CN106998248B - Signal sending method and user equipment - Google Patents

Abstract

The embodiment of the invention discloses a signal sending method, which comprises the following steps: receiving a first configuration parameter sent by a base station; determining a period corresponding to the first configuration parameter according to the corresponding relation between the configuration parameter and the period, wherein the period comprises a first period for sending the SRS through the special subframe and a second period for sending the SRS through the normal subframe; transmitting the SRS through the special subframe in the first period and/or transmitting the SRS through the normal subframe in the second period. The embodiment of the invention also provides the user equipment.

Description

A signal transmission method and user equipment

technical field

The present invention relates to a channel sounding reference signal (Sounding Reference Signal, SRS) design in the field of wireless communication, and in particular, to a signal transmission method and user equipment.

Background technique

With the development of wireless communication technology, very high transmission rates have been proposed in different fields and different scenarios. As a result, some special scenarios, such as high-speed scenarios and airline scenarios, have higher requirements for frequency synchronization. If the center frequency is relatively high or very high, the problem of Doppler frequency offset in high-speed scenarios will seriously affect the system performance, especially how to solve the problem of frequency offset estimation brings huge challenges.

For the problem of frequency offset measurement, although the industry has proposed many methods to solve it, there are also many problems, especially when the frequency offset value is large, or the estimation accuracy is relatively poor, or the frequency offset tracking speed is relatively slow. Neither can solve the problem of frequency offset well. According to the traditional way of using SRS for frequency offset measurement, there is a problem of poor estimation accuracy, and it is difficult to meet the requirements of measurement accuracy.

Due to the shortage of spectrum resources, the utilization rate of spectrum resources has also become an important concern. However, various measurement requirements require certain resources to be used for the transmission of pilot data, which undoubtedly reduces the utilization rate of resources. When SRS is transmitted periodically, if we need to set the period to be small in a certain time period in order to meet some measurement requirements, if the terminal always transmits according to this configuration, it will undoubtedly be a greater waste of resources.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the embodiments of the present invention expect to provide a signal sending method and user equipment, which can reduce waste of resources.

The technical scheme of the present invention is realized as follows:

A signal transmission method, the method includes:

receiving the first configuration parameter sent by the base station;

Determine the period corresponding to the first configuration parameter according to the corresponding relationship between the configuration parameter and the period, where the period includes a first period in which the channel sounding reference signal SRS is sent through special subframes and a second period in which the SRS is sent through normal subframes cycle;

The SRS is sent through the special subframe during the first period, and/or the SRS is sent through the normal subframe during the second period.

Wherein, when the second period is greater than the first period, the SRS is sent through the special subframe within the first period, and/or the normal period is sent within the second period Sending the SRS in a subframe includes:

using the first cycle as a sending cycle;

within the transmission period, triggering the transmission of the SRS through the special subframe;

After triggering to send the SRS through the special subframe, modify the sending cycle to a second cycle;

In the modified transmission period, it is triggered to transmit the SRS through the normal subframe.

Wherein, the sending the SRS through the special subframe in the first period, and/or sending the SRS through the normal subframe in the second period includes:

receiving an enable control instruction sent by the base station through high-layer signaling, where the enable control instruction is used to control the enabling of the period;

when the enable control instruction indicates that the second period is enabled, sending the SRS through the normal subframe in the second period;

When the enable control instruction indicates that both the second cycle and the first cycle are enabled, the SRS is sent through the special subframe during the first cycle, and the SRS is sent through the special subframe during the second cycle. The normal subframe transmits the SRS.

Wherein, the sending the SRS through the special subframe in the first period, and/or sending the SRS through the normal subframe in the second period includes:

determining whether the first period is less than the second period;

If the first period is equal to the second period, sending the SRS through the normal subframe within the second period;

If the first period is smaller than the second period, the SRS is sent through the special subframe within the first period, and the SRS is sent through the normal subframe within the second period.

Wherein, the second period is a small period within the first period.

Wherein, sending the SRS through the special subframe in the first period, and sending the SRS through the normal subframe in the second period includes:

obtaining the frequency domain starting positions of the first period and the second period;

In the first period, the SRS is sent at the starting position of the frequency domain of the first period;

In the second period, the SRS is sent at the starting position of the frequency domain of the second period.

