CN112738903B - DRX (discontinuous reception) implementation method, user terminal and base station - Google Patents

DRX (discontinuous reception) implementation method, user terminal and base station Download PDF

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CN112738903B
CN112738903B CN201911032098.8A CN201911032098A CN112738903B CN 112738903 B CN112738903 B CN 112738903B CN 201911032098 A CN201911032098 A CN 201911032098A CN 112738903 B CN112738903 B CN 112738903B
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CN112738903A (en
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袁菁
姜春霞
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Potevio Information Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The embodiment of the invention provides a DRX (discontinuous reception) implementation method, a user terminal and a base station, wherein the method comprises the following steps: if a downlink authorization message received when a User Equipment (UE) performs service processing on an operating subband carries an indication of Discontinuous Reception (DRX) left in the subband, determining a DRX initial time corresponding to the UE; judging whether the UE meets the condition of entering the DRX state, if so, entering the DRX state on the working sub-band based on the DRX starting moment; wherein, the condition for entering the DRX state specifically comprises: n downlink control channel PDCCH periods do not receive PDCCHDCI authorization, and N is a value configured in advance by a base station. The terminal of the embodiment of the invention can enter the DRX state in the working sub-band according to the indication of the base station without returning to the resident sub-band, and the user terminal can receive the authorization in time, thereby improving the resource utilization rate.

Description

DRX (discontinuous reception) implementation method, user terminal and base station
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a DRX implementation method, a user terminal, and a base station.
Background
In a communication system, a handheld terminal is charged by using a battery, and the standby time of the terminal directly influences the experience of a user. In an industry network, the handheld terminal is mainly used by mobile workers, generally, the handheld terminal is far away from an indoor environment and cannot be charged frequently, so that the requirement of the industry network on reducing power consumption of the handheld terminal is particularly urgent. The introduction of Discontinuous Reception (DRX) technology can effectively save power for the terminal and improve the standby time of the terminal.
In the existing LTE230 private power network system, the starting time of Discontinuous Reception (DRX) of a terminal is related to the offset of a PDCCH cycle and the number of PDCCH cycles included in the DRX cycle, but when the PDCCH cycle is long, the two parameters can only indicate the position of the first half of the PDCCH cycle, the available DRX starting time is relatively small, the terminal needs to return to a resident subband to start DRX, and if the number of users residing in a certain subband is large and a plurality of users return to the resident subband to perform DRX, the DRX starting times of the users overlap, so that DRX is caused; although the DRX starting times of some users are not overlapped, due to the fact that the PDCCH has the repetition times, the PDCCH is continuously sent to the PDCCH starting times of other users, so that the users with covered starting times cannot receive the authorization in time.
Therefore, a method is needed to be provided to solve the problems that in the existing DRX implementation process, users with overlapping DRX starting times or covered starting times cannot receive authorization in time under the condition of a long PDCCH period, so that the resource utilization rate is low and the UE transmission delay is high.
Disclosure of Invention
Embodiments of the present invention provide a DRX implementation method and apparatus that overcome the above problems or at least partially solve the above problems.
In a first aspect, an embodiment of the present invention provides a DRX implementation method, including:
if a downlink authorization message received when a User Equipment (UE) performs service processing on an operating subband carries an indication of Discontinuous Reception (DRX) left in the subband, determining a DRX initial time corresponding to the UE;
judging whether the UE meets the condition of entering the DRX state, if so, entering the DRX state on the working sub-band based on the DRX starting moment;
wherein, the condition for entering the DRX state specifically comprises: n downlink control channel PDCCH periods do not receive PDCCH DCI authorization, and N is a value configured in advance by the base station.
Further, determining a DRX start time corresponding to the UE specifically includes:
and determining the DRX initial time corresponding to the UE according to the number of wireless frames contained in the PDCCH period corresponding to the working subband, the offset of the PDCCH period, the number of the PDCCH periods contained in the DRX period and the offset of the DRX period corresponding to the UE.
