Power supply control method and power supply control equipment

Abstract

The embodiment of the invention discloses a power supply control method and power supply control equipment, and the method comprises the steps: controlling all power supply ports of a radio frequency expansion unit to be sequentially opened if it is determined that the radio frequency expansion unit of an expansion type pico-base station meets a power supply triggering condition, the power supply port is used for supplying power to the far-end radio frequency unit of the corresponding extended pico-base station; wherein each power supply port corresponds to one far-end radio frequency unit, the opening time interval of each power supply port is greater than the duration of the surge current of each far-end radio frequency unit, and the current tolerance value of the radio frequency expansion unit is greater than or equal to the surge current of each far-end radio frequency unit.

Description

Technical Field

[0001] The present application relates to the technical field of power supply control, and in particular to a power supply control method and a power supply control device. Background Art

[0002] The expandable pico base station includes a remote radio unit (RHUB) and a radio hub (RRU). The RHUB is responsible for powering the RRU. When the RHUB is powered on, it will power all the RRUs hanging under it at the same time. When there are many RRUs hanging under the RHUB, when all the RRUs are powered on at the same time, there may be multiple surge currents superimposed on the RHUB side at the same time, causing the current to be too large and the equipment to be instantly overloaded, resulting in a reduction in the service life of the RHUB or breakdown damage. Summary of the invention

[0003] The technical solution of this application is implemented as follows:

[0004] The present application provides a power supply control method, the method comprising:

[0005] If it is determined that the RF extension unit of the extended pico base station meets the power supply triggering condition, control each power supply port of the RF extension unit to be opened in sequence, so as to power the corresponding remote RF unit of the extended pico base station through the power supply port;

[0006] Among them, each power supply port corresponds to a remote radio frequency unit, the opening time interval of each power supply port is greater than the duration of the surge current of each remote radio frequency unit, and the current tolerance value of the radio frequency extension unit is greater than or equal to the surge current of each remote radio frequency unit.

[0007] The present application provides a power supply control device, including:

[0008] A control unit, which establishes a communication connection with the RF extension unit of the extended pico base station, and is used to control each power supply port of the RF extension unit to be opened in sequence if it is determined that the RF extension unit meets the power supply trigger condition, so as to power the corresponding remote RF unit of the extended pico base station through the power supply port;

[0009] Among them, each power supply port corresponds to a remote radio frequency unit, the opening time interval of each power supply port is greater than the duration of the surge current of each remote radio frequency unit, and the current tolerance value of the radio frequency extension unit is greater than or equal to the surge current of each remote radio frequency unit.

[0010] An embodiment of the present application provides a computer-readable storage medium, in which computer-executable instructions are stored. The computer-executable instructions are configured to execute the steps of the above-mentioned power supply control method. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A schematic diagram of a surge current generated by an RRU provided in the related art;

[0012] Figure 2 A schematic diagram of a flow chart of a power supply control method provided in an embodiment of the present application;

[0013] Figure 3 A schematic diagram of the connection status of a baseband unit, an extension unit and a remote unit provided in an embodiment of the present application;

[0014] Figure 4 A schematic flow chart of a method for an extended unit of an extended pico base station to supply power to a remote unit provided in an embodiment of the present application;

[0015] Figure 5 A schematic diagram of the composition structure of a power supply control device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0017] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described below in conjunction with the accompanying drawings. The described embodiments should not be regarded as limiting the present application. All other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of this application.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein are only for the purpose of describing the embodiments of this application and are not intended to limit this application.

[0019] In the following description, reference is made to “some embodiments\other embodiments”, which describe a subset of all possible embodiments, but it can be understood that “some embodiments\other embodiments” may be the same subset or different subsets of all possible embodiments and may be combined with each other without conflict.

[0020] In the following description, the terms "first\second\third\fourth" involved are merely used to distinguish similar objects and do not represent a specific ordering of the objects. It can be understood that "first\second\third\fourth" can be interchanged in a specific order or sequence where permitted, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0021] like Figure 1 As shown in the figure, when one RRU is connected to the RHUB, the surge current reaches 20 amperes (A) and lasts for 30 microseconds (us). When four RRUs are connected to the RHUB, the surge current of the four RRUs is superimposed when they are powered on, reaching 80A, far exceeding the RHUB's tolerance current of 40A. The traditional solution does not make any provisions for RRU power supply on the RHUB side. It only considers the operation of the RHUB equipment itself, increases the corresponding equipment tolerance, modifies the corresponding circuit design, and protects the safety of the RHUB equipment itself during the power-on process. When multiple RRUs are powered on at the same time and abnormal surge currents are superimposed, the RHUB equipment may still be damaged.

[0022] Based on the problems existing in the related art, the embodiment of the present application provides a power supply control method, such as Figure 2 FIG. 1 is a flow chart of a power supply control method provided in an embodiment of the present application, and the method comprises the following steps:

[0023] S101. If it is determined that the RF extension unit of the extended pico base station meets the power supply triggering condition, control each power supply port of the RF extension unit to be opened in sequence, so as to power the remote RF unit of the corresponding extended pico base station through the power supply port.

[0024] It should be noted that the power supply trigger condition may be a start-up condition for indicating that the RRU attached to the RHUB needs to be powered on. For example, the power supply trigger condition may be that the RHUB is started and one or more RRUs have been connected to the power supply port of the RHUB; or the RHUB may receive a power supply instruction for the RRU sent by the baseband processing unit (Building Base band Unite, BBU).

[0025] In some embodiments, each power supply port of the RHUB corresponds to a remote radio unit, that is, the RHUB can supply power to the RRU connected thereto through each power supply port. The RHUB can control each power supply port to be turned on in sequence, or the RHUB's own control module can control each power supply port to be turned on in sequence, or other control devices connected to the RHUB can control each power supply port to be turned on in sequence.

