WO2018086232A1 - 一种子帧调度方法及基站 - Google Patents
一种子帧调度方法及基站 Download PDFInfo
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- WO2018086232A1 WO2018086232A1 PCT/CN2016/113562 CN2016113562W WO2018086232A1 WO 2018086232 A1 WO2018086232 A1 WO 2018086232A1 CN 2016113562 W CN2016113562 W CN 2016113562W WO 2018086232 A1 WO2018086232 A1 WO 2018086232A1
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- starting position
- subframe
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000001228 spectrum Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 101150069124 RAN1 gene Proteins 0.000 description 1
- 101100355633 Salmo salar ran gene Proteins 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
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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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
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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
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a subframe scheduling method and a base station.
- the spectrum used by the wireless communication system includes a licensed spectrum and an unlicensed spectrum.
- the licensed spectrum is a spectrum that can only be used by authorized users
- the unlicensed spectrum is a spectrum that can be used by any user.
- the carrier on the licensed spectrum is called the authorized carrier
- the carrier on the unlicensed spectrum is called the unlicensed carrier. Therefore, when the base station needs to use the unlicensed spectrum, the channel needs to be preempted by Listening Before Talk (LBT).
- LBT Listening Before Talk
- LBT Listening Before Talk
- the base station sends the number of the start symbol of the transmitted data to the terminal, so that the terminal can The corresponding data is received and demodulated by this number.
- the mini-slot type is added in the frame structure study of the 3GPP RAN1 5G, if the data is transmitted on the unlicensed carrier of 5G, only the number of the start symbol of the transmitted data is sent to the terminal. At this time, the terminal does not know the frame structure type that may be included in the subframe, thereby increasing the receiving complexity on the terminal side.
- the embodiment of the invention discloses a seed frame scheduling method and a base station, which are used to simplify the processing process of the terminal.
- the first aspect discloses a seed frame scheduling method, which is applied to a base station.
- a base station preempts an unlicensed carrier
- the base station acquires a pre-empted unlicensed carrier starting position, and determines according to the pre-emptied unoriginal carrier starting position.
- the first number and the type of the first subframe, and the type of the first subframe and the first number are sent to the terminal.
- the first number is a symbol number corresponding to the start position in the first subframe used by the base station to send data
- the first subframe is a subframe in which the symbol corresponding to the first number is located, because the type of the first subframe is sent to
- the terminal can be determined by the terminal according to the type of the first subframe, so that the processing of the terminal can be simplified.
- the number of symbols that the minislot can include is greater than zero and less than 7, when the minislot
- the number of symbols included is variable, when the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 0, determining that the type of the first subframe is a subframe, and determining 0 as the first No.
- the type of the first subframe is determined to be a minislot and a time slot, and the symbol corresponding to the starting position is determined.
- the number is determined to be a first number; when the starting position is not a symbol boundary, and the symbol number corresponding to the starting position is greater than or equal to 0 and less than 6, determining that the type of the first subframe is a minislot and a time slot, and Determining a next number adjacent to the symbol number corresponding to the start position as the first number; when the start position is not a symbol boundary, and the symbol number corresponding to the start position is 6, determining the first subframe
- the type is a time slot and 7 is determined as the first number.
- the type of the first subframe may include a subframe, a minislot and a slot, a slot, and a minislot.
- the subframe indicates that the first subframe starts to send data from the symbol 0, and the minislot and the slot indicate The first subframe starts transmitting data from any of the symbols 1-6, and the slot indicates that the first subframe starts transmitting data from the symbol 7, and the minislot indicates that the first subframe is from any of the symbols 8-13.
- a symbol begins to send data.
- the data can be transmitted using the symbol before the symbol 7 in the first subframe, without waiting for the symbol 7 to start transmitting data, and therefore, the data can be increased for transmission.
- the number of symbols so that while simplifying the processing of the terminal, channel utilization can be improved.
- the number of symbols included in the minislot is variable, when the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 7, determining the type of the first subframe. a time slot, and determining 7 as a first number; when the starting position is a symbol boundary, and the symbol number corresponding to the starting position is greater than 7 and less than 14, determining that the type of the first subframe is a minislot, And determining a symbol number corresponding to the starting position as a first number; determining the type of the first subframe when the starting position is not a symbol boundary, and the symbol number corresponding to the starting position is greater than or equal to 7 and less than 13 a microslot, and determining a next number adjacent to the symbol number corresponding to the start position as the first number; when the start position is not a symbol boundary, and the start position corresponds to a symbol number of 13, It is determined that the type of the first subframe is a subframe, and 0 is determined as the first number.
- the transmission may be started using any of the symbols 8-13 in the first subframe.
- the data does not have to wait until the next sub-frame to start transmitting data. Therefore, the data of the symbol for transmitting the data can be increased, so that the channel utilization can be improved while simplifying the processing of the terminal.
- the symbol number corresponding to the starting position is subtracted from 7 to Obtaining a first number of symbols; determining, when the number of first symbols is greater than or equal to the number of second symbols, determining a type of the first subframe as a minislot and a time slot, and calculating a remainder of the number of first symbols divided by the number of second symbols, and Determining, by the sum of the symbol number corresponding to the start position and the remainder, a first number, the second number of symbols being equal to the number of symbols included in the minislot; and determining the first subframe when the first number of symbols is less than the second number of symbols
- the type is
- the symbol number corresponding to the starting position is greater than 0 and less than 7
- the first symbol number is greater than or equal to the second symbol number.
