CN113811001A

CN113811001A - Method and device for processing basic time unit and electronic equipment

Info

Publication number: CN113811001A
Application number: CN202010550082.2A
Authority: CN
Inventors: 李�根
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-12-17
Also published as: WO2021254314A1

Abstract

The application discloses a method and a device for processing a basic time unit and electronic equipment, and belongs to the technical field of communication. The processing method of the basic time unit is applied to the terminal, and the method comprises the following steps: determining a basic time unit and/or a reference constant according to at least one item of information, wherein the reference constant is the ratio of the basic time unit to a preset time unit: first information, wherein the first information comprises subcarrier spacing and/or an operating frequency band; the system information or the radio resource control RRC message is sent by the network side equipment, and the system information or the RRC message indicates the value of the basic time unit. According to the technical scheme, the basic time unit can meet the requirements of different scenes.

Description

Method and device for processing basic time unit and electronic equipment

Technical Field

The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for processing a basic time unit, and an electronic device.

Background

When a New air interface (NR) operates in a high frequency band (e.g., >52.6GHz), due to the requirement of large usable frequency bandwidth and coexistence with other technologies, at least a maximum bandwidth of 2GHz needs to be supported, so that the sampling frequency and the fast fourier transform (FFT size) are increased correspondingly, but the current basic time unit cannot meet the requirement.

Disclosure of Invention

The embodiment of the application provides a method and a device for processing a basic time unit and electronic equipment, which can enable the basic time unit to meet the requirements of different scenes.

In a first aspect, an embodiment of the present application provides a method for processing a basic time unit, which is applied to a terminal, and the method includes:

determining a basic time unit and/or a reference constant according to at least one item of information, wherein the reference constant is the ratio of the basic time unit to a preset time unit:

first information, wherein the first information comprises subcarrier spacing and/or an operating frequency band;

the system information or the radio resource control RRC message is sent by the network side equipment, and the system information or the RRC message indicates the value of the basic time unit.

In a second aspect, an embodiment of the present application provides an apparatus for processing a basic time unit, which is applied to a terminal, and the apparatus includes:

the determining module is used for determining a basic time unit and/or a reference constant according to at least one item of information, wherein the reference constant is the ratio of the basic time unit to a preset time unit:

In a third aspect, an embodiment of the present application further provides an electronic device, including a processor, a memory, and a program or instructions stored on the memory and executable on the processor, where the program or instructions, when executed by the processor, implement the steps of the method described above.

In a fourth aspect, embodiments of the present application provide a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method as described above.

In a fifth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the first aspect.

In the embodiment of the application, the value of the basic time unit can be determined according to the first information or the message sent by the network side device, and the first information comprises the subcarrier interval and the operating frequency band, so that the value of the basic time unit can be adjusted according to different scenes, the basic time unit meets the requirements of different scenes, and the problem of insufficient sampling frequency caused by the increase of the subcarrier interval is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 shows a schematic diagram of a wireless communication system;

fig. 2 is a diagram illustrating that an uplink frame is earlier than a downlink frame when the UE performs uplink transmission;

FIG. 3 is a flow chart illustrating a basic time cell processing method according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a basic time unit processing device according to an embodiment of the present application;

fig. 5 shows a block diagram 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 clearly and completely described 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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope 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 data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The techniques described herein are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, and may also be used for various 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" are often used interchangeably. CDMA systems may implement Radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA), and so on. UTRA includes Wideband CDMA (Wideband Code Division Multiple Access, WCDMA) and other CDMA variants. TDMA systems may implement radio technologies such as Global System for Mobile communications (GSM). The OFDMA system may implement radio technologies such as Ultra Mobile Broadband (UMB), evolved-UTRA (E-UTRA), IEEE 802.11(Wi-Fi), IEEE 802.16(WiMAX), IEEE 802.20, Flash-OFDM, etc. UTRA and E-UTRA are parts of the Universal Mobile Telecommunications System (UMTS). LTE and higher LTE (e.g., LTE-A) are new UMTS releases that use E-UTRA. UTRA, E-UTRA, UMTS, LTE-A, and GSM are described in documents from an organization named "third Generation Partnership Project" (3 GPP). CDMA2000 and UMB are described in documents from an organization named "third generation partnership project 2" (3GPP 2). The techniques described herein may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. However, the following description describes the NR system for purposes of example, and NR terminology is used in much of the description below, although the techniques may also be applied to applications other than NR system applications.

