CN106162697B - A frame structure configuration method, base station, user equipment and system - Google Patents

Abstract

The present invention discloses a frame structure configuration method, base station, user equipment and system, wherein the method includes: determining the transmission directions of M data subframes in the first transmission period and the corresponding user terminals; wherein M is greater than is a positive integer equal to 1; generate resource indication information, wherein the resource indication information is used to indicate the data transmission direction in the M data subframes and the corresponding user terminals; map the resource indication information to the first The physical downlink control channel in the control subframe of a transmission period; the resource indication information is sent to the user terminal through the physical downlink control channel, so that the user terminal can use the resource indication information in the corresponding data subframe data transfer.

Description

A frame structure configuration method, base station, user equipment and system

technical field

The present invention relates to a network management technology in the communication field, and in particular, to a frame structure configuration method, a base station, user equipment and a system.

Background technique

In the 5G era, the development of the mobile Internet and the Internet of Things will bring more diverse business needs. There are many types of small-packet services in the IoT business, and very little data is transmitted each time. At present, the frame structure of LTE is relatively fixed in the uplink and downlink, and the transmission of small-packet services has low resource utilization. For example, when the ratio of upstream and downstream is 3:1, it is used for smart meter business in the Internet of Things. The service is mainly uplink small packets, and downlink small packets are very few, and the spectrum utilization rate of the allocated downlink resources is low. By flexibly configuring uplink and downlink resources, it can meet different service resource requirements, improve spectrum utilization, and improve user perception.

In the existing LTE frame structure, one subframe (TTI) has both a control domain and a data domain, and the uplink and downlink subframe allocation ratio is fixed.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a frame structure configuration method, base station, user equipment and system, which can at least solve the above problems existing in the prior art.

In order to achieve the above object, the technical scheme of the present invention is achieved in this way:

The present invention provides a frame structure configuration method, which is applied to a base station, and the method includes:

Determine the transmission directions of the M data subframes in the first transmission period and the corresponding user terminals; wherein, M is a positive integer greater than or equal to 1;

generating resource indication information, wherein the resource indication information is used to indicate a data transmission direction in the M data subframes and a corresponding user terminal;

mapping the resource indication information to the physical downlink control channel in the control subframe of the first transmission period;

The resource indication information is sent to the user terminal through the physical downlink control channel, so that the user terminal uses the resource indication information to perform data transmission in the corresponding data subframe.

The present invention provides a frame structure configuration method, which is applied to a user terminal, and the method includes:

detecting the physical downlink control channel carried in the control subframe in the first transmission period;

Resource indication information is obtained from the physical downlink control channel; wherein, the resource indication information is used to indicate the data transmission direction in the M data subframes and the corresponding user terminals, where M is a positive integer greater than or equal to 1 ;

Data transmission is performed on the corresponding data subframe by using the resource indication information.

The present invention provides a base station, the base station includes:

a configuration unit, configured to determine the transmission directions of the M data subframes in the first transmission period and the corresponding user terminals; wherein, M is a positive integer greater than or equal to 1; generating resource indication information, wherein the resource indication information is used for Indicate the data transmission direction in the M data subframes and the corresponding user terminal;

a first communication unit, configured to map the resource indication information to a physical downlink control channel in a control subframe of the first transmission period; send the resource indication information to a user terminal through the physical downlink control channel, So that the user terminal uses the resource indication information to access the corresponding data subframe.

The present invention provides a user terminal, and the user terminal includes:

a second communication unit, configured to detect the physical downlink control channel carried in the control subframe in the first transmission period;

a processing unit, configured to obtain resource indication information from the physical downlink control channel; wherein, the resource indication information is used to indicate the data transmission direction in the M data subframes and the corresponding user terminals, where M is greater than A positive integer equal to 1; data transmission is performed in the corresponding data subframe by using the resource indication information.

The present invention provides a frame structure configuration system, the system includes:

The base station is used to determine the transmission directions of the M data subframes in the first transmission period and the corresponding user terminals; where M is a positive integer greater than or equal to 1; and generate resource indication information, where the resource indication information is used to indicate data transmission directions in the M data subframes and corresponding user terminals; mapping the resource indication information to the physical downlink control channel in the control subframe of the first transmission period; through the physical downlink control channel sending the resource indication information to the user terminal;

The user terminal is used to detect the physical downlink control channel carried in the control subframe in the first transmission period; obtain resource indication information from the physical downlink control channel; use the resource indication information in the corresponding data subframe data transfer.

