WO2022194056A1 - Procédé de traitement de saut de fréquence, dispositif, et terminal - Google Patents
Procédé de traitement de saut de fréquence, dispositif, et terminal Download PDFInfo
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- WO2022194056A1 WO2022194056A1 PCT/CN2022/080418 CN2022080418W WO2022194056A1 WO 2022194056 A1 WO2022194056 A1 WO 2022194056A1 CN 2022080418 W CN2022080418 W CN 2022080418W WO 2022194056 A1 WO2022194056 A1 WO 2022194056A1
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- 238000003672 processing method Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 382
- 238000000034 method Methods 0.000 claims abstract description 51
- 238000004891 communication Methods 0.000 claims abstract description 22
- 235000008694 Humulus lupulus Nutrition 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 24
- 230000006870 function Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000008054 signal transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
Definitions
- the present invention relates to the field of communication technologies, and in particular, to a frequency hopping processing method, device and terminal.
- a Reduced Capability device/User Equipment (RedCap device/UE) device can improve frequency resource utilization and obtain frequency diversity gain. It is required that the RedCap device can perform uplink and downlink data transmission, measurement, etc. in a wider bandwidth, that is, a bandwidth that exceeds its maximum bandwidth capability.
- the radio frequency retuning (RF retuning) time needs to be defined for the RedCap device in a wider bandwidth, that is, the radio frequency center frequency of the RedCap device is retuned so that it does not exceed its RF center frequency within a given moment.
- the performance loss caused by the radio frequency readjustment time may even be greater than the gain obtained by frequency hopping, and it is difficult to guarantee the frequency hopping gain.
- the embodiments of the present application provide a frequency hopping processing method, device, and terminal, which can solve the problem of how to ensure the frequency hopping gain of the terminal with reduced capability when repeated transmission is performed.
- a frequency hopping processing method including:
- the terminal For the first repeated transmission, in the case where frequency hopping is configured, if the first condition is met, the terminal performs the first operation;
- the first repeated transmission includes at least one of physical uplink shared channel PUSCH repeated transmission and physical uplink control channel PUCCH repeated transmission;
- the configured frequency hopping includes frequency hopping between time units and frequency hopping between repeated transmissions At least one item, the time unit includes X1 time slots or X2 sub-slots, X1 ⁇ 1, X2 ⁇ 1, and the frequency hopping between repeated transmissions refers to frequency hopping every X3 repeated transmissions, X3 ⁇ 1;
- the first condition includes at least one of the following:
- At least one symbol in the resources of the second hop cannot be used for the PUCCH and/or PUCCH repeated transmission
- the transmission length of the second hop is less than the first value, and the first value is determined according to the waveform of the OFDM or the format of the PUCCH;
- the first operation includes at least one of the following:
- the resources of the second hop overlap with other resources, and the other resources are resources other than the resources of the second hop among the resources configured by the network.
- a frequency hopping processing device including:
- a first processing module configured to perform the first operation if the first condition is satisfied when frequency hopping is configured for the first repeated transmission
- the first repeated transmission includes at least one of physical uplink shared channel PUSCH repeated transmission and physical uplink control channel PUCCH repeated transmission;
- the configured frequency hopping includes frequency hopping between time units and frequency hopping between repeated transmissions At least one item, the time unit includes X1 time slots or X2 sub-slots, X1 ⁇ 1, X2 ⁇ 1, and the frequency hopping between repeated transmissions refers to frequency hopping every X3 repeated transmissions, X3 ⁇ 1;
- the first condition includes at least one of the following:
- At least one symbol in the resources of the second hop cannot be used for the PUCCH and/or PUCCH repeated transmission
- the transmission length of the second hop is less than the first value, and the first value is determined according to the waveform of OFDM or the format of PUCCH;
- the first operation includes at least one of the following:
- the resources of the second hop overlap with other resources, and the other resources are resources other than the resources of the second hop among the resources configured by the network.
