CN116073969A - Method and device for realizing data transmission and computer readable storage medium - Google Patents
Method and device for realizing data transmission and computer readable storage medium Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 78
- 230000003213 activating effect Effects 0.000 claims abstract description 6
- 230000011664 signaling Effects 0.000 claims description 44
- 238000004590 computer program Methods 0.000 claims description 38
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
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Abstract
The embodiment of the invention provides a method, a device and a computer-readable storage medium for realizing data transmission, wherein the method comprises the following steps: configuring or activating a BWP pair consisting of a first bandwidth part BWP and a second BWP for a terminal, wherein at least a first BWP of the pair comprises an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same; and indicating Time Division Duplex (TDD) uplink and downlink configuration for the first BWP and the second BWP respectively.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method and apparatus for implementing data transmission, and a computer readable storage medium.
Background
At present, a base station performs uplink and downlink multiplexing transmission in a Time Division Duplex (TDD) carrier in a Time Division Multiplexing (TDM) manner, and because the uplink duty ratio is limited, uplink coverage performance and uplink and downlink time delay of a terminal are both limited by uplink and downlink configuration of the TDD.
Disclosure of Invention
In view of this, it is desirable to provide a method, an apparatus and a computer-readable storage medium for implementing data transmission.
In order to achieve the above object, the technical solution of the embodiment of the present invention is as follows:
the embodiment of the invention provides a method for realizing data transmission, which is applied to a network side and comprises the following steps:
configuring or activating a BWP pair consisting of a first bandwidth part BWP and a second BWP for a terminal, wherein at least a first BWP of the pair comprises an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same;
and indicating Time Division Duplex (TDD) uplink and downlink configuration for the first BWP and the second BWP respectively.
Wherein the second BWP of the BWP pair comprises: upstream BWP and downstream BWP, or only upstream BWP.
Wherein, when the second BWP comprises an uplink BWP and a downlink BWP,
the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same, and the frequency domain resources of the uplink BWP and the downlink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequencies of the uplink BWP and the downlink BWP of the second BWP are the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
Wherein, when the second BWP only includes the uplink BWP,
the frequency domain resources of the uplink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
The center frequency of the uplink BWP of the second BWP is the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
Optionally, the method further comprises:
and configuring or indicating the TDD uplink and downlink configuration of the cell for the terminal.
The configuring or indicating the TDD uplink and downlink configuration of the cell for the terminal includes:
the TDD uplink and downlink configuration of the cell is configured through TDD-UL-DL-ConfigCommo and/or TDD-UL-DL-ConfigDedimated, and/or the TDD uplink and downlink configuration of the cell is indicated through a time slot format indicator SFI.
The TDD uplink and downlink configuration of the first BWP is the same as or different from the TDD uplink and downlink configuration of the second BWP.
Wherein, when the terminal works on the activated BWP pair, for a certain symbol, the relationship between the TDD uplink and downlink configurations of the first BWP and the second BWP is any one of the following:
the TDD uplink and downlink configuration of the cell can only be downlink on the symbol, and the terminal works downlink on the first BWP on the symbol;
the TDD uplink and downlink configuration of the cell can only be uplink on the symbol, and the terminal works on the first BWP on the symbol;
The first BWP is downlink, the second BWP is uplink, if the TDD uplink-downlink configuration of the cell is downlink on the symbol, the terminal operates on the first BWP on the symbol in downlink, but the frequency domain resource where the downlink first BWP overlaps with the uplink second BWP cannot be used for downlink transmission; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal works on the second BWP on the symbol;
the first BWP is uplink, the second BWP is downlink, if the TDD uplink and downlink configuration of the cell is downlink on the symbol, the terminal works on the second BWP on the symbol in downlink; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal operates on the first BWP on the symbol on the uplink, but the frequency domain resources where the uplink first BWP overlaps with the downlink second BWP cannot be used for uplink transmission.
The embodiment of the invention also provides a method for realizing data transmission, which is applied to a network side and comprises the following steps:
a time division duplex, TDD, uplink and downlink configuration of a cell is configured or indicated for a terminal and at least one bandwidth part, BWP, is configured for the terminal, the BWP being a first BWP comprising an uplink BWP and a downlink BWP.
Wherein, the frequency domain resources of the uplink BWP and the downlink BWP are not overlapped; the center frequency of the uplink BWP is different from the center frequency of the downlink BWP.
Optionally, the method further comprises:
another BWP is configured for the terminal, and the BWP is a second BWP, and the second BWP includes an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same.
Optionally, the method further comprises:
and respectively configuring or indicating the uplink and downlink configuration of the TDD for the first BWP and the second BWP, wherein the uplink and downlink configurations of the TDD corresponding to the two BWPs are the same or different.
Optionally, on one BWP of the first BWP and the second BWP, for a symbol configured to receive a synchronization signal and a physical broadcast channel block SSB, the method further comprises:
the corresponding symbol on the other BWP is configured for uplink transmission.
Optionally, the method further comprises:
receiving a first request signaling sent by a terminal, wherein the first request signaling is used for requesting a network side to switch an active BWP of the terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
receiving a second request signaling sent by the terminal, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
Optionally, the method further comprises:
for the first BWP, a periodic SSB measurement slot is configured for the terminal.
Optionally, the method further comprises:
and dynamically indicating the configured uplink time slot or symbol as downlink through a time slot format indicator SFI, wherein the uplink time slot or symbol is used for downlink receiving and/or measuring operation of the terminal on the slot or symbol.
The embodiment of the invention also provides a method for realizing data transmission, which is applied to the terminal and comprises the following steps:
based on the configuration of the TDD uplink and downlink of the cell configured or indicated by the network side and the configuration of at least one bandwidth part BWP, carrying out data transmission; wherein,
the BWP is a first BWP, and includes an upstream BWP and a downstream BWP.
Optionally, when the network side further configures a second BWP for the terminal and configures or indicates TDD uplink and downlink configurations for both BWPs, the method further includes:
the transmission of data is based on the TDD uplink and downlink configuration of the active BWP.