[0026] In some embodiments, the opening time interval of each power supply port is greater than the duration of the surge current of each RRU. The surge current of the RRU may be a large current generated at the moment the RRU is powered on. The opening time interval of each power supply port may be 1.5 times, 2 times, 5 times, 10 times, etc., of the duration of the surge current of the corresponding RRU. The relationship between the opening time interval of each power supply port and the duration of the surge current of each RRU is merely an exemplary description and is not limited in this application.

[0027] In some embodiments, the duration of the surge current of each RRU can be obtained in advance, the opening time of different power supply ports may be the same or different, and the duration of the surge current of each RRU may be the same or different. Therefore, before powering the current RRU, it is necessary to first determine the duration of the surge current of the current RRU, and determine the power supply duration of the current RRU based on the duration. For example, if the surge current duration of the RRU is 30us, the corresponding power supply duration of the RRU may be 100us, 300us, etc.

[0028] In some embodiments, the current tolerance value of the RHUB is greater than or equal to the surge current of each RRU. The current tolerance value may be the maximum current value that the power protection module of the RHUB can withstand, and the current tolerance values ​​of different RHUBs may be the same or different. The surge currents of different RRUs may be different or the same. When the surge currents of the RRUs are the same, the current tolerance value of the RHUB is greater than the surge current of any RRU; when the surge currents of the RRUs have one or more different surge currents, the current tolerance value of the RHUB may be greater than the maximum value of the surge currents of the RRUs.

[0029] In some embodiments, before using RHUB to power the RRU, a device that satisfies the requirement that the current tolerance value of RHUB is greater than or equal to the surge current of RRU can be selected. Alternatively, if the requirement that the current tolerance value of RHUB is greater than or equal to the surge current of RRU cannot be met, the power protection module of RHUB can be modified to increase the current tolerance value of RHUB, and / or the circuit design of RRU can be modified to reduce the surge current of RRU.

[0030] In an embodiment of the present application, if it is determined that the RF extension unit of the extended pico base station meets the power supply triggering condition, the various power supply ports of the RF extension unit are controlled to be turned on in sequence, so as to power the remote RF units of the corresponding extended pico base station through the power supply ports; wherein each power supply port corresponds to a remote RF unit. Since the opening time interval of each power supply port of the RF extension unit is greater than the duration of the surge current of each remote RF unit, the surge current generated at the moment of powering on of each remote RF unit will not be superimposed. Furthermore, since the current tolerance value of the RF extension unit is greater than or equal to the surge current of each remote RF unit, the surge current generated at the moment of powering on of each remote RF unit will not affect the life of the RF extension unit or cause damage to the RF extension unit, thereby improving the safety and stability of the RF extension unit in the process of powering the remote RF unit.

[0031] In some embodiments of the present application, the RF extension unit of the extended pico base station satisfies the power supply trigger condition that, after the RF extension unit is turned on, all power supply ports of the RF extension unit are in a closed state.

[0032] In some embodiments, the RHUB being turned on may be powered on or restarted. The RHUB's power supply ports being in a closed state may be that none of the power supply ports are powered on or none of the power supply ports are activated. In addition, the RHUB meeting the power supply trigger condition may also include one or more power supply ports of the RHUB being connected to an RRU.

[0033] It can be understood that after the RF extension unit is turned on, if all power supply ports of the RF extension unit are in a closed state, it can be determined that the RF extension unit is currently in a safe state, avoiding abnormal events such as leakage of the equipment when the RF extension unit initially supplies power to the remote RF unit, thereby ensuring the safety of the RF extension unit and the remote RF unit.

[0034] In other embodiments, the RF extension unit of the extended pico base station may satisfy the power supply trigger condition or the information of the remote RF unit corresponding to the RF extension unit may change, indicating that there is a newly added remote RF unit to be powered in the RF extension unit.

[0035] In some embodiments, the information of the RRU corresponding to the RHUB may be the topology information of the RRUs attached to the RHUB, and the topology information includes identification information, logical positions, etc. of each RRU. Accordingly, the change in the information of the RRU corresponding to the RHUB may include newly added RRU identification information and / or RRU logical positions. When it is determined that the topology information of the RRUs attached to the RHUB has newly added RRU identification information or newly added RRU logical positions, it can be determined that the RHUB has newly added RRUs.

[0036] In some embodiments, the information of the RRU corresponding to the RHUB may be sent from the BBU to the RHUB, or may be pre-stored in the storage area of ​​the RHUB by a technician. The RHUB may receive the topology change information sent from the BBU, or may automatically update the topology information in the storage area when a newly connected RRU is detected, or may update the topology information originally stored in its own storage area with the new topology information input by the technician.

[0037] It can be understood that when the information of the remote RF unit corresponding to the RF extension unit changes, indicating that there is a newly added remote RF unit to be powered in the RF extension unit, confirming that the RF extension unit meets the power supply triggering conditions can ensure that the RF extension unit responds to the power supply needs of the newly added remote RF unit to be powered in a timely manner.

[0038] In some embodiments of the present application, "controlling each power supply port of the RF extension unit to be turned on in sequence" in step S101 can be implemented by the following steps S201 to S202, and each step is described below.

[0039] S201. Obtain status information of an operation, maintenance and management link between a baseband unit and a radio frequency extension unit of an extended pico base station.

[0040] In some embodiments, the Operation Administration and Maintenance (OMA) link between the BBU and the RHUB may be a communication link for the BBU to issue control instructions to the RHUB. The state information of the OMA link may include an open state, a closed state, or an activated state, an inactivated state, and the like.

[0041] In some embodiments, the RHUB may actively obtain the status information of the OMA link, for example, it may monitor the status of the communication connection interface between the OMA link and the RHUB. If the communication connection interface is in a connected state, it may be determined that the status information of the OMA link is open or activated; otherwise, it may be determined that the status information of the OMA link is closed or inactivated.