Wherein, the obtaining the frequency domain starting positions of the first period and the second period includes:

满足：

Obtain the frequency domain starting positions of the first cycle and the second cycle, and the frequency domain starting positions

Satisfy:

When the SRS is transmitted on the normal subframe,

When the SRS is transmitted through the special subframe,

所述

Among them, the

said

表示的是SRS序列的长度，且所述

其中所述

表示频域上资源块RB所占用的子载波个数，其值为12，所述m_SRS,b表示所述用户设备分配的RB个数；所述n_b表示“树节点”索引号；所述

表示的是上行带宽；所述N_SP表示在一个无线帧内下行到上行的切换点的个数；所述n_hf表示所述SRS所处的特殊子帧；所述

表示的是所述SRS的配置参数；所述N_ap表示用于所述SRS传输的天线端口个数；所述

表示所述天线的端口索引；所述

表示所述用户设备分配的RB最大个数。said

represents the length of the SRS sequence, and the

wherein the

Indicates the number of subcarriers occupied by the resource block RB in the frequency domain, and its value is 12, the m _{SRS, b} represents the number of RBs allocated by the user equipment; the n _b represents the "tree node" index number; stated

represents the uplink bandwidth; the N _SP represents the number of switching points from downlink to uplink in a radio frame; the n _hf represents the special subframe where the SRS is located; the

represents the configuration parameter of the SRS; the _Nap represents the number of antenna ports used for the SRS transmission; the

represents the port index of the antenna; the

Indicates the maximum number of RBs allocated by the user equipment.

A user equipment, the user equipment includes:

a receiving unit, configured to receive the first configuration parameter sent by the base station;

a determining unit, configured to determine a period corresponding to the first configuration parameter according to the corresponding relationship between the configuration parameter and the period, where the period includes a first period through the SRS and a second period during which the SRS is sent through a normal subframe;

A sending unit, configured to send the SRS through the special subframe in the first period, and/or send the SRS through the normal subframe in the second period.

Wherein, when the second period is greater than the first period, the sending unit is specifically configured to:

using the first cycle as a sending cycle;

within the transmission period, triggering the transmission of the SRS through the special subframe;

After triggering to send the SRS through the special subframe, modify the sending cycle to a second cycle;

In the modified transmission period, it is triggered to transmit the SRS through the normal subframe.

Wherein, the sending unit is specifically used for:

receiving an enable control instruction sent by the base station through high-layer signaling, where the enable control instruction is used to control the enabling of the period;

when the enable control instruction indicates that the second period is enabled, sending the SRS through the normal subframe in the second period;

When the enable control instruction indicates that both the second cycle and the first cycle are enabled, the SRS is sent through the special subframe during the first cycle, and the SRS is sent through the special subframe during the second cycle. The normal subframe transmits the SRS.

Wherein, the sending unit is specifically used for:

determining whether the first period is less than the second period;

If the first period is equal to the second period, sending the SRS through the normal subframe within the second period;

If the first period is smaller than the second period, the SRS is sent through the special subframe within the first period, and the SRS is sent through the normal subframe within the second period.

Wherein, the second period is a small period within the first period.

Wherein, the sending unit includes:

an acquisition subunit, configured to acquire the frequency domain starting positions of the first period and the second period;

a sending subunit, configured to send the SRS at the start position of the frequency domain of the first cycle within the first cycle; start at the frequency domain of the second cycle within the second cycle The location sends the SRS.

Wherein, the acquisition subunit is specifically used for:

满足：

Obtain the frequency domain starting positions of the first cycle and the second cycle, and the frequency domain starting positions

Satisfy:

When the SRS is transmitted on the normal subframe,

When the SRS is transmitted through the special subframe,

所述

Among them, the

said

表示的是SRS序列的长度，且所述

其中所述

表示频域上资源块RB所占用的子载波个数，其值为12，所述m_SRS,b表示所述用户设备分配的RB个数；所述n_b表示“树节点”索引号；所述

表示的是上行带宽；所述N_SP表示在一个无线帧内下行到上行的切换点的个数；所述n_hf表示所述SRS所处的特殊子帧；所述

表示的是所述SRS的配置参数；所述N_ap表示用于所述SRS传输的天线端口个数；所述

表示所述天线的端口索引；所述

表示所述用户设备分配的RB最大个数。said

represents the length of the SRS sequence, and the

wherein the

Indicates the number of subcarriers occupied by the resource block RB in the frequency domain, and its value is 12, the m _{SRS, b} represents the number of RBs allocated by the user equipment; the n _b represents the "tree node" index number; stated

represents the uplink bandwidth; the N _SP represents the number of switching points from downlink to uplink in a radio frame; the n _hf represents the special subframe where the SRS is located; the

represents the configuration parameter of the SRS; the _Nap represents the number of antenna ports used for the SRS transmission; the

represents the port index of the antenna; the

Indicates the maximum number of RBs allocated by the user equipment.

