CN115133954A - Frequency hopping processing method, device and terminal - Google Patents
Frequency hopping processing method, device and terminal Download PDFInfo
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- CN115133954A CN115133954A CN202110292013.0A CN202110292013A CN115133954A CN 115133954 A CN115133954 A CN 115133954A CN 202110292013 A CN202110292013 A CN 202110292013A CN 115133954 A CN115133954 A CN 115133954A
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- H04B1/713—Spread spectrum techniques using frequency hopping
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Abstract
The application discloses a frequency hopping processing method, a frequency hopping processing device and a terminal, and belongs to the technical field of communication. The method of the embodiment of the application comprises the following steps: under the condition that the terminal is configured to hop frequency and the frequency hopping interval is larger than a first frequency value, the terminal determines whether to execute frequency hopping according to the first information; the terminal is a capacity-reduced terminal, and the first frequency value is determined according to the maximum working bandwidth which can be supported by the terminal and the number of resource blocks occupied by uplink transmission; the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a frequency hopping processing method, an apparatus, and a terminal.
Background
In the related art, in order for a Reduced Capability terminal (red Capability, red beacon device/UE) device to effectively coexist with a non-Reduced Capability terminal (non-red beacon) in the same frequency band, improve the frequency resource utilization rate and obtain the frequency diversity gain, the red beacon device needs to be capable of transmitting and measuring uplink and downlink data in a wider bandwidth, that is, a bandwidth exceeding the maximum bandwidth Capability of the red beacon device. Accordingly, it is desirable to define a radio frequency resetting (RF resetting) time for a RedCap device in a wider bandwidth, i.e., to reset the radio frequency center frequency of the RedCap device to transmit and receive data/signals in a narrow band that does not exceed its maximum bandwidth at a given time. However, when the radio frequency retuning time is included in the transmission length of the uplink transmission signal, the performance loss caused by the radio frequency retuning time is even greater than the gain obtained by frequency hopping, and it is difficult to ensure the frequency hopping gain at this time.
Disclosure of Invention
The embodiment of the application provides a frequency hopping processing method, a frequency hopping processing device and a terminal, and can solve the problem of how to guarantee the frequency hopping gain of a terminal with reduced capability.
In a first aspect, a frequency hopping processing method is provided, including:
under the condition that the terminal is configured to hop frequency and the frequency hopping interval is larger than a first frequency value, the terminal determines whether to execute frequency hopping according to the first information;
the terminal is a terminal with reduced capability, and the first frequency value is determined according to the maximum working bandwidth which can be supported by the terminal and the number of resource blocks occupied by uplink transmission;
the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission.
In a second aspect, a frequency hopping processing apparatus is provided, including:
the first processing module is used for determining whether to execute frequency hopping according to the first information under the condition that the frequency hopping of the terminal is configured and the frequency hopping interval is larger than a first frequency value;
the terminal is a capacity-reduced terminal, and the first frequency value is determined according to the maximum working bandwidth which can be supported by the terminal and the number of resource blocks occupied by uplink transmission;
the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission.
In a third aspect, a terminal is provided, the terminal comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method according to the first aspect.
In a fourth aspect, a terminal is provided, which includes a processor and a communication interface, where the processor is configured to determine whether to perform frequency hopping according to first information when the terminal is configured to hop frequency and a frequency hopping interval is greater than a first frequency value;
the terminal is a terminal with reduced capability, and the first frequency value is determined according to the maximum working bandwidth which can be supported by the terminal and the number of resource blocks occupied by uplink transmission;
the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission.
In a fifth aspect, there is provided a readable storage medium on which is stored a program or instructions which, when executed by a processor, carries out the steps of the method according to the first aspect.
In a sixth aspect, a chip is provided, the chip comprising a processor and a communication interface, the communication interface being coupled to the processor, the processor being configured to execute a program or instructions to implement the method according to the first aspect.
In a seventh aspect, there is provided a computer program/program product stored in a non-volatile storage medium, the program/program product being executable by at least one processor to implement the steps of the frequency hopping processing method of the first aspect.
In the embodiment of the application, under the condition that the terminal frequency hopping is configured and the frequency hopping interval is greater than the first frequency value, the capacity-reduced terminal determines whether to execute frequency hopping according to at least one of the number of symbols occupied by uplink transmission, the radio frequency retuning time and the resources allocated to the uplink transmission, so as to reduce the influence of the radio frequency retuning time on effective frequency hopping information and further be beneficial to ensuring frequency hopping gain.
Drawings
Fig. 1 is a block diagram of a communication system to which embodiments of the present application are applicable;
fig. 2 is a schematic flow chart of a frequency hopping processing method according to an embodiment of the present application;
FIG. 3 shows one of the frequency hopping diagrams of the embodiments of the present application;
FIG. 4 is a second schematic diagram of frequency hopping according to an embodiment of the present application;
FIG. 5 shows a third exemplary frequency hopping scheme according to an embodiment of the present application;
FIG. 6 shows a fourth exemplary frequency hopping scheme according to an embodiment of the present application;
FIG. 7 shows a fifth exemplary frequency hopping scheme according to an embodiment of the present application;
FIG. 8 shows a sixth exemplary frequency hopping scheme according to an embodiment of the present application;
FIG. 9 shows a seventh exemplary frequency hopping scheme according to an embodiment of the present application;
FIG. 10 shows an eighth schematic frequency hopping scheme of an embodiment of the present application;
fig. 11 is a block diagram of a frequency hopping processing apparatus according to an embodiment of the present application;
fig. 12 is a block diagram showing a configuration of a communication apparatus according to an embodiment of the present application;
fig. 13 is a block diagram showing a configuration of a terminal according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of protection of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in other sequences than those illustrated or otherwise described herein, and that the terms "first" and "second" used herein generally refer to a class and do not limit the number of objects, for example, a first object can be one or more. In addition, "and/or" in the specification and the claims means at least one of connected objects, and a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-a) systems, but may also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described techniques can be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. The following description describes a New Radio (NR) system for purposes of example, and NR terminology is used in much of the description below, but the techniques may also be applied to applications other than NR system applications, such as generation 6 (6) th Generation, 6G) communication system.