The frame structure configuration method, base station, user equipment and system provided by the present invention can determine the transmission direction of each data subframe and the corresponding user terminal in the transmission period, use the determined information to generate resource indication information, and use the determined information to generate resource indication information. The bearer is sent to the user terminal in the physical downlink control channel, so that the user terminal can access the resources of the corresponding data subframe according to the received resource indication information. In this way, the purpose of separating the data domain and the control domain in the radio frame and flexibly configuring the data subframes is achieved; the resource requirements of different services can be further met by flexibly configuring the data subframes.

Description of drawings

FIG. 1 is a schematic flowchart 1 of a frame structure configuration method according to an embodiment of the present invention;

FIG. 2 is a schematic diagram 1 of a frame structure according to an embodiment of the present invention;

FIG. 3 is a schematic flowchart of generating resource indication information according to an embodiment of the present invention;

4 is a schematic flowchart of generating resource indication information for a user terminal according to an embodiment of the present invention;

5 is a second schematic diagram of a frame structure according to an embodiment of the present invention;

6 is a second schematic flowchart of a frame structure configuration method according to an embodiment of the present invention;

Fig. 7 is example one of the present invention;

Fig. 8 is the second example of the present invention;

Fig. 9 is the third example of the present invention;

Fig. 10 is Example 4 of the present invention;

Fig. 11 is the fifth example of the present invention;

FIG. 12 is a schematic diagram of the composition and structure of a base station according to an embodiment of the present invention;

FIG. 13 is a schematic diagram of the composition and structure of a user equipment according to an embodiment of the present invention;

FIG. 14 is a schematic diagram of a system composition according to an embodiment of the present invention.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Embodiment 1.

An embodiment of the present invention provides a frame structure configuration method, which is applied to a base station, as shown in FIG. 1 , including:

Step 101: Determine the transmission directions of the M data subframes in the first transmission period and the corresponding user terminals; wherein, M is a positive integer greater than or equal to 1;

Step 102: Generate resource indication information, wherein the resource indication information is used to indicate the data transmission direction in the M data subframes and the corresponding user terminals;

Step 103: Map the resource indication information to the physical downlink control channel in the control subframe of the first transmission period;

Step 104: Send the resource indication information to the user terminal through the physical downlink control channel, so that the user terminal uses the resource indication information to perform data transmission in the corresponding data subframe.

Here, the first transmission period may be a radio frame currently to be transmitted by the base station; the radio frame may be a frame with a length of 10ms, as shown in FIG. 2 ; generally, a radio frame includes 10 There are subframes, and the length of each subframe is 1 ms; FIG. 2 does not completely illustrate all subframes in a radio frame.

Preferably, the physical downlink control channel in this embodiment may be set in the first subframe of each transmission period, for example, as shown in FIG. 2 , where the first subframe 21 is used to carry the physical downlink control channel Downlink control channel.

The resource indication information generated in the above step 102, as shown in FIG. 3, includes:

Step 301: Generate public resource indication information; wherein, the public resource indication information is information sent to at least one user terminal managed by the base station;

Step 302: Generate resource indication information for the user terminal.

Steps 301 and 302 provided in this embodiment do not limit the execution order, and step 301 may be executed first and then step 302 may be executed; or, step 302 may be executed first and then step 301 may be executed; or, steps 301 and 302 may be executed simultaneously implement.

Preferably, the generating the common resource indication information may include: using one of the following information as the common resource indication information: the transmission directions of the M data subframes in the first transmission period are all uplink; the first transmission period The transmission directions of the M data subframes in the transmission period are all downlink; the transmission directions of the M data subframes in the first transmission period include uplink and downlink; the protection in the M data subframes in the first transmission period The location indication information of the time slot.

Wherein, the public resource indication information may be 2-bit indication information; the 2-bit indication information may be set through the first preset rule,

For example, it can be set to "00" to indicate that the transmission directions of the M data subframes in the first transmission period are all uplinks;

"11" indicates that the transmission directions of the M data subframes in the first transmission period are all downlink;

"01" The transmission directions of the M data subframes in the first transmission period include uplink and downlink.

It can be understood that the above only gives an example corresponding to the indication information corresponding to each 2 bits, and in fact, it can be flexibly set according to requirements.

Further, when the transmission directions of the M data subframes in the first transmission period include uplink and downlink, the position indication information of the guard time slot (GP) can be enabled; the length of the position indication information of the GP can be 3 bits. The location indication information of the GP can be set according to the actual situation, for example, when the location indication information of the GP is 001, it means that the GP occupies the last few symbols of the first subframe; the location indication information 111 of the GP means that the GP occupies the first subframe. The last few symbols of 7 subframes.