- a terminal in a third aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
- a terminal including a processor and a communication interface, wherein the processor is configured to perform a first operation for the first repeated transmission under the condition that frequency hopping is configured and if a first condition is satisfied ;
- the first repeated transmission includes at least one of physical uplink shared channel PUSCH repeated transmission and physical uplink control channel PUCCH repeated transmission;
- the configured frequency hopping includes frequency hopping between time units and frequency hopping between repeated transmissions At least one item, the time unit includes X1 time slots or X2 sub-slots, X1 ⁇ 1, X2 ⁇ 1, and the frequency hopping between repeated transmissions refers to frequency hopping every X3 repeated transmissions, X3 ⁇ 1;
- the first condition includes at least one of the following:
- At least one symbol in the resources of the second hop cannot be used for the PUCCH and/or PUCCH repeated transmission
- the transmission length of the second hop is less than the first value, and the first value is determined according to the waveform of the OFDM or the format of the PUCCH;
- the first operation includes at least one of the following:
- the resources of the second hop overlap with other resources, and the other resources are resources other than the resources of the second hop among the resources configured by the network.
- a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
- a chip in a sixth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect .
- a computer program/program product is provided, the computer program/program product is stored in a non-volatile storage medium, the program/program product is executed by at least one processor to implement the first aspect The steps of the frequency hopping processing method.
- an embodiment of the present application provides a communication device configured to perform the steps of the method described in the first aspect.
- the first operation is performed according to the above first condition, such as abandoning the transmission of the first hop and the second hop, Give up the transmission of the second hop, give up the frequency hopping or do not expect the resources of the second hop to overlap with other resources, so as to reduce the influence of the radio frequency retuning time on the effective information of the frequency hopping, and thus help to ensure the frequency hopping gain.
- FIG. 1 shows a structural diagram of a communication system to which an embodiment of the present application can be applied
- FIG. 2 shows a schematic flowchart of a frequency hopping processing method according to an embodiment of the present application
- FIG. 3 shows one of schematic diagrams of frequency hopping processing in an embodiment of the present application
- FIG. 4 shows the second schematic diagram of frequency hopping processing in the embodiment of the present application
- FIG. 5 shows the third schematic diagram of frequency hopping processing in the embodiment of the present application
- FIG. 6 shows the fourth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 7 shows the fifth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 8 shows the sixth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 9 shows the seventh schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 10 shows the eighth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 11 shows the ninth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 12 shows the tenth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 13 shows the eleventh schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 14 shows the twelfth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 15 shows the thirteenth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 16 shows the fourteenth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 17 shows the fifteenth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 18 shows the sixteenth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 19 shows the seventeenth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 20 shows the eighteenth schematic diagram of frequency hopping processing in the embodiment of the present application.
- FIG. 21 shows a schematic block diagram of a frequency hopping processing apparatus according to an embodiment of the present application.
- FIG. 22 shows a structural block diagram of a communication device according to an embodiment of the present application.
- FIG. 23 shows a structural block diagram of a terminal according to an embodiment of the present application.
- first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
- the first object may be one or multiple.
- “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the contextual objects are in an "or” relationship.
- LTE Long Term Evolution
- LTE-Advanced LTE-Advanced
- LTE-A Long Term Evolution-Advanced
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-carrier Frequency-Division Multiple Access
- system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
- NR New Radio
- the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but the techniques can also be applied to applications other than NR system applications, such as 6th generation (6th generation ) Generation, 6G) communication system.
- 6th generation 6th generation
- 6G 6th generation
- FIG. 1 shows a structural diagram of a wireless communication system to which an embodiment of the present application can be applied.
- the wireless communication system includes a terminal 11 and a network-side device 12 .
- the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), PDA, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet Device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device ( VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, headphones, glasses, etc.
