be 8 bits.
- the slot format indication information may indicate the uplink and downlink formats of the N symbols included in the target part time slot and the second complete The uplink and downlink formats of the first N symbols of the 14 symbols included in the time slot are the same.
- the format of the first complete time slot may be the complete time slot format with the time slot format number 10 in Table 1.
- the time slot format indication information may indicate the uplink and downlink formats and times of the N symbols included in the target partial time slot.
- the uplink and downlink formats of the first N symbols in the complete slot format with the slot format number 10 are the same.
- the uplink and downlink formats of the N (3) symbols included in the target partial time slot indicated by the slot format indication information are X (indeterminate format) and U (uplink) Format) and U (upstream format).
- the slot format indication information may include second symbol number indication information and second complete slot format indication information.
- the second symbol number indication information is used to indicate the above N (that is, the number of symbols included in the target partial time slot), and the second complete slot format indication information is used to indicate the 14 symbols included in the second complete time slot. Format (that is, the format of the second complete time slot).
- the length of the second symbol number indication information may be 4 bits, and the length of the second complete slot format indication information may be 8 bits.
- the slot format indication information may also indicate the uplink and downlink of the N symbols included in the target part time slot.
- the format is the same as the uplink and downlink formats of consecutive N symbols of the 14 symbols included in the third complete slot.
- the “N consecutive symbols” herein may be any consecutive N symbols except the first N symbols and the last N symbols of the 14 symbols included in the third complete time slot.
- the format of the third complete time slot may be the complete time slot format with the time slot format number 12 in Table 1.
- the time slot format indication information may indicate the uplink and downlink formats and times of the N symbols included in the target time slot.
- the uplink and downlink formats of consecutive N symbols are the same.
- the uplink and downlink formats of the N (3) symbols included in the target partial time slot indicated by the slot format indication information are X (indeterminate format) and U (uplink) Format) and U (determined format above).
- the slot format indication information may include third symbol number indication information, third complete slot format indication information, and first start position indication information;
- the third symbol number indication information is used to indicate the above N (that is, the number of symbols included in the target partial time slot), and the third complete slot format indication information is used to indicate the 14 symbols included in the third complete time slot.
- the first starting position indication information is used to indicate the position of the first symbol in the foregoing N consecutive symbols in the third complete time slot.
- the length of the third symbol number indication information may be 4 bits
- the length of the third complete slot format indication information may be 8 bits
- the length of the first start position indication information may be 4 Bits.
- the third symbol number indication information and the first start position indication information may be jointly indicated.
- the format of the first complete time slot, the format of the second complete time slot, and the format of the third complete time slot can all be the 56 complete time slot formats defined by the 5G NR communication system. One of them is not specifically limited in the embodiment of the present disclosure.
- the slot format indication information can directly indicate the format of the target part slot by using the target format identifier.
- both the base station and the UE can maintain a slot format table, which can be preset by the 5G NR communication system.
- the slot format table can be specified by a communication standard, or, The slot format table may also be generated by the base station and sent to the UE.
- the time slot format table may store at least one set of correspondences between format identifiers and uplink and downlink format sequences, where the uplink and downlink format sequences include uplink and downlink formats of M symbols, and M is a positive integer in the target positive integer set.
- the target positive integer set includes at least one positive integer less than 14, and the aforementioned N exists in the target positive integer set.
- N can be 3, and the target positive integer set can include 3 positive integers, which are 2, 3, and 4 (3 exists in the target positive integer set), and the slot format table can be shown in Table 2:
- the uplink-downlink format sequence in the slot format table may include an uplink-downlink format of 2 symbols, an uplink-downlink format of 3 symbols, or an uplink-downlink format of 4 symbols.
- 2, 3, and 4 are all positive integers included in the target positive integer set.
- the slot format indication information may include a target format identifier
- the uplink and downlink formats of the N symbols included in the target part slot may be a target uplink and downlink format sequence corresponding to the target format identifier in the slot format table.
- the uplink and downlink formats of the included N symbols may include a target format identifier, and the uplink and downlink formats of the N symbols included in the target part slot may be a target uplink and downlink format sequence corresponding to the target format identifier in the slot format table.
