WO2020227902A1 - 一种内存管理的方法和装置、终端设备 - Google Patents

一种内存管理的方法和装置、终端设备 Download PDF

Info

Publication number
WO2020227902A1
WO2020227902A1 PCT/CN2019/086702 CN2019086702W WO2020227902A1 WO 2020227902 A1 WO2020227902 A1 WO 2020227902A1 CN 2019086702 W CN2019086702 W CN 2019086702W WO 2020227902 A1 WO2020227902 A1 WO 2020227902A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier
memory space
space requirement
harq
memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/086702
Other languages
English (en)
French (fr)
Inventor
余书静
杨勤凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201980014668.2A priority Critical patent/CN112236962B/zh
Priority to PCT/CN2019/086702 priority patent/WO2020227902A1/zh
Publication of WO2020227902A1 publication Critical patent/WO2020227902A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems

Definitions

  • This application relates to the storage field, and in particular to a method and device for memory management, and terminal equipment.
  • the received error data packet is stored in the storage memory and combined with the retransmitted data packet for decoding, which improves the transmission effectiveness.
  • the terminal needs to take up a certain amount of memory space to decode the received service data for storing error data packets.
  • the communication module in the terminal can apply to the controller for memory space for data decoding.
  • the memory allocated by the controller for the communication module cannot be reused by other modules in the terminal. Without affecting the business process, how to allocate memory space for the communication module has a great impact on the utilization of memory.
  • the present application provides a method and device for memory management, which can achieve high utilization of memory space while ensuring service transmission.
  • a method for memory management including: receiving MAC PDU activation information sent by a base station, where the MAC PDU activation information is used to indicate activation of a first carrier; determining the carrier capability parameters of the first carrier; The carrier capability parameters of the first carrier determine the first HARQ memory space requirement; according to the first HARQ memory space requirement, apply to the memory management unit for memory space, where the memory space is used to store data carried by the first carrier .
  • the communication module After receiving the MAC PDU activation information for indicating activation of the first carrier, the communication module determines the size of the requested memory space according to the carrier capability parameter of the first carrier, and the requested memory space is used to store data carried by the first carrier. Since the requested memory space cannot be reused by other modules of the terminal, the size of the requested memory space is determined according to the carrier capability parameters of the first carrier, which can reduce the waste of memory space and improve the utilization of memory space without affecting services. Transmission.
  • the time difference between the received MAC PDU activation information and the requested memory space is less than or equal to a preset value.
  • the determining the first HARQ memory space requirement according to the carrier capability parameter of the first carrier includes: according to the carrier capability parameter of the first carrier, Determine the maximum memory space requirement corresponding to the first carrier; determine the first HARQ memory space requirement according to the product of the maximum memory space requirement corresponding to the first carrier and the preset first ratio.
  • the carrier capability parameter of the first carrier includes at least one of the following parameters: the number of antennas used to receive the first carrier, and the The number of hybrid automatic repeat request HARQ processes, the bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the frequency of the first carrier.
  • the maximum memory space requirement corresponding to the first carrier is N times the maximum memory space requirement of the HARQ process, where N is the number of HARQ processes of the first carrier, and The maximum memory space requirement of the HARQ process is determined according to at least one of the following parameters: the number of antennas used to receive the first carrier, the bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the frequency.
  • the method sending further includes: receiving MAC PDU deactivation information, where the MAC PDU deactivation information is used to instruct to deactivate the first carrier; according to the MAC The PDU deactivation information releases the memory space.
  • a device for memory management including a transceiver unit, a determining module, and an application module.
  • the transceiver unit is configured to receive MAC PDU activation information sent by a base station, where the MAC PDU activation information is used to indicate activation of a first carrier;
  • the determining unit is configured to determine the first HARQ memory space requirement according to the carrier capability parameter of the first carrier;
  • the application unit is configured to apply for the memory space from the memory management unit according to the first HARQ memory space requirement, and the memory The space is used to store data carried by the first carrier.
  • the time difference between the received MAC PDU activation information and the requested memory space is less than or equal to a preset value.
  • the determining unit is configured to: determine the maximum memory space requirement corresponding to the first carrier according to the carrier capability parameter of the first carrier; The product of the memory space requirement and the preset first ratio determines the first HARQ memory space requirement.
  • the carrier capability parameter of the first carrier includes at least one of the following parameters: the number of antennas used to receive the first carrier, The number of hybrid automatic repeat request HARQ processes, the bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the frequency of the first carrier.
  • the maximum memory space requirement corresponding to the first carrier is N times the maximum memory space requirement of the HARQ process, where N is the number of HARQ processes of the first carrier, and the The maximum memory space requirement of the HARQ process is determined according to at least one of the following parameters: the number of antennas used to receive the first carrier, the bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the frequency.
  • the transceiver unit is further configured to: receive MAC PDU deactivation information, where the MAC PDU deactivation information is used to instruct to deactivate the first carrier; the memory management apparatus is also A release module is included, and the release module is configured to release the memory space used to store the data carried by the first carrier according to the MAC PDU deactivation information.
  • a memory management device which includes at least one processor and a communication interface.
  • the communication interface can be used for the memory management device to exchange information with other devices.
  • the program instructions are in the at least one processor
  • the memory management device is made to implement the method executed by the memory management device mentioned above.
  • a device for memory management including a communication module and a memory management module; the communication module is configured to receive media access control MAC protocol data unit PDU activation information sent by a base station, and the MAC PDU activation information is used for Instruct to activate the first carrier; the communication module is also used to determine the carrier capability parameter of the first carrier; the communication module is also used to determine the first hybrid automatic reset according to the carrier capability parameter of the first carrier Transmission request HARQ memory space requirements; the communication module is further configured to, according to the first HARQ memory space requirements, apply to the memory manager for memory space, where the memory space is used to store data carried by the first carrier ; The memory management module is used to allocate the memory space.
  • the time difference between the received MAC PDU activation information and the requested memory space is less than or equal to a preset value.
  • the communication module is configured to: determine the maximum memory space requirement corresponding to the first carrier according to the carrier capability parameter of the first carrier; The product of the maximum memory space requirement and the preset first ratio determines the first HARQ memory space requirement.
  • the carrier capability parameter of the first carrier includes at least one of the following parameters: the number of antennas used to receive the first carrier, the The number of hybrid automatic repeat request HARQ processes, the bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the frequency of the first carrier.
  • the maximum memory space requirement corresponding to the first carrier is N times the maximum memory space requirement of the HARQ process, where N is the number of HARQ processes of the first carrier, and The maximum memory space requirement of the HARQ process is determined according to at least one of the following parameters: the number of antennas used to receive the first carrier, the bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the frequency.
  • the communication interface is further used to receive MAC PDU deactivation information, where the MAC PDU deactivation information is used to instruct to deactivate the first carrier; the communication The module is used to release the memory space according to the MAC PDU deactivation information; the communication module is used to notify the memory management module of the release of the memory space.
  • a terminal device which includes the aforementioned memory management device.
  • a computer program storage medium characterized in that the computer program storage medium has program instructions that, when executed by a processor, cause the processor to execute the memory management method described above.
  • a chip system in a seventh aspect, characterized in that the chip system includes at least one processor, and when a program instruction is executed in the at least one processor, the at least one processor is caused to execute the aforementioned The memory management method.
  • Figure 1 is a schematic diagram of the terminal device structure
  • Fig. 2 is a schematic flowchart of a method for static memory management.
  • Figure 3 is a schematic diagram of memory allocation and usage in the static memory management mode.
  • Fig. 4 is a schematic flowchart of a method for dynamic memory management.
  • Figure 5 is a schematic diagram of memory allocation and usage in a dynamic memory management mode.
  • Figure 6 is a schematic diagram of the memory requirements and allocation of memory in the dynamic memory management mode.
  • FIG. 7 is a schematic flowchart of a method for memory management provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of memory allocation and usage in the memory management method provided by an embodiment of the present application.
  • FIG. 9 is a schematic flowchart of a method for memory management according to another embodiment of the present application.
  • FIG. 10 is a schematic flowchart of a method for memory management provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a memory management apparatus provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a memory management device provided by another embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a memory management apparatus provided by another embodiment of the present application.
  • GSM global system for mobile communications
  • CDMA code division multiple access
  • WCDMA broadband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD LTE Time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • Figure 1 is a schematic diagram of a terminal device.
  • the main chip of the terminal generally contains multiple subsystems. When these subsystems are running, they generally need to use memory to store software programs and data.
  • the memory includes internal memory, which is also called internal memory or memory.
  • the main chip may include one or more processors. These subsystems of the main chip share memory space.
  • the memory can be configured with double data rate (DDR).
  • DDR double data rate
  • the communication module is one of multiple subsystems, and the communication module may be called a modem.
  • the terminal receives the service data sent by the base station.
  • a baseband processor (BBP) is used to decode data, which will occupy a large memory space.
  • the communication module can apply for memory space for the BBP.
  • the communication module can also be called a memory management device.
  • the memory space required by the BBP can also be understood as the memory space required by the communication module.
  • the controller allocates memory space for the BBP, which can be understood as the controller allocates memory space to the communication module, and this memory space cannot be reused by other modules. Therefore, how to allocate memory space for communication modules has a great impact on the efficiency of memory usage.
  • the terminal may also be referred to as user equipment (UE).
  • the terminal may communicate with one or more core networks (core networks, CN) via the base station.
  • core networks CN
  • a terminal may sometimes also be referred to as an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a wireless network device, a user agent, or a user device.
  • the terminal can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld with wireless communication function Devices, computing devices or other devices connected to wireless modems, in-vehicle devices, wearable devices or the Internet of Things, terminal devices in the Internet of Vehicles, and terminal devices of any form in the future network.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the base station can be used to connect the terminal to a radio access network (radio access network, RAN). Therefore, a base station may sometimes be called an access device, an access network device, or an access network node. It is understandable that in systems using different wireless access technologies, the names of devices with base station functions may be different.
  • the embodiments of the present application provide devices with wireless communication access functions for terminals collectively referred to as base stations.
  • the base station may be, for example, an evolved node B (eNB) in long term evolution (LTE), or it may be a next-generation base station node (next generation) in a fifth generation (5G) mobile communication system. generation node base station, gNB).
  • the base station can be a macro base station or a micro base station.
  • the base station can also be a roadside device with wireless access function or a certain terminal.
  • the devices that can implement the functions involved in the access network device side in the embodiments of the present application are collectively referred to as base stations.
  • the BBP needs memory space to store the decoding information when decoding the data.
  • the memory may be DDR memory.
  • the memory space required by BBP to decode data can be applied to the control module through the communication module.
  • the function of the communication module can be realized by the processor.
  • the function of the communication module is realized through a digital signal processor (DSP).
  • the control module may be a memory access accelerator (MAA) controller.
  • the control module can be used for memory management, and can also be called a memory management module.
  • the function of the memory management module can be realized by the processor.
  • the MAA controller can store the allocated memory address in the internal memory, and then the communication module will indicate the available memory address to the BBP.
  • the memory space required by the BBP can also be considered as a communication module.
  • the memory space allocated by the controller for the BBP can also be understood as the memory space allocated by the controller for the communication module.
  • BBP can decode data.
  • the memory containing the memory space can be used for the storage of data in the aforementioned communication process, and can also be used for the storage of other data during the operation of the terminal device, such as the storage of data generated by application programs.
  • the 5th generation (5G) mobile communication protocol is more flexible in resource scheduling. The size and timing of the application determines how the storage of the terminal is allocated, and inappropriate applications will cause a great waste of resources.
  • Figure 2 is a method of static memory management.
  • the MAA controller When the terminal is powered on, the MAA controller immediately allocates a dedicated memory space for the communication module, and the size of the dedicated memory space is the size of the maximum memory space required for decoding. This is a static use of memory space.
  • the maximum memory space required by the current terminal to decode data determines the memory space allocated to the communication module.
  • the corresponding memory multiple is determined according to the maximum memory space requirement for decoding of a single carrier, that is, a component carrier (CC) and the carrier aggregation number supported by the terminal.
  • CC component carrier
  • the maximum memory space requirement for a 5G single carrier is 22.5MB
  • the carrier aggregation number multiplied by 22.5MB is the memory storage space allocated for the communication module.
  • Figure 3 is a schematic diagram of memory allocation and usage in the static memory management mode.
  • memory is allocated according to the maximum demand, and the memory space is allocated as a dedicated memory space.
  • Other modules cannot be used, and there is a great waste of memory resources.
  • memory can be allocated for the communication module after a period of time after the terminal is powered on. At this time, the time of memory space allocation also greatly affects Utilization of memory resources.
  • Figure 4 is a method of dynamic memory management. After the terminal is powered on, the MAA controller allocates and reclaims memory space in real time according to the memory used by the communication module. The communication module needs to send requests for application and memory release to the MAA controller in real time according to the business scenario.
  • Figure 5 is a schematic diagram of memory allocation and usage in a dynamic memory management mode.
  • the traffic is large, a lot of memory will be used, which can reduce the waste of resources.
  • the scheduling interval of the dynamic memory management mode is relatively small, and the communication module frequently sends requests for application and release of memory to the MAA controller. Frequent information interaction increases the time for the MAA controller to process information and consumes more processor resources.
  • Figure 6 is a schematic diagram of the memory requirements and allocation of memory in the dynamic memory management mode.
  • the communication module sends a message to the MAA controller, causing some time overhead. Therefore, the dynamic memory management method may affect the communication service because the resource application is not timely.