Optionally, the method further comprises:
transmitting a first request signaling for requesting a network side to switch an active BWP of a terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
sending a second request signaling, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
Optionally, the method further comprises:
downlink receiving and/or measuring operations are performed on the second BWP and on the slot or symbol dynamically indicated as downlink on the network side; wherein,
the slot or symbol is configured to be uplink before being dynamically indicated by the network side.
The embodiment of the invention also provides a device for realizing data transmission, which is applied to a network side and comprises the following steps:
a first processing module, configured to configure or activate, for a terminal, a BWP pair consisting of a first bandwidth part BWP and a second BWP, at least a first BWP in the BWP pair including an upstream BWP and a downstream BWP, and center frequencies and bandwidths of the upstream BWP and the downstream BWP being the same;
and the second processing module is used for respectively indicating the Time Division Duplex (TDD) uplink and downlink configuration for the first BWP and the second BWP.
The embodiment of the invention also provides a device for realizing data transmission, which is applied to a network side and comprises the following steps:
the third processing module is used for configuring or indicating the Time Division Duplex (TDD) uplink and downlink configuration of the cell for the terminal;
a fourth processing module is configured to configure at least one bandwidth portion BWP for the terminal, where the BWP is a first BWP and includes an upstream BWP and a downstream BWP.
The embodiment of the invention also provides a device for realizing data transmission, which is applied to the terminal and comprises the following steps:
A fifth processing module, configured to perform data transmission based on the TDD uplink and downlink configuration of the network side configured or indicated cell and the configuration of at least one bandwidth portion BWP; wherein,
the BWP is a first BWP, and includes an upstream BWP and a downstream BWP.
The embodiment of the invention also provides a device for realizing data transmission, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to execute the steps of the above method when running the computer program.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when being executed by a processor, implements the steps of the above method.
The implementation method, the device and the computer readable storage medium for data transmission provided by the embodiment of the invention configure or activate a BWP pair consisting of a first bandwidth part BWP and a second BWP for a terminal, wherein at least the first BWP in the BWP pair comprises an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same; and indicating Time Division Duplex (TDD) uplink and downlink configuration for the first BWP and the second BWP respectively. The base station of the embodiment of the invention can simultaneously carry out uplink and downlink transmission on different sub-bands of one TDD carrier, thereby not only improving the uplink coverage performance of users, but also simultaneously reducing time delay.
Drawings
Fig. 1 is a schematic flow chart of a method for implementing data transmission according to an embodiment of the present invention;
fig. 2 is a flow chart diagram of a second implementation method of data transmission according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for implementing data transmission according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a device for implementing data transmission according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of a device for implementing data transmission;
fig. 6 is a schematic structural diagram III of an implementation apparatus for data transmission according to an embodiment of the present invention;
fig. 7 is a schematic diagram of TDD uplink and downlink configuration according to embodiment 1 of the present invention;
fig. 8 is a schematic diagram of TDD uplink and downlink configuration according to embodiment 2 of the present invention;
fig. 9 is a schematic diagram of TDD uplink and downlink configuration according to embodiment 3 of the present invention;
fig. 10 is a schematic diagram of TDD uplink and downlink configuration according to embodiment 4 of the present invention;
fig. 11 is a schematic diagram of TDD uplink and downlink configuration according to embodiment 5 of the present invention;
fig. 12 is a schematic diagram of TDD uplink and downlink configuration according to embodiment 6 of the present invention.
Detailed Description
The invention is described below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment of the invention provides a method for realizing data transmission, as shown in fig. 1, the method is applied to a network side and comprises the following steps:
step 101: configuring or activating a BWP pair consisting of a first bandwidth part BWP and a second BWP for a terminal, wherein at least a first BWP of the pair comprises an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same;
step 102: and indicating Time Division Duplex (TDD) uplink and downlink configuration for the first BWP and the second BWP respectively.
Here, step 101 and step 102 are not sequential.
In an embodiment of the present invention, the second BWP of the BWP pair includes: upstream BWP and downstream BWP, or only upstream BWP.
In the embodiment of the present invention, when the second BWP includes an upstream BWP and a downstream BWP,
the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same, and the frequency domain resources of the uplink BWP and the downlink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequencies of the uplink BWP and the downlink BWP of the second BWP are the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
In the embodiment of the present invention, when the second BWP includes only the upstream BWP,
The frequency domain resources of the uplink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequency of the uplink BWP of the second BWP is the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
In one embodiment of the present invention, the method further comprises:
and configuring or indicating the TDD uplink and downlink configuration of the cell for the terminal.
In the embodiment of the present invention, the configuring or indicating the TDD uplink and downlink configuration of the cell for the terminal includes:
the TDD uplink and downlink configuration of the cell is configured through TDD-UL-DL-ConfigCommo and/or TDD-UL-DL-ConfigDedimated, and/or the TDD uplink and downlink configuration of the cell is indicated through a time slot format indicator SFI.
In the embodiment of the present invention, the TDD uplink-downlink configuration of the first BWP is the same as or different from the TDD uplink-downlink configuration of the second BWP.
In the embodiment of the present invention, when the terminal works on the activated BWP pair, for a certain symbol, the relationship between TDD uplink and downlink configurations of the first BWP and the second BWP is any one of the following:
the TDD uplink and downlink configuration of the cell can only be downlink on the symbol, and the terminal works downlink on the first BWP on the symbol;
The TDD uplink and downlink configuration of the cell can only be uplink on the symbol, and the terminal works on the first BWP on the symbol;
the first BWP is downlink, the second BWP is uplink, if the TDD uplink-downlink configuration of the cell is downlink on the symbol, the terminal operates on the first BWP on the symbol in downlink, but the frequency domain resource where the downlink first BWP overlaps with the uplink second BWP cannot be used for downlink transmission; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal works on the second BWP on the symbol in uplink;
the first BWP is uplink, the second BWP is downlink, if the TDD uplink and downlink configuration of the cell is downlink on the symbol, the terminal works on the second BWP on the symbol in downlink; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal operates on the first BWP on the symbol on the uplink, but the frequency domain resource where the uplink first BWP overlaps with the downlink second BWP cannot be used for uplink transmission.
