CN115133954B - Frequency hopping processing method, device and terminal - Google Patents
Frequency hopping processing method, device and terminal Download PDFInfo
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- CN115133954B CN115133954B CN202110292013.0A CN202110292013A CN115133954B CN 115133954 B CN115133954 B CN 115133954B CN 202110292013 A CN202110292013 A CN 202110292013A CN 115133954 B CN115133954 B CN 115133954B
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Abstract
The application discloses a frequency hopping processing method, a 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 frequency hopping is configured 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, 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 a number of symbols occupied by uplink transmission, a radio frequency retune 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 method, an apparatus, and a terminal for processing frequency hopping.
Background
In the related art, in order for a reduced capability terminal (Reduced Capability, redCap device/UE) device to effectively coexist with a non-reduced capability terminal (non-RedCap) on the same frequency band, to improve the frequency resource utilization and obtain the frequency diversity gain, the RedCap device needs to be able to transmit uplink and downlink data in a wider bandwidth, that is, in a bandwidth exceeding its maximum bandwidth capability, and measure the same. Accordingly, there is a need to define radio frequency (RF retuning) times for a RedCap device in a wider bandwidth, i.e., retuning the radio frequency center frequency of the RedCap device so that it transmits and receives data/signals within a narrow band that does not exceed its maximum bandwidth at a given time. However, when the radio frequency retune time is included in the transmission length of the uplink signal, the performance loss caused by the radio frequency retune time is even greater than the gain obtained by frequency hopping, and it is difficult to ensure the frequency hopping gain.
Disclosure of Invention
The embodiment of the application provides a frequency hopping processing method, a device and a terminal, which can solve the problem of how to guarantee the frequency hopping gain of the terminal with reduced capability.
In a first aspect, a frequency hopping processing method is provided, including:
under the condition that the terminal frequency hopping is configured 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, 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 a number of symbols occupied by uplink transmission, a radio frequency retune time, and resources allocated to the uplink transmission.
In a second aspect, there is provided a frequency hopping processing device including:
the first processing module is used for determining whether to execute frequency hopping according to the first information under the condition that the terminal frequency hopping is configured and the frequency hopping interval is larger than the first frequency value;
the terminal is a capacity reduction 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 a number of symbols occupied by uplink transmission, a radio frequency retune time, and resources allocated to the uplink transmission.
In a third aspect, there is provided a terminal comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction when executed by the processor implementing the steps of the method according to the first aspect.
In a fourth aspect, a terminal is provided, including a processor and a communication interface, where the processor is configured to determine, according to first information, whether to perform frequency hopping when a terminal frequency hopping is configured and a frequency hopping interval is greater than a first frequency value;
the terminal is a capacity reduction 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 a number of symbols occupied by uplink transmission, a radio frequency retune time, and resources allocated to the uplink transmission.
In a fifth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor realizes the steps of the method according to the first aspect.
In a sixth aspect, there is provided a chip comprising a processor and a communication interface coupled to the processor for running a program or instructions to implement the method of the first aspect.
In a seventh aspect, a computer program/program product is provided, the computer program/program product being stored in a non-volatile storage medium, the program/program product being executed by at least one processor to implement the steps of the frequency hopping processing method as described in 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 larger than the first frequency value, the capability-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 readjustment time and the resources allocated to the uplink transmission, so as to reduce the influence of the radio frequency readjustment time on frequency hopping effective information, and further be beneficial to ensuring the frequency hopping gain.
Drawings
FIG. 1 illustrates a block diagram of a communication system to which embodiments of the present application may be applied;
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 schemes of the embodiments of the present application;
FIG. 4 shows a second exemplary frequency hopping scheme 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 frequency hopping scheme according to an embodiment of the present application;
FIG. 7 shows a fifth exemplary frequency hopping scheme in accordance with 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 frequency hopping scheme of an embodiment of the present application;
fig. 11 is a schematic block diagram of a frequency hopping processing device according to an embodiment of the present application;
fig. 12 shows a block diagram of a communication device according to an embodiment of the present application;
fig. 13 shows a block diagram of a terminal according to an embodiment of the present application.
Detailed Description
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. 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 the protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects 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 sequences other than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally intended to be used in a generic sense and not to limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.
It is noted that the techniques described in embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (Time Division Multiple Access, TDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA), single-carrier frequency division multiple access (Single-carrier Frequency-Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in embodiments of the present application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radiosTechniques. The following description describes a New air interface (NR) system for purposes of example and uses NR terminology in much of the description that follows, but these techniques are also applicable to applications other than NR system applications, such as generation 6 (6) th Generation, 6G) communication system.
Fig. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may also be referred to as a terminal Device or a User Equipment (UE), the terminal 11 may be a mobile phone, a Tablet Computer (Tablet Computer), a Laptop (Laptop Computer), a personal digital assistant (Personal Digital Assistant, PDA), a palm Computer, a netbook, an ultra-mobile personal Computer (UMPC), a mobile internet Device (Mobile Internet Device, MID), a Wearable Device (VUE), a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), or other terminal-side devices, and the Wearable Device includes: smart watches, bracelets, headphones, eyeglasses, etc. Note that, the specific type of the terminal 11 is not limited in the embodiment of the present application. 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 (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a node B, an evolved node B (eNB), a home node B, a home evolved node B, a WLAN access point, a WiFi node, a transmission and reception point (Transmitting Receiving Point, TRP), or some other suitable terminology in the field, and 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 a base station in the NR system is taken as an example, but the specific type of the base station is not limited thereto.