  • the data scheduling of 5G is very flexible, and the memory demand of the communication module may increase sharply in a short time.
  • the memory allocated by the controller for the communication module cannot be reused by other modules.
  • the static memory management method causes a waste of resources; the dynamic memory management method cannot provide enough memory in time to affect the business process, and the frequent interaction between the communication module and the controller causes a waste of resources. Too many memory applications result in a waste of memory; too few memory applications require frequent applications for memory space, resulting in performance loss.
  • this application proposes a method of memory management. Without affecting the business, improve the utilization of memory resources.
  • Fig. 7 is a method of memory management proposed by an embodiment of the present application. Steps S701-S703 can be performed by the communication module.
  • step S701 receiving media access control (MAC) protocol data unit (protocol data unit, PDU) activation information sent by a base station, where the MAC PDU activation information is used to indicate activation of the first carrier.
  • MAC media access control
  • the first carrier is sent by the base station. After the base station sends the MAC PDU activation information, the base station transmits data through the first carrier. The transmission of MAC PDU activation information is the starting point for the base station to send data through the first carrier. After the MAC PDU activation information is sent, the base station may send data at any time. That is to say, after receiving the MAC PDU activation information, the communication module may receive data sent by the base station at any time.
  • step S702 the carrier capability parameter of the first carrier is determined.
  • the carrier capability parameter of the first carrier may indicate the capability of the first carrier to carry data.
  • the carrier capability parameter of the first carrier may include at least one of the following information: the number of antennas used to receive the first carrier, the number of HARQ processes of the first carrier, and the number of HARQ processes of the first carrier. Bandwidth, subcarrier spacing (SCS) of the first carrier, and frequency of the first carrier.
  • the number of antennas corresponding to the first carrier may be the number of antennas used to transmit the first carrier in the device that transmits the first carrier. For the device that receives the first carrier, that is, the terminal device, the number of antennas used to receive the first carrier and the number of antennas used by the base station to transmit the first carrier may be equal or not equal.
  • the frequency of the first carrier that is, the frequency of the first carrier, can be used to determine whether the first carrier is a high frequency or a low frequency.
  • the carrier capability parameter of the first carrier is related to the maximum amount of data that the first carrier can carry.
  • the carrier capability parameter of the first carrier may reflect the maximum memory space size corresponding to the first carrier.
  • the first carrier configuration information sent by the base station may be received, and the first carrier configuration information may include part of the information in the carrier capability parameter.
  • the first carrier configuration information may include at least one of the following information: the number of HARQ processes of the first carrier's hybrid automatic repeat request, the bandwidth of the first carrier, and the subcarrier spacing of the first carrier. , SCS), the frequency of the first carrier.
  • the communication module determines the number of antennas used to receive the first carrier
  • the carrier capability parameter of the first carrier may include the number of antennas used to receive the first carrier.
  • the communication module can be configured by the terminal device to determine the number of antennas used to receive the first carrier.
  • the communication module may determine the carrier capability parameter of the first carrier according to the first carrier configuration information and/or the configuration of the terminal device.
  • the carrier capability parameter of the first carrier may include all or part of the information in the first carrier configuration information, and the carrier capability parameter of the first carrier may include the number of antennas configured by the terminal device to receive the first carrier.
  • step S703 the first HARQ memory space requirement is determined according to the carrier capability parameter of the first carrier.
  • the first HARQ memory space requirement can be determined.
  • the memory space can be used to store data carried by the first carrier.
  • the first HARQ memory space requirement may be the size of the requested memory space.
  • the memory space applied for according to the first HARQ memory space requirement may be used for data storage in the HARQ data transmission process.
  • the maximum memory space requirement corresponding to the first carrier can be determined.
  • the first HARQ memory space requirement may be determined.
  • the maximum memory space requirement corresponding to the first carrier may be understood as the maximum memory space requirement of the first carrier, and is the maximum memory space that may be occupied by receiving data carried by the first carrier.
  • the maximum memory space requirement corresponding to the first carrier can be calculated, that is, the maximum memory space requirement of the first carrier.
  • the maximum memory space requirement corresponding to the first carrier increases. Other parameters remain unchanged.
  • the maximum memory space requirement when N receiving antennas are used to receive the first carrier is N times the maximum memory space requirement when one receiving antenna is used. If the carrier capability parameter of the first carrier does not include the number of antennas used to receive the first carrier, the maximum memory space requirement for the first carrier may be determined according to the maximum number of antennas that the terminal can use to receive the first carrier.
  • the maximum memory space requirement corresponding to the first carrier increases. Other parameters remain unchanged, the maximum memory space requirement corresponding to the first carrier of the number of M HARQ processes is M times the maximum memory space requirement of a HARQ process. If the carrier capability parameter of the first carrier does not include the number of HARQ processes, the maximum memory space requirement corresponding to the first carrier may be determined according to the maximum number of HARQ processes that the first carrier may include.
  • the maximum memory space requirement corresponding to the first carrier increases.
  • Different sub-carrier intervals of the first carrier also have an impact on the maximum memory space requirement corresponding to the first carrier.
  • the frequency points of different first carriers correspond to different possible subcarrier intervals of the first carrier.
  • carriers with subcarrier spacing of 30kHz, 60kHz, and 120kHz can be used for decoding.
  • the SCS of 30kHz corresponds to the largest memory space requirement
  • the SCS of 120kHz corresponds to the smallest memory space requirement.
  • the number of slots in a sub-frame changes.
  • the number of time slots in a subframe is 10, 60kHz is 40, and 120kHz is 80.
  • the number of time slots in a subframe increases.
  • One time slot corresponds to the transmission of one transport block.
  • a subframe is 1 millisecond, and the number of time slots in a subframe increases, resulting in a decrease in the time of each time slot and a decrease in the maximum memory space occupied by a transmission block.
  • the maximum memory space required to store one transmission block is 1440kB
  • the maximum memory space requirement for a HARQ process is 1440kB.
  • the maximum memory space requirement of a HARQ process is 540MB
  • the maximum memory space requirement of a HARQ process with subcarrier spacing of 120kHz is 270MB.
  • the terminal equipment can receive high-frequency or low-frequency carrier waves.
  • the sub-carrier spacing can be 60kHz or 120kHz.
  • the sub-carrier spacing can be 15kHz, 30kHz or 60kHz, etc.
  • the maximum number of CCs supported is different, and the subcarrier spacing is also different. Therefore, by using the frequency of the first carrier, the maximum memory space requirement of the first carrier can be determined according to the subcarrier spacing of the first carrier supported by the frequency. That is, according to the frequency point of the first carrier, the range of the subcarrier spacing of the subcarrier spacing can be determined, thereby determining the maximum memory space requirement of the first carrier.
  • the first carrier when the frequency of the first carrier is 6 GHz or higher, the first carrier is a high-frequency carrier, and when the frequency of the first carrier is lower than 6 GHz, the first carrier is a low-frequency carrier.
  • the carrier capability parameters of the first carrier include the number of antennas used to receive the first carrier, the number of HARQ processes of the first carrier's hybrid automatic repeat request, the bandwidth of the first carrier, and the number of the first carrier
  • the maximum memory space requirement corresponding to the first carrier can be determined according to the partial parameters and other parameters that cause the largest memory space requirement.
  • the carrier capability parameter of the first carrier only includes: the number of HARQ processes of the first carrier's hybrid automatic repeat request and the bandwidth of the first carrier.
  • the terminal device can accept the carrier corresponding to the maximum memory space requirement, that is, the smallest subcarrier spacing, and the maximum number of antennas that the terminal device can use to receive the carrier, determine the maximum corresponding to the first carrier. Memory space requirements.
  • the memory used in different business scenarios of the communication module varies greatly.
  • the maximum memory space requirements of different carriers vary greatly.
  • the terminal needs different memory for a single CC.
  • the maximum memory space requirement of one HARQ process of the communication module is 1.4MB
  • the maximum memory space requirement of CC is 22.5MB.
  • After receiving the CC activation information, applying for memory to the controller for the first time can be called an initial application. If the initially requested memory space is half of the maximum memory space requirement of CC, the initial requested memory is 11.25MB.
  • the initial memory application can be 2.8MB.
  • the main factors that affect the maximum memory space requirement of the carrier are as follows: the number of receiving antennas, SCS, the maximum number of HARQ processes supported, and frequency points. According to one or more of these parameters, the maximum memory space requirement of the carrier can be calculated. Among them, as the number of receiving antennas and the maximum number of supported HARQ processes increase, the maximum memory space requirement of the carrier increases.
  • the first HARQ memory space requirement may be the maximum memory space requirement corresponding to the first carrier multiplied by a preset ratio.
  • the first carrier may include multiple HARQ processes, and the maximum memory space requirement corresponding to the first carrier may be equal to the maximum memory space requirement of a single HARQ process in the first carrier multiplied by the number of HARQ processes of the first carrier.
  • the maximum memory space requirement of the HARQ process in the first carrier may be the maximum memory space requirement corresponding to the HARQ process, that is, the maximum memory space requirement that may be occupied by receiving data of one HARQ process. That is, the maximum memory space requirement corresponding to the first carrier is N times the maximum memory space requirement of the HARQ process, and N is the number of HARQ processes of the first carrier. Equal to can be approximately equal to, that is, approximately equal to.
  • step S704 according to the first HARQ memory space requirement, apply for memory space, where the memory space is used to store data carried by the first carrier.
  • the communication module can apply for memory space from the control module.
  • the communication module may apply for memory space for storing data carried by the first carrier according to the memory space requirement of the first HARQ.
  • the control module may allocate memory space to the communication module according to the first HARQ memory space requirement.
  • the memory space requirement may be the first HARQ memory space requirement.
  • the memory space can be used to store data carried by the first carrier.
  • the data carried by the first carrier stored in the memory space may include the original data carried by the first carrier, and may also include data obtained by decoding the data carried by the first carrier, such as data obtained from the first carrier.
  • the communication module may apply for a memory space for storing the data carried by the first carrier.
  • the communication module may apply to the controller for memory space, and the controller may be, for example, an MAA controller.
  • the communication module may receive large-scale data services at any time.
  • the communication module immediately applies for memory space for storing the data carried by the first carrier, so that sufficient memory resources can be prepared to avoid the delay in service reception and processing caused by the application for memory space. That is, the time difference between receiving the MAC PDU activation information by the communication module and applying for memory space may be less than or equal to the preset value.
  • the first HARQ memory space requirement may be the maximum memory space requirement corresponding to the first carrier multiplied by a preset ratio. For example, the first HARQ memory space requirement may be half of the maximum memory space requirement corresponding to the first carrier.
  • the first HARQ memory space requirement may be the maximum memory space requirement corresponding to the first carrier multiplied by a preset ratio.
  • the first HARQ memory space requirement may be an integer multiple of the maximum memory space requirement of a single HARQ process.
  • the first preset value may be a value greater than 0 and less than 1.
  • the communication module may use the first HARQ memory Space requirement, applying for memory space for storing data carried by the first carrier.
  • the first HARQ memory space requirement may be the maximum memory space requirement corresponding to the first carrier multiplied by a preset ratio.
  • the first HARQ memory space requirement may be an integer multiple of the maximum memory space requirement of a single HARQ process.
  • the second preset value may be a preset memory space requirement.
  • the communication module may release the memory space for storing the data carried by the first carrier according to the first HARQ memory space requirement.
  • the first HARQ memory space requirement may be the maximum memory space requirement corresponding to the first carrier multiplied by a preset ratio.
  • the first HARQ memory space requirement may be an integer multiple of the maximum memory space requirement of a single HARQ process.
  • the third preset value may be a value greater than 0 and less than 1.
  • the fourth preset value may be a preset memory space size.
  • the memory space used for storing the data carried by the first carrier is greater than the fifth preset value.
  • the fifth preset value may be the first HARQ memory space requirement of the communication module corresponding to the first test application of the first carrier.
  • the communication module may also receive MAC PDU deactivation information, where the MAC PDU deactivation information is used to instruct the deactivation of the first carrier; the communication module may release the MAC PDU deactivation information according to the MAC PDU deactivation information.
  • the memory space. Deactivating the first carrier may refer to stopping the transmission of data on the first carrier, that is, no longer transmitting data through the first carrier.
  • the MAC PDU activation information may also be used to indicate the activation of the second carrier, and the communication module may determine the second HARQ memory space requirement according to the carrier capability parameter of the second carrier. The communication module may apply for memory space for storing data of the second carrier according to the second HARQ memory space requirement.
  • the MAC PDU deactivation information may also be used to indicate the deactivation of the second carrier, and the communication module may release the memory space used to store the data of the second carrier according to the MAC PDU deactivation information.
  • the memory spaces of different carriers can be managed separately.
  • steps S701-S703 applying for memory space according to the received carrier's capability parameters can improve the utilization of memory resources without affecting services.
  • D2D device-to-device
  • FIG. 8 is a schematic diagram of memory allocation and usage in the case of using the memory management method proposed in the embodiment of the present application.
  • the allocated memory space is greater than or equal to the actual used memory space, which can ensure the reception of services.
  • the memory used may vary widely and the frequency of changes is high, but the frequency of changes of the allocated memory space is relatively low. Therefore, it is possible to realize reasonable utilization of memory resources and reduce signaling overhead while ensuring service reception.
  • the communication module using the method provided in the embodiment of the present application can be tested.
  • the meter can schedule MAC PDU activation information.
  • the meter can schedule data and simulate the situation of the communication module receiving business data.
  • the error code of the meter scheduling data can be fixed value or variable value business data.
  • the communication module Before receiving the MAC PDU activation information, the communication module hardly takes up memory resources. After receiving the MAC PDU activation information, regardless of whether there is data service transmission or whether there are errors in the service data, the communication module occupies some memory resources. It is determined that the communication module may be a communication module that adopts the method provided in the embodiment of the present application.
  • the MAC PDU activation information is used to indicate the activation of the first carrier. In other words, before receiving the MAC PDU activation information, the memory resource occupied by the communication module is less than the preset value.
  • the communication module can receive the service of the first carrier, and the communication module occupies part of the memory resources to ensure the reception of the service. This is different from static memory management. In the static memory management mode, regardless of business scenarios, the communication module always occupies the same memory space, that is, the communication module always occupies a fixed memory space according to the configuration of the terminal device.
  • Tbsize size of the transmission block size
  • Tbsize size of the transmission block size