Further, determining a DRX start time corresponding to the UE according to the number of wireless frames included in a PDCCH cycle corresponding to the working subband, the offset of the PDCCH cycle, the number of PDCCH cycles included in a DRX cycle, and the offset of the DRX cycle corresponding to the UE, specifically:
determining the DRX starting time corresponding to the UE by using the following formula:
Figure BDA0002250451330000021
wherein, SFN is a radio frame number corresponding to the DRX initial time, DRX _ cycle is the number of PDCCH cycles included in the DRX cycle, PDCCH _ startoffset is an offset of the PDCCH cycle, DRX _ startoffset is an offset of the DRX cycle corresponding to the UE, n is used to control the DRX initial time to be in a first half or a second half of the PDCCH cycle, and a value of n is 0 or 1;
when the DRX _ cycle is 1, the DRX _ startoffset value is 0.
When the number of wireless frames included in the PDCCH period is less than or equal to 4, n is 0; alternatively, the first and second electrodes may be,
when the number of radio frames included in the PDCCH period is greater than 4,
Figure BDA0002250451330000031
entering a DRX state on the working subband, specifically:
and monitoring the PDCCH in the wake-up time on Duration of each DRX period, entering a normal working state if DCI scrambled by the C-RNTI of the terminal is received, and starting to continue service processing in the working sub-band.
In a second aspect, an embodiment of the present invention provides a DRX implementation method, including:
sending a downlink authorization message to a first user terminal, wherein the downlink authorization message carries an indication that the first user terminal stays in a sub-band for Discontinuous Reception (DRX);
when the first user terminal is informed that the first user terminal enters a DRX state in a working sub-band and a second user terminal needing to be allocated with the same PDCCH period as the first user terminal exists, allocating the working sub-band to the second user terminal and allocating SR resources to the second user terminal on the working sub-band;
and when the first user terminal is informed to enter a normal working state on the working sub-band, scheduling the second user terminal to other sub-bands, or alternatively polling and scheduling the first user terminal and the second user terminal to perform service processing on the working sub-band when the first user terminal and the second user terminal do not reach the condition of returning to the resident sub-band.
In a third aspect, an embodiment of the present invention provides a user terminal, including:
a DRX initial determining module, configured to calculate a DRX initial time if a downlink grant message received when a service is processed on an operating subband carries an indication of performing discontinuous reception DRX remaining in the subband;
the DRX realization module is used for judging whether the condition of entering DRX is met, and if the condition of entering DRX is met, the DRX state is entered on the working sub-band based on the DRX starting moment;
wherein, the condition for entering DRX specifically comprises: n downlink control channel PDCCH periods do not receive PDCCH DCI authorization, and N is a value configured in advance by the base station.
In a fourth aspect, an embodiment of the present invention provides a base station, including:
an indication sending module, configured to send a downlink grant message to a first user terminal, where the downlink grant message carries an indication that the first user terminal stays in the subband for DRX discontinuous reception;
a resource allocation module, configured to, when it is known that the first user terminal enters a DRX state in a working subband and there is a subband to be allocated to a second user terminal having the same PDCCH period as the first user terminal, allocate the working subband to the second user terminal, and allocate an SR resource to the second user terminal on the working subband;
and the scheduling module is used for scheduling the second user terminal to other sub-bands when the first user terminal is informed to enter a normal working state on the working sub-band, or alternatively polling and scheduling the first user terminal and the second user terminal to perform service processing on the working sub-band when the first user terminal and the second user terminal do not reach the condition of returning to the resident sub-band.
In a fifth aspect, an embodiment of the present invention provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the steps of the DRX implementation method as provided in the first aspect or the second aspect when executing the program.
In a sixth aspect, an embodiment of the present invention provides a non-transitory computer readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the DRX implementation method as provided in the first aspect or the second aspect.
