WO2017193675A1 - Procédé et dispositif de planification de ressource de liaison montante - Google Patents

Procédé et dispositif de planification de ressource de liaison montante Download PDF

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Publication number
WO2017193675A1
WO2017193675A1 PCT/CN2017/074971 CN2017074971W WO2017193675A1 WO 2017193675 A1 WO2017193675 A1 WO 2017193675A1 CN 2017074971 W CN2017074971 W CN 2017074971W WO 2017193675 A1 WO2017193675 A1 WO 2017193675A1
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Prior art keywords
terminal
bsr
amount
buffer data
network side
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PCT/CN2017/074971
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English (en)
Chinese (zh)
Inventor
刘路
袁战忠
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中兴通讯股份有限公司
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Publication of WO2017193675A1 publication Critical patent/WO2017193675A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load

Definitions

  • the present invention relates to the field of communications, and in particular to a method and apparatus for scheduling uplink resources.
  • the terminal when the terminal needs to upload data, it needs to send a bandwidth request to the network side device, and five bandwidth requests are provided in the relevant protocol (for example, the DVB-RCS2 protocol of the interactive satellite communication system based on the DVB-RCS2 protocol).
  • the methods are: fixed rate allocation (CRA), rate-based dynamic capacity request (RBDC), dynamic capacity request based on buffer data increment (VBDC), dynamic capacity request based on the absolute amount of buffer data (AVBDC) Free Capacity Allocation (FCA).
  • CRA fixed rate allocation
  • RBDC rate-based dynamic capacity request
  • VBDC dynamic capacity request based on buffer data increment
  • AVBDC dynamic capacity request based on the absolute amount of buffer data
  • FCA Free Capacity Allocation
  • VBDC/AVBDC is generally used as a dynamic capacity request method.
  • the VBDC mode is that the terminal reports the buffer data increment report (abbreviated as the incremental BSR and the BSR to the buffer status report) to the network side device.
  • the AVBDC mode is that the terminal reports the absolute amount of the buffer data (abbreviated as the absolute BSR). Give the network side device.
  • the network side device maintains the buffer data amount of each logical channel according to the BSR type reported by the terminal. Specifically, when the incremental BSR reported by the terminal reports 1000 bytes, the network side device allocates 1000 bytes of uplink resources to the terminal according to the incremental BSR; when the absolute BSR reported by the terminal reports 5000 bytes, the network side The device also allocates 5000 bytes of uplink resources to the terminal according to the absolute BSR.
  • FIG. 1 is a flowchart of a scheduling method of an uplink resource in the related art.
  • the buffer of the terminal receives 1000 bytes of data again.
  • the terminal receives the 5000-byte uplink resource allocated by the network side device. And send 5000 bytes of uplink data to the network side device. At this time, the remaining data amount of the buffer of the terminal is 1000 bytes.
  • the terminal receives the 6000-byte uplink resource allocated by the network side device. Since there is still 1000 bytes remaining in the buffer of the terminal at time t4, it is not enough to transmit the uplink data of the 6000-byte uplink resources allocated by the network side device to the terminal. Therefore, the terminal can only send 1000 bytes of uplink. data.
  • the network side device since the network side device will report according to the terminal The BSR type allocates uplink resources to the terminal.
  • the terminal receives the uplink resources allocated by the network side device the remaining data in the buffer of the terminal may be insufficient to support the uplink resources allocated by the network side device. Therefore, the method in which the network side device allocates the uplink resource to the terminal according to the BSR type reported by the terminal causes a problem that the uplink resource is wasted.
  • the embodiment of the present invention provides a method and a device for scheduling uplink resources, so as to solve at least the problem that the network side device allocates uplink resources to the terminal according to the BSR type reported by the terminal in the related art.
  • a method for scheduling an uplink resource includes: acquiring, by the network side device, a BSR type to which a BSR report of a buffer status report reported by the terminal; the network side device acquiring the BSR type according to the BSR type The amount of the current buffer data of the terminal, the amount of the valid buffer data is obtained; wherein the effective buffer data amount is used to indicate the amount of resources of the uplink resource that the network side device needs to allocate for the terminal; Allocating the uplink resource to the terminal according to the effective buffer data amount.
  • the effective buffer data volume is an absolute quantity of the absolute BSR, and the resource that the network side device has allocated for the terminal but is not valid.