[0042] S202: Based on the status information of the operation and maintenance management link, control each power supply port of the radio frequency extension unit to be turned on in sequence.

[0043] In some embodiments, the power supply mode of the RHUB for the RRU can be determined based on the status information of the OMA link, and the various power supply states of the RHUB can be controlled to be turned on in sequence based on different power supply modes, wherein the power supply mode can include a power supply mode controlled by the BBU and a power supply mode controlled by the RHUB itself. In the case where the power supply mode is determined to be controlled by the BBU, power can be supplied through the topology information of the RRU under the RHUB sent by the BBU, and the various power supply ports of the RHUB can be controlled to be turned on in sequence; in the case where the power supply mode is determined to be controlled by the RHUB itself, the various power supply ports of the RHUB can be controlled to be turned on in sequence through the connection sequence of the BBU connected to the RHUB.

[0044] In some embodiments, if the OMA status information is determined to be turned on or activated, the BBU can be used to control the power supply ports of the RHUB to be turned on in sequence; if the OMA status information is determined to be turned off or inactivated, the RHUB itself can be used to control the power supply ports of the RHUB to be turned on in sequence.

[0045] It can be understood that by controlling the power supply ports of the RF extension unit to be opened in sequence according to the status information of the operation, maintenance and management link between the baseband unit and the RF extension unit, the power supply control efficiency of the RF extension unit can be improved, while also realizing flexible power supply control of the RF extension unit.

[0046] In some embodiments of the present application, based on the status information of the operation and maintenance management link, each power supply port of the RF extension unit is controlled to be turned on in sequence, that is, the above step S202 can be implemented by the following steps S2021A to S2023A, and each step is described below.

[0047] S2021A: If the operation and maintenance management link is in a normal state, obtain the power supply configuration information sent by the baseband unit.

[0048] In some embodiments, OMA is in a normal state, which means that OMA is in an open or activated state, and the power supply configuration information sent by the BBU may include the topology information of the RRUs hung under the RHUB. The topology information may include the number of RRUs and identification information of the RRUs. The identification information may be a name, a physical address, an Internet Protocol (IP) address, etc.

[0049] In some embodiments, the RHUB may send a power supply configuration information acquisition request to the BBU via an OMA link, so that the BBU sends the power supply configuration information to the RHUB based on the power supply configuration information acquisition request. Alternatively, the BBU may actively send the power supply configuration information to the RHUB via an OMA link.

[0050] S2022A: Based on the power supply configuration information, determine the first power supply ports corresponding to the remote radio frequency units to be powered by the radio frequency extension unit, and a first opening sequence of the first power supply ports.

[0051] In some embodiments, the power supply configuration information may include a preset correspondence between the identifiers of each RRU hung under the RHUB and the identifiers of the corresponding power supply ports. Therefore, after obtaining the power supply configuration information, the identifier of the RRU in the preset correspondence and the identifier of the RRU connected to itself can be matched to determine the identifier of the power supply port corresponding to each RRU connected to itself, and determine each first power supply port according to the identifier of the power supply port.

[0052] In some embodiments, the first power supply port may be part of the power supply ports or all of the power supply ports in the RHUB, and the power supply configuration information may also include the activation order of all the power supply ports in the RHUB. Therefore, after determining the first power supply port corresponding to each RRU, the activation order of each first power supply port can be determined according to the activation order of all the power supply ports in the RHUB.

[0053] S2023A: Based on the first opening sequence, control each first power supply port to be opened in sequence, so as to supply power to the corresponding remote radio frequency unit through the first power supply port.

[0054] In some embodiments, each first power supply port may be powered on in sequence according to a first start-up sequence, so that the RRU is powered through each first power supply port. In the process of controlling the start-up of each first power supply port, it is necessary to ensure that the start-up time interval of each first power supply port is greater than or equal to the duration of the surge current of each RRU.

[0055] In some embodiments, after determining the first power supply ports corresponding to each RRU of the RHUB and the first activation sequence of each first power supply port, a confirmation message can be sent to the BBU. After receiving the confirmation message, the BBU can control the activation of each first power supply port in sequence according to the first activation sequence. For example, the BBU sends instructions for instructing the activation of the first power supply port to the RHUB in sequence, thereby realizing the control of the activation status of each first power supply port of the RHUB.

[0056] It can be understood that, based on the power supply configuration information sent by the baseband unit, the first power supply port corresponding to each remote RF unit to be powered by the RF extension unit and the first start-up sequence of each first power supply port are controlled to be turned on in sequence, and the baseband unit can control the power supply status of the RF extension unit.

[0057] In some embodiments of the present application, the configuration information includes first reference identification information of each RF extension unit and second reference identification information of a power supply port for powering a remote RF unit; in the process of determining the first power supply port corresponding to each remote RF unit to be powered by the RF extension unit based on the power supply configuration information, if it is determined that there is first identification information matching the RF extension unit in the first reference identification information, the second identification information of the power supply port corresponding to the remote RF unit can be determined from the second reference identification information based on the first identification information; and each first power supply port is determined based on the second identification information.

[0058] It should be noted that the configuration information may include topology information of RRUs attached to multiple RHUBs, the first reference identification information may be the name, IP address, etc. of each RHUB, and the second reference identification information may be the name, port number, etc. of each power supply port of the RHUB. Since the RHUB includes at least one power supply port, one first reference identification information may correspond to one or more second reference identification information.

[0059] In some embodiments, each first reference identification information in the configuration information can be compared one by one with the identification information of the current RHUB. When it is determined that the first identification information that is the same as the current RHUB exists in each first reference identification information, each second reference identification information corresponding to the first identification information can be determined as the second identification information of the power supply port corresponding to the current RHUB.