- the data can be transmitted using the symbol before the symbol 7 in the first subframe without waiting for the symbol 7 to start transmitting data. Therefore, the data of the symbol for transmitting the data can be increased, thereby simplifying the processing of the terminal while Improve channel utilization.
- the second number is the next number adjacent to the symbol number corresponding to the starting position; when the first number of symbols is greater than or equal to the number of the second symbol, determining the first sub
- the type of the frame is a minislot and a time slot, and the remainder of the number of first symbols divided by the number of second symbols is calculated, and the sum of the second number and the remainder is determined as the first number; when the number of the first symbols is smaller than the second symbol
- the type of the first subframe is determined to be a time slot, and 7 is determined as the first number; when the starting position is not a symbol boundary, and the symbol number corresponding to the starting position is 6, determining the first subframe The type is a time slot and 7 is determined as the first number.
- the symbol number corresponding to the starting position is greater than or equal to 0 and less than 6, and the number of first symbols is greater than or equal to the second symbol.
- the data can be transmitted using the symbol before the symbol 7 in the first subframe without waiting for the symbol 7 to start transmitting data, and therefore, the data of the symbol for transmitting the data can be increased, thereby simplifying the processing of the terminal at the same time. Can improve channel utilization.
- the start bit when the start bit is When the symbol boundary is set, and the symbol number corresponding to the start position is 7, it is determined that the type of the first subframe is a time slot, and 7 is determined as the first number; when the starting position is a symbol boundary, and the When the symbol number corresponding to the start position is greater than 7 and less than 14, the symbol number corresponding to the start position is subtracted from 14 to obtain the first symbol number; when the first symbol number is greater than or equal to the second symbol number, the first number is determined.
- the type of the subframe is a minislot, and the remainder of the number of first symbols divided by the number of second symbols is calculated, and the sum of the symbol number corresponding to the starting position and the remainder is determined as the first number; when the number of the first symbols is less than the first number When the number of symbols is two, it is determined that the type of the first subframe is a subframe, and 0 is determined as the first number.
- the data can be started to be transmitted using any one of the symbols 8-13 in the first subframe, and the data is not sent until the next subframe is started, so that the data of the symbol for transmitting the data can be increased, thereby Simplify the processing of the terminal while improving channel utilization.
- the second number is the next number adjacent to the symbol number corresponding to the starting position; when the first number of symbols is greater than or equal to the number of the second symbol, determining the first sub
- the type of the frame is a minislot, and the remainder of the number of first symbols divided by the number of second symbols is calculated, and the sum of the second number and the remainder is determined as the first number; when the number of the first symbols is less than the number of the second symbols, Determining that the type of the first subframe is a subframe, and determining 0 as the first number; when the starting location is not a symbol boundary, and the symbol number corresponding to the starting location is 13, determining that the type of the first subframe is Subframe and determine 0 as the first number.
- the symbol number corresponding to the starting position is greater than or equal to 7 and less than 13
- the number of first symbols is greater than or equal to the number of second symbols.
- the type and the first number of the first subframe may be sent to the terminal by using Downlink Control Information (DCI).
- DCI Downlink Control Information
- new bit information may be added in the DCI or the current bit information may be multiplexed to transmit the type of the first subframe and the first number to the terminal.
- the second aspect discloses a base station, the base station comprising means for performing the subframe scheduling method provided by the first aspect or any of the possible implementations of the first aspect.
- a third aspect discloses a base station comprising a processor, a memory and a transceiver, wherein:
- a set of program code is stored in the memory, and the processor is used to call the program code stored in the memory to perform the following operations:
- the first number is a symbol number corresponding to a starting position of the base station for transmitting data
- the first subframe is a subframe where the symbol corresponding to the first number is located ;
- a transceiver configured to send the type of the first subframe and the first number to the terminal.
- a fourth aspect discloses a readable storage medium storing program code for a base station method for performing the first aspect or any of the possible implementations of the first aspect.
- FIG. 1 is a schematic diagram of a subframe disclosed in an embodiment of the present invention.
- FIG. 2 is a schematic diagram of a network architecture disclosed in an embodiment of the present invention.
- FIG. 3 is a schematic flowchart of a subframe scheduling method according to an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of another base station according to an embodiment of the present invention.
- the embodiment of the invention discloses a seed frame scheduling method and a base station, which are used to simplify the processing process of the terminal.
- FIG. 1 is a schematic diagram of a subframe disclosed in an embodiment of the present invention. As shown in Figure 1, Symbols 1-6 are the first time slot and symbols 7-13 are the second time slot.
- the embodiment of the present invention proposes a new concept, that is, a mini-slot, the number of symbols included in the mini-slot is smaller than the time slot, and the number of symbols included is greater than 0 and less than 7.
- FIG. 2 is a schematic diagram of a network architecture disclosed in an embodiment of the present invention.
- the network architecture may include a base station 201 and a terminal 202, and the base station 201 and the terminal 202 may be connected through a network.
- the base station 201 needs to communicate with the terminal 202 through the unlicensed carrier, the base station 201 is configured to preempt the unlicensed carrier, and determine the symbol number corresponding to the starting position for transmitting the data according to the starting position of the preempted unlicensed carrier.
