WO2012068982A1

WO2012068982A1 - Method and apparatus for terminal calibration and terminal

Info

Publication number: WO2012068982A1
Application number: PCT/CN2011/082586
Authority: WO
Inventors: 刘俊英; 杨桦
Original assignee: 意法·爱立信半导体（北京）有限公司
Priority date: 2010-11-24
Filing date: 2011-11-22
Publication date: 2012-05-31
Also published as: CN102158273A; CN102158273B

Abstract

Disclosed are a method and an apparatus for terminal calibration and a terminal. The method comprises: a meter receiving a downlink synchronization channel parameter and a calibration parameter from a host, wherein the calibration parameter indicates the transmission mode of the calibration data; the meter sending the synchronization data to a terminal using the downlink synchronization channel, wherein the downlink synchronization channel is obtained by the meter according to the downlink synchronization channel parameter configuration; after the terminal completes synchronization with the meter by detecting the synchronization data, the meter useing time division-synchronous code division multiple access (TD-SCDMA) data frames for sending downlink calibration data to the terminal and receiving uplink calibration data from the terminal. The present invention can simultaneously execute uplink calibration and downlink calibration, and multiple calibration items can be calibrated simultaneously in different TD-SCDMA data frame timeslots, thus effectively improving calibration efficiency and reducing calibration complexity.

Description

The present invention relates to the field of communications, and in particular, to a method and apparatus for implementing terminal calibration, and a terminal.

Before the terminal is put into the market, the calibration of each parameter must be carried out, and the speed and accuracy of the calibration directly affect the time of product introduction and mass production.

Currently, Time Division-Synchronous Code Division Multiple Access (TD SCDMA) terminals and meters usually use continuous wave (CW) as a calibration signal.

In the process of calibration as described above, a calibration process can only calibrate one parameter (also called a calibration term, which can usually include frequency, transmit power, and receive gain, etc.). Therefore, the calibration process is a single point calibration. And, since the transmission of continuous wave is unidirectional, the calibration process cannot support parallel uplink measurement and downlink measurement.

Therefore, if the above method is used for calibration, the calibration process takes a long time if more calibration items need to be used, and since only one calibration item can be calibrated per calibration, The calibration operation is performed multiple times, increasing the complexity of the calibration process.

For the problem that the calibration in the related art can only be one-way and single-point execution leads to low calibration efficiency and high complexity, an effective solution has not been proposed yet.

The invention provides a method and a device for implementing terminal calibration and a terminal, which can realize two-way and multi-point calibration, thereby improving the calibration in the related art, which can only be unidirectional and single-point execution, resulting in low calibration efficiency and high complexity. The efficiency of calibration reduces the complexity of calibration implementation.

The technical solution of the present invention is implemented as follows:

According to one aspect of the invention, a method of implementing terminal calibration is provided.

The method for implementing terminal calibration according to the present invention includes: the meter receives downlink synchronization from the host a channel parameter and a calibration parameter, where the calibration parameter is used to indicate a transmission mode of the calibration data; the meter transmits the synchronization data to the terminal by using a downlink synchronization channel, where the downlink synchronization channel is used by the meter according to the downlink歩Channel parameter configuration is obtained; after the terminal detects synchronization with the meter and the synchronization is completed, the meter sends a TD SCDMA data to the terminal according to the calibration parameter according to the time division and the code division multiple access TD SCDMA data Downstream calibration data and receiving upstream calibration data from the terminal.

And the calibration parameter includes an uplink calibration parameter and a downlink calibration parameter, and the calibration parameter is further notified to the terminal by the host, where the downlink calibration parameter is used to indicate a transmission mode of the downlink calibration data. The uplink calibration parameter is used to indicate the transmission mode of the uplink calibration data;

The sending, by the meter, the downlink calibration data to the terminal, the: the meter sending the downlink calibration data to the terminal by using the TD-SCDMA data frame according to the downlink calibration parameter;

The receiving, by the meter, the uplink calibration data from the terminal comprises: receiving, by the meter, the uplink calibration data sent by the terminal through the TD-SCDMA data frame according to the uplink calibration parameter.