- the slot format indication information may include a target format identifier a1, and the target uplink and downlink format sequence corresponding to the target format identifier a1 in the slot format table shown in Table 2 is "DDD", then the target part of the slot includes N (3)
- the uplink and downlink formats of the symbols can be D (downlink format), D (downlink format), and D (downlink format), respectively.
- the uplink and downlink formats of the M symbols included in the sequence of the uplink and downlink formats in the slot format table are the same as the uplink and downlink formats of consecutive M symbols of the 14 symbols included in the fourth complete slot.
- the format of the fourth complete time slot may be one of the 56 complete time slot formats defined by the 5G NR communication system.
- the uplink and downlink formats of the M symbols included in the sequence of the uplink and downlink formats in the time slot format table are different from the uplink and downlink formats of any consecutive M symbols in any complete time slot.
- the format of any complete time slot is one of the 56 complete time slot formats defined by the 5G NR communication system.
- the target uplink and downlink format sequence corresponding to the target format identifier may be composed of uplink and downlink formats of R symbols, where R is a positive integer greater than N and less than 14, and the target partial time slot includes N
- R is a positive integer greater than N and less than 14
- the target partial time slot includes N
- the uplink and downlink formats of the symbols are the same as the uplink and downlink formats of consecutive N symbols in the target uplink and downlink format sequence.
- the slot format indication information may further include fourth symbol number indication information and second start position indication information.
- the fourth symbol number indication information is used to indicate the N
- the second starting position indication information is used to indicate the position of the first one of the consecutive N symbols in the R symbols included in the target uplink and downlink format sequence.
- Step 503 The UE receives the slot format indication information sent by the base station.
- a base station when a base station detects that a target channel located on an unlicensed spectrum is in an idle state, it sends slot format indication information to the UE, where the slot
- the format indication information is used to indicate the uplink and downlink formats of the N symbols included in the target part time slot, and the target part time slot is located in the time period when the base station occupies the target channel.
- the UE can obtain according to the indication of the slot format instruction information.
- the uplink and downlink formats of the symbols in the target partial time slot so that the UE can send communication data to the base station through the symbols in the uplink format in the target partial time slot without requiring permission from the base station.
- the UE can avoid The blind detection of the PDCCH is performed on the symbols in the uplink format of the target part time slot. In this way, the power consumption of the UE and the uplink transmission delay can be reduced. Therefore, the part of the time slot can reduce the normal communication between the base station and the UE. Adverse effects.
- Fig. 6 is a block diagram of a time slot format indicating device 600 according to an exemplary embodiment.
- the time slot format indicating device 600 may be provided in the base station 10 shown in Fig. 2.
- the slot format indicating device 600 includes a sending module 601.
- the sending module 601 is configured to send time slot format indication information to the user equipment UE through the target channel when it is detected that the target channel is in an idle state.
- the time slot format indication information is used to indicate the uplink and downlink formats of the N symbols included in the target part time slot, where N is a positive integer less than 14, the target part time slot is located in the time period when the base station occupies the target channel, and the target channel Located on unlicensed spectrum.
- the target partial time slot is a first time slot within a time period when the base station occupies the target channel; the slot format indication information is used to indicate N target partial time slots included
- the uplink and downlink formats of the symbols are the same as the uplink and downlink formats of the last N symbols of the 14 symbols included in the first complete time slot.
- the slot format indication information includes first symbol number indication information and first complete slot format indication information; wherein the first symbol number indication information is used to indicate the N, the The first complete time slot format indication information is used to indicate an uplink and downlink format of the 14 symbols included in the first complete time slot.
- the target part time slot is the last time slot in the time period when the base station occupies the target channel; the slot format indication information is used to indicate the N symbols included in the target part time slot.
- the slot format indication information includes second symbol number indication information and second complete slot format indication information; wherein the second symbol number indication information is used to indicate the N, the The second complete time slot format indication information is used to indicate an uplink and downlink format of the 14 symbols included in the second complete time slot.
- the slot format indication information is used to indicate an uplink and downlink format of the N symbols included in the target partial slot and the upper and lower consecutive N symbols of the 14 symbols included in the third complete slot.