  • the amount of resources that the network side device has allocated but not valid for the terminal is: the network side device has been allocated to the terminal, and when the terminal reports an absolute BSR, the terminal does not have any The amount of resources of the received uplink resource.
  • the effective buffer data amount is a sum of an increment of the incremental BSR and an existing buffer data amount of the terminal;
  • the increment is used to indicate the amount of buffer data corresponding to the delta BSR.
  • the amount of the existing buffer data is: the amount of buffer data of the terminal maintained by the network side device before the incremental BSR is reported by the terminal.
  • the method further includes: updating, according to the resource quantity of the uplink resource, the network maintenance device The amount of buffer data in the terminal.
  • an apparatus for scheduling an uplink resource comprising: an obtaining module, configured to receive a BSR type to which a BSR of a buffer status report reported by the terminal is obtained; and a processing module, configured to obtain according to the BSR type
  • the amount of the current buffer data of the terminal is the amount of the valid buffer data, wherein the effective buffer data amount is used to indicate the amount of resources of the uplink resource that the network side device needs to allocate for the terminal; And being configured to allocate the uplink resource to the terminal according to the valid buffer data amount.
  • the effective buffer data volume is: an absolute quantity of the absolute BSR and the resource that the allocation module has allocated for the terminal but is not valid. Quantity Poor, wherein the absolute amount is used to represent the amount of buffer data corresponding to the absolute BSR.
  • the effective buffer data amount is: a sum of the increment of the incremental BSR and an existing buffer data amount of the terminal; The increment is used to indicate the amount of buffer data corresponding to the delta BSR.
  • the device further includes: an update module, configured to update, according to the resource quantity of the uplink resource, the buffer data amount of the terminal maintained by the network side device.
  • an update module configured to update, according to the resource quantity of the uplink resource, the buffer data amount of the terminal maintained by the network side device.
  • a storage medium is also provided.
  • the storage medium is configured to store the program code for performing the following steps: obtaining a BSR type to which the BSR belongs to the buffer status report reported by the terminal; acquiring the current buffer data amount of the terminal according to the BSR type, and obtaining valid buffer data.
  • the amount of the valid buffer data is used to indicate the amount of resources of the uplink resource that the network side device needs to allocate for the terminal; and allocate the uplink resource to the terminal according to the valid buffer data amount, according to the The amount of resources of the uplink resource is updated, and the amount of buffer data of the terminal is updated.
  • the storage medium is further configured to store program code for performing the following steps: when determining that the type of the BSR is an absolute BSR, the effective buffer data amount is an absolute quantity of the absolute BSR and has been a difference in the amount of resources allocated by the terminal but not in effect, wherein the absolute amount is used to indicate a buffer data amount corresponding to the absolute BSR; when it is determined that the type of the BSR is an incremental BSR, The effective buffer data amount is the sum of the increment of the delta BSR and the existing buffer data amount of the terminal; wherein the increment is used to indicate the buffer data amount corresponding to the delta BSR.
  • the network side device can be solved according to the related art, because the amount of the effective buffer data for indicating that the network side device needs to allocate the uplink resource to the terminal, instead of the buffer data amount determined according to the BSR type, can be solved.
  • the method of allocating the uplink resources of the terminal to the terminal may cause a large problem of wasted uplink resources, and the effect of improving the accuracy of the network side device resource scheduling and the utilization of the uplink resources is achieved.
  • 1 is a flowchart of a scheduling method of an uplink resource in the related art
  • FIG. 2 is a block diagram showing the hardware structure of a computer terminal for scheduling an uplink resource according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for scheduling an uplink resource according to an embodiment of the present invention
  • FIG. 4 is a flowchart of another method for scheduling uplink resources according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of scenario 1 of an uplink resource-based scheduling method according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of scenario 2 of an uplink resource-based scheduling method according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of a scenario 3 of an uplink resource-based scheduling method according to an embodiment of the present invention.
  • FIG. 8 is a structural block diagram of an apparatus for scheduling uplink resources according to an embodiment of the present invention.
  • FIG. 9 is a structural block diagram of another apparatus for uplink resources according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a system for uplink resources according to an embodiment of the present invention.
  • Absolute BSR The amount of data reported by the terminal in the current buffer
  • Incremental BSR The terminal reports the amount of new data sent by the terminal buffer during the last reporting of the incremental BSR to the current time period.