- the network side device 12 may be a base station or a core network device, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic Service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Networks , WLAN) access point, wireless fidelity (Wireless Fidelity, WiFi) node, transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station Not limited to specific technical terms, it should be noted that, in the embodiments of this application, only the base station in the NR system is used as an example, but the
- the frequency hopping processing method includes:
- Step 201 For the first repeated transmission, in the case where frequency hopping is configured, if the first condition is met, the terminal performs the first operation;
- the first repeated transmission includes at least one of physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) repeated transmission and physical uplink control channel (Physical Uplink Control Channel, PUCCH) repeated transmission; the configured frequency hopping Including at least one of frequency hopping between time units (inter-slot Frequency Hopping, namely inter-slot FH) and frequency hopping between repeated transmissions (inter-repetition FH); the time unit includes X1 time slots or X2 sub-times slot, X1 ⁇ 1, X2 ⁇ 1, the frequency hopping between repeated transmissions refers to frequency hopping every X3 repeated transmissions, X3 ⁇ 1; the above-mentioned PUSCH repeated transmission types include PUSCH repeated transmission type A (PUSCH repetition Type A) and PUSCH repetition transmission type B (PUSCH repetition Type B), PUCCH repetition transmission type includes slot-based PUCCH repetition transmission (Slot-based PUCCH repetition) and sub-slot based PUCCH repetition transmission (Sub-slot based PUCCH
- the first condition includes at least one of the following:
- At least one symbol in the resources of the second hop cannot be used for the PUCCH and/or PUCCH repeated transmission, for example, an invalid symbol for uplink transmission defined in protocol 38.213;
- the transmission length of the second hop is less than a first value, and the first value is determined according to an orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) waveform or a PUCCH format;
- OFDM Orthogonal Frequency Division Multiplexing
- the first operation includes at least one of the following:
- the resources of the second hop are not expected to overlap with other resources, and the other resources are resources other than the resources of the second hop among the resources configured by the network, that is, the network ensures that the resources of the second hop do not conflict with other resources.
- the above-mentioned first numerical value is equal to 2;
- the first value is equal to 1;
- the PUCCH format is 1, 3 or 4, the first value is equal to 2, and if the PUCCH format is 0 or 2, the first value is equal to 1.
- the above-mentioned terminal is a reduced-capability terminal (also referred to as a reduced-capability terminal).
- the first operation is performed according to the above-mentioned first condition, such as abandoning the first hop and the second hop.
- the radio frequency readjustment time required for uplink transmission in different bandwidth transmissions is defined
- the length of is N regap symbols, and N regap ⁇ 1.
- the above RF retuning time is related to at least one of the following:
- Subcarrier spacing used for uplink transmission is a subcarrier spacing used for uplink transmission
- the transmission content corresponding to the uplink transmission is the transmission content corresponding to the uplink transmission.
- the terminal executes the first Before an operation, it also includes:
- the terminal performs the second operation
- the second operation includes at least one of the following:
- the time interval between the first hop and the second hop allocated by the network is less than the RF retuning time, that is, the network guarantees the time interval between the allocated (or scheduled) configuration resources of the first hop and the configuration resources of the second hop Greater than the radio frequency readjustment time, that is, the radio frequency readjustment time does not occupy the transmission symbols of PUSCH or PUCCH;
- the time interval between the first hop and the second hop allocated by the network is smaller than the radio frequency readjustment time, determining the position occupied by the radio frequency readjustment time in the first hop and/or the second hop;
- the first operation is different from the second operation.
- the PUSCH or PUCCH on each of the time units can perform joint channel estimation.
- the PUSCH or PUCCH on every X1 timeslots (or X2 subslots) can perform joint channel estimation, and every X1 timeslots (or X2 subslots) is called a timeslot band ( Slot Bundle), the time slot band is the above-mentioned time unit.
- (S) mod2 1, indicating that uplink data, control information or signals transmitted on odd-numbered time slots have the same frequency domain position, and the starting position is configured or indicated by the network, which is called the second hop (second hop).
- the determining the position occupied by the radio frequency readjustment time in the first hop and/or the second hop includes:
- M1 floor/ceil(N regap /2)
- M2 N regap ⁇ M1
- N regap represents the number of symbols corresponding to the radio frequency readjustment time.