Preferably, the generating resource indication information for the user terminal, as shown in FIG. 4 , may include:

Step 401: Generate resource indication sub-information for the user terminal;

Step 402: Generate resource location indication sub-information for the user terminal;

Step 403: Generate the resource indication information for the user terminal by using the identification information of the user terminal, the resource indication sub-information, and the resource location indication sub-information.

Steps 401 and 402 provided in this embodiment do not limit the execution order. Steps 401 may be executed first and then step 402 may be executed; or, steps 402 may be executed first and then step 401 may be executed; or, steps 401 and 402 may be executed simultaneously implement.

The foregoing generation of the resource indication information for the user terminal by using the identification information of the user terminal, the resource indication sub-information, and the resource location indication sub-information may include:

Using the C-RNTI of the user terminal to scramble the resource indication sub-information to obtain the scrambled resource indication sub-information;

Using the C-RNTI of the user terminal to scramble the resource location indication sub-information to obtain the scrambled resource location indication sub-information;

The scrambled resource indication sub-information and the scrambled resource location indication sub-information are used as the resource indication information.

The length of the resource indication sub-information in this embodiment may be used to indicate the number of uplink/downlink resources occupied by the user terminal in the M data subframes in the first transmission period; scrambled uplink resource location indication information, 3 bits; including user C-RNTI scrambled downlink resource location indication information, 3 bits.

In this embodiment, the resource position indication sub-information may be 3 bits, which are used to indicate the starting position of uplink/downlink resources occupied by the user terminal in the M data subframes in the first transmission period. The starting position may be a starting data subframe indicating uplink/downlink resources occupied by the user terminal.

Preferably, the data transmitted in the data subframe in this embodiment may be pure uplink or pure downlink data, and may also transmit with/without demodulated RS signals. The location of the data subframe may be at 23 of the M data subframes as shown in FIG. 2 .

Preferably, the solution provided in this embodiment may further include: determining an uplink control channel in a control subframe in the first transmission period. Wherein, the uplink control channel may at least include A/N, CQI, SRS, RS for demodulation and other information. The uplink control channel may be located in control subframe 22.

The frame structure provided in this embodiment is described below with reference to FIG. 5 . FIG. 5 shows a plurality of subframes in a radio detection system. The physical downlink control channel is carried in the first subframe 51 , which may be in the last subframe 52 Bearing the uplink control channel; except for the first subframe and the last subframe, all are data subframes, and uplink data or downlink data can be transmitted in the data subframe.

It can be seen that by adopting the above scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information can be generated by using the determined information, and the resource indication information can be carried in the physical downlink control channel. The user terminal enables the user terminal to access the resources of the corresponding data subframe according to the received resource indication information. In this way, the purpose of separating the data domain and the control domain in the radio frame and flexibly configuring the data subframes is achieved; the resource requirements of different services can be further met by flexibly configuring the data subframes.

Embodiment two,

An embodiment of the present invention provides a frame structure configuration method, which is applied to a user terminal, as shown in FIG. 6 , including:

Step 601: Detecting the physical downlink control channel carried in the control subframe in the first transmission period;

Step 602: Obtain resource indication information from the physical downlink control channel; wherein, the resource indication information is used to indicate the data transmission direction in the M data subframes and the corresponding user terminals, where M is greater than or equal to 1 positive integer of ;

Step 603: Use the resource indication information to perform data transmission on the corresponding data subframe.

Here, the first transmission period may be a radio frame currently to be transmitted by the base station; the radio frame may be a frame with a length of 10ms, as shown in FIG. 2 ; generally, a radio frame includes 10 There are subframes, and the length of each subframe is 1 ms; FIG. 2 does not completely illustrate all subframes in a radio frame.

Preferably, the physical downlink control channel in this embodiment may be set in the first subframe of each transmission period, for example, as shown in FIG. 2 , where the first subframe 21 is used to carry the physical downlink control channel Downlink control channel.

The acquiring resource indication information from the physical downlink control channel includes: acquiring common resource indication information from the physical downlink control channel; acquiring resource indication information for the user terminal from the physical downlink control channel . Wherein, the common resource indication information is information sent to at least one user terminal managed by the base station; the order of the above two operations is not limited.

Preferably, the common resource indication information may include one of the following information: the transmission directions of the M data subframes in the first transmission period are all uplink; the transmission direction of the M data subframes in the first transmission period The directions are all downlink; the transmission directions of the M data subframes in the first transmission period include uplink and downlink; the position indication information of the guard time slots in the M data subframes in the first transmission period.

Wherein, the public resource indication information may be 2-bit indication information; the 2-bit indication information may be set through the first preset rule,

For example, it can be set to "00" to indicate that the transmission directions of the M data subframes in the first transmission period are all uplinks;

"11" indicates that the transmission directions of the M data subframes in the first transmission period are all downlink;

"01" The transmission directions of the M data subframes in the first transmission period include uplink and downlink.