- the line format is the same.
- the slot format indication information includes third symbol number indication information, third complete slot format indication information, and first starting position indication information; wherein the third symbol number indication information It is used to indicate the N, the third complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the third complete time slot, and the first starting position indication information is used to indicate the N consecutive symbols. The position of the first symbol in the third complete time slot.
- the slot format indication information includes a target format identifier; the uplink and downlink formats of the N symbols included in the target partial slot are the target uplink and downlink corresponding to the target format identifier in the slot format table.
- the format sequence includes the uplink and downlink formats of the N symbols.
- the slot format table stores a correspondence between at least one set of format identifiers and uplink and downlink format sequences.
- the uplink and downlink format sequences include uplink and downlink formats of M symbols.
- M is a positive integer in the target positive integer set
- the target positive integer set includes at least one positive integer less than 14, and the N exists in the target positive integer set.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are the same as the uplink and downlink formats of consecutive M symbols of the 14 symbols included in the fourth complete time slot.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are different from the uplink and downlink formats of any consecutive M symbols in any complete time slot.
- the target uplink and downlink format sequence consists of uplink and downlink formats of R symbols, where R is a positive integer greater than N and less than 14; the uplink and downlink formats of the N symbols included in the target partial time slot This is the same as the uplink and downlink formats of consecutive N symbols in the target uplink and downlink format sequence.
- the slot format indication information further includes fourth symbol number indication information and second start position indication information, and the fourth symbol number indication information is used to indicate the N, the second The starting position indication information is used to indicate the position of the first symbol in the N consecutive symbols in the R symbols.
- the sending module 601 is specifically configured to send target downlink control information DCI to the UE through the target channel, where the target DCI carries the slot format indication information.
- the slot format indication device sends a slot format indication information to a UE when it detects that a target channel located on an unlicensed spectrum is in an idle state, where the slot format
- the indication information is used to indicate the uplink and downlink formats of the N symbols included in the target part time slot, and the target part time slot is located in the time period when the base station occupies the target channel.
- the UE can obtain the target according to the indication of the time slot format instruction information.
- the uplink and downlink formats of the symbols in the target time slot so that the UE can send communication data to the base station through the symbols in the uplink format in the target time slot without requiring permission from the base station.
- the UE can avoid being in the target time slot.
- the blind detection of the PDCCH is performed on the symbols in the uplink format of some time slots. In this way, the power consumption of the UE and the uplink transmission delay can be reduced. Therefore, the normal communication between the base station and the UE caused by some time slots can be reduced. Negative Effects.
- Fig. 7 is a block diagram of a time slot format indicating device 700 according to an exemplary embodiment.
- the time slot format indicating device 700 may be provided in the UE 20 shown in Fig. 2.
- the slot format indicating device 700 includes a receiving module 701.
- the receiving module 701 is configured to receive slot format indication information sent by a base station through a target channel.
- the time slot format indication information is used to indicate the uplink and downlink formats of the N symbols included in the target part time slot, where N is a positive integer less than 14, and the time slot format indication information is that the base station is in the idle state when the target channel is heard
- the target part of the time slot is located within the time period when the base station occupies the target channel, and the target channel is located on the unlicensed spectrum.
- the target partial time slot is a first time slot within a time period when the base station occupies the target channel; the slot format indication information is used to indicate N target partial time slots included
- the uplink and downlink formats of the symbols are the same as the uplink and downlink formats of the last N symbols of the 14 symbols included in the first complete time slot.
- the slot format indication information includes first symbol number indication information and first complete slot format indication information; wherein the first symbol number indication information is used to indicate the N, the The first complete time slot format indication information is used to indicate an uplink and downlink format of the 14 symbols included in the first complete time slot.
- the target part time slot is the last time slot in the time period when the base station occupies the target channel; the slot format indication information is used to indicate the N symbols included in the target part time slot.
- the slot format indication information includes second symbol number indication information and second complete slot format indication information; wherein the second symbol number indication information is used to indicate the N, the The second complete time slot format indication information is used to indicate an uplink and downlink format of the 14 symbols included in the second complete time slot.