The following describes in detail the frequency hopping processing method provided in the embodiments of the present application through some embodiments and application scenarios thereof with reference to the accompanying drawings.
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 frequency hopping is configured 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 capability-reduced terminal (also referred to as a capability-reduced terminal), the first frequency value is determined according to a maximum working bandwidth that can be supported by the terminal 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 can be supported by the terminal and the number of resource blocks occupied by uplink transmission, for example, the maximum working bandwidth that can be supported by the terminal is 20MHz;
the first information includes at least one of a number of symbols occupied by uplink transmission, a radio frequency retune time, and resources allocated to the uplink transmission.
The frequency hopping comprises at least one of frequency hopping in time units and frequency hopping among 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.
In this embodiment, when the RedCap device performs uplink transmission on a relatively wide bandwidth portion (BWP) such as a bandwidth portion greater than 20MHz, the length of the radio frequency retune time required for uplink transmission in different bandwidths is defined as N regap Symbols N regap ≥1。
The radio frequency retune time is related to at least one of:
the capability drops the capability of the terminal;
subcarrier spacing used for uplink transmission;
and transmitting corresponding transmission content in an uplink mode.
According to the frequency hopping processing method, under the condition that terminal frequency hopping is configured and the frequency hopping interval is larger than the first frequency value, the capability-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 readjustment time and the resources allocated to the uplink transmission, so that the influence of the radio frequency readjustment time on frequency hopping effective information is reduced, and further the frequency hopping gain is guaranteed.
Optionally, as a first implementation manner, the determining, by the terminal, whether to perform frequency hopping according to the first information includes:
at N symb +N regap Under the condition of less than or equal to N1, determining frequency hopping in an execution time unit, wherein the time unit is 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the rf retune time is represented, and N1 represents the number of symbols included in the time unit, for example, n1=14.
Here, for the frequency hopping in the above time unit, the terminal expects or the network must guarantee N symb +N regap And less than or equal to N1, otherwise, the terminal determines that the network is scheduled or configured by the wrong network.
Further optionally, the method of the present application further comprises:
according to N symb And N regap Determining a start symbol j1 of the second hop;
wherein j1 = i + floor (N symb /2)+N regap I represents the start symbol of the uplink transmission.
As shown in fig. 3, for the terminal capability reduction device, PUCCH format1 with 10 symbols is transmitted, and a radio frequency retune time is required in a large bandwidth (e.g. greater than 20 MHz), where the radio frequency retune time N regap Occupy 4 symbols, i.e. N regap 4, the initial symbol of the uplink transmission is symbol 0, i.e. i=0, and the number of symbols occupied by the uplink transmission is 10, i.e. N symb 10 and N1 is 14, at this time, N symb +N regap =14+.n1, then frequency hopping within the slot is performed. The transmissions corresponding to the symbols 0 to 4 are the first hops, and the transmissions corresponding to the symbols 9 to 13 are the second hops.
Optionally, as a second implementation manner, the determining, by the terminal, whether to perform frequency hopping according to the first information includes:
At N symb +N regap In the case of > N1, the terminal determines not to perform frequency hopping or to perform frequency hopping between time units or to perform frequency hopping within time unitsFrequency hopping, wherein the time unit is 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retune 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 Equal to 4, N symb +N regap =14+4=18 > 14, the terminal determines not to perform frequency hopping.
Further optionally, in this implementation manner, the determining, by the terminal, frequency hopping in the execution time unit includes:
in floor (N) symb /2)+N regap <Under the condition of N1, the terminal determines frequency hopping in an execution time unit;
alternatively, in
In the case where the terminal determines the frequency hopping in the execution time unit, Y is configured by a higher layer.
For example, Y is equal to 1/7 or 2/7.
On the basis, the method of the embodiment of the application further comprises the following steps:
in floor (N) symb /2)+N regap <In the case of N1, determining the start symbol of the second hop as the j2 nd symbol in time unit N;
Wherein n represents a time unit where the uplink transmission is located;
j2＝i+floor(N symb /2)+N regap ；
i represents the start symbol of the uplink transmission.
The method of the embodiment of the application further comprises the following steps:
at the position of
In the case of (2), determining the start symbol of the second hop as the j3 rd symbol in time unit n;
j3＝i+floor(N symb and/2), i represents a start symbol of the uplink transmission.
Optionally, in this implementation manner, the determining by the terminal that frequency hopping is not performed includes:
discarding frequency hopping in case the allocated transmission length of the second hop is smaller than the first value;
or alternatively, the process may be performed,
in the case of (2), frequency hopping is not 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.