- the above-mentioned time unit includes two time slots, that is, every two time slots, frequency hopping is performed once, and each small rectangle in FIG. 6 , FIG. 7 and FIG. 8 represents two OFDM symbols.
- the first demodulation reference signal (Demodulation Reference Signal, DMRS) of the second hop is The position is the Nth regap symbol.
- the transmission length of the second hop after removing the radio frequency readjustment time is less than or equal to the first symbol interval, the transmission of additional DMRS (additional DMRS) is abandoned in the second hop;
- the first symbol interval is the symbol interval between the configured first DMRS and the additional DMRS.
- the position of the first DMRS of the second hop is the M2th. symbol.
- the transmission length after removing M2 symbols in the second hop is less than or equal to the first symbol interval, then the transmission of additional DMRSs is abandoned in the second hop;
- the first symbol interval is the symbol interval between the configured first DMRS and the additional DMRS.
- At least one symbol corresponding to the radio frequency readjustment time is included in the second hop, and the symbol corresponding to the radio frequency readjustment time included in the second hop is the same as at least one DMRS in the second hop. If no resource overlap occurs, the position of the DMRS on the first symbol in the second hop remains unchanged, and the first symbol is the symbol in the second hop excluding the symbol corresponding to the radio frequency readjustment time.
- the first repeated transmission is PUSCH repeated transmission type B or PUCCH repeated transmission (similar to PUCCH transmission of PUSCH repeated transmission type B), and the configured frequency hopping is a time unit
- the method before the terminal performs the first operation, the method further includes:
- the terminal performs the third operation
- the third operation includes at least one of the following:
- the first item determine that the symbol corresponding to the radio frequency readjustment time is an invalid symbol, and divide the nominal PUSCH repeated transmission or the nominal PUCCH repeated transmission into multiple actual repeated transmissions according to the invalid symbol;
- the second item determine that the symbol corresponding to the radio frequency readjustment time is not an invalid symbol, and perform rate matching or puncturing at the symbol corresponding to the radio frequency readjustment time during actual transmission;
- the third item determine that the symbol corresponding to the radio frequency readjustment time is not a valid symbol for data transmission, and delay the transmission of the PUSCH or PUSCH corresponding to the radio frequency readjustment time.
- the above-mentioned nominal PUSCH repeated transmission can be understood as the PUSCH repeated transmission configured or allocated by the network, and the nominal PUCCH repeated transmission can be understood as the PUSCH repeated transmission configured or allocated by the network.
- the configured frequency hopping is frequency hopping between repeated transmissions
- joint channel estimation can be performed on the PUSCH or PUCCH on every X3 repeated transmissions.
- the symbol corresponding to the radio frequency readjustment time is determined by at least one of the following:
- Radio resource control RRC configuration as indicated by the invalid symbol pattern (invalidSymbolPattern) of the RRC configuration;
- the indication of the downlink control information DCI such as an invalid symbol type indication (invalidSymbolPatternIndicator) indicated by the DCI.
- the symbol corresponding to the radio frequency readjustment time can be flexibly indicated.
- the radio frequency readjustment time occupies the last N regap symbols of the first hop, or occupies the first N regap symbols of the second hop, or occupies the last M1 symbols and the second hop of the first hop respectively.
- M1 floor/ceil(N regap /2)
- M2 N regap ⁇ M1
- N regap represents the radio frequency readjustment time
- the symbol corresponding to the radio frequency readjustment time is regarded as an invalid symbol, and the position of the symbol corresponding to the radio frequency readjustment time is fixed.
- the radio frequency The symbol corresponding to the readjustment time can be indicated by RRC configuration or DCI, that is, the location is flexible.
- the positions of the symbols corresponding to the radio frequency readjustment time are fixed, that is, the last two symbols of the first hop, the first two symbols of the second hop, or the symbols located at the first hop The last symbol and the previous symbol of the second jump.
- the third nominal repetition encounters the slot boundary and is split into 2 actual repetitions, due to the second actual repetition at slot n+1
- the length of the transmission is 1 symbol. According to the agreement, it cannot be used to transmit data.