The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the spirit and scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described methods may be performed in an order different than 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.

Referring to fig. 1, 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. The terminal 11 may also be referred to as a terminal Device or a User Equipment (UE), where the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), or a vehicle-mounted Device, and the specific type of the terminal 11 is not limited in this embodiment. The network-side device 12 may be a Base Station or a core network, wherein the Base Station may be a 5G or later-version Base Station (e.g., a gNB, a 5G NR NB, etc.), or a Base Station in other communication systems (e.g., an eNB, a WLAN access point, or other access points, etc.), or a location server (e.g., an E-SMLC or an lmf (location Manager function)), wherein the Base Station may be referred to as a node B, an evolved node B, an access point, a Base Transceiver Station (BTS), a radio Base Station, a radio Transceiver, a Basic Service Set (BSS), an 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, 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 embodiment of the present application does not limit the specific type of the base station and the specific communication system.

In a New Radio (NR) related protocol, a minimum basic time unit is defined as T_c＝1/(Δf_max·N_f) Wherein Δ f_maxAt 480KHz, Nf is the maximum Fast Fourier Transform (FFT) length (size) 4096. Meanwhile, in order to better reflect the relationship with the Long Term Evolution (LTE) frame structure, a constant k ═ T of the relative LTE time basic unit is defined_s/T_c64 where T_s＝1/(Δf_ref·N_f，ref) Is a time base unit length of LTE, and Δ f_ref＝15·10³Hz and N_f，ref＝2048。

As shown in fig. 2, when a terminal (User Equipment, UE) performs uplink transmission, an uplink frame is earlier than a downlink frame by T_TA＝(N_TA+N_TA，offset)T_c. For msgA transmission, the Timing Advance (TA) is 0.

Wherein N is_TA，offsetIs a cell specific (cell specific) parameter, is configured in a System Information Block (SIB) 1, and can be configured from (0, 25600, 39936). Meanwhile, the same value is applied to a carrier (carrier) configured with a Supplemental Uplink (SUL). If not, then the following steps are executed according to the following table 1:

TABLE 1

For N_TAIs a UE-specific (specific) parameter, and can be obtained through the following two ways:

1. TA command (command) in Random Access Response (RAR) has 12 bits, and may be configured as TA 0, 1, 2.., 3846, corresponding,

N_TA＝T_A·16·64/2^μ

wherein, the sub-carrier spacing (SCS) takes the SCS of the first Uplink (UL) transmission (transmission) after receiving RAR response;

2. TA command in a Media Access Control (MAC) Control Element (CE) has 6 bits, and may be configured as TA 0, 1, 2_TAMake an adjustment, i.e.

N_{TA_new}＝NT_{A_old}+(T_A-31)·16·64/2^μ

TA command is the largest SCS relative to multiple active UL BWPs if the UE has multiple active UL Bandwidth parts (BWPs) in the same TAG. N used on Low SCS_{TA_new}The approximation is made according to the following TA accuracy requirements.

The accuracy requirements for TA adjustment are:

for Orthogonal Frequency Division Multiplexing (OFDM) signal generation in NR, NR performs OFDM signal generation in basic time units, for example

where t＝0at the start of the subframe,

In NR, timing error requirement of a Synchronization Signal Block (SSB) is shown in table 2:

TABLE 2

When the timing difference of the UE to the SSB exceeds T_eThe UE needs to be guaranteed at T by the adjustment_eAnd complies with the following rules:

(1) each adjustment does not exceed T_q；

(2) The minimum cumulative adjustment rate is T per second_p；

(3) The maximum cumulative adjustment rate is T adjusted every 200ms_q。

Wherein T is_pAnd T_qThe values of (A) are shown in Table 3:

TABLE 3

An embodiment of the present application provides a method for processing a basic time unit, which is applied to a terminal, and as shown in fig. 3, the method includes:

step 101: determining a basic time unit and/or a reference constant according to at least one item of information, wherein the reference constant is the ratio of the basic time unit to a preset time unit:

In the embodiment of the application, the value of the basic time unit can be determined according to the first information or the message sent by the network side device, and the first information includes the subcarrier interval and/or the operating frequency band, so that the value of the basic time unit can be adjusted according to different scenes, the basic time unit can meet the requirements of different scenes, and the problem of insufficient sampling frequency caused by the increase of the subcarrier interval is solved.