Alternatively, for PUSCH using a discrete fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM) waveform, the first value is equal to 2;
for PUSCH using a cyclic prefix orthogonal frequency division multiplexing (CP-OFDM) waveform, the 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 is equal to 1 if the PUCCH format is 0 or 2.
Optionally, in this implementation, the determining, by the terminal, to perform frequency hopping between time units includes:
At the position of
In the case of (2), the terminal determines to perform frequency hopping between time units.
Further, in the case of performing frequency hopping between time units, the method of the embodiment of the present application further includes:
determining the initial symbol of the second hop as the j4 th symbol in the time unit n+1;
alternatively, the start symbol of the second hop is determined to be the j5 th symbol in time unit n+1;
wherein n represents a time unit where the uplink transmission is located;
j4＝max{0,i+floor(N symb /2)+N regap -N1}；
j5＝i+floor(N symb /2)；
i represents the start symbol of the uplink transmission.
As shown in fig. 5, for the RedCap device, assume N regap =4, if N symb +N regap ＝14+4＝18>14, then perform inter-slot frequency hopping, the start symbol of the second hop is symbol j4 of slot# (n+1), j4 = 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 slot n+ 1.
As shown in fig. 6, for the RedCap device, assume N regap =4, if N symb +N regap ＝14+4＝18>14, performing inter-slot frequency hopping, wherein the start symbol of the second hop is the symbol j5 of slot# (n+1), and j5 = i+floor (N) symb 2) =0+floor (14/2) =7, i.e. the starting symbol of the second hop is the 7 th symbol of slot n+ 1.
Further optionally, at
Is that:
if the symbol corresponding to the RF retune time is contained in the last N of the first hop of the uplink transmission regap Determining that the position of the first demodulation reference signal (DMRS) of the second hop is unchanged;
or if the symbol corresponding to the RF readjustment time is included in the first N of the second hop of the uplink transmission regap Determining the position of the first DMRS of the second hop as a j6 th symbol;
or if the radio frequency retune time includes the last M1 symbols of the first hop of the uplink transmission and includes the first M1 symbols of the second hop, determining that the position of the first DMRS of the second hop is the jth 7 symbols;
wherein, j6=j5+n regap ；
Further, the method of the embodiment of the application further comprises the following steps:
if the transmission length after the second hop is less than or equal to the first symbol interval, discarding the transmission of 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 =2, pusch transmission occupies 14 symbols, N symb =14, y=2/7, if the symbol corresponding to the radio frequency retune time includes the last 2 symbols of the first hop of the uplink transmission, the position of the first DMRS of the second hop is not affected.
As shown in fig. 8, assume N regap =2, pusch transmission occupies 14 symbols, N symb If the symbol corresponding to the radio frequency retune time includes the first 2 symbols of the second hop of the uplink transmission, the position of the first DMRS of the second hop is the 9 th symbol, and the transmission length after the second hop removes the radio frequency retune time is 7-2=5 > 4, the additional DMRS (additional DMRS) originally scheduled or configured is reserved.
As shown in fig. 9, 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 includes the first 4 symbols of the second hop of the uplink transmission, the position of the first DMRS of the second hop is 11 th symbol, and the transmission length after the radio frequency retuning time is removed by the second hop is 7-4=3 > 4, then the additional DMRS symbols originally scheduled or configured are removed.
As shown in fig. 10, PUSCH transmission occupies 14 symbols, N symb If the number of symbols required for the rf overlap time is 4, and the rf retune time includes the last 2 symbols of the first hop of the uplink transmission and the first 2 symbols of the second hop of the uplink transmission, =14, y=2/7The 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 retuning time is removed is 7-2=5 > 4, so that the additional DMRS originally scheduled or configured is reserved.
As a third alternative implementation manner, the determining, by the terminal, whether to perform frequency hopping according to the first information includes:
at least one symbol in the configuration resources of the second hop of the uplink transmission is not available for use by the uplink transmission (i.e., at least one symbol in the configuration resources of the second hop is semi-statically configured downlink transmission, SSB, and/or occupied by other higher priority transmissions), then it is determined that frequency hopping is not performed.
Here, not performing frequency hopping means performing uplink transmission without frequency hopping.
Further, in this implementation manner, the method further includes:
executing a first behavior, the first behavior comprising at least one of:
discarding transmissions of the first and second hops of the uplink transmission;
discarding the transmission of the second hop;
the resources of the second hop are not expected to overlap with other resources, which are resources of the network configuration other than the resources of the second hop, i.e. the network should ensure that the configuration resources of the second hop do not conflict with other configuration resources.
Optionally, the method of the embodiment of the present application further includes:
and sending indication information, wherein the indication information is used for indicating whether frequency hopping in a time unit is executed or not under the condition that the capacity reduction terminal configures frequency hopping.
In the embodiment of the present application, the indication information may be carried through PUCCH or PUSCH.
Optionally, in a case where 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 position of the second hop.
Further optionally, the indication information is carried by a DMRS sequence, where the DMRS sequence is located at a fixed location of a PUCCH or PUSCH transmission resource, for example, the fixed location is the first DMRS location of the first hop defined in protocol 38.211;
or reserving or punching a specific resource in the first hop of the uplink transmission, wherein the indication information is carried by the specific resource.
