CN106162697B - Frame structure configuration method, base station, user equipment and system - Google Patents
Frame structure configuration method, base station, user equipment and system Download PDFInfo
- Publication number
- CN106162697B CN106162697B CN201510185717.2A CN201510185717A CN106162697B CN 106162697 B CN106162697 B CN 106162697B CN 201510185717 A CN201510185717 A CN 201510185717A CN 106162697 B CN106162697 B CN 106162697B
- Authority
- CN
- China
- Prior art keywords
- indication information
- resource indication
- data
- information
- subframe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a frame structure configuration method, a base station, user equipment and a system, wherein the method comprises the following steps: determining the transmission directions of M data subframes and corresponding user terminals in a first transmission period; wherein M is a positive integer greater than or equal to 1; generating resource indication information, wherein the resource indication information is used for indicating data transmission directions in the M data subframes and corresponding user terminals; mapping the resource indication information to a physical downlink control channel in a control subframe of the first transmission period; and sending the resource indication information to a user terminal through the physical downlink control channel so that the user terminal performs data transmission on a corresponding data subframe by using the resource indication information.
Description
Technical Field
The present invention relates to network management technologies in the field of communications, and in particular, to a frame structure configuration method, a base station, a user equipment, and a system.
Background
The development of the mobile internet and the internet of things in the 5G era will bring more diversified business demands. The internet of things service has a plurality of packet service types, data transmission each time is extremely little, the uplink and downlink proportion of the frame structure of the LTE is relatively fixed at present, and the resource utilization rate is relatively low when packet service is transmitted. And if the uplink and downlink proportion is 3:1, the method is used for the intelligent electric meter service in the Internet of things. The service is mainly an uplink packet, the number of downlink packets is very small, and the spectrum utilization rate of the allocated downlink resource is low. By flexibly configuring uplink and downlink resources, the requirements of different service resources are met, the frequency spectrum utilization rate is improved, and the user perception is improved.
In a subframe (TTI) of the existing LTE frame structure, the LTE frame structure has a control domain and a data domain, and the ratio of uplink and downlink subframes is relatively fixed.
Disclosure of Invention
In view of the above, the present invention provides a frame configuration method, a base station, a user equipment and a system, which can at least solve the above problems in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a frame structure configuration method, which is applied to a base station and comprises the following steps:
determining the transmission directions of M data subframes and corresponding user terminals in a first transmission period; wherein M is a positive integer greater than or equal to 1;
generating resource indication information, wherein the resource indication information is used for indicating data transmission directions in the M data subframes and corresponding user terminals;
mapping the resource indication information to a physical downlink control channel in a control subframe of the first transmission period;
and sending the resource indication information to a user terminal through the physical downlink control channel so that the user terminal performs data transmission on a corresponding data subframe by using the resource indication information.
The invention provides a frame structure configuration method, which is applied to a user terminal and comprises the following steps:
detecting a physical downlink control channel carried in a control subframe in a first transmission period;
acquiring resource indication information from the physical downlink control channel; the resource indication information is used for indicating data transmission directions in the M data subframes and corresponding user terminals, and M is a positive integer greater than or equal to 1;
and carrying out data transmission on the corresponding data subframe by utilizing the resource indication information.
The present invention provides a base station, comprising:
a configuration unit, configured to determine transmission directions of M data subframes in a first transmission period and 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 indicating data transmission directions in the M data subframes and corresponding user terminals;
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 sending the resource indication information to a user terminal through the physical downlink control channel so that the user terminal accesses a corresponding data subframe by using the resource indication information.
The invention provides a user terminal, which comprises:
a second communication unit, configured to detect a physical downlink control channel carried in a control subframe in a first transmission period;
a processing unit, configured to obtain resource indication information from the physical downlink control channel; the resource indication information is used for indicating data transmission directions in the M data subframes and corresponding user terminals, and M is a positive integer greater than or equal to 1; and carrying out data transmission on the corresponding data subframe by utilizing the resource indication information.
The invention provides a frame structure configuration system, comprising:
the base station is used for determining the transmission directions of the M data subframes in the first transmission period and 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 indicating data transmission directions in the M data subframes and corresponding user terminals; mapping the resource indication information to a physical downlink control channel in a control subframe of the first transmission period; sending the resource indication information to a user terminal through the physical downlink control channel;
the user terminal is used for detecting a physical downlink control channel carried in a control subframe in a first transmission period; acquiring resource indication information from the physical downlink control channel; and carrying out data transmission on the corresponding data subframe by utilizing the resource indication information.