Embodiments of the present invention provide a signal sending method and user equipment. First, a first configuration parameter sent by a base station is received, and the cycle configuration information includes a first cycle and a second cycle. A period corresponding to a configuration parameter, where the period includes a first period for sending SRS through special subframes and a second period for sending SRS through normal subframes. In this way, different configuration periods are set for different subframes, especially when some special subframes need to meet special measurement requirements, a second period smaller than the first period can be specially designed for the special subframes. In this way, the user equipment can SRS transmission is performed according to special subframes and ordinary subframes respectively, thereby reducing resource waste.

Description of drawings

1 is a flowchart of a method for sending a signal according to an embodiment of the present invention;

FIG. 2 is a time position diagram of SRS transmission on special subframes in this embodiment;

Fig. 3 is the inclusion relation diagram between the first period and the second period;

FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

This embodiment provides a signal sending method, which is applied to user equipment. As shown in FIG. 1 , the method includes:

Step 101: Receive a first configuration parameter sent by a base station.

Step 102: Determine the period corresponding to the first configuration parameter according to the corresponding relationship between the configuration parameter and the period.

The periods include a first period in which the SRS is transmitted through special subframes and a second period in which the SRS is transmitted through normal subframes.

Step 103: Send the SRS through the special subframe in the first cycle, and/or send the SRS through the normal subframe in the second cycle.

FIG. 2 is a schematic diagram of SRS transmission on special subframes. In FIG. 2 , user equipment 1 and user equipment occupy special subframes interleaved.

This embodiment provides two ways to send the period, the first way needs to trigger SRS transmission multiple times, and the second way needs to trigger SRS transmission once.

The first way is: when the second period is greater than the first period, the first period is used as the transmission period; within the transmission period, the SRS is triggered to be sent through the special subframe; after the SRS is sent through the special subframe, The transmission period is modified to the second period; in the modified transmission period, the sending of the SRS through the normal subframe is triggered.

Illustratively, in this embodiment, two consecutive SRS symbols are sent in the first period as the transmission period, that is, SRS transmission is triggered, and the transmission period is modified to the second period, and the second period is greater than the first period. Preferably, the first period is 2ms. It is worth noting that the configuration period can be modified to 2 ms when frequency offset measurement is required, and the period can be reconfigured when frequency offset measurement is not required.

Here, in this embodiment, the sending of the SRS can be triggered by two triggering methods. The first triggering method is to trigger the sending of the SRS through high-layer signaling sent by the base station. Specifically, the user equipment initiates a reconfiguration request to the upper layer (base station), or the lower layer of the base station initiates a reconfiguration request to the upper layer, and the upper layer reconfigures the transmission cycle according to the reconfiguration request, that is, when the transmission cycle is the first cycle, the transmission cycle Change to the second period, and vice versa; the second triggering manner is that the base station triggers the user equipment to send the SRS through downlink control information (Downlink Control Information, DCI). In the prior art, DCI is used to trigger SRS transmission, mainly for aperiodic SRS transmission.

Exemplarily, the present invention also proposes to use a DCI triggering manner to trigger SRS transmission. The specific implementation can be triggered to send SRS by sending DCI when the maintained frequency offset value needs to be updated, or when frequency offset measurement needs to be performed. There are three types of first cycles that can be selected in this trigger mode, namely 2ms, 5ms and 10ms. The specific selection can be determined according to the measurement requirements, which is not limited here. Considering the requirement to support the measurement of large frequency offset under high-speed conditions, 2ms is preferred from the perspective of frequency offset measurement, and the transmission is performed on two consecutive symbols on the UpPTs subframe (special subframe), which can also ensure the maximum frequency. Bias measurement needs. It is worth noting that when sending SRS on a special frame, we can configure a minimum period of 2ms, that is to say, we can send two consecutive SRS symbols on a special subframe on a half frame.

The second way is:

The second method can be divided into two types according to the different enabling methods.