In the embodiment of the application, through the indication information, the network can identify the RedCap and the non-RedCap equipment at an early stage when the network is initially accessed, and can play a role in 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 adopt or not adopt frequency hopping mechanisms in large bandwidths according to network configuration or protocol convention, and different PUCCH formats and/or different uplink control information carried by the PUCCH may be predetermined to adopt or not adopt frequency hopping mechanisms in different large bandwidths according to network configuration or protocol.
According to the frequency hopping processing method, under the condition that terminal frequency hopping is configured and the frequency hopping interval is larger than the first frequency value, the capability-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 readjustment time and the resources allocated to the uplink transmission, so that the influence of the radio frequency readjustment time on frequency hopping effective information is reduced, and further the frequency hopping gain is guaranteed.
It should be noted that, in the frequency hopping processing method provided in the embodiment of the present application, the execution body may be a frequency hopping processing device, or a control module in the frequency hopping processing device for executing the frequency hopping processing method. In the embodiment of the present application, a method for executing a frequency hopping processing by a frequency hopping processing device is taken as an example, and the frequency hopping processing device 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 device 1100, including:
a first processing module 1101, configured to determine whether to perform frequency hopping according to the first information when the terminal frequency hopping is configured and the frequency hopping interval is greater than the first frequency value;
the terminal is a capacity reduction 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 a number of symbols occupied by uplink transmission, a radio frequency retune time, and resources allocated to the uplink transmission.
Optionally, the apparatus of the embodiment of the present application further includes: and a sixth determining module, configured to determine whether the frequency hopping interval is greater than the first frequency value.
Optionally, the first processing module is configured to perform a processing on the data in N symb +N regap Under the condition of less than or equal to N1, determining frequency hopping in an execution time unit, wherein the time unit is 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retune time is represented, and N1 represents the number of symbols contained in the time unit.
Optionally, the apparatus of the embodiment of the present application further includes:
a first determining module for determining, according to N symb And N regap Determining a start symbol j1 of the second hop;
wherein j1 = i + floor (N symb /2)+N regap I represents the start symbol of the uplink transmission.
Optionally, the first processing module is configured to perform a processing on the data in N symb +N regap Under the condition of more than N1, the terminal determines that frequency hopping is not executed or frequency hopping among time units is executed or frequency hopping in the time units is executed, 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retune time is represented, and N1 represents the number of symbols contained in the time unit.
Optionally, the first processing module is configured to perform a processing on floor (N symb /2)+N regap <Under the condition of N1, the terminal determines frequency hopping in an execution time unit;
alternatively, in
In the case where the terminal determines the frequency hopping in the execution time unit, Y is configured by a higher layer.
Optionally, the apparatus of the embodiment of the present application further includes:
a second determining module for determining the difference between the floor (N) symb /2)+N regap <In the case of N1, determining the start symbol of the second hop as the j2 nd symbol in time unit N;
wherein n represents a time unit where the uplink transmission is located;
j2＝i+floor(N symb /2)+N regap ；
i represents the start symbol of the uplink transmission.
Optionally, the apparatus of the embodiment of the present application further includes:
a third determining module for, in the following
In the case of (2), determining the start symbol of the second hop as the j3 rd symbol in time unit n;
j3＝i+floor(N symb and/2), i represents a start symbol of the uplink transmission.
Optionally, the first processing module is configured to discard frequency hopping if the transmission length of the allocated second hop is smaller than the first value;
or alternatively, the process may be performed,
in the case of (2), frequency hopping is not 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 configured to, in the following
In the case where the terminal determines to perform frequency hopping between time units, Y is configured by a higher layer.
Optionally, the apparatus of the embodiment of the present application further includes:
a fourth determining module, configured to determine, in a case where frequency hopping between time units is performed, that a start symbol of the second hop is a jth 4 symbol in the time unit n+1;
alternatively, the start symbol of the second hop is determined to be the j5 th symbol in time unit n+1;
wherein n represents a time unit where the uplink transmission is located;
j4＝max{0,i+floor(N symb /2)+N regap -N1}；
j5＝i+floor(N symb /2)；
i represents the start symbol of the uplink transmission.
Optionally, the apparatus of the embodiment of the present application further includes:
a fifth determining module for, in
Is that:
if the symbol corresponding to the RF retune time is contained in the last N of the first hop of the uplink transmission regap Determining that the position of the first demodulation reference signal (DMRS) of the second hop is unchanged;
or if the symbol corresponding to the RF readjustment time is included in the first N of the second hop of the uplink transmission regap Determining the position of the first DMRS of the second hop as a j6 th symbol;
or, if the radio frequency retune time includes the last M1 symbols of the first hop of the uplink transmission and includes the first M1 symbols of the second hop, determining that the position of the first DMRS of the second hop is the jth 7 symbols;
wherein, j6=j5+n regap ；
Optionally, the apparatus of the embodiment of the present application further includes:
a second processing module, configured to discard the transmission of the additional DMRS in the second hop if the transmission length after the second hop removes the radio frequency retune time 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 that frequency hopping is not performed if at least one symbol in the configuration resource of the second hop of the uplink transmission is unavailable for use by the uplink transmission.