The frame structure configuration method, the base station, the user equipment and the system provided by the invention can determine the transmission direction of each data subframe and the corresponding user terminal in a transmission period, generate the resource indication information by using the determined information, bear the resource indication information in the physical downlink control channel and send the resource indication information to the user terminal, so that the user terminal accesses the resource of the corresponding data subframe according to the received resource indication information. Therefore, the purposes of separating a data domain and a control domain in a wireless frame and flexibly configuring a data subframe are achieved; the requirements of different services on resources can be further met by flexibly configuring the data subframes.
Drawings
FIG. 1 is a first flowchart illustrating a frame structure configuration method according to an embodiment of the present invention;
FIG. 2 is a first frame structure according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a process of generating resource indication information according to an embodiment of the present invention;
fig. 4 is a schematic flow chart illustrating a process of generating resource indication information for a ue according to an embodiment of the present invention;
FIG. 5 is a second frame structure diagram according to the present invention;
FIG. 6 is a second flowchart illustrating a frame structure configuration method according to an embodiment of the present invention;
FIG. 7 illustrates an exemplary one of the present invention;
FIG. 8 illustrates example two of the present invention;
FIG. 9 is example three of the present invention;
FIG. 10 illustrates example four of the present invention;
FIG. 11 is example five of the present invention;
FIG. 12 is a diagram illustrating a base station structure according to an embodiment of the present invention;
fig. 13 is a schematic diagram of a user equipment composition structure according to an embodiment of the present invention;
FIG. 14 is a system diagram according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The first embodiment,
An embodiment of the present invention provides a frame structure configuration method, which is applied to a base station, and as shown in fig. 1, the method includes:
step 101: determining the transmission directions of M data subframes and corresponding user terminals in a first transmission period; wherein M is a positive integer greater than or equal to 1;
step 102: generating resource indication information, wherein the resource indication information is used for indicating data transmission directions in the M data subframes and corresponding user terminals;
step 103: mapping the resource indication information to a physical downlink control channel in a control subframe of the first transmission period;
step 104: and sending the resource indication information to a user terminal through the physical downlink control channel so that the user terminal performs data transmission on a 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, 10 subframes are included in one wireless sensor, and each subframe is 1ms in length; not fully illustrated in fig. 2 is for all subframes in one radio frame.
Preferably, in this embodiment, the physical downlink control channel may be set in a 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.
The generating resource indication information in step 102 may include, as shown in fig. 3:
step 301: generating public resource indication information; the public resource indication information is information sent to at least one user terminal managed by the base station;
step 302: resource indication information for the user terminal is generated.
The steps 301 and 302 provided in this embodiment do not limit the execution sequence, and the step 301 may be executed first and then the step 302 may be executed; alternatively, step 302 may be performed first and then step 301 may be performed; alternatively, step 301 and step 302 may be performed simultaneously.
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 M data subframes in the first transmission period are all uplink; 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 comprise uplink and downlink; position indication information of guard slots in M data subframes in the first transmission period.
Wherein the common resource indication information may be 2-bit indication information; the 2-bit indication information may be set by a first preset rule,
for example, "00" may be set to indicate that the transmission directions of M data subframes in the first transmission period are all uplink;
"11" indicates that 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 "01" first transmission period include uplink and downlink.
It is understood that the above only gives examples corresponding to the indication information corresponding to each 2 bits, and the flexible setting can be actually performed according to the requirement.
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) may be enabled; the position indication information length of the GP may be 3 bits; the position indication information of the GP may be set according to actual conditions, for example, when the position indication information of the GP is 001, it indicates that the GP occupies the last symbols of the first subframe; the position indication information 111 of the GP indicates that the GP occupies the last several symbols of the 7 th subframe.
Preferably, the generating resource indication information for the user terminal, as shown in fig. 4, may include:
step 401: generating resource indication sub-information for the user terminal;
step 402: generating resource position indication sub-information for the user terminal;
step 403: and generating the resource indication information aiming at the user terminal by utilizing the identification information of the user terminal, the resource indication sub-information and the resource position indication sub-information.
The steps 401 and 402 provided in this embodiment do not limit the execution sequence, and the step 401 may be executed first and then the step 402 may be executed; alternatively, step 402 may be performed first and then step 401 may be performed; alternatively, step 401 and step 402 may be executed simultaneously.