- the slot format indication information is used to indicate an uplink and downlink format of the N symbols included in the target partial slot and the upper and lower consecutive N symbols of the 14 symbols included in the third complete slot.
- the line format is the same.
- the slot format indication information includes third symbol number indication information, third complete slot format indication information, and first starting position indication information; wherein the third symbol number indication information It is used to indicate the N, the third complete time slot format indication information is used to indicate the uplink and downlink formats of the 14 symbols included in the third complete time slot, and the first starting position indication information is used to indicate the N consecutive symbols. The position of the first symbol in the third complete time slot.
- the slot format indication information includes a target format identifier; the uplink and downlink formats of the N symbols included in the target partial slot are the target uplink and downlink corresponding to the target format identifier in the slot format table.
- the format sequence includes the uplink and downlink formats of the N symbols.
- the slot format table stores a correspondence between at least one set of format identifiers and uplink and downlink format sequences.
- the uplink and downlink format sequences include uplink and downlink formats of M symbols.
- M is a positive integer in the target positive integer set
- the target positive integer set includes at least one positive integer less than 14, and the N exists in the target positive integer set.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are the same as the uplink and downlink formats of consecutive M symbols of the 14 symbols included in the fourth complete time slot.
- the uplink and downlink formats of the M symbols included in the uplink and downlink format sequence are different from the uplink and downlink formats of any consecutive M symbols in any complete time slot.
- the target uplink and downlink format sequence consists of uplink and downlink formats of R symbols, where R is a positive integer greater than N and less than 14; the uplink and downlink formats of the N symbols included in the target partial time slot This is the same as the uplink and downlink formats of consecutive N symbols in the target uplink and downlink format sequence.
- the slot format indication information further includes fourth symbol number indication information and second start position indication information, and the fourth symbol number indication information is used to indicate the N, the second The starting position indication information is used to indicate the position of the first symbol in the N consecutive symbols in the R symbols.
- the receiving module 701 is specifically configured to receive target downlink control information DCI sent by the base station through the target channel, where the target DCI carries the slot format indication information.
- the slot format indication device receives the slot format indication information sent by the base station using the target channel, where the slot format indication information is used to indicate the N
- the uplink and downlink formats of the symbol, and the target part time slot is located in the time period when the base station occupies the target channel.
- the UE can obtain the uplink and downlink formats of the symbols in the target part time slot according to the indication of the slot format instruction information.
- Blind detection In this way, the power consumption of the UE and the uplink transmission delay can be reduced, and thus the adverse effects of some time slots on the normal communication between the base station and the UE can be reduced.
- Fig. 8 is a block diagram of a device for indicating a time slot format 800 according to an exemplary embodiment.
- the device 800 may be a mobile phone, a computer, a digital broadcasting terminal, a messaging device, a game console, a tablet device, a medical device, a fitness equipment, a personal digital assistant, and the like.
- the device 800 may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input / output (I / O) interface 812, a sensor component 814, And communication component 816.
- the processing component 802 generally controls the overall operations of the device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
- the processing component 802 may include one or more processors 820 to execute instructions to complete all or part of the steps performed by the UE 20 in the foregoing method embodiments.
- the processing component 802 may include one or more modules to facilitate the interaction between the processing component 802 and other components.
- the processing component 802 may include a multimedia module to facilitate the interaction between the multimedia component 808 and the processing component 802.
- the memory 804 is configured to store various types of data to support operation at the device 800. Examples of these data include instructions for any application or method operating on the device 800, contact data, phone book data, messages, pictures, videos, and the like.
- the memory 804 may be implemented by any type of volatile or non-volatile storage devices, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), Programming read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read-only memory
- EPROM Programming read-only memory
- PROM programmable read-only memory
- ROM read-only memory
- magnetic memory flash memory
- flash memory magnetic disk or optical disk.
- the power component 806 provides power to various components of the device 800.
- the power component 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the device 800.
- the multimedia component 808 includes a screen that provides an output interface between the device 800 and a user.
- the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user.
- the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense a boundary of a touch or slide action, but also detect duration and pressure related to the touch or slide operation.