Optionally, the apparatus of the embodiment of the present application further includes:
a third processing module for executing a first behavior, the first behavior comprising at least one of:
discarding transmissions of the first and second hops of the uplink transmission;
discarding the transmission of the second hop;
The resources of the second hop are not expected to overlap with other resources, which are other than the resources of the second hop, of the resources of the network configuration.
Optionally, the apparatus of the embodiment of the present application further includes:
and the first sending module is used for sending indication information, wherein the indication information is used for indicating whether frequency hopping in a time unit is executed or not under the condition that the capacity reduction terminal is configured with frequency hopping.
Optionally, in a case where 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 position of the second hop.
Optionally, the indication information is carried through a DMRS sequence, where the DMRS sequence is located at a fixed position of a PUCCH or PUSCH transmission resource;
or reserving or punching a specific resource in the first hop of the uplink transmission, wherein the indication information is carried by the specific resource.
Optionally, the radio frequency retune time is related to at least one of:
the capability drops the capability of the terminal;
subcarrier spacing used for uplink transmission;
and transmitting corresponding transmission content in an uplink mode.
The device provided in the embodiment of the present application can implement each process implemented by the embodiments of the methods of fig. 2 to 10, and achieve the same technical effects, so that repetition is avoided, and no further description is provided herein.
The frequency hopping processing device in the embodiment of the present application may be a device, a device with 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. By way of example, mobile terminals may include, but are not limited to, the types of terminals 11 listed above, and non-mobile terminals may be servers, network attached storage (Network Attached Storage, NAS), personal computers (personal computer, PCs), televisions (TVs), teller machines, self-service machines, etc., and embodiments of the present application are not limited in detail.
Optionally, as shown in fig. 12, the embodiment of the present application further provides a communication device 1200, including a processor 1201, a memory 1202, and a program or an instruction stored in the memory 1202 and capable of being executed on the processor 1201, where, for example, when the communication device 1200 is a terminal, the program or the instruction is executed by the processor 1201 to implement each process of the foregoing embodiment of the frequency hopping processing method applied to the terminal, and the same technical effects can be achieved, and will not be repeated herein.
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 first information when 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 reduction 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 a number of symbols occupied by uplink transmission, a radio frequency retune time, and resources allocated to the uplink transmission. The terminal embodiment corresponds to the terminal-side method embodiment, and each implementation process and implementation manner of the method embodiment are applicable to the terminal embodiment and can achieve the same technical effects. Specifically, fig. 13 is a schematic hardware structure of a terminal implementing an embodiment of the present application, where the terminal 1300 includes, but is not limited to: at least some of the components of the radio frequency unit 1301, the network module 1302, the audio output unit 1303, the input unit 1304, the sensor 1305, the display unit 1306, the user input unit 1307, the interface unit 1308, the memory 1309, the processor 1310, and the like.
Those skilled in the art will appreciate that the terminal 1300 may further include a power source (e.g., a battery) for supplying power to the various components, and the power source may be logically connected to the processor 1310 through a power management system, so as to perform functions of managing charging, discharging, and power consumption management through 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 shown, or may combine certain components, or may be arranged in different components, which will not be described in detail herein.
It should be appreciated that in embodiments of the present application, the input unit 1304 may include a graphics processor (Graphics Processing Unit, GPU) 13041 and a microphone 13042, the graphics processor 13041 processing image data of still pictures or video obtained by an image capturing device (e.g., 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. The touch panel 13071 is also referred to as a touch screen. The touch panel 13071 can 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, a joystick, and so forth, which are not described in detail herein.
In this embodiment of the present application, after receiving downlink data from a network side device, the radio frequency unit 1301 processes the downlink data with the processor 1310; in addition, the uplink data is sent to the network side equipment. Typically, the 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.
The processor 1310 may include one or more processing units; alternatively, processor 1310 may integrate an application processor that primarily processes operating systems, user interfaces, and applications or instructions, etc., with a modem processor that primarily processes 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 determine, when the terminal frequency hopping is configured and the frequency hopping interval is greater than the first frequency value, whether to perform frequency hopping according to the first information;
the terminal is a capacity reduction 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 a number of symbols occupied by uplink transmission, a radio frequency retune time, and resources allocated to the uplink transmission.
Optionally, the processor 1310 is further configured to, in N symb +N regap Under the condition of less than or equal to N1, determining frequency hopping in an execution time unit, wherein the time unit is 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retune time is represented, and N1 represents the number of symbols contained in the time unit.
Optionally, the processor 1310 is further configured to, according to N symb And N regap Determining a start symbol j1 of the second hop;
wherein j1 = (i+floor (N) symb /2))+N regap I represents the start symbol of the uplink transmission.
Optionally, the processor 1310 is further configured to, in N symb +N regap Under the condition of more than N1, the terminal determines that frequency hopping is not executed or frequency hopping among time units is executed or frequency hopping in the time units is executed, 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retune time is represented, and N1 represents the number of symbols contained in the time unit.