According to the DRX implementation method, the user terminal and the base station provided by the embodiment of the invention, the terminal can enter the DRX state in the working sub-band according to the indication of the base station without returning to the resident sub-band, so that the overlapping or covering of the DRX starting moments of different user terminals under the condition of longer PDCCH period is avoided, the user terminal can receive authorization in time, and the resource utilization rate is improved.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a DRX implementation method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a DRX Cycle;
fig. 3 is a flowchart illustrating a DRX implementation method according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a user terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 6 is a schematic physical structure diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a flow diagram of a DRX implementation method provided in an embodiment of the present invention includes:
step 100, if a downlink grant message received when a User Equipment (UE) performs service processing on an operating subband carries an indication of performing Discontinuous Reception (DRX) on the subband, determining a DRX starting time corresponding to the UE;
specifically, when the UE performs service processing On the operating subband, the UE receives the downlink grant information, and if the received downlink grant information carries an indication of performing discontinuous reception DRX left in the subband, the UE calculates a DRX start time corresponding to the UE according to the indication, where the DRX start time is a start time of a DRX On Duration. As shown in fig. 2, a diagram of a DRX Cycle is shown, and the DRX Cycle is composed of an On Duration (active period) and an Opportunity for DRX (sleep period): in the On Duration time, the UE monitors and receives PDCCH dispatching information, if the dispatching information is received, the terminal enters a normal working state from a DRX state, and data transmission service is finished to an indicated working sub-band; during Opportunity for DRX time, the UE does not receive the PDCCH to reduce power consumption. If the scheduling information is not received during the On Duration, no action is taken in the next Opportunity for DRX time, and the PDCCH scheduling information is continuously monitored in the next On Duration.
And determining the DRX initial time corresponding to the UE according to the number of wireless frames contained in the PDCCH period corresponding to the working subband, the offset of the PDCCH period, the number of the PDCCH periods contained in the DRX period and the offset of the DRX period corresponding to the UE.
It should be noted that the offset of the DRX cycle corresponding to the UE is unique, so that the DRX start time corresponding to the UE is also unique, and it is ensured that the DRX start times corresponding to different UEs on the same operating subband do not overlap.
Step 101, judging whether the UE meets the condition of entering the DRX state, if the UE meets the condition of entering the DRX state, entering the DRX state on the working sub-band based on the DRX starting moment;
specifically, after N downlink control channel PDCCH periods do not receive PDCCH DCI authorization, the UE starts to enter the DRX state at the DRX start time in the current working subband. Wherein, N is a value configured in advance by the base station.
According to the DRX implementation method provided by the embodiment of the invention, the terminal can enter the DRX state in the working sub-band according to the indication of the base station without returning to the resident sub-band, so that the overlapping or covering of the DRX starting moments of different user terminals under the condition of longer PDCCH period is avoided, the user terminals can receive authorization in time, and the resource utilization rate is improved.
Based on the content of the foregoing embodiment, determining the DRX start time corresponding to the UE specifically includes:
and determining the DRX initial time corresponding to the UE according to the number of wireless frames contained in the PDCCH period corresponding to the working subband, the offset of the PDCCH period, the number of the PDCCH periods contained in the DRX period and the offset of the DRX period corresponding to the UE.
Specifically, the DRX start time corresponding to the UE is determined by using the following equation, that is, the DRX OnDuration is started at the radio frame start time satisfying the following equation:
Figure BDA0002250451330000071
wherein, SFN is a radio frame number corresponding to the DRX initial time, DRX _ cycle is the number of PDCCH cycles included in the DRX cycle, PDCCH _ startoffset is an offset of the PDCCH cycle, DRX _ startoffset is an offset of the DRX cycle corresponding to the UE, n is used to control the DRX initial time to be in a first half or a second half of the PDCCH cycle, and a value of n is 0 or 1;
wherein, when the DRX _ cycle is 1 (i.e. represents one PDCCH cycle), the DRX _ startoffset value is 0.
When the DRX _ cycle is not 1, if the number of radio frames included in the PDCCH period is less than or equal to 16, the DRX _ startoffset value is 0 to DRX _ cycle-1, and if the number of radio frames included in the PDCCH period is greater than 16, the DRX _ startoffset value is 0.
