WO2023185409A1 - 通信方法和装置 - Google Patents
通信方法和装置 Download PDFInfo
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- WO2023185409A1 WO2023185409A1 PCT/CN2023/080412 CN2023080412W WO2023185409A1 WO 2023185409 A1 WO2023185409 A1 WO 2023185409A1 CN 2023080412 W CN2023080412 W CN 2023080412W WO 2023185409 A1 WO2023185409 A1 WO 2023185409A1
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- frequency band
- information
- terminal device
- state
- switching
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- 238000000034 method Methods 0.000 title claims abstract description 178
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
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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
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- 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
- H04L5/0096—Indication of changes in allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
- H04W28/09—Management thereof
- H04W28/0958—Management thereof based on metrics or performance parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
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- 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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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
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- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/231—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 layers above the physical layer, e.g. RRC or MAC-CE signalling
Definitions
- the embodiments of the present application relate to the field of communication, and more specifically, to a communication method and device.
- the terminal device transmits the radio frequency chain status on time slot #1 to state #1 (for example, state #1 is used on channel #1 Band #A, using band #2 on channel #2), two downlink control information (DCI) may be received on time slot #2, indicating the frequency band used when the terminal device switches to state #2 (For example, DCI#1 indicates the use of frequency band #A, and DCI#2 indicates the use of frequency band #C).
- state #1 for example, state #1 is used on channel #1 Band #A, using band #2 on channel #2
- DCI downlink control information
- the terminal device may process the first downlink control information first and then process the second control information.
- the terminal device may refer to the state #1 before switching and default to the frequency band indicated by the downlink control information.
- the terminal device still uses frequency band #A on channel #1, uses frequency band #C on channel #2, and starts configuring channel parameters.
- channel #2 of the terminal device may not support the use of frequency band #C.
- the terminal device needs to cancel the previously configured channel parameters and reconfigure the channel parameters, thereby increasing the processing delay of the terminal device. Therefore, how to avoid the reconfiguration of the frequency bands corresponding to the above channels and reduce the processing delay of the terminal equipment has become an urgent problem to be solved.
- Embodiments of the present application provide a communication method and device that instructs terminal equipment through network equipment the frequency band and/or carrier before switching and the frequency band and/or carrier after switching, so that the terminal equipment can clearly know which frequency band and/or carrier to interrupt.
- the carrier is switched to the target frequency band and/or carrier, which avoids the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reduces the processing delay of the terminal device, and improves data transmission performance.
- the first aspect provides a communication method, which can be executed by a terminal device (for example, user equipment), or can also be executed by a component of the terminal device (for example, a chip or a circuit), which is not limited.
- a terminal device for example, user equipment
- a component of the terminal device for example, a chip or a circuit
- the method includes: a terminal device receives first information from a network device, the first information includes N information blocks, the N information blocks include a j-th information block, the j-th information block includes a first field, and the first field is used for Indicates the frequency band and/or carrier after the terminal equipment switches, the jth information block is associated with the frequency band and/or carrier before the terminal equipment switches, and the N is a positive integer; the terminal equipment, according to the first information, Uplink data is transmitted on the switched frequency band and/or carrier.
- the j-th information block is associated with the frequency band and/or carrier before the terminal equipment switches
- the network device can use RRC signaling to convert each of the N information blocks into
- the corresponding relationship with the frequency band and/or carrier is configured to the terminal device; or the corresponding relationship between each information block in the N information and the frequency band and/or carrier is preset Defined. For example, the correspondence between the positions of N information blocks and N frequency bands before switching and/or carriers before switching.
- frequency band and/or carrier before switching can also be understood as the frequency band and/or frequency band currently being used by the terminal equipment, or it can also be understood as “source frequency band and/or carrier”; “frequency band after switching” and/or carrier” may also be understood as “target frequency band and/or carrier”.
- each "field” mentioned can be used to indicate various contents, and it can also be understood that the information (for example, bits) carried in the field is used to indicate the corresponding content.
- the "field” in this application can also be understood as "identification information”.
- the terminal device receives the first information from the network device, the first information includes N information blocks, and the terminal device determines the first information block from the N information blocks.
- the first information block includes a first identifier, and the first identifier is used to indicate the target frequency band and/or carrier.
- the terminal device determines the source frequency band and/or carrier according to the position of the first information block in the N information blocks.
- the terminal device Switch the source band and/or carrier to the target band and/or carrier.
- each information block in the first information can be implicitly associated with the frequency band and/or carrier before the terminal device is switched, and the first field in each information block can be used to indicate the frequency band and/or carrier after the switch.
- Frequency band and/or carrier allows the terminal device to clearly interrupt which frequency band/carrier and switch to the target frequency band/carrier, avoiding the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reducing the processing delay of the terminal device, and improving data transmission performance.
- the j-th information block further includes a second field, the second field is used to indicate a time offset between the first information and its scheduled uplink data, the Uplink data is transmitted on the switched frequency band and/or carrier.
- time offset can also be a time slot offset or a symbol offset, or a time slot offset and a symbol offset.
- the "uplink data” can also be understood to mean that the uplink data is located in the frequency band and/or carrier after switching. That is, the terminal equipment may transmit the uplink data in the switched frequency band and/or carrier.
- the terminal device can determine which time slot or which symbols to use the switched frequency band/carrier to send uplink data through the first information, so that after completing the status switch, the terminal device can transmit uplink data according to the second field Indicates to receive data on a specific time slot. This can prevent the terminal device from receiving data before completing the switching between states, thereby improving the data transmission performance.
- the method further includes: the terminal device sending sixth information to the network device, the sixth information being used by the network device to determine the first information, wherein: The sixth information includes a corresponding relationship between at least one channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by the at least one channel; and/or the sixth information at least includes the first state of the terminal device. Switching correspondence between frequency bands when switching between Support a second number of transmitting radio frequency chains for the frequency band of the terminal device on the second frequency band group; and/or the sixth information at least includes when the terminal device switches between the first state and the second state.
- the first state is that the frequency band of the terminal equipment on the first frequency band group supports a first number of transmitting radio frequency chains
- the second state is that the frequency band of the terminal equipment on the second frequency band group A second number of transmitting radio frequency chains is supported; and/or the sixth information at least includes a switching correspondence between frequency bands when the terminal device switches from at least one first frequency band to at least one second frequency band.
- the "frequency band on the first frequency band group” can also be understood as at least one first frequency band
- the "second frequency band” "Frequency band on the segment group” can also be understood as at least one second frequency band.
- the first state can be understood as the terminal device supports the first number of transmitting radio frequency chains on at least one first frequency band
- the second state can be understood as , the terminal device supports a second number of transmitting radio frequency chains on at least one second frequency band.
- the switching correspondence between the frequency bands can be understood as: the terminal equipment switches from the first first frequency band to the first second frequency band. switch between. Specifically, it can be understood as: corresponding switching from the first first frequency band to the first second frequency band, or corresponding switching from the second first frequency band to the second second frequency band, and so on.
- the terminal device reports the switching delay between the first state and the second state. It can also be understood that the terminal device can switch between the first state and the second state, that is, the first state is implicitly indicated. The corresponding relationship between switching between the second state and the second state.
- the terminal device can report the frequency bands supported by each channel to the network device, or the switching correspondence between the corresponding frequency bands when switching between various states, so that the network device can clearly instruct the terminal device Which frequency band should be switched to the target frequency band avoids the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reduces the processing delay of the terminal device, and improves data transmission performance.
- the terminal device can also report the switching delay required when switching between various states, so that the network device can determine the scheduled uplink data.
- the second aspect provides a communication method, which can be executed by a terminal device (for example, user equipment), or can also be executed by a component of the terminal device (for example, a chip or a circuit), which is not limited.
- a terminal device for example, user equipment
- a component of the terminal device for example, a chip or a circuit
- the method includes: the terminal device receives second information from the network device, the second information includes M information blocks, the kth information block among the M information blocks is associated with the frequency band pair of the terminal device, Wherein, the frequency band pair includes a frequency band before switching by the terminal equipment and a frequency band after switching by the terminal equipment, and M is a positive integer; according to the second information, the terminal equipment switches in the frequency band after switching Transmit uplink data.
- the terminal device receives the second information from the network device, the second information includes M information blocks, the terminal device determines the first information block from the M information blocks, and the terminal device determines the first information block according to the first The position of the information block in the M information blocks determines the frequency band pair, and the terminal device switches the source frequency band to the target frequency band based on the determined frequency band pair.
- each information block in the M pieces of information may correspond to the index of a frequency band pair.
- the first information block corresponds to band pair #1
- the second information block corresponds to band pair #2, and so on.
- the corresponding relationship between the frequency band pair and each information block in the M pieces of information may be sent by the network device to the terminal device through RRC signaling, or may be predefined.
- the network device may configure the corresponding relationship between the position of each information block in the M pieces of information and the frequency band pair to the terminal device through RRC signaling.
- each information block in the second information can be implicitly associated with a frequency band pair, that is, the frequency band before switching and the frequency band after switching, so that the terminal device can clearly interrupt which frequency band/carrier and switch to
- the target frequency band/carrier avoids the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reduces the processing delay of the terminal device, and improves data transmission performance.
- the k-th information block further includes a third field, where the third field is used to indicate the carrier after switching by the terminal device.
- each information block in the second information may also indicate the switched carrier. That is, the terminal device can clearly switch to which frequency band carrier, which reduces the processing delay of the terminal device and improves data transmission performance.
- the k-th information block includes a second field, and the second field is used to indicate The time offset between the second information and its scheduled uplink data, which is transmitted on the switched frequency band or carrier.
- the terminal device can determine which time slot or which symbols to use the switched frequency band/carrier to send uplink data through the second information, so that after completing the state switch, the terminal device can transmit uplink data according to the second field Indicates to receive data on a specific time slot. This can prevent the terminal device from receiving data before completing the switching between states, thereby improving the data transmission performance.
- the method further includes: the terminal device sending sixth information to the network device, the sixth information being used by the network device to determine the second information, wherein: The sixth information includes a corresponding relationship between at least one channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by the at least one channel; and/or the sixth information at least includes the first channel of the terminal device.
- the first state is that the frequency band of the terminal device on the first frequency band group supports a first number of transmitting radio frequency chains
- the second state The state is that the frequency band of the terminal device on the second frequency band group supports a second number of transmitting radio frequency chains; and/or the sixth information at least includes when the terminal device switches between the first state and the second state.
- the terminal device can report the frequency bands supported by each channel to the network device, or the switching correspondence between the corresponding frequency bands when switching between various states, so that the network device can clearly instruct the terminal device Which frequency band should be switched to the target frequency band avoids the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reduces the processing delay of the terminal device, and improves data transmission performance.
- the terminal device can also report the switching delay required when switching between various states, so that the network device can determine the scheduled uplink data.
- a communication method is provided, which method can be executed by a terminal device (for example, user equipment), or can also be executed by a component of the terminal device (for example, a chip or a circuit), which is not limited.
- the method includes: the terminal device receives third information from the network device, the third information includes a first field, the first field is used to indicate the frequency band and/or carrier after switching by the terminal device, wherein before switching, The frequency band and/or carrier are determined by the terminal device according to preset rules, or the frequency band and/or carrier before switching are indicated by the network device; the terminal device determines the frequency band and/or carrier before switching according to the third information.
- the data is transmitted on the subsequent frequency band and/or carrier.
- the third information can clearly indicate the frequency band and/or carrier after switching, and can explicitly or implicitly indicate the frequency band and/or carrier before switching, so that the terminal device can clearly interrupt which frequency band /carrier and switches to the target frequency band/carrier, avoiding the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reducing the processing delay of the terminal device, and improving data transmission performance.
- the third information further includes a second field, the second field is used to indicate a time offset between the third information and its scheduled uplink data, and the data is Transmit on the switched frequency band and/or carrier.
- the terminal device can determine which time slot or which symbols to use the switched frequency band/carrier to send uplink data through the third information, so that after completing the state switching, the terminal device can transmit uplink data according to the second field Indicates to receive data on a specific time slot. It can avoid the terminal device not completing switching between states. Just receive data and improve the data transmission performance.