The first enabling manner includes: receiving an enabling control instruction sent by the base station through high-layer signaling, where the enabling control instruction is used to enable the control period; when the enabling control instruction indicates the enabling of the second period, in the first The SRS is sent through the normal subframe in two cycles; when the enable control instruction indicates that both the second cycle and the first cycle are enabled, the SRS is sent through the special subframe in the first cycle, and the normal subframe is sent in the second cycle frame to send SRS.

Preferably, as shown in FIG. 3 , the second period is a small period within the first period.

The second enabling method includes: judging whether the first period is less than the second period; if the first period is equal to the second period, it means that the second period is enabled and the first period is not enabled; frame to send the SRS; if the first cycle is less than the second cycle, it means that both the first cycle and the second cycle are enabled; the SRS is sent through the special subframe in the first cycle, and the normal subframe is sent in the second cycle SRS.

For the second method, preferably, the second period is a small period within the first period.

Further, for the second method, step 103 specifically further includes: acquiring the frequency domain starting positions of the first period and the second period; and sending the SRS at the frequency domain starting position of the first period in the first period ; In the second cycle, the SRS is sent at the starting position of the frequency domain of the second cycle.

Specifically, if the second cycle is enabled, the SRS of the two cycles can be enabled with frequency hopping at the same time, or can be disabled at the same time, or can be enabled with frequency hopping in one of the two cycles. One cycle frequency hopping is not enabled.

和

相同的情况下，

的情况，如果不一致的话，两个SRS的梳齿位置错开，所述获取第一周期和第二周期的频域起始位置包括：If the second cycle of the SRS is enabled, the related parameters of the second cycle can be kept consistent with the first cycle, or the related parameters of the corresponding cycle can be issued through high-layer signaling inconsistent; therefore, when the configuration parameters are the same In this case, the starting position of the frequency domain of the second cycle may be kept consistent with the first cycle, or may be inconsistent with the first cycle. Preferably, the comb tooth positions (starting positions in the frequency domain) of the two SRSs corresponding to the first period are inconsistent, that is, when

and

In the same situation,

If it is inconsistent, the comb tooth positions of the two SRSs are staggered, and the acquisition of the frequency domain starting positions of the first cycle and the second cycle includes:

满足：Obtain the frequency domain starting position of the first cycle and the second cycle, the frequency domain starting position

Satisfy:

When the SRS is transmitted on the normal subframe,

When the SRS is transmitted through the special subframe,

所述

Among them, the

said

表示的是SRS序列的长度，且所述

其中所述

表示频域上资源块RB所占用的子载波个数，其值为12，所述m_SRS,b表示所述用户设备分配的RB个数；所述n_b表示“树节点”索引号；所述

表示的是上行带宽；所述N_SP表示在一个无线帧内下行到上行的切换点的个数；所述n_hf表示所述SRS所处的特殊子帧；所述

表示的是所述SRS的配置参数；所述N_ap表示用于所述SRS传输的天线端口个数；所述

表示所述天线的端口索引；所述

表示所述用户设备分配的RB最大个数。said

represents the length of the SRS sequence, and the

wherein the

Indicates the number of subcarriers occupied by the resource block RB in the frequency domain, and its value is 12, the m _{SRS, b} represents the number of RBs allocated by the user equipment; the n _b represents the "tree node" index number; stated

represents the uplink bandwidth; the N _SP represents the number of switching points from downlink to uplink in a radio frame; the n _hf represents the special subframe where the SRS is located; the

represents the configuration parameter of the SRS; the _Nap represents the number of antenna ports used for the SRS transmission; the

represents the port index of the antenna; the

Indicates the maximum number of RBs allocated by the user equipment.

Here, the special subframe in this embodiment is UpPTS.

In this embodiment, the corresponding relationship between the configuration parameters and the period is different in the two cases of the time division duplexing (Time Division Duplexing, TDD) and the frequency division duplexing (Frequency Division Duplexing, FDD) technology. , the TDD situation is shown in Table 1, and the FDD situation is shown in Table 2. In this way, the table lookup is based on the first period and the second period corresponding to the configuration parameters.