Fig. 1 is a block diagram of a wireless communication system to which an embodiment of the present application is applicable. The wireless communication system includes a terminal 11 and a network-side device 12. Wherein, the terminal 11 may also be called as a terminal Device or a User Equipment (UE), the terminal 11 may be a Mobile phone, a Tablet Computer (Tablet Computer), a Laptop Computer (Laptop Computer) or called as a notebook Computer, a Personal Digital Assistant (PDA), a palmtop Computer, a netbook, a super-Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), a Wearable Device (Wearable Device) or a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), and other terminal side devices, and the Wearable Device includes: smart watches, bracelets, earphones, glasses, and the like. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network-side device 12 may be a Base Station or a core network device, where 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 (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a home node B, a WLAN access Point, a WiFi node, a Transmit Receive Point (TRP), or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base Station is not limited to a specific technical vocabulary, and it should be noted that in the embodiment of the present application, only the Base Station in the NR system is taken as an example, but the specific type of the Base Station is not limited.
The frequency hopping processing method provided by the embodiments of the present application is described in detail below with reference to the accompanying drawings by using some embodiments and application scenarios thereof.
As shown in fig. 2, an embodiment of the present application provides a frequency hopping processing method, including:
step 201: under the condition that the terminal is configured to hop frequency and the frequency hopping interval is larger than a first frequency value, the terminal determines whether to execute frequency hopping according to the first information;
the terminal is a capacity reduction terminal (also referred to as a capacity reduction terminal), the first frequency value is determined according to a maximum working bandwidth that the terminal can support and the number of resource blocks occupied by uplink transmission, specifically, the first frequency value is equal to a difference between the maximum working bandwidth that the terminal can support and the number of resource blocks occupied by uplink transmission, for example, the maximum working bandwidth that the terminal can support is 20 MHz;
the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission.
The frequency hopping includes at least one of frequency hopping within a time unit and frequency hopping between time units, the time unit is X1 time slots or X2 sub-time slots, X1 is greater than or equal to 1, and X2 is greater than or equal to 1.
In embodiments of the present application, the RedCap device is in a wider portion of the bandwidth, e.g., greater than 20MHzWhen uplink transmission is carried out on (bandwidth part, BWP), the length of radio frequency readjustment time needed by uplink transmission in different bandwidth transmission is defined as N regap A symbol, N regap ≥1。
The radio frequency retuning time is related to at least one of:
the capability of the capability-degrading terminal;
subcarrier spacing used for uplink transmission;
and transmitting corresponding transmission content in an uplink.
According to the frequency hopping processing method, under the condition that the terminal frequency hopping is configured and the frequency hopping interval is larger than the first frequency value, the capacity reduction terminal determines whether to execute frequency hopping according to at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time and resources allocated to the uplink transmission, so that the influence of the radio frequency retuning time on effective frequency hopping information is reduced, and the frequency hopping gain is favorably ensured.
Optionally, as a first implementation manner, the determining, by the terminal according to the first information, whether to perform frequency hopping includes:
in N symb +N regap Determining frequency hopping in a time unit under the condition that the frequency hopping is not more than N1, wherein the time unit is X1 time slots or X2 sub time slots, X1 is not less than 1, and X2 is not less than 1;
wherein N is symb Indicating the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retuning time is indicated, N1 indicates the number of symbols contained in a time unit, for example, N1 equals 14.
Here, for the above frequency hopping in the time unit, the terminal expects or the network must guarantee N symb +N regap N1, otherwise, the terminal determines to be an erroneous network schedule or network configuration.
Further optionally, the method of the present application further includes:
according to N symb And N regap Determining a starting symbol j1 of the second hop;
wherein j1 ═ i + floor (N) symb /2)+N regap And i represents the start of said uplink transmissionAnd (4) a symbol.
As shown in fig. 3, for a device with reduced terminal capability, PUCCH format1 for transmitting 10 symbols needs to perform rf retuning time within a large bandwidth (e.g. greater than 20MHz), where the rf retuning time N is N regap Occupying 4 symbols, i.e. N regap For 4, the initial symbol of the uplink transmission is symbol 0, i equals 0, and the number of symbols occupied by the uplink transmission is 10, i is N symb 10 and N1 is 14, in this case, N symb +N regap 14N 1, frequency hopping within the time slot is performed. Wherein, the transmission corresponding to the symbol 0 to the symbol 4 is the first hop, and the transmission corresponding to the symbol 9 to the symbol 13 is the second hop.
Optionally, as a second implementation manner, the determining, by the terminal according to the first information, whether to perform frequency hopping includes:
in N symb +N regap When the time is more than N1, the terminal determines not to execute frequency hopping or execute frequency hopping among time units or execute frequency hopping in the time units, wherein the time units are X1 time slots or X2 sub time slots, X1 is more than or equal to 1, and X2 is more than or equal to 1;
wherein N is symb Indicating the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retuning time is represented, and N1 represents the number of symbols contained in the time unit.
Here, in the case where the terminal does not perform frequency hopping, a frequency hopping indication (frequency hopping flag) of the network in DCI cannot be indicated as 1 for dynamically scheduled data or reference signals.
As shown in FIG. 4, assume N regap Is equal to 4, N symb +N regap If 18 > 14, the terminal determines not to perform frequency hopping.
Further optionally, in this implementation, the determining, by the terminal, to perform frequency hopping within a time unit includes:
in floor (N) symb /2)+N regap <N1, the terminal determines to perform frequency hopping within a time unit;
or, at
In the case of (2), the terminal determines to perform frequency hopping within a time unit, and Y is configured by a higher layer.
For example, Y equals 1/7 or 2/7.
On this basis, the method of the embodiment of the present application further includes:
in floor (N) symb /2)+N regap <N1, determining the starting symbol of the second hop to be the j2 th symbol in the time cell N;
wherein n represents a time unit in which the uplink transmission is located;
j2＝i+floor(N symb /2)+N regap ；
i represents a start symbol of the uplink transmission.
The method of the embodiment of the application further comprises the following steps:
in that
In this case, the starting symbol of the second hop is determined to be the j3 th symbol in the time cell n;
j3＝i+floor(N symb and/2), i represents a starting symbol of the uplink transmission.
Optionally, in this implementation, the determining, by the terminal, not to perform frequency hopping includes:
giving up frequency hopping under the condition that the transmission length of the second hop is smaller than the first value;
alternatively, the first and second liquid crystal display panels may be,
in case of (2), no frequency hopping is performed;
wherein the first value is determined according to a waveform of Orthogonal Frequency Division Multiplexing (OFDM) or a format of a Physical Uplink Control Channel (PUCCH), and Y is configured by a higher layer.