  • FIG. 2 is a hardware structural block diagram of a computer terminal for scheduling an uplink resource according to an embodiment of the present invention.
  • computer terminal 20 may include one or more (only one shown) processor 202 (processor 202 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
  • FIG. 2 is merely illustrative and does not limit the structure of the above electronic device.
  • computer terminal 20 may also include more or fewer components than those shown in FIG. 2, or have a different configuration than that shown in FIG. 2.
  • the memory 204 can be used to store software programs and modules of the application software, such as program instructions/modules corresponding to the scheduling method of the uplink resource in the embodiment of the present invention, and the processor 202 executes by executing the software program and the module stored in the memory 204.
  • Memory 204 can include high speed random access memory and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 204 can further include memory remotely located relative to processor 202, which can be connected to computer terminal 20 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 206 is for receiving or transmitting data via a network.
  • the network specific examples described above may include a wireless network provided by a communication provider of the computer terminal 20.
  • transmission device 206 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • NIC Network Interface Controller
  • the transmission device 206 can be a Radio Frequency (RF) module for communicating with the Internet wirelessly.
  • RF Radio Frequency
  • FIG. 3 is a flowchart of a method for scheduling an uplink resource according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps:
  • Step S302 The network side device acquires the BSR type to which the BSR belongs to the buffer status report reported by the terminal.
  • the scheduling method of the uplink resource provided by the embodiment of the present application may be applicable to multiple communication systems, such as a communication system such as LTE, WIFI, and WCDMA.
  • a communication system such as LTE, WIFI, and WCDMA.
  • the network side device at this time comprises: a primary station in an interactive satellite communication system based on the DVB-RCS2 protocol; the terminal comprises: an end station in an interactive satellite communication system based on the DVB-RCS2 protocol.
  • the above BSR types include: incremental BSR and absolute BSR.
  • Step S304 the network side device acquires the current buffer data amount of the terminal according to the BSR type, and obtains a valid buffer data quantity.
  • the valid buffer data quantity is used to indicate that the network side device needs to be the The amount of resources allocated by the terminal for the uplink resource;
  • the effective buffer data volume is an absolute quantity of the absolute BSR, and the resource that the network side device has allocated for the terminal but is not valid.
  • the difference between the quantities can be calculated by Equation 1:
  • data effectively represents the amount of valid buffer data
  • data absolutely represents the absolute amount of absolute BSR
  • data allocation represents the amount of buffer data allocated by the network side device for the terminal but not valid.
  • the absolute amount of the absolute BSR is used to indicate the amount of buffer data corresponding to the absolute BSR (ie, the amount of data stored in the buffer). For example, the terminal buffers the amount of buffer data of 2500 bytes and reports it to the network side device in an absolute BSR manner.
  • the absolute amount of the absolute BSR is the amount of buffer data reported to the network side device of 2500 bytes.
  • the buffer data amount allocated by the network side device but not valid for the terminal is used to indicate that the network side device has been allocated to the terminal, and when the terminal reports an absolute BSR, the terminal does not receive the received uplink resource. Resources. For example, the terminal also reports a buffer data amount of 2500 bytes before the absolute amount of the absolute BSR is currently reported. The network side device allocates the resource amount of the uplink resource to the terminal according to the previously reported 2500 bytes of buffer data. When the terminal reports the absolute amount of the BSR, the terminal has not received the resource amount of the above 2500 bytes of uplink resources. Then, the resource amount of the 2500-byte uplink resource allocated by the network-side device is the amount of buffer data allocated by the network-side device to the terminal but not valid.
  • the effective buffer data amount is a sum of an increment of the incremental BSR and an existing buffer data amount of the terminal, by using Equation 2 Calculation:
  • the data increment is used to indicate the increment of the incremental BSR, and the data already indicates the amount of the existing buffer data.
  • the increment of the incremental BSR is used to indicate the amount of buffer data corresponding to the incremental BSR. For example, when the terminal reports the incremental BSR to the current time, the amount of the data in the terminal buffer is increased by 2,500 bytes, and is reported to the network side device by means of the incremental BSR. The incremental BSR is reported to the network side device. of 2500 bytes of buffer data amount.