Table 1

Configuration parameters first cycle subframe offset second cycle 0 2 0,1 5, 10, 20, 40, 80, 160, 320 1 2 0,2 5, 10, 20, 40, 80, 160, 320 2 2 1,2 5, 10, 20, 40, 80, 160, 320 3 2 0,3 5, 10, 20, 40, 80, 160, 320 4 2 1,3 5, 10, 20, 40, 80, 160, 320 5 2 0,4 5, 10, 20, 40, 80, 160, 320 6 2 1,4 5, 10, 20, 40, 80, 160, 320 7 2 2,3 5, 10, 20, 40, 80, 160, 320 8 2 2,4 5, 10, 20, 40, 80, 160, 320 9 2 3,4 5, 10, 20, 40, 80, 160, 320 10–14 5 ISRS–10 10, 20, 40, 80, 160, 320 15–24 10 ISRS–15 20, 40, 80, 160, 320 25–44 20 ISRS–25 40, 80, 160, 320 45–84 40 ISRS–45 80, 160, 320 85–164 80 ISRS–85 160, 320 165–324 160 ISRS–165 320 325–644 320 ISRS–325 reserved 645–1023 reserved reserved reserved

Table 2

Configuration parameters first cycle subframe offset second cycle 0–1 2 ISRS 5, 10, 20, 40, 80, 160, 320 2–6 5 ISRS–2 10, 20, 40, 80, 160, 320 7–16 10 ISRS–7 20, 40, 80, 160, 320 17–36 20 ISRS–17 40, 80, 160, 320 37–76 40 ISRS–37 80, 160, 320 77–156 80 ISRS–77 160, 320 157–316 160 ISRS–157 320 317–636 320 ISRS–317 reserved 637–1023 reserved reserved reserved

Here, the second cycle in this embodiment is a small cycle within the first cycle, that is, when the SRS is sent through the special subframe in the first cycle, the SRS is sent through the normal subframe in the second cycle. As shown in FIG. 3 , the time period of the first cycle includes the time period of the second cycle. FIG. 3 is an exemplary illustration, and the start time of detection may be different or the same.

Correspondingly, the user equipment receives the first cycle, the second cycle and their related parameters, assuming that the calculated starting positions of the frequency domain defined by the two user equipments are 0 and 1 respectively, and the special The starting positions in the frequency domain corresponding to the two SRS symbols of the subframe are 1 and 0, respectively, as shown in Figure 2, so that the two SRS symbols on the UpPTs of subframe 0 are used for corresponding resource positions. SRS pilot data mapping. The two user equipments detect the frequency offset value in the first period and the second period. Here, the method for detecting the frequency offset value is the same as that in the prior art, and will not be described in detail in this embodiment.

Here, the relevant parameters include: bandwidth parameters and configuration parameters of the SRS, that is, the first configuration period and the second configuration period of the SRS.

Embodiment 2

An embodiment of the present invention provides a user equipment 20. As shown in FIG. 4, the user equipment 20 includes:

a receiving unit 201, configured to receive a first configuration parameter sent by a base station;

The determining unit 202 is configured to determine the period corresponding to the first configuration parameter according to the corresponding relationship between the configuration parameter and the period, and the period includes the first period for sending the channel sounding reference signal SRS through the first special subframe and the first period for transmitting the channel sounding reference signal SRS through the normal subframe. frame sending the second period of the SRS;

A sending unit 203, configured to send the SRS through the special subframe in the first period, and/or send the SRS through the normal subframe in the second period.

In this way, different configuration periods are set for different subframes, especially when some special subframes need to meet special measurement requirements, a second period smaller than the first period can be specially designed for the special subframes. In this way, the user equipment can SRS transmission is performed according to special subframes and ordinary subframes respectively, thereby reducing resource waste.

This embodiment provides two transmission modes. The first mode requires multiple triggering of SRS transmission, and the second requires triggering SRS transmission once.

For the first manner, when the second period is greater than the first period, the sending unit 203 is specifically configured to:

using the first cycle as a sending cycle;

within the transmission period, triggering the transmission of the SRS through the special subframe;

After triggering to send the SRS through the special subframe, modify the sending cycle to a second cycle;

In the modified transmission period, it is triggered to transmit the SRS through the normal subframe.

For the second manner, the sending unit 203 is specifically used for:

receiving an enable control instruction sent by the base station through high-layer signaling, where the enable control instruction is used to control the enabling of the period;

when the enable control instruction indicates that the second period is enabled, sending the SRS through the normal subframe in the second period;

When the enable control instruction indicates that both the second cycle and the first cycle are enabled, the SRS is sent through the special subframe during the first cycle, and the SRS is sent through the special subframe during the second cycle. The normal subframe transmits the SRS.