- the actual repeated transmission length of the third nominal repeated transmission in time slot n+1 is 1 symbol, and no data is transmitted at this time, which is not a valid symbol of the transmission data.
- the radio frequency readjustment time is fixed to occupy the last N regap symbols of the first hop, or occupy the first N regap symbols of the second hop, or occupy the first hop respectively.
- the method further includes:
- the terminal performs the fourth operation
- the fourth operation includes at least one of the following:
- N regap indicates the number of symbols corresponding to the radio frequency readjustment time.
- the symbol corresponding to the radio frequency readjustment time is determined by at least one of the following:
- Radio Resource Control (RRC) configuration
- DCI Downlink Control Information
- the radio frequency readjustment time occupies the last N regap symbols of the first hop, or occupies the first N regap symbols of the second hop, or occupies the last M1 symbols of the first hop and the second hop respectively.
- M1 floor/ceil(N regap /2)
- M2 N regap ⁇ M1
- N regap represents the radio frequency readjustment time
- Symbolic, nominal PUSCH repeat transmissions are time-split into multiple actual repeat transmissions by RF remodulation.
- the symbol corresponding to the radio frequency readjustment time is not regarded as an invalid symbol, and the actual PUSCH repeated transmission is punctured or rate matched at the symbol corresponding to the radio frequency readjustment time, where " ⁇ " indicates rate matching or puncturing.
- the symbol corresponding to the radio frequency readjustment time is not used as a valid symbol for data transmission, and the PUSCH corresponding to the affected radio frequency readjustment time is delayed.
- the methods in the embodiments of the present application can also be applied to the transmission of one transport block (Transport Block, TB) in multiple time slots, and the network configuration or instructing to perform frequency hopping within the time slot is also applicable to downlink transmission. Scenarios that need to maintain single-carrier characteristics and need to obtain frequency diversity gain.
- Transport Block Transport Block
- the first operation is performed according to the above-mentioned first condition, such as abandoning the first hop and the second hop.
- the execution subject may be a frequency hopping processing apparatus, or a control module in the frequency hopping processing apparatus for executing the frequency hopping processing method.
- the frequency hopping processing apparatus provided by the embodiments of the present application is described by taking the frequency hopping processing method performed by the frequency hopping processing apparatus as an example.
- an embodiment of the present application provides a frequency hopping processing apparatus 2100, including:
- the first processing module 2101 is configured to, for the first repeated transmission, perform the first operation if the first condition is satisfied when frequency hopping is configured;
- the first repeated transmission includes at least one of physical uplink shared channel PUSCH repeated transmission and physical uplink control channel PUCCH repeated transmission;
- the configured frequency hopping includes frequency hopping between time units and frequency hopping between repeated transmissions At least one item, the time unit includes X1 time slots or X2 sub-slots, X1 ⁇ 1, X2 ⁇ 1, and the frequency hopping between repeated transmissions refers to frequency hopping every X3 repeated transmissions, X3 ⁇ 1;
- the first condition includes at least one of the following:
- At least one symbol in the resources of the second hop cannot be used for the PUCCH and/or PUCCH repeated transmission
- the transmission length of the second hop is less than the first value, and the first value is determined according to the waveform of the OFDM or the format of the PUCCH;
- the first operation includes at least one of the following:
- the resources of the second hop overlap with other resources, and the other resources are resources other than the resources of the second hop among the resources configured by the network.
- the apparatus of this embodiment of the present application further includes: a first determination module, configured to determine whether the first condition is satisfied.
- the device in the embodiment of the present application further includes:
- the second processing module is configured to, before performing the first operation, perform the first two operations
- the second operation includes at least one of the following:
- the first operation is different from the second operation.
- the PUSCH or PUCCH on each of the time units can perform joint channel estimation.
- the determining the position occupied by the radio frequency readjustment time in the first hop and/or the second hop includes:
- M1 floor/ceil(N regap /2)
- M2 N regap ⁇ M1
- N regap represents the number of symbols corresponding to the radio frequency readjustment time.