- the terminal 202 is configured to receive the symbol number sent by the base station 201, the type of the first subframe, and the data to be transmitted, and determine a decoding manner for decoding the first subframe according to the type of the first subframe, and then according to the decoding mode and The symbol number decodes the transmitted data.
- the type of the first subframe may include a subframe, a minislot and a slot, a slot, and a minislot.
- the subframe indicates that the first subframe starts to send data from the symbol 0, and the minislot and the slot indicate The first subframe starts transmitting data from any of the symbols 1-6, and the slot indicates that the first subframe starts transmitting data from the symbol 7, and the minislot indicates that the first subframe is from any of the symbols 8-13.
- a symbol begins to send data.
- the definition of the subframe and the time slot may be the same as the conventional definition, or may be different from the conventional definition.
- the base station 101 may be a device in the access network that communicates with the terminal through one or more sectors on the air interface, such as Long Term Evolution (LTE) or Long Term Evolution (LTE-Advanced, LTE- A) Evolved base station (evolutional Node B, NodeB or eNB or e-NodeB) in the system, 5G
- LTE Long Term Evolution
- LTE-Advanced, LTE- A Evolved base station
- evolutional Node B, NodeB or eNB or e-NodeB Evolved base station
- the gNB or g-NodeB in the new radio (NR) technology can be used to convert the received air frame and the Internet Protocol (IP) packet into each other as the terminal and the rest of the access network.
- IP Internet Protocol
- the inter-router, the rest of the access network may include an IP network; it may also be used to coordinate the attribute management of the air interface.
- FIG. 3 is a schematic flowchart diagram of a subframe scheduling method according to an embodiment of the present invention.
- the subframe scheduling method is described from the perspective of the base station 101 and the terminal 102.
- the subframe scheduling method may include the following steps.
- the base station When the base station preempts the unlicensed carrier, the base station acquires a starting position of the preempted unlicensed carrier.
- the unlicensed carrier when the base station needs to communicate with the terminal through the unlicensed carrier, the unlicensed carrier will be preempted by the LBT. When the base station preempts the unlicensed carrier, the pre-empted unlicensed carrier will be obtained.
- the base station determines, according to the starting position of the pre-empted carrier that is preempted, the first number and the type of the first subframe.
- the base station determines the first number and the first subframe type according to the pre-empted unlicensed carrier starting position.
- the first number is a symbol number corresponding to a start position of the data to be sent
- the first subframe is a subframe in which the symbol corresponding to the first number is located.
- the starting position of the preempted unlicensed carrier is a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is preempted.
- the type of the first subframe is a subframe, and the first number is 0.
- the symbol boundary refers to the starting position of a symbol, not the middle or ending position of a symbol.
- the starting position of the preempted unlicensed carrier is a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is preempted.
- the type of the first subframe is a minislot and a time slot, and the first number is a symbol number corresponding to the starting position of the preempted unlicensed carrier.
- the minislot and the minislot among the slots include 7 minus the first numbered symbols.
- the type of the first subframe is a minislot and a time slot, first The number is the next number adjacent to the symbol number corresponding to the starting position of the pre-empted unlicensed carrier.
- the minislot in the minislot and the slot includes 7 minus the first numbered symbol, and the position between the preempted carrier's starting position and the first number is used to transmit the reserved symbol.
- the starting position of the preempted unlicensed carrier is not a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is preempted.
- the value is 6
- the type of the first subframe is a time slot, and the first number is 7.
- the location between the starting location of the pre-empted unlicensed carrier and the first number is used to send the reserved symbol.
- the starting position of the preempted unlicensed carrier is a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is preempted.
- the type of the first subframe is a time slot, and the first number is 7.
- the starting position of the preempted unlicensed carrier is a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is preempted.
- the type of the first subframe is a minislot, and the first number is a symbol number corresponding to the starting position of the preempted unlicensed carrier.
- the minislot includes 14 minus the first numbered symbols.
- the starting position of the preempted unlicensed carrier is not a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is preempted.
- the type of the first subframe is a minislot, and the first number is a next number adjacent to the symbol number corresponding to the starting position of the preempted unlicensed carrier.
- the minislot includes 14 minus the first numbered symbols. The location between the starting location of the pre-empted unlicensed carrier and the first number is used to send the reserved symbol.
- the starting position of the preempted unlicensed carrier is not a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is preempted.
- the type of the first subframe is a subframe, and the first number is 0.
- the location between the starting location of the pre-empted unlicensed carrier and the first number is used to send the reserved symbol.
- the starting position of the preempted unlicensed carrier is a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is 0, the type of the first subframe is a subframe, and the first number is 0.
- the starting position of the preempted unlicensed carrier is a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is greater than 0 and less than 7, the symbol number corresponding to the pre-empted carrier's starting position is subtracted from 7 to obtain the first symbol number, and when the first symbol number is greater than or equal to the second symbol number, the first symbol number is calculated.
- the type of the first subframe is a minislot and a time slot, and the first number is the sum of the symbol number corresponding to the starting position of the preempted unlicensed carrier and the remainder;
- the type of the first subframe is a slot, and the first number is 7.
- the second number of symbols is equal to the number of symbols included in the minislot, and the microslots in the minislot and the time slot include 7 minus the first numbered symbols.