When the number of radio frames included in the PDCCH period is less than or equal to 4, n is 0; alternatively, the first and second electrodes may be,
when the number of radio frames included in the PDCCH period is greater than 4,
Figure BDA0002250451330000072
based on the content of the foregoing embodiment, entering the DRX state on the working subband specifically includes:
and monitoring the PDCCH in the wake-up time on Duration of each DRX period, entering a normal working state if DCI scrambled by the C-RNTI of the terminal is received, and starting to continue service processing in the working sub-band.
Specifically, the UE monitors the PDCCH within the wake-up time on Duration of each DRX cycle, and enters a normal working state if receiving DCI scrambled by its own C-RNTI, and starts to continue service processing in the working sub-band. And if the uplink data is transmitted, transmitting a scheduling request by using the special SR resource of the current working sub-band of the user terminal UE.
As shown in fig. 3, a flowchart of a DRX implementation method according to another embodiment of the present invention is shown, including:
step 300, sending a downlink authorization message to a first user terminal, where the downlink authorization message carries an indication that the first user terminal stays in the sub-band for Discontinuous Reception (DRX);
specifically, the execution subject of the embodiment of the present invention is the base station, and the base station determines whether the UE added with 1 bit in the downlink grant message stays in the local subband to perform DRX indication, when the value of the indication is 1, the UE performs DRX in the current working subband after receiving the downlink grant message, and when the value of the indication is 0, the UE needs to return to the resident subband to perform DRX.
The base station sends a downlink grant message to the first user terminal UE1, where the downlink grant message carries an indication that the first user terminal UE1 stays in the sub-band for DRX discontinuous reception.
Step 301, when it is known that the first user terminal enters a DRX state in a working subband and there is a subband to be allocated to a second user terminal having the same PDCCH period as the first user terminal, allocating the working subband to the second user terminal, and allocating an SR resource to the second user terminal on the working subband;
specifically, when the base station knows that the first user terminal UE1 enters the DRX state in the working subband and there is a subband to be allocated to the second user terminal UE2 with the same PDCCH period as the first user terminal UE1, the working subband is allocated to the second user terminal UE2, and an SR resource is allocated to the second user terminal UE2 on the working subband.
Step 302, when it is known that the first user terminal enters a normal working state on the working subband, scheduling the second user terminal to other subbands, or alternatively polling and scheduling the first user terminal and the second user terminal to perform service processing on the working subband when the first user terminal and the second user terminal do not reach a condition of returning to a resident subband.
Specifically, when the base station learns that the first user terminal UE1 enters a normal working state on the working subband, the second user terminal UE2 is scheduled to another subband, or when the first user terminal UE1 and the second user terminal UE2 do not reach the condition of returning to the resident subband, service processing is alternately scheduled on the working subband by polling the first user terminal and the second user terminal.
It is worth mentioning that the second user terminal may be a plurality of user terminals.
The DRX implementation method provided by the embodiment of the invention can enable the user terminal to carry out DRX on the working subband without returning to the resident subband, avoids overlapping or covering the DRX starting moments of different user terminals under the condition of longer PDCCH period, enables the user terminal to receive authorization in time, improves the resource utilization rate, can be used by the user terminal without carrying out DRX by scheduling when the user terminal carries out DRX, avoids resource waste, and can continue to transmit data on the working subband or quickly adjust to other subbands to transmit data when the user terminal carrying out DRX needs to continue to do business.
As shown in fig. 4, a schematic structural diagram of a user terminal provided in an embodiment of the present invention includes: a DRX start determination module 410 and a DRX implementation module 420, wherein,
a DRX start determining module 410, configured to calculate a DRX start time if a downlink grant message received when performing service processing on an operating subband carries an indication of performing discontinuous reception DRX to be left in the subband;
specifically, when the DRX start determining module 410 performs service processing On the operating subband, receives the downlink grant information, and if the received downlink grant information carries an indication of performing discontinuous reception DRX left in the subband, the UE calculates a DRX start time corresponding to the UE according to the indication, where the DRX start time is a start time of a DRX On Duration.