In this embodiment, the basic time unit T may be determined by the first information_cOr the basic time unit T can be explicitly indicated by the network side equipment through a message_cCan also predefine the basic time unit T_cThe value of (c).

In some embodiments, the method further comprises:

calculating the time advance T by using any one of the following formulas_TA：

T_TA＝(N_TA+N_TA，offset)*T_cWherein, T_cIs a basic time unit;

T_TA＝N_TA，offset*T_c+N_TA*T′_cwherein, T_cIs N_TA，offsetCorresponding basic time Unit, T'_cIs N_TACorresponding basic time unit, N_TAFor terminal-specific parameters, N_TA，offsetAre cell specific parameters.

At the calculation of the time advance T_TABefore, the first information also needs to be acquired, and acquiring the first information includes any one of the following:

receiving a Random Access Response (RAR), wherein the subcarrier interval is the subcarrier interval of the first uplink transmission of the received RAR, and the operating frequency band is the operating frequency band of the first uplink transmission of the received RAR; i.e. when the UE receives RAR calculation T_TAWhen the value is positive, the subcarrier interval is the subcarrier interval of the first UL transmission receiving the RAR response, and the operating frequency band is the operating frequency band of the first UL transmission receiving the RAR response;

receiving system information, wherein the subcarrier interval may also be a subcarrier interval configured for the system information or a subcarrier interval of the system information, and the operating frequency band may also be a frequency band for receiving the system information;

the subcarrier interval may also be a subcarrier interval for activating an uplink bandwidth part UL BWP, and the operating frequency band may also be an operating frequency band for activating the uplink bandwidth part UL BWP;

receiving a media intervention control unit (MAC CE), wherein the subcarrier spacing is a maximum or minimum subcarrier spacing (SCS) in a plurality of activated or configured uplink bandwidth parts (UL BWPs) or carriers contained in a Time Advance Group (TAG) ID indicated by the MAC CE, and the operating frequency band is a frequency band where the maximum or minimum frequency band or the maximum SCS of the plurality of activated or configured UL BWPs or carriers contained in the TAG ID indicated by the MAC CE is located, namely when the UE receives a T calculated by the MAC CE_TAWhen the value is positive, the subcarrier interval is the maximum or minimum SCS in a plurality of activated UL BWPs or carriers contained in the TAG ID indicated by the MAC CE, and the operating frequency band is the maximum or minimum frequency band of the plurality of activated UL BWPs or carriers contained in the TAG ID indicated by the MAC CE or the frequency band where the maximum SCS is located;

the method comprises the steps of obtaining a subcarrier spacing and/or an operating frequency band defined by network side equipment configuration or preconfiguration or a protocol, wherein the network side equipment configuration can be that the network side equipment explicitly indicates the subcarrier spacing and/or the operating frequency band.

After determining the basic time unit and/or the first information, the method further comprises determining N from the first information and/or the basic time unit_TA，offsetIncluding any of the following:

if configuration N_TA，offsetDetermining N based on said first information and/or said basic time unit_TA，offsetAccording to N of network side equipment_TA，offsetDetermines N from the value set_TA，offsetA value of (d);

if N is not configured_TA，offsetAccording to said first information and/or said elementary time cells, determining N from a predefined table_TA，offsetThe value of (c).

After determining the basic time unit and/or the first information, the method further comprises determining N from the first information and/or the basic time unit_TAThe values of (a) include:

determining N according to the first information and/or the basic time unit and the signaling type of the received TA command_TAThe calculation formula of (2);

determining N according to the calculation formula and the value of the received TA command_TAThe value of (c).