Optionally, for PUSCH using a discrete fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM) waveform, the first value is equal to 2;
for a PUSCH using a cyclic prefix orthogonal frequency division multiplexing (CP-OFDM) waveform, a first value is equal to 1;
for PUCCH, the first value is equal to 2 if the PUCCH format is 1, 3 or 4, and equal to 1 if the PUCCH format is 0 or 2.
Optionally, in this implementation, the determining, by the terminal, to perform frequency hopping among time units includes:
in that
In case of (2), the terminal determines to perform inter-time unit frequency hopping.
Further, the method of the embodiment of the present application, when performing frequency hopping between time units, further includes:
determining the starting symbol of the second hop to be the j4 th symbol in the time cell n + 1;
or, determining the starting symbol of the second hop to be the j5 th symbol in the time unit n + 1;
wherein n represents a time unit in which the uplink transmission is located;
j4＝max{0,i+floor(N symb /2)+N regap -N1}；
j5＝i+floor(N symb /2)；
i represents a start symbol of the uplink transmission.
As shown in FIG. 5, for a RedCap device, assume N regap If N is 4 symb +N regap ＝14+4＝18>14, inter-slot frequency hopping is performed, and the starting symbol of the second hop is the symbol j4 of slot # (N +1), j4 is max {0, (i + floor (N) } symb /2)+N regap -14) ((0 + floor (14/2) +4-14) (-3) } max {0, (-3) } 0, i.e. the starting symbol of the second hop is the 0 th symbol of time slot n + 1.
As shown in FIG. 6, for a RedCap device, assume N regap If N is 4 symb +N regap ＝14+4＝18>14, inter-slot frequency hopping is performed, and the starting symbol of the second hop is slot # (N +1) symbol j5, j5 is i + floor (N) symb 0+ floor (14/2) ═ 7, i.e., the starting symbol of the second hop is the 7 th symbol of slot n + 1.
In a further alternative,in that
In the case of (1):
if the symbol corresponding to the radio frequency readjustment time is contained in the last N of the first hop of the uplink transmission regap Determining the position of a first demodulation reference signal (DMRS) of a second hop to be kept unchanged;
or, if the symbol corresponding to the radio frequency retuning time is contained in the first N of the second hop of the uplink transmission regap Determining the position of the first DMRS of the second hop to be a j6 th symbol;
or, if the radio frequency retuning time contains the last M1 symbols of the first hop of the uplink transmission and contains the first M1 symbols of the second hop, determining the position of the first DMRS of the second hop to be the j7 symbol;
wherein j6 is j5+ N regap ；
Further, the method of the embodiment of the present application further includes:
under the condition that the transmission length of the second hop after the radio frequency retuning time is removed is less than or equal to the first symbol interval, abandoning to transmit the additional DMRS in the second hop;
wherein the first symbol interval is a symbol interval between the configured first DMRS and an additional DMRS.
As shown in FIG. 7, assume N regap PUSCH transmission occupies 14 symbols, N symb 14, Y is 2/7, if the symbol corresponding to the radio frequency retuning time includes the last 2 symbols of the first hop transmitted in the uplink, the position of the first DMRS of the second hop is not affected.
As shown in FIG. 8, assume N regap PUSCH transmission occupies 14 symbols, N symb 14, Y2/7, if the symbol corresponding to the radio frequency reset time is included in the symbolAnd uplink transmitting the first 2 symbols of the second hop, wherein the position of the first DMRS of the second hop is the 9 th symbol, and the transmission length of the second hop after the radio frequency readjustment time is removed is 7-2, namely 5 is greater than 4, and then reserving the originally scheduled or configured additional DMRS (additional DMRS).
As shown in fig. 9, the PUSCH transmission occupies 14 symbols, N symb If the number of symbols required for the radio frequency overlapping time is 4 and the radio frequency retuning time is included in the first 4 symbols of the second hop of uplink transmission, the position of the first DMRS of the second hop is the 11 th symbol, and the transmission length of the second hop excluding the radio frequency retuning time is 7-4, which is 3 > 4, then the originally scheduled or configured additional DMRS symbols are removed.
As shown in fig. 10, the PUSCH transmission occupies 14 symbols, N symb And 14, Y is 2/7, if the symbols required by the rf overlap time are 4, and the rf retuning time includes the last 2 symbols of the first hop of uplink transmission and the first 2 symbols of the second hop of uplink transmission, the position of the first DMRS of the second hop is the 9 th symbol, and the transmission length of the second hop excluding the rf retuning time is 7-2, 5 > 4, then the originally scheduled or configured additional DMRS is reserved.
As a third optional implementation manner, the determining, by the terminal, whether to perform frequency hopping according to the first information includes:
and if at least one symbol in the configuration resource of the second hop of the uplink transmission cannot be used by the uplink transmission (i.e. at least one symbol in the configuration resource of the second hop is occupied by semi-statically configured downlink transmission, SSB and/or other transmission with higher priority), determining not to perform frequency hopping.
Here, the non-execution of the frequency hopping means the execution of the uplink transmission without the frequency hopping.
Further, in this implementation manner, the method further includes:
performing a first behavior, the first behavior comprising at least one of:
abandoning the transmission of the first hop and the second hop of the uplink transmission;
abandoning the transmission of the second hop;
the resource of the second hop is not expected to overlap with other resources, where the other resources are resources other than the resource of the second hop in the network configuration, that is, the network should ensure that the configured resource of the second hop does not conflict with other configured resources.
Optionally, the method in the embodiment of the present application further includes:
and sending indication information, wherein the indication information is used for indicating whether the frequency hopping within the time unit is executed or not when the frequency hopping is configured for the terminal with reduced capability.
In the embodiment of the present application, the indication information may be carried through a PUCCH or a PUSCH.
Optionally, in a case that the indication information indicates that intra-slot frequency hopping is performed, the indication information is further used to indicate a frequency domain interval between the first hop and the second hop, and a starting resource location of the second hop.
Further optionally, the indication information is carried by a DMRS sequence, the DMRS sequence being located at a fixed position of the PUCCH or PUSCH transmission resource, e.g., the fixed position being the first DMRS position of the first hop defined in protocol 38.211;
or, reserving or puncturing specific resources in the first hop of the uplink transmission, where the indication information is carried by the specific resources.
In the embodiment of the present application, through the above indication information, when initially accessing, the network may identify the red beacon and the non-red beacon devices at an earlier stage, that is, may play a role of early identification (early identification); the auxiliary network side performs proper scheduling on the RedCap and facilitates correct demodulation of the network.