Moreover, the sending, by the meter, the downlink calibration data to the terminal and receiving the uplink calibration data from the terminal further includes: sending, by the terminal, uplink calibration data to the meter by using a TD-SCDMA data frame according to the uplink calibration parameter. And receiving, according to the downlink calibration parameter, downlink calibration data sent by the meter through the TD-SCDMA data frame.

Additionally, the meter transmits downlink calibration data to the terminal and receives uplink calibration data from the terminal including one of the following:

The terminal and the meter simultaneously send calibration data to the other party when the successful synchronization condition is satisfied, wherein the successful peer condition refers to: the meter completes the same with the terminal, and the meter is The number of frames in which the terminal transmits the peer data reaches a predetermined value;

The meter transmits downlink calibration data to the terminal in response to uplink calibration data from the terminal, wherein the terminal transmits uplink calibration data to the meter immediately after synchronization is completed.

Optionally, the downlink synchronization channel parameter includes at least one of: a frequency point of the downlink synchronization channel, and a power of the downlink synchronization channel.

Optionally, the calibration parameter includes at least one of the following: a frequency point, a time slot, and a control word of the calibration data transmission. According to another aspect of the present invention, an apparatus for implementing terminal calibration is provided.

The device for implementing terminal calibration according to the present invention includes: a receiving module, configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, wherein the calibration parameter is used to indicate a transmission mode of the calibration data; and a synchronization module is configured to utilize the downlink The peer channel sends the peer data to the terminal, where the downlink synchronization channel is obtained by the meter according to the downlink synchronization channel parameter configuration; and the calibration module is configured to detect the synchronization data and the meter at the terminal In the case of completion synchronization, according to the calibration parameter, the downlink calibration data is transmitted to the terminal by the time division synchronous code division multiple access TD SCDMA data and the uplink calibration data from the terminal is received.

The calibration parameter includes an uplink calibration parameter and a downlink calibration parameter, and the calibration parameter is further notified to the terminal by the host, where the downlink calibration parameter is used to indicate a transmission mode of the downlink calibration data. The uplink calibration parameter is used to indicate the transmission mode of the uplink calibration data;

The calibration module is specifically configured to send downlink calibration data to the terminal by using TD SCDMA data according to the downlink calibration parameter, and configured to receive an uplink calibration sent by the terminal by using a TD-SCDMA data frame according to the uplink calibration parameter. data.

Preferably, the downlink synchronization channel parameter includes at least one of: a frequency point of the downlink synchronization channel, and a power of the downlink synchronization channel; the calibration parameter includes at least one of the following: calibration frequency of the data transmission , time slot, control word.

According to still another aspect of the present invention, a terminal is also provided.

The terminal according to the present invention includes: a receiving module, configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, where the calibration parameter is used to indicate a transmission mode of the calibration data; and the detecting module is configured according to the downlink synchronization channel a parameter, the synchronization of the terminal and the meter is implemented by detecting a downlink peer channel of the synchronization data, wherein the downlink synchronization channel is configured by the meter according to the downlink synchronization channel parameter configuration; a calibration module, For transmitting the uplink calibration data to the meter and receiving the uplink calibration data from the meter by using a time division synchronous code division multiple access TD-SCDMA data frame according to the calibration parameter, in case the terminal completes the same with the meter Downstream calibration data.

The invention realizes synchronization based on downlink downlink channel (DwPTD) by using the terminal and the meter, and calibrates the available time slots of the TD-SCDMA frame after the synchronization is completed, which can not only achieve uplink Parallel execution of calibration and downstream calibration, and simultaneous calibration of multiple calibration items in different time slots of TD-SCDMA data frames, thereby effectively improving calibration efficiency and reducing the complexity of the calibration process. DRAWINGS

1 is a flow chart of a method for implementing terminal calibration according to an embodiment of the present invention;

2 is a schematic diagram showing a connection relationship between a host, a terminal, and an instrument when implementing a terminal calibration method according to an embodiment of the present invention.