When the MAC CE receives the TA command, it needs to adjust the maximum or minimum SCS in the plurality of activated UL BWPs or carriers included in the TAG ID that is not indicated by the MAC CE on the UL BWP according to the TA accuracy (accuracy) requirement, and the Tc used by the TA accuracy refers to the SCS of the UL BWP or the above (maximum or minimum) SCS.

In one embodiment, N_TA，offsetIs (0, 25600, 39936), and the reference elementary time unit is T_c＝1/(Δf_max·N_f) Wherein Δ f_maxIs 480KHz, N_fIs the maximum FFT size 4096.

When the UE receives the TA command at the RAR, the subcarrier spacing and/or the operating frequency band are/is the subcarrier spacing and/or the operating frequency band of the first UL transmission of the received RAR response. The value of the basic time unit is determined according to the subcarrier spacing and/or the operation frequency band, for example, the subcarrier spacing is 960KHz, and the value of the basic time unit is T'_c＝1/(Δf_max·N_f) Wherein Δ f_maxIs 960KHz, N_fIs maximum FFT size 4096, N_TAIs calculated by the formula N_TA＝T_TA*16*128/2^μ(ii) a E.g. 120KHz subcarrier spacing, and a basic time unit value of T_c＝1/(Δf_max·N_f) Wherein Δ f_maxIs 480KHz, N_fIs maximum FFT size 4096, N_TAIs calculated by the formula N_TA＝T_TA*16*64/2μ。

When the UE receives a TA command at the MAC CE, the subcarrier interval is a frequency band where the maximum SCS of the multiple activated UL BWPs or carriers included in the TAG ID indicated by the MAC CE is located. The value of the basic time unit is determined according to the subcarrier spacing and/or the operation frequency band, for example, the subcarrier spacing is 960KHz, and the value of the basic time unit is T'_c＝1/(Δf_max·N_f) Wherein Δ f_maxIs 960KHz, N_fIs maximum FFT size 4096, N_TAIs calculated by the formula N_TA，new＝N_TA，old*(T_TA-31)*16*128/2^μ(ii) a The subcarrier interval is 120KHz, and the value of the basic time unit is determined to be T'_c＝1/(Δf_max·N_f) Wherein Δ f_max480KHz, Nf is maximum FFT size 4096, N_TAIs calculated by the formula N_TA，new＝N_TA，old*(T_TA-31)*16*64/2^μ。

In some embodiments, the subcarrier spacing in the first information is a subcarrier spacing for generating an orthogonal frequency division multiplexing, OFDM, baseband signal, and the operating frequency band in the first information is a frequency band for transmitting the OFDM baseband signal, and the method further includes:

determining a value of a basic time unit according to the first information;

determining a calculation formula for generating the OFDM baseband signal or a value of a relative constant in the calculation formula for calculating the number of samples of the useful signal and the cyclic prefix CP signal in one symbol according to the first information;

and generating the OFDM baseband signal according to the calculation formula and the value of the basic time unit.

In one embodiment, when the SCS of the transmission signal is 960KHz, the value of the basic time unit is determined to be T'_c＝1/(Δf_max·N_f) Wherein Δ f_maxIs 960KHz, N_fFor maximum FFT size 4096, the OFDM signal generation formula is

Wherein the number of samples (samples) of the useful signal and the CP in a symbol are respectively

And

or

And

in the above formula, κ is a constant of NR first basic time unit with respect to LTE basic time unit (e.g. 64), κ' is a constant of NR second basic time unit with respect to LTE basic time unit (e.g. 128),

in order to realize the purpose,

for the start of the first symbol when SCS is μ,

complex values are sent on the antenna port p in resource units (k, l) with SCS being μ, k being the subcarrier number,

for the number of PRBs of the carrier with SCS μ,

for the number of sub-carriers per PRB,

for SCS to be mu₀PRB number of carrier of (d), mu₀The maximum value is indicated for the SCS of all configured carriers, and μ is the SCS indication value of the configured carriers.