Specifically, the DRX start determining module 410 determines the DRX start time corresponding to the UE according to the number of wireless frames included in the PDCCH cycle corresponding to the working subband, the offset of the PDCCH cycle, the number of PDCCH cycles included in the DRX cycle, and the offset of the DRX cycle corresponding to the UE.
It should be noted that the offset of the DRX cycle corresponding to the UE is unique, so that the DRX start time corresponding to the UE is also unique, and it is ensured that the DRX start times corresponding to different UEs on the same operating subband do not overlap.
A DRX implementation module 420, configured to determine whether a DRX entry condition is met, and if the DRX entry condition is met, enter a DRX state on the operating subband based on the DRX start time;
wherein, the condition for entering DRX specifically comprises: n downlink control channel PDCCH periods do not receive PDCCH DCI authorization, and N is a value configured in advance by the base station.
Specifically, the DRX implementation module 420 determines whether N downlink control channel PDCCH periods do not receive PDCCH DCI authorization, and if so, the current working subband starts to enter the DRX state at the DRX start time. Wherein, N is a value configured in advance by the base station.
The user terminal provided by the embodiment of the invention can enter the DRX state in the working sub-band according to the indication of the base station without returning to the resident sub-band, avoids the overlapping or covering of the DRX initial moments of different user terminals under the condition of longer PDCCH period, can receive authorization in time, and improves the resource utilization rate.
As shown in fig. 5, a schematic structural diagram of a base station provided in an embodiment of the present invention includes: an indication transmission module 510, a resource allocation module 520, and a scheduling module 530, wherein,
an indication sending module 510, configured to send a downlink grant message to a first user equipment, where the downlink grant message carries an indication that the first user equipment stays in the sub-band for DRX discontinuous reception;
specifically, the instruction sending module 510 indicates whether the UE added with 1 bit in the downlink grant message remains in the subband to perform DRX instruction, when the value of the instruction is 1, the UE performs DRX in the current working subband after receiving the downlink grant message, and when the value of the instruction is 0, the UE needs to return to the resident subband to perform DRX.
The instruction sending module 510 sends a downlink grant message to the first user equipment UE1, where the downlink grant message carries an instruction that the first user equipment UE1 stays in the sub-band for DRX discontinuous reception.
A resource allocation module 520, configured to, when it is known that the first user terminal enters a DRX state in a working subband and there is a subband to be allocated to a second user terminal having the same PDCCH period as the first user terminal, allocate the working subband to the second user terminal, and allocate an SR resource to the second user terminal on the working subband;
specifically, when the resource allocation module 520 learns that the first user terminal UE1 enters the DRX state in the working subband and there is a subband to be allocated to the second user terminal UE2 with the same PDCCH period as the first user terminal UE1, the working subband is allocated to the second user terminal UE2, and an SR resource is allocated to the second user terminal UE2 on the working subband.
A scheduling module 530, configured to schedule the second user terminal to another sub-band when it is known that the first user terminal enters a normal working state on the working sub-band, or alternately schedule service processing on the working sub-band by polling the first user terminal and the second user terminal when the first user terminal and the second user terminal do not reach a condition of returning to a resident sub-band.
Specifically, when the scheduling module 530 learns that the first user terminal UE1 enters a normal working state on the working sub-band, the second user terminal UE2 is scheduled to another sub-band, or when the first user terminal UE1 and the second user terminal UE2 do not reach the condition of returning to the resident sub-band, service processing of the first user terminal and the second user terminal on the working sub-band is alternately scheduled by polling.
The base station provided by the embodiment of the invention can enable the user terminal to carry out DRX on the working subband without returning to the resident subband, avoids overlapping or covered DRX starting moments of different user terminals under the condition of longer PDCCH period, the user terminal can receive authorization in time, the resource utilization rate is improved, when the user terminal carries out DRX, the working subband can be used by the user terminal which does not carry out DRX through scheduling, the resource waste is avoided, and when the user terminal carrying out DRX needs to continue to do business, the user terminal which does not carry out DRX can continue to transmit data on the working subband or quickly adjust to other subbands to transmit data.