The embodiment of the invention also provides a method for realizing data transmission, as shown in fig. 2, the method is applied to a network side and comprises the following steps:
step 201: configuring or indicating Time Division Duplex (TDD) uplink and downlink configuration of a cell for a terminal;
Step 202: at least one bandwidth part BWP is configured for the terminal, the BWP being a first BWP comprising an upstream BWP and a downstream BWP.
Here, step 201 and step 202 are not sequential.
In the embodiment of the present invention, the frequency domain resources of the uplink BWP and the downlink BWP do not overlap; the center frequency of the uplink BWP is different from the center frequency of the downlink BWP.
In one embodiment of the present invention, the method further comprises:
another BWP is configured for the terminal, and the BWP is a second BWP, and the second BWP includes an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same.
In one embodiment of the present invention, the method further comprises:
and respectively configuring or indicating the uplink and downlink configuration of the TDD for the first BWP and the second BWP, wherein the uplink and downlink configurations of the TDD corresponding to the two BWPs are the same or different.
In one embodiment of the present invention, on one BWP of the first BWP and the second BWP, the method further comprises, for symbols configured to receive a synchronization signal and a physical broadcast channel block SSB:
the corresponding symbol on the other BWP is configured for uplink transmission.
In one embodiment of the present invention, the method further comprises:
receiving a first request signaling sent by a terminal, wherein the first request signaling is used for requesting a network side to switch an active BWP of the terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
Receiving a second request signaling sent by the terminal, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
In one embodiment of the present invention, the method further comprises:
for the first BWP, a periodic SSB measurement slot is configured for the terminal.
In one embodiment of the present invention, the method further comprises:
and dynamically indicating the configured uplink time slot or symbol as downlink through a time slot format indicator SFI, wherein the uplink time slot or symbol is used for downlink receiving and/or measuring operation of the terminal on the slot or symbol.
The embodiment of the invention also provides a method for realizing data transmission, as shown in fig. 3, the method is applied to the terminal and comprises the following steps:
step 301: based on the configuration of the TDD uplink and downlink of the cell configured or indicated by the network side and the configuration of at least one bandwidth part BWP, carrying out data transmission; wherein,
the BWP is a first BWP, and includes an upstream BWP and a downstream BWP.
In an embodiment of the present invention, when the network side further configures a second BWP for the terminal and configures or indicates TDD uplink and downlink configurations for both BWPs, the method further includes:
The transmission of data is based on the TDD uplink and downlink configuration of the active BWP.
In one embodiment of the present invention, as shown in fig. 3, the method further includes:
step 302a: transmitting a first request signaling for requesting a network side to switch an active BWP of a terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
step 302b: sending a second request signaling, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
In one embodiment of the present invention, the method further comprises:
downlink receiving and/or measuring operations are performed on the second BWP and on the slot or symbol dynamically indicated as downlink on the network side; wherein,
the slot or symbol is configured to be uplink before being dynamically indicated by the network side.
In order to implement the above method embodiment, the embodiment of the present invention further provides a device for implementing data transmission, as shown in fig. 4, where the device is applied to a network side, and includes:
a first processing module 401, configured to configure or activate, for a terminal, a BWP pair consisting of a first bandwidth part BWP and a second BWP, at least a first BWP in the BWP pair comprising an upstream BWP and a downstream BWP, and the center frequencies and bandwidths of the upstream BWP and the downstream BWP being the same;
A second processing module 402 is configured to indicate a TDD uplink and downlink configuration for the first BWP and the second BWP, respectively.
In an embodiment of the present invention, the second BWP of the BWP pair includes: upstream BWP and downstream BWP, or only upstream BWP.
In the embodiment of the present invention, when the second BWP includes an upstream BWP and a downstream BWP,
the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same, and the frequency domain resources of the uplink BWP and the downlink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequencies of the uplink BWP and the downlink BWP of the second BWP are the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
In the embodiment of the present invention, when the second BWP includes only the upstream BWP,
the frequency domain resources of the uplink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequency of the uplink BWP of the second BWP is the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
In an embodiment of the present invention, the second processing module 402 is further configured to configure or instruct TDD uplink and downlink configurations of the cell for the terminal.
In the embodiment of the present invention, the second processing module 402 configures or indicates TDD uplink and downlink configurations of cells for the terminal, including:
The TDD uplink and downlink configuration of the cell is configured through TDD-UL-DL-ConfigCommo and/or TDD-UL-DL-ConfigDedimated, and/or the TDD uplink and downlink configuration of the cell is indicated through a time slot format indicator SFI.
In the embodiment of the present invention, the TDD uplink-downlink configuration of the first BWP is the same as or different from the TDD uplink-downlink configuration of the second BWP.
In the embodiment of the present invention, when the terminal works on the activated BWP pair, for a certain symbol, the relationship between TDD uplink and downlink configurations of the first BWP and the second BWP is any one of the following:
the TDD uplink and downlink configuration of the cell can only be downlink on the symbol, and the terminal works downlink on the first BWP on the symbol;
the TDD uplink and downlink configuration of the cell can only be uplink on the symbol, and the terminal works on the first BWP on the symbol;
the first BWP is downlink, the second BWP is uplink, if the TDD uplink-downlink configuration of the cell is downlink on the symbol, the terminal operates on the first BWP on the symbol in downlink, but the frequency domain resource where the downlink first BWP overlaps with the uplink second BWP cannot be used for downlink transmission; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal works on the second BWP on the symbol in uplink;
The first BWP is uplink, the second BWP is downlink, if the TDD uplink and downlink configuration of the cell is downlink on the symbol, the terminal works on the second BWP on the symbol in downlink; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal operates on the first BWP on the symbol on the uplink, but the frequency domain resource where the uplink first BWP overlaps with the downlink second BWP cannot be used for uplink transmission.
The embodiment of the invention also provides a device for realizing data transmission, as shown in fig. 5, the device is applied to a network side and comprises:
a third processing module 501, configured to configure or instruct a TDD uplink and downlink configuration of a cell for a terminal;
a fourth processing module 502 is configured for configuring at least one bandwidth portion BWP for the terminal, where the BWP is a first BWP and includes an upstream BWP and a downstream BWP.
In the embodiment of the present invention, the frequency domain resources of the uplink BWP and the downlink BWP do not overlap; the center frequency of the uplink BWP is different from the center frequency of the downlink BWP.