Optionally, the processor 1310 is further configured to perform a logic operation in floor (N symb /2)+N regap <Under the condition of N1, the terminal determines frequency hopping in an execution time unit;
alternatively, in
In the case where the terminal determines the frequency hopping in the execution time unit, Y is configured by a higher layer.
Optionally, the processor 1310,also used in floor (N) symb /2)+N regap <In the case of N1, determining the start symbol of the second hop as the j2 nd symbol in time unit N;
Wherein n represents a time unit where the uplink transmission is located;
j2＝(i+floor(N symb /2))+N regap ；
i represents the start symbol of the uplink transmission.
Optionally, the processor 1310 is further configured to, in
In the case of (2), determining the start symbol of the second hop as the j3 rd symbol in time unit n;
j3＝(i+floor(N symb i represents the start symbol of the uplink transmission.
Optionally, the processor 1310 is further configured to discard frequency hopping if the transmission length of the allocated second hop is less than the first value;
or alternatively, the process may be performed,
in the case of (2), frequency hopping is not 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, in
In the case where the terminal determines to perform frequency hopping between time units, Y is configured by a higher layer.
Optionally, the processor 1310 is further configured to determine that a start symbol of the second hop is a jth 4 symbol in the time unit n+1;
alternatively, the start symbol of the second hop is determined to be the j5 th symbol in time unit n+1;
wherein n represents a time unit where the uplink transmission is located;
j4＝max{0,(i+floor(N symb /2))+N regap -N1)}；
j5＝(i+floor(N symb /2))；
i represents the start symbol of the uplink transmission.
Optionally, the processor 1310 is further configured to, in the alternative
Is that:
if the symbol corresponding to the RF retune time is contained in the last N of the first hop of the uplink transmission regap Determining that the position of the first demodulation reference signal (DMRS) of the second hop is unchanged;
or if the symbol corresponding to the RF readjustment time is included in the first N of the second hop of the uplink transmission regap Determining the position of the first DMRS of the second hop as a j6 th symbol;
or if the radio frequency retune time includes the last M1 symbols of the first hop of the uplink transmission and includes the first M1 symbols of the second hop, determining that the position of the first DMRS of the second hop is the jth 7 symbols;
wherein, j6=j5+n regap ；
Optionally, the processor 1310 is further configured to discard the transmission of the additional DMRS in the second hop if the transmission length after the second hop excluding the radio frequency retune time 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 that frequency hopping is not performed if at least one symbol in the configuration resource of the second hop of the uplink transmission is not available for the uplink transmission.
Optionally, the processor 1310 is further configured to execute a first behavior, where the first behavior includes at least one of:
discarding transmissions of the first and second hops of the uplink transmission;
discarding the transmission of the second hop;
the resources of the second hop are not expected to overlap with other resources, which are other than the resources of the second hop, of the resources of the network configuration.
Optionally, the processor 1310 is further configured to send, through a transceiver, indication information, where the indication information is used to indicate whether frequency hopping in a time unit is performed in a case where the capability-reduced terminal configures frequency hopping.
Optionally, in a case where 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 position of the second hop.
Optionally, the indication information is carried through a DMRS sequence, where the DMRS sequence is located at a fixed position of a PUCCH or PUSCH transmission resource;
or reserving or punching a specific resource in the first hop of the uplink transmission, wherein the indication information is carried by the specific resource.
Optionally, the radio frequency retune time is related to at least one of:
The capability drops the capability of the terminal;
subcarrier spacing used for uplink transmission;
and transmitting corresponding transmission content in an uplink mode.
In the embodiment of the present application, when the terminal frequency hopping is configured and the frequency hopping interval is greater than the first frequency value, the capability-reduced terminal determines whether to perform 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 the frequency hopping effective information, and further facilitate ensuring the frequency hopping gain.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the processes of the foregoing embodiments of the frequency hopping processing method are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
Wherein the processor is a 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 (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is configured to run a program or an instruction, implement each process of the above-mentioned frequency hopping processing method embodiment, and achieve the same technical effect, so as to avoid repetition, and not be repeated here.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.
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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (38)
1. A frequency hopping processing method, comprising:
under the condition that the terminal frequency hopping is configured 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, 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 a number of symbols occupied by uplink transmission, a radio frequency retune time, and resources allocated to the uplink transmission.
2. The method of claim 1, wherein the terminal determining whether to perform frequency hopping based on the first information comprises:
at N symb +N regap Under the condition of less than or equal to N1, determining frequency hopping in an execution time unit, wherein the time unit is 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retune time is represented, and N1 represents the number of symbols contained in the time unit.
3. The method as recited in claim 2, further comprising:
according to N symb And N regap Determining a start symbol j1 of the second hop;
Wherein j1 = i + floor (N symb /2)+N regap I represents the start symbol of the uplink transmission.