- the location between the starting location of the pre-empted unlicensed carrier and the first number is used to send the reserved symbol.
- the starting position of the preempted unlicensed carrier is not a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is greater than Or equal to 0 and less than 6, subtracting the second number from 7 to obtain the first number of symbols, and when the number of first symbols is greater than or equal to the number of second symbols, calculating the remainder of the number of first symbols divided by the number of second symbols,
- the type of the first subframe is a minislot and a time slot, and the first number is a sum of the second number and the remainder; when the number of the first symbol is less than the number of the second symbol, the type of the first subframe is a slot, One number is 7.
- the second number is the next number adjacent to the symbol number corresponding to the starting position of the preempted unlicensed carrier.
- the minislot and the minislot among the slots include 7 minus the first numbered symbols. The location between the starting location of the pre-empted unlicensed carrier and the first number is used to send the reserved symbol.
- the starting position of the preempted unlicensed carrier is not a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is At 6 o'clock, the type of the first subframe is a time slot, and the first number is 7. The location between the starting location of the pre-empted unlicensed carrier and the number 7 is used to send the reserved symbol.
- the starting position of the preempted unlicensed carrier is a symbol boundary
- the symbol number corresponding to the preempted carrier's starting position is At 7 o'clock
- the type of the first subframe is a time slot
- the first number is 7.
- the starting position of the preempted unlicensed carrier is a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is greater than 7 and less than 14, the 14 is subtracted from the corresponding position of the preempted carrier's starting position.
- the minislot includes 14 minus the first numbered symbols. The location between the starting location of the pre-empted unlicensed carrier and the first number is used to send the reserved symbol.
- the starting position of the preempted unlicensed carrier is not a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is greater than Or equal to 7 and less than 13, subtracting the second number from 14 to obtain the first number of symbols, and when the number of first symbols is greater than or equal to the number of second symbols, calculating the remainder of the number of first symbols divided by the number of second symbols,
- the type of the first subframe is a minislot, and the first number is a sum of the second number and the remainder; when the number of the first symbol is less than the number of the second symbol, the type of the first subframe is a subframe, and the first number is 0.
- the minislot and the minislot among the slots include 7 minus the first numbered symbols. The position between the starting position of the pre-empted unlicensed carrier and the first number is used to send the reserved symbol.
- the starting position of the preempted unlicensed carrier is not a symbol boundary, and the symbol number corresponding to the preempted carrier's starting position is At 13:00, the type of the first subframe is a subframe, and the first number is 0. The position between the starting position of the pre-empted unlicensed carrier and the first number is used to send the reserved symbol.
- the base station sends the type of the first subframe and the first number to the terminal.
- the base station may pass the first subframe type and the first number through the unlicensed carrier or the authorized carrier.
- Sending to the terminal, that is, the type and the first number of the first subframe are sent to the terminal through the DCI, that is, the new bit information may be added in the DCI or the current bit information is multiplexed to send the type and the first number of the first subframe. terminal.
- the base station sends the to-be-sent data to the terminal by using the pre-empted unlicensed carrier.
- the terminal determines, according to the type of the first subframe, a decoding manner used to decode the first subframe, and decodes the to-be-sent data according to the decoding manner and the first number.
- the terminal after receiving the type and number of the first subframe, the terminal determines a first decoding mode for decoding the first subframe according to the type of the first subframe, and then according to the decoding mode and the first number. Decode the data to be sent.
- the base station when the base station preempts the unlicensed carrier, the base station acquires the starting position of the preempted unlicensed carrier, and determines the first number and the first position according to the pre-empted carrier's starting position.
- the type of a subframe, and the type of the first subframe and the first number are sent to the terminal. Since the type of the first subframe is sent to the terminal, the terminal can directly determine the corresponding receiving and demodulating manner according to the type of the first subframe, so that the processing procedure of the terminal can be simplified.
- FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention.
- the base station may include:
- the obtaining unit 401 is configured to acquire a starting position of the preempted unlicensed carrier when the base station preempts the unlicensed carrier;
- the determining unit 402 is configured to determine, according to the starting position acquired by the acquiring unit 401, a first number and a type of the first subframe, where the first number is a symbol number corresponding to a starting position used by the base station to send data, where the first subframe is a subframe in which the symbol corresponding to the first number is located;
- the sending unit 403 is configured to send the type of the first subframe determined by the determining unit 402 and the first number determined by the determining unit 402 to the terminal.
- the microslot includes a number of symbols greater than 0 and less than 7.
- the determining unit 402 may include:
- the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 0, determining that the type of the first subframe is a subframe, and determining 0 as the first number;
- the type of the first subframe is determined to be a minislot and a time slot, and the symbol number corresponding to the starting position is determined as the first One number
- the symbol number corresponding to the starting position is greater than or equal to 0 and less than 6, determining that the type of the first subframe is a minislot and a time slot, and the symbol number corresponding to the starting position is determined
- the next adjacent number is determined as the first number
- the starting position is not a symbol boundary and the symbol number corresponding to the starting position is 6, it is determined that the type of the first subframe is a time slot, and 7 is determined as the first number.