  • the size of the transmission block affects the memory space that the communication module needs to occupy. Since the memory management method provided by the embodiments of the present application applies for memory space according to the carrier capability parameter of the carrier, in some cases, the change in the memory space occupied by the communication module will not cause the applied memory space to change, and the applied memory space is used for Store carrier data.
  • the memory space occupied by the communication module is less than the second preset value, there is no need to apply for memory space.
  • the size of Tbsize is changed, the memory space occupied by the communication module changes, but the occupied memory space is still less than the second preset value, the size of the memory applied by the communication module does not change.
  • the communication module can be The communication module using the method provided in the embodiment of the application.
  • the communication module can apply for a part of the memory space for storing carrier data.
  • the communication module can release a part of the memory space used to store carrier data.
  • the size of the memory space that is applied for and released each time can be the maximum memory space requirement corresponding to the carrier multiplied by the preset ratio.
  • the size of the memory space released by each application may be an integer multiple of the maximum memory space requirement of a single HARQ process in the carrier.
  • FIG. 9 is a method of memory management proposed by an embodiment of the present application.
  • Figure 9 reflects the situation where the terminal receives a single carrier.
  • the search network accesses a certain cell and is in a cell camping state.
  • the communication module has little demand for memory.
  • the state of the terminal is between the uplink initialization and the idle state, and the communication module hardly needs memory space. Therefore, the MAA controller can allocate a small memory space or no memory space to the communication module.
  • the terminal In the second stage, the terminal is in the connected state. Taking the first carrier activation information as the demarcation point, the communication module hardly needs memory space before, and the communication module may need a lot of memory space instantaneously.
  • the communication module receives the first carrier (CC1) active information sent by the access network device.
  • the first carrier activation information is used to activate the first carrier.
  • the first carrier activation information may be media access control (media access control, MAC) protocol data unit (protocol data unit, PDU) activation information.
  • the communication module calculates the maximum memory space requirement of a single HARQ process according to the carrier capability parameter of the first carrier.
  • the carrier capability parameter of the first carrier may include at least one of the following information: the number of HARQ processes of the first carrier, the frequency of the first carrier, the subcarrier spacing (SCS) of the first carrier, and the reception of the first carrier The number of antennas, etc.
  • the maximum memory space requirement corresponding to the first carrier is N times the maximum memory space requirement of a single HARQ process, where N is the number of HARQ processes of the first carrier.
  • the communication module makes an initial application, and applies for memory space from the MAA controller according to the ratio of the maximum memory space requirement corresponding to the first carrier. For example, you can apply for the memory space according to half of the maximum memory space requirement corresponding to the first carrier.
  • the MAA controller allocates memory space to the communication module according to the size of the memory space requested by the communication module.
  • the terminal receives service data, that is, it is in a data service scenario.
  • the communication module manages the memory space allocated by the MAA controller.
  • the communication module applies for and releases the memory according to the service scenario of the first carrier.
  • the communication module makes an additional application.
  • the communication module applies for a memory space that is a first preset multiple of the maximum memory space requirement of a single HARQ process.
  • the communication module releases the memory space resources.
  • the communication module releases the memory space of the first preset multiple of the maximum memory space requirement of a single HARQ process.
  • the memory space requirement of the first carrier can be determined based on the error code.
  • the error code of the first carrier increases, the data carried by the first carrier requires more memory space for data storage, and the memory space requirement of the first carrier increases.
  • the terminal receives the first carrier deactivation (deactive) information sent by the access network device.
  • the first carrier deactivation information is used to instruct to deactivate the first carrier.
  • the first carrier deactivation information may be MAC PDU deactivation information.
  • the communication module releases all the requested memory resources.
  • the communication module may initially apply for a part of the memory space according to the activation information of the first carrier, and the size of the memory space initially applied for may be calculated according to the carrier capability parameter of the first carrier. According to the carrier capability parameter of the first carrier, the maximum memory space size corresponding to the first carrier can be calculated. The size of the memory space initially applied for may be smaller than the maximum memory space requirement corresponding to the first carrier. For example, the memory space size of the initial application may be the maximum memory space requirement corresponding to the first carrier multiplied by the first ratio. The first ratio may be a preset value.
  • the communication module applies for and releases memory space according to business scenarios. The communication module may release the corresponding memory space of the first carrier according to the deactivation information of the first carrier.
  • the resource utilization of the memory space can be guaranteed, the frequency of information exchange between the communication module and the MAA controller can be reduced, and the performance of the terminal can be improved.
  • FIG. 10 is a method of memory management proposed by an embodiment of the present application.
  • the memory application and release of the communication module are maintained separately according to a single carrier.
  • FIG. 10 illustrates the case where the terminal receives two carriers.
  • the communication module receives the first carrier activation (CC1active) information.
  • the first carrier activation information is used to indicate that the first carrier is activated.
  • the maximum memory space requirement of the first carrier can be determined according to the configuration of the first carrier, and the memory space can be applied for in accordance with a certain proportion of the maximum memory space requirement of the first carrier for storing data of the first carrier.
  • the MAA controller can allocate memory space according to the size of the memory space that the communication module applies for.
  • the configuration of the first carrier includes, for example, the number of HARQ processes of the first carrier, the bandwidth of the first carrier, the SCS of the first carrier, the frequency of the first carrier, and the number of receiving antennas of the first carrier.
  • the carrier capability parameter of the first carrier the maximum memory space requirement corresponding to the first carrier can be calculated.
  • the carrier capability parameter of the first carrier may include at least one of the following information: the number of HARQ processes of the first carrier, the frequency of the first carrier, the bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the reception of the first carrier The number of antennas, etc.
  • the communication module can manage the size of the memory space used to store the data of the first carrier. When the memory space occupancy is greater than a certain proportion, apply for a part of the memory space for storing the data of the first carrier; when the memory space occupancy is less than a certain proportion, release a part of the memory space for storing the data of the first carrier. When the memory space used to store the data of the first carrier reaches the maximum memory space requirement of the first carrier, the communication module no longer applies for memory space.
  • the size of the memory space requested or released each time may be a preset ratio of the maximum memory space requirement corresponding to the first carrier, such as an integer multiple of the memory space requirement of one HARQ process of the first carrier.
  • the size of the memory space used to store the data of the first carrier each time it is released or reapplied may be a multiple of the maximum space requirement of a single HARQ process of the first carrier.
  • the maximum space requirement of a single HARQ process may be determined according to one or more of the frequency of the first carrier, the bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the number of receiving antennas of the first carrier.
  • the communication module receives the second carrier activation (CC2 active) information.
  • the second carrier activation information is used to indicate that the second carrier is activated.
  • the maximum memory space requirement of the second carrier can be determined according to the configuration of the second carrier, and the memory space can be applied for in accordance with a certain proportion of the maximum memory space requirement of the second carrier for storing data of the second carrier.
  • the MAA controller can allocate memory space according to the size of the memory space that the communication module applies for. With reference to the method for determining the maximum memory space requirement of the first carrier, the maximum memory space requirement of the second carrier can be determined.
  • the communication module can manage the size of the memory space used to store the data of the second carrier.
  • the memory space occupancy is greater than a certain proportion, apply for a part of the memory space for storing the data of the second carrier; when the memory space occupancy is less than a certain proportion, release a part of the memory space for storing the data of the second carrier.
  • the communication module no longer applies for the memory space corresponding to the second carrier.
  • the memory space corresponding to the second carrier is used to store data of the second carrier.
  • the communication module receives the second carrier deactivation information.
  • the second carrier deactivation information is used to instruct the second carrier to deactivate.
  • the communication module releases the memory space used to store the data of the second carrier.
  • the communication module receives the first carrier deactivation information.
  • the first carrier deactivation information is used to instruct the first carrier to deactivate.
  • the communication module releases the memory space used to store the data of the first carrier.
  • the communication module can apply for and release the memory space in a similar manner.
  • the memory needs of the communication module are closely related to the transmission of services.
  • Receiving carrier activation information is a sign that the terminal can receive a large amount of data services, and it also means that the communication module may require a large amount of memory instantly.
  • the requirements for memory space between different carriers are independent of each other, so the memory space used to store the data of each carrier can be managed separately.
  • the carrier capability parameters of the carrier may include carrier parameters configured by the base station and product specifications of the terminal. According to the carrier capability parameters of the carrier, the maximum memory space used to store the data of each carrier can be calculated.
  • FIG. 11 is a schematic structural diagram of a memory management apparatus 1100 provided by an embodiment of the present application.
  • the memory management device 1100 includes a transceiver module 1110, a determination module 1120, and an application module 1130.
  • the transceiver unit 1110 is configured to receive MAC PDU activation information sent by the base station, where the MAC PDU activation information is used to indicate activation of the first carrier;
  • the determining unit 1120 is configured to determine the carrier capability parameter of the first carrier
  • the determining unit 1120 is further configured to determine the first HARQ memory space requirement according to the carrier capability parameter of the first carrier;
  • the application unit 1130 is configured to apply for memory space according to the first HARQ memory space requirement, where the memory space is used to store data carried by the first carrier.
  • the time difference between the received MAC PDU activation information and the requested memory space is less than or equal to a preset value.
  • the determining unit 1120 is configured to: determine the maximum memory space requirement corresponding to the first carrier according to the carrier capability parameter of the first carrier; according to the maximum memory space requirement corresponding to the first carrier and a preset first ratio The product of, determines the first HARQ memory space requirement.
  • the carrier capability parameter of the first carrier includes at least one of the following parameters: the number of antennas corresponding to the first carrier, the number of HARQ processes of the first carrier hybrid automatic repeat request, the number of the first carrier The sub-carrier spacing of a carrier and the frequency of the first carrier.
  • the maximum memory space requirement corresponding to the first carrier is N times the maximum memory space requirement of the HARQ process, and N is the number of HARQ processes of the first carrier.
  • the transceiver unit 1110 is further configured to: receive MAC PDU deactivation information, where the MAC PDU deactivation information is used to instruct to deactivate the first carrier.
  • the memory management apparatus 1100 further includes a release module, which is used to release the memory space used to store the data carried by the first carrier according to the MAC PDU deactivation information.
  • FIG. 12 is a schematic structural diagram of a memory management apparatus 1200 provided by an embodiment of the present application.
  • the memory management apparatus 1200 may include: at least one processor 1210 and a communication interface 1220.
  • the communication interface 1220 may be used for the memory management apparatus 1200 to exchange information with other devices.
  • a program instruction is executed on the at least one processor 1210
  • the memory management device 1200 implements each step or method or operation or function executed by the memory management device described above.
  • FIG. 13 is a schematic structural diagram of a memory management device provided by an embodiment of the present application.
  • the memory management device 1300 includes a communication module 1310 and a memory management module 1320.
  • the communication module 1310 is configured to receive media access control MAC protocol data unit PDU activation information sent by the base station, where the MAC PDU activation information is used to indicate activation of the first carrier.
  • the communication module 1310 is further configured to determine the carrier capability parameter of the first carrier.
  • the communication module 1310 is further configured to determine the first hybrid automatic repeat request HARQ memory space requirement according to the carrier capability parameter of the first carrier.
  • the communication module 1310 is further configured to apply for memory space from the memory manager according to the first HARQ memory space requirement, where the memory space is used to store data carried by the first carrier.
  • the memory management module 1320 is used to allocate the memory space.
  • the time difference between the received MAC PDU activation information and the requested memory space is less than or equal to a preset value.
  • the communication module 1310 is configured to: determine the maximum memory space requirement corresponding to the first carrier according to the carrier capability parameter of the first carrier; according to the maximum memory space requirement corresponding to the first carrier and a preset first ratio The product of, determines the first HARQ memory space requirement.
  • the carrier capability parameter of the first carrier includes at least one of the following parameters: the number of antennas used to receive the first carrier, the number of HARQ processes of the first carrier hybrid automatic repeat request, and The bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the frequency of the first carrier.
  • the maximum memory space requirement corresponding to the first carrier is N times the maximum memory space requirement of the HARQ process, where N is the number of HARQ processes of the first carrier, and the maximum memory space requirement of the HARQ process is based on at least one of the following The parameters are determined: the number of antennas used to receive the first carrier, the bandwidth of the first carrier, the subcarrier spacing of the first carrier, and the frequency of the first carrier.
  • the communication module 1310 is further configured to receive MAC PDU deactivation information, where the MAC PDU deactivation information is used to instruct to deactivate the first carrier.
  • the communication module 1310 is configured to release the memory space according to the MAC PDU deactivation information.
  • the communication module 1310 is configured to notify the memory management module of the release of the memory space.
  • An embodiment of the present application also provides a terminal device, which includes the aforementioned memory management device.
  • An embodiment of the present application also provides a computer program storage medium, which is characterized in that the computer program storage medium has program instructions, and when the program instructions are executed by a processor, the processor executes the memory management method described above.
  • An embodiment of the present application further provides a chip system, characterized in that the chip system includes at least one processor, and when the program instructions are executed in the at least one processor, the at least one processor is caused to execute the above Memory management method.
  • At least one refers to one or more
  • multiple refers to two or more.
  • And/or describes the association relationship of the associated objects, indicating that there can be three types of relationships, for example, A and/or B, which can mean that A exists alone, A and B exist at the same time, and B exists alone. Among them, A and B can be singular or plural.
  • the character “/” generally indicates that the associated objects are in an “or” relationship.
  • “The following at least one item” and similar expressions refer to any combination of these items, including any combination of single items or plural items.
  • At least one of a, b, and c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, and c may be single or multiple.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disk and other media that can store program code .