[0060] In some embodiments, one second identification information can uniquely identify a power supply port of a RHUB, and the second identification information may include one or more. When the second identification information is one, the second identification information can be matched with the identification information of each power supply port of the current RHUB to determine the first power supply port corresponding to the second identification information; when the second identification information is multiple, each second identification information can be matched with the identification information of each power supply port of the current RHUB to determine the first power supply port corresponding to each second identification information.

[0061] It can be understood that by matching the identification information of the RF extension unit with the first reference identification information of the RF extension unit defined in the configuration information, the second identification information of the power supply port of the RF extension unit is determined, so that the first power supply port that needs to be turned on can be quickly determined based on the second identification information.

[0062] In some embodiments of the present application, the configuration information includes information of each remote RF unit corresponding to each RF extension unit; if it is determined that the information of the remote RF unit corresponding to a specific RF extension unit has changed, the newly added remote RF unit to be powered corresponding to the specific RF extension unit and the second power supply port corresponding to each newly added remote RF unit to be powered are determined; and each second power supply port is controlled to be opened in sequence to power the corresponding newly added remote RF unit to be powered through the second power supply port.

[0063] It should be noted that the information of each remote radio unit corresponding to the radio extension unit may include the number, identification, logical location, etc. of each RRU corresponding to the radio extension unit. The specific radio unit may be any RHUB that establishes a communication connection with the BBU.

[0064] In some embodiments, when a specific RHUB determines that the information of the remote radio unit corresponding to itself has changed, such as when the BBU sends new configuration information or the RHUB actively obtains new configuration information, the newly added RRU to be powered corresponding to the specific RHUB and the second power supply port corresponding to each newly added remote radio unit to be powered can be determined from the new configuration information. The second power supply port can be one or more power supply ports of the specific RHUB, and the second power supply port is different from the first power supply port.

[0065] In some embodiments, the second power supply port may be in a closed or inactive state. After determining the second power supply port corresponding to the newly added RRU to be powered, the BBU or the specific RHUB itself can control each second power supply port to be turned on in sequence. The opening order of each second power supply port can be determined by the RHUB itself, or if defined in the new configuration information, the second power supply ports can be controlled to be turned on in sequence based on the opening order determined in the new configuration information.

[0066] In some embodiments, the opening time interval of each second power supply port is greater than the duration of the surge current of each newly added remote RF unit to be powered, and the current tolerance value of the RF extension unit is greater than or equal to the surge current of each newly added remote RF unit to be powered.

[0067] It can be understood that, when determining the information sending changes of the corresponding remote RF unit, determining the newly added remote RF unit to be powered and the second power supply port corresponding to the newly added remote RF unit to be powered corresponding to the specific RF extension unit, and controlling each second power supply port to be opened in sequence, timely power supply to the newly added remote RF unit to be powered can be achieved; further, by controlling the opening time interval of each second power supply port to be greater than the duration of the surge current of each newly added remote RF unit to be powered, the surge current of each newly added remote RF unit to be powered will not be superimposed, and when the current tolerance value of the RF extension unit is greater than or equal to the surge current of each newly added remote RF unit to be powered, powering the newly added remote RF unit to be powered will not cause damage to the specific RF extension unit.

[0068] In some embodiments of the present application, after a preset time period after a specific RF power supply unit supplies power to each remote RF unit, the remote RF unit corresponding to the specific RF extension unit that no longer needs to be powered and the third power supply ports corresponding to each remote RF unit that no longer needs to be powered can be determined; and each third power supply port is controlled to be closed in sequence to stop supplying power to the remote RF units that no longer need to be powered.

[0069] In some embodiments, the RRU that no longer needs power supply may be an RRU that has completed the power supply process, for example, the RRU actively sends information to a specific RHUB that no longer needs power supply, or the power supply duration of the RRU reaches the power supply duration defined in the configuration information.

[0070] In other embodiments, the RRU that no longer needs to be powered may also be an RRU that has not completed the power supply process, but has received a power supply suspension instruction sent by the BBU indicating that the power supply needs to be stopped. For example, when a specific RHUB is powering the RRU, the BBU detects that the power of the specific RHUB is insufficient or the power supply port has an abnormality, and then it can send a power supply suspension instruction to the specific RHUB to instruct it to shut down the relevant power supply port.

[0071] In other embodiments, the RRU that no longer needs to be powered may also be an RRU that has not completed the power supply process but has actively disconnected from the specific RHUB. For example, when the specific RHUB is powering the reference RRU, the reference RRU sends a power supply suspension message to the specific RHUB to indicate that the connection with the power supply port of the specific RHUB needs to be disconnected.

[0072] In some embodiments, the third power supply port may be a power supply port that is currently turned on or activated, and the third power supply port may be all power supply ports of a specific RHUB, or may be part of the power supply ports of a specific RHUB. After determining each third power supply port, the specific RHUB may determine the closing order of each third power supply port according to the power supply sequence of each RRU that no longer needs to be powered; or determine the closing order of each third power supply port according to the arrival sequence of power supply suspension instructions sent by the BBU to each RRU that no longer needs to be powered; or determine the closing order of each third power supply port according to the arrival sequence of power suspension messages sent by each RRU that no longer needs to be powered.

[0073] In some embodiments, since at the moment when the third power supply port is closed, the RRU connected to the specific RHUB that no longer needs power supply will generate a surge current, in the process of controlling each third power supply port to be closed in sequence, the closing time interval of each third power supply port can be controlled to be greater than the duration of the surge current of each remote radio frequency unit that no longer needs power supply.

[0074] In some embodiments, each third power supply port may be controlled to be closed in sequence by a power supply suspension instruction issued by a BBU, or by a control module of a specific RHUB itself, or by other control devices connected to the specific RHUB.