- the position of the first DMRS of the second hop is the Nth regap symbols.
- the transmission of the additional DMRS is abandoned in the second hop;
- the first symbol interval is the symbol interval between the configured first DMRS and the additional DMRS.
- the first symbol of the second hop is The location of the DMRS is the M2-th symbol.
- the transmission of additional DMRSs is abandoned in the second hop;
- the first symbol interval is the symbol interval between the configured first DMRS and the additional DMRS.
- At least one symbol corresponding to the radio frequency readjustment time is included in the second hop, and the symbol corresponding to the radio frequency readjustment time included in the second hop is the same as the second symbol.
- At least one DMRS in the hop does not have resource overlap, then the position of the DMRS on the first symbol in the second hop remains unchanged, and the first symbol is the symbol in the second hop excluding the symbol corresponding to the radio frequency readjustment time. outside symbols.
- the device in the embodiment of the present application further includes:
- a third processing module configured to perform the first operation before performing the first operation when the first repeated transmission is PUSCH repeated transmission type B or PUCCH repeated transmission, and the configured frequency hopping is frequency hopping between time units.
- the third operation includes at least one of the following:
- the PUSCH or PUCCH on every X3 repeated transmissions can perform joint channel estimation.
- the configured frequency hopping is frequency hopping between repeated transmissions
- N the number of the repeated transmission group
- the device in the embodiment of the present application further includes:
- a fourth processing module configured to perform a fourth operation before the terminal performs the first operation when the configured frequency hopping is frequency hopping between repeated transmissions;
- the fourth operation includes at least one of the following:
- N regap indicates the number of symbols corresponding to the radio frequency readjustment time.
- the symbol corresponding to the radio frequency readjustment time is determined by at least one of the following:
- the radio frequency readjustment time occupies the last N regap symbols of the first hop, or occupies the first N regap symbols of the second hop, or respectively occupies the last N regap symbols of the first hop. M1 symbols and the first M2 symbols of the second hop;
- M1 floor/ceil(N regap /2)
- M2 N regap ⁇ M1
- N regap represents the number of symbols corresponding to the radio frequency readjustment time.
- the apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment of FIG. 2-FIG. 20, and achieve the same technical effect. In order to avoid repetition, details are not repeated here.
- the frequency hopping processing apparatus in this embodiment of the present application may be an apparatus, an apparatus having an operating system or an electronic device, or may be a component, an integrated circuit, or a chip in a terminal.
- the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
- the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
- an embodiment of the present application further provides a communication device 1200, including a processor 2201, a memory 2202, a program or instruction stored in the memory 2202 and executable on the processor 2201,
- a communication device 1200 including a processor 2201, a memory 2202, a program or instruction stored in the memory 2202 and executable on the processor 2201
- the communication device 2200 is a terminal
- the program or instruction is executed by the processor 1201
- each process of the above-mentioned embodiment of the frequency hopping processing method applied to the terminal can be achieved, and the same technical effect can be achieved. Repeat.
- the embodiment of the present application also provides a terminal, including a processor and a communication interface, where the processor is used for:
- the terminal For the first repeated transmission, in the case where frequency hopping is configured, if the first condition is met, the terminal performs the first operation;
- the first repeated transmission includes at least one of physical uplink shared channel PUSCH repeated transmission and physical uplink control channel PUCCH repeated transmission;
- the configured frequency hopping includes frequency hopping between time units and frequency hopping between repeated transmissions At least one item, the time unit includes X1 time slots or X2 sub-slots, X1 ⁇ 1, X2 ⁇ 1, and the frequency hopping between repeated transmissions refers to frequency hopping every X3 repeated transmissions, X3 ⁇ 1;
- the first condition includes at least one of the following:
- At least one symbol in the resources of the second hop cannot be used for the PUCCH and/or PUCCH repeated transmission
- the transmission length of the second hop is less than the first value, and the first value is determined according to the waveform of the OFDM or the format of the PUCCH;
- the first operation includes at least one of the following:
- the resources of the second hop overlap with other resources, and the other resources are resources other than the resources of the second hop among the resources configured by the network.