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请提供了一种内存管理的方法，包括：接收MAC PDU激活信息，所述MAC PDU激活信息用于指示激活第一载波；根据所述第一载波的载波能力参数，确定第一HARQ内存空间需求；根据所述第一HARQ内存空间需求，向内存管理单元申请内存空间，所述内存空间用于存储所述第一载波承载的数据。根据该方法，可以对不同载波的内存空间分别进行管理。根据接收的载波的能力参数，申请内存空间，可以在保证不影响业务的情况下，提高内存资源利用率。

Description

一种内存管理的方法和装置、终端设备 技术领域
本申请涉及存储领域，具体涉及一种内存管理的方法和装置、终端设备。
背景技术
终端采用混合自动重传请求(hybrid automatic repeat request，HARQ)技术进行业务传输时，将接收到的错误数据包保存在存储内存中，与重传的数据包合并在一起进行译码，提高了传输效率。终端对接收的业务数据进行译码需要占用一定的内存空间，用于存储错误数据包。终端中的通信模块可以向控制器申请用于进行数据译码的内存空间。控制器为通信模块分配的内存，终端中的其他模块不能复用。在不对业务流程造成影响的情况下，如何为通信模块分配内存空间，对内存的利用率有着很大的影响。
发明内容
本申请提供一种内存管理的方法和装置，能够在保证业务传输的同时，实现内存空间的高利用率。
第一方面，提供一种内存管理的方法，包括：接收基站发送的MAC PDU激活信息，所述MAC PDU激活信息用于指示激活第一载波；确定所述第一载波的载波能力参数；根据所述第一载波的载波能力参数，确定第一HARQ内存空间需求；根据所述第一HARQ内存空间需求，向内存管理单元申请内存空间，所述内存空间用于存储所述第一载波承载的数据。
在接收用于指示激活第一载波的MAC PDU激活信息后，通信模块根据第一载波的载波能力参数确定申请的内存空间的大小，申请的内存空间用于存储第一载波承载的数据。由于申请的内存空间不能被终端的其他模块复用，根据第一载波的载波能力参数确定申请的内存空间的大小，可以减小对内存空间的浪费，提高内存空间的利用率，同时不影响业务的传输。
结合第一方面，在一种可能的实现方式中，所述接收MAC PDU激活信息与所述申请内存空间的时间差小于或等于预设值。
在接收用于指示激活第一载波的MAC PDU激活信息后，随时可能有业务传输。在接收MAC PDU激活信息后，立即申请内存空间，可以避免内存空间不足影响业务传输。
结合第一方面，在一种可能的实现方式中，所述根据所述第一载波的载波能力参数，确定第一HARQ内存空间需求，包括：根据所述第一载波的所述载波能力参数，确定第一载波对应的最大内存空间需求；根据第一载波对应的最大内存空间需求与预设第一比例的乘积，确定所述第一HARQ内存空间需求。
根据第一载波对应的最大内存空间需求的比例申请内存空间，可以实现内存空间的高利用率。通过对预设第一比例的合理设置，可以提高内存空间的利用率，同时不影响业务 的传输。
结合第一方面，在一种可能的实现方式中，所述第一载波的所述载波能力参数包括以下至少一种参数：用于接收所述第一载波的天线数量，所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
结合第一方面，在一种可能的实现方式中，所述第一载波对应的最大内存空间需求是HARQ进程最大内存空间需求的N倍，N为所述第一载波的HARQ进程数，所述HARQ进程最大内存空间需求根据以下至少一种参数确定：用于接收所述第一载波的天线数量、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
结合第一方面，在一种可能的实现方式中，所述方法发还包括：接收MAC PDU去激活信息，所述MAC PDU去激活信息用于指示去激活所述第一载波；根据所述MAC PDU去激活信息，释放所述内存空间。
第二方面，提供一种内存管理的装置，包括收发单元，确定模块，申请模块，收发单元用于，接收基站发送的MAC PDU激活信息，所述MAC PDU激活信息用于指示激活第一载波；确定单元用于，根据所述第一载波的载波能力参数，确定第一HARQ内存空间需求；申请单元用于，根据所述第一HARQ内存空间需求，向内存管理单元申请内存空间，所述内存空间用于存储所述第一载波承载的数据。
结合第二方面，在一种可能的实现方式中，所述接收MAC PDU激活信息与所述申请内存空间的时间差小于或等于预设值。
结合第二方面，在一种可能的实现方式中，确定单元用于：根据所述第一载波的所述载波能力参数，确定第一载波对应的最大内存空间需求；根据第一载波对应的最大内存空间需求与预设第一比例的乘积，确定所述第一HARQ内存空间需求。
结合第二方面，在一种可能的实现方式中，所述第一载波的所述载波能力参数包括以下至少一种参数：用于接收所述第一载波的天线数量、所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
结合第二方面，在一种可能的实现方式中，所述第一载波对应的最大内存空间需求是HARQ进程最大内存空间需求的N倍，N为所述第一载波的HARQ进程数，所述HARQ进程最大内存空间需求根据以下至少一种参数确定：用于接收所述第一载波的天线数量、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
结合第二方面，在一种可能的实现方式中，收发单元还用于：接收MAC PDU去激活信息，所述MAC PDU去激活信息用于指示去激活所述第一载波；内存管理的装置还包括释放模块，释放模块用于根据所述MAC PDU去激活信息，释放所述用于存储所述第一载波承载的数据的内存空间。
第三方面，提供一种内存管理的装置，包括至少一个处理器和通信接口，所述通信接口可用于所述内存管理的装置与其他装置进行信息交互，当程序指令在所述至少一个处理器中执行时，使得所述内存管理的装置实现前文中的内存管理的装置执行的方法。
第四方面，提供一种内存管理的装置，包括通信模块、内存管理模块；所述通信模块用于，接收基站发送的介质访问控制MAC协议数据单元PDU激活信息，所述MAC PDU激活信息用于指示激活第一载波；所述通信模块还用于，确定所述第一载波的载波能力参数；所述通信模块还用于，根据所述第一载波的载波能力参数，确定第一混合自动重传请 求HARQ内存空间需求；所述通信模块还用于，根据所述第一HARQ内存空间需求，向所述内存管理器申请内存空间，所述内存空间用于存储所述第一载波承载的数据；所述内存管理模块用于，分配所述内存空间。
结合第四方面，在一种可能的实现方式中，所述接收MAC PDU激活信息与所述申请内存空间的时间差小于或等于预设值。
结合第四方面，在一种可能的实现方式中，所述通信模块用于：根据所述第一载波的所述载波能力参数，确定第一载波对应的最大内存空间需求；根据第一载波对应的最大内存空间需求与预设第一比例的乘积，确定所述第一HARQ内存空间需求。
结合第四方面，在一种可能的实现方式中，所述第一载波的所述载波能力参数包括以下至少一种参数：用于接收所述第一载波的天线数量、所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
结合第四方面，在一种可能的实现方式中，所述第一载波对应的最大内存空间需求是HARQ进程最大内存空间需求的N倍，N为所述第一载波的HARQ进程数，所述HARQ进程最大内存空间需求根据以下至少一种参数确定：用于接收所述第一载波的天线数量、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
结合第四方面，在一种可能的实现方式中，所述通信接口还用于，接收MAC PDU去激活信息，所述MAC PDU去激活信息用于指示去激活所述第一载波；所述通信模块用于，用于根据所述MAC PDU去激活信息，释放所述内存空间；所述通信模块用于，通知所述内存管理模块所述内存空间的释放。
第五方面，提供一种终端设备，其包括前述的内存管理的装置。
第六方面，提供一种计算机程序存储介质，其特征在于，所述计算机程序存储介质具有程序指令，当所述程序指令被处理器执行时，使得处理器执行前文中所述的内存管理方法。
第七方面，提供一种芯片系统，其特征在于，所述芯片系统包括至少一个处理器，当程序指令在所述至少一个处理器中执行时，使得所述至少一个处理器执行前文中所述的内存管理方法。
附图说明
图1是终端的装置结构示意图
图2是一种静态内存管理的方法的示意性流程图。
图3是静态内存管理方式下内存的分配和使用情况的示意图。
图4是一种动态内存管理的方法的示意性流程图。
图5是动态内存管理方式下内存的分配和使用情况的示意图。
图6是动态内存管理方式下的需要内存和分配内存情况的示意图。
图7是本申请一个实施例提供的一种内存管理的方法的示意性流程图。
图8是本申请实施例提供的内存管理的方法的内存的分配和使用情况的示意图。
图9是本申请另一个实施例提供的一种内存管理的方法的示意性流程图。
图10是本申请有一个实施例提供的一种内存管理的方法的示意性流程图。
图11是本申请一个实施例提供的一种内存管理的装置的示意性结构图。
图12是本申请另一个实施例提供的一种内存管理的装置的示意性结构图。
图13是本申请又一个实施例提供的一种内存管理的装置的示意性结构图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通信(global system for mobile communications，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(wideband code division multiple access，WCDMA)系统、通用分组无线业务(general packet radio service，GPRS)、长期演进(long term evolution，LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)、通用移动通信系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信系统、未来的第五代(5th generation，5G)系统或新无线(new radio，NR)等。
图1是终端的装置示意图。终端的主芯片中一般包含多个子系统。这些子系统在运行时，一般需要利用到存储器进行软件程序和数据的存储。存储器包括内存储器，内存储器也称为内部存储器或内存。主芯片可以包括一个或多个处理器。主芯片的这些子系统会共用内存空间。内存可以是双倍传输速率(double data rate，DDR)配置的。通信模块是多个子系统中的一个，通信模块可以称为调制解调器(modem)。
终端接收基站发送的业务数据。基带处理器(baseband processor，BBP)用于对数据进行译码，会为占用一块很大的内存空间。通信模块可以为BBP申请内存空间。通信模块也可以称为内存管理的装置。BBP需要的内存空间也可以理解为通信模块需要的内存空间。控制器为BBP分配内存空间，可以理解为控制器给通信模块分配内存空间，该内存空间其他模块不能复用。因此，如何为通信模块分配内存空间，对内存的使用效率有着很大的影响。
终端也可称为用户设备(user equipment，UE)。终端可以经基站与一个或多个核心网(core network，CN)进行通信。终端有时也可称为接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、无线网络设备、用户代理或用户装置。终端可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless localloop，WLL)站、个人数字处理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它设备、车载设备、可穿戴设备或物联网、车联网中的终端设备以及未来网络中的任意形态的终端设备等。
基站可用于将终端接入无线接入网络(radio access network，RAN)。因此，基站有时也可称为接入设备、接入网设备或接入网节点。可以理解的是，采用不同无线接入技术的系统中，具备基站功能的设备的名称可能会有所不同。为方便描述，本申请实施例将为终端提供无线通信接入功能的装置统称为基站。基站例如可以是长期演进(long term evolution，LTE)中的演进型节点B(evolved node B，eNB)，也可以是第五代(fifth generation，5G)移动通信系统中的下一代基站节点(next generation node base station，gNB)。基站可以是宏基站，也可以是微基站。基站也可以是具有无线接入功能的路侧设备或某个终端。 在本申请实施例中，将能够实现本申请实施例中接入网设备侧所涉及的功能的设备统称为基站。
终端在接收业务数据后，BBP在对该数据进行译码时需要内存空间来存储译码信息。该内存可以是DDR内存。BBP对数据进行译码需要的内存空间，可以通过通信模块向控制模块申请。通信模块的功能可以通过处理器实现。例如，通过数字信号处理器(digital signal processor，DSP)实现通信模块的功能。该控制模块可以是内存访问加速器(memory access accelerator，MAA)控制器。该控制模块可以用于内存管理，也可以称为内存管理模块。可以通过处理器实现该内存管理模块的功能。MAA控制器可以将分配的内存地址存储在内存储器中，之后通信模块将可用的该内存地址指示给BBP。因此，BBP需要的内存空间也可以认为是通信模块。控制器为BBP分配的内存空间，也可以理解为控制器为通信模块分配的内存空间。BBP可以对数据进行译码。包含该内存空间的存储器可以用于上述通信过程中数据的存储，还可以用于终端设备运行过程中其他数据的存储，如应用程序等产生的数据的存储。第五代(5th generation，5G)移动通信协议在资源调度上更加灵活，申请的大小和时机决定终端的存储如何分配，不合适的申请，会造成资源的极大浪费。
图2是一种静态内存管理的方法。终端上电，MAA控制器为通信模块立即分配专用内存空间，专用内存空间的大小为译码需要的最大内存空间的大小。这是对于内存空间的一种静态使用方式。当前终端对数据进行译码需要的最大内存空间，决定了分配给通信模块的内存空间。根据单载波即成员载波(component carrier，CC)进行译码的最大内存空间需求和终端支持的载波聚合数，确定相应的内存倍数。例如，对于5G单载波的最大内存空间需求是22.5MB，则载波聚合数乘以22.5MB即为通信模块分配的内存存储空间。
图3是静态内存管理方式下内存的分配和使用情况的示意图。在这种静态内存管理方式下，不区分业务场景，按照最大需求进行内存分配，分配内存空间作为专用的内存空间，其他模块不能使用，存在对内存资源的极大浪费。终端上电后，在无数据传输的场景下，不需要占用内存空间，因此可以在终端上电后的一段时间之后为通信模块分配内存，此时分配内存空间的时间点，也极大程度影响内存资源的利用率。