- the third information further includes a fourth field, the fourth field is used to indicate the second table in which the time offset is located, or the fourth field is used to indicate The index or position of the time offset in the first table.
- the network device can indicate the location of the time offset, and the terminal device can determine the time slot for sending data based on the instruction of the network device.
- the method further includes: the terminal device sending sixth information to the network device, the sixth information being used by the network device to determine the second information, wherein: The sixth information includes a corresponding relationship between at least one channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by the at least one channel; and/or the sixth information at least includes the first channel of the terminal device.
- the first state is that the frequency band of the terminal device on the first frequency band group supports a first number of transmitting radio frequency chains
- the second state The state is that the frequency band of the terminal device on the second frequency band group supports a second number of transmitting radio frequency chains; and/or the sixth information at least includes when the terminal device switches between the first state and the second state.
- the first state is that the frequency band of the terminal equipment on the first frequency band group supports a first number of transmitting radio frequency chains
- the second state is that the frequency band of the terminal equipment on the second frequency band group A second number of transmitting radio frequency chains is supported; and/or the sixth information at least includes a switching correspondence between frequency bands when the terminal device switches from at least one first frequency band to at least one second frequency band.
- the terminal device can report the frequency bands supported by each channel to the network device, or the switching correspondence between the corresponding frequency bands when switching between various states, so that the network device can clearly instruct the terminal device Which frequency band should be switched to the target frequency band avoids the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reduces the processing delay of the terminal device, and improves data transmission performance.
- the fourth aspect provides a communication method, which can be executed by a terminal device (for example, user equipment), or can also be executed by a component of the terminal device (for example, a chip or a circuit), which is not limited.
- a terminal device for example, user equipment
- a component of the terminal device for example, a chip or a circuit
- the method includes: the terminal device receives fourth information from the network device, the fourth information includes a fifth field, the fifth field is used to indicate the first frequency band after the terminal device switches, the fourth information also Includes a sixth field, the sixth field is used to instruct the terminal device to receive fifth information, the fifth information is used to indicate the second frequency band after the terminal device switches; the terminal device according to the fourth information and the fifth information, transmit uplink data on the frequency band after switching; or, the fourth information also includes a seventh field, the seventh field is used to indicate the lag time for the fifth field to take effect, so The terminal device transmits uplink data on the switched frequency band according to the fourth information.
- lag time can also be understood as “time window”, “time period” or “time offset”.
- the network device can instruct the terminal device to wait for the fifth information after receiving the fourth message, and jointly determine the frequency band before switching and the frequency band after switching based on the fourth information and the fifth information.
- the first frequency band after switching indicated in the fourth information has an effective lag time, that is, the terminal device will not configure parameters immediately after receiving the fourth information, and while the terminal device is waiting, the network device will also send a fifth information, and finally the terminal device can jointly determine the frequency band before switching and the frequency band after switching based on the fourth information and the fifth information. This allows the terminal device to clearly interrupt which frequency band/carrier and switch to the target frequency band/carrier, avoiding the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reducing the processing delay of the terminal device, and improving data transmission performance.
- the method further includes: the terminal device sending sixth information to the network device, the sixth information being used by the network device to determine The second information, which , the sixth information includes the corresponding relationship between at least one channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by the at least one channel; and/or the sixth information at least includes the terminal device
- the first state is that the frequency band of the terminal device on the first frequency band group supports the first number of transmitting radio frequency chains
- the second state is that the frequency band of the terminal equipment on the second frequency band group supports a second number of transmitting radio frequency chains
- the sixth information at least includes the state of the terminal equipment between the first state and the second state.
- the first state is that the frequency band of the terminal device on the first frequency band group supports the first number of transmitting radio frequency chains
- the second state is that the terminal device supports the first number of transmitting radio frequency chains in the second frequency band
- the frequency bands on the group support a second number of transmitting radio frequency chains; and/or the sixth information at least includes the switching correspondence between frequency bands when the terminal device switches from at least one first frequency band to at least one second frequency band.
- the terminal device can report the frequency bands supported by each channel to the network device, or the switching correspondence between the corresponding frequency bands when switching between various states, so that the network device can clearly instruct the terminal device Which frequency band should be switched to the target frequency band avoids the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reduces the processing delay of the terminal device, and improves data transmission performance.
- the terminal device can also report the switching delay required when switching between various states, so that the network device can determine the scheduled uplink data.
- the fifth aspect provides a communication method, which can be executed by a network device (for example, a base station), or can also be executed by a component of the network device (for example, a chip or a circuit), which is not limited.
- a network device for example, a base station
- a component of the network device for example, a chip or a circuit
- the beneficial effects corresponding to the technical solution on the network side and the beneficial effects corresponding to the device can be referred to the description of the beneficial effects on the terminal side, and will not be described again here.
- the method includes: the network device determines first information, the first information includes N information blocks, the jth information block among the N information blocks includes a first field, and the first field is used to indicate the terminal device The frequency band and/or carrier after switching, the jth information block is associated with the frequency band and/or carrier before switching by the terminal device, and N is a positive integer; the network device sends the jth information block to the terminal device. a message.
- the j-th information block further includes a second field, the second field is used to indicate a time offset between the first information and its scheduled uplink data, the Uplink data is transmitted on the switched frequency band and/or carrier.
- the method further includes: the network device receiving sixth information from the terminal device, the sixth information being used by the network device to determine the first information, wherein, The sixth information includes a corresponding relationship between at least one channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by the at least one channel; and/or the sixth information at least includes the frequency band of the terminal device in the first When switching between a first state and a second state, the switching correspondence relationship between frequency bands, the first state is that the frequency band of the terminal device on the first frequency band group supports a first number of transmitting radio frequency chains, and the third state
- the second state means that the frequency band of the terminal equipment on the second frequency band group supports a second number of transmitting radio frequency chains; and/or the sixth information at least includes the terminal equipment performing operations between the first state and the second state.
- the first state is that the frequency band of the terminal equipment on the first frequency band group supports the first number of transmitting radio frequency chains
- the second state is that the terminal equipment is on the second frequency band group
- the frequency band supports a second number of transmitting radio frequency chains
- the sixth information at least includes the switching correspondence between frequency bands when the terminal device switches from at least one first frequency band to at least one second frequency band.
- a sixth aspect provides a communication method, which may be executed by a network device (eg, a base station), or may be executed by a component of the network device (eg, a chip or a circuit), which is not limited.
- a network device eg, a base station
- a component of the network device eg, a chip or a circuit
- the method includes: the network device determines second information, the second information includes M information blocks, and the M information blocks
- the k-th information block in the information block is associated with a frequency band pair of the terminal device, wherein the frequency band pair includes the frequency band before the terminal device switches and the frequency band after the terminal device switches, and the M is a positive integer;
- the network device sends the second information to the terminal device.
- the k-th information block further includes a third field, where the third field is used to indicate the carrier after switching by the terminal device.
- the k-th information block includes a second field, the second field is used to indicate a time offset between the second information and its scheduled uplink data, and the uplink Data is transmitted on the switched frequency band or carrier.
- the method further includes: the network device receiving sixth information from the terminal device, the sixth information being used by the network device to determine the second information, wherein, The sixth information includes a corresponding relationship between at least one channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by the at least one channel; and/or the sixth information at least includes the frequency band of the terminal device in the first When switching between a first state and a second state, the switching correspondence relationship between frequency bands, the first state is that the frequency band of the terminal device on the first frequency band group supports a first number of transmitting radio frequency chains, and the third state
- the second state means that the frequency band of the terminal equipment on the second frequency band group supports a second number of transmitting radio frequency chains; and/or the sixth information at least includes the terminal equipment performing operations between the first state and the second state.
- the first state is that the frequency band of the terminal equipment on the first frequency band group supports the first number of transmitting radio frequency chains
- the second state is that the terminal equipment is on the second frequency band group
- the frequency band supports a second number of transmitting radio frequency chains
- the sixth information at least includes the switching correspondence between frequency bands when the terminal device switches from at least one first frequency band to at least one second frequency band.
- a seventh aspect provides a communication method, which may be executed by a network device (eg, a base station), or may be executed by a component of the network device (eg, a chip or a circuit), which is not limited.
- a network device eg, a base station
- a component of the network device eg, a chip or a circuit
- the method includes: third information determined by the network device, the third information including a first field used to indicate the frequency band and/or carrier after the terminal device switches, wherein the frequency band and/or carrier before switching
- the carrier is determined by the terminal device according to preset rules, or the frequency band and/or carrier before switching is indicated by the network device; the network device sends the third information to the terminal device.
- the third information further includes a second field, the second field is used to indicate a time offset between the third information and its scheduled uplink data, and the data is Transmit on the switched frequency band and/or carrier.
- the third information further includes a fourth field, the fourth field is used to indicate the second table in which the time offset is located, or the fourth field is used to indicate The index or position of the time offset in the first table.
- the method further includes: the network device receiving sixth information from the terminal device, the sixth information being used by the network device to determine the third information, wherein, The sixth information includes a corresponding relationship between at least one channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by the at least one channel; and/or the sixth information at least includes the frequency band of the terminal device in the first When switching between a first state and a second state, the switching correspondence relationship between frequency bands, the first state is that the frequency band of the terminal device on the first frequency band group supports a first number of transmitting radio frequency chains, and the third state
- the second state means that the frequency band of the terminal equipment on the second frequency band group supports a second number of transmitting radio frequency chains; and/or the sixth information at least includes the terminal equipment performing operations between the first state and the second state.
- the first state is that the terminal device supports the first number of frequency bands on the first frequency band group of transmitting radio frequency chains
- the second state is that the frequency band of the terminal device on the second frequency band group supports a second number of transmitting radio frequency chains
- the sixth information at least includes the terminal device receiving data from at least one When the first frequency band is switched to at least one second frequency band, the switching correspondence between the frequency bands.
- An eighth aspect provides a communication method, which can be executed by a network device (for example, a base station), or can also be executed by a component of the network device (for example, a chip or a circuit), which is not limited.
- a network device for example, a base station
- a component of the network device for example, a chip or a circuit
- the method includes: the network device determines fourth information, the fourth information includes a fifth field, the fifth field is used to indicate the first frequency band after the terminal device switches, the fourth information also includes a sixth field , the sixth field is used to instruct the terminal device to receive the fifth information, and the fifth information is used to indicate the second frequency band after the terminal device switches; or the fourth information also includes a seventh field, the The seventh field is used to indicate the lag time for the fifth field to take effect, wherein the terminal device receives fifth information within the time period, and the fifth information is used to indicate the second frequency band after the terminal device switches; The network device sends the fourth information and the fifth information to the terminal device.
- the network device receives sixth information from the terminal device, and the sixth information is used by the network device to determine the fourth information, wherein the sixth information includes The corresponding relationship between at least one channel of the terminal device and a frequency band, where the frequency band is a frequency band supported by the at least one channel; and/or the sixth information at least includes the status of the terminal device in the first state and the second state.
- the first state is that the terminal device supports a first number of transmitting radio frequency chains in the frequency band of the first frequency band group
- the second state is that the terminal device supports a first number of transmitting radio frequency chains.
- the frequency band of the device on the second frequency band group supports a second number of transmitting radio frequency chains; and/or the sixth information at least includes the switching delay when the terminal device switches between the first state and the second state.
- the first state is that the frequency band of the terminal equipment on the first frequency band group supports a first number of transmitting radio frequency chains
- the second state is that the frequency band of the terminal equipment on the second frequency band group supports a second number
- the sixth information at least includes the switching correspondence between the frequency bands when the terminal device switches from at least one first frequency band to at least one second frequency band.
- a communication device which is used to perform the method in any of the possible implementation manners of the first to fourth aspects.
- the device may include units and/or modules for performing the method in any possible implementation of the first to fourth aspects, such as a transceiver unit and/or a processing unit.
- the device is a terminal device.
- the communication unit may be a transceiver, or an input/output interface;
- the processing unit may be at least one processor.