- the multimedia component 808 includes a front camera and / or a rear camera. When the device 800 is in an operation mode, such as a shooting mode or a video mode, the front camera and / or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
- the audio component 810 is configured to output and / or input audio signals.
- the audio component 810 includes a microphone (MIC) that is configured to receive external audio signals when the device 800 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode.
- the received audio signal may be further stored in the memory 804 or transmitted via the communication component 816.
- the audio component 810 further includes a speaker for outputting audio signals.
- the I / O interface 812 provides an interface between the processing component 802 and a peripheral interface module.
- the peripheral interface module may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
- the sensor component 814 includes one or more sensors for providing status assessment of various aspects of the device 800.
- the sensor component 814 can detect the on / off state of the device 800 and the relative positioning of the components, such as the display and keypad of the device 800, and the sensor component 814 can also detect the change of the position of the device 800 or a component of the device 800 , The presence or absence of the user's contact with the device 800, the orientation or acceleration / deceleration of the device 800, and the temperature change of the device 800.
- the sensor component 814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
- the sensor component 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor component 814 may further include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- the communication component 816 is configured to facilitate wired or wireless communication between the device 800 and other devices.
- the device 800 can access a wireless network based on a communication standard, such as WiFi, 2G, or 3G, or a combination thereof.
- the communication section 816 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
- the communication component 816 further includes a near field communication (NFC) module to facilitate short-range communication.
- the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
- RFID radio frequency identification
- IrDA infrared data association
- UWB ultra wideband
- Bluetooth Bluetooth
- the device 800 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable It is implemented by a gate array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic components, and is configured to perform the technical process performed by the UE 20 in the foregoing method embodiment.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGA field programmable It is implemented by a gate array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic components, and is configured to perform the technical process performed by the UE 20 in the foregoing method embodiment.
- a non-transitory computer-readable storage medium including instructions such as a memory 804 including instructions, may be provided.
- the foregoing instructions may be executed by the processor 820 of the device 800 to complete UE 20 in the foregoing method embodiment.
- the non-transitory computer-readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
- Fig. 9 is a block diagram of a slot format indication device 900 according to an exemplary embodiment.
- the slot format indicating device 900 may be a base station.
- the slot format indication device 900 may include a processor 901, a receiver 902, a transmitter 903, and a memory 904.
- the receiver 902, the transmitter 903, and the memory 904 are connected to the processor 901 through a bus, respectively.
- the processor 901 includes one or more processing cores.
- the processor 901 executes a method performed by a base station in the slot format indication method provided in the embodiment of the present disclosure by running software programs and modules.
- the memory 904 may be used to store software programs and modules. Specifically, the memory 904 may store an application program module 9042 required by the operating system 9041 and at least one function.
- the receiver 902 is configured to receive communication data sent by other devices, and the transmitter 903 is configured to send communication data to other devices.
- Fig. 10 is a block diagram of a time slot format indication system 1000 according to an exemplary embodiment. As shown in Fig. 10, the time slot format indication system 1000 includes a base station 1001 and a UE 1002.
- the base station 1001 is configured to perform the slot format indication method performed by the base station in the embodiment shown in FIG. 5.
- the UE 1002 is configured to perform the slot format indication method performed by the UE in the embodiment shown in FIG. 5.
- a computer-readable storage medium is also provided.
- the computer-readable storage medium is a non-volatile computer-readable storage medium, and the computer-readable storage medium stores a computer program therein.
- a computer program is executed by a processing component, the method for indicating a time slot format provided by the foregoing embodiment of the present disclosure can be implemented.
- An embodiment of the present disclosure also provides a computer program product.
- the computer program product stores instructions that, when run on a computer, enable the computer to execute the slot format indication method provided by the embodiment of the present disclosure.
- An embodiment of the present disclosure further provides a chip, which includes a programmable logic circuit and / or a program instruction, and when the chip is running, can execute a time slot format indication method provided by the embodiment of the present disclosure.
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Abstract
Description
| 格式标识 | 上下行格式序列 |
| a1 | DDD |
| a2 | DU |
| a3 | DDUX |
| a4 | UUX |
| a5 | UDXX |
Claims (32)
- 一种时隙格式指示方法,其特征在于,所述方法包括:在侦听到目标信道处于空闲状态时,通过所述目标信道向用户设备UE发送时隙格式指示信息,所述时隙格式指示信息用于指示目标部分时隙包括的N个符号的上下行格式,N为小于14的正整数;其中,所述目标部分时隙位于基站占用所述目标信道的时间段内,所述目标信道位于非授权频谱上。
- 根据权利要求1所述的方法,其特征在于,所述目标部分时隙为所述基站占用所述目标信道的时间段内的第一个时隙;所述时隙格式指示信息用于指示所述目标部分时隙包括的N个符号的上下行格式与第一完整时隙包括的14个符号中后N个符号的上下行格式相同。
- 根据权利要求2所述的方法,其特征在于,所述时隙格式指示信息包括第一符号个数指示信息和第一完整时隙格式指示信息;其中,所述第一符号个数指示信息用于指示所述N,所述第一完整时隙格式指示信息用于指示所述第一完整时隙包括的14个符号的上下行格式。
- 根据权利要求1所述的方法,其特征在于,所述目标部分时隙为所述基站占用所述目标信道的时间段内的最后一个时隙;所述时隙格式指示信息用于指示所述目标部分时隙包括的N个符号的上下行格式与第二完整时隙包括的14个符号中前N个符号的上下行格式相同。
- 根据权利要求4所述的方法,其特征在于,所述时隙格式指示信息包括第二符号个数指示信息和第二完整时隙格式指示信息;其中,所述第二符号个数指示信息用于指示所述N,所述第二完整时隙格式指示信息用于指示所述第二完整时隙包括的14个符号的上下行格式。
- 根据权利要求1所述的方法,其特征在于,所述时隙格式指示信息用于指示所述目标部分时隙包括的N个符号的上下行格式与第三完整时隙包括的14个符号中连续N个符号的上下行格式相同。
- 根据权利要求6所述的方法,其特征在于,所述时隙格式指示信息包括第三符号个数指示信息、第三完整时隙格式指示信息和第一起始位置指示信息;其中,所述第三符号个数指示信息用于指示所述N,所述第三完整时隙格式指示信息用于指示所述第三完整时隙包括的14个符号的上下行格式,所述第一起始位置指示信息用于指示所述连续N个符号中的第一个符号在所述第三完整时隙中的位置。
- 根据权利要求1所述的方法,其特征在于,所述时隙格式指示信息包括目标格式标识;所述目标部分时隙包括的N个符号的上下行格式为时隙格式表中与所述目标格式标识对应的目标上下行格式序列包括的N个符号的上下行格式;其中,所述时隙格式表中存储有至少一组格式标识与上下行格式序列的对应关系,所述上下行格式序列包括M个符号的上下行格式,M为目标正整数集合中的正整数,所述目标正整数集合包括至少一个小于14的正整数,所述目标正整数集合中存在所述N。
- 根据权利要求8所述的方法,其特征在于,所述上下行格式序列包括的M个符号的上下行格式与第四完整时隙包括的14个符号中连续M个符号的上下行格式相同。
- 根据权利要求8所述的方法,其特征在于,所述上下行格式序列包括的M个符号的上下行格式与任一完整时隙中连续的任意M个符号的上下行格式均不相同。
- 根据权利要求10所述的方法,其特征在于,所述目标上下行格式序列由R个符号的上下行格式组成,R为大于N且小于14的正整数;所述目标部分时隙包括的N个符号的上下行格式与所述目标上下行格式序列中连续N个符号的上下行格式相同。
- 根据权利要求11所述的方法,其特征在于,所述时隙格式指示信息还包括第四符号个数指示信息和第二起始位置指示信息,所述第四符号个数指示信息用于指示所述N,所述第二起始位置指示信息用于指示所述连续N个符号中的第一个符号在所述R个符号中的位置。
- 根据权利要求1至12任一所述的方法,其特征在于,所述通过所述目标信道向用户设备UE发送时隙格式指示信息,包括:通过所述目标信道向所述UE发送目标下行控制信息DCI,其中,目标DCI携带有所述时隙格式指示信息。
- 一种时隙格式指示方法,其特征在于,所述方法包括:接收基站通过目标信道发送的时隙格式指示信息,所述时隙格式指示信息用于指示目标部分时隙包括的N个符号的上下行格式,N为小于14的正整数;其中,所述时隙格式指示信息是所述基站在侦听到所述目标信道处于空闲状态时发送的,所述目标部分时隙位于所述基站占用所述目标信道的时间段内,所述目标信道位于非授权频谱上。
- 根据权利要求14所述的方法,其特征在于,所述目标部分时隙为所述 基站占用所述目标信道的时间段内的第一个时隙;所述时隙格式指示信息用于指示所述目标部分时隙包括的N个符号的上下行格式与第一完整时隙包括的14个符号中后N个符号的上下行格式相同。
- 根据权利要求15所述的方法,其特征在于,所述时隙格式指示信息包括第一符号个数指示信息和第一完整时隙格式指示信息;其中,所述第一符号个数指示信息用于指示所述N,所述第一完整时隙格式指示信息用于指示所述第一完整时隙包括的14个符号的上下行格式。
- 根据权利要求14所述的方法,其特征在于,所述目标部分时隙为所述基站占用所述目标信道的时间段内的最后一个时隙;所述时隙格式指示信息用于指示所述目标部分时隙包括的N个符号的上下行格式与第二完整时隙包括的14个符号中前N个符号的上下行格式相同。
- 根据权利要求17所述的方法,其特征在于,所述时隙格式指示信息包括第二符号个数指示信息和第二完整时隙格式指示信息;其中,所述第二符号个数指示信息用于指示所述N,所述第二完整时隙格式指示信息用于指示所述第二完整时隙包括的14个符号的上下行格式。
- 根据权利要求14所述的方法,其特征在于,所述时隙格式指示信息用于指示所述目标部分时隙包括的N个符号的上下行格式与第三完整时隙包括的14个符号中连续N个符号的上下行格式相同。
- 根据权利要求19所述的方法,其特征在于,所述时隙格式指示信息包括第三符号个数指示信息、第三完整时隙格式指示信息和第一起始位置指示信息;其中,所述第三符号个数指示信息用于指示所述N,所述第三完整时隙格 式指示信息用于指示所述第三完整时隙包括的14个符号的上下行格式,所述第一起始位置指示信息用于指示所述连续N个符号中的第一个符号在所述第三完整时隙中的位置。
- 根据权利要求14所述的方法,其特征在于,所述时隙格式指示信息包括目标格式标识;所述目标部分时隙包括的N个符号的上下行格式为时隙格式表中与所述目标格式标识对应的目标上下行格式序列包括的N个符号的上下行格式;其中,所述时隙格式表中存储有至少一组格式标识与上下行格式序列的对应关系,所述上下行格式序列包括M个符号的上下行格式,M为目标正整数集合中的正整数,所述目标正整数集合包括至少一个小于14的正整数,所述目标正整数集合中存在所述N。
- 根据权利要求21所述的方法,其特征在于,所述上下行格式序列包括的M个符号的上下行格式与第四完整时隙包括的14个符号中连续M个符号的上下行格式相同。
- 根据权利要求21所述的方法,其特征在于,所述上下行格式序列包括的M个符号的上下行格式与任一完整时隙中连续的任意M个符号的上下行格式均不相同。
- 根据权利要求23所述的方法,其特征在于,所述目标上下行格式序列由R个符号的上下行格式组成,R为大于N且小于14的正整数;所述目标部分时隙包括的N个符号的上下行格式与所述目标上下行格式序列中连续N个符号的上下行格式相同。
- 根据权利要求24所述的方法,其特征在于,所述时隙格式指示信息还 包括第四符号个数指示信息和第二起始位置指示信息,所述第四符号个数指示信息用于指示所述N,所述第二起始位置指示信息用于指示所述连续N个符号中的第一个符号在所述R个符号中的位置。
- 根据权利要求14至25任一所述的方法,其特征在于,所述接收基站通过目标信道发送的时隙格式指示信息,包括:接收所述基站通过所述目标信道发送的目标下行控制信息DCI,其中,目标DCI携带有所述时隙格式指示信息。
- 一种时隙格式指示装置,其特征在于,所述装置包括:发送模块,用于在侦听到目标信道处于空闲状态时,通过所述目标信道向用户设备UE发送时隙格式指示信息,所述时隙格式指示信息用于指示目标部分时隙包括的N个符号的上下行格式,N为小于14的正整数;其中,所述目标部分时隙位于基站占用所述目标信道的时间段内,所述目标信道位于非授权频谱上。
- 一种时隙格式指示装置,其特征在于,所述装置包括:接收模块,用于接收基站通过目标信道发送的时隙格式指示信息,所述时隙格式指示信息用于指示目标部分时隙包括的N个符号的上下行格式,N为小于14的正整数;其中,所述时隙格式指示信息是所述基站在侦听到所述目标信道处于空闲状态时发送的,所述目标部分时隙位于所述基站占用所述目标信道的时间段内,所述目标信道位于非授权频谱上。
- 一种基站,其特征在于,所述基站包括:处理器;用于存储处理器可执行的指令的存储器;其中,所述处理器被配置为:在侦听到目标信道处于空闲状态时,通过所述目标信道向用户设备UE发送时隙格式指示信息,所述时隙格式指示信息用于指示目标部分时隙包括的N个符号的上下行格式,N为小于14的正整数;其中,所述目标部分时隙位于基站占用所述目标信道的时间段内,所述目标信道位于非授权频谱上。
- 一种用户设备,其特征在于,所述用户设备包括:处理器;用于存储处理器可执行的指令的存储器;其中,所述处理器被配置为:接收基站通过目标信道发送的时隙格式指示信息,所述时隙格式指示信息用于指示目标部分时隙包括的N个符号的上下行格式,N为小于14的正整数;其中,所述时隙格式指示信息是所述基站在侦听到所述目标信道处于空闲状态时发送的,所述目标部分时隙位于所述基站占用所述目标信道的时间段内,所述目标信道位于非授权频谱上。
- 一种时隙格式指示系统,其特征在于,所述时隙格式指示系统包括如权利要求27所述的时隙格式指示装置和如权利要求28所述的时隙格式指示装置。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质中存储有计算机程序,存储的所述计算机程序被处理组件执行时能够实现如权利要求1至13任一所述的时隙格式指示方法;或者,存储的所述计算机程序被处理组件执行时能够实现如权利要求14至26任一所述的时隙格式指示方法。
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| WO2020034120A1 (zh) * | 2018-08-15 | 2020-02-20 | 北京小米移动软件有限公司 | 时隙格式指示方法、装置、设备、系统及存储介质 |
| CN111385889B (zh) * | 2018-12-29 | 2024-02-02 | 华为技术有限公司 | 用于侧行链路通信的方法、网络设备以及终端设备 |
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| ES2953712T3 (es) | 2019-03-26 | 2023-11-15 | Beijing Xiaomi Mobile Software Co Ltd | Procedimiento y aparato de indicación del formato de ranura |
| US12593332B2 (en) | 2020-04-07 | 2026-03-31 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and apparatus for instructing to transmit data, communication device, and storage medium |
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| ES2973989T3 (es) | 2024-06-25 |
| US20210160862A1 (en) | 2021-05-27 |
| CN109075956B (zh) | 2021-06-01 |
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| EP3833126A1 (en) | 2021-06-09 |
| JP2021533639A (ja) | 2021-12-02 |
| BR112021001848A2 (pt) | 2021-04-27 |
| PL3833126T3 (pl) | 2024-05-20 |
| KR20210040110A (ko) | 2021-04-12 |
| US11963142B2 (en) | 2024-04-16 |
| JP7175378B2 (ja) | 2022-11-18 |
| EP3833126A4 (en) | 2021-08-11 |
| SG11202101075XA (en) | 2021-03-30 |
| CN109075956A (zh) | 2018-12-21 |
| KR102793263B1 (ko) | 2025-04-08 |
| EP3833126B1 (en) | 2024-01-17 |
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