- the determining unit 402 may further include:
- the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 7, determining that the type of the first subframe is a time slot, and determining 7 as the first number;
- the type of the first subframe is determined to be a minislot, and the symbol number corresponding to the starting position is determined as the first number;
- the symbol number corresponding to the starting position is greater than or equal to 7 and less than 13, determining that the type of the first subframe is a minislot, and the symbol number corresponding to the starting position is adjacent The next number is determined as the first number;
- the start position is not a symbol boundary and the symbol number corresponding to the start position is 13, it is determined that the type of the first subframe is a subframe, and 0 is determined as the first number.
- the microslot includes a number of symbols greater than 0 and less than 7.
- the determining unit 402 may include:
- the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 0, determining that the type of the first subframe is a subframe, and determining 0 as the first number;
- the symbol number corresponding to the starting position is subtracted from 7 to obtain the first symbol number
- the first number of symbols is greater than or equal to the second number of symbols, determining that the type of the first subframe is a minislot and a time slot, calculating a remainder of the number of first symbols divided by the number of second symbols, and corresponding to the starting position The sum of the symbol number and the remainder is determined as a first number, and the number of second symbols is equal to the number of symbols included in the minislot;
- the determining unit 402 may further include:
- the second number is subtracted from 7 to obtain the first number of symbols, and the second number is corresponding to the starting position.
- the first number of symbols is greater than or equal to the second number of symbols, determining that the type of the first subframe is a minislot and a time slot, calculating a remainder of the number of first symbols divided by the number of second symbols, and the second number and the The sum of the remainders is determined as the first number;
- the starting position is not a symbol boundary and the symbol number corresponding to the starting position is 6, it is determined that the type of the first subframe is a time slot, and 7 is determined as the first number.
- the determining unit 402 may further include:
- the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 7, determining that the type of the first subframe is a time slot, and determining 7 as the first number;
- the symbol number corresponding to the starting position is subtracted from 14 to obtain the first symbol number
- the first number of symbols is greater than or equal to the second number of symbols, determining that the type of the first subframe is a minislot, calculating a remainder of the number of first symbols divided by the number of second symbols, and calculating a symbol number corresponding to the starting position The sum of the remainders is determined as the first number;
- the first symbol number is smaller than the second symbol number, it is determined that the type of the first subframe is a subframe, and 0 is determined as the first number.
- the determining unit 402 may further include:
- the second number is subtracted from 14 to obtain the first number of symbols, and the second number is corresponding to the starting position.
- the first number of symbols is greater than or equal to the second number of symbols, determining that the type of the first subframe is a minislot, calculating a remainder of the number of first symbols divided by the number of second symbols, and summing the second number with the remainder Determined to be the first number;
- the start position is not a symbol boundary and the symbol number corresponding to the start position is 13, it is determined that the type of the first subframe is a subframe, and 0 is determined as the first number.
- the sending unit 403 is specifically configured to send the type of the first subframe and the first number to the terminal by using the DCI.
- the sending unit 403 is specifically configured to add new bit information in the DCI or multiplex the current bit information to send the type of the first subframe and the first number to the terminal.
- the base station when the base station preempts the unlicensed carrier, the base station obtains the starting position of the preempted unlicensed carrier, and determines the first number and the first according to the pre-empted carrier's starting position.
- the type of the subframe, and the type of the first subframe and the first number are sent to the terminal. Since the type of the first subframe is sent to the terminal, the terminal can directly determine the corresponding receiving and demodulating manner according to the type of the first subframe, so that the processing procedure of the terminal can be simplified.
- FIG. 5 is a schematic structural diagram of another base station according to an embodiment of the present invention.
- the base station can include a processor 501, a memory 502, a transceiver 503, and a bus 504.
- the processor 501 can be a general purpose central processing unit (CPU), a plurality of CPUs, a microprocessor, an application-specific integrated circuit (ASIC), or one or more programs for controlling the execution of the program of the present invention. integrated circuit.
- the memory 502 can be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type that can store information and instructions.
- ROM read-only memory
- RAM random access memory
- the dynamic storage device can also be an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical disc storage, and a disc storage device. (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be Any other media accessed, but not limited to this.
- Memory 502 can exist independently and bus 504 is coupled to processor 501. Memory 502 can also be integrated with processor 501.
- the transceiver 503 is configured to communicate with other devices or communication networks, such as Ethernet, Radio Access Network (RAN), Wireless Local Area Networks (WLAN), and the like.
- Bus 504 can include a path for communicating information between the components described above. among them:
- the memory 502 stores a set of program codes
- the processor 501 is configured to call the program code stored in the memory 502 to perform the following operations:
- the first number is a symbol number corresponding to a starting position of the base station for transmitting data
- the first subframe is a subframe in which the symbol corresponding to the first number is located
- the transceiver 503 is configured to send the type of the first subframe and the first number to the terminal.
- the microslot includes a number of symbols greater than 0 and less than 7, when micro
- the processor 501 determines the first number and the type of the first subframe according to the starting position, including:
- the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 0, determining that the type of the first subframe is a subframe, and determining 0 as the first number;
- the type of the first subframe is determined to be a minislot and a time slot, and the symbol number corresponding to the starting position is determined as the first One number
- the symbol number corresponding to the starting position is greater than or equal to 0 and less than 6, determining that the type of the first subframe is a minislot and a time slot, and the symbol number corresponding to the starting position is determined
- the next adjacent number is determined as the first number
- the starting position is not a symbol boundary and the symbol number corresponding to the starting position is 6, it is determined that the type of the first subframe is a time slot, and 7 is determined as the first number.