图4是一种动态内存管理的方法。终端上电后，MAA控制器根据通信模块使用的内存实时的分配和回收内存空间。需要通信模块根据业务场景，实时向MAA控制器发送申请和释放内存的请求。
图5是动态内存管理方式下内存的分配和使用情况的示意图。流量大时，才会使用大量内存，能够减小资源的浪费。但是，动态内存管理方式的调度间隔相对较小，通信模块向MAA控制器频繁发送申请和释放内存的请求，频繁的信息交互，增加MAA控制器处理信息的时间，占用处理器的较多资源。
图6是动态内存管理方式下的需要内存和分配内存情况的示意图。通信模块向MAA控制器发送消息，造成一部分时间开销。因此，动态内存管理方式可能因为资源申请不及时，从而影响通信业务。5G的数据调度很灵活，通信模块短时间内内存的需求量可能急剧增加。从MAA控制器接收通信模块发送的内存空间申请，到MAA控制器向通信模块分配内存空间，这两个步骤之间存在一定的时间差。在这段时间差内，由于分配的内存空间的限制，BBP无法对部分业务进行处理。因此，动态内存管理方式无法保证及时提供足 够的内存，进而会对业务造成影响。
控制器为通信模块分配的内存，其他模块不能复用。静态内存管理方法造成的资源的浪费；动态内存管理方法不能及时提供足够的内存影响业务流程，通信模块与控制器之间频繁的交互造成资源的浪费。内存申请过多，造成了内存浪费；内存申请太少，需要频繁申请内存空间，从而造成性能损失。
为了解决内存资源如何合理分配的问题，本申请提出了一种内存管理的方法。在保证不影响业务的情况下，提高内存资源利用率。
图7是本申请实施例提出的一种内存管理的方法。步骤S701-S703可以由通信模块执行。
在步骤S701，接收基站发送的介质访问控制(media access control，MAC)协议数据单元(protocol data unit，PDU)激活信息，所述MAC PDU激活信息用于指示激活第一载波。
第一载波是该基站发送的。在基站发送MAC PDU激活信息之后，基站通过第一载波传输数据。MAC PDU激活信息的发送，是基站通过第一载波发送数据的起点。在MAC PDU激活信息发送后，基站随时可能发送数据。也就是说，通信模块在接收MAC PDU激活信息之后，随时可能接收该基站发送的数据。
在步骤S702，确定所述第一载波的载波能力参数。
第一载波的载波能力参数可以表示第一载波承载数据的能力。第一载波的载波能力参数可以包括以下信息中的至少一种：用于接收所述第一载波的天线数量，所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔(subcarrier spacing，SCS)、第一载波的频点。第一载波对应的天线数量可以是发送第一载波的设备中用于发送第一载波的天线数量。接收第一载波的设备，即终端设备，用于接收第一载波的天线数量与基站用于发送第一载波的天线数量可以相等或不相等。第一载波的频点即第一载波的频率，可以用于确定第一载波为高频或低频。
第一载波的载波能力参数与第一载波能够承载的最大数据量有关。第一载波的载波能力参数可以反映第一载波对应的最大内存空间大小。
在步骤S702之前，进一步地，在步骤S701之前，可以接收该基站发送的第一载波配置信息，第一载波配置信息可以包括载波能力参数中的部分信息。第一载波配置信息可以包括以下信息中的至少一种：所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔(subcarrier spacing，SCS)、第一载波的频点。
如果在步骤S702，通信模块确定用于接收第一载波的天线数量，则第一载波的载波能力参数可以包括用于接收第一载波的天线数量。通信模块可以通过终端设备配置，确定用于接收第一载波的天线数量。
通信模块可以根据第一载波配置信息和/或终端设备的配置，确定第一载波的载波能力参数。第一载波的载波能力参数可以包括第一载波配置信息中的全部或部分信息，第一载波的载波能力参数可以包括终端设备配置的用于接收第一载波的天线数量。
在步骤S703，根据所述第一载波的载波能力参数，确定第一HARQ内存空间需求。
根据第一载波的载波能力参数，可以确定第一HARQ内存空间需求。内存空间可以用于存储第一载波承载的数据。第一HARQ内存空间需求可以是申请的内存空间的大小。 根据第一HARQ内存空间需求申请的内存空间可以用于HARQ方式的数据传输过程中数据的存储。
例如，根据第一载波的载波能力参数，可以确定第一载波对应的最大内存空间需求。根据第一载波对应的最大内存空间需求与预设第一比例的乘积，可以确定所述第一HARQ内存空间需求。
第一载波对应的最大内存空间需求可以理解为第一载波的最大内存空间需求，是接收第一载波承载的数据可能占用的最大的内存空间。
根据第一载波的载波能力参数，可以计算第一载波对应的最大内存空间需求，即第一载波的最大内存空间需求。
随着用于接收第一载波的天线的个数，即第一载波的接收天线个数的增加，第一载波对应的最大内存空间需求增大。其他参数不变，N个接收天线用于接收第一载波时的最大内存空间需求，是1个接收天线时最大内存空间需求的N倍。如果第一载波的载波能力参数不包括用于接收第一载波的天线数，则可以根据终端可以用于接收第一载波的最大天线数确定第一载波时的最大内存空间需求。
随着最大的支持HARQ进程数的增加，第一载波对应的最大内存空间需求增大。其他参数不变，M个HARQ进程数的第一载波对应的最大内存空间需求是一个HARQ进程最大内存空间需求的M倍。如果第一载波的载波能力参数不包括HARQ进程数，则可以根据第一载波可能包括的HARQ进程数的最大值确定第一载波对应的最大内存空间需求。
随着第一载波的带宽的增加，第一载波对应的最大内存空间需求增大。不同的第一载波的子载波间隔对于第一载波对应的最大内存空间需求也会产生影响。而不同的第一载波的频点，对应于第一载波可能的子载波间隔不同。
目前，子载波间隔为30kHz、60kHz、120kHz的载波可以用于译码。对子载波间隔分别为30kHz、60kHz、120kHz的载波进行译码，SCS为30kHz对应的最大内存空间需求最大，SCS为120kHz对应的最大内存空间需求最小。
根据子载波间隔的不同，1个子帧中的时隙(slot)个数变化。对于30kHz的载波，1个子帧中的时隙数量为10，60kHz为40，120kHz为80。随着子载波间隔的增加，一个子帧中的时隙数量增加。一个时隙对应于一个传输块的传输。对于LTE系统、5G系统，一个子帧为1毫秒，一个子帧内的时隙数量增加，导致每个时隙的时间减小，一个传输块占用的最大内存空间减小。参见协议《第三代合作项目(3rd generation partnership project，3GPP)技术规范(technical specification，TS)38.214》第5.1.3.2节传输块需求的确定(transport block size determination)，根据子载波间隔、带宽等，可以确定传输块的最大值。通过HARQ方式进行数据传输，是对接收错误的传输块进行重传。也就是说，对于一个HARQ进程，最大的内存空间需求为存储一个传输块最大占用的内存空间。
例如，对于200MHz的载波，1天线接收的情况，子载波间隔为30kHz时，存储一个传输块的数据最大占用1440kB内存，一个HARQ进程最大的内存空间需求为1440kB。而对于子载波间隔为60kH的情况一个HARQ进程最大的内存空间需求为540MB，子载波间隔120kHz的一个HARQ进程最大的内存空间需求为270MB。
终端设备可以接收高频或低频的载波。高频情况下，子载波间隔可以是60kHz或120kHz等。低频情况下，子载波间隔可以是15kHz，30kHz或60kHz等。载波分别为高 频和低频情况下，最大支持的CC数量不同，子载波间隔也不同。因此，通过第一载波的频率，根据该频率支持的第一载波的子载波间隔，可以确定第一载波的最大内存空间需求。即，根据第一载波的频点，可以确定子载波间隔的子载波间隔的范围，从而确定第一载波的最大内存空间需求。也就是说，高频情况下可以根据子载波间隔为60kHz的载波申请内存空间，低频情况下可以根据子载波间隔为30kHz的载波申请内存空间。
高频情况下，最大支持4个单载波的传输。低频情况下，最大支持2个单载波的传输。在一些实施例中，第一载波的频率为6GHz或高于6GHz时第一载波为高频载波，第一载波的频率低于6GHz时第一载波为低频载波。
在第一载波的载波能力参数包括用于接收所述第一载波的天线数量、所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔、第一载波的频点中的部分参数的情况下，可以根据该部分参数，以及导致内存空间需求最大的其他参数，确定第一载波对应的最大内存空间需求。
例如，第一载波的载波能力参数仅包括：所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽。此时，根据终端设备能够接受的载波对应于最大内存空间需求最大情况的其他参数，即最小的子载波间隔，和终端设备能够用于接收该载波的最多天线数量，确定第一载波对应的最大内存空间需求。
通信模块不同业务场景下使用的内存区别很大。不同的载波的最大内存空间需求有很大差异。终端在不同的载波能力参数情况下，针对单个CC需要的内存是不同的。例如，对于SCS为30kHz、支持16进程、天线4发4收的载波，通信模块一个HARQ进程的最大内存空间需求为1.4MB，CC最大内存空间需求为22.5MB。接收CC激活信息后，首次向控制器申请内存可以称为初始申请。如果初始申请的内存空间为CC最大内存空间需求的一半，则初始申请的内存为11.25MB。对于SCS为120kHz，支持16进程，天线2发2收的载波，通信模块最大需要内存为5.6MB，初始申请的内存可以是2.8MB。
影响载波最大内存空间需求的因素主要有以下几种：接收天线个数、SCS、最大的支持HARQ进程数，频点等。根据这些参数中的一个或多个可以计算载波的最大内存空间需求。其中，随着接收天线个数、最大的支持HARQ进程数的增加，载波的最大内存空间需求增大。
第一HARQ内存空间需求可以是第一载波对应的最大内存空间需求乘以预设比例。第一载波可以包括多个HARQ进程，第一载波对应的最大内存空间需求可以等于第一载波中的单个HARQ进程最大内存空间需求乘以第一载波的HARQ进程数。第一载波中的HARQ进程最大内存空间需求可以是HARQ进程对应的最大内存空间需求，即接收一个HARQ进程的数据可能占用的最大内存空间需求。也就是说，第一载波对应的最大内存空间需求是HARQ进程最大内存空间需求的N倍，N为第一载波的HARQ进程数。等于可以是近似等于，即可以是约等于。
在步骤S704，根据所述第一HARQ内存空间需求，申请内存空间，所述内存空间用于存储第一载波承载的数据。
通信模块可以向控制模块申请内存空间。通信模块可以根据第一HARQ内存空间需求，申请用于存储第一载波承载的数据的内存空间。控制模块可以根据第一HARQ内存空间需求，向通信模块分配内存空间。该内存空间需求可以是第一HARQ内存空间需求。 该内存空间可以用于存储所述第一载波承载的数据。
存储在内存空间的第一载波承载的数据可以包括第一载波承载的原始数据，也可以包括对第一载波承载的数据进行译码产生的数据等根据第一载波获得的数据。
可选地，在接收MAC PDU激活信息后，通信模块可以申请用于存储所述第一载波承载的数据的内存空间。通信模块可以向控制器申请内存空间，该控制器例如可以是MAA控制器。接收到第一指示消息后，通信模块可能随时会接收大规模数据业务。在接收MAC PDU激活信息后，通信模块立即申请用于存储所述第一载波承载的数据的内存空间，可以准备足够的内存资源，避免因为申请内存空间不及时影响业务接收和处理。即，通信模块接收MAC PDU激活信息与申请内存空间的时间差可以小于或等于预设值。第一HARQ内存空间需求可以是第一载波对应的最大内存空间需求乘以预设比例，例如，第一HARQ内存空间需求可以是第一载波对应的最大内存空间需求的一半。
可选地，在接收MAC PDU激活信息后，当用于存储所述第一载波承载的数据的内存空间的占用比例达到第一预设值。第一HARQ内存空间需求可以是第一载波对应的最大内存空间需求乘以预设比例，例如，第一HARQ内存空间需求可以是单个HARQ进程的最大内存空间需求的整数倍。第一预设值可以是一个大于0且小于1的值。
可选地，在接收MAC PDU激活信息后，当用于存储所述第一载波承载的数据的内存空间中未占用的内存空间小于第二预设值，通信模块可以根据所述第一HARQ内存空间需求，申请用于存储所述第一载波承载的数据的内存空间。第一HARQ内存空间需求可以是第一载波对应的最大内存空间需求乘以预设比例，例如，第一HARQ内存空间需求可以是单个HARQ进程的最大内存空间需求的整数倍。第二预设值可以是预设的内存空间需求。
可选地，在接收MAC PDU激活信息后，当用于存储所述第一载波承载的数据的内存空间的占用比例小于第三预设值，或用于存储所述第一载波承载的数据的内存空间中未占用的内存空间小于第四预设值，通信模块可以根据所述第一HARQ内存空间需求，释放用于存储所述第一载波承载的数据的内存空间。第一HARQ内存空间需求可以是第一载波对应的最大内存空间需求乘以预设比例，例如，第一HARQ内存空间需求可以是单个HARQ进程的最大内存空间需求的整数倍。第三预设值可以是一个大于0且小于1的值。第四预设值可以是预设的内存空间大小。
可选地，为了保证业务的接收，在接收MAC PDU激活信息后，用于存储所述第一载波承载的数据的内存空间大于第五预设值。第五预设值可以是通信模块对应于第一载波的首测申请的第一HARQ内存空间需求。
可选地，在步骤S703之后，通信模块还可以接收MAC PDU去激活信息，所述MAC PDU去激活信息用于指示去激活第一载波；通信模块可以根据所述MAC PDU去激活信息，释放所述内存空间。去激活第一载波可以指停止第一载波上的数据的传输，即不再通过第一载波传输数据。
应当理解，在一些实施例中，MAC PDU激活信息还可以用于指示激活第二载波，通信模块可以根据所述第二载波的载波能力参数，确定第二HARQ内存空间需求。通信模块可以根据所述第二HARQ内存空间需求，申请用于存储第二载波的数据的内存空间。
在一些实施例中，MAC PDU去激活信息还可以用于指示第二载波去激活，通信模块 可以根据所述MAC PDU去激活信息，释放用于存储第二载波的数据的内存空间。
根据本申请实施例提供的内存管理的方法，可以对不同载波的内存空间分别进行管理。通过步骤S701-S703，根据接收的载波的能力参数，申请内存空间，可以在保证不影响业务的情况下，提高内存资源利用率。
终端设备之间进行通信，即设备至设备(device to device，D2D)的场景，也可以参照上述方式，进行内存空间的申请。
图8利用本申请实施例提出的内存管理的方法的情况下内存的分配和使用情况的示意图。