- the transceiver may be a transceiver circuit.
- the input/output interface may be an input/output circuit.
- the device is a chip, a chip system or a circuit for a terminal device.
- the communication unit may be an input/output interface, interface circuit, output circuit, input circuit, pin or related circuit on the chip, chip system or circuit, etc.
- the processing unit may be at least one processor, processing circuit or logic circuit, etc.
- a communication device which is used to perform the method in any of the possible implementation manners of the fifth to eighth aspects.
- the device may include units and/or modules for performing the method in any possible implementation of the fifth aspect to the eighth aspect, such as a transceiver unit and/or a processing unit.
- the device is a network device.
- the communication unit may be a transceiver, or an input/output interface;
- the processing unit may be at least one processor.
- the transceiver may be a transceiver circuit.
- the input/output interface may be an input/output circuit.
- the device is a chip, system on a chip, or circuit for network equipment.
- the communication unit can be an input/output interface, interface circuit, output circuit, input circuit, pin or related circuit on the chip, chip system or circuit;
- the processing unit can be It is at least one processor, processing circuit or logic circuit, etc.
- a communication device which device includes: at least one processor for executing computer programs or instructions stored in a memory to execute any one of the above-mentioned first to fourth aspects. Methods in possible implementations.
- the device further includes a memory for storing computer programs or instructions.
- the device further includes a communication interface, through which the processor reads the computer program or instructions stored in the memory.
- the device is a terminal device.
- the device is a chip, a chip system or a circuit for a terminal device.
- a communication device in a twelfth aspect, includes: at least one processor for executing computer programs or instructions stored in a memory to perform any possibility of any one of the above fifth to eighth aspects. Methods in the implementation.
- the device further includes a memory for storing computer programs or instructions.
- the device further includes a communication interface, through which the processor reads the computer program or instructions stored in the memory.
- the device is a network device.
- the device is a chip, system on a chip, or circuit for network equipment.
- the present application provides a processor, including: an input circuit, an output circuit and a processing circuit.
- the processing circuit is configured to receive a signal through the input circuit and transmit a signal through the output circuit, so that the processor executes the method in any one of the possible implementations of any one of the first to eighth aspects. .
- the above-mentioned processor can be one or more chips
- the input circuit can be an input pin
- the output circuit can be an output pin
- the processing circuit can be a transistor, a gate circuit, a flip-flop and various logic circuits, etc.
- the input signal received by the input circuit may be received and input by, for example, but not limited to, a transceiver.
- the signal output by the output circuit may be, for example, but not limited to, output to a transmitter and transmitted by the transmitter, and the input circuit and the output A circuit may be the same circuit that functions as an input circuit and an output circuit at different times.
- the embodiments of this application do not limit the specific implementation methods of the processor and various circuits.
- processor output, reception, input and other operations can be understood as processor output, reception, input and other operations.
- transmitting and receiving operations performed by the radio frequency circuit and the antenna, which is not limited in this application.
- a processing device including a processor and a memory.
- the processor is used to read instructions stored in the memory, and can receive signals through a transceiver and transmit signals through a transmitter to execute the method in any possible implementation manner of any one of the first to eighth aspects.
- processors there are one or more processors and one or more memories.
- the memory may be integrated with the processor, or the memory may be provided separately from the processor.
- the memory can be a non-transitory memory, such as a read-only memory (ROM), which can be integrated on the same chip as the processor, or can be set in different On the chip, the embodiment of the present application does not limit the type of memory and the arrangement of the memory and the processor.
- ROM read-only memory
- sending instruction information may be a process of outputting instruction information from the processor
- receiving capability information may be a process of the processor receiving input capability information.
- the data output by the processor can be output to the transmitter, and the input data received by the processor can be from the transceiver.
- the transmitter and transceiver can be collectively referred to as transceiver.
- the processing device in the fourteenth aspect above may be one or more chips.
- the processor in the processing device can be implemented by hardware or software.
- the processor can be a logic circuit, an integrated circuit, etc.;
- the processor can be a general processor, which is implemented by reading software codes stored in a memory, and the memory can Integrated in the processor, it can be located outside the processor and exist independently.
- a computer-readable storage medium stores a program code for device execution.
- the program code includes a program code for executing any of the possible implementations of the above-mentioned first to eighth aspects. Methods.
- a sixteenth aspect provides a computer program product containing instructions, which when the computer program product is run on a computer, causes the computer to execute the method in any of the possible implementation modes of the first to eighth aspects.
- a seventeenth aspect provides a chip system, including a processor for calling and running a computer program from a memory, so that a device installed with the chip system executes each implementation of any one of the above-mentioned first to eighth aspects. method within the method.
- An eighteenth aspect provides a communication system, which includes the terminal device and the network device.
- the terminal device is configured to perform any possible implementation method in any one of the above first to fourth aspects
- the network device is configured to perform any one of the above fifth to eighth aspects. One possible way to do it.
- Figure 1 is a schematic diagram of a scenario applicable to this application.
- Figure 2 is a schematic flow chart of the communication method 200 provided by this application.
- FIG. 3 is a schematic diagram of information blocks in the first information provided by this application.
- FIG. 4 is a schematic diagram of information blocks in the second information provided by this application.
- FIG. 5 is a schematic diagram of the third information provided by this application.
- FIG. 6 is a schematic block diagram of the communication device 100 provided by this application.
- FIG. 7 is a schematic block diagram of the communication device 200 provided by this application.
- Wireless communication systems applicable to the embodiments of this application include but are not limited to: global system of mobile communication (GSM) system, long term evolution (long term evolution, LTE) frequency division duplex (FDD) system , LTE time division duplex (TDD), LTE system, advanced long-term evolution (LTE-Advanced, LTE-A) system, next-generation communication system (for example, 6G communication system), integration of multiple access systems system, or evolving system.
- GSM global system of mobile communication
- LTE long term evolution
- FDD frequency division duplex
- TDD LTE time division duplex
- LTE system LTE system
- LTE-Advanced, LTE-A advanced long-term evolution
- next-generation communication system for example, 6G communication system
- integration of multiple access systems system or evolving system.
- MTC machine type communication
- LTE-M long term evolution-machine
- D2D device to device
- M2M machine to machine
- IoT Internet of things
- the IoT network may include, for example, the Internet of Vehicles.
- V2X, X can represent anything).
- the V2X can include: vehicle to vehicle (V2V) communication, where the vehicle and infrastructure(vehicle to infrastructure, V2I) communication, communication between vehicles and pedestrians (vehicle to pedestrian, V2P) or vehicle to network (vehicle to network, V2N) communication, etc.
- V2V vehicle to vehicle
- V2I vehicle and infrastructure(vehicle to infrastructure, V2I) communication
- V2P vehicle to pedestrian
- V2N vehicle to network
- the terminal equipment involved in the embodiments of this application may include various access terminals, mobile devices, user terminals or user devices with wireless communication functions.
- the terminal device can be a user equipment (UE), such as a mobile phone, a tablet, a computer with a wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (augmented reality, AR) terminal equipment, etc.
- UE user equipment
- VR virtual reality
- AR augmented reality
- Terminal equipment can also be wireless terminals in industrial control (industrial control), machine type communication (MTC) terminals, customer premise equipment (CPE), and wireless terminals in self-driving (self-driving) , wireless terminals in remote medical, wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, smart home ), cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), handheld devices with wireless communication capabilities Equipment, computing equipment or other processing equipment connected to wireless modems, vehicle-mounted equipment, wearable devices, terminal equipment in 5G networks or terminal equipment in future evolved public land mobile communications networks (public land mobile network, PLMN), etc.
- industrial control industrial control
- MTC machine type communication
- CPE customer premise equipment
- self-driving self-driving
- wireless terminals in remote medical wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, smart home ), cellular phones, cordless phones, session
- the network device (for example, a wireless access network device) involved in the embodiment of the present application may be an access device through which a terminal device wirelessly accesses the mobile communication system.
- the wireless access network equipment may be: a base station, an evolved node B (eNB), a home base station, an access point (AP) in a wireless fidelity (WiFi) system, or a wireless relay Node, wireless backhaul node, transmission point (TP) or transmission and reception point (TRP), macro base station or micro base station, high-frequency base station, etc.
- the wireless access network equipment can also be a next generation base station (next generation node B, gNB) in the NR system, or it can also be a component or part of the equipment that constitutes the base station, such as a convergence unit (central unit, CU), distributed Unit (distributed unit, DU) or baseband unit (baseband unit, BBU), etc.
- gNB next generation base station
- DU distributed Unit
- BBU baseband unit
- wireless access network equipment is referred to as network equipment. If there is no special explanation, in this application, network equipment refers to wireless access network equipment.
- the network device may refer to the network device itself, or it may be a chip used in the network device to complete the wireless communication processing function.
- network equipment e.g., base stations
- the transmit power of the terminal equipment is very small and the uplink coverage is limited. Therefore, the received signal strength of the uplink transmitted signal when it reaches the network equipment may not be enough to guarantee its coverage performance.
- FIG 1 is a schematic diagram of a scenario applicable to the technical solution of this application.
- SUL supplementary uplink
- LTE long term evolution
- terminal equipment can communicate with the LTE uplink time division duplex (time division duplex) when using the LTE frequency band for NR transmission.
- division duplex (TDD) multiplexes the frequency band.
- the terminal device when the terminal device is in the TDD mid-frequency band (2.6GHz, 3.5GHz or 4.9GHz) coverage, the terminal device uses the TDD mid-frequency band; when the terminal device moves to the TDD mid-frequency band (2.6GHz, 3.5GHz or 4.9GHz)
- the terminal equipment can use the LTE low-frequency band in the uplink, which supplements the uplink coverage shortcomings of the TDD mid-frequency band and extends the uplink coverage.
- terminal equipment can also use other frequency bands in the uplink to supplement the uplink, further extending the uplink coverage.
- the terminal device transmits uplink data on the NR frequency band (band) (for example, 2.6GHz), it can be used from the lower frequency band where LTE is located (for example, 700MHz/800MHz/900MHz, 1.8GHz or 2.1GHz)
- the carrier is used for NR uplink transmission, and this carrier can be understood as the SUL frequency band. That is to say, in the SUL scenario, it is expected that the terminal equipment can switch between multiple frequency bands such as 700M/800M/900M, 1.8G, 2.1G, 3.5G or 4.9GHz according to the channel status or the load condition of the corresponding frequency band. Perform dynamic switching.
- Switching delay of phase locked loop Generally speaking, it takes about 300 microseconds for the phase locked loop to re-lock on a frequency band. Specifically, if the phase-locked loop of one frequency band is turned off, re-locked to another frequency band, or a new phase-locked loop is turned on, such a switching delay is required.
- the transmitting channel can work in the following manner, but is not limited to the following: the transmitting channel can receive the baseband signal from the baseband chip, and perform radio frequency processing (such as upconversion, amplification and filtering) on the baseband signal to obtain the radio frequency signal. , and finally radiate the radio frequency signal into space through the antenna.
- the transmit channel may include an antenna switch, an antenna tuner, a low noise amplifier (LNA), a power amplifier (PA), a mixer, a local oscillator (LO), and Electronic devices such as filters can be integrated into one or more chips as needed.
- the antenna can sometimes be considered part of the transmission channel.
- radio frequency chain can also be replaced by T
- the “band” mentioned in the embodiments of this application can also be understood as “frequency band”, “frequency point” and “spectrum”.
- the “frequency band” in this application can also be understood as a component carrier (CC) (which can also be referred to as a “carrier” for short), that is, the technical solution of this application is also fully applicable to the “carrier”.
- CC component carrier
- the “frequency band” is mainly used as an example for description.
- sending radio frequency chain can also be understood as “sending”, “capable of sending”, “transmitting” or “capable of transmitting”.
- the number of sending radio frequency chains can be understood as “the number of sending”, “the number that can be sent”, “the number of transmissions” or “the number that can be transmitted”.
- the number of transmitting radio frequency chains can also be understood as the "number of layers", “number of antenna layers” or “number of channels”.