- FIG. 23 is a schematic diagram of the hardware structure of a terminal implementing an embodiment of the present application.
- the terminal 2300 includes but is not limited to: a radio frequency unit 2301, a network module 2302, an audio output unit 2303, an input unit 2304, a sensor 2305, and a display unit 2306, the user input unit 2307, the interface unit 2308, the memory 2309, and at least some of the components in the processor 2310 and the like.
- the terminal 2300 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 2310 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
- a power source such as a battery
- the terminal structure shown in FIG. 23 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
- the input unit 2304 may include a graphics processor (Graphics Processing Unit, GPU) 23041 and a microphone 23042. Such as camera) to obtain still pictures or video image data for processing.
- the display unit 2306 may include a display panel 23061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 2307 includes a touch panel 23071 and other input devices 23072 .
- the touch panel 23071 is also called a touch screen.
- the touch panel 23071 may include two parts, a touch detection device and a touch controller.
- Other input devices 23072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
- the radio frequency unit 2301 receives the downlink data from the network side device, and then processes it to the processor 2310; in addition, sends the uplink data to the network side device.
- the radio frequency unit 2301 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- Memory 2309 may be used to store software programs or instructions as well as various data.
- the memory 2309 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
- the memory 2309 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- ROM Read-Only Memory
- PROM programmable read-only memory
- PROM erasable programmable read-only memory
- Erasable PROM Erasable PROM
- EPROM electrically erasable programmable read-only memory
- EEPROM electrically erasable programmable read-only memory
- flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
- the processor 2310 may include one or more processing units; optionally, the processor 2310 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 2310.
- the processor 2310 is configured to, for the first repeated transmission, perform the first operation if the first condition is satisfied when frequency hopping is configured;
- the first repeated transmission includes at least one of physical uplink shared channel PUSCH repeated transmission and physical uplink control channel PUCCH repeated transmission;
- the configured frequency hopping includes frequency hopping between time units and frequency hopping between repeated transmissions At least one item, the time unit includes X1 time slots or X2 sub-slots, X1 ⁇ 1, X2 ⁇ 1, and the frequency hopping between repeated transmissions refers to frequency hopping every X3 repeated transmissions, X3 ⁇ 1;
- the first condition includes at least one of the following:
- At least one symbol in the resources of the second hop cannot be used for the PUCCH and/or PUCCH repeated transmission
- the transmission length of the second hop is less than the first value, and the first value is determined according to the waveform of the OFDM or the format of the PUCCH;
- the first operation includes at least one of the following:
- the resources of the second hop overlap with other resources, and the other resources are resources other than the resources of the second hop among the resources configured by the network.
- the processor 2310 is further configured to execute the first repeated transmission when the first repeated transmission is PUSCH repeated transmission type A or PUCCH repeated transmission, and the configured frequency hopping is frequency hopping between time units. Before an operation, it also includes:
- the terminal performs the second operation
- the second operation includes at least one of the following:
- the time interval between the first hop and the second hop allocated by the network is smaller than the radio frequency readjustment time, determining the position occupied by the radio frequency readjustment time in the first hop and/or the second hop;
- the first operation is different from the second operation.
- the PUSCH or PUCCH on each of the time units can perform joint channel estimation.
- the processor 2310 is further configured to determine that the radio frequency readjustment time occupies the last N regap symbols of the first hop;
- M1 floor/ceil(N regap /2)
- M2 N regap ⁇ M1
- N regap represents the number of symbols corresponding to the radio frequency readjustment time.
- the position of the first DMRS of the second hop is the N th regap symbol.
- the processor 2310 is further configured to give up transmitting the additional DMRS in the second hop when the transmission length after the radio frequency readjustment time is removed from the second hop is less than or equal to the first symbol interval;
- the first symbol interval is the symbol interval between the configured first DMRS and the additional DMRS.