分配的内存空间大小大于或等于实际使用的内存空间大小，可以保证业务的接收。使用内存可能变化范围较大，变化频率较高，但分配的内存空间变化频率相对较低。因此，能够在保证业务接收的情况下，实现内存资源的合理利用，减小信令开销。
可以对采用本申请实施例提供的方法的通信模块进行测试。仪表可以调度MAC PDU激活信息。仪表可以调度数据，模拟通信模块接收业务数据的情况。仪表调度数据的误码可以为固定值或可变值的业务数据。
在接收MAC PDU激活信息之前，通信模块几乎不占用内存资源。在接收MAC PDU激活信息之后，不论是否有数据业务传输，不论是否业务数据的是否存在误码，通信模块占用部分内存资源。则判定通信模块可以是采用本申请实施例提供的方法的通信模块。MAC PDU激活信息用于指示激活第一载波。也就是说，在接收MAC PDU激活信息之前，通信模块占用的内存资源小于预设值。在接收MAC PDU激活信息之后，通信模块可以接收第一载波的业务，通信模块占用部分内存资源可以保证业务的接收。这与静态内存管理方式不同。静态内存管理方式下，不区分业务场景，通信模块占用始终占用大小相同的内存空间，即根据终端设备的配置，通信模块始终占用固定的内存空间。
将仪表的调度数据频度和误码固定，只改变传输块大小(transition block size，Tbsize)的大小，如果通信模块申请的内存的大小没有变化，则判定通信模块可以是采用本申请实施例提供的方法的通信模块。动态内存管理方式中，传输块大小对通信模块需要占用的内存空间产生影响。由于本申请实施例提供的内存管理的方法根据所述载波的载波能力参数申请内存空间，一些情况下通信模块占用的内存空间的变化不会导致申请的内存空间变化，该申请的内存空间用于存储载波数据。例如，通信模块占用的内存空间小于第二预设值，无需再申请内存空间。当改变Tbsize的大小，通信模块占用的内存空间变化，但占用的内存空间仍小于第二预设值，则通信模块申请的内存的大小不发生变化。
将仪表的调度数据频度和传输块大小固定，改变误码状态。增大误码，用于该载波数据存储的内存空间依照载波对应的最大内存空间需求乘以预设比例，即一个内存空间大小单元呈现阶梯状增大，反之阶梯状减少，则通信模块可以是采用本申请实施例提供的方法的通信模块。当内存空间的占用超过预设值，通信模块可以再申请一部分用于存储载波数据的内存空间。当内存空间的占用小于预设值，通信模块可以释放一部分用于存储载波数据的内存空间。每次申请、释放的内存空间的大小可以是载波对应的最大内存空间需求乘以预设比例。例如，每次申请释放的内存空间的大小可以是载波中单个HARQ进程的最大内存空间需求的整数倍。
图9是本申请实施例提出的一种内存管理的方法。图9反映了终端接收单载波的情形。
在第一阶段，终端上电初始化之后，搜网接入某一小区并处于小区驻留的状态。终端处于空闲(idle)态时，通信模块对内存的需求很小。
在第一阶段中，终端所在状态位于上行初始化到空闲态之间，通信模块几乎不需要内存空间。因此，MAA控制器可以给通信模块分配很小的内存空间或不分配内存空间。
在第二阶段，终端处于连接态。以收到第一载波激活信息为分界点，之前通信模块几乎不需要内存空间，之后通信模块可能瞬时需要大量内存空间。
通信模块接收接入网设备发送的第一载波(CC1)激活(active)信息。第一载波激活信息用于激活第一载波。第一载波激活信息可以是介质访问控制(media access control，MAC)协议数据单元(protocol data unit，PDU)激活信息。
通信模块根据第一载波的载波能力参数，计算单个HARQ进程的最大内存空间需求。第一载波的载波能力参数可以包括一下信息中的至少一种：第一载波的HARQ进程数、第一载波的频率，第一载波的子载波间隔(subcarrier spacing，SCS)、第一载波的接收天线个数等。第一载波对应的最大内存空间需求是单个HARQ进程的最大内存空间需求的N倍，N是第一载波的HARQ进程数量。通信模块进行初始申请，根据第一载波对应的最大内存空间需求的比例，向MAA控制器申请内存空间。例如，可以申请按照第一载波对应的最大内存空间需求的一半，申请内存空间。
MAA控制器根据通信模块申请的内存空间的大小，向通信模块分配内存空间。
在第三阶段，终端接收业务数据，即处于数据业务场景。通信模块对MAA控制器分配的内存空间进行管理。通信模块根据第一载波的业务场景申请和释放内存。
如果第一载波的内存空间需求增加，超过已分配的内存空间，或者与已分配的内存空间的差值小于第一阈值时，通信模块进行增补申请。通信模块申请单个HARQ进程的最大内存空间需求的第一预设倍数的内存空间。
如果第一载波的内存空间需求较小，与已分配的内存空间的差值大于第一阈值，通信模块释放内存空间资源。通信模块释放单个HARQ进程的最大内存空间需求的第一预设倍数的内存空间。
对于HARQ技术，可以根据误码确定第一载波的内存空间需求。当第一载波的误码增加，第一载波承载的数据需要更多的内存空间进行数据存储，第一载波的内存空间需求增大。
第四阶段，终端接收接入网设备发送的第一载波去激活(deactive)信息。第一载波去激活信息用于指示去激活所述第一载波。第一载波去激活信息可以是MAC PDU去激活信息。通信模块接收第一载波去激活信息后，释放申请的所有内存资源。
通信模块可以根据第一载波的激活信息，初始申请一部分内存空间，初始申请的内存空间的大小可以是根据第一载波的载波能力参数计算得到。根据第一载波的载波能力参数，可以计算第一载波对应的最大内存空间大小。初始申请的内存空间大小，可以小于第一载波对应的最大内存空间需求。例如初始申请的内存空间大小可以是第一载波对应的最大内存空间需求乘以第一比例。第一比例可以是预设值。通信模块根据业务场景申请和释放内存空间。通信模块可以根据第一载波的去激活信息，释放第一载波的对应的内存空间。
通过上述方式，可以保证内存空间的资源利用率，减小通信模块与MAA控制器之间的信息交互频率，提高终端的性能。
图10是本申请实施例提出的一种内存管理的方法。通信模块内存申请和释放是按照单个载波分开维护的。图10以终端接收两个载波为例进行说明。
第一阶段，通信模块接收第一载波激活(CC1active)信息。第一载波激活信息用于指示第一载波激活。可以根据第一载波的配置，确定第一载波最大内存空间需求，按照第一载波最大内存空间需求的一定比例申请内存空间，用于存储第一载波的数据。MAA控制器可以按照通信模块申请内存空间的大小，分配内存空间。第一载波的配置例如包括第一载波的HARQ进程数、第一载波的带宽、第一载波的SCS、第一载波的频点、第一载波的接收天线个数等。
根据第一载波的载波能力参数，可以计算第一载波对应的最大内存空间需求。第一载波的载波能力参数可以包括一下信息中的至少一种：第一载波的HARQ进程数、第一载波的频率、第一载波的带宽、第一载波的子载波间隔、第一载波的接收天线个数等。
通信模块可以对用于存储第一载波的数据的内存空间的大小进行管理。当内存空间占用大于一定比例，再申请一部分内存空间，用于存储第一载波的数据；当内存空间占用小于一定比例，则释放一部分用于存储第一载波的数据的内存空间。当用于存储第一载波的数据的内存空间达到第一载波最大内存空间需求时，通信模块不再申请内存空间。每次申请或释放的内存空间的大小可以是第一载波对应的最大内存空间需求的预设比例，如第一载波一个HARQ进程内存空间需求的整数倍。
每次释放或再次申请的用于存储第一载波的数据的内存空间的大小，可以是第一载波的单个HARQ进程最大空间需求的倍数。单个HARQ进程最大空间需求可以根据第一载波的频率、第一载波的带宽、第一载波的子载波间隔、第一载波的接收天线个数等中的一个或多个确定。
第二阶段，通信模块接收第二载波激活(CC2 active)信息。第二载波激活信息用于指示第二载波激活。可以根据第二载波的配置，确定第二载波最大内存空间需求，按照第二载波最大内存空间需求的一定比例申请内存空间，用于存储第二载波的数据。MAA控制器可以按照通信模块申请内存空间的大小，分配内存空间。参照第一载波最大内存空间需求确定的方式，可以确定第二载波最大内存空间需求。
根据业务的传输情况，通信模块可以对用于存储第二载波的数据的内存空间的大小进行管理。当内存空间占用大于一定比例，再申请一部分内存空间，用于存储第二载波的数据；当内存空间占用小于一定比例，则释放一部分用于存储第二载波的数据的内存空间。当用于存储第二载波的数据的内存空间达到第二载波最大内存空间需求时，通信模块不再申请第二载波对应的内存空间。第二载波对应的内存空间，用于存储第二载波的数据。
第三阶段，通信模块接收第二载波去激活信息。第二载波去激活信息用于指示第二载波去激活。通信模块释放用于存储第二载波的数据的内存空间。
第四阶段，通信模块接收第一载波去激活信息。第一载波去激活信息用于指示第一载波去激活。通信模块释放用于存储第一载波的数据的内存空间。
对于更多载波的情况，通信模块可以采用类似地方式对内存空间进行申请和释放。通信模块的内存的需要和业务的传输有密切的关系。接收载波激活信息，是终端可以接收大量数据业务的标志点，也意味着通信模块可能瞬间需要大量的内存。不同的载波之间对内存空间的需求是相互独立的，因此对于用于存储各个载波的数据的内存空间可以分别管 理。
载波的载波能力参数可以包括基站配置的载波参数和终端的产品规格。根据载波的载波能力参数，可以计算用于存储每个载波的数据的最大内存空间。
上文中详细描述了根据本申请实施例提供的内存管理的方法，下面将描述本申请实施例提供的内存管理的装置。
图11是本申请实施例提供的一种内存管理的装置1100的示意性结构图。内存管理的装置1100包括收发模块1110，确定模块1120，申请模块1130。
收发单元1110用于，接收基站发送的MAC PDU激活信息，所述MAC PDU激活信息用于指示激活第一载波；
确定单元1120用于，确定所述第一载波的载波能力参数；
确定单元1120还用于，根据所述第一载波的载波能力参数，确定第一HARQ内存空间需求；
申请单元1130用于，根据所述第一HARQ内存空间需求，申请内存空间，所述内存空间用于存储所述第一载波承载的数据。
可选地，所述接收MAC PDU激活信息与所述申请内存空间的时间差小于或等于预设值。
可选地，确定单元1120用于：根据所述第一载波的所述载波能力参数，确定第一载波对应的最大内存空间需求；根据第一载波对应的最大内存空间需求与预设第一比例的乘积，确定所述第一HARQ内存空间需求。
可选地，所述第一载波的所述载波能力参数包括以下至少一种参数：所述第一载波对应的天线数量，所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的子载波间隔、所述第一载波的频率。
可选地，所述第一载波对应的最大内存空间需求是HARQ进程最大内存空间需求的N倍，N为所述第一载波的HARQ进程数。
可选地，收发单元1110还用于：接收MAC PDU去激活信息，所述MAC PDU去激活信息用于指示去激活所述第一载波。内存管理的装置1100还包括释放模块，释放模块用于根据所述MAC PDU去激活信息，释放所述用于存储所述第一载波承载的数据的内存空间。
图12是本申请一个实施例提供的内存管理的装置1200的示意性结构图。内存管理的装置1200可包括：至少一个处理器1210和通信接口1220，所述通信接口1220可用于所述内存管理的装置1200与其他装置进行信息交互，当程序指令在所述至少一个处理器1210中执行时，使得所述内存管理的装置1200实现前文中的内存管理的装置执行的各个步骤或方法或操作或功能。
图13是本申请实施例提供的一种内存管理装置的示意性结构图。内存管理装置1300包括通信模块1310、内存管理模块1320。
通信模块1310用于，接收基站发送的介质访问控制MAC协议数据单元PDU激活信息，所述MAC PDU激活信息用于指示激活第一载波。
通信模块1310还用于，确定所述第一载波的载波能力参数。
通信模块1310还用于，根据所述第一载波的载波能力参数，确定第一混合自动重传 请求HARQ内存空间需求。
通信模块1310还用于，根据所述第一HARQ内存空间需求，向所述内存管理器申请内存空间，所述内存空间用于存储所述第一载波承载的数据。
内存管理模块1320用于，分配所述内存空间。
可选地，所述接收MAC PDU激活信息与所述申请内存空间的时间差小于或等于预设值。
可选地，通信模块1310用于：根据所述第一载波的所述载波能力参数，确定第一载波对应的最大内存空间需求；根据第一载波对应的最大内存空间需求与预设第一比例的乘积，确定所述第一HARQ内存空间需求。
可选地，所述第一载波的所述载波能力参数包括以下至少一种参数：用于接收所述第一载波的天线数量、所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
可选地，所述第一载波对应的最大内存空间需求是HARQ进程最大内存空间需求的N倍，N为所述第一载波的HARQ进程数，所述HARQ进程最大内存空间需求根据以下至少一种参数确定：用于接收所述第一载波的天线数量、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
可选地，通信模块1310还用于，接收MAC PDU去激活信息，所述MAC PDU去激活信息用于指示去激活所述第一载波。通信模块1310用于，用于根据所述MAC PDU去激活信息，释放所述内存空间。通信模块1310用于，通知所述内存管理模块所述内存空间的释放。
本申请实施例还提供一种终端设备，其包括前述的内存管理的装置。
本申请实施例还提供一种计算机程序存储介质，其特征在于，所述计算机程序存储介质具有程序指令，当所述程序指令被处理器执行时，使得处理器执行前文中内存管理的方法。
本申请实施例还提供一种芯片系统，其特征在于，所述芯片系统包括至少一个处理器，当程序指令在所述至少一个处理器中执行时，使得所述至少一个处理器执行前文中的内存管理方法。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
本申请实施例中，“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示单独存在A、同时存在A和B、单独存在B的情况。其中A，B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一项”及其类似表达，是指的这些项中的任意组合，包括单项或复数项的任意组合。例如，a，b和c中的至少一项可以表示：a,b,c,a-b,a-c,b-c,或a-b-c，其中a,b,c可以是单个，也可以是多个。所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元 的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(read-only memory，ROM)、随机存取存储器(random access memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (20)