It can be understood that the above only gives an example corresponding to the indication information corresponding to each 2 bits, and in fact, it can be flexibly set according to requirements.

Further, the obtaining the resource indication information for the user terminal from the physical downlink control channel includes: the user terminal uses the identification information to parse the resource indication information for the user terminal to obtain resource indication sub-information , and the resource location indication sub-information. Specifically, the user terminal uses its own C-RNTI to parse the physical downlink control channel, decode its own uplink and downlink resource indication information and uplink and downlink resource location indication information, and find its own uplink and downlink resources.

The length of the resource indication sub-information in this embodiment may be used to indicate the number of uplink/downlink resources occupied by the user terminal in the M data subframes in the first transmission period; for example, including the user C-RNTI scrambling Uplink resource location indication information, 3 bits; including downlink resource location indication information scrambled by the user C-RNTI, 3 bits.

In this embodiment, the resource position indication sub-information may be 3 bits, and is used to indicate the starting position of uplink/downlink resources occupied by the user terminal in the M data subframes in the first transmission period.

Preferably, the data transmitted in the data subframe in this embodiment may be pure uplink or pure downlink data, and may also transmit with/without demodulated RS signals. The location of the data subframe may be at 23 of the M data subframes as shown in FIG. 2 .

Preferably, the solution provided in this embodiment may further include: determining an uplink control channel in a control subframe in the first transmission period. Wherein, the uplink control channel may at least include A/N, CQI, SRS, RS for demodulation and other information. The uplink control channel may be located in control subframe 22.

The frame structure provided in this embodiment is described below with reference to FIG. 5 . FIG. 5 shows a plurality of subframes in a radio detection system. The physical downlink control channel is carried in the first subframe 51 , which may be in the last subframe 52 Bearing the uplink control channel; except for the first subframe and the last subframe, all are data subframes, and uplink data or downlink data can be transmitted in the data subframe.

Several examples are provided below to further end this embodiment:

Example 1, as shown in Figure 7, includes:

Step 701: the user terminal receives the physical downlink control channel (PDCCH), and parses and obtains the common resource indication information as 11;

Step 702: The user terminal uses its own C-RNTI to parse the resource indication information in the physical downlink control channel;

Step 703: The downlink resource indication information in the PDCCH is "111", which means that the data fields in the period T are all downlink resources of the user; no need to parse the downlink resource location indication information, the default is from the next subframe of the downlink control subframe. The frame starts; data transmission is performed according to the specific scheduling information of the user in the PDCCH.

Example 2: As shown in Figure 8, the data fields in one transmission period (T) are all downlinks, which belong to different users; including:

Step 801: the user terminal receives the PDCCH, and parses and obtains the public resource indication information as 11;

Step 802: the user terminal parses the PDCCH with its own C-RNTI;

Step 803: Each user determines its own downlink resources according to the downlink resource indication information and downlink resource location indication information in its own PDCCH;

Step 804: Each user performs data transmission in their respective downlink resources according to their respective scheduling information in the PDCCH.

Example 3, as shown in Figure 9, includes:

Step 901: the user terminal receives the PDCCH, and parses the public resource indication information, "00";

Step 902: the user terminal parses the PDCCH with its own C-RNTI;

Step 903: The uplink resource indication information in the PDCCH is "111", which means that all the data fields in the period T are the uplink resources of the user; the user will no longer need to parse the uplink resource location indication information, and the downlink control subframe will be used by default. The next subframe starts; data transmission is performed according to the specific scheduling information of the user in the PDCCH.

Example 4, as shown in Figure 10, includes:

Step 1001: the user terminal receives the PDCCH, and parses the public resource indication information, "00";

Step 1002: the user terminal parses the PDCCH with its own C-RNTI;

Step 1003: Each user determines its own uplink resources according to the uplink resource indication information and the uplink resource location indication information in its own PDCCH;

Step 1004: Each user performs data transmission in their respective uplink resources according to their respective scheduling information in the PDCCH.

Example 5, as shown in Figure 11, includes: the data fields in a period T are M downlinks and N uplinks, belonging to the same or different users;

Step 1101: The user terminal receives the PDCCH and parses the public resource indication information, "01";

Step 1102: the user terminal parses the PDCCH with its own C-RNTI;

Step 1103: Each user determines its own uplink and downlink resources according to the uplink and downlink resource indication information and the uplink and downlink resource location indication information in its own PDCCH;

Step 1104: Perform data transmission according to the specific scheduling information of the user in the PDCCH;

Step 1105: The user terminal punctures the downlink data according to the GP location indication information; wherein, the puncturing may be to perform rate matching on the subframe data according to the GP resource information and the GP location information.