- the position of the first DMRS of the second hop is the M2th symbol.
- the transmission of additional DMRSs is abandoned in the second hop;
- the first symbol interval is the symbol interval between the configured first DMRS and the additional DMRS.
- At least one symbol corresponding to the radio frequency readjustment time is included in the second hop, and the symbol corresponding to the radio frequency readjustment time included in the second hop is not identical to at least one DMRS in the second hop.
- the position of the DMRS on the first symbol in the second hop remains unchanged, and the first symbol is the symbol in the second hop excluding the symbol corresponding to the radio frequency readjustment time.
- the processor 2310 is further configured to, when the first repeated transmission is PUSCH repeated transmission type B or PUCCH repeated transmission, and the configured frequency hopping is frequency hopping between time units, the Before the terminal performs the first operation, the third operation is performed;
- the third operation includes at least one of the following:
- the symbol corresponding to the radio frequency readjustment time is an invalid symbol, and the nominal PUSCH repeated transmission or the nominal PUCCH repeated transmission is divided into multiple actual repeated transmissions according to the invalid symbol;
- the PUSCH or PUCCH on every X3 repeated transmissions can perform joint channel estimation.
- the processor 2310 is further configured to perform a fourth operation before the terminal performs the first operation when the configured frequency hopping is frequency hopping between repeated transmissions;
- the fourth operation includes at least one of the following:
- N regap indicates the number of symbols corresponding to the radio frequency readjustment time.
- the symbol corresponding to the radio frequency readjustment time is determined by at least one of the following:
- the radio frequency readjustment time occupies the last N regap symbols of the first hop, or occupies the first N regap symbols of the second hop, or occupies the last M1 symbols of the first hop and the second hop respectively.
- M1 floor/ceil(N regap /2)
- M2 N regap ⁇ M1
- N regap represents the number of symbols corresponding to the radio frequency readjustment time.
- the first operation is performed according to the above-mentioned first condition, such as giving up the transmission of the first hop and the second hop, giving up The transmission of the second hop, abandoning the frequency hopping or not expecting the resources of the second hop to overlap with other resources, can reduce the influence of the radio frequency readjustment time on the effective information of the frequency hopping, thereby helping to ensure the frequency hopping gain.
- Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiment of the frequency hopping processing method is implemented, and can achieve The same technical effect, in order to avoid repetition, will not be repeated here.
- the processor is the processor in the terminal described in the foregoing embodiment.
- the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
- An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the above embodiment of the frequency hopping processing method and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
- the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
- Embodiments of the present application provide a computer program/program product, where the computer program/program product is stored in a non-volatile storage medium, and the program/program product is executed by at least one processor to implement the above method In order to avoid repetition, the details are not repeated here.
- An embodiment of the present application provides a communication device, which is configured to perform each process of each embodiment of the above method, and can achieve the same technical effect. In order to avoid repetition, details are not repeated here.
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Abstract
La présente demande divulgue un procédé de traitement de saut de fréquence, un dispositif, et un terminal et se rapporte au domaine technique des communications. Le procédé selon des modes de réalisation de la présente demande comprend : par rapport à une première retransmission, dans la mesure où un saut de fréquence est configuré, si un premier critère est satisfait, alors exécution d'une première opération ; le saut de fréquence configuré comprenant au moins un saut de fréquence parmi un saut de fréquence entre des unités de temps et un saut de fréquence entre des retransmissions ; le premier critère comprenant au moins l'un des éléments suivants : des ressources pour un second saut comprennent au moins un symbole qui ne peut pas être utilisé dans un PUCCH et/ou une retransmission de PUCCH ; la longueur de transmission du second saut est inférieure à une première valeur, qui est déterminée sur la base d'une forme d'onde OFDM ou du format du PUCCH ; la première opération comprenant au moins l'une des opérations suivantes : interrompre la transmission du premier saut et du second saut ; interrompre la transmission du second saut ; interrompre le saut de fréquence ; et s'attendre à aucun chevauchement entre les ressources du second saut et d'autres ressources.
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