  1. 一种内存管理的方法，其特征在于，包括：
    接收基站发送的介质访问控制MAC协议数据单元PDU激活信息，所述MAC PDU激活信息用于指示激活第一载波；
    确定所述第一载波的载波能力参数；
    根据所述载波能力参数，确定第一混合自动重传请求HARQ内存空间需求；
    根据所述第一HARQ内存空间需求，向内存管理单元申请内存空间，所述内存空间用于存储所述第一载波承载的数据。
  2. 根据权利要求1所述的方法，其特征在于，所述接收MAC PDU激活信息与所述申请内存空间的时间差小于或等于预设值。
  3. 根据权利要求1或2所述的方法，其特征在于，所述根据所述第一载波的载波能力参数，确定第一HARQ内存空间需求，包括：
    根据所述第一载波的所述载波能力参数，确定第一载波对应的最大内存空间需求；
    根据第一载波对应的最大内存空间需求与预设第一比例的乘积，确定所述第一HARQ内存空间需求。
  4. 根据权利要求1-3中任一项所述的方法，其特征在于，所述第一载波的所述载波能力参数包括以下至少一种参数：
    用于接收所述第一载波的天线数量、所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
  5. 根据权利要求4所述的方法，其特征在于，所述第一载波对应的最大内存空间需求是HARQ进程最大内存空间需求的N倍，N为所述第一载波的HARQ进程数，所述HARQ进程最大内存空间需求根据以下至少一种参数确定：用于接收所述第一载波的天线数量、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
  6. 根据权利要求1-5中任一项所述的方法，其特征在于，所述方法发还包括：
    接收MAC PDU去激活信息，所述MAC PDU去激活信息用于指示去激活所述第一载波；
    根据所述MAC PDU去激活信息，释放所述内存空间。
  7. 一种内存管理的装置，其特征在于，包括：
    接收单元，用于接收基站发送的介质访问控制MAC协议数据单元PDU激活信息，所述MAC PDU激活信息用于指示激活第一载波；
    确定单元，用于确定所述第一载波的载波能力参数；
    所述确定单元还用于，根据所述第一载波的载波能力参数，确定第一混合自动重传请求HARQ内存空间需求；
    申请单元，用于根据所述第一HARQ内存空间需求，向内存管理单元申请内存空间，所述内存空间用于存储所述第一载波承载的数据。
  8. 根据权利要求7所述的装置，其特征在于，所述接收MAC PDU激活信息与所述申请内存空间的时间差小于或等于预设值。
  9. 根据权利要求7或8所述的装置，其特征在于，所述确定单元用于：
    根据所述第一载波的所述载波能力参数，确定第一载波对应的最大内存空间需求；
    根据第一载波对应的最大内存空间需求与预设第一比例的乘积，确定所述第一HARQ内存空间需求。
  10. 根据权利要求7-9中任一项所述的装置，其特征在于，所述第一载波的所述载波能力参数包括以下至少一种参数：
    用于接收所述第一载波的天线数量、所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
  11. 根据权利要求10所述的装置，其特征在于，所述第一载波对应的最大内存空间需求是HARQ进程最大内存空间需求的N倍，N为所述第一载波的HARQ进程数，所述HARQ进程最大内存空间需求根据以下至少一种参数确定：用于接收所述第一载波的天线数量、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
  12. 根据权利要求7-11中任一项所述的装置，其特征在于，
    所述接收单元还用于，接收MAC PDU去激活信息，所述MAC PDU去激活信息用于指示去激活所述第一载波；
    释放单元，用于根据所述MAC PDU去激活信息，释放所述内存空间。
  13. 一种内存管理的装置，其特征在于，包括：通信模块、内存管理模块；
    所述通信模块用于，接收基站发送的介质访问控制MAC协议数据单元PDU激活信息，所述MAC PDU激活信息用于指示激活第一载波；
    所述通信模块还用于，确定所述第一载波的载波能力参数；
    所述通信模块还用于，根据所述第一载波的载波能力参数，确定第一混合自动重传请求HARQ内存空间需求；
    所述通信模块还用于，根据所述第一HARQ内存空间需求，向所述内存管理器申请内存空间，所述内存空间用于存储所述第一载波承载的数据；
    所述内存管理模块用于，分配所述内存空间。
  14. 根据权利要求13所述的装置，其特征在于，所述接收MAC PDU激活信息与所述申请内存空间的时间差小于或等于预设值。
  15. 根据权利要求13或14所述的装置，其特征在于，所述通信模块用于：
    根据所述第一载波的所述载波能力参数，确定第一载波对应的最大内存空间需求；
    根据第一载波对应的最大内存空间需求与预设第一比例的乘积，确定所述第一HARQ内存空间需求。
  16. 根据权利要求13-15中任一项所述的装置，其特征在于，所述第一载波的所述载波能力参数包括以下至少一种参数：
    用于接收所述第一载波的天线数量、所述第一载波的混合自动重传请求HARQ进程数、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
  17. 根据权利要求16所述的装置，其特征在于，所述第一载波对应的最大内存空间需求是HARQ进程最大内存空间需求的N倍，N为所述第一载波的HARQ进程数，所述HARQ进程最大内存空间需求根据以下至少一种参数确定：用于接收所述第一载波的天线数量、所述第一载波的带宽、所述第一载波的子载波间隔、所述第一载波的频率。
  18. 根据权利要求13-17中任一项所述的装置，其特征在于，
    所述通信模块还用于，接收MAC PDU去激活信息，所述MAC PDU去激活信息用于指示去激活所述第一载波；
    所述通信模块用于，用于根据所述MAC PDU去激活信息，释放所述内存空间；
    所述通信模块用于，通知所述内存管理模块所述内存空间的释放。
  19. 一种计算机程序存储介质，其特征在于，所述计算机程序存储介质具有程序指令，当所述程序指令被处理器执行时，使得所述处理器执行如权利要求1至6中任一项所述的方法。
  20. 一种芯片，其特征在于，所述芯片包括至少一个处理器，当程序指令被所述至少一个处理器中执行时，使得所述至少一个处理器执行如权利要求1至6中任一项所述的方法。
PCT/CN2019/086702 2019-05-13 2019-05-13 一种内存管理的方法和装置、终端设备 Ceased WO2020227902A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980014668.2A CN112236962B (zh) 2019-05-13 2019-05-13 一种内存管理的方法和装置、终端设备
PCT/CN2019/086702 WO2020227902A1 (zh) 2019-05-13 2019-05-13 一种内存管理的方法和装置、终端设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/086702 WO2020227902A1 (zh) 2019-05-13 2019-05-13 一种内存管理的方法和装置、终端设备