- the "switch” mentioned in the embodiments of this application can also be understood as “switching”; the “switching delay” mentioned in the embodiments of this application can also be understood as “carrier switching delay”, “carrier switching time””Delay”,”carrier switching period (period or interval)” or “switching interval (gap)”; the “switching delay” mentioned in the embodiment of this application can also be called “switching time in the carrier switching preparation time ( switching time)” or “switching preparation in advance “Switching time (switching time)” in the measurement.
- the network device when the network device performs uplink scheduling, it will perform corresponding scheduling processing based on the switching delay.
- N2 can be understood as the uplink processing delay or uplink preparation delay), which will not be described in detail below.
- channel #1 may support frequency band #A and frequency band #C
- channel #2 may support frequency band #A and frequency band #B.
- the terminal device transmits the radio frequency chain status on time slot #1 to state #1 (for example, state #1 is using frequency band # on channel #1 A, using frequency band #2 on channel #2), two downlink control information (DCI) may be received on time slot #2, indicating the frequency band used when the terminal device switches to state #2.
- DCI#1 indicates the use of frequency band #A
- DCI#2 indicates the use of frequency band #C.
- the terminal device may process the first downlink control information first and then process the second control information.
- the terminal device may refer to the state #1 before switching and default to the frequency band indicated by the downlink control information.
- the terminal device still uses frequency band #A on channel #1, uses frequency band #C on channel #2, and starts configuring channel parameters.
- channel #2 of the terminal device may not support the use of frequency band #C.
- the terminal device needs to cancel the previously configured channel parameters and reconfigure the channel parameters, thereby increasing the processing delay of the terminal device. It should be understood that the above scenario is only an example of this application. When the terminal device switches between various states, there are many such scenarios, and I will not analyze them one by one here.
- the present application provides a communication method that indicates to the terminal device through the network device the frequency band and/or carrier before switching and the frequency band and/or carrier after switching, so that the terminal device can clearly know which frequency band/carrier is interrupted and Switching to the target frequency band/carrier avoids the problem of reconfiguring the frequency band corresponding to the channel of the terminal device, reduces the processing delay of the terminal device, and improves data transmission performance.
- the “correspondence relationship”, “association relationship”, etc. mentioned in this application can be configured by the network device to the terminal device through radio resource control (RRC) signaling, or can be understood as predetermined rules.
- RRC radio resource control
- Figure 2 is a communication method 200 provided by this application.
- the method 200 illustrates the steps of a specific embodiment of the technical solution of this application from the perspective of interaction between a terminal device and a network device. Each step shown in Figure 2 will be described below.
- Step 201 The terminal device sends sixth information to the network device.
- the sixth information may include a correspondence between each channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by each channel.
- each channel supports transmission on two frequency bands; for another example, each channel supports transmission on three frequency bands, etc.
- This application does not limit the number of channels, and the number of frequency bands supported by each channel is also not limited. Not limited.
- the terminal device can report that channel #1 supports frequency band #A and frequency band #C, and channel #2 supports frequency band #A and frequency band #B.
- the terminal device can report that channel #1 supports frequency band #A and frequency band #D, channel #2 supports frequency band #A and frequency band #B, channel #3 supports frequency band #B and frequency band #C, and channel #4 supports frequency band #A. , Band #C, etc.
- the frequency band supported by each channel can be understood as each channel supporting data transmission in this frequency band.
- the sixth information includes the switching correspondence between frequency bands when the terminal device switches between various states (for example, the first state and the second state).
- the first state is that the frequency band of the terminal device on the first frequency band group supports a first number of transmitting radio frequency chains
- the second state is that the frequency band of the terminal device on the second frequency band group supports a second number of transmitting radio frequency chains.
- the "frequency band on the first frequency band group” can also be understood as at least one first frequency band
- the "frequency band on the second frequency band group” can also be understood as at least one second frequency band.
- the first state can be understood as: the terminal device supports a first number of transmitting radio frequency chains on at least one first frequency band
- the second state can be understood as: the terminal device supports a second number of transmitting radio frequency chains on at least one second frequency band.
- RF chain
- channel #1 of the terminal device supports frequency band #A and frequency band #C
- channel #2 supports frequency band #A and frequency band #B.
- state #4 an example of the first state
- T transmits an RF chain on channel #2 using band #B (an example of the second band)
- state #5 an example of the second state
- band #C an example of the second state
- One RF chain is sent using band #A (another example of a second band) on channel #2.
- the terminal device can report to the network device that the channel #1 is switched from frequency band #A to frequency band #C, and the channel #2 is switched from frequency band #B to frequency band #A.
- Table 1 For example, see Table 1.
- state #1 (an example of the first state) is that the terminal uses band #B on channel #2 (e.g., there are two transmit RF chains on channel #2), state #4 (an example of the second state) Example) Send an RF chain for an end device on channel #1 using band #A and on channel #2 using band #B. Then the terminal device can report to the network device that channel #2 is switched from frequency band #B to frequency band #B (at this time, it can also be understood as no need to switch), and the frequency band used on channel #1 is switched to frequency band #A (which can be understood as , the RF chain has not yet been transmitted on channel #1 before switching). For example, see Table 2.
- the sixth information includes the corresponding switching delay when the terminal device switches between various states (for example, the first state and the second state).
- the terminal device may switch between state #4 and state #5 with a switching delay of #1.
- Switching delay #1 can be 38 microseconds, 140 microseconds, 210 microseconds, 280 microseconds, 500 microseconds, or 1 millisecond, etc.
- the terminal device may report the switching delay #2 required for switching between state #1 and state #5.
- Switching delay #2 can be 38 microseconds, 140 microseconds, 280 microseconds, 210 microseconds, 280 microseconds, 500 microseconds, or 1 millisecond, etc.
- the terminal device reports the switching delay #2 required to switch between state #1 and state #5, it can also be understood that it implicitly indicates the corresponding switching relationship between state #1 and state #5, that is, the state Corresponding switching can be performed between state #1 and state #5.
- the sixth information may include the terminal device switching from at least one first frequency band to When there is at least one second frequency band, the switching correspondence between frequency bands.
- the terminal device may report switching from the first first frequency band to the first second frequency band, and/or switching from the second first frequency band to the second second frequency band.
- the terminal device can report switching from frequency band #A to frequency band #C, and switching from frequency band #B to frequency band #A.
- the terminal device can also report the switching delay required to switch from the default state or the fallback state to the new frequency band. At this time, it is considered that after the terminal device completes transmission in the current frequency band, it can also fall back to the frequency band corresponding to the default state/fallback state.
- the switching delay may be 35 microseconds. Falling back to the frequency band corresponding to the default state/fallback state means that the phase-locked loop is locked to the frequency band corresponding to the default state/fallback state.
- the default state/fallback state may be predefined, or the network device may be preconfigured. In this application, pre-configuration can be understood as network device configuration through radio resource control (RRC) signaling.
- RRC radio resource control
- the terminal device can also report to retain the original status. That is, it will not go from the state where the network device schedules transmission to the fallback state, but will only continue to reside in the state indicated by the base station.
- Step 202 The network device receives the sixth information sent by the terminal device and determines the first information.
- the terminal device may determine the frequency band and/or carrier before the terminal device switches and the frequency band and/or carrier after the switch according to the sixth information reported by the terminal device. For example, as shown in Table 1, the terminal device can report to the network device a switch from frequency band #A to frequency band #C on channel #1, and a switch from frequency band #B to frequency band #A on channel #2.
- the network device can determine that the terminal device should interrupt the current transmission from Band #B and turn to Band # A for target transmission; it can also be determined that the terminal device should interrupt the current transmission from frequency band #A and switch to frequency band #C for target transmission. Therefore, the frequency band before switching is frequency band #B, and the frequency band after switching is frequency band #A; and the frequency band before switching is frequency band #A, and the frequency band after switching is frequency band #C.
- the default state is band #A. If the time interval between the current state and the next state is greater than or equal to a time length, the terminal device enters the default state.
- the time length may be predefined, for example, the time length of two time slots (slots) or the time length of one slot.
- the first information includes at least one information block (for example, N information blocks, N is an integer greater than 0), wherein each information block can be associated with the frequency band and/or carrier before the terminal device switches. It can also be understood that each information block can be implicitly associated with the frequency band and/or carrier before the terminal device is switched.
- the first information block may correspond to the lowest frequency band index and/or carrier index, and in turn, the Nth information block may correspond to the highest frequency band index and/or carrier index.
- the first information block may correspond to the highest frequency band index and/or carrier index, and in turn, the Nth information block may correspond to the lowest frequency band index and/or carrier index.
- the lowest frequency band index and/or carrier index and the highest frequency band index and/or carrier index may be for the frequency band and/or carrier currently used by the terminal device.
- the frequency bands currently used by the terminal device are n28 and n43
- the lowest frequency band index is the frequency band index corresponding to frequency band n28
- the highest frequency band index is the frequency band index corresponding to frequency band n43.
- the carriers currently used by the terminal equipment are serving cells (serving cell) #3 and serving cell #5, then the lowest carrier index is the index 3 corresponding to the carrier serving cell #3, and the highest carrier index is the carrier serving cell Index 5 corresponding to #5.
- the first information block may correspond to the terminal frequency band #1
- the second information block may correspond to the frequency band #3.
- the frequency band currently used by the terminal device is frequency band #28, Band #36, for example, the first information block may correspond to band #28, the second information block may correspond to band #36, and so on.
- the first information block may correspond to carrier #3 on frequency band #1 by default
- the second information block may correspond to carrier #3 on frequency band #1 by default.
- the block may default to carrier #1 on band #2, and so on.
- an entire index can be compiled for the carriers in each frequency band. Assume that each frequency band can support four carriers, then there can be 12 carriers on frequency band #1 ⁇ frequency band #3. Assume that carrier #1 ⁇ carrier 4 are the carriers on frequency band #1, and carrier #5 ⁇ carrier # 8 is the carrier on frequency band #2, and carrier #9 to carrier #12 are the carriers on frequency band #4. At this time, the first information block may correspond to carrier #1, the second information block may correspond to carrier #2, the third information block may correspond to carrier #3, the tenth information block may correspond to carrier #10, and so on. It can also be understood that at this time, through the corresponding relationship between the information block and the carrier, the frequency band after switching can also be implicitly indicated.
- each information block may also correspond to a carrier set.
- the carrier set can be understood as dividing 32 carriers into P (P is an integer greater than 0) sets or groups, and each information block corresponds to the index of a carrier set or the index of a carrier group.
- the first information may include at least one information block, where each information block includes field #1 (an example of the first field), where field #1 is used to indicate the switched frequency band and/or carrier.
- field #1 includes a 1-bit first indication, and the 1-bit first indication is used to indicate whether to trigger switching from the current frequency band and/or carrier (indication on whether switch this band/CC).
- Field #1 may also include a second indication (the second indication may occupy 3 bits, for example), and the second indication is used to indicate the frequency band and/or carrier after switching (switch to band/CC).
- the second indication may indicate the frequency band index of the switched frequency band (switch to band index/CC index).
- the second indication may indicate that the switched frequency band is frequency band #3.
- the second indication may indicate the carrier of the switched frequency band (for example, carrier #1 of frequency band #4).
- the second indication may indicate the switched carrier, for example, the switched carrier is carrier #11 (as mentioned above, in this case, the switched frequency band may be implicitly indicated to be frequency band #3).
- each information block may also include field #2 (an example of the second field), which is used to indicate the time offset between the first information and its scheduled uplink data.
- field #2 can be used to indicate K2' or K1'.
- the network device can determine the uplink data scheduling for the terminal device (for example, determine K2') based on the switching delay between various states reported by the terminal device, so that after completing the state switching, the terminal device follows the instructions in field #2 Receive data on specific time slots or symbols. This can prevent the terminal device from receiving data before completing the switching between states, thereby improving the data transmission performance.
- time offset may also be a “time slot offset” or a “symbol offset”, or may be a “time slot offset” and a “symbol offset”.