The generating 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:
scrambling the resource indicator sub-information by using the C-RNTI of the user terminal to obtain scrambled resource indicator sub-information;
scrambling the resource position indicator sub-information by using the C-RNTI of the user terminal to obtain the scrambled resource position indicator sub-information;
and taking the scrambled resource indication sub-information and the scrambled resource position indication sub-information as the resource indication information.
In this embodiment, the length of the resource indicator sub-information may be used to indicate the number of uplink/downlink resources occupied by the ue in M data subframes in the first transmission period; for example, the uplink resource location indication information including user C-RNTI scrambling is 3 bits; the downlink resource position indication information containing the user C-RNTI scrambling is 3 bits.
In this embodiment, the resource location indicator sub-information may be 3 bits, and is used to indicate a starting location of uplink/downlink resources occupied by the ue in M data subframes in the first transmission period. The starting position may be a starting data subframe indicating uplink/downlink resources occupied by the ue.
Preferably, the data transmitted in the data subframe in this embodiment may be pure uplink data or pure downlink data, and may also transmit a demodulation RS signal. The data subframes may be located at 23 for M data subframes as shown in fig. 2.
Preferably, in the scheme provided in this embodiment, the method may further include: and determining an uplink control channel in a control subframe in the first transmission period. The uplink control channel may include at least information such as a/N, CQI, SRS, and RS for demodulation. The uplink control channel may be located in a control subframe 22.
Next, the frame structure provided in this embodiment is described with reference to fig. 5, where fig. 5 shows a plurality of subframes in a wireless sensor, a first subframe 51 carries a physical downlink control channel, and a last subframe 52 can carry an uplink control channel; except the first subframe and the last subframe, the subframes are data subframes, and uplink data or downlink data can be transmitted in the data subframes.
Therefore, by adopting the scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information is generated by utilizing the determined information, the resource indication information is carried in the physical downlink control channel and is sent to the user terminal, and the user terminal is enabled to access the resource of the corresponding data subframe according to the received resource indication information. Therefore, the purposes of separating a data domain and a control domain in a wireless frame and flexibly configuring a data subframe are achieved; the requirements of different services on resources can be further met by flexibly configuring the data subframes.
Example II,
An embodiment of the present invention provides a frame structure configuration method, which is applied to a user terminal, and as shown in fig. 6, the method includes:
step 601: detecting a physical downlink control channel carried in a control subframe in a first transmission period;
step 602: acquiring resource indication information from the physical downlink control channel; the resource indication information is used for indicating data transmission directions in the M data subframes and corresponding user terminals, and M is a positive integer greater than or equal to 1;
step 603: and carrying out data transmission on the corresponding data subframe by utilizing 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, 10 subframes are included in one wireless sensor, and each subframe is 1ms in length; not fully illustrated in fig. 2 is for all subframes in one radio frame.
Preferably, in this embodiment, the physical downlink control channel may be set in a 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.
The acquiring resource indication information from the physical downlink control channel includes: acquiring common resource indication information from the physical downlink control channel; and acquiring resource indication information aiming at the user terminal from the physical downlink control channel. The public 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 M data subframes in the first transmission period are all uplink; 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 comprise uplink and downlink; position indication information of guard slots in M data subframes in the first transmission period.
Wherein the common resource indication information may be 2-bit indication information; the 2-bit indication information may be set by a first preset rule,
for example, "00" may be set to indicate that the transmission directions of M data subframes in the first transmission period are all uplink;
"11" indicates that 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 "01" first transmission period include uplink and downlink.
It is understood that the above only gives examples corresponding to the indication information corresponding to each 2 bits, and the flexible setting can be actually performed according to the requirement.
Further, the acquiring resource indication information for the user equipment from the physical downlink control channel includes: and the user terminal analyzes the resource indication information aiming at the user terminal by utilizing the identification information to obtain resource indication sub-information and resource position indication sub-information. Specifically, the user terminal analyzes the physical downlink control channel by using the C-RNTI thereof, decodes the uplink and downlink resource indication information and the uplink and downlink resource position indication information thereof, and finds the uplink and downlink resources thereof.
In this embodiment, the length of the resource indicator sub-information may be used to indicate the number of uplink/downlink resources occupied by the ue in M data subframes in the first transmission period; for example, the uplink resource location indication information including user C-RNTI scrambling is 3 bits; the downlink resource position indication information containing the user C-RNTI scrambling is 3 bits.
In this embodiment, the resource location indicator sub-information may be 3 bits, and is used to indicate a starting location of uplink/downlink resources occupied by the ue in M data subframes in the first transmission period.