It should be noted that, different types of PUSCHs may or may not adopt the frequency hopping mechanism in the large bandwidth according to the network configuration or protocol convention, and different PUCCH formats and/or different uplink control information carried by the PUCCH may or may not adopt the frequency hopping mechanism in the different large bandwidth according to the network configuration or protocol convention.
According to the frequency hopping processing method, under the condition that the terminal frequency hopping is configured and the frequency hopping interval is larger than the first frequency value, the capacity reduction terminal determines whether to execute the frequency hopping according to at least one of the number of symbols occupied by the uplink transmission, the radio frequency retuning time and the resource allocated to the uplink transmission, so that the influence of the radio frequency retuning time on the effective frequency hopping information is reduced, and the frequency hopping gain is favorably ensured.
In the frequency hopping processing method provided in the embodiment of the present application, the execution subject may be a frequency hopping processing device, or a control module for executing the frequency hopping processing method in the frequency hopping processing device. In the embodiment of the present application, a frequency hopping processing apparatus executing a frequency hopping processing method is taken as an example, and the frequency hopping processing apparatus provided in the embodiment of the present application is described.
As shown in fig. 11, an embodiment of the present application provides a frequency hopping processing apparatus 1100, including:
a first processing module 1101, configured to determine whether to perform frequency hopping according to the first information when the terminal is configured to hop frequency and a frequency hopping interval is greater than a first frequency value;
the terminal is a terminal with reduced capability, and the first frequency value is determined according to the maximum working bandwidth which can be supported by the terminal and the number of resource blocks occupied by uplink transmission;
the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission.
Optionally, the apparatus according to the embodiment of the present application further includes: a sixth determining module, configured to determine whether the hop interval is greater than the first frequency value.
Optionally, the first processing module is configured to process the data at N symb +N regap Under the condition that the frequency hopping is not more than N1, determining to execute frequency hopping in a time unit, wherein the time unit is X1 time slots or X2 sub-time slots, X1 is not less than 1, and X2 is not less than 1;
wherein N is symb Indicating the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retuning time is represented, and N1 represents the number of symbols contained in the time unit.
Optionally, the apparatus according to the embodiment of the present application further includes:
a first determination module for determining according to N symb And N regap Determining a starting symbol j1 of the second hop;
wherein j1 ═ i + floor (N) symb /2)+N regap And i represents a start symbol of the uplink transmission.
Optionally, the first processing module is configured to process the data at N symb +N regap When the time is more than N1, the terminal determines not to execute frequency hopping or execute frequency hopping among time units or execute frequency hopping in the time units, wherein the time units are X1 time slots or X2 sub time slots, X1 is more than or equal to 1, and X2 is more than or equal to 1;
wherein N is symb Indicating the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retuning time is represented, and N1 represents the number of symbols contained in the time unit.
Optionally, the first processing module is for processing in floor (N) symb /2)+N regap <N1, the terminal determines to perform frequency hopping within a time unit;
or, at
In the case of (2), the terminal determines to perform frequency hopping within a time unit, and Y is configured by a higher layer.
Optionally, the apparatus according to the embodiment of the present application further includes:
a second determination module for determining the current value of the current value in floor (N) symb /2)+N regap <N1, determining the starting symbol of the second hop to be the j2 th symbol in the time unit N;
wherein n represents a time unit in which the uplink transmission is located;
j2＝i+floor(N symb /2)+N regap ；
i denotes a start symbol of the uplink transmission.
Optionally, the apparatus according to the embodiment of the present application further includes:
a third determination module for determining whether the first and second determination modules are in a normal state
In this case, the starting symbol of the second hop is determined to be the j3 th symbol in the time cell n;
j3＝i+floor(N symb and/2), i represents a starting symbol of the uplink transmission.
Optionally, the first processing module is configured to abandon frequency hopping when the transmission length of the allocated second hop is smaller than a first value;
alternatively, the first and second electrodes may be,
in case of (2), no frequency hopping is performed;
wherein the first value is determined according to a waveform of Orthogonal Frequency Division Multiplexing (OFDM) or a format of a Physical Uplink Control Channel (PUCCH), and Y is configured by a higher layer.
Optionally, the first processing module is used for processing the data at
In the case of (2), the terminal determines to perform inter-time-unit frequency hopping, and Y is configured by a higher layer.
Optionally, the apparatus in the embodiment of the present application further includes:
a fourth determining module, configured to determine, when performing inter-time-unit frequency hopping, that a starting symbol of a second hop is a j 4-th symbol in a time unit n + 1;
or, determining the starting symbol of the second hop to be the j5 th symbol in the time cell n + 1;
wherein n represents a time unit in which the uplink transmission is located;
j4＝max{0,i+floor(N symb /2)+N regap -N1}；
j5＝i+floor(N symb /2)；
i represents a start symbol of the uplink transmission.
Optionally, the apparatus according to the embodiment of the present application further includes:
a fifth determining module for determining
In the case of (2):
if the symbol corresponding to the radio frequency readjustment time is contained in the last N of the first hop of the uplink transmission regap Determining the position of a first demodulation reference signal (DMRS) of a second hop to be kept unchanged;
or, if the symbol corresponding to the radio frequency retuning time is contained in the first N of the second hop of the uplink transmission regap Determining the position of a first DMRS of a second hop to be a j6 th symbol;
or, if the DMRS at the radio frequency retuning time contains the last M1 symbols of the first hop of the uplink transmission and contains the first M1 symbols of the second hop, determining the position of the first DMRS of the second hop to be the j7 symbol;
wherein j6 is j5+ N regap ；
Optionally, the apparatus according to the embodiment of the present application further includes:
a second processing module, configured to abandon transmission of the additional DMRS in the second hop if the transmission length of the second hop after the radio frequency retuning time is removed is less than or equal to the first symbol interval;
wherein the first symbol interval is a symbol interval between the configured first DMRS and an additional DMRS.
Optionally, the first processing module is configured to determine not to perform frequency hopping if at least one symbol in the configuration resource of the second hop of the uplink transmission cannot be used by the uplink transmission.
Optionally, the apparatus according to the embodiment of the present application further includes:
a third processing module to perform a first behavior, the first behavior comprising at least one of:
abandoning the transmission of the first hop and the second hop of the uplink transmission;
abandoning the transmission of the second hop;
and not expecting the resource of the second hop to overlap with other resources, wherein the other resources are the resources except the resource of the second hop in the resources configured by the network.