- K2 is the delay in scheduling uplink data transmission (can also be called: data processing time or data preparation time)
- K1 is the delay from scheduling the physical downlink shared channel (PDSCH) to the feedback physical uplink control channel (physical uplink control channel, PUCCH).
- PDSCH physical downlink shared channel
- PUCCH physical uplink control channel
- K2' may be, for example, the existing K2 plus the phase-locked loop locking time.
- K1' may be, for example, the existing K1 plus the phase-locked loop locking time.
- K2' is greater than or equal to the time of three time slots or the time of four time slots.
- a separate table can be defined for K2' (for example, the table of K2 in the existing agreement is recorded as the "first table”, and the table of K2' in this application can be recorded as the "second table”).
- K2’ is different from the values listed in the existing K2 table.
- the network device indicates K2’ to the terminal device, it needs the table index indication and the value indication of K2’. It can also be understood that the second form needs to be instructed at this time.
- the value of K2’ can be added to the current K2 table.
- the bits can be extended, in which case the table index indication is not needed.
- each information block also contains at least one item of scheduling information such as modulation and coding strategy offset (MCS offset), transmission power control (TPC), etc., indicating the frequency band/carrier of the terminal device after switching. transmission rate on.
- MCS offset modulation and coding strategy offset
- TPC transmission power control
- the network device may refer to the MCS information and TPC information of the current frequency band/carrier to indicate the MCS information and TPC information of the target frequency band/carrier after switching, etc.
- the first information may not contain any scheduling information (such as MCS offset and TPC).
- scheduling information such as MCS offset and TPC.
- the first information needs to be used in conjunction with the DCI scheduled to transmit uplink data on the target frequency band/carrier to complete the uplink data transmission of the target frequency band/carrier.
- the first information is only used to indicate which frequency band/carrier transmission is interrupted by the switching and the frequency band/carrier after the switching, and is not used for scheduling instructions.
- each information block may correspond to the frequency band and/or carrier currently locked or parked by the phase-locked loop.
- it can correspond to the number of the frequency band and/or carrier ("number” can also be understood as "index”) from low to high, or it can correspond to the number of the frequency band/carrier from high to low (wherein, Figure 3 Fields shown with dashed lines are optional).
- the above-mentioned first information may be group common downlink control information (group common DCI) (that is, at this time, one or more terminals can determine the frequency band/carrier after switching based on the DCI), and the redundancy check of the DCI
- group common DCI group common downlink control information
- CRC cyclic redundancy check
- PUSCH-switch-RNTI new physical uplink shared channel switching wireless network temporary identifier
- the new physical uplink shared channel switching wireless network temporary identifier is configured by the network device through RRC signaling.
- Step 203 The network device sends the first information to the terminal device.
- network devices can send group common DCI to end devices.
- Step 204 The terminal device receives the first information sent by the network device, and transmits uplink data on the switched frequency band/carrier according to the first information.
- the first information received by the terminal equipment includes two information blocks.
- the first information The block corresponds to band #18, and the second information block corresponds to band #20.
- the first information block includes field #1, the first indication in field #1 indicates switching from the current frequency band (i.e., "indication on whether switch this band" is "1"), the second indication in field #1 Indicates that the switched frequency band is frequency band #16.
- the second information block also includes field #1.
- the first indication in field #1 indicates switching from the current frequency band
- the second indication in field #1 indicates that the frequency band after switching is frequency band #18. That is, the terminal device may switch from frequency band #18 and frequency band #20 (for example, the fourth state) to frequency band #16 and frequency band #18 (for example, the fifth state).
- the terminal device currently uses carrier #12 (e.g., implicit corresponding frequency band #3) in channel #1 and carrier #25 (e.g., implicit corresponding frequency band #7) in channel #2 to transmit uplink data.
- the first information received by the terminal device includes two information blocks, the first information block corresponds to carrier #12, and the second information block corresponds to carrier #25.
- the first information block includes field #1, the first indication in field #1 indicating switching from the current carrier (i.e., "indication on whether switch CC" is "1"), and the second indication in field #1 , indicating that the switched carrier is frequency band #13 (for example, implicitly corresponding to frequency band #4).
- the second information block also includes field #1.
- the first indication in field #1 indicates switching from the current carrier
- the second indication in field #1 indicates that the carrier after switching is carrier #10 (for example, implicit corresponds to band #3). That is, the terminal device may switch from carrier #12 and carrier #25 (for example, the fourth state) to carrier #13 and carrier #10 (for example, the fifth state).
- the terminal device can determine which frequency band and/or carrier needs to be interrupted through the first information and specify the frequency band and/or carrier after switching, thereby avoiding the problem of reconfiguring the frequency band corresponding to the channel of the terminal device and reducing the time required. extension.
- field #2 may instruct the terminal device to send data on the third symbol of the second time slot. , that is, data can be transmitted using frequency band #16 and frequency band #18 starting from the third symbol of time slot #2.
- the terminal device can determine which time slot or which symbols to use the switched frequency band/carrier to send uplink data through the first information, so that after completing the state switch, the terminal device can transmit uplink data at a specific time according to the instructions of field #2. receive data on the slot. This can prevent the terminal device from receiving data before completing the switching between states, thereby improving the data transmission performance.
- Method 300 illustrates specific embodiment steps of the technical solution of this application from the perspective of interaction between terminal equipment and network equipment. The steps of method 300 are similar to the steps of method 200.
- the specific flow diagram can be Refer to FIG. 2 for understanding, and the steps of the method 300 will be described below without repeated illustration.
- Step 301 The terminal device sends sixth information to the network device.
- the sixth information may include a correspondence between each channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by each channel.
- the sixth information includes the switching correspondence between frequency bands when the terminal device switches between various states (for example, the first state and the second state).
- the sixth information may include the switching correspondence between frequency bands when the terminal device switches from at least one first frequency band to at least one second frequency band.
- the sixth information includes the corresponding switching delay when the terminal device switches between various states (for example, the first state and the second state).
- the terminal device can also report the switching delay required to switch from the default state or the fallback state to the new frequency band.
- the terminal device can also report to retain the original status. That is, it will not go from the state where the network device schedules transmission to the fallback state, but will only continue to reside in the state indicated by the base station.
- step 201 in method 200 for understanding, and details will not be described again here.
- Step 302 The network device receives the sixth information sent by the terminal device, and determines the second information based on the sixth information.
- the second information includes at least one information block (for example, M information blocks, M is an integer greater than 0.), each information block is associated with a band pair of the terminal device, wherein, the The frequency band pair includes the frequency band before the terminal device is switched and the frequency band after the terminal device is switched.
- This "frequency band pair" can be understood as ⁇ the frequency band before switching (switch from band)—switched frequency band (switch to band) ⁇ . It can also be understood that each information block is implicitly associated with the frequency band before the terminal device is switched and the frequency band after the switch.
- a first information block may correspond to frequency band pair #1
- a second information block may correspond to frequency band pair #2
- a third information block may correspond to frequency band pair #3, and so on.
- Table 3 shows the frequency band pairs when the terminal device supports three frequency bands.
- each information block can implicitly correspond to the frequency band before switching and the frequency band after switching, and the terminal device can learn which frequency band needs to be interrupted and the frequency band after switching according to each information block.
- Table 3 can be configured by the network device through RRC signaling, or it can be predefined.
- each information block includes a 1-bit third indication, and the 1-bit third indication is used to indicate whether to trigger switching from the current frequency band pair (indication on whether switch this bandpair).
- each information block may also include field #3 (an example of the third field), where field #3 is used to indicate the carrier after switching.
- field #3 is used to indicate the carrier after switching.
- the index of the switched carrier may be indicated (e.g., switch to CC index).
- the first information block corresponds to frequency band pair #1
- field #3 may further indicate that the switched carrier is carrier #1 on frequency band #B
- the second information block corresponds to frequency band pair #2
- field #3 on the second information block may further indicate that the switched carrier is carrier #4 on frequency band #C, and so on.
- each information block also includes field #2 (an example of the second field), which is used to indicate the time offset between the first information and its scheduled uplink data.
- field #2 an example of the second field
- field #2 please refer to the description in step 202 of method 200, which will not be described again here.
- each information block also contains at least one item of scheduling information such as modulation and coding strategy offset (MCS offset), transmission power control (TPC), etc., indicating the frequency band/carrier of the terminal device after switching. transmission rate on.
- MCS offset modulation and coding strategy offset
- TPC transmission power control
- the network device may refer to the MCS information and TPC information of the current frequency band/carrier to indicate the MCS information and TPC information of the target frequency band/carrier after switching, etc.
- each information block does not contain any scheduling information (such as MCS offset and TPC).
- scheduling DCI of the target frequency band/carrier needs to be combined. That is, the second information needs to be used in conjunction with the DCI scheduled to transmit uplink data on the target frequency band/carrier to complete the uplink data transmission of the target frequency band/carrier. It can also be understood that at this time, the second information is only used to indicate which frequency band/carrier transmission is interrupted by the switching and the frequency band/carrier after the switching, and is not used for scheduling instructions.
- each information block can correspond to a frequency band pair.
- number can also be understood as “index”
- index corresponds in order from low to high, or may correspond to the number of the frequency band pair in order from high to low.
- the above-mentioned second information may be group common downlink control information (group common DCI), and the CRC of the DCI may be wrapped by a new physical uplink shared channel switching radio network temporary identifier (PUSCH-switch-RNTI).
- group common DCI group common downlink control information
- PUSCH-switch-RNTI new physical uplink shared channel switching radio network temporary identifier
- Step 303 The network device sends the second information to the terminal device.
- network devices can send group common DCI to end devices.
- Step 304 The terminal device receives the second information sent by the network device, and transmits uplink data on the switched frequency band according to the second information.
- the terminal device receives the second information.
- the second information includes two information blocks.
- the first information block corresponds to frequency band pair #1.
- frequency band pair #1 indicates that the frequency band before switching is frequency band #18 and the frequency band after switching is frequency band #. 16.
- the terminal device determines to switch from frequency band #18 to frequency band #16.
- the second information block corresponds to frequency band pair #2, and frequency band pair #2 indicates that the frequency band before switching is frequency band #20, and the frequency band after switching is frequency band #18.
- the third indication of 1 bit in the second information block (indication on whether switch this band pair) is 1, then the terminal device determines to switch from frequency band #20 to frequency band #18. That is, the terminal device may switch from frequency band #18 and frequency band #20 (for example, the fourth state) to frequency band #16 and frequency band #18 (for example, the fifth state).
- field #3 indicates that the carrier switched by the terminal device is carrier #1. That is, the terminal device may determine to transmit uplink data on carrier #1 on the switched frequency band #16.
- the second information block includes field #3, and field #3 indicates that the carrier after the terminal device switches is carrier #3. That is, the terminal device may determine to transmit uplink data on carrier #3 on the switched frequency band #18.
- the terminal device can determine which frequency band needs to be interrupted and specify the frequency band or carrier after switching through the second information, thereby avoiding the problem of reconfiguring the frequency band corresponding to the channel of the terminal device and reducing the delay.
- field #2 may instruct the terminal device to send data on the third symbol of the second time slot. , that is, data can be transmitted using frequency band #16 and frequency band #18 starting from the third symbol of time slot #2.
- the terminal device can determine which time slot or which symbols to use the switched frequency band/carrier to send uplink data through the second information, so that after completing the state switch, the terminal device can transmit uplink data at a specific time according to the instructions of field #2. receive data on the slot. This can prevent the terminal device from receiving data before completing the switching between states, thereby improving the data transmission performance.
- Method 400 illustrates specific embodiment steps of the technical solution of this application from the perspective of interaction between terminal equipment and network equipment. The steps of method 400 are similar to the steps of method 200.
- the specific flow diagram can be For understanding, refer to FIG. 2 and the steps of the method 400 will be described below without repeated illustration.
- Step 401 The terminal device sends sixth information to the network device.
- the sixth information may include a correspondence between each channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by each channel.
- the sixth information includes the status of the terminal device in each state (for example, the first state and When switching between the second state), the switching correspondence between frequency bands.