Figure 3 is in accordance with the present invention

Figure 4 is a diagram of the invention

FIG. 5 is a block diagram of an apparatus for implementing terminal calibration according to an embodiment of the present invention; FIG.

6 is a block diagram of a terminal in accordance with an embodiment of the present invention.

Aiming at the problem that the calibration is inefficient and the calibration process is complicated by continuous wave unidirectional and single-point calibration in the related art, the present invention proposes to realize synchronization based on downlink downlink channel (DwPTD) by using terminal and instrument, and ffi TD - Calibration of available time slots of SCDMA frames not only enables parallel execution of upstream and downstream calibrations, but also enables simultaneous calibration of multiple calibration items, thereby effectively improving calibration efficiency and reducing the complexity of the calibration process.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In accordance with an embodiment of the present invention, a method of implementing terminal calibration is provided for implementing calibration of a meter pair.

Before performing the detection, the host, the meter, and the terminal may be connected in the manner shown in FIG. 2, wherein the host may be a device (also referred to as a host computer) that controls the terminal and the meter, for example, may be The computer, the meter can be any calibration device that has the function of calibrating the terminal (for example, it can be a comprehensive tester). As shown in Figure 2, the host and the meter can be connected through the GPIB cable (GBIP Cable), and the host and the terminal can be connected via USB or UART. Port connection, the terminal and the meter can be connected by RF cable. The connection mode between the devices shown in Figure 2 is only a specific example. In practical applications, the host, terminal and instrument can be used in other ways. Make a connection.

As shown in the figure, the implementation method of the terminal calibration according to the implementation of the present invention includes:

Step S101, the meter receives a downlink synchronization channel parameter and a calibration parameter of the slave machine, where the calibration parameter is used to indicate a transmission mode of the calibration data;

Step S103: The meter sends the synchronization data to the terminal by using the downlink synchronization channel, where the downlink synchronization channel is configured by the meter according to the downlink synchronization channel parameter configuration;

Step S105, after the terminal synchronizes with the meter and completes by detecting the synchronization data, the meter sends the downlink calibration data to the terminal and receives the uplink calibration data from the terminal according to the calibration parameter, and receives the uplink calibration data from the terminal through the time division synchronization code division multiple access TD-SCDMA data frame. Complete calibration of the terminal.

By means of the above processing, by enabling the terminal and the meter to realize synchronization based on the downlink synchronization channel (DwPTD) and calibrating with the TD-SCDMA callable time slot, not only the parallel execution of the uplink calibration and the downlink calibration can be realized, but also Different time slots of the TD-SCDMA data frame realize simultaneous calibration of multiple calibration items, thereby effectively improving the efficiency of calibration and reducing the complexity of the calibration process.

The host should not notify the terminal in addition to the downlink synchronization channel parameters, and the terminal should notify the terminal in advance, and the synchronization between the meter and the terminal means: The terminal successfully detects the downlink peer channel according to the downlink synchronization channel parameter from the host. Preferably, in order to simply and clearly represent the downlink synchronization channel, the downlink synchronization channel parameter may include at least one of the following: a frequency point of the downlink peer channel, and a downlink. In addition, the calibration parameter may include an uplink calibration parameter and a downlink calibration parameter, and the calibration parameter is the same. The terminal should be notified to the terminal in advance, wherein the downlink calibration parameter is used to indicate the transmission mode of the downlink calibration data, and the uplink calibration parameter is used to indicate the transmission mode of the uplink calibration data, so that both the terminal and the meter can obtain the uplink calibration parameter and the downlink calibration parameter. .

Optionally, the host may first notify the terminal of the calibration parameters and the downlink synchronization channel parameters, and then notify the meter of the parameters, and notify the meter to prepare to send the synchronization data.

Based on this, when the meter sends the downlink calibration data to the terminal, the downlink calibration data may be sent to the terminal through the TD-SCDMA data frame according to the downlink calibration parameter; when the meter receives the uplink calibration data from the terminal, the terminal may receive the terminal according to the uplink calibration parameter. Through TD-SCDMA data frames The upstream calibration data sent.