- the determining, by the processor 501, the first number and the type of the first subframe according to the starting location further includes:
- the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 7, determining that the type of the first subframe is a time slot, and determining 7 as the first number;
- the type of the first subframe is determined to be a minislot, and the symbol number corresponding to the starting position is determined as the first number;
- the symbol number corresponding to the starting position is greater than or equal to 7 and less than 13, determining that the type of the first subframe is a minislot, and the symbol number corresponding to the starting position is adjacent The next number is determined as the first number;
- the start position is not a symbol boundary and the symbol number corresponding to the start position is 13, it is determined that the type of the first subframe is a subframe, and 0 is determined as the first number.
- the microslot includes a number of symbols greater than 0 and less than 7.
- the processor 501 determines the first number and the first subframe according to the starting position. Types include:
- the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 0, determining that the type of the first subframe is a subframe, and determining 0 as the first number;
- the first number of symbols is greater than or equal to the second number of symbols, determining that the type of the first subframe is a minislot and a time slot, calculating a remainder of the number of first symbols divided by the number of second symbols, and corresponding to the starting position The sum of the symbol number and the remainder is determined as a first number, and the number of second symbols is equal to the number of symbols included in the minislot;
- the determining, by the processor 501, the first number and the type of the first subframe according to the starting location further includes:
- the second number is subtracted from 7 to obtain the first number of symbols, and the second number is corresponding to the starting position.
- the first number of symbols is greater than or equal to the second number of symbols, determining that the type of the first subframe is a minislot and a time slot, calculating a remainder of the number of first symbols divided by the number of second symbols, and the second number and the The sum of the remainders is determined as the first number;
- the starting position is not a symbol boundary and the symbol number corresponding to the starting position is 6, it is determined that the type of the first subframe is a time slot, and 7 is determined as the first number.
- the determining, by the processor 501, the first number and the type of the first subframe according to the starting location further includes:
- the starting position is a symbol boundary, and the symbol number corresponding to the starting position is 7, determining that the type of the first subframe is a time slot, and determining 7 as the first number;
- the symbol number corresponding to the starting position is subtracted from 14 to obtain the first symbol number
- the first number of symbols is greater than or equal to the second number of symbols, determining that the type of the first subframe is a minislot, calculating a remainder of the number of first symbols divided by the number of second symbols, and calculating a symbol number corresponding to the starting position The sum of the remainders is determined as the first number;
- the first symbol number is smaller than the second symbol number, it is determined that the type of the first subframe is a subframe, and 0 is determined as the first number.
- the determining, by the processor 501, the first number and the type of the first subframe according to the starting location further includes:
- the second number is subtracted from 14 to obtain the first number of symbols, and the second number is corresponding to the starting position.
- the first number of symbols is greater than or equal to the second number of symbols, determining that the type of the first subframe is a minislot, calculating a remainder of the number of first symbols divided by the number of second symbols, and summing the second number with the remainder Determined to be the first number;
- the start position is not a symbol boundary and the symbol number corresponding to the start position is 13, it is determined that the type of the first subframe is a subframe, and 0 is determined as the first number.
- the transceiver 503 sends the type of the first subframe and the first number to the terminal, including:
- the transceiver 503 sends the type of the first subframe and the first number to the terminal by using the DCI, including:
- step 301 and step 302 can be performed by processor 501 and memory 502 in the base station, and steps 303 and 304 can be performed by transceiver 503 in the base station.
- the obtaining unit 401 and the determining unit 402 can be implemented by a processor 501 and a memory 502 in the base station, and the transmitting unit 403 can be implemented by a transceiver 503 in the base station.
- the base station when the base station preempts the unlicensed carrier, the base station acquires the starting position of the preempted unlicensed carrier, and determines the first number and the first subframe according to the starting position of the preempted unlicensed carrier. Type, and send the type and first number of the first subframe to the terminal. Since the type of the first subframe is sent to the terminal, the terminal can directly determine the corresponding receiving and demodulating manner according to the type of the first subframe, so that the processing procedure of the terminal can be simplified.