Preferably, the data transmitted in the data subframe in this embodiment may be pure uplink data or pure downlink data, and may also transmit a demodulation RS signal. The data subframes may be located at 23 for M data subframes as shown in fig. 2.
Preferably, in the scheme provided in this embodiment, the method may further include: and determining an uplink control channel in a control subframe in the first transmission period. The uplink control channel may include at least information such as a/N, CQI, SRS, and RS for demodulation. The uplink control channel may be located in a control subframe 22.
Next, the frame structure provided in this embodiment is described with reference to fig. 5, where fig. 5 shows a plurality of subframes in a wireless sensor, a first subframe 51 carries a physical downlink control channel, and a last subframe 52 can carry an uplink control channel; except the first subframe and the last subframe, the subframes are data subframes, and uplink data or downlink data can be transmitted in the data subframes.
Several examples are provided below, further concluding the present embodiment:
example one, as shown in fig. 7, includes:
step 701: a user terminal receives a Physical Downlink Control Channel (PDCCH), and public resource indication information is obtained through analysis and is 11;
step 702: the user terminal analyzes the resource indication information in the physical downlink control channel by using the C-RNTI of the user terminal;
step 703: if the downlink resource indication information in the PDCCH is "111", it indicates that all data fields in the period T are downlink resources of the user; the downlink resource position indication information is not needed to be analyzed, and the default is started from the next subframe of the downlink control subframe; and carrying out data transmission according to the specific scheduling information of the user in the PDCCH.
Example two, as shown in fig. 8, the data field in one transmission period (T) is full downlink and belongs to different users respectively; the method comprises the following steps:
step 801: the user terminal receives the PDCCH, and public resource indication information is obtained by analyzing the PDCCH and is 11;
step 802: the user terminal analyzes the PDCCH by using the C-RNTI of the user terminal;
step 803: each user determines own downlink resource according to downlink resource indication information and downlink resource position indication information in the PDCCH of the user;
step 804: and each user carries out data transmission in the downlink resource according to the scheduling information in the PDCCH.
Example three, as shown in fig. 9, includes:
step 901: the user terminal receives the PDCCH and analyzes the public resource indication information of '00';
step 902: the user terminal analyzes the PDCCH by using the C-RNTI of the user terminal;
step 903: if the uplink resource indication information in the PDCCH is "111", it indicates that all data fields in the period T are uplink resources of the user; the user does not need to analyze the uplink resource position indication information again, and defaults to start from the next subframe of the downlink control subframe; and carrying out data transmission according to the specific scheduling information of the user in the PDCCH.
Example four, as shown in fig. 10, includes:
step 1001: the user terminal receives the PDCCH and analyzes the public resource indication information of '00';
step 1002: the user terminal analyzes the PDCCH by using the C-RNTI of the user terminal;
step 1003: each user determines the uplink resource according to the uplink resource indication information and the uplink resource position indication information in the PDCCH of the user;
step 1004: and each user carries out data transmission in the uplink resource according to the scheduling information in the PDCCH.
Example five, as shown in fig. 11, includes: the data fields in one period T are M downlinks and N uplinks, and belong to the same or different users;
step 1101: the user terminal receives the PDCCH and analyzes the public resource indication information of '01';
step 1102: the user terminal analyzes the PDCCH by using the C-RNTI of the user terminal;
step 1103: each user determines the uplink and downlink resources according to the uplink and downlink resource indication information and the uplink and downlink resource position indication information in the PDCCH of the user;
step 1104: carrying out data transmission according to the specific scheduling information of the user in the PDCCH;
step 1105: the user terminal punches the downlink data according to the GP position indication information; the puncturing may be rate matching of the subframe data according to GP resource information and GP location information.
Therefore, by adopting the scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information is generated by utilizing the determined information, the resource indication information is carried in the physical downlink control channel and is sent to the user terminal, and the user terminal is enabled to access the resource of the corresponding data subframe according to the received resource indication information. Therefore, the purposes of separating a data domain and a control domain in a wireless frame and flexibly configuring a data subframe are achieved; the requirements of different services on resources can be further met by flexibly configuring the data subframes.
Example III,
An embodiment of the present invention provides a base station, as shown in fig. 12, including:
a configuration unit 1201, configured to determine transmission directions of M data subframes in a first transmission period and 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 indicating data transmission directions in the M data subframes and corresponding user terminals;
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; and sending 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, 10 subframes are included in one wireless sensor, and each subframe is 1ms in length; not fully illustrated in fig. 2 is for all subframes in one radio frame.