When SCS of the transmitted signal is 120KHz, the value of the basic time unit is determined to be T_c＝1/(Δf_max·N_f) Wherein Δ f_maxIs 480KHz, N_fFor maximum FFT size 4096, the OFDM signal generation formula is

At the beginning of a sub-frame, t-0,

wherein, extended Cyclic Prefix (CP) is extended cyclic prefix, and normal cyclic prefix is normal cyclic prefix.

In some embodiments, the subcarrier spacing in the first information is a subcarrier spacing for generating a synchronization signal block SSB, and the operating frequency band in the first information is a frequency band for transmitting the SSB, and the method further includes:

determining a value of a basic time unit according to the first information;

calculating at least one of the following from the first information and the value of the basic time unit:

timing error Te;

adjusting the rate parameter Tq at fixed time, wherein the adjustment does not exceed Tq each time;

the timing adjustment rate parameter Tp, Tp is the minimum cumulative adjustment rate.

In some embodiments, the method further comprises:

the method comprises the steps of obtaining basic time unit configuration information configured or preconfigured by network side equipment or defined by a protocol, wherein the basic time unit configuration information indicates an applicable frequency band and/or an applicable SCS of the basic time unit, so that a terminal can determine to use the corresponding basic time unit under different scenes, and the basic time unit meets the requirements of different scenes.

In one embodiment, the minimum basic time unit of T 'is used for 1) SCS of 960KHz, or 2) frequency band above 52.6GHz, or 3) SCS of frequency band above 52.6GHz and 960 KHz'_c＝1/(Δf_max·N_f) Wherein Δ f_maxAt 1920KHz, N_fIs the maximum FFT size 4096; otherwise using the smallest basic time unit of T_c＝1/(Δf_max·N_f) Wherein Δ f_maxIs 480KHz, N_fIs the maximum FFT size 4096.

It should be noted that, in the processing method of a basic time unit provided in the embodiment of the present application, the execution main body may be a processing apparatus of the basic time unit, or a module in the processing apparatus of the basic time unit, which is used for executing the processing method of loading the basic time unit. In the embodiment of the present application, a processing method for loading a basic time unit performed by a processing device of the basic time unit is taken as an example, and the processing method of the basic time unit provided in the embodiment of the present application is described.

The processing apparatus of basic time unit in the embodiment of the present application is applied to the terminal 200, and as shown in fig. 4, the apparatus includes:

a determining module 210, configured to determine a basic time unit and/or a reference constant according to at least one of the following information, where the reference constant is a ratio of the basic time unit to a preset time unit:

In some embodiments, the apparatus further comprises:

a first calculating module for calculating the time advance T by using any one of the following formulas_TA：

T_TA＝(N_TA+N_TA，offset)*T_cWherein, T_cIs a basic time unit;

In some embodiments, the apparatus further comprises:

a first obtaining module, configured to obtain the first information, where the obtaining module is specifically configured to execute any one of:

receiving a Random Access Response (RAR), wherein the subcarrier interval is the subcarrier interval of the first uplink transmission of the received RAR, and the operating frequency band is the operating frequency band of the first uplink transmission of the received RAR;

receiving system information, wherein the subcarrier interval is a subcarrier interval configured by the system information or a subcarrier interval of the system information, and the operating frequency band is a frequency band for receiving the system information;

the subcarrier interval is the subcarrier interval for activating the uplink bandwidth part UL BWP, and the operating frequency band is the operating frequency band for activating the uplink bandwidth part UL BWP;

receiving a media intervention control unit (MAC CE), wherein the subcarrier interval is a maximum or minimum subcarrier interval (SCS) in a plurality of activated or configured uplink bandwidth parts (UL BWPs) or carriers contained in a Time Advance Group (TAG) ID indicated by the MAC CE, and the operating frequency band is a frequency band where the maximum or minimum frequency band or the maximum SCS of the plurality of activated or configured UL BWPs or carriers contained in the TAG ID indicated by the MAC CE is located;

and acquiring the subcarrier spacing and/or the operating frequency band configured or preconfigured by the network side equipment or defined by the protocol.