- the sixth information includes the corresponding switching delay when the terminal device switches between various states (for example, the first state and the second state).
- the sixth information may include the switching correspondence between frequency bands when the terminal device switches from at least one first frequency band to at least one second frequency band.
- the terminal device can also report the switching delay required to switch from the default state or the fallback state to the new frequency band.
- the terminal device can also report to retain the original status. That is, it will not go from the state where the network device schedules transmission to the fallback state, but will only continue to reside in the state indicated by the base station.
- step 201 in the method 200 for understanding which will not be described again here.
- Step 402 The network device receives the sixth information sent by the terminal device, and determines the third information based on the sixth information.
- the third information includes field #1 (an example of the first field).
- Field #1 (for example, "switch from band/CC index") is used to indicate the frequency band and/or carrier after the terminal device switches.
- field #1 indicates that the frequency band switched by the terminal device is frequency band #10.
- field #1 indicates that the carrier after switching by the terminal device is carrier #17 (at this time, the frequency band after switching can be implicitly determined based on the carrier.
- field #1 may explicitly indicate the switched frequency band and implicitly associate with the switched carrier.
- field #1 indicates that the switched frequency band of the terminal device is frequency band #10, and the default association switched carrier is carrier #4 on frequency band #10, and so on.
- the third information also includes field #8 ("switch to band/CC") used to indicate the frequency band and/or carrier after switching (for example, field #8 can be used to indicate the frequency band after switching). and/or carrier ("switchto band/CC index”)).
- switch to band/CC used to indicate the frequency band and/or carrier after switching
- carrier for example, carrier can be used to indicate the frequency band after switching
- switchto band/CC index used to indicate the frequency band after switching
- switchto band/CC index carrier
- the specific implementation method can be understood with reference to the implementation of the above field #1 indicating the frequency band before the terminal device switches, and will not be described again here.
- the frequency band and/or carrier before switching may be determined by the terminal device based on preset rules.
- the preset rule is: start interrupting transmission from the frequency band and/or carrier where the terminal device is located according to the lowest index in the corresponding index; or, start interrupting transmission from the frequency band and/or carrier where the terminal device is located according to the highest index in the corresponding index. transmission.
- the preset rule is: sort the frequency band and/or carrier where the terminal equipment is located in ascending order according to the corresponding index, starting from the lowest, and select interrupt transmission in sequence; or, start from the frequency band and/or carrier where the terminal equipment is located, according to the corresponding index.
- the corresponding indexes are arranged in descending order, starting from the highest, and are selected for interrupt transmission.
- switch from band can indicate the lower/higher frequency band currently resident through 0/1, or indicate the band index.
- UL/SUL 1bit or padding bit can be reused.
- switch to band index/CC index can also indicate the lower/higher one in the remaining frequency bands among the multiple configured frequency bands except the currently resident frequency band through 0/1, or indicate band index/CC index, You can also reuse UL/SUL 1bit or stuffing bit.
- the corresponding relationship between switch from band/CC and switch to band/CC can be configured through RRC signaling, or it can be predefined, which can be understood by referring to Table 3 above.
- the third information may indicate the value of the switching correspondence index in the configuration.
- the carrier before switching (for example, switch from CC index) does not need to be explicitly indicated and can be implicitly known through the frequency band before switching (switch from band index). For example, it may be predetermined to switch from carrier #2 on frequency band #1, or to switch from carrier #1 on frequency band #2, and so on.
- the carrier after switching (switch to CC index), for example, can be through the carrier indicator domain (carrier indicator) scheduled across carriers. field,CIF) indication.
- the third information may also include field #2 (an example of the second field) used to indicate the time offset between the first information and its scheduled uplink data.
- field #2 an example of the second field
- the third information may also include field #4, which is used to indicate the position of the time offset.
- field #4 can be used to indicate the second table in which the time offset is located (that is, a second table can be redesigned for K2'), or the field #4 can be used to indicate that the time offset is in The index or position in the first table (at this time, bits can be extended in the existing K2 table (denoted as "first table") to indicate K2').
- the third information also includes at least one of scheduling information such as modulation and coding strategy offset (MCS offset), transmission power control (TPC), etc., indicating that the terminal equipment is on the frequency band/carrier after switching. transmission rate.
- scheduling information such as modulation and coding strategy offset (MCS offset), transmission power control (TPC), etc.
- MCS offset modulation and coding strategy offset
- TPC transmission power control
- the network device may refer to the MCS information and TPC information of the current frequency band/carrier to indicate the MCS information and TPC information of the target frequency band/carrier after switching, etc.
- the third information does not include any scheduling information (such as MCS offset and TPC). In this case, it needs to be combined with the scheduling DCI of the target frequency band/carrier. That is, the second information needs to be used in conjunction with the DCI scheduled to transmit uplink data on the target frequency band/carrier to complete the uplink data transmission of the target frequency band/carrier. It can also be understood that at this time, the second information is only used to indicate which frequency band/carrier transmission is interrupted by the switching and the frequency band/carrier after the switching, and is not used for scheduling instructions.
- Figure 5 shows fields that the third information may contain.
- the above third information may be dynamically scheduled downlink control information (for example, DCI 0_1), and may be wrapped by the existing physical uplink shared channel switching radio network temporary identifier (PUSCH-switch-RNTI).
- PUSCH-switch-RNTI physical uplink shared channel switching radio network temporary identifier
- the second table needs to be indicated in the third information. This is because using the existing RNTI scrambling method, the terminal device cannot determine that the delay contained in it is the delay in the second table through this descrambling method. Therefore, it is necessary to The second form is clearly indicated.
- the third information may also include multiple information blocks.
- Each information block may include field #1 (that is, indicating the frequency band and/or carrier before switching), and each information block may also include a field #1.
- #8 that is, indicating the frequency band and/or carrier after switching
- MCS offset modulation and coding strategy offset
- TPC transmission power control
- each information block does not include any scheduling information.
- the third information can be compressed downlink control information (compact DCI) (DCI 0_0), and can be scrambled by the new RNTI.
- Step 403 The network device sends third information to the terminal device.
- the network device can send dynamically scheduled DCI to the terminal device, or the network device can send compact DCI to the field device.
- Step 404 The terminal device receives the third information sent by the network device, and transmits uplink data on the switched frequency band according to the third information.
- the network device can send two third pieces of information at the same time, assuming that the terminal device currently uses frequency band #18 in channel #1 and uses frequency band #20 in channel #2. Assume that the first third information indicates that the frequency band before switching is frequency band #18 and that the frequency band after switching is frequency band #16. The second third information indicates that the frequency band before switching is frequency band #20 and that the frequency band after switching is frequency band #18. . Then the terminal device switches the frequency band in channel #1 to frequency band #16 according to the instruction of the third information, and switches the frequency band in channel #2 Switch the frequency band in to frequency band #18. That is, the terminal device may switch from frequency band #18 and frequency band #20 (for example, the fourth state) to frequency band #16 and frequency band #18 (for example, the fifth state).
- the terminal device may switch from frequency band #18 and frequency band #20 (for example, the fourth state) to frequency band #16 and frequency band #18 (for example, the fifth state).
- the third information also includes a location indication of K2', for example, the second table where K2' is located, and the terminal device can determine K2' based on the indication.
- the terminal device can determine which frequency band needs to be interrupted and specify the frequency band or carrier after switching through the third information, thereby avoiding the problem of reconfiguring the frequency band corresponding to the channel of the terminal device and reducing the delay.
- field #2 may instruct the terminal device to send data on the third symbol of the second time slot.
- frequency band #16 and frequency band #18 can be used to transmit uplink data starting from the third symbol of time slot #2.
- the terminal device can determine which time slot or which symbols to use the switched frequency band/carrier to send uplink data through the third information, so that after completing the status switch, the terminal device can transmit uplink data at a specific time according to the instructions of field #2. receive data on the slot. This can prevent the terminal device from receiving data before completing the switching between states, thereby improving the data transmission performance.
- Method 500 illustrates specific embodiment steps of the technical solution of this application from the perspective of interaction between terminal equipment and network equipment. The steps of method 500 are similar to the steps of method 200.
- the specific flow diagram can be Refer to FIG. 2 for understanding, and the steps of the method 500 will be described below without repeated illustration.
- Step 501 The terminal device sends sixth information to the network device.
- the sixth information may include a correspondence between each channel of the terminal device and a frequency band, and the frequency band is a frequency band supported by each channel.
- the sixth information includes the switching correspondence between frequency bands when the terminal device switches between various states (for example, the first state and the second state).
- the sixth information includes the corresponding switching delay when the terminal device switches between various states (for example, the first state and the second state).
- the sixth information may include the switching correspondence between frequency bands when the terminal device switches from at least one first frequency band to at least one second frequency band.
- the terminal device can also report the switching delay required to switch from the default state or the fallback state to the new frequency band.
- the terminal device can also report to retain the original status. That is, it will not go from the state where the network device schedules transmission to the fallback state, but will only continue to reside in the state indicated by the base station.
- step 201 in method 200 which will not be described again here.
- Step 502 The network device receives the sixth information sent by the terminal device, and determines the fourth information based on the sixth information.
- the fourth information includes field #5 (an example of the fifth field), and field #5 can be used to indicate the first frequency band after the terminal device switches.
- the fourth information also includes field #6 (an example of the sixth field).
- Field #6 is used to instruct the terminal device to receive fifth information.
- the fifth information is used to instruct the terminal device to switch.
- the fourth information may be dynamically scheduled DCI, and a new bit may be added to the existing DCI0_1 or DCI0_0.
- the new bit occupies 1 bit.
- Coordinatd scheduling can be understood as needing to wait for another DCI to be parsed before determining the corresponding channel transmission of the band/CC scheduled by the DCI, so that the terminal device can be based on Corresponding channel parameter configuration is performed based on the complete transmission combination status of the target time slot, thereby reducing reconfiguration problems caused by channel configuration errors. If the new bit is 0, it means that no other DCI for the same terminal device needs to be coordinated and scheduled in this time slot, so the corresponding channel parameters can be opened immediately for configuration.
- the terminal device may determine the frequency band/carrier before switching and the frequency band/carrier after switching according to the instructions of the fourth information and the fifth information.
- the fourth information can indicate that there are other DCIs to be detected in this time slot, so that after the terminal device obtains the first DCI, it needs to wait for the information of the second DCI, and determines whether it is based on the two DCIs.
- the transmission combination status of the target time slot that is scheduled for transmission so there is no need to configure parameters on non-corresponding channels to avoid parameter reconfiguration problems.
- the fourth information also includes field #7 (an example of the seventh field).
- Field #7 is used to indicate the lag time for field #5 to take effect, wherein the network device can
- the fifth information is received within the band, and the fifth information is used to indicate the second frequency band after the terminal device switches.
- a time period can be the number of symbols or the number of time slots. For example, a time is three symbols, or a time slot.
- lag time can also be understood as “time window”, “time period”, “switching duration”, or “time offset”.
- the “delay time” may be preconfigured by the base station through RRC signaling.
- the fourth information may be dynamically scheduled DCI, for example, a new bit may be added to the existing DCI0_1 or DCI0_0.
- the new bit is used to indicate the starting time when the DCI takes effect.
- the effective starting time means that the corresponding channel parameter configuration can only be performed from the effective starting time after receiving the DCI.
- the effective starting time may be indicated by indexes of multiple time windows.
- the time window can also be understood as the lag time or switching duration.
- the time window may be pre-configured by the base station through RRC signaling.
- the network device may send fifth information to the terminal device within the time window.
- the terminal device may determine the frequency band/carrier before switching and the frequency band/carrier after switching according to the instructions of the fourth information and the fifth information.
- the network device indicates through the fourth information the starting time to configure the channel parameters after parsing the DCI detected in this time slot, so that the terminal device does not need to rush to configure the channel parameters after obtaining the first DCI, and can
- the second DCI is obtained before the starting time, and the transmission combination status of the target time slot scheduled for transmission is comprehensively determined based on the two DCIs. Therefore, there is no need to configure parameters on non-corresponding channels to avoid parameter reconfiguration problems. .