Optionally, the apparatus according to the embodiment of the present application further includes:
a first sending module, configured to send indication information, where the indication information is used to indicate whether frequency hopping within a time unit is performed when the capability reduction terminal configures frequency hopping.
Optionally, in a case that the indication information indicates that intra-slot frequency hopping is performed, the indication information is further used to indicate a frequency domain interval between the first hop and the second hop, and a starting resource location of the second hop.
Optionally, the indication information is carried by a DMRS sequence, and the DMRS sequence is located at a fixed position of a PUCCH or PUSCH transmission resource;
or, reserving or puncturing specific resources in the first hop of the uplink transmission, where the indication information is carried by the specific resources.
Optionally, the radio frequency retuning time is related to at least one of:
the capability of the capability-degrading terminal;
subcarrier spacing used for uplink transmission;
and transmitting corresponding transmission content in an uplink.
The device provided by the embodiment of the application can realize each process realized by the method embodiments in fig. 2 to fig. 10, and achieve the same technical effect, and for avoiding repetition, the details are not repeated here.
The frequency hopping processing device in the embodiment of the present application may be a device, a device or an electronic device having an operating system, or may be a component, an integrated circuit, or a chip in a terminal. The device or the electronic equipment can be a mobile terminal or a non-mobile terminal. By way of example, the mobile terminal may include, but is not limited to, the above-listed type of terminal 11, and the non-mobile terminal may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine, a kiosk, or the like, and the embodiments of the present application are not limited in particular.
Optionally, as shown in fig. 12, an embodiment of the present application further provides a communication device 1200, which includes a processor 1201, a memory 1202, and a program or an instruction stored in the memory 1202 and executable on the processor 1201, for example, when the communication device 1200 is a terminal, the program or the instruction is executed by the processor 1201 to implement the processes of the frequency hopping processing method embodiment applied to the terminal, and the same technical effects can be achieved, and are not described again to avoid repetition.
The embodiment of the application also provides a terminal, which comprises a processor and a communication interface, wherein the processor is used for determining whether to execute frequency hopping according to the first information under the condition that the frequency hopping of the terminal is configured and the frequency hopping interval is greater than the first frequency value; the terminal is a terminal with reduced capability, and the first frequency value is determined according to the maximum working bandwidth which can be supported by the terminal and the number of resource blocks occupied by uplink transmission; the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission. The terminal embodiment corresponds to the terminal-side method embodiment, and all implementation processes and implementation manners of the method embodiment can be applied to the terminal embodiment and can achieve the same technical effect. Specifically, fig. 13 is a schematic diagram of a hardware structure of a terminal for implementing the embodiment of the present application, where the terminal 1300 includes, but is not limited to: a radio frequency unit 1301, a network module 1302, an audio output unit 1303, an input unit 1304, a sensor 1305, a display unit 1306, a user input unit 1307, an interface unit 1308, a memory 1309, a processor 1310, and the like.
Those skilled in the art will appreciate that terminal 1300 may also include a power supply (e.g., a battery) for powering the various components, which may be logically coupled to processor 1310 via a power management system to manage charging, discharging, and power consumption management functions via the power management system. The terminal structure shown in fig. 13 does not constitute a limitation of the terminal, and the terminal may include more or less components than those shown, or combine some components, or have a different arrangement of components, and thus will not be described again.
It should be understood that in the embodiment of the present application, the input Unit 1304 may include a Graphics Processing Unit (GPU) 13041 and a microphone 13042, and the Graphics processor 13041 processes image data of still pictures or videos obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1306 may include a display panel 13061, and the display panel 13061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1307 includes a touch panel 13071 and other input devices 13072. A touch panel 13071, also referred to as a touch screen. The touch panel 13071 may include two parts, a touch detection device and a touch controller. Other input devices 13072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
In this embodiment of the application, the radio frequency unit 1301 receives downlink data from a network side device and then processes the downlink data to the processor 1310; in addition, the uplink data is sent to the network side equipment. In general, radio unit 1301 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.
Processor 1310 may include one or more processing units; alternatively, the processor 1310 may integrate an application processor, which mainly handles operating systems, user interfaces, and applications or instructions, etc., and a modem processor, which mainly handles wireless communications, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into the processor 1310.
The processor 1310 is configured to, when the terminal is configured to hop frequency and a hopping interval is greater than a first frequency value, determine, by the terminal, whether to perform hopping according to the first information;
the terminal is a capacity-reduced terminal, and the first frequency value is determined according to the maximum working bandwidth which can be supported by the terminal and the number of resource blocks occupied by uplink transmission;
the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission.
Optionally, the processor 1310 is further configured to process the data at N symb +N regap Determining frequency hopping in a time unit under the condition that the frequency hopping is not more than N1, wherein the time unit is X1 time slots or X2 sub time slots, X1 is not less than 1, and X2 is not less than 1;
wherein N is symb Indicating the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retuning time is represented, and N1 represents the number of symbols contained in the time unit.
Optionally, the processor 1310 is further configured to perform the method according to N symb And N regap Determining a starting symbol j1 of the second hop;
wherein j1 ═ i + floor (N) symb /2))+N regap And i represents a start symbol of the uplink transmission.
Optionally, the processor 1310 is further configured to determine whether the signal is received at N symb +N regap When the time is more than N1, the terminal determines not to execute frequency hopping or execute frequency hopping among time units or execute frequency hopping in the time units, wherein the time units are X1 time slots or X2 sub time slots, X1 is more than or equal to 1, and X2 is more than or equal to 1;
wherein N is symb Indicating the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retuning time is represented, and N1 represents the number of symbols contained in the time unit.
Optionally, the processor 1310 is further configured to process data in floor (N) symb /2)+N regap <N1, the terminal determines to perform frequency hopping within a time unit;
or, at
In the case of (2), the terminal determines to perform frequency hopping within a time unit, and Y is configured by a higher layer.
Optionally, the processor 1310 is further configured to determine the threshold (N) symb /2)+N regap <N1, determining the starting symbol of the second hop to be the j2 th symbol in the time cell N;
wherein n represents a time unit in which the uplink transmission is located;
j2＝(i+floor(N symb /2))+N regap ；
i represents a start symbol of the uplink transmission.