In some embodiments, the apparatus further comprises:

a first processing module for determining N according to the first information and/or the basic time unit_TA，offsetThe first processing module is specifically configured to perform any of:

determining N from the first information and/or the basic time unit_TA，offsetAccording to N of network side equipment_TA，offsetDetermines N from the value set_TA，offsetA value of (d);

determining N from a predefined table based on the first information and/or the basic time cell_TA，offsetThe value of (c).

In some embodiments, the apparatus further comprises:

a second processing module for determining N based on the first information and/or the basic time unit_TAThe values of (a) include:

In some embodiments, the subcarrier spacing in the first information is a subcarrier spacing for generating an OFDM baseband signal, and the operating frequency band in the first information is a frequency band for transmitting the OFDM baseband signal, the apparatus further includes:

a generating module for determining a value of a basic time unit according to the first information; determining a calculation formula for generating the OFDM baseband signal or a value of a relative constant in the calculation formula for calculating the number of samples of the useful signal and the cyclic prefix CP signal in one symbol according to the first information; and generating the OFDM baseband signal according to the calculation formula and the value of the basic time unit.

In some embodiments, the subcarrier spacing in the first information is a subcarrier spacing for generating a synchronization signal block SSB, and the operating frequency band in the first information is a frequency band for transmitting the SSB, the apparatus further includes:

a second calculation module for determining a value of a basic time unit according to the first information; calculating at least one of the following from the first information and the value of the basic time unit:

timing error T_e；

Timing adjustment rate parameter T_qEach adjustment not exceeding T_q；

Timing adjustment rate parameter T_p，T_pThe rate is adjusted for the minimum accumulation.

In some embodiments, the apparatus further comprises:

a second obtaining module, configured to obtain basic time unit configuration information configured or preconfigured by a network side device or defined by a protocol, where the basic time unit configuration information indicates an applicable frequency band and/or an applicable SCS of the basic time unit.

The processing device of the basic time unit in the embodiment of the present application may be a device, and may also be a component, an integrated circuit, or a chip in the terminal. The device can be mobile electronic equipment or non-mobile electronic equipment. By way of example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and the non-mobile electronic device may be a Network Attached Storage (NAS), a personal computer (personal computer, PC), a Television (TV), a teller machine, a self-service machine, and the like, and the embodiments of the present application are not limited in particular.

The processing device of the basic time unit in the embodiment of the present application may be a device having an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, and embodiments of the present application are not limited specifically.

The processing apparatus for a basic time unit provided in this embodiment of the present application can implement each process implemented by the processing method for a basic time unit in the method embodiment of fig. 3, and is not described here again to avoid repetition.

Optionally, an embodiment of the present application further provides an electronic device, which includes a processor, a memory, and a program or an instruction stored in the memory and capable of running on the processor, where the program or the instruction is executed by the processor to implement each process of the embodiment of the method for processing a basic time unit, and can achieve the same technical effect, and details are not repeated here to avoid repetition.

It should be noted that the electronic devices in the embodiments of the present application include the mobile electronic devices and the non-mobile electronic devices described above.

The electronic device of the embodiment may be a terminal. Fig. 5 is a schematic hardware structure diagram of a terminal for implementing various embodiments of the present application, where the terminal 30 includes, but is not limited to: radio frequency unit 31, network module 32, audio output unit 33, input unit 34, sensor 35, display unit 36, user input unit 37, interface unit 38, memory 39, processor 310, and power supply 311. Those skilled in the art will appreciate that the terminal configuration shown in fig. 5 is not intended to be limiting, and that the terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present application, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.

It should be understood that, in the embodiment of the present application, the radio frequency unit 31 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 310; in addition, the uplink data is transmitted to the base station. Typically, the radio frequency unit 31 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. In addition, the radio frequency unit 31 can also communicate with a network and other devices through a wireless communication system.

The memory 39 may be used to store software programs as well as various data. The memory 39 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 39 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 310 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 39 and calling data stored in the memory 39, thereby performing overall monitoring of the terminal. Processor 310 may include one or more processing units; preferably, the processor 310 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 310.

The terminal 30 may further include a power supply 311 (such as a battery) for supplying power to various components, and preferably, the power supply 311 may be logically connected to the processor 310 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system.