For the second way, the sending unit is specifically used for:

determining whether the first period is less than the second period;

If the first period is equal to the second period, sending the SRS through the normal subframe within the second period;

If the first period is smaller than the second period, the SRS is sent through the special subframe within the first period, and the SRS is sent through the normal subframe within the second period.

Preferably, the second period is a small period within the first period.

Further, the sending unit 203 includes:

an acquisition subunit 2031, configured to acquire the frequency domain starting positions of the first cycle and the second cycle;

The sending subunit 2032 is configured to send the SRS at the start position of the frequency domain of the first cycle in the first cycle; in the second cycle, start from the frequency domain of the second cycle The SRS is sent from the starting position.

Preferably, the obtaining subunit 2031 is specifically used for:

满足：

Obtain the frequency domain starting positions of the first cycle and the second cycle, and the frequency domain starting positions

Satisfy:

When the SRS is transmitted on the normal subframe,

When the SRS is transmitted through the special subframe,

所述

Among them, the

said

表示的是SRS序列的长度，且所述

其中所述

表示频域上资源块RB所占用的子载波个数，其值为12，所述m_SRS,b表示所述用户设备分配的RB个数；所述n_b表示“树节点”索引号；所述

表示的是上行带宽；所述N_SP表示在一个无线帧内下行到上行的切换点的个数；所述n_hf表示所述SRS所处的特殊子帧；所述

表示的是所述SRS的配置参数；所述N_ap表示用于所述SRS传输的天线端口个数；所述

表示所述天线的端口索引；所述

表示所述用户设备分配的RB最大个数。said

represents the length of the SRS sequence, and the

wherein the

Indicates the number of subcarriers occupied by the resource block RB in the frequency domain, and its value is 12, the m _{SRS, b} represents the number of RBs allocated by the user equipment; the n _b represents the "tree node" index number; stated

represents the uplink bandwidth; the N _SP represents the number of switching points from downlink to uplink in a radio frame; the n _hf represents the special subframe where the SRS is located; the

represents the configuration parameter of the SRS; the _Nap represents the number of antenna ports used for the SRS transmission; the

represents the port index of the antenna; the

Indicates the maximum number of RBs allocated by the user equipment.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (14)

1. A method for signaling, the method comprising:

receiving a first configuration parameter sent by a base station and used for determining a period;

determining a first period and a second period which are used for sending a channel Sounding Reference Signal (SRS) and correspond to the first configuration parameter according to the corresponding relation between the configuration parameters and the periods;

the SRS is transmitted by a special subframe in the first period and/or by a normal subframe in a second period.

2. The method of claim 1, wherein when the second periodicity is greater than the first periodicity, the transmitting the SRS in a special subframe in the first periodicity and/or the transmitting the SRS in a normal subframe in the second periodicity comprises:

taking the first period as a sending period;

triggering the SRS to be transmitted through the special subframe in the transmission period;

after triggering the SRS to be transmitted through the special subframe, modifying the transmission period into a second period;

and triggering to transmit the SRS through the normal subframe in the modified transmission period.

3. The method of claim 1, wherein the transmitting the SRS in the first period via a special subframe and/or the transmitting the SRS in the second period via a normal subframe comprises:

receiving an enabling control instruction sent by a base station through a high-level signaling, wherein the enabling control instruction is used for controlling the enabling of the period;

when the enabling control instruction indicates that the second period is enabled, transmitting the SRS through the normal subframe in the second period;

and when the enabling control instruction indicates that the second period and the first period are both enabled, transmitting the SRS through the special subframe in the first period, and transmitting the SRS through the normal subframe in the second period.

4. The method of claim 1, wherein the transmitting the SRS in the first period via a special subframe and/or the transmitting the SRS in the second period via a normal subframe comprises:

judging whether the first period is smaller than the second period;

if the first period is equal to the second period, transmitting the SRS through the normal subframe in the second period;

and if the first period is smaller than the second period, the SRS is sent through the special subframe in the first period, and the SRS is sent through the normal subframe in the second period.

5. The method of claim 3 or 4, wherein the second period is a small period within the first period.

6. The method of claim 5, wherein the SRS are transmitted in the special subframe in the first period, and wherein the SRS are transmitted in the normal subframe in the second period comprises:

acquiring frequency domain starting positions of the first period and the second period;

transmitting the SRS at a frequency domain starting position of the first period in the first period;

and transmitting the SRS at the frequency domain starting position of the second period in the second period.