Preferably, in this embodiment, the physical downlink control channel may be set in a 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.
A configuration unit 1201, specifically configured to generate common resource indication information; resource indication information for the user terminal is generated. Wherein 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 M data subframes in the first transmission period are all uplink; 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 comprise uplink and downlink; position indication information of guard slots in M data subframes in the first transmission period.
Wherein the common resource indication information may be 2-bit indication information; the 2-bit indication information may be set by a first preset rule,
for example, "00" may be set to indicate that the transmission directions of M data subframes in the first transmission period are all uplink;
"11" indicates that 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 "01" first transmission period include uplink and downlink.
It is understood that the above only gives examples corresponding to the indication information corresponding to each 2 bits, and the flexible setting can be actually performed according to the requirement.
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) may be enabled; the position indication information length of the GP may be 3 bits; the position indication information of the GP may be set according to actual conditions, for example, when the position indication information of the GP is 001, it indicates that the GP occupies the last symbols of the first subframe; the position indication information 111 of the GP indicates that the GP occupies the last several symbols of the 7 th subframe.
Preferably, the configuration unit 1201 is specifically configured to generate resource indication sub-information for the ue; generating resource position indication sub-information for the user terminal; and generating the resource indication information aiming at the user terminal by utilizing the identification information of the user terminal, the resource indication sub-information and the resource position indication sub-information.
A configuration unit 1201, specifically configured to scramble the resource indicator sub-information using the C-RNTI of the user terminal to obtain the scrambled resource indicator sub-information;
scrambling the resource position indicator sub-information by using the C-RNTI of the user terminal to obtain the scrambled resource position indicator sub-information;
and taking the scrambled resource indication sub-information and the scrambled resource position indication sub-information as the resource indication information.
In this embodiment, the length of the resource indicator sub-information may be used to indicate the number of uplink/downlink resources occupied by the ue in M data subframes in the first transmission period; for example, the uplink resource location indication information including user C-RNTI scrambling is 3 bits; the downlink resource position indication information containing the user C-RNTI scrambling is 3 bits.
In this embodiment, the resource location indicator sub-information may be 3 bits, and is used to indicate a starting location of uplink/downlink resources occupied by the ue in M data subframes in the first transmission period.
Preferably, the data transmitted in the data subframe in this embodiment may be pure uplink data or pure downlink data, and may also transmit a demodulation RS signal. The data subframes may be located at 23 for M data subframes as shown in fig. 2.
Preferably, in the scheme provided in this embodiment, the configuration unit 1201 may be further configured to determine an uplink control channel in a control subframe in the first transmission period. The uplink control channel may include at least information such as a/N, CQI, SRS, and RS for demodulation. The uplink control channel may be located in a control subframe 22.
Next, the frame structure provided in this embodiment is described with reference to fig. 5, where fig. 5 shows a plurality of subframes in a wireless sensor, a first subframe 51 carries a physical downlink control channel, and a last subframe 52 can carry an uplink control channel; except the first subframe and the last subframe, the subframes are data subframes, and uplink data or downlink data can be transmitted in the data subframes.
Therefore, by adopting the scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information is generated by utilizing the determined information, the resource indication information is carried in the physical downlink control channel and is sent to the user terminal, and the user terminal is enabled to access the resource of the corresponding data subframe according to the received resource indication information. Therefore, the purposes of separating a data domain and a control domain in a wireless frame and flexibly configuring a data subframe are achieved; the requirements of different services on resources can be further met by flexibly configuring the data subframes.
Example four,
An embodiment of the present invention provides a user terminal, as shown in fig. 13, where the user terminal includes:
a second communication unit 1301, configured to detect a physical downlink control channel carried in a control subframe in a first transmission period;
a processing unit 1302, configured to obtain resource indication information from the physical downlink control channel; the resource indication information is used for indicating data transmission directions in the M data subframes and corresponding user terminals, and M is a positive integer greater than or equal to 1; and carrying out data transmission on the corresponding data subframe by utilizing 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, 10 subframes are included in one wireless sensor, and each subframe is 1ms in length; not fully illustrated in fig. 2 is for all subframes in one radio frame.
Preferably, in this embodiment, the physical downlink control channel may be set in a 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.
The processing unit 1302 is specifically configured to acquire common resource indication information from the physical downlink control channel; and acquiring resource indication information aiming at 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 M data subframes in the first transmission period are all uplink; the transmission directions of the M data subframes in the first transmission period are all downlink; and the transmission directions of the M data subframes in the first transmission period comprise uplink and downlink.