Fig. 6 is a schematic entity structure diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 6, the electronic device may include: a processor (processor)610, a communication Interface (Communications Interface)620, a memory (memory)630 and a communication bus 640, wherein the processor 610, the communication Interface 620 and the memory 630 communicate with each other via the communication bus 640. The processor 610 may invoke a computer program stored on the memory 630 and operable on the processor 610 to perform the DRX implementation methods provided by the above-described method embodiments, including, for example: if a downlink authorization message received when a User Equipment (UE) performs service processing on an operating subband carries an indication of Discontinuous Reception (DRX) left in the subband, determining a DRX initial time corresponding to the UE; judging whether the UE meets the condition of entering the DRX state, if so, entering the DRX state on the working sub-band based on the DRX starting moment; wherein, the condition for entering the DRX state specifically comprises: n downlink control channel PDCCH periods do not receive PDCCH DCI authorization, and N is a value configured in advance by the base station.
The processor 610 may invoke a computer program stored on the memory 630 and operable on the processor 610 to perform the DRX implementation methods provided by the above-described method embodiments, including, for example: sending a downlink authorization message to a first user terminal, wherein the downlink authorization message carries an indication that the first user terminal stays in a sub-band for Discontinuous Reception (DRX); when the first user terminal is informed that the first user terminal enters a DRX state in a working sub-band and a second user terminal needing to be allocated with the same PDCCH period as the first user terminal exists, allocating the working sub-band to the second user terminal and allocating SR resources to the second user terminal on the working sub-band; and when the first user terminal is informed to enter a normal working state on the working subband, the second user terminal is dispatched to other subbands, or when the first user terminal and the second user terminal do not reach the condition of returning to the resident subband, the first user terminal and the second user terminal are alternately dispatched in a polling way to perform service processing on the working subband.
In addition, the logic instructions in the memory 630 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solutions of the embodiments of the present invention 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 steps 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.
An embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the DRX implementation method provided in the foregoing method embodiments, and includes: if a downlink authorization message received when a User Equipment (UE) performs service processing on an operating subband carries an indication of Discontinuous Reception (DRX) left in the subband, determining a DRX initial time corresponding to the UE; judging whether the UE meets the condition of entering the DRX state, if so, entering the DRX state on the working sub-band based on the DRX starting moment; wherein, the condition for entering the DRX state specifically comprises: n downlink control channel PDCCH periods do not receive PDCCH DCI authorization, and N is a value configured in advance by the base station.
An embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the DRX implementation method provided in the foregoing method embodiments, and includes: sending a downlink authorization message to a first user terminal, wherein the downlink authorization message carries an indication that the first user terminal stays in a sub-band for Discontinuous Reception (DRX); when the first user terminal is informed that the first user terminal enters a DRX state in a working sub-band and a second user terminal needing to be allocated with the same PDCCH period as the first user terminal exists, allocating the working sub-band to the second user terminal and allocating SR resources to the second user terminal on the working sub-band; and when the first user terminal is informed to enter a normal working state on the working sub-band, scheduling the second user terminal to other sub-bands, or alternatively polling and scheduling the first user terminal and the second user terminal to perform service processing on the working sub-band when the first user terminal and the second user terminal do not reach the condition of returning to the resident sub-band.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on the understanding, the above technical solutions substantially or otherwise contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A DRX implementation method, comprising:
if a downlink authorization message received when a User Equipment (UE) performs service processing on an operating subband carries an indication of Discontinuous Reception (DRX) left in the subband, determining a DRX initial time corresponding to the UE;
judging whether the UE meets the condition of entering the DRX state, if so, entering the DRX state on the working sub-band based on the DRX starting moment;
wherein, the condition for entering the DRX state specifically comprises: n downlink control channel PDCCH periods do not receive PDCCH DCI authorization, and N is a value configured in advance by the base station.
2. The method for implementing DRX according to claim 1, wherein determining the DRX start time corresponding to the UE specifically includes:
and determining the DRX initial time corresponding to the UE according to the number of wireless frames contained in the PDCCH cycle corresponding to the working subband, the offset of the PDCCH cycle, the number of the PDCCH cycles contained in the DRX cycle and the offset of the DRX cycle corresponding to the UE.
3. The DRX implementation method according to claim 2, wherein determining the DRX start time corresponding to the UE according to the number of radio frames included in the PDCCH cycle corresponding to the working subband, the offset of the PDCCH cycle, the number of PDCCH cycles included in the DRX cycle, and the offset of the DRX cycle corresponding to the UE is specifically:
determining the DRX starting time corresponding to the UE by using the following equation:
Figure FDA0002250451320000011
wherein, SFN is a radio frame number corresponding to the DRX initial time, DRX _ cycle is the number of PDCCH cycles included in the DRX cycle, PDCCH _ startoffset is an offset of the PDCCH cycle, DRX _ startoffset is an offset of the DRX cycle corresponding to the UE, n is used to control the DRX initial time to be in a first half or a second half of the PDCCH cycle, and a value of n is 0 or 1;
when the DRX _ cycle is 1, the DRX _ startoffset value is 0.
4. The DRX implementation method of claim 3, wherein when the number of radio frames included in the PDCCH period is less than or equal to 4, n is 0; alternatively, the first and second electrodes may be,
when the number of radio frames included in the PDCCH period is greater than 4,
Figure FDA0002250451320000021
5. the DRX implementation method according to claim 1, wherein entering the DRX state on the active subband specifically includes:
and monitoring the PDCCH in the wake-up time on Duration of each DRX period, entering a normal working state if DCI scrambled by the C-RNTI of the terminal is received, and starting to continue service processing in the working sub-band.
6. A DRX implementation method, comprising:
sending a downlink authorization message to a first user terminal, wherein the downlink authorization message carries an indication that the first user terminal stays in a sub-band for Discontinuous Reception (DRX);
when the first user terminal is informed that the first user terminal enters a DRX state in a working sub-band and a second user terminal needing to be allocated with the same PDCCH period as the first user terminal exists, allocating the working sub-band to the second user terminal and allocating SR resources to the second user terminal on the working sub-band;
and when the first user terminal is informed to enter a normal working state on the working sub-band, scheduling the second user terminal to other sub-bands, or alternatively polling and scheduling the first user terminal and the second user terminal to perform service processing on the working sub-band when the first user terminal and the second user terminal do not reach the condition of returning to the resident sub-band.
7. A user terminal, comprising:
a DRX initial determining module, configured to calculate a DRX initial time if a downlink grant message received when a service is processed on an operating subband carries an indication of performing discontinuous reception DRX remaining in the subband;
the DRX realization module is used for judging whether the condition of entering DRX is met, and if the condition of entering DRX is met, the DRX state is entered on the working sub-band based on the DRX starting moment;
wherein, the condition for entering DRX specifically comprises: n downlink control channel PDCCH periods do not receive PDCCH DCI authorization, and N is a value configured in advance by the base station.
8. A base station, comprising:
an indication sending module, configured to send a downlink grant message to a first user terminal, where the downlink grant message carries an indication that the first user terminal stays in the subband for DRX discontinuous reception;
a resource allocation module, configured to, when it is known that the first user terminal enters a DRX state in a working subband and there is a subband to be allocated to a second user terminal having the same PDCCH period as the first user terminal, allocate the working subband to the second user terminal, and allocate an SR resource to the second user terminal on the working subband;
and the scheduling module is used for scheduling the second user terminal to other sub-bands when the first user terminal is informed to enter a normal working state on the working sub-band, or alternatively polling and scheduling the first user terminal and the second user terminal to perform service processing on the working sub-band when the first user terminal and the second user terminal do not reach the condition of returning to the resident sub-band.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program implements the steps of the DRX implementation method according to any of claims 1 to 6.
10. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the DRX implementation method according to any one of claims 1 to 6.
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