- Step 503 The network device sends fourth information and fifth information to the terminal device.
- the network device may send dynamically scheduled fourth information and fifth information to the terminal device.
- Step 504 The terminal device receives the fourth information and the fifth information sent by the network device, and transmits uplink data on the switched frequency band according to the fourth information and the fifth information.
- the end device is currently using band #18 in channel #1 and band #20 in channel #2.
- the terminal equipment receives the fourth information on time slot #2.
- the terminal equipment determines that the switched frequency band is frequency band #18 based on the fourth information, and determines that it needs to receive another fifth information on time slot #2. It needs to receive the fourth information based on the fourth information. Together with the fifth information, the frequency band after switching is determined.
- the terminal device continues to receive the fifth information on time slot #2, and the fifth information indicates that the frequency band after the terminal device switches is frequency band #16. Assume that the end device supports band #18 and band #16 on channel #1 and band #20 and band #18 on channel #2.
- the terminal device can determine based on the fourth information and the fifth information that channel #1 needs to be Switch band #18 on channel #2 to band #16 (e.g., fourth state), and switch band #20 on channel #2 to band #18 (e.g., fifth state).
- the terminal equipment receives the fourth information on the first symbol of time slot #2.
- the terminal equipment determines that the frequency band after switching is frequency band #18 based on the fourth information, and determines that the configuration needs to start on the tenth symbol of time slot #2. Parameters on channel #1.
- the terminal device receives the fifth information between the second symbol and the ninth symbol of time slot #2, and the terminal device determines that the switched frequency band is frequency band #16 based on the fifth information.
- the terminal device can determine based on the fourth information and the fifth information that it is necessary to switch frequency band #18 on channel #1 to frequency band #16 (for example, the fourth state), and to switch frequency band #20 on channel #2 to frequency band #18 (e.g., fifth state).
- the terminal device can determine which frequency band needs to be interrupted and specify the frequency band or carrier after switching through the fourth information and the fifth information. This avoids the problem of reconfiguring the frequency band corresponding to the channel of the terminal device and reduces the time delay. Improved data transfer.
- the fourth information or the fifth information also includes field #2.
- the terminal device is currently receiving the fourth information on time slot #2, and the fourth information includes field #2.
- Field #2 may indicate that the terminal device sends data on the third symbol of the third time slot, that is, the terminal device may send data on the third symbol of the third time slot.
- the third symbol of slot #3 begins to use frequency band #16 and frequency band #18 to transmit data.
- the terminal device is currently receiving the fifth information on time slot #2, and the fifth information includes field #2.
- Field #2 may instruct the terminal device to send data on the third symbol of the third time slot, that is, it may be from The third symbol of time slot #3 starts transmitting data using frequency band #16 and frequency band #18.
- the terminal device can determine which time slot or which symbols to use the switched frequency band/carrier to send uplink data through the fourth information or the fifth information, so that after completing the status switch, the terminal device follows the instructions in field #2 Receive data on a specific time slot. This can prevent the terminal device from receiving data before completing the switching between states, thereby improving the data transmission performance.
- pre-definition in this application can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-firing.
- each node such as a terminal device and a network device, includes a corresponding hardware structure and/or software module to perform each function.
- each node such as a terminal device and a network device
- each node includes a corresponding hardware structure and/or software module to perform each function.
- the present application can be implemented in the form of hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving the hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each specific application, but such implementations should not be considered beyond the scope of this application.
- Embodiments of the present application can divide the terminal device and the network device into functional modules according to the above method examples.
- each functional module can be divided corresponding to each function, or two or more functions can be integrated into one processing module.
- the above integrated modules can be implemented in the form of hardware or software function modules. It should be noted that the division of modules in the embodiment of the present application is schematic and is only a logical function division. In actual implementation, there may be other division methods. The following is an example of dividing each functional module according to each function.
- FIG. 6 is a schematic block diagram of a communication device 100 provided by an embodiment of the present application. As shown in the figure, the device 100 may include: a transceiver unit 110 and a processing unit 120.
- the device 100 may be the terminal device in the above method embodiment, or may be a chip used to implement the functions of the terminal device in the above method embodiment. It should be understood that the device 100 may correspond to the terminal device in the methods 200 to 500 according to the embodiment of the present application, and the device 100 may perform steps corresponding to the terminal device in the methods 200 to 500 of the embodiment of the present application.
- the transceiver unit is configured to receive first information
- the processing unit is configured to control the transceiver unit to transmit uplink data on the switched frequency band and/or carrier according to the first information.
- the transceiver unit is used to send sixth information.
- the transceiver unit is configured to receive second information
- the processing unit is configured to control the transceiver unit to transmit uplink data on the switched frequency band and/or carrier according to the second information.
- the transceiver unit is configured to receive second information
- the processing unit is configured to control the transceiver unit to transmit uplink data on the switched frequency band and/or carrier according to the second information.
- the transceiver unit is configured to receive third information
- the processing unit is configured to control the transceiver unit to transmit uplink data on the switched frequency band and/or carrier according to the third information.
- the transceiver unit is configured to receive fourth information
- the processing unit is configured to control the transceiver unit to receive fifth information according to the fourth information
- the processing unit is configured to control the transceiver unit to receive fifth information according to the fourth information and
- the fifth information transmits uplink data on the switched frequency band and/or carrier.
- the device 100 may be the network device in the above method embodiment, or may be a chip used to implement the functions of the terminal device in the above method embodiment. It should be understood that the device 100 may correspond to the network device in the methods 200 to 500 according to the embodiment of the present application, and the device 100 may perform steps corresponding to the network devices in the method 200 to 500 of the embodiment of the present application.
- the processing unit is used to determine the first information
- the transceiver unit is used to send the first information
- the processing unit is used to determine the second information
- the transceiver unit is used to send the second information
- the processing unit is used to determine the third information
- the transceiver unit is used to send the third information
- the processing unit is configured to determine the fourth information and the fifth information
- the transceiving unit is configured to send the fourth information and the fifth information
- the device 100 here is embodied in the form of a functional unit.
- the term "unit” as used herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (such as a shared processor, a proprietary processor, or a group of processors) used to execute one or more software or firmware programs. processor, etc.) and memory, merged logic circuitry, and/or other suitable components to support the described functionality.
- ASIC application specific integrated circuit
- the apparatus 100 can be specifically a terminal device or a network device in the above embodiments, and can be used to execute various processes corresponding to the terminal device in the above method embodiments and/or To avoid repetition, the steps will not be repeated here.
- the apparatus 100 of each of the above solutions has the function of realizing the corresponding steps performed by the terminal device or the network device in the above method.
- the functions described can be implemented by hardware, or can be implemented by hardware executing corresponding software.
- the hardware or software includes one or more modules corresponding to the above functions; for example, the transceiver unit can be replaced by a transceiver (for example, the sending unit in the transceiver unit can be replaced by a transmitter, and the receiving unit in the transceiver unit can be replaced by a receiving unit. (machine replacement), other units, such as processing units, etc., can be replaced by processors to respectively perform the sending and receiving operations and related processing operations in each method embodiment.
- transceiver unit 110 may also be a transceiver circuit (for example, it may include a receiving circuit and a transmitting circuit), and the processing unit may be a processing circuit.
- the device in Figure 6 may be the terminal device or network device in the aforementioned embodiment, or it may be a chip or a chip system, such as a system on chip (SoC).
- the transceiver unit may be an input-output circuit or a communication interface; the processing unit may be a processor, microprocessor, or integrated circuit integrated on the chip. No limitation is made here.
- Figure 7 is a schematic block diagram of a communication device 200 provided by an embodiment of the present application.
- the device 200 includes: at least one processor 220.
- the processor 220 is coupled to the memory and is used to execute instructions stored in the memory to send signals and/or receive signals.
- the device 200 also includes a memory 230 for storing instructions.
- the device 200 also includes a transceiver 210, and the processor 220 controls the transceiver 210 to send signals and/or receive signals.
- processor 220 and the memory 230 can be combined into one processing device, and the processor 220 is used to execute the program code stored in the memory 230 to implement the above functions.
- the memory 230 may also be integrated in the processor 220 or independent of the processor 220 .
- the transceiver 210 may include a transceiver (or receiver) and a transmitter (or transmitter).
- the transceiver may further include an antenna, and the number of antennas may be one or more.
- the transceiver 210 may be a communication interface or an interface circuit.
- the transceiver 210 in the device 200 may correspond to the transceiver unit 110 in the device 100
- the processor 220 in the device 200 may correspond to the processing unit 120 in the device 200 .
- the device 200 is used to implement the operations performed by the terminal device in each of the above method embodiments.
- the processor 220 is configured to execute computer programs or instructions stored in the memory 230 to implement related operations of the radio access network equipment in each of the above method embodiments.
- the method is executed by the terminal device in any one of the embodiments shown in methods 200 to 500.
- the apparatus 200 is used to implement the operations performed by the network device in each of the above method embodiments.
- the processor 220 is used to execute computer programs or instructions stored in the memory 230 to implement the above methods.
- the method is performed by the network device in any one of the embodiments shown in methods 200 to 500.
- each step of the above method can be completed by instructions in the form of hardware integrated logic circuits or software in the processor.
- the steps of the methods disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware processor for execution, or can be executed by a combination of hardware and software modules in the processor.
- the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
- the processor in the embodiment of the present application may be an integrated circuit chip with signal processing capabilities.
- each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions in the form of software.
- the above-mentioned processor can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or Other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
- DSP digital signal processor
- ASIC application-specific integrated circuit
- FPGA field-programmable gate array
- a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
- the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
- non-volatile memory can be read-only memory (ROM), programmable ROM (PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically removable memory. Erase electrically programmable read-only memory (EPROM, EEPROM) or flash memory. Volatile memory can be random access memory (RAM), which is used as an external cache.
- RAM random access memory
- RAM static random access memory
- DRAM dynamic random access memory
- SDRAM synchronous dynamic random access memory
- double data rate SDRAM double data rate SDRAM
- DDR SDRAM double data rate SDRAM
- ESDRAM enhanced synchronous dynamic random access memory
- SLDRAM direct memory bus random access memory
- direct ram-bus RAM direct ram-bus RAM
- the present application also provides a computer program product.
- the computer program product stores computer program code.
- the computer program code When the computer program code is run on a computer, the computer is caused to execute methods 200 to 500.
- the method is executed by a terminal device or a network device in any of the embodiments.
- the present application also provides a computer-readable medium.
- the computer-readable medium stores program code.
- the program code When the program code is run on a computer, it causes the computer to execute the steps in the above embodiment.
- the present application also provides a communication system, which includes a terminal device and a network device.
- the terminal device is used to perform the steps corresponding to the terminal device in the above methods 200 to 500
- the network device is used to perform the steps corresponding to the network device in the above methods 200 to 500.
- the computer program product includes one or more computer instructions.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- the computer instructions may be stored in or transmitted from one computer-readable storage medium to another, e.g., the computer instructions may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
- the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
- the usable media may be magnetic media (e.g., floppy disks, hard disks, tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
- magnetic media e.g., floppy disks, hard disks, tapes
- optical media e.g., high-density digital video discs (DVD)
- DVD digital video discs
- semiconductor media e.g., solid state disks, SSD
- transceiver performs the steps of receiving or sending in the method embodiment. Other steps except sending and receiving may be performed by the processing unit (processing unit). device) execution.
- processing unit processing unit
- device execution.
- processors There can be one or more processors.
- a component may be, but is not limited to, a process, a processor, an object, an executable file, a thread of execution, a program and/or a computer running on a processor.
- applications running on the computing device and the computing device may be components.
- One or more components can reside in a process and/or thread of execution and a component can be localized on one computer and/or distributed between 2 or more computers. Additionally, these components can execute from various computer-readable media having various data structures stored thereon.
- a component may, for example, be based on a signal having one or more data packets (eg, data from two components interacting with another component, a local system, a distributed system, and/or a network, such as the Internet, which interacts with other systems via signals) Communicate through local and/or remote processes.