In one embodiment of the present invention, the fourth processing module 502 is further configured to configure another BWP for the terminal, where the BWP is a second BWP, the second BWP includes an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same.
In an embodiment of the present invention, the fourth processing module 502 is further configured to configure or indicate TDD uplink-downlink configuration for the first BWP and the second BWP, respectively, where the TDD uplink-downlink configuration corresponding to the two BWP is the same or different.
In one embodiment of the present invention, on one BWP of the first BWP and the second BWP, for a symbol configured to receive a synchronization signal and a physical broadcast channel block SSB, the fourth processing module 502 is further configured to configure a corresponding symbol on the other BWP for uplink transmission.
In one embodiment of the present invention, the third processing module 501 is further configured to
Receiving a first request signaling sent by a terminal, wherein the first request signaling is used for requesting a network side to switch an active BWP of the terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
receiving a second request signaling sent by the terminal, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
In one embodiment of the present invention, the fourth processing module 502 is further configured to configure a periodic SSB measurement timeslot for the terminal for the first BWP.
In an embodiment of the present invention, the third processing module 501 is further configured to dynamically indicate, through a slot format indicator SFI, a configured uplink slot or symbol as downlink, and is used for a terminal to perform downlink receiving and/or measurement operations on the slot or symbol.
The embodiment of the invention also provides a device for realizing data transmission, as shown in fig. 6, the device is applied to a terminal and comprises:
a fifth processing module 601, configured to perform data transmission based on a time division duplex TDD uplink and downlink configuration of a network side configured or indicated cell and a configuration of at least one bandwidth portion BWP; wherein,
the BWP is a first BWP, and includes an upstream BWP and a downstream BWP.
In one embodiment of the present invention, as shown in fig. 6, the apparatus further includes: a transceiver module 602; when the network side configures the second BWP for the terminal and configures or indicates TDD uplink and downlink configuration for both BWPs,
the transceiver module 602 is configured to perform data transmission based on the TDD uplink and downlink configuration of the active BWP.
In one embodiment of the present invention, the transceiver module 602 is further configured to
Transmitting a first request signaling for requesting a network side to switch an active BWP of a terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
Sending a second request signaling, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
In one embodiment of the present invention, the transceiver module 602 is further configured to perform downlink receiving and/or measuring operations on the second BWP and on the slot or symbol dynamically indicated as downlink on the network side; wherein,
the slot or symbol is configured to be uplink before being dynamically indicated by the network side.
The embodiment of the invention also provides a device for realizing data transmission, which is applied to a network side and comprises the following steps: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor, when executing the computer program, performs:
configuring or activating a BWP pair consisting of a first bandwidth part BWP and a second BWP for a terminal, wherein at least a first BWP of the pair comprises an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same;
and indicating Time Division Duplex (TDD) uplink and downlink configuration for the first BWP and the second BWP respectively.
Wherein the second BWP of the BWP pair comprises: upstream BWP and downstream BWP, or only upstream BWP.
Wherein, when the second BWP comprises an uplink BWP and a downlink BWP,
the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same, and the frequency domain resources of the uplink BWP and the downlink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequencies of the uplink BWP and the downlink BWP of the second BWP are the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
Wherein, when the second BWP only includes the uplink BWP,
the frequency domain resources of the uplink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequency of the uplink BWP of the second BWP is the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
The processor is further configured to execute, when the computer program is executed:
and configuring or indicating the TDD uplink and downlink configuration of the cell for the terminal.
And when the TDD uplink and downlink configuration of the cell is configured or indicated for the terminal, the processor is further configured to execute, when executing the computer program:
the TDD uplink and downlink configuration of the cell is configured through TDD-UL-DL-ConfigCommo and/or TDD-UL-DL-ConfigDedimated, and/or the TDD uplink and downlink configuration of the cell is indicated through a time slot format indicator SFI.
The TDD uplink and downlink configuration of the first BWP is the same as or different from the TDD uplink and downlink configuration of the second BWP.
Wherein, when the terminal works on the activated BWP pair, for a certain symbol, the relationship between the TDD uplink and downlink configurations of the first BWP and the second BWP is any one of the following:
the TDD uplink and downlink configuration of the cell can only be downlink on the symbol, and the terminal works downlink on the first BWP on the symbol;
the TDD uplink and downlink configuration of the cell can only be uplink on the symbol, and the terminal works on the first BWP on the symbol;
the first BWP is downlink, the second BWP is uplink, if the TDD uplink-downlink configuration of the cell is downlink on the symbol, the terminal operates on the first BWP on the symbol in downlink, but the frequency domain resource where the downlink first BWP overlaps with the uplink second BWP cannot be used for downlink transmission; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal works on the second BWP on the symbol in uplink;
the first BWP is uplink, the second BWP is downlink, if the TDD uplink and downlink configuration of the cell is downlink on the symbol, the terminal works on the second BWP on the symbol in downlink; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal operates on the first BWP on the symbol on the uplink, but the frequency domain resource where the uplink first BWP overlaps with the downlink second BWP cannot be used for uplink transmission.
The embodiment of the invention also provides a device for realizing data transmission, which is applied to a network side and comprises the following steps: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor, when executing the computer program, performs:
a time division duplex, TDD, uplink and downlink configuration of a cell is configured or indicated for a terminal and at least one bandwidth part, BWP, is configured for the terminal, the BWP being a first BWP comprising an uplink BWP and a downlink BWP.
Wherein, the frequency domain resources of the uplink BWP and the downlink BWP are not overlapped; the center frequency of the uplink BWP is different from the center frequency of the downlink BWP.
The processor is further configured to execute, when the computer program is executed:
another BWP is configured for the terminal, and the BWP is a second BWP, and the second BWP includes an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same.
The processor is further configured to execute, when the computer program is executed:
and respectively configuring or indicating the uplink and downlink configuration of the TDD for the first BWP and the second BWP, wherein the uplink and downlink configurations of the TDD corresponding to the two BWPs are the same or different.
On one BWP of the first BWP and the second BWP, the processor is further configured to execute, when running the computer program, for symbols configured to receive synchronization signals and physical broadcast channel blocks, SSBs:
The corresponding symbol on the other BWP is configured for uplink transmission.