It can be seen that by adopting the above scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information can be generated by using the determined information, and the resource indication information can be carried in the physical downlink control channel and sent to the The user terminal enables the user terminal to access the resources of the corresponding data subframe according to the received resource indication information. In this way, the purpose of separating the data domain and the control domain in the radio frame and flexibly configuring the data subframes is achieved; the resource requirements of different services can be further met by flexibly configuring the data subframes.

Embodiment three,

An embodiment of the present invention provides a base station, as shown in FIG. 12 , including:

The configuration unit 1201 is used to determine the transmission direction of the M data subframes in the first transmission period and the corresponding user terminals; wherein, M is a positive integer greater than or equal to 1; and generate resource indication information, wherein the resource indication information uses for indicating the data transmission direction in the M data subframes and the corresponding user terminal;

A first communication unit 1202, configured to map the resource indication information to a physical downlink control channel in a control subframe of the first transmission period; send the resource indication information to a user terminal through the physical downlink control channel .

Here, the first transmission period may be a radio frame currently to be transmitted by the base station; the radio frame may be a frame with a length of 10ms, as shown in FIG. 2 ; generally, a radio frame includes 10 There are subframes, and the length of each subframe is 1 ms; FIG. 2 does not completely illustrate all subframes in a radio frame.

Preferably, the physical downlink control channel in this embodiment may be set in the first subframe of each transmission period, for example, as shown in FIG. 2 , where the first subframe 21 is used to carry the physical downlink control channel Downlink control channel.

The configuration unit 1201 is specifically configured to generate public resource indication information; and generate resource indication information for the user terminal. The common resource indication information is information sent to at least one user terminal managed by the base station.

Preferably, the configuration unit 1201 is specifically configured to use one of the following information as the common resource indication information: the transmission directions of the M data subframes in the first transmission period are all uplink; the first transmission period The transmission directions of the M data subframes are all downlink; the transmission directions of the M data subframes in the first transmission period include uplink and downlink; the guard timeslots in the M data subframes in the first transmission period location indication information.

Wherein, the public resource indication information may be 2-bit indication information; the 2-bit indication information may be set through the first preset rule,

For example, it can be set to "00" to indicate that the transmission directions of the M data subframes in the first transmission period are all uplinks;

"11" indicates that the transmission directions of the M data subframes in the first transmission period are all downlink;

"01" The transmission directions of the M data subframes in the first transmission period include uplink and downlink.

It can be understood that the above only gives an example corresponding to the indication information corresponding to each 2 bits, and in fact, it can be flexibly set according to requirements.

Further, when the transmission directions of the M data subframes in the first transmission period include uplink and downlink, the position indication information of the guard time slot (GP) can be enabled; the length of the position indication information of the GP can be 3 bits. The location indication information of the GP can be set according to the actual situation, for example, when the location indication information of the GP is 001, it means that the GP occupies the last few symbols of the first subframe; the location indication information 111 of the GP means that the GP occupies the first subframe. The last few symbols of 7 subframes.

Preferably, the configuration unit 1201 is specifically configured to generate resource indication sub-information for the user terminal; generate resource location indication sub-information for the user terminal; use the identification information of the user terminal and the resource indication sub-information , and the resource location indication sub-information generates the resource indication information for the user terminal.

The configuration unit 1201 is specifically configured to use the C-RNTI of the user terminal to scramble the resource indication sub-information to obtain the scrambled resource indication sub-information;

Using the C-RNTI of the user terminal to scramble the resource location indication sub-information to obtain the scrambled resource location indication sub-information;

The scrambled resource indication sub-information and the scrambled resource location indication sub-information are used as the resource indication information.

The length of the resource indication sub-information in this embodiment may be used to indicate the number of uplink/downlink resources occupied by the user terminal in the M data subframes in the first transmission period; scrambled uplink resource location indication information, 3 bits; including user C-RNTI scrambled downlink resource location indication information, 3 bits.

In this embodiment, the resource position indication sub-information may be 3 bits, which are used to indicate the starting position of uplink/downlink resources occupied by the user terminal in the M data subframes in the first transmission period.

Preferably, the data transmitted in the data subframe in this embodiment may be pure uplink or pure downlink data, and may also transmit with/without demodulated RS signals. The location of the data subframe may be at 23 of the M data subframes as shown in FIG. 2 .