Correspondingly, the terminal also needs to send uplink calibration data to the meter through the TD-SCDMA data frame according to the uplink calibration parameter; and the terminal also needs to receive the downlink calibration data sent by the meter through the TD-SCDMA data frame according to the downlink calibration parameter, so that Ability to interact with calibration data.

Since a TD-SCDMA data frame contains an upstream time slot and a downlink time slot, in order to clearly indicate how to transmit the calibration data, the time slot, control word and/or frequency point used to transmit the calibration data should be indicated in the calibration parameters. For example, the downstream calibration parameters should indicate the time slot, frequency point, and control word occupied by the downstream calibration data, and the upstream calibration parameters should indicate the time slot, frequency point, and corresponding control word occupied by the upstream calibration data. By explicitly indicating the time slot occupied by the uplink calibration data and the downlink calibration data, all available time slots of the TD-SCDMA data frame can be fully utilized for transmitting the calibration data, and therefore, can be performed in one TD-SCDMA data frame. Calibration of multiple calibration items can effectively improve the efficiency of calibration.

Optionally, in order to ensure that the calibration can be reasonably triggered, the host can further notify the terminal and the meter of a threshold number of times (for example, can be named T) before synchronizing, so that the calibration data can be started in the following two cases. Transmission:

(Mode 1) The terminal and the meter simultaneously send calibration data to the other party when the successful synchronization condition is satisfied, wherein the successful synchronization condition means: the meter and the terminal complete the same, and the number of frames in which the meter sends the same data to the terminal reaches the predetermined number. Value, that is, the meter will send synchronization data on the downlink peer channel of each data frame. If the number of frames sent reaches T and the terminal completes synchronization with the meter, both parties simultaneously send calibration data to each other;

(Mode 2) The meter transmits downlink calibration data to the terminal in response to the uplink calibration data from the terminal, wherein the terminal sends the uplink calibration data to the meter immediately after the synchronization is completed. Similarly, in this mode, the τ value can also be used for judging, that is, in the process of transmitting the synchronization data by the meter through the downlink synchronization channel of the data frame, if the number of transmissions reaches τ, and the terminal and the meter are still not completed. Synchronization, the synchronization is considered to have failed.

In addition, optionally, a synchronization time may be set instead of the above-mentioned number threshold τ, so that the synchronization is successful or the calibration is triggered according to the length of time of the peer, and the process is similar to the above process, and is not repeated here.

The specific processing of the present invention will be described in detail below. As shown in FIG. 3, in the foregoing manner, the following steps are specifically included:

Step 31: The host (PC) first notifies the terminal to be tested to receive the synchronization data sent by the meter, and simultaneously informs the terminal of the synchronization count parameter (ie, the number of times threshold) T\ downlink downlink channel (DwPTD) parameter and calibration parameter; The same parameter T can be set according to each terminal synchronization capability, for example, can be set to 25 to 50 subframes, the calibration parameters include uplink and downlink calibration frequency points, control words and time slots; and the downlink synchronization channel parameters include downlink peers. The frequency and power level of the channel.

Step 32, the machine informs the meter that it is ready to send the peer data, and simultaneously informs the meter of the synchronous counting parameter T, the downlink channel (DwPTD) parameter and the calibration parameter;

Step 33: The meter configures the downlink synchronization channel according to the downlink synchronization channel parameter, and starts to send synchronization data in the synchronization channel of each frame. When the first frame synchronization data is sent, the meter synchronization counter TDync counts as, and then the counter is accumulated according to the number of transmitted subframes. ;

Step 34: The terminal detects the downlink synchronization channel, and performs synchronization detection and adjustment according to the detected downlink synchronization channel.

Step 35: If the synchronization between the terminal and the meter fails, the terminal notifies the host of the synchronization failure; and step 36 is performed;

Step 36: The host notifies the meter of the failure of the peer, and ends the calibration;

If the synchronization between the terminal and the meter is successful, after step 34, step 37 is directly performed; in step 37, the meter and the terminal start uplink and downlink calibration according to the TD-SCDMA structure. Preferably, in the above step 33, when the meter starts to send the synchronization data, it should ensure that the terminal has entered the peer data receiving state, otherwise, after the meter sends the data, the terminal will not be able to receive the data in time, resulting in the omission of the peer data. The same identifier of the meter and terminal will not be aligned.