Optionally, the processor 1310 is further configured to be used in
In this case, the starting symbol of the second hop is determined to be the j3 th symbol in the time cell n;
j3＝(i+floor(N symb /2)), i represents the starting symbol of the uplink transmission.
Optionally, the processor 1310 is further configured to abandon frequency hopping if the transmission length of the allocated second hop is smaller than the first value;
alternatively, the first and second liquid crystal display panels may be,
in case of (2), no frequency hopping is performed;
wherein the first value is determined according to a waveform of Orthogonal Frequency Division Multiplexing (OFDM) or a format of a Physical Uplink Control Channel (PUCCH), and Y is configured by a higher layer.
Optionally, the processor 1310 is further configured to be used in
In the case of (2), the terminal determines to perform inter-time-unit frequency hopping, and Y is configured by a higher layer.
Optionally, the processor 1310 is further configured to determine that the starting symbol of the second hop is a j4 th symbol in the time unit n + 1;
or, determining the starting symbol of the second hop to be the j5 th symbol in the time cell n + 1;
wherein n represents a time unit in which the uplink transmission is located;
j4＝max{0,(i+floor(N symb /2))+N regap -N1)}；
j5＝(i+floor(N symb /2))；
i represents a start symbol of the uplink transmission.
Optionally, the processor 1310 is further configured to control the operation of the computer at
In the case of (2):
if the symbol corresponding to the radio frequency readjustment time is contained in the last N of the first hop of the uplink transmission regap Determining the position of a first demodulation reference signal (DMRS) of a second hop to be kept unchanged;
or, if the symbol corresponding to the radio frequency retuning time is contained in the first N of the second hop of the uplink transmission regap Determining the position of the first DMRS of the second hop to be a j6 th symbol;
or, if the radio frequency retuning time contains the last M1 symbols of the first hop of the uplink transmission and contains the first M1 symbols of the second hop, determining the position of the first DMRS of the second hop to be the j7 symbol;
wherein j6 is j5+ N regap ；
Optionally, the processor 1310 is further configured to abandon transmission of the additional DMRS in the second hop if the transmission length of the second hop after the radio frequency retuning time is removed is less than or equal to the first symbol interval;
wherein the first symbol interval is a symbol interval between the configured first DMRS and an additional DMRS.
Optionally, the processor 1310 is further configured to determine not to perform frequency hopping if at least one symbol in the configured resource of the second hop of the uplink transmission cannot be used by the uplink transmission.
Optionally, the processor 1310 is further configured to perform a first action, the first action including at least one of:
abandoning the transmission of the first hop and the second hop of the uplink transmission;
relinquishing transmission of the second hop;
and not expecting the resource of the second hop to overlap with other resources, wherein the other resources are the resources except the resource of the second hop in the resources configured by the network.
Optionally, the processor 1310 is further configured to send, by the transceiver, indication information indicating whether frequency hopping within a time unit is performed in a case where the reduced capability terminal configures the frequency hopping.
Optionally, in a case that the indication information indicates that intra-slot frequency hopping is performed, the indication information is further used to indicate a frequency domain interval between the first hop and the second hop, and a starting resource location of the second hop.
Optionally, the indication information is carried by a DMRS sequence, and the DMRS sequence is located at a fixed position of a PUCCH or PUSCH transmission resource;
or, reserving or puncturing specific resources in the first hop of the uplink transmission, where the indication information is carried by the specific resources.
Optionally, the radio frequency retuning time is related to at least one of:
the capability of the capability-degrading terminal;
subcarrier spacing used for uplink transmission;
and uplink transmitting corresponding transmission content.
In the embodiment of the application, under the condition that the terminal frequency hopping is configured and the frequency hopping interval is greater than the first frequency value, the capacity reduction terminal determines whether to execute frequency hopping according to at least one of the number of symbols occupied by uplink transmission, the radio frequency retuning time and the resource allocated to the uplink transmission, so that the influence of the radio frequency retuning time on frequency hopping effective information is reduced, and the frequency hopping gain is favorably ensured.
The embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the foregoing frequency hopping processing method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The 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 each process of the foregoing frequency hopping processing method embodiment, and can achieve the same technical effect, and for avoiding repetition, the details are not repeated here.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application or portions thereof that contribute to the prior art may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.
Claims (38)
1. A frequency hopping processing method, comprising:
under the condition that the terminal is configured for frequency hopping and the frequency hopping interval is larger than a first frequency value, the terminal determines whether to execute frequency hopping according to the first information;
the terminal is a capacity-reduced terminal, and the first frequency value is determined according to the maximum working bandwidth which can be supported by the terminal and the number of resource blocks occupied by uplink transmission;
the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission.
2. The method of claim 1, wherein the terminal determines whether to perform frequency hopping according to the first information, and wherein the determining comprises:
in N symb +N regap Determining frequency hopping in a time unit under the condition that the frequency hopping is not more than N1, wherein the time unit is X1 time slots or X2 sub time slots, X1 is not less than 1, and X2 is not less than 1;
wherein N is symb Indicating the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retuning time is represented, and N1 represents the number of symbols contained in the time unit.
3. The method of claim 2, further comprising:
according to N symb And N regap Determining a starting symbol j1 of the second hop;
wherein j1 ═ i + floor (N) symb /2)+N regap And i represents a start symbol of the uplink transmission.
4. The method of claim 1, wherein the terminal determines whether to perform frequency hopping according to the first information, comprising:
in N symb +N regap When the time is more than N1, the terminal determines not to execute frequency hopping or execute frequency hopping among time units or execute frequency hopping in the time units, wherein the time units are X1 time slots or X2 sub time slots, X1 is more than or equal to 1, and X2 is more than or equal to 1;
wherein N is symb Indicating the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retuning time is represented, and N1 represents the number of symbols contained in the time unit.
5. The method of claim 4, wherein the terminal determining to perform frequency hopping within a time unit comprises:
in floor (N) symb /2)+N regap <N1, the terminal determines to perform frequency hopping within a time unit;
or, at
In the case of (2), the terminal determines to perform frequency hopping within a time unit, and Y is configured by a higher layer.
6. The method of claim 5, further comprising:
in floor (N) symb /2)+N regap <N1, determining the starting symbol of the second hop to be the j2 th symbol in the time cell N;
wherein n represents a time unit in which the uplink transmission is located;
j2＝i+floor(N symb /2)+N regap ；
i denotes a start symbol of the uplink transmission.