Preferably, in the solution provided in this embodiment, the configuration unit 1201 may also be used to determine the uplink control channel in the control subframe in the first transmission period. Wherein, the uplink control channel may at least include A/N, CQI, SRS, RS for demodulation and other information. The uplink control channel may be located in control subframe 22.

The frame structure provided in this embodiment is described below with reference to FIG. 5 . FIG. 5 shows a plurality of subframes in a radio detection system. The physical downlink control channel is carried in the first subframe 51 , which may be in the last subframe 52 Bearing the uplink control channel; except for the first subframe and the last subframe, all are data subframes, and uplink data or downlink data can be transmitted in the data subframe.

It can be seen that by adopting the above scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information can be generated by using the determined information, and the resource indication information can be carried in the physical downlink control channel. The user terminal enables the user terminal to access the resources of the corresponding data subframe according to the received resource indication information. In this way, the purpose of separating the data domain and the control domain in the radio frame and flexibly configuring the data subframes is achieved; the resource requirements of different services can be further met by flexibly configuring the data subframes.

Embodiment four,

An embodiment of the present invention provides a user terminal. As shown in FIG. 13 , the user terminal includes:

The second communication unit 1301 is configured to detect the physical downlink control channel carried in the control subframe in the first transmission period;

The processing unit 1302 is configured to obtain resource indication information from the physical downlink control channel; wherein, the resource indication information is used to indicate the data transmission direction in the M data subframes and the corresponding user terminals, where M is A positive integer greater than or equal to 1; data transmission is performed on the corresponding data subframe by using the resource indication information.

Here, the first transmission period may be a radio frame currently to be transmitted by the base station; the radio frame may be a frame with a length of 10ms, as shown in FIG. 2 ; generally, a radio frame includes 10 There are subframes, and the length of each subframe is 1 ms; FIG. 2 does not completely illustrate all subframes in a radio frame.

Preferably, the physical downlink control channel in this embodiment may be set in the first subframe of each transmission period, for example, as shown in FIG. 2 , where the first subframe 21 is used to carry the physical downlink control channel Downlink control channel.

The processing unit 1302 is specifically configured to acquire common resource indication information from the physical downlink control channel; acquire resource indication information for the user terminal from the physical downlink control channel. The order of the above two operations is not limited.

Preferably, the common resource indication information may include one of the following information: the transmission directions of the M data subframes in the first transmission period are all uplink; the transmission direction of the M data subframes in the first transmission period The directions are all downlink; the transmission directions of the M data subframes in the first transmission period include uplink and downlink.

Wherein, the public resource indication information may be 2-bit indication information; the 2-bit indication information may be set through the first preset rule,

For example, it can be set to "00" to indicate that the transmission directions of the M data subframes in the first transmission period are all uplinks;

"11" indicates that the transmission directions of the M data subframes in the first transmission period are all downlink;

"01" The transmission directions of the M data subframes in the first transmission period include uplink and downlink.

It can be understood that the above only gives an example corresponding to the indication information corresponding to each 2 bits, and in fact, it can be flexibly set according to requirements.

Further, the processing unit 1302 is specifically configured for the user terminal to use the identification information to parse the resource indication information for the user terminal to obtain resource indication sub-information and the resource location indication sub-information. Specifically, the user terminal uses its own C-RNTI to parse the physical downlink control channel, decodes its own uplink and downlink resource indication information and uplink and downlink resource location indication information, and finds its own uplink and downlink resources.

The length of the resource indication sub-information in this embodiment may be used to indicate the number of uplink/downlink resources occupied by the user terminal in the M data subframes in the first transmission period; for example, including the user C-RNTI scrambling Uplink resource location indication information, 3 bits; including downlink resource location indication information scrambled by the user C-RNTI, 3 bits.

In this embodiment, the resource position indication sub-information may be 3 bits, which are used to indicate the starting position of uplink/downlink resources occupied by the user terminal in the M data subframes in the first transmission period.

Preferably, the data transmitted in the data subframe in this embodiment may be pure uplink or pure downlink data, and may also transmit with/without demodulated RS signals. The location of the data subframe may be at 23 of the M data subframes as shown in FIG. 2 .

Preferably, the processing unit 1302 is specifically configured to determine the uplink control channel in the control subframe in the first transmission period. Wherein, the uplink control channel may at least include A/N, CQI, SRS, RS for demodulation and other information. The uplink control channel may be located in control subframe 22.

The frame structure provided in this embodiment is described below with reference to FIG. 5 . FIG. 5 shows a plurality of subframes in a radio detection system. The physical downlink control channel is carried in the first subframe 51 , which may be in the last subframe 52 Bearing the uplink control channel; except for the first subframe and the last subframe, all are data subframes, and uplink data or downlink data can be transmitted in the data subframe.