In steps 35 and 36, if the above manner 1 is adopted, the terminal succeeds in the same period and the synchronization counter is equal to the configured peer count parameter T (due to the relationship between the length and time of the data, the terminal can know the number of frames T At the corresponding duration, the uplink calibration data is sent in the uplink time slot of the configuration (determined according to the uplink calibration parameter), and the downlink calibration data is received at the same time; when the synchronization counter is equal to the configured synchronization counting parameter, the meter starts to receive the terminal uplink calibration data. And simultaneously transmitting downlink calibration data in a prescribed time slot;

As shown in FIG. 4, taking the above two methods as an example, the following steps are specifically included:

Step 41: The host first notifies the terminal to be tested to receive the peer data sent by the meter, and simultaneously The synchronization counting parameter (that is, the above-mentioned number threshold) T, the downlink synchronization channel (DwPTD) parameter, and the calibration parameter notification terminal; wherein, the synchronization number parameter T can be set according to each terminal synchronization capability, and the calibration parameter includes the frequency of the uplink and downlink calibration, Control word and time slot; The downlink synchronization channel parameters include the frequency and power level of the downlink peer channel.

Step 42, the machine informs the meter that it is ready to send the peer data, and simultaneously informs the meter of the synchronous counting parameter T, the downlink channel (DwPTD) parameter and the calibration parameter;

Step 43: The meter configures the downlink synchronization channel according to the downlink synchronization channel parameter, and starts to send synchronization data in the synchronization channel of each frame. When the first frame synchronization data is sent, the meter synchronization counter TDync counts as, and then the counter is accumulated according to the number of transmitted subframes. ;

Step 44: The terminal detects the downlink synchronization channel, and performs synchronization detection and adjustment according to the detected downlink synchronization channel.

If the peer relationship between the terminal and the meter is successful, after step 44, step 45 is directly performed; step 45, the meter and the terminal start to perform uplink and downlink calibration according to the TD-SCDMA call structure; step 46, if the terminal is judged in step 44 If the synchronization fails with the meter, the terminal notifies the host of the failure of the peer, and performs step 47;

Step 47: The host notifies the meter of the failure of the peer, and ends the calibration;

In step 45, if the second method is used, the terminal immediately sends the uplink calibration data after the peer succeeds, and starts to receive the downlink calibration data; after the meter starts to send the downlink synchronization channel (ie, starts the peer), the terminal continuously monitors the terminal. The uplink calibration data, if data from the terminal is detected, starts uplink and downlink calibration, and transmits downlink calibration data to the terminal.

When the peer enters the downlink peer channel detection state, the terminal always detects the power of the downlink peer channel. The specific detection method is as follows:

The terminal receives the data of one subframe (6400 di3⁄4) _S ), and copies the last 128 chips data to the front, and forms the received data of 6400+128 chips; wherein, in the received j-th subframe data, the length is The 128chips window slides in a certain step ( ) to calculate the power in each window

For the power of 32chips in front of the first window, Ρ ηφ _; 32chips after the ith window 6400

Power, _; is the power of 64 chips in the middle, where ^ OJo ---.

I step

Compare all power ratios and find the smallest ratio, expressed as ^. If ^ is less than the threshold, the downlink synchronization channel is detected, otherwise the downlink synchronization channel is not detected.

If the synchronization counter is equal to T, the terminal still does not detect the downlink synchronization channel, then the output peer fails. When the downlink channel is detected, the terminal starts to perform synchronization adjustment based on the downlink synchronization channel. The synchronization adjustment algorithm is mainly for making the synchronization precision reach the clup level. The synchronization adjustment algorithm is well known to those skilled in the art, and the specific process will not be described in detail herein. According to the implementation of the peer algorithm, when the algorithm fails to synchronize, the flag of the synchronization failure is output, otherwise the flag of the synchronization success is output.