The processor is further configured to execute, when the computer program is executed:
receiving a first request signaling sent by a terminal, wherein the first request signaling is used for requesting a network side to switch an active BWP of the terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
receiving a second request signaling sent by the terminal, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
The processor is further configured to execute, when the computer program is executed:
for the first BWP, a periodic SSB measurement slot is configured for the terminal.
The processor is further configured to execute, when the computer program is executed:
and dynamically indicating the configured uplink time slot or symbol as downlink through a time slot format indicator SFI, wherein the uplink time slot or symbol is used for downlink receiving and/or measuring operation of the terminal on the slot or symbol.
The embodiment of the invention also provides a device for realizing data transmission, which is applied to the terminal and comprises the following steps: a processor and a memory for storing a computer program capable of running on the processor,
Wherein the processor, when executing the computer program, performs:
based on the configuration of the TDD uplink and downlink of the cell configured or indicated by the network side and the configuration of at least one bandwidth part BWP, carrying out data transmission; wherein,
the BWP is a first BWP, and includes an upstream BWP and a downstream BWP.
The network side is further configured to configure a second BWP for the terminal, and configure or instruct TDD uplink and downlink configuration for both BWPs, and the processor is further configured to execute, when executing the computer program:
the transmission of data is based on the TDD uplink and downlink configuration of the active BWP.
The processor is further configured to execute, when the computer program is executed:
transmitting a first request signaling for requesting a network side to switch an active BWP of a terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
sending a second request signaling, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
The processor is further configured to execute, when the computer program is executed:
downlink receiving and/or measuring operations are performed on the second BWP and on the slot or symbol dynamically indicated as downlink on the network side; wherein,
The slot or symbol is configured to be uplink before being dynamically indicated by the network side.
It should be noted that: in the implementation of data transmission, the apparatus provided in the foregoing embodiment is only exemplified by the division of the program modules, and in practical application, the processing allocation may be performed by different program modules according to needs, that is, the internal structure of the device is divided into different program modules, so as to complete all or part of the processing described above. In addition, the apparatus provided in the foregoing embodiments and the corresponding method embodiments belong to the same concept, and specific implementation processes of the apparatus and the corresponding method embodiments are detailed in the method embodiments, which are not described herein again.
In an exemplary embodiment, the present invention further provides a computer readable storage medium, which may be FRAM, ROM, PROM, EPROM, EEPROM, flash Memory, magnetic surface Memory, optical disk, or CD-ROM; but may be a variety of devices including one or any combination of the above-described memories, such as a mobile phone, computer, tablet device, personal digital assistant, or the like.
The embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs:
Configuring or activating a BWP pair consisting of a first bandwidth part BWP and a second BWP for a terminal, wherein at least a first BWP of the pair comprises an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same;
and indicating Time Division Duplex (TDD) uplink and downlink configuration for the first BWP and the second BWP respectively.
Wherein the second BWP of the BWP pair comprises: upstream BWP and downstream BWP, or only upstream BWP.
Wherein, when the second BWP comprises an uplink BWP and a downlink BWP,
the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same, and the frequency domain resources of the uplink BWP and the downlink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequencies of the uplink BWP and the downlink BWP of the second BWP are the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
Wherein, when the second BWP only includes the uplink BWP,
the frequency domain resources of the uplink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequency of the uplink BWP of the second BWP is the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
The computer program, when executed by the processor, further performs:
And configuring or indicating the TDD uplink and downlink configuration of the cell for the terminal.
When the TDD uplink and downlink configuration of the cell is configured or indicated for the terminal, the computer program is executed by the processor, and further executes:
the TDD uplink and downlink configuration of the cell is configured through TDD-UL-DL-ConfigCommo and/or TDD-UL-DL-ConfigDedimated, and/or the TDD uplink and downlink configuration of the cell is indicated through a time slot format indicator SFI.
The TDD uplink and downlink configuration of the first BWP is the same as or different from the TDD uplink and downlink configuration of the second BWP.
Wherein, when the terminal works on the activated BWP pair, for a certain symbol, the relationship between the TDD uplink and downlink configurations of the first BWP and the second BWP is any one of the following:
the TDD uplink and downlink configuration of the cell can only be downlink on the symbol, and the terminal works downlink on the first BWP on the symbol;
the TDD uplink and downlink configuration of the cell can only be uplink on the symbol, and the terminal works on the first BWP on the symbol;
the first BWP is downlink, the second BWP is uplink, if the TDD uplink-downlink configuration of the cell is downlink on the symbol, the terminal operates on the first BWP on the symbol in downlink, but the frequency domain resource where the downlink first BWP overlaps with the uplink second BWP cannot be used for downlink transmission; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal works on the second BWP on the symbol in uplink;
The first BWP is uplink, the second BWP is downlink, if the TDD uplink and downlink configuration of the cell is downlink on the symbol, the terminal works on the second BWP on the symbol in downlink; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal operates on the first BWP on the symbol on the uplink, but the frequency domain resource where the uplink first BWP overlaps with the downlink second BWP cannot be used for uplink transmission.
The embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs:
a time division duplex, TDD, uplink and downlink configuration of a cell is configured or indicated for a terminal and at least one bandwidth part, BWP, is configured for the terminal, the BWP being a first BWP comprising an uplink BWP and a downlink BWP.
Wherein, the frequency domain resources of the uplink BWP and the downlink BWP are not overlapped; the center frequency of the uplink BWP is different from the center frequency of the downlink BWP.
The computer program, when executed by the processor, further performs:
another BWP is configured for the terminal, and the BWP is a second BWP, and the second BWP includes an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same.
The computer program, when executed by the processor, further performs:
and respectively configuring or indicating the uplink and downlink configuration of the TDD for the first BWP and the second BWP, wherein the uplink and downlink configurations of the TDD corresponding to the two BWPs are the same or different.
On one of the first BWP and the second BWP, the computer program, when executed by the processor, further performs for symbols configured to receive a synchronization signal and a physical broadcast channel block SSB:
the corresponding symbol on the other BWP is configured for uplink transmission.