  • the amount of the existing buffer data is used to indicate the buffer data amount of the terminal maintained by the network side device before the incremental BSR is reported by the terminal. Specifically, if the incremental BSR is reported to the terminal for the first time, the amount of buffer data is 0. If the incremental BSR is not reported to the BSR for the first time, the buffered data volume is the buffer of the terminal maintained by the network side device after the network side device allocates the uplink resource to the terminal before the incremental BSR is reported. The amount of data. For example, the terminal also reports a buffer data amount of 2500 bytes before the increment of the incremental BSR is currently reported. After the network side device allocates the above 2500 bytes of uplink resources to the terminal, the buffer data amount of the terminal maintained by the network side device is 0 bytes. Then the amount of buffer data is 0 bytes.
  • Step S306 the network side device allocates the uplink resource to the terminal according to the valid buffer data amount.
  • FIG. 4 is a flowchart of another method for scheduling an uplink resource according to an embodiment of the present invention. As shown in FIG. 4, the process includes steps S302-S306 in FIG. 3, and further includes:
  • Step S402 updating the buffer data amount of the terminal maintained by the network side device according to the resource quantity of the uplink resource.
  • the buffer data amount of the terminal is updated by using Equation 3.
  • the data update indicates the amount of buffer data of the terminal maintained by the updated network side device, and the resource allocates the resource amount of the uplink resource allocated by the network side device for the terminal.
  • the amount of the buffer data of the updated terminal is used to indicate whether the network side device uses all the buffer data reported by the terminal as the uplink resource allocated for the terminal. If the difference is 0, it is proved that the network side device can allocate the uplink resource for all the buffer data reported by the terminal; and if the difference is not 0, it proves that the buffer data amount reported by some terminals is not used by the network side device. Allocate uplink resources. At this time, the network side device sends the resource amount of the uplink resource to the terminal.
  • the terminal reports the BSR twice, but in the actual application, the terminal can report the BSR to the network side device multiple times.
  • FIG. 5 is a flowchart of a scenario 1 of an uplink resource-based scheduling method according to an embodiment of the present invention, which specifically includes:
  • the buffer of the terminal receives another 1000 bytes of data, and the buffer data of the terminal at this time.
  • the network side device determines that the resource amount of the uplink resource that has been allocated but not valid for the terminal is 0.
  • the network side device updates the terminal's buffer data amount to 5000 bytes and allocates 5000 bytes of uplink resources to the terminal.
  • the buffer data amount of the terminal maintained by the network side device is updated to be 0.
  • the terminal receives the 5000-byte uplink resource allocated by the network side device. And send 5000 bytes of uplink data to the network side device. At this time, the remaining amount of data in the buffer of the terminal remains 1000 bytes.
  • the terminal receives the 1000-byte uplink resource allocated by the network side device. And send 1000 bytes of uplink data to the network side device. At this time, the remaining data amount of the buffer of the terminal is 0 bytes.
  • the amount of data remaining in the buffer of the terminal can support the uplink resources allocated by the current network side device to the terminal. Therefore, the uplink resources allocated by the network side device are not wasted.
  • the remaining data volume of the buffer of the terminal is: the amount of remaining buffer data after the terminal sends the uplink data.
  • the buffer size of the terminal is 6000 bytes.
  • the remaining data volume of the buffer in the terminal is 3500 bytes.
  • FIG. 6 is a flowchart of scenario 2 of an uplink resource-based scheduling method according to an embodiment of the present invention, which specifically includes:
  • the buffer of the terminal receives 1000 bytes of data again.
  • the network side device determines that the amount of resources of the uplink resource that has been allocated but not valid for the terminal is 0.
  • the network side device updates the terminal's buffer data amount to 5000 bytes and allocates 5000 bytes of uplink resources to the terminal.
  • the buffer data amount of the terminal maintained by the network side device is updated to be 0.
  • the terminal receives the 5000-byte uplink resource allocated by the network side device. And send 5000 bytes of uplink data to the network side device. At this time, the remaining amount of data in the buffer of the terminal remains 1000 bytes.
  • the terminal receives the 1000-byte uplink resource allocated by the network side device. And send 1000 bytes of uplink data to the network side device. At this time, the remaining data amount of the buffer of the terminal is 0 bytes.
  • the amount of data remaining in the buffer of the terminal can support the uplink resources allocated by the current network side device to the terminal. Therefore, the uplink resources allocated by the network side device are not wasted.