By means of the above processing, by enabling the terminal and the meter to implement synchronization based on the downlink synchronization channel (DwPTD) and calibrating with the available time slots of the TD-SCDMA system, not only the parallel execution of the uplink calibration and the downlink calibration can be realized, but the operation. Simultaneous calibration of multiple calibration items in different time slots of the same TD-SCDMA data, thereby effectively improving calibration efficiency and reducing the complexity of the calibration process.

According to an embodiment of the present invention, there is also provided an apparatus for implementing terminal calibration, which can be used as the above-mentioned meter for performing calibration on a terminal.

As shown in FIG. 5, the apparatus for implementing terminal calibration according to an embodiment of the present invention includes:

a first receiving module 51, configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, where the calibration parameter is used to indicate a transmission mode of the calibration data;

The synchronization module 52 is connected to the first receiving module 51, and sends synchronization data to the terminal by using a downlink synchronization channel, where the downlink synchronization channel is configured by the meter according to the downlink synchronization channel parameter; the first calibration module 53 is connected to the first receiving The module 51 and the synchronization module 52 are configured to send downlink calibration data to the terminal and receive uplink calibration data from the terminal by time division with the code division multiple access TD-SCDMA data frame according to the calibration parameter, when the meter and the terminal complete synchronization. .

Moreover, the calibration parameter may include an uplink calibration parameter and a downlink calibration parameter, and the calibration parameter is previously notified to the terminal by the host, wherein the downlink calibration parameter is used to indicate the transmission mode of the downlink calibration data, and the uplink calibration parameter is used to indicate the uplink calibration data. Transmission method; Further, the first calibration module 53 is specifically configured to send downlink calibration data to the terminal through the TD-SCDMA data frame according to the downlink calibration parameter, and to receive the uplink calibration data sent by the terminal through the TD SCDMA data frame according to the uplink calibration parameter.

In accordance with an embodiment of the present invention, there is also provided a terminal for performing calibration in conjunction with the implementation of the terminal calibration or instrument.

As shown in FIG. 6, the terminal according to the implementation of the present invention includes:

a second receiving module 61, configured to receive downlink homogenous channel parameters and calibration parameters from the host, where the calibration parameters are used to indicate a transmission mode of the calibration data;

The detecting module 62 is connected to the second receiving module 61, and configured to synchronize the terminal and the meter by using the downlink synchronization channel of the peer data according to the downlink synchronization channel parameter, where the downlink synchronization channel is determined by the meter according to the downlink synchronization channel. Parameter configuration is obtained;

The second calibration module 63 is connected to the second receiving module 61 and the detecting module 62, and sends the TD-SCDMA data frame to the meter through time division and multiple code division multiple access according to the calibration parameter in the case that the terminal and the meter are synchronized. Upstream calibration data and receiving the number of downlink calibrations from the meter The implementation of the terminal calibration according to the implementation of the present invention and the process of performing the calibration and calibration of the terminal and the process of executing the processing by each module have been described in the method, and are not repeated here. , refer to the description in the above method.

In summary, with the above technical solution of the present invention, by enabling the terminal and the meter to implement synchronization based on the downlink channel and using the available time slots of the TD-SCDMA frame for calibration, not only the uplink calibration and the downlink calibration can be realized. Parallel execution, and simultaneous calibration of multiple calibration items in different time slots of the same TD-SCDMA data frame, thereby effectively improving calibration efficiency and reducing the complexity of the calibration process.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are included in the spirit and scope of the present invention, should be included in the present invention. Within the scope of protection.

Claims

A method for implementing terminal calibration, the method comprising: receiving, by a meter, a downlink homogenous channel parameter and a calibration parameter from a host, wherein the calibration parameter is used to indicate a transmission mode of the calibration data;

The meter transmits the peer data to the terminal by using the downlink peer channel, where the downlink channel is configured by the meter according to the downlink synchronization channel parameter configuration;

After the terminal detects the peer data and the meter and completes the peer, the meter sends the downlink calibration data to the terminal by time-division synchronous code division multiple access TD SCDMA data according to the calibration parameter. Receiving uplink calibration data from the terminal.