[0075] It can be understood that when it is determined that a remote RF unit that no longer needs power is present in a specific RF extension unit, by controlling the third power supply ports corresponding to each remote RF unit that no longer needs power to be closed in sequence, and ensuring that the closing time interval of each third power supply port is greater than the duration of the surge current of each remote RF unit that no longer needs power, the surge current generated by each RRU that no longer needs power is superimposed, resulting in an overload of the specific RHUB.

[0076] In some embodiments of the present application, based on the status information of the operation and maintenance management link, each power supply port of the RF extension unit is controlled to be turned on in sequence, that is, the above step S202 can also be implemented by the following steps S2021B to S2023B. Each step is described below.

[0077] S2021B: If the operation and maintenance management link is in an abnormal state, determine a plurality of fourth power supply ports of the radio frequency extension unit that are in a connected state.

[0078] In some embodiments, if it is determined that the OMA link is in an abnormal or abnormal state, for example, the RHUB cannot receive the information sent by the BBU via the OMA link, or the BBU cannot receive the information sent by the RHUB via the OMA link, it means that the BBU and the RHUB cannot communicate normally through the OMA link. In this case, the BBU cannot control the opening state of each power supply port of the RHUB, but the opening state of each power supply port can be controlled by the RHUB itself.

[0079] In some embodiments, when it is determined that the RHUB meets the power supply trigger condition, but the OMA link is in an abnormal or abnormal state, the RHUB can detect the connection status of each of its own power supply ports and determine the power supply port that is connected to the RRU as the fourth power supply port, and the fourth power supply port may include one or more.

[0080] S2022B, determining a second activation sequence of each fourth power supply port.

[0081] In some embodiments, the RHUB itself can freely define the second activation sequence of each fourth power port. For example, the second activation sequence can be determined according to the order of the values ​​corresponding to the port numbers of each fourth power port, or according to the continuity of the IP addresses of each fourth power port. The manner in which the RHUB determines the second activation sequence of each fourth power port is merely an exemplary description, and this application does not limit this.

[0082] S2023B: Based on the second opening sequence, control each fourth power supply port to be opened in sequence, so as to supply power to the corresponding remote radio frequency unit through the fourth power supply port.

[0083] In some embodiments, in the process of controlling each fourth power supply port to be turned on in sequence, it is necessary to control the turn-on time interval of each fourth power supply port to be greater than the duration of the surge current of each remote radio frequency unit, thereby ensuring that the surge current of each remote radio frequency unit will not be superimposed, thereby avoiding damage to the RHUB.

[0084] It can be understood that when the operation and maintenance management link is in an abnormal state, by determining that multiple fourth power supply ports of the RF extension unit are in a connected state, and the second activation sequence of each fourth power supply port, each fourth power supply port is controlled to be activated in sequence based on the second activation sequence, thereby avoiding the situation where the remote RF unit cannot be powered due to an abnormal operation and maintenance management link, and improving the flexibility and stability of the RF extension unit.

[0085] In some embodiments of the present application, a method for determining the second activation order of each fourth power supply port may include obtaining the order in which the remote radio frequency units corresponding to each fourth power supply port access the radio frequency extension unit, and determining the second activation order based on the order.

[0086] In some embodiments, the RHUB can record and save the time when each RRU accesses the power supply port in real time. After determining the fourth power supply ports that need to be powered, it can determine the order of access of the RRUs corresponding to the fourth power supply ports based on the stored time when each RRU accesses the power supply port, and determine the order as the second activation order of each fourth power supply port.

[0087] In some other embodiments, the method of determining the second activation sequence of each fourth power supply port may further include obtaining a preset activation sequence of the power supply ports of the RF extension unit, and determining the second activation sequence based on the preset activation sequence.

[0088] It should be noted that the preset activation sequence may be a preset activation sequence of all power supply ports of the RHUB, and the preset activation sequence may be set by a technician during the development of the RHUB and saved in the RHUB, or may be input into the RHUB by a user through a configuration channel during the use of the RHUB.

[0089] In some embodiments, when the fourth power supply port is all the power supply ports of the RHUB, the preset opening order can be directly used as the second opening order of each fourth power supply port; when the fourth power supply port is a partial power supply port of the RHUB, the opening order of each fourth power supply port can be sorted according to the preset opening order to obtain the second opening order.

[0090] Exemplarily, if the RHUB includes six power ports ABCDEF, the preset activation order of the six power ports is A, E, C, B, D, F from front to back, and the fourth power port only includes B, E and F, then the second activation order is E, B, F from front to back.

[0091] It can be understood that the second activation sequence of each fourth power supply port is determined according to the order in which the remote RF units corresponding to each fourth power supply port are connected to the RF extension unit, or the second activation sequence of each fourth power supply port is determined according to the preset activation sequence of the power supply port of the RF extension unit, which reflects the diversity of the activation sequence settings of each fourth power supply port and improves the flexibility of the RF extension unit to power the remote RF unit.

[0092] In an embodiment of the present application, if it is determined that the RF extension unit of the extended pico base station meets the power supply triggering condition, the various power supply ports of the RF extension unit are controlled to be turned on in sequence, so as to power the remote RF units of the corresponding extended pico base station through the power supply ports; wherein each power supply port corresponds to a remote RF unit. Since the opening time interval of each power supply port of the RF extension unit is greater than the duration of the surge current of each remote RF unit, the surge current generated at the moment of powering on of each remote RF unit will not be superimposed. Furthermore, since the current tolerance value of the RF extension unit is greater than or equal to the surge current of each remote RF unit, the surge current generated at the moment of powering on of each remote RF unit will not affect the life of the RF extension unit or cause damage to the RF extension unit, thereby improving the safety and stability of the RF extension unit in the process of powering the remote RF unit.