It can be seen that by adopting the above scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information can be generated by using the determined information, and the resource indication information can be carried in the physical downlink control channel. The user terminal enables the user terminal to access the resources of the corresponding data subframe according to the received resource indication information. In this way, the purpose of separating the data domain and the control domain in the radio frame and flexibly configuring the data subframes is achieved; the resource requirements of different services can be further met by flexibly configuring the data subframes.

Embodiment five,

An embodiment of the present invention provides a frame structure configuration system, as shown in FIG. 14 , including:

The base station 1401 is used to determine the transmission directions of the M data subframes in the first transmission period and the corresponding user terminals; wherein, M is a positive integer greater than or equal to 1; and generate resource indication information, wherein the resource indication information is used for Indicate the data transmission direction in the M data subframes and the corresponding user terminals; map the resource indication information to the physical downlink control channel in the control subframe of the first transmission period; through the physical downlink control the channel sends the resource indication information to the user terminal;

The user terminal 1402 is configured to detect the physical downlink control channel carried in the control subframe in the first transmission period; obtain resource indication information from the physical downlink control channel; frame for data transmission.

It can be seen that by adopting the above scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information can be generated by using the determined information, and the resource indication information can be carried in the physical downlink control channel. The user terminal enables the user terminal to access the resources of the corresponding data subframe according to the received resource indication information. In this way, the purpose of separating the data domain and the control domain in the radio frame and flexibly configuring the data subframes is achieved; the resource requirements of different services can be further met by flexibly configuring the data subframes.

If the integrated modules described in the embodiments of the present invention are implemented in the form of software function modules and sold or used as independent products, they may also be stored in a computer-readable storage medium. Based on this understanding, the technical solutions of the embodiments of the present invention may be embodied in the form of software products in essence or the parts that make contributions to the prior art. The computer software products are stored in a storage medium and include several instructions for A computer device (which may be a personal computer, a server, or a network device, etc.) is caused to execute all or part of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, Read-Only Memory (ROM, Read-Only Memory), Random Access Memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes . As such, embodiments of the present invention are not limited to any particular combination of hardware and software.

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 (17)

1. A frame structure configuration method, applied to a base station, wherein the method comprises: Determine the transmission direction of the M data subframes in the first transmission period and the corresponding user terminals; wherein, M is a positive integer greater than or equal to 1; wherein, the first subframe and the last subframe in the first transmission period frame as a control subframe, and subframes other than the first subframe and the last subframe in the first transmission period are used as data subframes; generating resource indication information, wherein the resource indication information is used to indicate a data transmission direction in the M data subframes and a corresponding user terminal; mapping the resource indication information to the physical downlink control channel in the control subframe of the first transmission period; The resource indication information is sent to the user terminal through the physical downlink control channel, so that the user terminal uses the resource indication information to perform data transmission in the corresponding data subframe. 2. The method according to claim 1, wherein the generating resource indication information comprises: generating public resource indication information; wherein the public resource indication information is information sent to at least one user terminal managed by the base station; Generate resource indication information for the user terminal. 3. The method according to claim 2, wherein the generating public resource indication information comprises: Use one of the following information as the public resource indication information: The transmission directions of the M data subframes in the first transmission period are all uplinks; The transmission directions of the M data subframes in the first transmission period are all downlink; The transmission directions of the M data subframes in the first transmission period include uplink and downlink; Position indication information of guard time slots in M data subframes in the first transmission period. 4. The method according to claim 2, wherein the generating the resource indication information for the user terminal comprises: generating resource indication sub-information for the user terminal; generating resource location indication sub-information for the user terminal; The resource indication information for the user terminal is generated by using the identification information of the user terminal, the resource indication sub-information, and the resource location indication sub-information. 5. A frame structure configuration method, applied to a user terminal, wherein the method comprises: The physical downlink control channel carried in the control subframe in the first transmission period is detected; wherein, the first subframe and the last subframe in the first transmission period are used as control subframes, and the first transmission period The subframes other than the first subframe and the last subframe are regarded as data subframes; Resource indication information is obtained from the physical downlink control channel; wherein, the resource indication information is used to indicate the data transmission direction in the M data subframes and the corresponding user terminals, where M is a positive integer greater than or equal to 1; Data transmission is performed on the corresponding data subframe by using the resource indication information. 6. The method according to claim 5, wherein the obtaining resource indication information from the physical downlink control channel comprises: Acquire common resource indication information from the physical downlink control channel; wherein, the common resource indication information is information sent to at least one user terminal managed by the base station; Resource indication information for the user terminal is acquired from the physical downlink control channel. 7. The method according to claim 6, wherein the acquiring common resource indication information from the physical downlink control channel comprises: Obtaining public resource indication information by parsing from the physical downlink control channel; Wherein, the public resource indication information is one of the following information: The transmission directions of the M data subframes in the first transmission period are all uplinks; The transmission directions of the M data subframes in the first transmission period are all downlink; The transmission directions of the M data subframes in the first transmission period include uplink and downlink; Position indication information of guard time slots in M data subframes in the first transmission period. 8. The method according to claim 7, wherein the obtaining resource indication information for the user terminal from the physical downlink control channel comprises: The user terminal uses the identification information to parse the resource indication information for the user terminal to obtain resource indication sub-information and the resource location indication sub-information. 9. A base station, wherein the base station comprises: a configuration unit, configured to determine the transmission directions of the M data subframes in the first transmission period and the corresponding user terminals; wherein, M is a positive integer greater than or equal to 1; generating resource indication information, wherein the resource indication information is used for Indicate the data transmission direction in the M data subframes and the corresponding user terminals; wherein, the first subframe and the last subframe in the first transmission period are used as control subframes, and the first transmission period The subframes other than the first subframe and the last subframe are regarded as data subframes; A first communication unit, configured to map the resource indication information to a physical downlink control channel in a control subframe of the first transmission period; and send the resource indication information to a user terminal through the physical downlink control channel. 10 . The base station according to claim 9 , wherein the configuration unit is specifically configured to generate public resource indication information; and generate resource indication information for user terminals; 10 . The common resource indication information is information sent to at least one user terminal managed by the base station. 11. The base station according to claim 10, wherein the configuration unit is specifically configured to use one of the following information as the public resource indication information: The transmission directions of the M data subframes in the first transmission period are all uplinks; The transmission directions of the M data subframes in the first transmission period are all downlink; The transmission directions of the M data subframes in the first transmission period include uplink and downlink; Position indication information of guard time slots in M data subframes in the first transmission period. 12. The base station according to claim 10, wherein the configuration unit is specifically configured to generate resource indication sub-information for the user terminal; generate resource location indication sub-information for the user terminal; The identification information of the user terminal, the resource indication sub-information, and the resource location indication sub-information generate the resource indication information for the user terminal. 13. A user terminal, wherein the user terminal comprises: The second communication unit is configured to detect the physical downlink control channel carried in the control subframe in the first transmission period; wherein the first subframe and the last subframe in the first transmission period are used as control subframes , subframes other than the first subframe and the last subframe in the first transmission period are used as data subframes; a processing unit, configured to obtain resource indication information from the physical downlink control channel; wherein, the resource indication information is used to indicate the data transmission direction in the M data subframes and the corresponding user terminals, where M is greater than or equal to 1 is a positive integer; use the resource indication information to perform data transmission in the corresponding data subframe. 14. The user terminal according to claim 13, wherein the processing unit is specifically configured to acquire common resource indication information from the physical downlink control channel; acquire from the physical downlink control channel Resource indication information of the user terminal; Wherein, the common resource indication information is information sent to at least one user terminal managed by the base station. 15. The user terminal according to claim 14, wherein the processing unit is specifically configured to parse and obtain common resource indication information from the physical downlink control channel; Wherein, the public resource indication information is one of the following information: The transmission directions of the M data subframes in the first transmission period are all uplinks; The transmission directions of the M data subframes in the first transmission period are all downlink; The transmission directions of the M data subframes in the first transmission period include uplink and downlink; Position indication information of guard time slots in M data subframes in the first transmission period. 16. The user terminal according to claim 14, wherein the processing unit is specifically configured for the user terminal to use the identification information to parse the resource indication information for the user terminal to obtain resource indication sub-information, and the resource location indication sub-information. 17. A frame structure configuration system, wherein the system comprises: The base station is used to determine the transmission directions of the M data subframes in the first transmission period and the corresponding user terminals; where M is a positive integer greater than or equal to 1; and generate resource indication information, where the resource indication information is used to indicate data transmission directions in the M data subframes and corresponding user terminals; mapping the resource indication information to the physical downlink control channel in the control subframe of the first transmission period; through the physical downlink control channel Sending the resource indication information to the user terminal; wherein, the first subframe and the last subframe in the first transmission period are used as control subframes, and the first subframe is divided into the first transmission period. frame and subframes other than the last subframe are used as data subframes; the user terminal is used to detect the physical downlink control channel carried in the control subframe in the first transmission period; obtain from the physical downlink control channel to the resource indication information; using the resource indication information to perform data transmission in the corresponding data subframe.

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