4. The method of claim 1, wherein the terminal determining whether to perform frequency hopping based on the first information comprises:
at N symb +N regap Under the condition of more than N1, the terminal determines that frequency hopping is not executed or frequency hopping among time units is executed or frequency hopping in the time units is executed, 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retune 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 the frequency hopping within the execution time unit comprises:
in floor (N) symb /2)+N regap <Under the condition of N1, the terminal determines frequency hopping in an execution time unit;
alternatively, in
In the case where the terminal determines the frequency hopping in the execution time unit, Y is configured by a higher layer.
6. The method as recited in claim 5, further comprising:
in floor (N) symb /2)+N regap <In the case of N1, determining the start symbol of the second hop as the j2 nd symbol in time unit N;
wherein n represents a time unit where the uplink transmission is located;
j2＝i+floor(N symb /2)+N regap ；
i represents the start symbol of the uplink transmission.
7. The method as recited in claim 5, further comprising:
at the position of
In the case of (2), determining the start symbol of the second hop as the j3 rd symbol in time unit n;
j3＝i+floor(N symb and/2), i represents a start symbol of the uplink transmission.
8. The method of claim 4, wherein the terminal determining not to perform frequency hopping comprises:
discarding frequency hopping in case the allocated transmission length of the second hop is smaller than the first value;
or alternatively, the process may be performed,
in the case of (2), frequency hopping is not 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 frequency hopping between time units comprises:
at the position of
In the case where the terminal determines to perform frequency hopping between time units, Y is configured by a higher layer.
10. The method of claim 4, wherein in the case of performing frequency hopping between time units, further comprising:
determining the initial symbol of the second hop as the j4 th symbol in the time unit n+1;
alternatively, the start symbol of the second hop is determined to be the j5 th symbol in time unit n+1;
Wherein n represents a time unit where the uplink transmission is located;
j4＝max{0,i+floor(N symb /2)+N regap -N1}；
j5＝i+floor(N symb /2)；
i represents the start symbol of the uplink transmission.
11. The method according to claim 5, wherein, in the following steps
Is that:
if the symbol corresponding to the RF retune time is contained in the last N of the first hop of the uplink transmission regap Determining that the position of the first demodulation reference signal (DMRS) of the second hop is unchanged;
or if the symbol corresponding to the RF readjustment time is included in the first N of the second hop of the uplink transmission regap Determining the position of the first DMRS of the second hop as a j6 th symbol;
or if the radio frequency retune time includes the last M1 symbols of the first hop of the uplink transmission and includes the first M1 symbols of the second hop, determining that the position of the first DMRS of the second hop is the jth 7 symbols;
wherein, j6=j5+n regap ；
The start symbol of the second hop is the j5 th symbol in time unit n+1.
12. The method as recited in claim 11, further comprising:
if the transmission length after the second hop is less than or equal to the first symbol interval, discarding the transmission of 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 determining whether to perform frequency hopping based on the first information comprises:
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 that frequency hopping is not performed.
14. The method as recited in claim 13, further comprising:
executing a first behavior, the first behavior comprising at least one of:
discarding transmissions of the first and second hops of the uplink transmission;
discarding the transmission of the second hop;
the resources of the second hop are not expected to overlap with other resources, which are other than the resources of the second hop, of the resources of the network configuration.
15. The method as recited in claim 1, further comprising:
and sending indication information, wherein the indication information is used for indicating whether frequency hopping in a time unit is executed or not under the condition that the capacity reduction terminal configures frequency hopping.
16. The method of claim 15, wherein the step of determining the position of the probe 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 position of the second hop, in case the indication information indicates that intra-slot frequency hopping is performed.
17. The method of claim 15, the indication information is carried by a DMRS sequence located at a fixed location of a PUCCH or PUSCH transmission resource;
or reserving or punching a specific resource in the first hop of the uplink transmission, wherein the indication information is carried by the specific resource.
18. The method of claim 1, wherein the radio frequency retune time is related to at least one of:
the capability drops the capability of the terminal;
subcarrier spacing used for uplink transmission;
and transmitting corresponding transmission content in an uplink mode.
19. A frequency hopping processing device, 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 frequency hopping is configured and the frequency hopping interval is larger than the first frequency value;
the terminal is a capacity reduction 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 a number of symbols occupied by uplink transmission, a radio frequency retune time, and resources allocated to the uplink transmission.
20. The apparatus of claim 19, wherein the first processing module is configured to symb +N regap Under the condition of less than or equal to N1, determining frequency hopping in an execution time unit, wherein the time unit is 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retune time is represented, and N1 represents the number of symbols contained in the time unit.
21. The apparatus as recited in claim 20, further comprising:
a first determining module for determining, according to N symb And N regap Determining a start symbol j1 of the second hop;
wherein j1 = i + floor (N symb /2)+N regap I represents the start symbol of the uplink transmission.
22. The apparatus of claim 19, wherein the first processing module is configured to symb +N regap Under the condition of more than N1, the terminal determines that frequency hopping is not executed or frequency hopping among time units is executed or frequency hopping in the time units is executed, 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 Representing the number of symbols occupied by uplink transmission, N regap The number of symbols corresponding to the radio frequency retune time is represented, and N1 represents the number of symbols contained in the time unit.