  • FIG. 7 is a flowchart of a scenario 3 of an uplink resource-based scheduling method according to an embodiment of the present invention, which specifically includes:
  • the network side device determines that the resource amount of the uplink resource that has been allocated but not valid for the terminal is 0.
  • the network side device updates the terminal's buffer data amount to 5000 bytes and allocates 5000 bytes of uplink resources to the terminal.
  • the buffer data amount of the terminal maintained by the network side device is updated to be 0.
  • the terminal receives the 5000-byte uplink resource allocated by the network side device. And send 5000 bytes of uplink data to the network side device. Since the terminal uses a separate buffer when reporting the BSR, the remaining data amount of the buffer of the terminal at this time is 0 bytes.
  • the buffer of the terminal receives 1000 bytes of data again.
  • the terminal receives the 1000-byte uplink resource allocated by the network side device. And send 1000 bytes of uplink data to the network side device. Since the terminal uses a separate buffer when reporting the BSR, this time The remaining data amount of the buffer of the terminal is 0 bytes remaining.
  • the amount of data remaining in the buffer of the terminal can support the uplink resources allocated by the current network side device to the terminal. Therefore, the uplink resources allocated by the network side device are not wasted.
  • scenario 1 the incremental BSR may be reported first, and then the absolute BSR may be reported.
  • scenario 3 the terminal may obtain the buffer data amount newly reported by the terminal before receiving the uplink resource allocated by the network device. Therefore, any scenario based on the above ideas of the present implementation should fall within the scope of protection of the present embodiment.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention in essence or the contribution to the related art can be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal device (which may be a cell phone, computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention.
  • an apparatus for scheduling uplink resources is further provided, and the apparatus is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 8 is a structural block diagram of an apparatus for scheduling uplink resources according to an embodiment of the present invention. As shown in FIG. 8, the apparatus is located at a network side device, and includes: an obtaining module 82, a processing module 84, and an allocating module 86. among them:
  • the obtaining module 82 is configured to receive the BSR type to which the buffer status report BSR reported by the terminal belongs.
  • the network side device comprises: a primary station in an interactive satellite communication system based on the DVB-RCS2 protocol; the terminal comprises: an end station in an interactive satellite communication system based on the DVB-RCS2 protocol.
  • the network side device comprises: a primary station in an interactive satellite communication system based on the DVB-RCS2 protocol; the terminal comprises: an end station in an interactive satellite communication system based on the DVB-RCS2 protocol.
  • other communication systems such as network side devices and terminals in other communication systems such as LTE, WIFI, and WCDMA, are also applicable.
  • the processing module 84 is configured to obtain the current buffer data amount of the terminal according to the BSR type, and obtain a valid buffer data quantity, where the valid buffer data quantity is used to indicate that the network side device needs to be allocated to the terminal. The amount of resources for the uplink resources.
  • the effective buffer data volume is an absolute quantity of the absolute BSR, and the resource that the network side device has allocated for the terminal but is not valid.
  • Equation 1 The difference between the quantities is calculated by Equation 1:
  • data effectively represents the amount of valid buffer data
  • data absolutely represents the absolute amount of absolute BSR
  • data allocation represents the amount of buffer data allocated by the allocation module 86 for the terminal but not valid.
  • the absolute amount of the absolute BSR is used to indicate the amount of buffer data corresponding to the absolute BSR.
  • the terminal buffers the amount of buffer data of 2500 bytes and reports it to the network side device in an absolute BSR manner.
  • the absolute amount of the absolute BSR is the amount of buffer data reported to the network side device of 2500 bytes.
  • the buffer data amount allocated by the allocation module 86 for the terminal but not valid is used to indicate that the allocation module 86 has been allocated to the terminal, and the terminal has not received the resource amount of the uplink resource when the terminal reports the absolute BSR. .
  • the terminal also reports a buffer data amount of 2500 bytes before the absolute amount of the absolute BSR is currently reported.
  • the allocation module 86 allocates the resource amount of the uplink resource to the terminal according to the previously reported 2500 bytes of buffer data amount.
  • the terminal reports the absolute amount of the BSR, the terminal has not received the resource amount of the above 2500 bytes of uplink resources.
  • the resource amount of the 2500-byte uplink resource allocated by the foregoing allocation module 86 is the amount of buffer data allocated by the network-side device for the terminal but not valid.