7. The method of claim 6, wherein the obtaining the frequency domain start positions of the first and second periods comprises:

obtaining frequency domain starting positions of the first period and the second period, wherein the frequency domain starting positions

Satisfies the following conditions:

when the SRS is transmitted on the normal subframe,

when the SRS is transmitted through the special subframe,

wherein, the

The above-mentioned

The above-mentioned

Denotes the length of the SRS sequence, and

wherein said

Represents the number of sub-carriers occupied by the resource block RB in the frequency domain, and has a value of 12, m_SRS,bRepresenting the number of RBs allocated by the user equipment; n is_bRepresenting a "tree node" index number; the above-mentioned

The uplink bandwidth is shown; said N is_SPIndicating the number of switching points from downlink to uplink in a radio frame; n is_hfThe value of (d) indicates the location in the frame of the special subframe in which the SRS is located; the above-mentioned

Representing configuration parameters of the SRS; said N is_apIndicating the number of antenna ports used for the SRS transmission; the above-mentioned

A port index representing the antenna; the above-mentioned

Indicating the maximum number of RBs allocated by the user equipment.

8. A user equipment, the user equipment comprising:

the receiving unit is used for receiving a first configuration parameter which is sent by a base station and used for determining a period;

a determining unit, configured to determine, according to a correspondence between configuration parameters and periods, first and second periods, which are used for transmitting a channel sounding reference signal SRS, and correspond to the first configuration parameter;

a sending unit, configured to send the SRS through a special subframe in the first period, and/or send the SRS through a normal subframe in a second period.

9. The UE of claim 8, wherein when the second periodicity is greater than the first periodicity, the sending unit is specifically configured to:

taking the first period as a sending period;

triggering the SRS to be transmitted through the special subframe in the transmission period;

after triggering the SRS to be transmitted through the special subframe, modifying the transmission period into a second period;

and triggering to transmit the SRS through the normal subframe in the modified transmission period.

10. The ue of claim 8, wherein the sending unit is specifically configured to:

receiving an enabling control instruction sent by a base station through a high-level signaling, wherein the enabling control instruction is used for controlling the enabling of the period;

when the enabling control instruction indicates that the second period is enabled, transmitting the SRS through the normal subframe in the second period;

and when the enabling control instruction indicates that the second period and the first period are both enabled, transmitting the SRS through the special subframe in the first period, and transmitting the SRS through the normal subframe in the second period.

11. The ue of claim 8, wherein the sending unit is specifically configured to:

judging whether the first period is smaller than the second period;

if the first period is equal to the second period, transmitting the SRS through the normal subframe in the second period;

and if the first period is smaller than the second period, the SRS is sent through the special subframe in the first period, and the SRS is sent through the normal subframe in the second period.

12. The UE of claim 10 or 11, wherein the second period is a small period within the first period.

13. The UE of claim 12, wherein the sending unit comprises:

an obtaining subunit, configured to obtain frequency domain start positions of the first period and the second period;

a transmitting subunit, configured to transmit, in the first period, the SRS at a frequency domain start position of the first period; and transmitting the SRS at the frequency domain starting position of the second period in the second period.

14. The ue of claim 13, wherein the obtaining subunit is specifically configured to:

obtaining frequency domain starting positions of the first period and the second period, wherein the frequency domain starting positions

Satisfies the following conditions:

when the SRS is transmitted on the normal subframe,

when the SRS is transmitted through the special subframe,

wherein, the

The above-mentioned

The above-mentioned

Denotes the length of the SRS sequence, and

wherein said

Represents the number of sub-carriers occupied by the resource block RB in the frequency domain, and has a value of 12, m_SRS,bRepresenting the number of RBs allocated by the user equipment; n is_bRepresenting a "tree node" index number; the above-mentioned

The uplink bandwidth is shown; said N is_SPIndicating the number of switching points from downlink to uplink in a radio frame; n is_hfThe value of (d) indicates the location in the frame of the special subframe in which the SRS is located; the above-mentioned

Representing configuration parameters of the SRS; said N is_apIndicating the number of antenna ports used for the SRS transmission; the above-mentioned

A port index representing the antenna; the above-mentioned

Indicating the maximum number of RBs allocated by the user equipment.

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