23. The apparatus of claim 22, wherein the first processing module is configured to perform a processing in floor (N symb /2)+N regap <Under the condition of N1, the terminal determines frequency hopping in an execution time unit;
alternatively, in
Is the case of (2)Next, the terminal determines the frequency hopping within the execution time unit, Y being configured by a higher layer.
24. The apparatus as recited in claim 23, further comprising:
a second determining module for determining the difference between the floor (N) symb /2)+N regap <In the case of N1, determining the start symbol of the second hop as the j2 nd symbol in time unit N;
wherein n represents a time unit where the uplink transmission is located;
j2＝i+floor(N symb /2)+N regap ；
i represents the start symbol of the uplink transmission.
25. The apparatus as recited in claim 23, further comprising:
a third determining module for, in the following
In the case of (2), determining the start symbol of the second hop as the j3 rd symbol in time unit n;
j3＝i+floor(N symb and/2), i represents a start symbol of the uplink transmission.
26. The apparatus of claim 22, wherein the first processing module is configured to discard the frequency hopping if the transmission length of the allocated second hop is less than the first value;
or alternatively, the process may be performed,
in the case of (2), frequency hopping is not 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 according to claim 22, whereinThe first processing module is used for processing the data in the following way
In the case where the terminal determines to perform frequency hopping between time units, Y is configured by a higher layer.
28. The apparatus as recited in claim 22, further comprising:
a fourth determining module, configured to determine, in a case where frequency hopping between time units is performed, that a start symbol of the second hop is a jth 4 symbol in the time unit n+1;
alternatively, the start symbol of the second hop is determined to be the j5 th symbol in time unit n+1;
wherein n represents a time unit where the uplink transmission is located;
j4＝max{0,i+floor(N symb /2)+N regap -N1}；
j5＝i+floor(N symb /2)；
i represents the start symbol of the uplink transmission.
29. The apparatus as recited in claim 23, further comprising:
a fifth determining module for, in
Is that:
if the symbol corresponding to the RF retune time is contained in the last N of the first hop of the uplink transmission regap Determining that the position of the first demodulation reference signal (DMRS) of the second hop is unchanged;
or if the symbol corresponding to the RF readjustment time is included in the first N of the second hop of the uplink transmission regap Determining the position of the first DMRS of the second hop as a j6 th symbol;
Or, if the radio frequency retune time includes the last M1 symbols of the first hop of the uplink transmission and includes the first M1 symbols of the second hop, determining that the position of the first DMRS of the second hop is the jth 7 symbols;
wherein, j6=j5+n regap ；
The start symbol of the second hop is the j5 th symbol in time unit n+1.
30. The apparatus as recited in claim 29, further comprising:
a second processing module, configured to discard the transmission of the additional DMRS in the second hop if the transmission length after the second hop removes the radio frequency retune time 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 a configuration resource of a second hop of the uplink transmission is unavailable for use by the uplink transmission.
32. The apparatus as recited in claim 31, further comprising:
a third processing module for executing a first behavior, the first behavior comprising at least one of:
discarding transmissions of the first and second hops of the uplink transmission;
Discarding the transmission of the second hop;
the resources of the second hop are not expected to overlap with other resources, which are other than the resources of the second hop, of the resources of the network configuration.
33. The apparatus as recited in claim 19, further comprising:
and the first sending module is used for sending indication information, wherein the indication information is used for indicating whether frequency hopping in a time unit is executed or not under the condition that the capacity reduction terminal is configured with frequency hopping.
34. The apparatus of claim 33, wherein the device comprises a plurality of sensors,
the indication information is further used to indicate a frequency domain interval between the first hop and the second hop, and a starting resource position of the second hop, in case the indication information indicates that intra-slot frequency hopping is performed.
35. The apparatus of claim 33, the indication information is carried over a DMRS sequence located in a fixed position of a PUCCH or PUSCH transmission resource;
or reserving or punching a specific resource in the first hop of the uplink transmission, wherein the indication information is carried by the specific resource.
36. The apparatus of claim 19, wherein the radio frequency retune time is related to at least one of:
The capability drops the capability of the terminal;
subcarrier spacing used for uplink transmission;
and transmitting corresponding transmission content in an uplink mode.
37. A terminal comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, which when executed by the processor implements the steps of the frequency hopping processing method as claimed in any one of claims 1 to 18.
38. A readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the steps of the frequency hopping processing method of any 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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| Application Number | Priority Date | Filing Date | Title |
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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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| 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 |
| 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 |
| 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) |
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| US9144065B2 (en) * | 2011-12-16 | 2015-09-22 | Samsung Electronics Co., Ltd | Communication support for low capability devices |
| US11637593B2 (en) * | 2015-07-09 | 2023-04-25 | Qualcomm Incorporated | Machine type communication (MTC) configuration, interference management, and retuning time for uplink transmissions |
| US11272546B2 (en) * | 2017-08-08 | 2022-03-08 | Samsung Electronics Co., Ltd. | Methods and apparatus for transmitting and receiving uplink control information and for requesting random access in wireless communication system |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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) |
| 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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