The computer program, when executed by the processor, further performs:
receiving a first request signaling sent by a terminal, wherein the first request signaling is used for requesting a network side to switch an active BWP of the terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
receiving a second request signaling sent by the terminal, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
The computer program, when executed by the processor, further performs:
for the first BWP, a periodic SSB measurement slot is configured for the terminal.
The computer program, when executed by the processor, further performs:
And dynamically indicating the configured uplink time slot or symbol as downlink through a time slot format indicator SFI, wherein the uplink time slot or symbol is used for downlink receiving and/or measuring operation of the terminal on the slot or symbol.
The embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs:
based on the configuration of the TDD uplink and downlink of the cell configured or indicated by the network side and the configuration of at least one bandwidth part BWP, carrying out data transmission; wherein,
the BWP is a first BWP, and includes an upstream BWP and a downstream BWP.
The network side further configures a second BWP for the terminal, and configures or indicates TDD uplink and downlink configurations for both BWPs, and the computer program when executed by the processor further performs:
the transmission of data is based on the TDD uplink and downlink configuration of the active BWP.
The computer program, when executed by the processor, further performs:
transmitting a first request signaling for requesting a network side to switch an active BWP of a terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
sending a second request signaling, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
Wherein the second BWP is configured with a symbol for receiving SSB.
The computer program, when executed by the processor, further performs:
downlink receiving and/or measuring operations are performed on the second BWP and on the slot or symbol dynamically indicated as downlink on the network side; wherein,
the slot or symbol is configured to be uplink before being dynamically indicated by the network side.
The invention is described below in connection with scene embodiments.
By allowing the base station to perform uplink and downlink transmission on different subbands of one TDD carrier at the same time, uplink coverage performance of a user can be improved while delay is reduced. Based on this, the first and second light sources,
the present embodiment proposes a first method for implementing flexible duplex operation on a TDD carrier, as follows:
for one serving cell (serving cell), the network may configure or activate one bandwidth part (BWP) pair for the UE, which includes two BWP (assuming BWP-ids are bwp#x (or bwp#1) and bwp#y (or bwp#2), respectively).
At least one of the two BWP (assumed to be bwp#x) includes DL BWP and UL BWP, and DL BWP and UL BWP center frequencies are the same; the other BWP (assumed to be bwp#y) may include DL BWP and UL BWP, or may include UL BWP alone.
If bwp#y includes DL BWP and UL BWP, its DL BWP and UL BWP center frequencies need to be the same, and its DL BWP and UL BWP frequency domain resources must be completely contained within the DL BWP and UL BWP frequency domain resource ranges of bwp#x, whose center frequencies may be different from the DL BWP/UL BWP center frequencies of bwp#x;
if bwp#y includes only UL BWP, its frequency domain resources of UL BWP must be completely included in the frequency domain resource ranges of DL BWP and UL BWP of bwp#x, and its center frequency may be different from the center frequency of DL BWP/UL BWP of bwp#x;
for the serving Cell, the network also configures or indicates a TDD uplink-downlink configuration (via TDD-UL-DL-ConfigCommo and/or TDD-UL-DL-configdedided configuration and/or via SFI indication) of one per Cell for the UE; it is also necessary to indicate TDD uplink and downlink configurations of per BWP for bwp#x and bwp#y, respectively.
The TDD uplink and downlink configuration of bwp#x may be different from the TDD uplink and downlink configuration of bwp#y.
When the UE operates on the active BWP pair, there may be the following four relations between TDD uplink and downlink configurations of per BWP of a certain symbol bwp#x and bwp#y:
bwp#x and bwp#y are both DL: TDD uplink and downlink configuration of per Cell can only be DL on the symbol, and UE operates downlink on bwp#x on the symbol;
Bwp#x and bwp#y are both UL: TDD uplink and downlink configuration of per Cell can only be UL on this symbol, and UE operates on bwp#x on this symbol;
bwp#x is DL, and bwp#y is UL: if TDD uplink and downlink configuration of per Cell is DL on the symbol, the UE operates on bwp#x on the symbol in downlink, but at least the frequency domain resources where DL bwp#x overlaps UL bwp#y cannot be used for DL transmission; if the TDD uplink and downlink configuration of the per Cell is UL on the symbol, the UE operates on bwp#y on the symbol;
bwp#x is UL and bwp#y is DL: if the TDD uplink and downlink configuration of the per Cell is DL on the symbol, the UE operates on bwp#y on the symbol in downlink; if the TDD uplink-downlink configuration of the per Cell is UL on the symbol, the UE operates on bwp#x on the symbol, but at least the frequency domain resources where UL bwp#x overlaps DL bwp#y cannot be used for UL transmission.
Based on the above embodiments, the following three specific scene embodiments are given.
Example 1:
as shown in fig. 7, the uplink and downlink configuration of the UE1 in this embodiment is as follows: BWP# 1 is DDDDDDDDUU; bwp# 2 is UUUUUUUUUU; the configuration of the cell is DDDDDDDDUU. The uplink and downlink configuration of UE2 is: BWP# 1 is DDDDDDDDUU; bwp# 2 is UUUUUUUUUU; the configuration of the cell is DDUUUUUUUU.
Example 2:
as shown in fig. 8, the uplink and downlink configuration of the UE1 in this embodiment is as follows: BWP# 1 is DDDDDDDDUU; BWP# 2 is DDUUUUUUU; the configuration of the cell is DDDDDDDDUU. The uplink and downlink configuration of UE2 is: BWP# 1 is DDDDDDDDUU; BWP# 2 is DDUUUUUUU; the configuration of the cell is DDUUUUUUUU.
Example 3:
as shown in fig. 9, the uplink and downlink configuration of the UE1 in this embodiment is as follows: BWP# 1 is DDDDDDDDUU; BWP# 2 is UUUUUUDD; the configuration of the cell is DDDDDDDDUU. The uplink and downlink configuration of UE2 is: BWP# 1 is DDDDDDDDUU; BWP# 2 is UUUUUUDD; the configuration of the cell is DDUUUUUUUU.