Wherein the common resource indication information may be 2-bit indication information; the 2-bit indication information may be set by a first preset rule,
for example, "00" may be set to indicate that the transmission directions of M data subframes in the first transmission period are all uplink;
"11" indicates that 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 "01" first transmission period include uplink and downlink.
It is understood that the above only gives examples corresponding to the indication information corresponding to each 2 bits, and the flexible setting can be actually performed according to the requirement.
Further, the processing unit 1302 is specifically configured to analyze the resource indication information for the ue by using the identification information, so as to obtain resource indication sub-information and resource position indication sub-information. Specifically, the user terminal analyzes the physical downlink control channel by using the C-RNTI thereof, decodes the uplink and downlink resource indication information and the uplink and downlink resource position indication information thereof, and finds the uplink and downlink resources thereof.
In this embodiment, the length of the resource indicator sub-information may be used to indicate the number of uplink/downlink resources occupied by the ue in M data subframes in the first transmission period; for example, the uplink resource location indication information including user C-RNTI scrambling is 3 bits; the downlink resource position indication information containing the user C-RNTI scrambling is 3 bits.
In this embodiment, the resource location indicator sub-information may be 3 bits, and is used to indicate a starting location of uplink/downlink resources occupied by the ue in M data subframes in the first transmission period.
Preferably, the data transmitted in the data subframe in this embodiment may be pure uplink data or pure downlink data, and may also transmit a demodulation RS signal. The data subframes may be located at 23 for M data subframes as shown in fig. 2.
Preferably, the processing unit 1302 is specifically configured to determine an uplink control channel in a control subframe in the first transmission cycle. The uplink control channel may include at least information such as a/N, CQI, SRS, and RS for demodulation. The uplink control channel may be located in a control subframe 22.
Next, the frame structure provided in this embodiment is described with reference to fig. 5, where fig. 5 shows a plurality of subframes in a wireless sensor, a first subframe 51 carries a physical downlink control channel, and a last subframe 52 can carry an uplink control channel; except the first subframe and the last subframe, the subframes are data subframes, and uplink data or downlink data can be transmitted in the data subframes.
Therefore, by adopting the scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information is generated by utilizing the determined information, the resource indication information is carried in the physical downlink control channel and is sent to the user terminal, and the user terminal is enabled to access the resource of the corresponding data subframe according to the received resource indication information. Therefore, the purposes of separating a data domain and a control domain in a wireless frame and flexibly configuring a data subframe are achieved; the requirements of different services on resources can be further met by flexibly configuring the data subframes.
Example V,
An embodiment of the present invention provides a frame structure configuration system, as shown in fig. 14, including:
a base station 1401, configured to determine transmission directions of M data subframes in a first transmission period and 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 indicating data transmission directions in the M data subframes and corresponding user terminals; mapping the resource indication information to a physical downlink control channel in a control subframe of the first transmission period; sending the resource indication information to a user terminal through the physical downlink control channel;
a user equipment 1402, configured to detect a physical downlink control channel carried in a control subframe in a first transmission period; acquiring resource indication information from the physical downlink control channel; and carrying out data transmission on the corresponding data subframe by utilizing the resource indication information.
Therefore, by adopting the scheme, the transmission direction of each data subframe and the corresponding user terminal can be determined in the transmission period, the resource indication information is generated by utilizing the determined information, the resource indication information is carried in the physical downlink control channel and is sent to the user terminal, and the user terminal is enabled to access the resource of the corresponding data subframe according to the received resource indication information. Therefore, the purposes of separating a data domain and a control domain in a wireless frame and flexibly configuring a data subframe are achieved; the requirements of different services on resources can be further met by flexibly configuring the data subframes.
The integrated module according to the embodiment of the present invention may also be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as an independent product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (17)
1. A frame structure configuration method is applied to a base station, and is characterized in that the method comprises the following steps:
determining the transmission directions of M data subframes and corresponding user terminals in a first transmission period; wherein M is a positive integer greater than or equal to 1; wherein a first subframe and a last subframe in the first transmission period are used as control subframes, and subframes except 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 for indicating data transmission directions in the M data subframes and corresponding user terminals;
mapping the resource indication information to a physical downlink control channel in a control subframe of the first transmission period;
and sending the resource indication information to a user terminal through the physical downlink control channel so that the user terminal performs data transmission on a corresponding data subframe by using the resource indication information.
2. The method of claim 1, wherein the generating resource indication information comprises:
generating public resource indication information; the public 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 generated.