7. The method of claim 5, further comprising:
in that
In case of (2), the start of the second jump is determinedThe starting symbol is the j3 th symbol in time cell n;
j3＝i+floor(N symb and/2), i represents a starting symbol of the uplink transmission.
8. The method of claim 4, wherein the terminal determining not to perform frequency hopping comprises:
giving up frequency hopping under the condition that the transmission length of the allocated second hop is smaller than the first numerical value;
alternatively, the first and second electrodes may be,
in case of (2), no frequency hopping is performed;
wherein the first value is determined according to a waveform of Orthogonal Frequency Division Multiplexing (OFDM) or a format of a Physical Uplink Control Channel (PUCCH), and Y is configured by a higher layer.
9. The method of claim 4, wherein the terminal determining to perform inter-time-unit frequency hopping comprises:
in that
In the case of (2), the terminal determines to perform inter-time-unit frequency hopping, and Y is configured by a higher layer.
10. The method of claim 4, wherein in case of performing inter-time-unit frequency hopping, further comprising:
determining the starting symbol of the second hop to be the j4 th symbol in the time cell n + 1;
or, determining the starting symbol of the second hop to be the j5 th symbol in the time cell n + 1;
wherein n represents a time unit in which the uplink transmission is located;
j4＝max{0,i+floor(N symb /2)+N regap -N1}；
j5＝i+floor(N symb /2)；
i represents a start symbol of the uplink transmission.
11. The method of claim 5, wherein the step of removing the metal layer is performed in a batch process
In the case of (2):
if the symbol corresponding to the radio frequency readjustment time is contained in the last N of the first hop of the uplink transmission regap Determining that the position of a first demodulation reference signal (DMRS) of a second hop is kept unchanged;
or, if the symbol corresponding to the radio frequency retuning time is contained in the first N of the second hop of the uplink transmission regap Determining the position of the first DMRS of the second hop to be a j6 th symbol;
or, if the radio frequency retuning time contains the last M1 symbols of the first hop of the uplink transmission and contains the first M1 symbols of the second hop, determining the position of the first DMRS of the second hop to be the j7 symbol;
wherein j6 is j5+ N regap ；
12. The method of claim 11, further comprising:
under the condition that the transmission length of the second hop after the radio frequency readjustment time is removed is less than or equal to the first symbol interval, abandoning to transmit the additional DMRS in the second hop;
wherein the first symbol interval is a symbol interval between the configured first DMRS and an additional DMRS.
13. The method of claim 1, wherein the terminal determines whether to perform frequency hopping according to the first information, comprising:
and if at least one symbol in the configuration resource of the second hop of the uplink transmission cannot be used by the uplink transmission, determining not to execute frequency hopping.
14. The method of claim 13, further comprising:
performing a first behavior, the first behavior comprising at least one of:
abandoning the transmission of the first hop and the second hop of the uplink transmission;
abandoning the transmission of the second hop;
and not expecting the resource of the second hop to overlap with other resources, wherein the other resources are the resources except the resource of the second hop in the resources configured by the network.
15. The method of claim 1, further comprising:
and sending indication information, wherein the indication information is used for indicating whether the frequency hopping within the time unit is executed or not when the frequency hopping is configured for the terminal with reduced capability.
16. The method of claim 15,
and in the case that the indication information indicates that the intra-slot frequency hopping is performed, the indication information is further used for indicating a frequency domain interval between the first hop and the second hop, and a starting resource position of the second hop.
17. The method of claim 15, the indication information is carried by a DMRS sequence located in a fixed position on a PUCCH or PUSCH transmission resource;
or, reserving or puncturing specific resources in the first hop of the uplink transmission, where the indication information is carried by the specific resources.
18. The method of claim 1, wherein the radio frequency retune time is related to at least one of:
the capability of the capability-degrading terminal;
the subcarrier spacing used for uplink transmission;
and uplink transmitting corresponding transmission content.
19. A frequency hopping processing apparatus, comprising:
the first processing module is used for determining whether to execute frequency hopping according to the first information under the condition that the terminal is configured for frequency hopping and the frequency hopping interval is greater than a first frequency value;
the terminal is a capacity-reduced terminal, and the first frequency value is determined according to the maximum working bandwidth which can be supported by the terminal and the number of resource blocks occupied by uplink transmission;
the first information includes at least one of the number of symbols occupied by uplink transmission, radio frequency retuning time, and resources allocated to the uplink transmission.
20. The apparatus of claim 19, wherein the first processing module is configured to process the data at N symb +N regap Under the condition that the frequency hopping is not more than N1, determining to execute frequency hopping in a time unit, wherein the time unit is X1 time slots or X2 sub-time slots, X1 is not less than 1, and X2 is not less than 1;
wherein N is symb Indicating the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retuning time is represented, and N1 represents the number of symbols contained in the time unit.
21. The apparatus of claim 20, further comprising:
a first determination module for determining according to N symb And N regap Determining a starting symbol j1 of the second hop;
wherein j1 ═ i + floor (N) symb /2)+N regap And i represents a start symbol of the uplink transmission.
22. The apparatus of claim 19, wherein the first processing module is configured to process the data at N symb +N regap In case of > N1, the terminal determines not to perform frequency hopping or to performFrequency hopping among time units or frequency hopping in time units is carried out, wherein the time units are X1 time slots or X2 sub-time slots, X1 is more than or equal to 1, and X2 is more than or equal to 1;
wherein, N symb Indicating the number of symbols occupied by uplink transmission, N regap The symbol number corresponding to the radio frequency readjustment time is shown, and N1 shows the symbol number contained in the time unit.
23. Device according to claim 22, characterized in that said first processing module is adapted to be on floor (N) symb /2)+N regap <N1, the terminal determines to perform frequency hopping within a time unit;
or, at
In the case of (2), the terminal determines to perform frequency hopping within a time unit, and Y is configured by a higher layer.
24. The apparatus of claim 23, further comprising:
a second determination module for determining the current value of the current value in floor (N) symb /2)+N regap <N1, determining the starting symbol of the second hop to be the j2 th symbol in the time cell N;
wherein n represents a time unit in which the uplink transmission is located;
j2＝i+floor(N symb /2)+N regap ；
i denotes a start symbol of the uplink transmission.
25. The apparatus of claim 23, further comprising:
a third determination module for determining whether the first and second determination modules are in a normal state
In this case, the starting symbol of the second hop is determined to be the j3 th symbol in the time cell n;
j3＝i+floor(N symb and/2), i representsAnd the initial symbol of the uplink transmission.
26. The apparatus of claim 22, wherein the first processing module is configured to abort frequency hopping if the transmission length of the assigned second hop is less than a first value;
alternatively, the first and second electrodes may be,
in case of (2), no frequency hopping is performed;
wherein the first value is determined according to a waveform of Orthogonal Frequency Division Multiplexing (OFDM) or a format of a Physical Uplink Control Channel (PUCCH), and Y is configured by a higher layer.
27. The apparatus of claim 22, wherein the first processing module is configured to process the received data at a first time
In the case of (2), the terminal determines to perform inter-time-unit frequency hopping, and Y is configured by a higher layer.
28. The apparatus of claim 22, further comprising:
a fourth determining module, configured to determine, when performing inter-time-unit frequency hopping, that a starting symbol of a second hop is a j 4-th symbol in a time unit n + 1;
or, determining the starting symbol of the second hop to be the j5 th symbol in the time unit n + 1;
wherein n represents a time unit in which the uplink transmission is located;
j4＝max{0,i+floor(N symb /2)+N regap -N1}；
j5＝i+floor(N symb /2)；
i denotes a start symbol of the uplink transmission.
29. The apparatus of claim 23, further comprising:
a fifth determining module for
In the case of (1):
if the symbol corresponding to the radio frequency readjustment time is contained in the last N of the first hop of the uplink transmission regap Determining the position of a first demodulation reference signal (DMRS) of a second hop to be kept unchanged;
or, if the symbol corresponding to the radio frequency retuning time is contained in the first N of the second hop of the uplink transmission regap Determining the position of the first DMRS of the second hop to be a j6 th symbol;
or, if the DMRS at the radio frequency retuning time contains the last M1 symbols of the first hop of the uplink transmission and contains the first M1 symbols of the second hop, determining the position of the first DMRS of the second hop to be the j7 symbol;
wherein j6 is j5+ N regap ；
30. The apparatus of claim 29, further comprising:
a second processing module, configured to abandon transmission of the additional DMRS in the second hop if the transmission length of the second hop after the radio frequency retuning time is removed is less than or equal to the first symbol interval;
wherein the first symbol interval is a symbol interval between the configured first DMRS and an additional DMRS.
31. The apparatus of claim 19, wherein the first processing module is configured to determine not to perform frequency hopping if at least one symbol in the configured resource of the second hop of the uplink transmission is not available for use by the uplink transmission.
32. The apparatus of claim 31, further comprising:
a third processing module to perform a first behavior, the first behavior comprising at least one of:
abandoning the transmission of the first hop and the second hop of the uplink transmission;
abandoning the transmission of the second hop;
and expecting that the resource of the second hop is overlapped with other resources, wherein the other resources are resources except the resource of the second hop in the resources configured by the network.
33. The apparatus of claim 19, further comprising:
a first sending module, configured to send indication information, where the indication information is used to indicate whether frequency hopping within a time unit is performed when the capability reduction terminal configures frequency hopping.
34. The apparatus of claim 33,
and under the condition that the indication information indicates that the frequency hopping within the time slot is executed, the indication information is also used for indicating the frequency domain interval between the first hop and the second hop and the starting resource position of the second hop.
35. The apparatus of claim 33, the indication information is carried by a DMRS sequence located in a fixed location on a PUCCH or PUSCH transmission resource;
or, reserving or puncturing specific resources in the first hop of the uplink transmission, where the indication information is carried by the specific resources.
36. The apparatus of claim 19, wherein the radio frequency retune time is related to at least one of:
the capability of the capability-degrading terminal;
subcarrier spacing used for uplink transmission;
and transmitting corresponding transmission content in an uplink.
37. A terminal comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing the steps of the frequency hopping processing method of any one of claims 1 to 18.
38. A readable storage medium on which a program or instructions are stored which, when executed by a processor, carry out the steps of the frequency hopping processing method of any one of claims 1 to 18.
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| CN202110292013.0A CN115133954B (en) | 2021-03-18 | 2021-03-18 | Frequency hopping processing method, device and terminal |
| PCT/CN2022/080417 WO2022194055A1 (en) | 2021-03-18 | 2022-03-11 | Frequency hopping processing method and device, and terminal |
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| CN202110292013.0A CN115133954B (en) | 2021-03-18 | 2021-03-18 | Frequency hopping processing method, device and terminal |
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| CN111034320A (en) * | 2017-06-13 | 2020-04-17 | 苹果公司 | Enhancements for scheduling and HARQ-ACK feedback for URLLC, multiplexing scheme for control/data channels and DM-RS for NR, and activation mechanism, scheduling aspects and Synchronization Signal (SS) blocks for New Radio (NR) systems with multiple Bandwidth partitions (BWPs) |
| US20200383144A1 (en) * | 2017-08-08 | 2020-12-03 | Samsung Electronics Co., Ltd. | Methods and apparatus for transmitting and receiving uplink control information and for requesting random access in wireless communication system |
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| US11637593B2 (en) * | 2015-07-09 | 2023-04-25 | Qualcomm Incorporated | Machine type communication (MTC) configuration, interference management, and retuning time for uplink transmissions |
| CN112020144B (en) * | 2019-05-30 | 2022-09-02 | 华为技术有限公司 | Method and equipment for determining resources of asynchronous physical uplink shared channel |
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| US20180070313A1 (en) * | 2011-12-16 | 2018-03-08 | Samsung Electronics Co., Ltd. | Communication support for low capability devices |
| CN109565818A (en) * | 2016-08-03 | 2019-04-02 | 日本电气株式会社 | The communication system of ability is resetted for handling multiple user equipment uplink frequencies |
| CN111034320A (en) * | 2017-06-13 | 2020-04-17 | 苹果公司 | Enhancements for scheduling and HARQ-ACK feedback for URLLC, multiplexing scheme for control/data channels and DM-RS for NR, and activation mechanism, scheduling aspects and Synchronization Signal (SS) blocks for New Radio (NR) systems with multiple Bandwidth partitions (BWPs) |
| US20200383144A1 (en) * | 2017-08-08 | 2020-12-03 | Samsung Electronics Co., Ltd. | Methods and apparatus for transmitting and receiving uplink control information and for requesting random access in wireless communication system |
| CN109565661A (en) * | 2018-10-30 | 2019-04-02 | 北京小米移动软件有限公司 | Data transmission method, device and readable storage medium storing program for executing |
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| CN115133954B (en) | 2023-06-20 |
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