The embodiment also proposes a second method for implementing flexible duplex operation on a TDD carrier, as follows:
example 4:
as shown in fig. 10, for one serving Cell, the network configures or indicates TDD uplink and downlink configuration of the per Cell (via TDD-UL-DL-ConfigCommo and/or TDD-UL-DL-ConfigDedicated configuration and/or via SFI indication) for the UE;
for the serving cell, the network may configure at least one BWP (assuming its BWP-id is bwp#1) for the UE, including DL BWP and UL BWP, whose frequency domain resources of DL BWP and UL BWP may not overlap (the center frequency of DL BWP and the center frequency of UL BWP are also different);
On the time slot or symbol indicated as DL by TDD uplink and downlink configuration, the UE performs downlink reception in the frequency domain corresponding to DL BWP, and on the time slot or symbol indicated as UL by TDD uplink and downlink configuration, the UE performs uplink transmission in the frequency domain corresponding to UL BWP.
Example 5:
on the basis of the second method, as shown in fig. 11, the present embodiment also supports:
for one serving cell, the network may also configure another BWP (assuming its BWP-id is bwp#2) for the UE, including DL BWP and UL BWP, and DL BWP and UL BWP center frequencies are the same;
for the serving cell, the network configures or indicates an independent TDD uplink-downlink configuration for each BWP (by an independent TDD-UL-DL-ConfigCommon and/or TDD-UL-DL-ConfigDedicated configuration and/or by SFI indication for each BWP), the TDD uplink-downlink configurations of different BWP configurations may be the same or different;
in the case that the network configures both TDD uplink and downlink configuration of the per Cell and TDD uplink and downlink configuration of the per BWP for the UE, the UE performs uplink and downlink data transmission according to the case of the TDD uplink and downlink configuration of the active BWP being activated.
Example 6:
as shown in fig. 12, on a certain BWP, for symbols configured to receive SSBs, the network may still configure those symbols for uplink transmission on another BWP. SSB is configured for SSB reception on slot 0/1/2/3 of bwp# 2 in fig. 12, for example, but slot 2/3 may be configured for upstream for bwp# 1. In this way, the UE can use more slots for uplink transmission on bwp# 1, thereby improving uplink coverage performance.
The UE may send request signaling to the base station requesting the base station to switch the active BWP of the UE from bwp# 1 to bwp# 2 when the UE needs to measure all SSBs, and may send request signaling to the base station requesting the base station to switch the active BWP of the UE from bwp# 2 to bwp# 1 when the UE does not need to measure all SSBs.
For bwp# 1, the base station may further configure a periodic SSB measurement timeslot configuration for the UE based on its TDD uplink and downlink configuration, for example, the network configures a TDD uplink and downlink configuration (dduuuuuuuuuuu) for bwp# 1, and simultaneously, reconfigures an SSB measurement timeslot configuration for 40 slots (for example, slot 2/3/42/43/82/83/… may be configured as DL, for example, UE configuration 11110000000000000000 00000000000 0000000000, where the location of 1 is a slot where the UE may perform SSB measurement, the UE may perform downlink receiving and measuring operations on the slots, and the UE automatically switches to bwp# 2 when the slots perform downlink receiving and measuring operations.
The base station may dynamically indicate UL slots or symbols configured by TDD-UL-DL-Configcommon and/or TDD-UL-DL-Configdedicated as DL through SFI, and the UE may perform downlink receiving or measuring operations on these slots or symbols, and the UE may automatically switch to bwp# 2 for performing downlink receiving and measuring operations on these slots.
In the embodiment of the invention, the base station can simultaneously carry out uplink and downlink transmission on different sub-bands of one TDD carrier, thereby not only improving the uplink coverage performance of a user, but also reducing the time delay.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (25)
1. The method for realizing data transmission is characterized by being applied to a network side and comprising the following steps:
configuring or activating a BWP pair consisting of a first bandwidth part BWP and a second BWP for a terminal, wherein at least a first BWP of the pair comprises an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same;
and indicating Time Division Duplex (TDD) uplink and downlink configuration for the first BWP and the second BWP respectively.
2. The method of claim 1, wherein the second BWP of the BWP pair comprises: upstream BWP and downstream BWP, or only upstream BWP.
3. The method according to claim 1 or 2, wherein, when the second BWP comprises an upstream BWP and a downstream BWP,
the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same, and the frequency domain resources of the uplink BWP and the downlink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
The center frequencies of the uplink BWP and the downlink BWP of the second BWP are the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
4. The method according to claim 1 or 2, wherein, when the second BWP comprises only an upstream BWP,
the frequency domain resources of the uplink BWP are completely contained in the frequency domain resources of the uplink BWP and the downlink BWP of the first BWP;
the center frequency of the uplink BWP of the second BWP is the same as or different from the center frequency of the uplink BWP or the downlink BWP of the first BWP.
5. The method according to claim 1, characterized in that the method further comprises:
and configuring or indicating the TDD uplink and downlink configuration of the cell for the terminal.
6. The method according to claim 5, wherein the configuring or indicating the TDD uplink and downlink configuration of the cell for the terminal includes:
the TDD uplink and downlink configuration of the cell is configured through TDD-UL-DL-ConfigCommo and/or TDD-UL-DL-ConfigDedimated, and/or the TDD uplink and downlink configuration of the cell is indicated through a time slot format indicator SFI.
7. The method of claim 1, wherein the TDD uplink-downlink configuration of the first BWP is the same as or different from the TDD uplink-downlink configuration of the second BWP.
8. The method according to claim 1, characterized in that when the terminal is operating on the activated BWP pair, for a certain symbol, the relation between the TDD uplink and downlink configurations of the first BWP and the second BWP is any one of the following:
the TDD uplink and downlink configuration of the cell can only be downlink on the symbol, and the terminal works downlink on the first BWP on the symbol;
the TDD uplink and downlink configuration of the cell can only be uplink on the symbol, and the terminal works on the first BWP on the symbol;
the first BWP is downlink, the second BWP is uplink, if the TDD uplink-downlink configuration of the cell is downlink on the symbol, the terminal operates on the first BWP on the symbol in downlink, but the frequency domain resource where the downlink first BWP overlaps with the uplink second BWP cannot be used for downlink transmission; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal works on the second BWP on the symbol;
the first BWP is uplink, the second BWP is downlink, if the TDD uplink and downlink configuration of the cell is downlink on the symbol, the terminal works on the second BWP on the symbol in downlink; if the TDD uplink and downlink configuration of the cell is uplink on the symbol, the terminal operates on the first BWP on the symbol on the uplink, but the frequency domain resources where the uplink first BWP overlaps with the downlink second BWP cannot be used for uplink transmission.