- the embodiment of the invention further discloses a readable storage medium, which stores program code of a base station for executing the subframe scheduling method shown in FIG.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
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Abstract
Description
Claims (19)
- 一种子帧调度方法,其特征在于,所述方法应用于基站,包括:当所述基站抢占到非授权载波时,获取抢占到的非授权载波的起始位置;根据所述起始位置确定第一编号和第一子帧的类型,所述第一编号为所述基站用于发送数据的起始位置对应的符号编号,所述第一子帧为所述第一编号对应的符号所在的子帧;将所述第一子帧的类型和所述第一编号发送给终端。
- 根据权利要求1所述的方法,其特征在于,微时隙包括的符号数量大于0且小于7,当所述微时隙包括的符号数量是可变的时,所述根据所述起始位置确定第一编号和第一子帧的类型包括:当所述起始位置为符号边界,且所述起始位置对应的符号编号为0时,确定所述第一子帧的类型为子帧,并将0确定为第一编号;当所述起始位置为符号边界,且所述起始位置对应的符号编号大于0且小于7时,确定所述第一子帧的类型为微时隙与时隙,并将所述起始位置对应的符号编号确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号大于或等于0且小于6时,确定所述第一子帧的类型为微时隙与时隙,并将与所述起始位置对应的符号编号相邻的下一个编号确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号为6时,确定所述第一子帧的类型为时隙,并将7确定为第一编号。
- 根据权利要求2所述的方法,其特征在于,所述根据所述起始位置确定第一编号和第一子帧的类型还包括:当所述起始位置为符号边界,且所述起始位置对应的符号编号为7时,确定所述第一子帧的类型为时隙,并将7确定为第一编号;当所述起始位置为符号边界,且所述起始位置对应的符号编号大于7且小于14时,确定所述第一子帧的类型为微时隙,并将所述起始位置对应的符号编号确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号大于或等 于7且小于13时,确定所述第一子帧的类型为微时隙,并将与所述起始位置对应的符号编号相邻的下一个编号确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号为13时,确定所述第一子帧的类型为子帧,并将0确定为第一编号。
- 根据权利要求1所述的方法,其特征在于,微时隙包括的符号数量大于0且小于7,当所述微时隙包括的符号数量为固定的时,所述根据所述起始位置确定第一编号和第一子帧的类型包括:当所述起始位置为符号边界,且所述起始位置对应的符号编号为0时,确定所述第一子帧的类型为子帧,并将0确定为第一编号;当所述起始位置为符号边界,且所述起始位置对应的符号编号大于0且小于7时,将7减去所述起始位置对应的符号编号,以获得第一符号数量;当所述第一符号数量大于或等于第二符号数量时,确定所述第一子帧的类型为微时隙与时隙,计算所述第一符号数量除以所述第二符号数量的余数,并将所述起始位置对应的符号编号与所述余数的和确定为第一编号,所述第二符号数量等于所述微时隙包括的符号数量;当所述第一符号数量小于所述第二符号数量时,确定所述第一子帧的类型为时隙,并将7确定为第一编号。
- 根据权利要求4所述的方法,其特征在于,所述根据所述起始位置确定第一编号和第一子帧的类型还包括:当所述起始位置不是符号边界,且所述起始位置对应的符号编号大于或等于0且小于6时,将7减去第二编号,以获得第一符号数量,所述第二编号是与所述起始位置对应的符号编号相邻的下一个编号;当所述第一符号数量大于或等于所述第二符号数量时,确定所述第一子帧的类型为微时隙与时隙,计算所述第一符号数量除以所述第二符号数量的余数,并将所述第二编号与所述余数的和确定为第一编号;当所述第一符号数量小于所述第二符号数量时,确定所述第一子帧的类型为时隙,并将7确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号为6时, 确定所述第一子帧的类型为时隙,并将7确定为第一编号。
- 根据权利要求4所述的方法,其特征在于,所述根据所述起始位置确定第一编号和第一子帧的类型还包括:当所述起始位置为符号边界,且所述起始位置对应的符号编号为7时,确定所述第一子帧的类型为时隙,并将7确定为第一编号;当所述起始位置为符号边界,且所述起始位置对应的符号编号大于7且小于14时,将14减去所述起始位置对应的符号编号,以获得第一符号数量;当所述第一符号数量大于或等于所述第二符号数量时,确定所述第一子帧的类型为微时隙,计算所述第一符号数量除以所述第二符号数量的余数,并将所述起始位置对应的符号编号与所述余数的和确定为第一编号;当所述第一符号数量小于所述第二符号数量时,确定所述第一子帧的类型为子帧,并将0确定为第一编号。
- 根据权利要求4所述的方法,其特征在于,所述根据所述起始位置确定第一编号和第一子帧的类型还包括:当所述起始位置不是符号边界,且所述起始位置对应的符号编号大于或等于7且小于13时,将14减去第二编号,以获得第一符号数量,所述第二编号是与所述起始位置对应的符号编号相邻的下一个编号;当所述第一符号数量大于或等于所述第二符号数量时,确定所述第一子帧的类型为微时隙,计算所述第一符号数量除以所述第二符号数量的余数,并将所述第二编号与所述余数的和确定为第一编号;当所述第一符号数量小于所述第二符号数量时,确定所述第一子帧的类型为子帧,并将0确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号为13时,确定所述第一子帧的类型为子帧,并将0确定为第一编号。
- 根据权利要求1-7任一项所述的方法,其特征在于,所述将所述第一子帧的类型和所述第一编号发送给终端包括:将所述第一子帧的类型和所述第一编号通过下行控制信息DCI发送给终 端。