[0093] Next, the implementation process of the application embodiment in the actual application scenario is introduced.

[0094] like Figure 3 The figure shows a connection state diagram of a baseband unit, an extension unit and a remote unit provided by the present application. The baseband unit BBU 301 can be connected to the extension unit RHUB 302 through an optical fiber, and the RHUB 302 can be connected to each remote unit RRU 303 through a Category 5E (Category 5Enhanced Ethernet Cable, CAT5E). The BBU 301 can control the state of the power supply port of the RHUB 302, and the RHUB 302 can supply power to each RRU 303.

[0095] like Figure 4 As shown, it is a flow chart of a method for an extended unit of an extended pico base station provided in the present application to power a remote unit, the method comprising:

[0096] S401. After the RHUB is powered on or restarted, check whether OAM is normal.

[0097] If so, execute the following steps S402 to S408; otherwise, execute the following step S409.

[0098] In the original version of RHUB 302, all power supply ports of RRU 303 need to be initially closed, and power supply is subsequently provided according to actual needs. After RHUB 302 is powered on or restarted, it starts the power supply self-protection process. If there are open power supply ports, all open power supply ports of RHUB 302 are closed.

[0099] S402. The RHUB communicates with the BBU and obtains a base station configuration file.

[0100] In the case that the RHUB 302 and the BBU 301 can perform normal OAM communication, the BBU 301 can send the configuration files related to the RRU 303 attached to the RHUB 302 to the RHUB 302, and the RHUB 302 will obtain the detailed networking configuration information of the RHUB 302 and the attached RRU 303 from the configuration files sent by the BBU 301, for example, the number of RRUs 303, the logical location of the RRU 303, etc.

[0101] S403: Obtain topology information of the RRUs attached to the RHUB.

[0102] When the RHUB 302 determines that the RHUB 302 configuration logic data in the current BBU 301 completely matches its own model, the power supply port authority of the RHUB 302 will be transferred to the BBU 301 side.

[0103] S404: Generate an RRU power-on sequence list.

[0104] The BBU 301 generates a power-on sequence list corresponding to N RRUs 303 according to the topological data of each RHUB 302 and the RRUs 303 under it in the network plan, where N is the number of RRUs 303 actually planned and deployed under each RHUB 302 .

[0105] S405 . Power the RRUs in order based on the RRU power-on sequence list.

[0106] Based on the power supply list of each RRU 303 under the RHUB 302 generated in step S404, the BBU 301 issues the command to turn on the power supply ports of the RRU 303 to different RHUB 302s in parallel, and supplies power to the corresponding N RRUs 303 successively. The power supply time interval T2 ≥ 10 times the surge duration T1 of the RRU 303, so that the surge currents at the moment when each RRU 303 is powered on will not be superimposed, ensuring that the surge current A1 at the moment when the RRU 303 is powered on < the withstand current A2 of the power protection device of the RHUB 302. Here, N represents the number of RRU 303 units actually planned and deployed under the RHUB 302, such as 6 units; T1 represents 10 times the surge duration of the RRU 303, such as 0.3 ms; T2 represents the power-on time interval of the RHUB 302 to the RRU 303, such as 0.5 ms; A1 represents the surge current applied to the RHUB 302 side at the moment when the RRU 303 is powered on, such as 20 A; A2 represents the withstand current of the power protection of the device that supplies power to the RRU 303 by the RHUB 302, such as 40 A.

[0107] S406. Periodically detect the RRU topology information.

[0108] After all RHUB 302s in the network complete the power supply to the corresponding RRU 303s, the BBU 301 will periodically detect whether the real-time topology is the same as the base station planned topology according to the planned topology, for example, detect whether the network topology has been updated such as being artificially added or deleted.

[0109] S407. Determine whether the RRU topology information has changed.

[0110] If the topology information of the RRU 303 has changed, then execute the following step S408; otherwise, return to step S406 and continue to execute.

[0111] S408. Open the newly added ports and block the deleted ports.

[0112] After it is determined that the network topology has changed, the corresponding power supply ports will be turned on as needed in sequence according to the new network topology (there are newly added RRU 303 devices in the network deployment) or the corresponding power supply ports will be closed (there are original RRU 303 devices deleted in the network deployment). Among them, the interval for turning on the power supply ports of the RRU 303 should meet the above X time interval.

[0113] S409. Turn on the power supply ports of each RRU in sequence.

[0114] When it is determined in step S401 that there is an OAM exception, the independent operation link of RHUB 302 will be entered. Regardless of other factors, RHUB 302 will supply power to the corresponding M RRU 303 ports in sequence from 1 to M. The power supply time interval T2 ≥ 2 times the surge duration T1 of RRU 303. The surge currents at the moment of power-on of each RRU 303 will not be superimposed, ensuring that the surge current A1 at the moment of power-on of RRU303 < the tolerance current A2 of the power protection device of RHUB 302. Here, M represents the maximum number of RRU 303s that can be hung under RHUB 302, for example, 8 units.

[0115] The method for the expansion unit of the extended pico base station provided by this application to supply power to the remote unit supplies power to the corresponding RRU in an orderly manner through the RHUB. By controlling the power supply time interval of each RRU to be greater than the duration of the surge current of the RRU, it can avoid the influence of abnormal surge currents during the simultaneous power-on of multiple RRUs, protect the safety of the RHUB itself during the power-on process of the RRU, and extend the stability and service life of the device itself.