9. The method for realizing data transmission is characterized by being applied to a network side and comprising the following steps:
a time division duplex, TDD, uplink and downlink configuration of a cell is configured or indicated for a terminal and at least one bandwidth part, BWP, is configured for the terminal, the BWP being a first BWP comprising an uplink BWP and a downlink BWP.
10. The method according to claim 9, wherein the frequency domain resources of the upstream BWP and downstream BWP do not overlap; the center frequency of the uplink BWP is different from the center frequency of the downlink BWP.
11. The method of claim 9, wherein the method further comprises:
another BWP is configured for the terminal, and the BWP is a second BWP, and the second BWP includes an uplink BWP and a downlink BWP, and the center frequencies and bandwidths of the uplink BWP and the downlink BWP are the same.
12. The method of claim 11, wherein the method further comprises:
and respectively configuring or indicating the uplink and downlink configuration of the TDD for the first BWP and the second BWP, wherein the uplink and downlink configurations of the TDD corresponding to the two BWPs are the same or different.
13. The method of claim 12, wherein on one of the first BWP and the second BWP, for symbols configured to receive synchronization signals and physical broadcast channel blocks SSBs, the method further comprises:
The corresponding symbol on the other BWP is configured for uplink transmission.
14. The method of claim 13, wherein the method further comprises:
receiving a first request signaling sent by a terminal, wherein the first request signaling is used for requesting a network side to switch an active BWP of the terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
receiving a second request signaling sent by the terminal, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
15. The method of claim 14, further comprising:
for the first BWP, a periodic SSB measurement slot is configured for the terminal.
16. The method of claim 13, wherein the method further comprises:
and dynamically indicating the configured uplink time slot or symbol as downlink through a time slot format indicator SFI, wherein the uplink time slot or symbol is used for downlink receiving and/or measuring operation of the terminal on the slot or symbol.
17. The method for realizing data transmission is characterized by being applied to a terminal and comprising the following steps:
based on the configuration of the TDD uplink and downlink of the cell configured or indicated by the network side and the configuration of at least one bandwidth part BWP, carrying out data transmission; wherein,
The BWP is a first BWP, and includes an upstream BWP and a downstream BWP.
18. The method according to claim 17, wherein when the network side further configures the second BWP for the terminal and configures or indicates TDD uplink and downlink configurations for both BWPs, the method further comprises:
the transmission of data is based on the TDD uplink and downlink configuration of the active BWP.
19. The method of claim 17, further comprising:
transmitting a first request signaling for requesting a network side to switch an active BWP of a terminal from a first BWP to a second BWP; or alternatively, the process may be performed,
sending a second request signaling, where the second request signaling is used to request the network side to switch the active BWP of the terminal from the second BWP to the first BWP;
wherein the second BWP is configured with a symbol for receiving SSB.
20. The method of claim 19, further comprising:
downlink receiving and/or measuring operations are performed on the second BWP and on the slot or symbol dynamically indicated as downlink on the network side; wherein,
the slot or symbol is configured to be uplink before being dynamically indicated by the network side.
21. An implementation device for data transmission, which is applied to a network side, is characterized by comprising:
A first processing module, configured to configure or activate, for a terminal, a BWP pair consisting of a first bandwidth part BWP and a second BWP, at least a first BWP in the BWP pair including an upstream BWP and a downstream BWP, and center frequencies and bandwidths of the upstream BWP and the downstream BWP being the same;
and the second processing module is used for respectively indicating the Time Division Duplex (TDD) uplink and downlink configuration for the first BWP and the second BWP.
22. An implementation device for data transmission, which is applied to a network side, is characterized by comprising:
the third processing module is used for configuring or indicating the Time Division Duplex (TDD) uplink and downlink configuration of the cell for the terminal;
a fourth processing module is configured to configure at least one bandwidth portion BWP for the terminal, where the BWP is a first BWP and includes an upstream BWP and a downstream BWP.
23. An implementation device for data transmission, which is applied to a terminal, includes:
a fifth processing module, configured to perform data transmission based on the TDD uplink and downlink configuration of the network side configured or indicated cell and the configuration of at least one bandwidth portion BWP; wherein,
the BWP is a first BWP, and includes an upstream BWP and a downstream BWP.
24. An apparatus for implementing data transmission, the apparatus comprising: a processor and a memory for storing a computer program capable of running on the processor,
Wherein the processor is adapted to perform the steps of the method of any of claims 1-8, or the steps of the method of any of claims 9-16, or the steps of the method of any of claims 17-20, when the computer program is run.
25. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any one of claims 1-8, or the steps of the method of any one of claims 9-16, or the steps of the method of any one of claims 17-20.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284870.2A CN116073969A (en) | 2021-11-01 | 2021-11-01 | Method and device for realizing data transmission and computer readable storage medium |
| PCT/CN2022/126726 WO2023071943A1 (en) | 2021-11-01 | 2022-10-21 | Method and apparatus for implementing data transmission, and computer-readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284870.2A CN116073969A (en) | 2021-11-01 | 2021-11-01 | Method and device for realizing data transmission and computer readable storage medium |
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| CN116073969A true CN116073969A (en) | 2023-05-05 |
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| CN202111284870.2A Pending CN116073969A (en) | 2021-11-01 | 2021-11-01 | Method and device for realizing data transmission and computer readable storage medium |
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| WO (1) | WO2023071943A1 (en) |
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| CN110611957B (en) * | 2018-06-15 | 2021-09-07 | 华为技术有限公司 | Signal transmission method and device |
| CN112399569A (en) * | 2019-08-14 | 2021-02-23 | 华为技术有限公司 | Communication method and communication device |
| CN112713976A (en) * | 2019-10-25 | 2021-04-27 | 北京三星通信技术研究有限公司 | Signal transmission method and device for UE |
| CN113271670B (en) * | 2020-02-14 | 2023-04-07 | 中国移动通信有限公司研究院 | Configuration method of direct link resources, terminal and base station |
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