3. The method of claim 2, wherein the generating common resource indication information comprises:
using one of the following information as the common resource indication information:
the transmission directions of M data subframes in the first transmission period are all uplink;
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 comprise uplink and downlink;
position indication information of guard slots in M data subframes in the first transmission period.
4. The method of claim 2, wherein the generating resource indication information for the user terminal comprises:
generating resource indication sub-information for the user terminal;
generating resource position indication sub-information for the user terminal;
and generating the resource indication information aiming at the user terminal by utilizing the identification information of the user terminal, the resource indication sub-information and the resource position indication sub-information.
5. A frame structure configuration method is applied to a user terminal, and is characterized in that the method comprises the following steps:
detecting a physical downlink control channel carried in a control subframe in a first transmission period; wherein a first subframe and a last subframe in the first transmission period are used as control subframes, and subframes except the first subframe and the last subframe in the first transmission period are used as data subframes;
acquiring resource indication information from the physical downlink control channel; the resource indication information is used for indicating data transmission directions in M data subframes and corresponding user terminals, and M is a positive integer greater than or equal to 1;
and carrying out data transmission on the corresponding data subframe by utilizing the resource indication information.
6. The method according to claim 5, wherein the acquiring resource indication information from the physical downlink control channel includes:
acquiring common resource indication information from the physical downlink control channel; the public resource indication information is information sent to at least one user terminal managed by a base station;
and acquiring resource indication information aiming at the user terminal 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 includes:
analyzing the physical downlink control channel to obtain public resource indication information;
wherein the common resource indication information is one of the following information:
the transmission directions of M data subframes in the first transmission period are all uplink;
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 comprise uplink and downlink;
position indication information of guard slots in M data subframes in the first transmission period.
8. The method according to claim 7, wherein the acquiring resource indication information for the user terminal from the physical downlink control channel includes:
and the user terminal analyzes the resource indication information aiming at the user terminal by utilizing the identification information to obtain resource indication sub-information and resource position indication sub-information.
9. A base station, characterized in that the base station comprises:
a configuration unit, configured to determine transmission directions of M data subframes in a first transmission period and 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 indicating data transmission directions in the M data subframes and corresponding user terminals; wherein a first subframe and a last subframe in the first transmission period are used as control subframes, and subframes except the first subframe and the last subframe in the first transmission period are used 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 sending 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 common resource indication information; generating resource indication information for a user terminal;
wherein 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 common resource indication information:
the transmission directions of M data subframes in the first transmission period are all uplink;
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 comprise uplink and downlink;
position indication information of guard 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; generating resource position indication sub-information for the user terminal; and generating the resource indication information aiming at the user terminal by utilizing the identification information of the user terminal, the resource indication sub-information and the resource position indication sub-information.
13. A user terminal, characterized in that the user terminal comprises:
a second communication unit, configured to detect a physical downlink control channel carried in a control subframe in a first transmission period; wherein a first subframe and a last subframe in the first transmission period are used as control subframes, and subframes except 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; the resource indication information is used for indicating data transmission directions in M data subframes and corresponding user terminals, and M is a positive integer greater than or equal to 1; and carrying out data transmission on the corresponding data subframe by utilizing the resource indication information.
14. The ue according to claim 13, wherein the processing unit is specifically configured to acquire common resource indication information from the physical downlink control channel; acquiring resource indication information for the user terminal from the physical downlink control channel;
the common resource indication information is information sent to at least one user terminal managed by the base station.
15. The ue according to claim 14, wherein the processing unit is specifically configured to obtain common resource indication information from the pdcch by parsing;
wherein the common resource indication information is one of the following information:
the transmission directions of M data subframes in the first transmission period are all uplink;
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 comprise uplink and downlink;
position indication information of guard slots in M data subframes in the first transmission period.
16. The ue of claim 14, wherein the processing unit is specifically configured to parse, by the ue, the resource indication information for the ue using the identification information, to obtain resource indication sub-information and the resource location indication sub-information.