In addition, the terminal 30 includes some functional modules that are not shown, and are not described in detail herein.

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 program or the instruction implements each process of the embodiment of the method for processing a basic time unit, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

The processor is the processor in the electronic device 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 execute a program or an instruction to implement each process of the embodiment of the basic time unit processing method, and can achieve the same technical effect, and in order to avoid repetition, 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 system-on-chip, system-on-chip or 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 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 may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) 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 invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A method for processing a basic time unit is applied to a terminal, and the method comprises the following steps:

2. The method for processing elementary time units according to claim 1, further comprising:

calculating the time advance T by using any one of the following formulas_TA：

T_TA＝(N_TA+N_TA，offset)*T_cWherein, T_cIs a basic time unit;

3. The method of processing elementary time units according to claim 2, characterized in that it further comprises a step of obtaining said first information, the obtaining of said first information comprising any one of:

4. The method of processing a basic time unit according to claim 2, further comprising determining N from the first information and/or the basic time unit_TA，offsetIncluding any of the following:

5. The method of processing a basic time unit according to claim 2, further comprising determining N from the first information and/or the basic time unit_TAThe values of (a) include:

6. The method of claim 1, wherein the subcarrier spacing in the first information is a subcarrier spacing for generating an orthogonal frequency division multiplexing, OFDM, baseband signal, and wherein the operating frequency band in the first information is a frequency band for transmitting the OFDM baseband signal, the method further comprising:

determining a value of a basic time unit according to the first information;

7. The method of claim 1, wherein the subcarrier spacing in the first message is a subcarrier spacing for generating a synchronization signal block SSB, and the operating frequency band in the first message is a frequency band for transmitting the SSB, the method further comprising:

determining a value of a basic time unit according to the first information;

timing error T_e；

Timing adjustment rate parameter T_qEach adjustment not exceeding T_q；

8. The method for processing elementary time units according to claim 1, further comprising:

obtaining basic time unit configuration information configured or preconfigured by network side equipment or defined by a protocol, wherein the basic time unit configuration information indicates an applicable frequency band and/or an applicable SCS of the basic time unit.

9. An apparatus for processing basic time unit, applied to a terminal, the apparatus comprising:

10. The apparatus for processing elementary time units according to claim 9, characterized in that it further comprises:

T_TA＝(N_TA+N_TA，offset)*T_cWherein, T_cIs a basic time unit;

11. The apparatus for processing elementary time units according to claim 10, further comprising:

receiving a media intervention control unit (MAC CE), wherein the subcarrier interval is a maximum or minimum subcarrier interval (SCS) in a plurality of activated or configured uplink bandwidth parts (UL BWPs) or carriers contained in a Time Advance Group (TAG) identification ID indicated by the MAC CE, and the operating frequency band is a frequency band where the maximum or minimum frequency band or the maximum SCS of the plurality of activated or configured UL BWPs or carriers contained in the TAGID indicated by the MAC CE is located;

12. The apparatus for processing elementary time units according to claim 10, further comprising:

first placeA processing module for determining N according to the first information and/or the basic time unit_TA，offsetThe first processing module is specifically configured to perform any of:

13. The apparatus for processing elementary time units according to claim 10, further comprising:

14. The apparatus for processing a basic time unit according to claim 9, wherein the subcarrier spacing in the first information is a subcarrier spacing for generating an orthogonal frequency division multiplexing, OFDM, baseband signal, and the operating frequency band in the first information is a frequency band for transmitting the OFDM baseband signal, the apparatus further comprising:

15. The apparatus for processing a basic time unit according to claim 9, wherein the subcarrier spacing in the first message is a subcarrier spacing for generating a synchronization signal block SSB, and the operating frequency band in the first message is a frequency band for transmitting the SSB, the apparatus further comprising:

timing error T_e；

Timing adjustment rate parameter T_qEach adjustment not exceeding T_q；

16. The apparatus for processing elementary time units according to claim 9, characterized in that it further comprises:

17. An electronic device 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 of any one of claims 1-8.

18. A readable storage medium, characterized in that it stores thereon a program or instructions which, when executed by a processor, implement the steps of the method according to any one of claims 1-8.