Publications (1)

Publication Number Publication Date
WO2020227902A1 true WO2020227902A1 (zh) 2020-11-19

Family

ID=73289945

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/086702 Ceased WO2020227902A1 (zh) 2019-05-13 2019-05-13 一种内存管理的方法和装置、终端设备

Country Status (2)

Country Link
CN (1) CN112236962B (zh)
WO (1) WO2020227902A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119045886A (zh) * 2024-10-30 2024-11-29 北京视游互动科技有限公司 针对安卓智能电视运行移植应用程序的内存优化方法、装置及设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113132061B (zh) * 2021-04-23 2022-11-25 展讯通信（上海）有限公司 上行数据发送方法、装置、存储介质及终端
CN116225998B (zh) * 2023-05-10 2023-07-25 国仪量子(合肥)技术有限公司 Dma数据传输系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100005356A1 (en) * 2008-07-07 2010-01-07 Samsung Electronics Co., Ltd. Method and apparatus for combining hybrid automatic repeat request data in wireless communication system
CN105323046A (zh) * 2014-08-04 2016-02-10 中兴通讯股份有限公司 一种辅助小区的混合自动重传请求配置方法及装置
CN109428705A (zh) * 2017-09-01 2019-03-05 中国移动通信有限公司研究院 多载波系统的载波激活方法、设备和计算机可读存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101174931A (zh) * 2006-10-30 2008-05-07 华为技术有限公司 一种重传类型选择方法、相应的发送设备、接收设备及系统
CN101894075B (zh) * 2010-06-29 2015-05-27 华为终端有限公司 Harq内存处理方法及设备
EP2871882B1 (en) * 2012-07-31 2021-10-20 Nokia Technologies Oy Memory allocation method and system, user equipment, and network device
CN105323045A (zh) * 2014-07-30 2016-02-10 中兴通讯股份有限公司 混合自动重传请求缓存区的配置方法及装置
US10979182B2 (en) * 2017-10-30 2021-04-13 Qualcomm Incorporated Managing hybrid automatic repeat request (HARQ) memory for radio tune-away

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100005356A1 (en) * 2008-07-07 2010-01-07 Samsung Electronics Co., Ltd. Method and apparatus for combining hybrid automatic repeat request data in wireless communication system
CN105323046A (zh) * 2014-08-04 2016-02-10 中兴通讯股份有限公司 一种辅助小区的混合自动重传请求配置方法及装置
CN109428705A (zh) * 2017-09-01 2019-03-05 中国移动通信有限公司研究院 多载波系统的载波激活方法、设备和计算机可读存储介质

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119045886A (zh) * 2024-10-30 2024-11-29 北京视游互动科技有限公司 针对安卓智能电视运行移植应用程序的内存优化方法、装置及设备
CN119045886B (zh) * 2024-10-30 2025-01-21 北京视游互动科技有限公司 针对安卓智能电视运行移植应用程序的内存优化方法、装置及设备

Also Published As

Publication number Publication date
CN112236962A (zh) 2021-01-15
CN112236962B (zh) 2022-07-22

Similar Documents

Publication Publication Date Title
US11464000B2 (en) Information indication method, terminal device, and network device
WO2022028311A1 (zh) 一种物理下行控制信道增强方法、通信装置及系统
CN110839284B (zh) 一种调度请求资源确定及配置方法、设备及装置
WO2020094025A1 (zh) 一种上行控制信息的传输方法及装置
WO2019029321A1 (zh) 一种资源分配的方法，终端以及网络设备
WO2018228416A1 (zh) 一种通信方法、网络设备及终端设备
CN110868277B (zh) 信号传输方法、相关装置及系统
CN109996338A (zh) 一种确定bwp状态的方法、设备及系统
WO2020143490A1 (zh) 通信方法及装置
WO2023116403A1 (zh) 一种缓存状态报告发送方法及通信装置
WO2019214523A1 (zh) 一种通信方法及装置
CN108810975A (zh) 用于传输缓存状态报告的方法和装置
WO2020227902A1 (zh) 一种内存管理的方法和装置、终端设备
WO2018171710A1 (zh) 信息的处理方法和设备
CN115835345B (zh) Harq进程的分配方法、装置、基站及存储介质
WO2018228501A1 (zh) 通信方法及装置
CN114375046B (zh) Pucch重复传输方法及相关装置
CN112243296B (zh) 辅小区激活方法及装置
CN115023914A (zh) 信息处理方法及设备
WO2021227703A1 (zh) 传输方法、设备和存储介质
CN111699710B (zh) 一种信息指示方法及相关设备
US20250338311A1 (en) Apparatus, system, and method of low latency traffic
CN114339813B (zh) Mbs业务的传输方法及相关装置
US20250280444A1 (en) Apparatus, system, and method of unavailability state for a multi-link device (mld)
CN113543324B (zh) 一种目标信息发送方法、接收方法和装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19928822

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19928822

Country of ref document: EP

Kind code of ref document: A1