17. A frame structure configuration system, the system comprising:
the base station is used for determining the transmission directions of the M data subframes in the first transmission period and 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 indicating data transmission directions in the M data subframes and corresponding user terminals; mapping the resource indication information to a physical downlink control channel in a control subframe of the first transmission period; sending the resource indication information to a user terminal through the physical downlink control channel; wherein a first subframe and a last subframe in the first transmission period are used as control subframes, and subframes except the first subframe and the last subframe in the first transmission period are used as data subframes; the user terminal is used for detecting a physical downlink control channel carried in a control subframe in a first transmission period; acquiring resource indication information from the physical downlink control channel; and carrying out data transmission on the corresponding data subframe by utilizing the resource indication information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185717.2A CN106162697B (en) | 2015-04-17 | 2015-04-17 | Frame structure configuration method, base station, user equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185717.2A CN106162697B (en) | 2015-04-17 | 2015-04-17 | Frame structure configuration method, base station, user equipment and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106162697A CN106162697A (en) | 2016-11-23 |
| CN106162697B true CN106162697B (en) | 2020-01-17 |
Family
ID=58058592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510185717.2A Active CN106162697B (en) | 2015-04-17 | 2015-04-17 | Frame structure configuration method, base station, user equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106162697B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11316643B2 (en) * | 2017-01-05 | 2022-04-26 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Information transmission methods, terminal device and network device |
| EP3618549A4 (en) * | 2017-04-28 | 2020-03-04 | Beijing Xiaomi Mobile Software Co., Ltd. | Data transmission method and apparatus |
| EP3734897B1 (en) * | 2017-12-28 | 2023-10-18 | Beijing Xiaomi Mobile Software Co., Ltd. | Data transmission method, base station and terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008102821A1 (en) * | 2007-02-23 | 2008-08-28 | Kyocera Corporation | Radio base station and radio communication method |
| CN102064879A (en) * | 2010-11-30 | 2011-05-18 | 大唐移动通信设备有限公司 | Method, system and equipment for time division duplex communication |
| CN102550111A (en) * | 2009-09-14 | 2012-07-04 | 高通股份有限公司 | Cross-subframe control channel design |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080092222A (en) * | 2007-04-11 | 2008-10-15 | 엘지전자 주식회사 | Data transmission method in tdd system |
| CN104519515B (en) * | 2013-09-27 | 2019-07-02 | 中兴通讯股份有限公司 | Uplink-downlink configuration information notice, acquisition methods, base station and user equipment |
-
2015
- 2015-04-17 CN CN201510185717.2A patent/CN106162697B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008102821A1 (en) * | 2007-02-23 | 2008-08-28 | Kyocera Corporation | Radio base station and radio communication method |
| CN102550111A (en) * | 2009-09-14 | 2012-07-04 | 高通股份有限公司 | Cross-subframe control channel design |
| CN102064879A (en) * | 2010-11-30 | 2011-05-18 | 大唐移动通信设备有限公司 | Method, system and equipment for time division duplex communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106162697A (en) | 2016-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10172154B2 (en) | Method and device for sending control information and method and device for receiving control information | |
| EP3099127B1 (en) | User device, base-station device, integrated circuit, and communication method | |
| US10912076B2 (en) | Physical downlink control channel transmission method and apparatus | |
| EP3002983B1 (en) | Control information transmission method, user equipment, and base station | |
| CN110167159B (en) | Communication method, device and system | |
| CN105636223B (en) | A kind of uplink dispatch method, apparatus and system | |
| KR20150093156A (en) | Group based pdcch capability for lte | |
| CN106162897B (en) | Method, base station and user equipment for transmitting control information | |
| CN109803422B (en) | Resource activation method and related equipment | |
| CN108964853B (en) | Time slot indication method, access network equipment and user equipment | |
| CN105191458B (en) | A kind of method and device for sending, receiving system information | |
| CN106550465B (en) | Method and device for sending and receiving resource allocation information of short transmission time interval communication | |
| CN110602790A (en) | Data sending method and device | |
| EP3439405A1 (en) | Method, device, and terminal for multi-subframe scheduling | |
| CN109391355B (en) | Method, chip and system for wireless communication | |
| CN106162697B (en) | Frame structure configuration method, base station, user equipment and system | |
| CN110115076B (en) | Method for transmitting information, network device, terminal device and computer readable medium | |
| CN107005977B (en) | Information transmission method, base station and user equipment | |
| CN106954278B (en) | Method for determining random access wireless network temporary identifier, user equipment and base station | |
| CN111130721B (en) | Data transmission method and device | |
| CN107079270B (en) | Downlink information receiving and sending method, user equipment and network equipment | |
| CN111526595B (en) | Channel resource set indication method and device and computer storage medium | |
| US20200196339A1 (en) | Method for transmitting and receiving scheduling information in communication system | |
| CN106576361B (en) | Indication method, device and equipment of DCI length based on NB M2M | |
| CN111417201B (en) | Method for sending and receiving interrupt transmission instruction, network equipment and terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |