A control method, device and computer-readable storage medium

Abstract

This application discloses a control method, apparatus, and computer-readable storage medium. The control method includes obtaining resource utilization information and, when a symbol state adjustment condition is met, adjusting time-domain symbol resource configuration based on the resource utilization information. The solution provided in this application improves configuration efficiency by adjusting time-domain symbol resource configuration based on resource utilization information.

Description

Technical Field

[0001] Embodiments of the present invention relate to, but are not limited to, a control method, an apparatus, and a computer-readable storage medium. Background Art

[0002] Mobile communication technology is developing rapidly, and NR (New Radio) wireless communication systems, as the culmination of this evolving wireless communication technology, have garnered widespread attention. Energy conservation is also a key concern for sustainable development in today's society. Minimizing base station energy consumption while ensuring communication needs has become a key concern in today's wireless communication systems.

[0003] Generally speaking, a base station downlink transmission function module includes: a digital baseband unit 101, an intermediate frequency unit 102, a radio frequency unit 103 and an antenna 104. Figure 1 The power amplifier included in the radio frequency unit 103 is one of the main energy-consuming modules for downlink transmission of the base station. In a communication system, the power amplifier is usually in a continuously turned-on state by default, which consumes a lot of energy. Summary of the Invention

[0004] At least one embodiment of the present invention provides a control method, device, and computer-readable storage medium.

[0005] At least one embodiment of the present invention provides a control method, comprising: acquiring resource utilization information, and adjusting time-domain symbol resource configuration according to the resource utilization information when a symbol state adjustment condition is met.

[0006] At least one embodiment of the present invention provides a control device including a memory and a processor, wherein the memory stores a program, and when the program is read and executed by the processor, the control method described in any embodiment is implemented.

[0007] At least one embodiment of the present invention provides a computer-readable storage medium, which stores one or more programs. The one or more programs can be executed by one or more processors to implement the control method described in any embodiment.

[0008] Compared to related technologies, at least one embodiment of the present invention includes obtaining resource utilization information and, when a symbol state adjustment condition is met, adjusting the time-domain symbol resource configuration based on the resource utilization information. This embodiment provides a solution that adjusts the time-domain symbol resource configuration based on resource utilization information, improving configuration efficiency and facilitating energy conservation at the base station.

[0009] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purposes and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0011] Figure 1 It is a schematic diagram of downlink transmission of a base station communication system;

[0012] Figure 2 is a flow chart of a control method provided by an embodiment of the present invention;

[0013] Figure 3 It is a schematic diagram of symbol shutdown processing;

[0014] Figure 4 is a flow chart of a control method provided by an embodiment of the present invention (symbol shutdown);

[0015] Figure 5 is a flow chart of a control method provided by an embodiment of the present invention (symbol is turned on);

[0016] Figure 6 is a block diagram of a control device provided by an embodiment of the present invention;

[0017] Figure 7 This is a block diagram of a computer-readable storage medium provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions and advantages of the present invention more clearly understood, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other in any manner.

[0019] The steps shown in the flowcharts of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions. Also, although a logical order is shown in the flowcharts, in some cases, the steps shown or described can be performed in an order different from that shown here.

[0020] When the communication traffic is low, the power utilization rate is low, that is, the energy consumption is relatively wasted relative to the actual traffic volume being processed. It is possible to consider shutting down some power amplifiers.

[0021] In the NR wireless communication system, a more flexible PDSCH (Physical Downlink Shared Channel) time domain symbol resource configuration can be configured. For each slot, 12-14 symbols can usually be configured. In the NR-related standards, there are two time domain resource configuration methods: Type A and Type B. The two time domain resource configurations determine the resources occupied by the PDSCH in the time domain by configuring the starting position and symbol length of the PDSCH symbol. Among them, in the Type A configuration method, when the cyclic prefix uses the Normal cyclic prefix, the symbol starting position can be configured as {0,1,2,3}, and the symbol length can be configured as {3,…,14}. When the cyclic prefix uses the Extended cyclic prefix, the symbol starting position can be configured as {0,1,2,3}, and the symbol length can be configured as {3,…,12}. In Type B configuration mode, when the cyclic prefix uses the Normal cyclic prefix, the symbol starting position can be configured as {0,…,12}, and the symbol length can be configured as {2,4,7}. When the cyclic prefix uses the Extended cyclic prefix, the symbol starting position can be configured as {0,…,10}, and the symbol length can be configured as {2,4,6}.

[0022] Compared with the previous generation mobile communication system LTE (Long Term Evolution), since such flexible symbol time domain resource configuration is not provided, it is impossible to flexibly adjust the number of PDSCH symbols turned on according to specific needs. The flexible symbol time domain resource configuration provided by the NR standard can limit the number of PDSCH symbols turned on according to the business conditions in different scenarios, that is, close the radio frequency path on some symbols, which can reduce the power consumption of the base station to a certain extent when the business is idle, thereby achieving the effect of energy saving of the base station. It should be noted that the following embodiments are described using PDSCH as an example, but the present application is not limited to this, and the present application can also be applied to PDCCH.

[0023] In this application, based on the base station's judgment on the traffic volume, adaptive transmission symbol shutdown is performed, and corresponding symbols are shut down through flexible NR symbol configuration, so as to achieve the purpose of reducing the NR base station's transmission power loss and achieve the NR base station energy saving effect.

[0024] like Figure 2 As shown, an embodiment of the present invention provides a control method, including:

[0025] Step 201: Obtain resource utilization information;

[0026] Step 202: When the symbol state adjustment condition is met, adjust the time domain symbol resource configuration according to the resource utilization information.

[0027] Wherein, whether the symbol state adjustment condition is met is determined according to the resource utilization information.

[0028] The solution provided in this embodiment adjusts the time domain symbol resource configuration through resource utilization information, can perform centralized scheduling, improves configuration efficiency, and is beneficial to base station energy saving.

[0029] In step 201, the resource utilization information includes: the PRB (Physical Resource Block) utilization of the time slot, wherein the PRB utilization of any time slot is the ratio of the physical resource blocks scheduled in the time slot to the physical resource blocks available in the time slot. That is:

[0030]

[0031] It should be noted that the resource utilization information may also be the resource element (RE) utilization, that is:

[0032]

[0033] Of course, resource utilization may also be other information representing the resource occupancy ratio.

[0034] The symbol state adjustment conditions include meeting the shutdown conditions and the symbol turn-on conditions.

[0035] Symbol adjustment includes symbol off and symbol on. In one embodiment, the symbol state adjustment condition is satisfied including:

[0036] The physical resource block utilization filter value of the current time slot is less than or equal to the first shutdown threshold; wherein the physical resource block utilization filter value of the current time slot is obtained by the physical resource block utilization of the time slot and the physical resource block utilization filter value of the time slot before the time slot;

[0037] Alternatively, the average utilization rate of the physical resource blocks of each time slot in the current monitoring window is less than or equal to the second shutdown threshold; wherein the size of the monitoring window can be set as needed.

[0038] Alternatively, the physical resource block utilization rate of N1 consecutive time slots in the current monitoring window is less than or equal to the third shutdown threshold; the N1 is greater than or equal to 1 and less than or equal to the number of time slots included in the monitoring window;

[0039] Alternatively, the physical resource block utilization rate of the current time slot is less than or equal to the fourth shutdown threshold.

[0040] The above are the symbol turn-off conditions.

[0041] The physical resource block utilization filter value of the current time slot is obtained by the physical resource block utilization of the time slot and the physical resource block utilization filter value of the time slot before the time slot, for example, as follows:

[0042] PRB utilization 滤波 (n) = α × PRB utilization rate (n) + (1-α) × PRB utilization rate 滤波 (n-1)

[0043] Among them, α is an adjustment coefficient, 0≤α≤1, PRB utilization 滤波 (n) is the PRB utilization filter value of the nth time slot, PRB utilization (n) is the PRB utilization value of the nth time slot, PRB utilization 滤波 (n-1) is the PRB utilization filter value of the n-1th time slot. For the first time slot, there is no previous time slot, so the PRB utilization (1) can be directly used as the PRB utilization 滤波 (1), of course, it can also be PRB utilization 滤波 (0) assigns an initial value, thereby according to PRB utilization (1) and PRB utilization 滤波 (0) Get PRB utilization 滤波 (1).

[0044] It should be noted that this is only an example, and the physical resource block utilization filtering value of the current time slot can be obtained by the physical resource block utilization of the current time slot and the physical resource block utilization filtering values ​​of more previous time slots.

[0045] In one embodiment, the physical resource block utilization filter value of the current time slot is less than or equal to the first shutdown threshold, which includes: the physical resource block utilization filter value of the current time slot is effective and less than or equal to the first shutdown threshold, wherein, after L time slots have passed since the symbol shutdown function was turned on, the PRB utilization 滤波 The physical resource block utilization filter value of the current time slot takes effect after the symbol shutdown function is turned on.

[0046] In one embodiment, adjusting the time-domain symbol resource configuration according to the resource utilization information includes: determining a symbol adjustment quantity according to the resource utilization information, and adjusting the time-domain symbol resource configuration according to the symbol adjustment quantity.

[0047] In one embodiment, determining the symbol adjustment quantity according to the resource utilization information includes:

[0048] The symbol adjustment amount is the symbol off number, and:

[0049] Sign adjustment quantity

[0050] Where P is the physical resource block utilization filter value of the current time slot, or the maximum physical resource block utilization in the current monitoring window, or the physical resource block utilization of the current time slot, ShutoffProtect is the symbol shutdown protection interval, and 0≤ShutoffProtect<1, N PDSCH The number of PDSCH symbols turned on in a time slot.

[0051] In one embodiment, when the symbol adjustment number is a symbol-off number, after adjusting the time-domain symbol resource configuration according to the symbol adjustment number, the method further includes:

[0052] The shutdown symbol position is determined based on other signals configured on each symbol; among them, other signals include: SSB (Synchronization Signal Block), TRS (Tracking Reference Signal), CSI-RS (Channel State Information Reference Signal), PDCCH (Physical Downlink Control Channel) and other signals.

[0053] The corresponding radio frequency path is shut down according to the position of the shutdown symbol.

[0054] In one embodiment, determining the position of the symbol to be turned off based on other signals configured on each symbol includes: when a reference signal is configured on the symbol to be turned off, keeping the symbol on. The reference symbols include CSI-RS, TRS, SSB, etc. For example, the current PDCCH is configured with symbols 0 and 1, and the PDSCH is configured with symbols 2 to 13. The calculation shows that the number of symbols that can be turned off is 3. At this time, the PDSCH is configured with symbols 2 to 10, and symbols 11 to 13 are to be turned off. However, CSI-RS is configured on symbol 13, so symbol 13 is kept on, and symbols 11 and 12 are finally turned off.

[0055] In one embodiment, satisfying the symbol state adjustment condition includes:

[0056] The PRB utilization filter value of the current timeslot is within a preset opening threshold range; for example, the PRB utilization filter value is greater than or equal to the threshold ThrOpen1, or the PRB utilization filter value is greater than or equal to the threshold ThrOpen2 and less than the threshold ThrOpen1, and so on.

[0057] Alternatively, the physical resource block utilization of at least a preset number of time slots in the current monitoring window is within a preset opening threshold range; for example, the PRB utilization of at least M1 time slots in the monitoring window is greater than or equal to the threshold ThrOpen1, and the PRB utilization of at least M2 time slots in the monitoring window is greater than or equal to the threshold ThrOpen2 and less than the threshold ThrOpen1, and so on.

[0058] Alternatively, the PRB utilization rate of the current timeslot is within a preset opening threshold range, for example, the PRB utilization rate is greater than or equal to the threshold ThrOpen1, or the PRB utilization rate is greater than or equal to the threshold ThrOpen2 and less than the threshold ThrOpen1, and so on.

[0059] The above are the conditions for turning on the symbol.

[0060] In one embodiment, adjusting the time-domain symbol resource configuration based on the resource utilization information includes determining a symbol-enabling number based on a symbol adjustment number corresponding to a preset enable threshold range in a currently satisfied symbol state adjustment condition, and adjusting the time-domain symbol resource configuration based on the symbol-enabling number. Different preset enable threshold ranges correspond to different symbol adjustment numbers. Therefore, the number of symbols to be enabled can be determined directly based on the symbol adjustment number corresponding to the preset enable threshold range in the satisfied symbol adjustment condition. It should be noted that this is merely an example, and the symbol-enabling number may also be determined using other methods, such as directly enabling all symbols.

[0061] In one embodiment, the symbol adjustment quantity corresponding to the preset opening threshold range includes:

[0062] When it is greater than or equal to the first opening threshold, all symbols are opened;

[0063] When the value is greater than or equal to the second enable threshold and less than the first enable threshold, the minimum enable symbol number is enabled.

[0064] It should be noted that the above thresholds are only examples. For example, more thresholds can be set, such as a first opening threshold, a second opening threshold, and a third opening threshold. Then:

[0065] When it is greater than or equal to the first opening threshold, all symbols are opened;

[0066] When it is greater than or equal to the second enable threshold and less than the first enable threshold, 4 symbols are enabled.

[0067] When it is greater than or equal to the third enable threshold and less than the second enable threshold, two symbols are enabled.

[0068] The present application is described below through specific embodiments of symbol off and symbol on.

[0069] Symbol shutoff is mainly used to identify when the service load is low by using the PRB utilization rate, matching different symbol shutoff numbers, and saturating the frequency domain resources as much as possible, thereby freeing up the corresponding time domain resources for symbol shutoff. That is, when the PRB utilization rate is low, some symbols can be shut off and no data is sent, while the frequency domain space of the open symbols can be used as much as possible, as shown in the figure. Figure 3 shown.

[0070] like Figure 4 As shown, an embodiment of the present invention provides a control method, including:

[0071] Step 401, the symbol shutdown function is turned on;

[0072] It should be noted that the symbol shutdown function can also be configured by the system without having to be turned on.

[0073] Step 402, monitoring the symbol shutoff condition;

[0074] The symbol shutdown conditions can refer to the above-mentioned embodiments. For example, it can be determined whether the physical resource block utilization filter value of the current time slot is less than or equal to the first shutdown threshold; or, whether the average value of the physical resource block utilization of each time slot in the current monitoring window is less than or equal to the second shutdown threshold; or, whether the physical resource block utilization of N1 consecutive time slots in the current monitoring window is less than or equal to the third shutdown threshold; the N1 is greater than or equal to 1 and less than or equal to the number of time slots included in the monitoring window; or, whether the physical resource block utilization of the current time slot is less than or equal to the fourth shutdown threshold.

[0075] Step 403: When the symbol shutoff condition is met, the number of symbols that can be shut off is obtained;

[0076] For example, according to Obtain the number of symbols that can be turned off, where P is the filtered value of the physical resource block utilization of the current time slot, or the maximum physical resource block utilization in the current monitoring window, or the physical resource block utilization of the current time slot. For the rest, refer to the above embodiment.

[0077] Step 404, obtaining the position of the switchable symbol;

[0078] After obtaining the number of symbols that can be turned off, the time domain symbol resource configuration can be adjusted to match the number of symbols that can be turned off based on the configuration mode and configuration combination of Type A and Type B, combined with the configuration of signals such as SSB, CSI-RS, and PDCCH. If a PDSCH symbol to be turned off encounters a reference signal such as CSI-RS, TRS, or SSB, the symbol may not be turned off.

[0079] Step 405: Notify the radio frequency unit to perform symbol shutdown, that is, shut down the radio frequency path corresponding to the switchable symbol.

[0080] When the symbol is turned off, the corresponding radio frequency unit can shut down the corresponding path, including the power amplifier with relatively serious energy consumption. Compared with the traditional NR base station radio frequency path continuous opening processing method, the solution provided by this embodiment makes better use of the NR flexible PDSCH symbol time domain resource configuration. By identifying the traffic volume, in the time period with low traffic volume (low PRB utilization, or low PRB utilization filter value, or low PRB utilization average value in the monitoring window, etc.), the frequency domain resources are fully utilized as much as possible, and some time domain symbols are released for shutdown, so as to achieve the purpose of energy saving of the base station.

[0081] The following further illustrates symbol shutdown through three different schemes.

[0082]

Symbol shutdown scheme 1

[0083] In this solution, PRB utilization history value filtering is used to perform symbol shutdown judgment and calculation.

[0084] First, the PRB utilization is filtered for each slot to obtain the PRB utilization filter value:

[0085] PRB utilization 滤波 (n) = α × PRB utilization rate (n) + (1-α) × PRB utilization rate 滤波 (n-1)

[0086] Among them, α is an adjustment coefficient, 0≤α≤1, PRB utilization 滤波 (n) is the PRB utilization filter value of the nth time slot, PRB utilization (n) is the PRB utilization value of the nth time slot, PRB utilization 滤波 (n-1) is the PRB utilization filter value of the n-1th time slot.

[0087] After the symbol shutdown function is turned on, it is considered that after L slots (L is greater than or equal to 1), the PRB utilization rate 滤波 The value starts to take effect, set the first shutdown threshold ThrShutoff1 (0<ThrShutoff1<1, for example, take 60%), when the PRB utilization rate 滤波 When the value is effective and is less than or equal to the first shutdown threshold ThrShutoff1, the symbol is shut down. At this time, the number of symbol shutdowns can be calculated as

[0088]

[0089] Among them, ShutoffProtect is the symbol shutdown protection interval, 0≤ShutoffProtect<1, such as 10%. The number of PDSCH symbols is N PDSCH, that is, the number of PDSCH symbols turned on in a time slot.

[0090] After calculating the number of symbols to be shut off, the starting position and symbol length of the PDSCH symbol time domain resources in Type A or Type B configurations can be flexibly adjusted based on the base station configuration to achieve the effect of shutting off some symbols. Flexible resource adjustments can be made based on the configuration and combination of Type A and Type B, combined with the configuration of signals such as SSB, CSI-RS, and PDCCH to achieve the desired number of symbols to be shut off. If a PDSCH symbol to be shut off encounters a reference signal such as CSI-RS, TRS, or SSB, the symbol can be left open.

[0091] The specific process can be shown in the following steps:

[0092] Obtain the number of symbols that can be turned off calculated based on the PRB utilization;

[0093] Selecting the time domain symbol resource configuration that best matches the symbol off number based on the time domain resource configuration items corresponding to each RNTI (Radio Network Temporary Identity) scrambling service;

[0094] The final shutdown symbol position is determined based on the configuration of signals such as SSB, TRS, CSI-RS, and PDCCH.

[0095] After obtaining the exact position of the symbol shutdown, the digital baseband unit can notify the radio frequency unit to shut down the radio frequency path at the symbol, thereby achieving the purpose of energy saving.

[0096] After symbol shutdown is completed, PRB utilization 滤波 The value is reset, for example, cleared to zero, that is, the subsequent calculation of PRB utilization 滤波 When the value is set, the previous PRB utilization is no longer used. 滤波 value, restart the calculation of PRB utilization 滤波 value.

[0097] The solution provided in this embodiment uses the PRB utilization filter value to perform symbol off detection, so the PRB utilization is smoother and the judgment is more accurate.

[0098]

Symbol shutdown scheme 2

[0099] In this solution, a monitoring window is used for symbol shutoff judgment and calculation.

[0100] When the symbol shutdown function is turned on, the real-time PRB utilization rate is immediately recorded within the range of the monitoring window. The monitoring window contains N time slots. When the PRB utilization rate in the monitoring window is full (that is, the PRB utilization rate of N time slots is recorded), the average value of the PRB utilization rate in the monitoring window is calculated to be less than or equal to the second shutdown threshold ThrShutoff2 (0 < ThrShutoff2 < 1, such as 60%), or whether there are N1 consecutive real-time PRB utilization rates less than or equal to the third shutdown threshold ThrShutoff3 (0 < ThrShutoff3 < 1, such as 60%) in the monitoring window. If so, the maximum value of the PRB utilization rate of each time slot in the monitoring window is taken to calculate the number of symbol shutdowns:

[0101]

[0102] Where ShutoffProtect is the symbol shutdown protection interval, where 0 ≤ ShutoffProtect < 1, e.g., 10%. After calculating the number of symbols to be shut down, the starting position and symbol length of the PDSCH symbol time domain resources (Type A or Type B) can be flexibly adjusted based on the base station configuration to achieve the effect of shutting down some symbols. Once the precise symbol shutdown position is determined, the digital baseband unit can notify the radio frequency unit to shut down the radio frequency path for that symbol, thereby achieving energy conservation. For details, please refer to Symbol Shutdown Solution 1.

[0103] After the symbol is turned off, the monitoring window is cleared to 0, that is, the PRB utilization value in the monitoring window is cleared.

[0104] It should be noted that, in another embodiment, the average value of the PRB utilization of each time slot in the monitoring window can also be used to calculate the number of symbol shutdowns, that is, the maximum value of the PRB utilization in the window in the above formula is replaced by the average value of the PRB utilization of each time slot in the monitoring window.

[0105]

Symbol Shutdown Scheme 3

[0106] In this solution, the real-time PRB utilization rate is used to determine whether to shut down the symbol and to calculate the number of symbols that can be shut down. That is, the PRB utilization rate of the current time slot is directly used to determine whether to shut down the symbol and to calculate the number of symbols that can be shut down.

[0107] After the symbol shutdown function is turned on, the PRB utilization value is considered to be effective, and the fourth shutdown threshold ThrShutoff4 is set (0<ThrShutoff4<1, such as 60%). When the PRB utilization is effective and is less than or equal to the fourth shutdown threshold ThrShutoff4, symbol shutdown is performed. At this time, the symbol shutdown number can be calculated as:

[0108]

[0109] Where ShutoffProtect is the symbol shutdown protection interval, 0≤ShutoffProtect<1, such as 10%. After calculating the number of symbol shutdowns, the starting position and symbol length of the PDSCH symbol time domain resource under Type A or Type B configuration can be flexibly adjusted according to the base station configuration to achieve the effect of shutting down some symbols.

[0110] After symbol shutdown is completed, the PRB utilization value is reset, for example, cleared to zero.

[0111] After determining the number of symbols that can be shut down, flexible resource adjustments can be made based on the configuration and combination of Type A and Type B, combined with the configuration of signals such as SSB, CSI-RS, and PDCCH, to achieve the desired number of symbols. If a PDSCH symbol to be shut down encounters a reference signal such as CSI-RS, TRS, or SSB, that symbol can be left open. Once the precise location of the symbol to be shut down is determined, the digital baseband unit can notify the radio frequency unit to shut down the radio frequency path for that symbol, thereby achieving energy savings.

[0112] It should be noted that the symbol off protection interval ShutoffProtect in the above embodiments may be different or the same.

[0113] The following uses TypeA as an example to illustrate the implementation of symbol shutdown. TypeB is similar and will not be repeated here.

[0114] Assume that in the case of a normal cyclic prefix, 14 PDSCH symbols are configured in the slot starting from symbol 2, that is, symbols 2 to 13. Symbols 0 and 1 are configured as PDCCH symbols. In this case, the last symbol of the slot (i.e., symbol 13) is configured as a CSI-RS signal. In this case, the configuration strategy is to change only the length of the PDSCH symbol without changing the starting position of the PDSCH symbol. Therefore, in this example, symbol switching can only be performed starting from the end of the slot.

[0115] When the calculated number of symbols that can be turned off is 1, since the last symbol is configured with CSI-RS, it is not turned off at this time.

[0116] When the calculated number of symbols that can be turned off is 3, since the last symbol is configured with CSI-RS, the PDSCH symbol length configuration is changed to 11, and symbols 11 and 12 can be turned off. Symbol 13 is not turned off because of the presence of CSI-RS.

[0117] like Figure 5 The figure shows the implementation flow chart of symbol opening, including:

[0118] Step 501, the symbol opening function is turned on;

[0119] It should be noted that the symbol-on function can also be pre-configured without having to be turned on.

[0120] Step 502, monitor the symbol opening condition;

[0121] The symbol activation conditions may refer to the aforementioned embodiments, for example, whether the physical resource block utilization filter value of the current time slot is within the preset activation threshold range; or, whether the physical resource block utilization of at least a preset number of time slots in the current monitoring window is within the preset activation threshold range; or, whether the physical resource block utilization of the current time slot is within the preset activation threshold range.

[0122] Step 503: When the symbol enabling condition is met, the number of symbols to be enabled is obtained;

[0123] The number of enabled symbols is determined with reference to the above embodiment. Specifically, the number of enabled symbols is determined according to the number of enabled symbols corresponding to the satisfied preset enable threshold range.

[0124] Step 504, obtaining the position of the symbol to be opened;

[0125] Specifically, the start symbol position is determined according to the current time domain symbol resource configuration and the number of start symbols.

[0126] Step 505: Notify the radio frequency unit to start the symbol, that is, to start the radio frequency path corresponding to the symbol to be turned on.

[0127] When the symbol shutdown function is turned on, the symbol enable function is correspondingly enabled. Similar to the symbol shutdown function, the symbol enable judgment can be made using the PRB utilization history value filtering, monitoring window, or real-time PRB utilization corresponding to options 1, 2, and 3.

[0128] In the following embodiment, two opening thresholds are set: the first opening threshold ThrOpen1 and the second opening threshold ThrOpen2, which correspond to different numbers of opening symbols respectively (wherein, ThrOpen1 corresponds to opening all symbols, ThrOpen2 corresponds to the minimum number of opening symbols, and ThrOpen1 is greater than ThrOpen2). It should be noted that in addition to ThrOpen1 and ThrOpen2, more thresholds can also be set to match different granularities of the number of opening symbols.

[0129]

Symbol opening scheme 1

[0130] In this solution, the PRB utilization history value filtering is used to determine the symbol start.

[0131] Obtain the PRB utilization filter value. The calculation of the PRB utilization filter value is the same as described in [Symbol Shutdown Solution 1] and is not repeated here.

[0132] When PRB utilization 滤波 When the value is greater than or equal to the threshold ThrOpen1, all symbols that can be opened are opened. 滤波 When the value is greater than or equal to the threshold ThrOpen2 and less than the threshold ThrOpen1, the set minimum number of open symbols is turned on.

[0133] Or, after the symbol shutdown function is turned on, it is considered that after L slots (L is greater than or equal to 1), the PRB utilization 滤波 The value starts to take effect when the PRB utilization 滤波 When the value is effective and is greater than or equal to the threshold ThrOpen1, all symbols that can be opened are opened. 滤波 When the value is effective and is greater than or equal to the threshold ThrOpen2 and less than the threshold ThrOpen1, the set minimum number of open symbols is enabled.

[0134]

Symbol activation scheme 2

[0135] In this solution, a monitoring window is used to determine whether the symbol is turned on.

[0136] Real-time PRB utilization is recorded within the monitoring window, which consists of N time slots. When the PRB utilization within the window is full (i.e., the PRB utilization of N time slots is recorded), if the PRB utilization of at least M1 time slots within the monitoring window is greater than or equal to the threshold ThrOpen1, all openable PDSCH symbols are opened. If the PRB utilization of at least M2 time slots within the monitoring window is greater than or equal to the threshold ThrOpen2 and less than the threshold ThrOpen1, the set minimum number of open symbols is opened. Where M1 is less than or equal to N, and M2 is less than or equal to N.

[0137] The sizes of the monitoring windows for symbol on and symbol off may be the same or different.

[0138]

Symbol activation plan 3

[0139] In this solution, real-time PRB utilization is used to determine symbol on-time. This means the PRB utilization of the current time slot is used directly to determine symbol on-time. The real-time PRB utilization is the same as described in [Symbol Off Solution 3] and will not be repeated here.

[0140] When the real-time PRB utilization is greater than or equal to the threshold ThrOpen1, all openable symbols are opened. When the real-time PRB utilization is greater than or equal to the threshold ThrOpen2 and less than the threshold ThrOpen1, the set minimum number of open symbols is opened.

[0141] After obtaining the number of symbols that need to be turned on, the required number of symbols can be flexibly turned on based on the original symbols being turned off according to the configuration method and configuration combination of TypeA and TypeB.

[0142] It should be noted that ThrOpen1 and ThrOpen2 in different solutions may be different or the same.

[0143] The following uses TypeA as an example to illustrate the implementation of symbol opening. TypeB is similar and will not be repeated here.

[0144] Assume that, in the case of a normal cyclic prefix, after several symbol-off cycles, nine PDSCH symbols (symbols 0 to 8) are configured in the slot starting from symbol 0. The CSI-RS reference signal is configured at the last symbol of the slot (symbol 13), and this symbol remains enabled. Assume that the configuration strategy is to maintain the starting position of the PDSCH symbol and only change the length of the PDSCH symbol. In this embodiment, the minimum number of enabled symbols is set to 2.

[0145] If all symbol-enabling conditions are met according to the symbol-enabling conditions at this time, all PDSCH symbols are enabled, that is, the starting position of the PDSCH symbol is still configured as 0 and the symbol length is configured as 14.

[0146] If the minimum number of enabled symbols is met according to the symbol enable conditions, the minimum number of enabled PDSCH symbols is enabled, which is 2 in this case. At this time, the PDSCH symbol start position is still configured as 0, and the symbol length can be configured as 11 (previously 9 PDSCH symbols were configured, and 2 more are enabled), that is, symbols 0 to 10. Therefore, symbols 11 and 12 can remain in the symbol-off state, while symbol 13 always remains in the symbol-on state due to the presence of the CSI-RS signal.

[0147] When a symbol is turned on, the digital baseband unit may notify the radio frequency unit to turn on the radio frequency path on the symbol, thereby resuming data transmission on the symbol.

[0148] like Figure 6 As shown, an embodiment of the present invention provides a control device 60, including a memory 610 and a processor 620, wherein the memory 610 stores a program, and when the program is read and executed by the processor 620, the control method described in any embodiment is implemented.

[0149] like Figure 7 As shown, an embodiment of the present invention provides a computer-readable storage medium 70, wherein the computer-readable storage medium 70 stores one or more programs 710, and the one or more programs 710 can be executed by one or more processors to implement the control method described in any embodiment.

[0150] It will be appreciated by those skilled in the art that all or some of the steps, systems, and functional modules / units in the methods disclosed above may be implemented as software, firmware, hardware, and appropriate combinations thereof. In hardware implementations, the division between the functional modules / units mentioned in the above description does not necessarily correspond to the division of physical components; for example, a physical component may have multiple functions, or a function or step may be performed by several physical components in cooperation. Some or all components may be implemented as software executed by a processor, such as a digital signal processor or a microprocessor, or implemented as hardware, or implemented as an integrated circuit, such as an application-specific integrated circuit. Such software may be distributed on a computer-readable medium, which may include a computer storage medium (or non-transitory medium) and a communication medium (or temporary medium). As is well known to those skilled in the art, the term computer storage medium includes volatile and non-volatile, removable, and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data). Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store the desired information and can be accessed by a computer. In addition, it is well known to those skilled in the art that communication media generally embodies computer-readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media.

Claims

1. A control method, comprising: Get resource utilization information; In response to a symbol state adjustment condition being met, determining a symbol adjustment quantity according to the resource utilization information, and adjusting a time-domain symbol resource configuration according to the symbol adjustment quantity; The step of adjusting the time domain symbol resource configuration according to the symbol adjustment quantity includes the following steps: Determining a configuration of a reference signal and a time-domain resource configuration of a PDSCH symbol that matches the symbol adjustment quantity; Determine a shutdown symbol position according to the PDSCH symbol time domain resource configuration and the reference signal configuration; Symbols are turned off according to the turn-off symbol position, wherein, among the symbols corresponding to the turn-off symbol position, the turned-off symbols are not configured with the reference signal.

2. The control method according to claim 1, characterized in that: The resource utilization information includes: physical resource block utilization of the time slot, wherein: the physical resource block utilization of any time slot is the ratio of the physical resource blocks scheduled in the time slot to the physical resource blocks available in the time slot.

3. The control method according to claim 2, characterized in that: The symbol state adjustment condition is satisfied, including: The physical resource block utilization filter value of the current time slot is less than or equal to the first shutdown threshold; wherein the physical resource block utilization filter value of the current time slot is obtained by the physical resource block utilization of the time slot and the physical resource block utilization filter value of the time slot before the time slot; Alternatively, the average physical resource block utilization rate of each time slot in the current monitoring window is less than or equal to the second shutdown threshold; Alternatively, the physical resource block utilization rate of N1 consecutive time slots in the current monitoring window is less than or equal to the third shutdown threshold; the N1 is greater than or equal to 1 and less than or equal to the number of time slots included in the monitoring window; Alternatively, the physical resource block utilization rate of the current time slot is less than or equal to the fourth shutdown threshold.

4. The control method according to claim 3, characterized in that: The physical resource block utilization filter value of the current time slot is less than or equal to the first shutdown threshold, including: the physical resource block utilization filter value of the current time slot is effective and less than or equal to the first shutdown threshold, wherein the PRB utilization filter value begins to take effect after L time slots have passed since the symbol shutdown function was turned on, and L is greater than or equal to 1.

5. The control method according to claim 1, characterized in that: Determining the symbol adjustment quantity according to the resource utilization information includes: The symbol adjustment amount is the symbol off number, and: The sign adjustment quantity in, is the physical resource block utilization filter value of the current time slot, or the maximum physical resource block utilization in the current monitoring window, or the physical resource block utilization of the current time slot, is the symbol off protection interval, and 0≤ <1, The number of PDSCH symbols turned on in a time slot.

6. The control method according to claim 1, characterized in that: After determining the shutdown symbol position according to the PDSCH symbol time domain resource configuration and the reference signal configuration, the method further includes: The corresponding radio frequency path is shut down according to the position of the shutdown symbol.

7. The control method according to claim 2, characterized in that: The symbol state adjustment condition is satisfied, including: A physical resource block utilization filter value of a current time slot is within a preset activation threshold range; wherein the physical resource block utilization filter value of the current time slot is obtained by the physical resource block utilization of the time slot and the physical resource block utilization filter value of the time slot before the time slot; Alternatively, the utilization rate of the physical resource blocks of at least a preset number of time slots in the current monitoring window is within a preset activation threshold range; Alternatively, the physical resource block utilization rate of the current time slot is within a preset activation threshold range.

8. The control method according to claim 7, characterized in that: The determining the symbol adjustment quantity according to the resource utilization information, and adjusting the time domain symbol resource configuration according to the symbol adjustment quantity, includes: The symbol-on number is determined according to the symbol adjustment number corresponding to the preset on threshold range in the currently satisfied symbol state adjustment condition, and the time domain symbol resource configuration is adjusted according to the symbol-on number.

9. The control method according to claim 8, characterized in that: The symbol adjustment quantity corresponding to the preset opening threshold range includes: When it is greater than or equal to the first opening threshold, all symbols are opened; When the value is greater than or equal to the second enable threshold and less than the first enable threshold, the minimum enable symbol number is enabled.

10. A control device, characterized in that: The method comprises a memory and a processor, wherein the memory stores a program, and when the program is read and executed by the processor, the control method according to any one of claims 1 to 9 is implemented.

11. A computer-readable storage medium, characterized in that The computer-readable storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement the control method according to any one of claims 1 to 9.

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