[0116] This application also provides a power supply control device. Figure 5 As shown in the schematic diagram of the composition structure of a power supply control device provided for an embodiment of this application, Figure 5 as shown, the power supply control device 500 includes:

[0117] The control unit 501 is communicatively connected to the radio frequency expansion unit of the extended pico base station, and is configured to control each power supply port of the radio frequency expansion unit to be turned on in sequence if it is determined that the radio frequency expansion unit meets the power supply trigger condition, so as to supply power to the remote radio frequency unit of the corresponding extended pico base station through the power supply port;

[0118] Among them, each power supply port corresponds to a remote radio frequency unit, the opening time interval of each power supply port is greater than the duration of the surge current of each remote radio frequency unit, and the current tolerance value of the radio frequency expansion unit is greater than or equal to the surge current of each remote radio frequency unit.

[0119] In some embodiments, the control unit 501 further includes:

[0120] The first acquisition subunit is configured to acquire the status information of the operation, administration, and maintenance link between the baseband unit and the radio frequency expansion unit of the extended pico base station;

[0121] The first control subunit controls each power supply port of the radio frequency expansion unit to be turned on in sequence based on the status information of the operation, administration, and maintenance link.

[0122] In some embodiments, the first control subunit is also used to obtain power supply configuration information sent by the baseband unit if the operation and maintenance management link is in a normal state; based on the power supply configuration information, determine the first power supply port corresponding to each remote radio frequency unit to be powered by the radio frequency extension unit, and the first opening order of each first power supply port; based on the first opening order, control each first power supply port to be opened in sequence to power the corresponding remote radio frequency unit through the first power supply port.

[0123] In some embodiments, the configuration information includes first reference identification information of each RF extension unit and second reference identification information of a power supply port for powering a remote RF unit; the first control subunit is also used to determine the second identification information of the power supply port corresponding to the remote RF unit from the second reference identification information based on the first identification information if there is first identification information matching the RF extension unit in the first reference identification information; and determine each first power supply port according to the second identification information.

[0124] In some embodiments, the configuration information includes information of each remote radio frequency unit corresponding to each radio frequency extension unit; the power supply control device 500 also includes a processing unit;

[0125] The processing unit establishes a communication connection with the control unit 501, and is used to determine the newly added remote radio frequency unit to be powered corresponding to the specific radio frequency extension unit, and the second power supply port corresponding to each newly added remote radio frequency unit to be powered, if the information of the remote radio frequency unit corresponding to the specific radio frequency extension unit changes;

[0126] The control unit 501 is further used to control each second power supply port to be turned on in sequence, so as to power the corresponding newly added remote radio frequency unit to be powered through the second power supply port; the opening time interval of each second power supply port is greater than the duration of the surge current of each newly added remote radio frequency unit to be powered, and the current tolerance value of the radio frequency extension unit is greater than or equal to the surge current of each newly added remote radio frequency unit to be powered.

[0127] In some embodiments, the processing unit is further used to determine the remote radio frequency unit corresponding to the specific radio frequency extension unit that no longer needs to be powered, and the third power supply port corresponding to each remote radio frequency unit that no longer needs to be powered;

[0128] The control unit 501 is also used to control each third power supply port to be closed in sequence to stop powering the remote radio frequency unit that no longer needs power supply; the closing time interval of each third power supply port is greater than the duration of the surge current of each remote radio frequency unit that no longer needs power supply.

[0129] In some embodiments, the control unit 501 further includes:

[0130] A second determining subunit is used to determine a plurality of fourth power supply ports of the radio frequency extension unit that are in a connected state if the operation maintenance management link is in an abnormal state;

[0131] A third determining subunit, used to determine a second opening sequence of each fourth power supply port;

[0132] The second control subunit is used to control each fourth power supply port to be turned on in sequence based on the second turn-on sequence, so as to supply power to the corresponding remote radio frequency unit through the fourth power supply port.

[0133] In some embodiments, the third determining subunit is further used to obtain a sequence of remote radio frequency units corresponding to each of the fourth power supply ports accessing the radio frequency extension unit, and determine the second opening sequence based on the sequence; or,

[0134] A preset opening sequence of the power supply ports of the radio frequency extension unit is obtained, and the second opening sequence is determined based on the preset opening sequence.

[0135] In some embodiments, the RF extension unit of the extended pico base station meets the power supply triggering condition, including at least one of the following:

[0136] After the radio frequency extension unit is turned on, each power supply port of the radio frequency extension unit is in a closed state;

[0137] The information of the remote radio frequency unit corresponding to the radio frequency extension unit changes, indicating that there is a newly added remote radio frequency unit to be powered on in the radio frequency extension unit.

[0138] It should be noted that the description of the power supply control device in the embodiment of the present application is similar to the description of the above method embodiment, and has similar beneficial effects as the method embodiment, so it will not be repeated. For technical details not disclosed in this embodiment, please refer to the description of the method embodiment of the present application for understanding.

[0139] It should be noted that in the embodiment of the present application, if the above-mentioned power supply control method is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application can be essentially or partly reflected in the form of a software product that contributes to the relevant solution. The computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the methods of each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory (ROM), a disk or an optical disk. In this way, the embodiment of the present application is not limited to any specific combination of hardware and software.

[0140] Accordingly, an embodiment of the present application provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the power supply control method provided in the above embodiment is implemented.

[0141] The description of the above storage medium embodiment is similar to the description of the above method embodiment, and has similar beneficial effects as the method embodiment. For technical details not disclosed in the storage medium embodiment of the present application, please refer to the description of the method embodiment of the present application for understanding.

[0142] It should be noted that, in this article, the term "comprises" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises at least one ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0143] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are only schematic. For example, the division of units is only a logical function division. There may be other division methods in actual implementation, such as: multiple units or components can be combined, or can be integrated into another system, or some features can be ignored or not executed. In addition, the coupling, direct coupling, or communication connection between the components shown or discussed can be through some interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0144] The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units; they may be located in one place or distributed on multiple network units; some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0145] In addition, all functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may be a separate unit, or two or more units may be integrated into one unit; the above-mentioned integrated units may be implemented in the form of hardware or in the form of hardware plus software functional units.