The implementation method according to claim 1, wherein the calibration parameter includes an uplink calibration parameter and a downlink calibration parameter, and the calibration parameter is previously notified by the host to the terminal, where The downlink calibration parameter is used to indicate a transmission mode of the downlink calibration data, and the uplink calibration parameter is used to indicate a transmission mode of the uplink calibration data;

The meter sends the downlink calibration data to the terminal, including:

The meter sends downlink calibration data to the terminal through the TD-SCDMA data frame according to the downlink calibration parameter;

The meter receiving uplink calibration data from the terminal includes:

The meter receives uplink calibration data sent by the terminal through the TD-SCDMA data according to the uplink calibration parameter.

The implementation method according to claim 2, wherein the sending, by the meter, the downlink calibration data to the terminal and receiving the uplink calibration data from the terminal further includes:

The terminal sends uplink calibration data to the meter through the TD-SCDMA data frame according to the uplink calibration parameter; and receives downlink calibration data sent by the meter through the TD-SCDMA data frame according to the downlink calibration parameter.

The implementation method according to claim 1, wherein the meter sends downlink calibration data to the terminal and receives uplink calibration data from the terminal, including one of the following:

The terminal and the meter simultaneously send calibration data to the other party when the successful synchronization condition is satisfied, wherein the successful synchronization condition refers to: the meter completes synchronization with the terminal, and The number of frames in which the meter sends the peer data to the terminal reaches a predetermined value;

The implementation method according to any one of claims 1 to 4, wherein the downlink synchronization channel parameter comprises at least one of: a frequency point of the downlink synchronization channel, and a downlink synchronization channel power.

The implementation method according to any one of claims 1 to 4, wherein the calibration parameter comprises at least one of the following: a frequency point, a time slot, and a control word for calibrating data transmission.

7. A device for implementing terminal calibration, for performing calibration on a terminal, wherein the device comprises:

a receiving module, configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, where the calibration parameter is used to indicate a transmission mode of the calibration data;

a synchronization module, configured to send synchronization data to the terminal by using a downlink synchronization channel, where the downlink peer channel is configured by the meter according to the downlink synchronization channel parameter configuration;

a calibration module, configured to send, by the terminal, a time division split code multiple access TD-SCDMA data frame to the terminal according to the calibration parameter, in a case that the terminal synchronizes with the meter and complete synchronization by detecting the synchronization data Downstream calibration data and receiving upstream calibration data from the terminal.

The implementation device according to claim 7, wherein the calibration parameter comprises an uplink calibration parameter and a downlink calibration parameter, wherein the calibration parameter is further notified to the terminal by the host, wherein The downlink calibration parameter is used to indicate a transmission mode of the downlink calibration data, and the uplink calibration parameter is used to indicate a transmission mode of the uplink calibration data;

The calibration module is specifically configured to send downlink calibration data to the terminal by using TD-SCDMA data according to the downlink calibration parameter, and configured to receive, by using the TD-SCDMA data frame, the terminal according to the uplink calibration parameter. Upstream calibration data.

The implementation device according to claim 7 or 8, wherein the downlink synchronization channel parameter comprises at least one of: a frequency point of the downlink synchronization channel and a power of the downlink synchronization channel; The calibration parameters include at least one of the following: a frequency point, a time slot, and a control word for calibrating the data transmission.

A terminal, wherein the terminal comprises: a receiving module, configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, where the calibration parameter is used to indicate a transmission mode of the calibration data;

a detecting module, configured to synchronize the terminal with the meter by detecting a downlink synchronization channel of the synchronization data according to the downlink synchronization channel parameter, where the downlink synchronization channel is determined by the meter The downlink synchronization channel parameter configuration is obtained;

a calibration module, configured to send uplink calibration data to the meter and receive from the meter by time-division synchronous code division multiple access TD-SCDMA data according to the calibration parameter, when the terminal completes synchronization with the meter Downstream calibration data.