- data packets eg, data from two components interacting with another component, a local system, a distributed system, and/or a network, such as the Internet, which interacts with other systems via signals
- the disclosed systems, devices and methods can be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
- the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
- the computer software product is stored in a storage medium and includes a number of instructions to A computer device (which may be a personal computer, a server, or a network device, etc.) is caused to execute all or part of the steps of the methods described in various embodiments of this application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk and other media that can store program code. .
- an embodiment means that a particular feature, structure, or characteristic associated with the embodiment is included in at least one embodiment of the present application. Therefore, various embodiments are not necessarily referred to the same embodiment throughout this specification. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments.
- first and second mentioned in the embodiments of this application are used to distinguish multiple objects, and are not used to limit the size, content, order, timing, priority or otherwise of multiple objects. importance, etc.
- first PDSCH and the second PDSCH can be the same physical channel or different physical channels, and this name does not indicate the information size, content, priority or importance of the two physical channels. The degree is different.
- At least one refers to one or more, and “plurality” refers to two or more.
- At least one item (item) or similar expressions thereof refers to one item (item) or multiple items (items), that is, any combination of these items (items), including any combination of single item (items) or plural items (items).
- at least one of a, b, or c means: a, b, c, a and b, a and c, b and c, or a and b and c.
- a corresponds to B means that B is associated with A, and B can be determined based on A.
- determining B based on A does not mean determining B only based on A.
- B can also be determined based on A and/or other information.
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Abstract
Description
Claims (29)
- 一种通信方法,其特征在于,包括:终端设备接收来自网络设备的第一信息,所述第一信息包括N个信息块,所述N个信息块中的第j个信息块包括第一字段,所述第一字段用于指示所述终端设备切换后的频段和/或载波,所述第j个信息块与所述终端设备切换前的频段和/或载波相关联,所述N为正整数;所述终端设备根据所述第一信息,在所述切换后的频段和/或载波上传输上行数据。
- 根据权利要求1所述的方法,其特征在于,所述第j个信息块还包括第二字段,所述第二字段用于指示所述第一信息与其调度的上行数据之间的时间偏移量,所述上行数据在所述切换后的频段和/或载波上传输。
- 根据权利要求1或2所述的方法,其特征在于,所述方法还包括:所述终端设备向所述网络设备发送第六信息,所述第六信息用于所述网络设备确定所述第一信息,其中,所述第六信息包括所述终端设备的至少一个通道与频段的对应关系,所述频段为所述至少一个通道支持的频段;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时,频段之间的切换对应关系,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时的切换时延,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备从至少一个第一频段切换到至少一个第二频段时,频段之间的切换对应关系。
- 一种通信方法,其特征在于,包括:终端设备接收来自网络设备的第二信息,所述第二信息包括M个信息块,所述M个信息块中的第k个信息块与所述终端设备的频段对相关联,其中,所述频段对包括所述终端设备切换前的频段以及所述终端设备切换后的频段,所述M为正整数;所述终端设备根据所述第二信息,在所述切换后的频段上传输上行数据。
- 根据权利要求4所述的方法,其特征在于,所述第k个信息块还包括第三字段,所述第三字段用于指示所述终端设备切换后的载波。
- 根据权利要求4或5所述的方法,其特征在于,所述第k个信息块包括第二字段,所述第二字段用于指示所述第二信息与其调度的上行数据之间的时间偏移量,所述上行数据在所述切换后的频段或载波上传输。
- 根据权利要求1至3中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备向所述网络设备发送第六信息,所述第六信息用于所述网络设备确定所述第二信息,其中,所述第六信息包括所述终端设备的至少一个通道与频段的对应关系,所述频段为所述至少一个通道支持的频段;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时,频段之间的切换对应关系,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时的切换时延,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备从至少一个第一频段切换到至少一个第二频段时,频段之间的切换对应关系。
- 一种通信方法,其特征在于,包括:终端设备接收来自网络设备的第三信息,所述第三信息包括第一字段,所述第一字段用于指示所述终端设备切换后的频段和/或载波,其中,切换前的频段和/或载波为所述终端设备根据预设的规则确定的,或者,切换前的频段和/或载波为所述网络设备指示的;所述终端设备根据所述第三信息,在所述切换后的频段和/或载波上传输上行数据。
- 根据权利要求8所述的方法,其特征在于,所述第三信息还包括第二字段,所述第二字段用于指示所述第三信息与其调度的上行数据之间的时间偏移量,所述数据用于在所述切换后的频段和/或载波上进行传输。
- 根据权利要求8或9所述的方法,其特征在于,所述第三信息还包括第四字段,所述第四字段用于指示所述时间偏移量所在的第二表格,或者,所述第四字段用于指示所述时间偏移量在第一表格中的索引或位置。
- 根据权利要求8至10中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备向所述网络设备发送第六信息,所述第六信息用于所述网络设备确定所述第三信息,其中,所述第六信息包括所述终端设备的至少一个通道与频段的对应关系,所述频段为所述至少一个通道支持的频段;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时,频段之间的切换对应关系,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时的切换时延,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备从至少一个第一频段切换到至少一个第二频段时,频段之间的切换对应关系。
- 一种通信方法,其特征在于,包括:终端设备接收来自网络设备的第四信息,所述第四信息包括第五字段,所述第五字段用于指示所述终端设备切换后的第一频段,所述第四信息还包括第六字段,所述第六字段用于指示所述终端设备接收第五信息,所述第五信息用于指示所述终端设备切换后的第二频段;所述终端设备接收第五信息,所述第五信息用于指示所述终端设备切换后的第二频段;所述终端设备根据所述第四信息和所述第五信息,在切换后的频段上传输上行数据;或者,所述第四信息还包括第七字段,所述第七字段用于指示所述第五字段生效的滞后时间,所述终端设备根据所述第四信息,在切换后的频段上传输上行数据。
- 根据权利要求12所述的方法,其特征在于,所述方法还包括:所述终端设备向所述网络设备发送第六信息,所述第六信息用于所述网络设备确定所述第四信息,其中,所述第六信息包括所述终端设备的至少一个通道与频段的对应关系,所述频段为所述至少一个通道支持的频段;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时,频段之间的切换对应关系,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时的切换时延,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备从至少一个第一频段切换到至少一个第二频段时,频段之间的切换对应关系。
- 一种通信方法,其特征在于,包括:网络设备确定第一信息,所述第一信息包括N个信息块,所述N个信息块中的第j个信息块包括第一字段,所述第一字段用于指示终端设备切换后的频段和/或载波,所述第j个信息块与所述终端设备切换前的频段和/或载波相关联,所述N为正整数;所述网络设备向所述终端设备发送第一信息。
- 根据权利要求14所述的方法,其特征在于,所述第j个信息块还包括第二字段,所述第二字段用于指示所述第一信息与其调度的上行数据之间的时间偏移量,所述上行数据在所述切换后的频段和/或载波上传输。
- 根据权利要求14或15所述的方法,其特征在于,所述方法还包括:所述网络设备接收来自所述终端设备的第六信息,所述第六信息用于所述网络设备确定所述第一信息,其中,所述第六信息包括所述终端设备的至少一个通道与频段的对应关系,所述频段为所述至少一个通道支持的频段;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时,频段之间的切换对应关系,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时的切换 时延,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备从至少一个第一频段切换到至少一个第二频段时,频段之间的切换对应关系。
- 一种通信方法,其特征在于,包括:网络设备确定第二信息,所述第二信息包括M个信息块,所述M个信息块中的第k个信息块与终端设备的频段对相关联,其中,所述频段对包括所述终端设备切换前的频段以及所述终端设备切换后的频段,所述M为正整数;所述网络设备向所述终端设备发送所述第二信息。
- 根据权利要求17所述的方法,其特征在于,所述第k个信息块还包括第三字段,所述第三字段用于指示所述终端设备切换后的载波。
- 根据权利要求17或18所述的方法,其特征在于,所述第k个信息块包括第二字段,所述第二字段用于指示所述第二信息与其调度的上行数据之间的时间偏移量,所述上行数据在所述切换后的频段或载波上传输。
- 根据权利要求17至19中任一项所述的方法,其特征在于,所述方法还包括:所述网络设备接收来自所述终端设备的第六信息,所述第六信息用于所述网络设备确定所述第二信息,其中,所述第六信息包括所述终端设备的至少一个通道与频段的对应关系,所述频段为所述至少一个通道支持的频段;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时,频段之间的切换对应关系,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时的切换时延,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备从至少一个第一频段切换到至少一个第二频段时,频段之间的切换对应关系。
- 一种通信方法,其特征在于,包括:网络设备确定的第三信息,所述第三信息包括第一字段,所述第一字段用于指示终端设备切换后的频段和/或载波,其中,切换前的频段和/或载波为所述终端设备根据预设的规则确定的,或者,切换前的频段和/或载波为网络设备指示的;所述网络设备向所述终端设备发送所述第三信息。
- 根据权利要求21所述的方法,其特征在于,所述第三信息还包括第二字段,所述第二字段用于指示所述第三信息与其调度的上行数据之间的时间偏移量,所述数据用于在所述切换后的频段和/或载波上进行传输。
- 根据权利要求21或22所述的方法,其特征在于,所述第三信息还包括第四字段,所述第四字段用于指示所述时间偏移量所在的第二表格,或者,所述第四字段用于指示所述时间偏移量在第一表格中的索引或位置。
- 根据权利要求21至23中任一项所述的方法,其特征在于,所述方法还包括:所述网络设备接收来自所述终端设备的第六信息,所述第六信息用于所述网络设备确定所述第三信息,其中,所述第六信息包括所述终端设备的至少一个通道与频段的对应关系,所述频段为所述至少一个通道支持的频段;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时,频段之间的切换对应关系,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时的切换时延,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备从至少一个第一频段切换到至少一个第二频段时,频段之间的切换对应关系。
- 一种通信方法,其特征在于,包括:网络设备确定第四信息,所述第四信息包括第五字段,所述第五字段用于指示所述终端设备切换后的第一频段;所述第四信息还包括第六字段,所述第六字段用于指示终端设备接收第五信息,所述第五信息用于指示所述终端设备切换后的第二频段;或者,所述第四信息还包括第七字段,所述第七字段用于指示所述第五字段生效的滞后时间,所述网络设备向所述终端设备发送所述第四信息和所述第五信息。
- 根据权利要求25所述的方法,其特征在于,所述方法还包括:所述网络设备接收来自所述终端设备的第六信息,所述第六信息用于所述网络设备确定所述第四信息,其中,所述第六信息包括所述终端设备的至少一个通道与频段的对应关系,所述频段为所述至少一个通道支持的频段;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时,频段之间的切换对应关系,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备在第一状态与第二状态之间进行切换时的切换时延,所述第一状态为所述终端设备在第一频段组上的频段支持第一数量的发送射频链,所述第二状态为所述终端设备在第二频段组上的频段支持第二数量的发送射频链;和/或,所述第六信息至少包括所述终端设备从至少一个第一频段切换到至少一个第二频段时,频段之间的切换对应关系。
- 一种通信装置,其特征在于,所述通信装置包括处理器和存储器,所述存储器用于存储计算机程序或指令,所述处理器用于执行所述存储器中的所述计算机程序或指令,使得权利要求1至3,或者权利要求4至7,或者权利要求8至11,或者权利要求12至13,或者权利要求14至16,或者权利要求17至20,或者权利要求21至24,或者权利 要求25至26中任一项所述的方法被执行。
- 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上存储有计算机程序,当所述计算机程序在计算机上运行时,使得所述计算机执行如权利要求1至3,或者权利要求4至7,或者权利要求8至11,或者权利要求12至13,或者权利要求14至16,或者权利要求17至20,或者权利要求21至24,或者权利要求25至26中任意一项所述的方法。
- 一种计算机程序产品,其特征在于,所述计算机程序产品包括用于执行如权利要求1至3,或者权利要求4至7,或者权利要求8至11,或者权利要求12至13,或者权利要求14至16,或者权利要求17至20,或者权利要求21至24,或者权利要求25至26中任意一项所述的方法。
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