- 根据权利要求8所述的方法,其特征在于,所述将所述第一子帧的类型和所述第一编号通过DCI发送给终端包括:在DCI中增加新的比特信息或者复用当前比特信息发送所述第一子帧的类型和所述第一编号给终端。
- 一种基站,其特征在于,包括:获取单元,用于当所述基站抢占到非授权载波时,获取抢占到的非授权载波的起始位置;确定单元,用于根据所述获取单元获取的起始位置确定第一编号和第一子帧的类型,所述第一编号为所述基站用于发送数据的起始位置对应的符号编号,所述第一子帧为所述第一编号对应的符号所在的子帧;发送单元,用于将所述确定单元确定的第一子帧的类型和所述确定单元确定的第一编号发送给终端。
- 根据权利要求10所述的基站,其特征在于,微时隙包括的符号数量大于0且小于7,当所述微时隙包括的符号数量是可变的时,所述确定单元包括:当所述起始位置为符号边界,且所述起始位置对应的符号编号为0时,确定所述第一子帧的类型为子帧,并将0确定为第一编号;当所述起始位置为符号边界,且所述起始位置对应的符号编号大于0且小于7时,确定所述第一子帧的类型为微时隙与时隙,并将所述起始位置对应的符号编号确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号大于或等于0且小于6时,确定所述第一子帧的类型为微时隙与时隙,并将与所述起始位置对应的符号编号相邻的下一个编号确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号为6时,确定所述第一子帧的类型为时隙,并将7确定为第一编号。
- 根据权利要求11所述的基站,其特征在于,所述确定单元还包括:当所述起始位置为符号边界,且所述起始位置对应的符号编号为7时,确定所述第一子帧的类型为时隙,并将7确定为第一编号;当所述起始位置为符号边界,且所述起始位置对应的符号编号大于7且小于14时,确定所述第一子帧的类型为微时隙,并将所述起始位置对应的符号编号确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号大于或等于7且小于13时,确定所述第一子帧的类型为微时隙,并将与所述起始位置对应的符号编号相邻的下一个编号确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号为13时,确定所述第一子帧的类型为子帧,并将0确定为第一编号。
- 根据权利要求10所述的基站,其特征在于,微时隙包括的符号数量大于0且小于7,当所述微时隙包括的符号数量为固定的时,所述确定单元包括:当所述起始位置为符号边界,且所述起始位置对应的符号编号为0时,确定所述第一子帧的类型为子帧,并将0确定为第一编号;当所述起始位置为符号边界,且所述起始位置对应的符号编号大于0且小于7时,将7减去所述起始位置对应的符号编号,以获得第一符号数量;当所述第一符号数量大于或等于第二符号数量时,确定所述第一子帧的类型为微时隙与时隙,计算所述第一符号数量除以所述第二符号数量的余数,并将所述起始位置对应的符号编号与所述余数的和确定为第一编号,所述第二符号数量等于所述微时隙包括的符号数量;当所述第一符号数量小于所述第二符号数量时,确定所述第一子帧的类型为时隙,并将7确定为第一编号。
- 根据权利要求13所述的基站,其特征在于,所述确定单元还包括:当所述起始位置不是符号边界,且所述起始位置对应的符号编号大于或等于0且小于6时,将7减去第二编号,以获得第一符号数量,所述第二编号是与所述起始位置对应的符号编号相邻的下一个编号;当所述第一符号数量大于或等于所述第二符号数量时,确定所述第一子帧的类型为微时隙与时隙,计算所述第一符号数量除以所述第二符号数量的余数,并将所述第二编号与所述余数的和确定为第一编号;当所述第一符号数量小于所述第二符号数量时,确定所述第一子帧的类型为时隙,并将7确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号为6时,确定所述第一子帧的类型为时隙,并将7确定为第一编号。
- 根据权利要求14所述的基站,其特征在于,所述确定单元还包括:当所述起始位置为符号边界,且所述起始位置对应的符号编号为7时,确定所述第一子帧的类型为时隙,并将7确定为第一编号;当所述起始位置为符号边界,且所述起始位置对应的符号编号大于7且小于14时,将14减去所述起始位置对应的符号编号,以获得第一符号数量;当所述第一符号数量大于或等于所述第二符号数量时,确定所述第一子帧的类型为微时隙,计算所述第一符号数量除以所述第二符号数量的余数,并将所述起始位置对应的符号编号与所述余数的和确定为第一编号;当所述第一符号数量小于所述第二符号数量时,确定所述第一子帧的类型为子帧,并将0确定为第一编号。
- 根据权利要求15所述的基站,其特征在于,所述确定单元还包括:当所述起始位置不是符号边界,且所述起始位置对应的符号编号大于或等于7且小于13时,将14减去第二编号,以获得第一符号数量,所述第二编号是与所述起始位置对应的符号编号相邻的下一个编号;当所述第一符号数量大于或等于所述第二符号数量时,确定所述第一子帧的类型为微时隙,计算所述第一符号数量除以所述第二符号数量的余数,并将所述第二编号与所述余数的和确定为第一编号;当所述第一符号数量小于所述第二符号数量时,确定所述第一子帧的类型为子帧,并将0确定为第一编号;当所述起始位置不是符号边界,且所述起始位置对应的符号编号为13时,确定所述第一子帧的类型为子帧,并将0确定为第一编号。
- 根据权利要求10-16任一项所述的基站,其特征在于,所述发送单元,具体用于将所述第一子帧的类型和所述第一编号通过下行控制信息DCI发送给终端。
- 根据权利要求17所述的基站,其特征在于,所述发送单元,具体用于在DCI中增加新的比特信息或者复用当前比特信息发送所述第一子帧的类型和所述第一编号给终端。
- 一种基站,其特征在于,包括处理器、存储器和收发器,其中:所述存储器中存储有一组程序代码,所述处理器用于调用所述存储器中存储的程序代码执行以下操作:当所述基站抢占到非授权载波时,获取抢占到的非授权载波的起始位置;根据所述起始位置确定第一编号和第一子帧的类型,所述第一编号为所述基站用于发送数据的起始位置对应的符号编号,所述第一子帧为所述第一编号对应的符号所在的子帧;所述收发器,用于将所述第一子帧的类型和所述第一编号发送给终端。
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