[0146] A person of ordinary skill in the art can understand that: all or part of the steps of implementing the above-mentioned method embodiment can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, it executes the steps of the above-mentioned method embodiment; and the aforementioned storage medium includes: various media that can store program codes, such as mobile storage devices, ROM, disks or optical disks.

[0147] Alternatively, if the above-mentioned integrated unit of the present application is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application can essentially or in other words, the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for a product to execute all or part of the methods of each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as mobile storage devices, ROMs, magnetic disks, or optical disks.

[0148] The above are only implementation methods of the present application, but the protection scope of the present application is not limited thereto. Any technical object familiar with the technical field can be easily thought of within the technical scope disclosed in the present application. Changes or substitutions should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A power supply control method, comprising: If it is determined that the RF extension unit of the extended pico base station meets the power supply triggering condition, control each power supply port of the RF extension unit to be opened in sequence, so as to power the corresponding remote RF unit of the extended pico base station through the power supply port; Among them, each power supply port corresponds to a remote radio frequency unit, the opening time interval of each power supply port is greater than the duration of the surge current of each remote radio frequency unit, and the current tolerance value of the radio frequency extension unit is greater than or equal to the surge current of each remote radio frequency unit.

2. According to the method of claim 1, the controlling each power supply port of the RF extension unit to be turned on in sequence comprises: Acquire status information of an operation, maintenance and management link between a baseband unit of the extended pico base station and the radio frequency extension unit; Based on the status information of the operation maintenance management link, each power supply port of the radio frequency extension unit is controlled to be turned on in sequence.

3. The method according to claim 2, wherein the controlling each power supply port of the radio frequency extension unit to be turned on in sequence based on the status information of the operation maintenance management link comprises: If the operation maintenance management link is in a normal state, obtaining power supply configuration information sent by the baseband unit; Based on the power supply configuration information, determine the first power supply ports corresponding to the respective remote radio frequency units to be powered by the radio frequency extension unit, and the first opening order of the respective first power supply ports; Based on the first start-up sequence, the first power supply ports are controlled to be turned on in sequence, so as to supply power to the corresponding remote radio frequency units through the first power supply ports.

4. The method according to claim 3, wherein the configuration information includes first reference identification information of each radio frequency extension unit and second reference identification information of a power supply port for supplying power to a remote radio frequency unit; The determining, based on the power supply configuration information, first power supply ports corresponding to respective remote radio frequency units to be powered by the radio frequency extension unit includes: If the first identification information matches the radio frequency extension unit, the second identification information of the power supply port corresponding to the remote radio frequency unit is determined from the second reference identification information based on the first identification information; Each first power supply port is determined according to the second identification information.

5. The method according to claim 3 or 4, wherein the configuration information includes information of each remote radio unit corresponding to each radio extension unit; the method further comprises: If the information of the remote radio frequency unit corresponding to the specific radio frequency extension unit changes, determine the newly added remote radio frequency unit to be powered corresponding to the specific radio frequency extension unit, and the second power supply port corresponding to each newly added remote radio frequency unit to be powered; Control each second power supply port to be turned on in sequence to power the corresponding newly added remote radio frequency unit to be powered through the second power supply port; the opening time interval of each second power supply port is greater than the duration of the surge current of each newly added remote radio frequency unit to be powered, and the current tolerance value of the radio frequency extension unit is greater than or equal to the surge current of each newly added remote radio frequency unit to be powered.

6. The method according to claim 5, further comprising: Determine the remote radio frequency unit corresponding to the specific radio frequency extension unit that no longer needs to be powered, and the third power supply port corresponding to each remote radio frequency unit that no longer needs to be powered; Controlling each third power supply port to be closed in sequence to stop supplying power to the remote radio frequency unit that no longer needs power supply; The closing time interval of each third power supply port is greater than the duration of the surge current of each remote radio frequency unit that no longer needs to be powered.

7. The method according to claim 2, wherein the controlling each power supply port of the radio frequency extension unit to be turned on in sequence based on the status information of the operation maintenance management link comprises: If the operation maintenance management link is in an abnormal state, determining a plurality of fourth power supply ports of the radio frequency extension unit that are in a connected state; Determining a second opening sequence of each fourth power supply port; Based on the second opening sequence, each fourth power supply port is controlled to be opened in sequence, so as to supply power to the corresponding remote radio frequency unit through the fourth power supply port.

8. The method according to claim 7, wherein determining the second start-up sequence of each fourth power supply port comprises at least one of the following: Obtaining a sequence of remote radio frequency units corresponding to the fourth power supply ports accessing the radio frequency extension unit, and determining the second opening sequence based on the sequence; A preset opening sequence of the power supply ports of the radio frequency extension unit is obtained, and the second opening sequence is determined based on the preset opening sequence.

9. According to the method of claim 1, the RF extension unit of the extended pico base station meets the power supply triggering condition, including at least one of the following: After the radio frequency extension unit is turned on, each power supply port of the radio frequency extension unit is in a closed state; The information of the remote radio frequency unit corresponding to the radio frequency extension unit changes, indicating that there is a newly added remote radio frequency unit to be powered on in the radio frequency extension unit.

10. A power supply control device, comprising: A control unit, which establishes a communication connection with the RF extension unit of the extended pico base station, and is used to control each power supply port of the RF extension unit to be opened in sequence if it is determined that the RF extension unit meets the power supply trigger condition, so as to power the corresponding remote RF unit of the extended pico base station through the power supply port; Among them, each power supply port corresponds to a remote radio frequency unit, the opening time interval of each power supply port is greater than the duration of the surge current of each remote radio frequency unit, and the current tolerance value of the radio frequency extension unit is greater than or equal to the surge current of each remote radio frequency unit.

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