  • the effective buffer data amount is a sum of an increment of the incremental BSR and an existing buffer data amount of the terminal, by using Equation 2 Calculation:
  • the data increment is used to indicate the increment of the incremental BSR, and the data already indicates the amount of the existing buffer data.
  • the increment of the incremental BSR is used to indicate the amount of buffer data corresponding to the incremental BSR. For example, when the terminal reports the incremental BSR to the current time, the amount of the data in the terminal buffer is increased by 2,500 bytes, and is reported to the network side device by means of the incremental BSR. The incremental BSR is reported to the network side device. The amount of 2500 bytes of buffer data.
  • the buffer data amount is used to indicate the buffer data amount of the terminal maintained by the network side device before the incremental BSR is reported by the terminal. Specifically, if the incremental BSR is reported to the terminal for the first time, the amount of buffer data is 0. If the incremental BSR is not reported to the BSR for the first time, the buffer data volume is the buffer of the terminal maintained by the network side device after the allocation module 86 allocates the uplink resource to the terminal before the current incremental BSR is reported. The amount of data. For example, the terminal also reports a buffer data amount of 2500 bytes before the increment of the incremental BSR is currently reported. After the network side device allocates the above 2500 bytes of uplink resources to the terminal, the buffer data amount of the terminal maintained by the network side device is 0 bytes. Then the amount of buffer data is 0 bytes.
  • the allocating module 86 is configured to allocate the uplink resource to the terminal according to the valid buffer data amount.
  • FIG. 9 is a structural block diagram of another uplink resource scheduling device according to an embodiment of the present invention. As shown in FIG. 9, the device includes the above. In addition to all the modules in FIG. 8, an update module 92 may also be included.
  • the update module 92 is configured to update, according to the amount of resources of the uplink resource, the buffer data amount of the terminal maintained by the network side device.
  • the update module 92 updates the buffer data amount of the terminal maintained by the network side device by using Equation 3.
  • the data update indicates the amount of buffer data of the terminal maintained by the updated network side device, and the resource allocates the resource amount of the uplink resource allocated by the network side device for the terminal.
  • the amount of the buffer data of the updated terminal is used to indicate whether the allocation module 86 uses all the buffer data reported by the terminal as the uplink resource allocated for the terminal. If the difference is 0, it is proved that the allocation module 86 can allocate an uplink resource for all the buffer data amounts reported by the terminal; and if the difference is not 0, it proves that the buffer data amount reported by some terminals is not allocated by the module 86. Allocate uplink resources. At this time, the update module 92 sends the allocated uplink resource to the terminal.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • a system for scheduling uplink resources is also provided, and the system is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 10 is a schematic structural diagram of an uplink resource scheduling system 100 according to an embodiment of the present invention.
  • the system 100 includes: a network side device 1002 and a terminal 1004.
  • the terminal 1004 in the system can perform information interaction with the network side device.
  • the network side device 1002 is configured to obtain a BSR type to which the buffer status report BSR reported by the terminal 1004 belongs, obtain the current buffer data amount of the terminal 1004 according to the BSR type, and obtain a valid buffer data amount.
  • the effective buffer data amount is used to indicate the resource amount of the uplink resource that the network side device 1002 needs to allocate for the terminal 1004; and allocate the uplink resource to the terminal 1004 according to the valid buffer data amount.
  • the effective buffer data volume is an absolute quantity of the absolute BSR, and the resource that the network side device has allocated for the terminal but is not valid.
  • Equation 1 The difference between the quantities is calculated by Equation 1:
  • data effectively represents the amount of valid buffer data
  • data absolutely represents the absolute amount of absolute BSR
  • data allocation represents the amount of buffer data allocated by the network side device for the terminal but not valid.
  • the absolute amount of the absolute BSR is used to indicate the amount of buffer data corresponding to the absolute BSR.
  • the terminal 1004 buffers the amount of buffer data of 2500 bytes and reports it to the network side device 1002 by means of an absolute BSR.
  • the absolute amount of the absolute BSR is the amount of buffer data of 2500 bytes reported to the network side device 1002. .
  • the amount of buffer data allocated by the network side device to the terminal 1004 but not valid is used to indicate the network side.
  • the device 1002 has been allocated to the terminal 1004, and when the terminal 1004 reports an absolute BSR, the terminal 1004 has not received the resource amount of the uplink resource. For example, the terminal 1004 also reports a buffer data amount of 2500 bytes before the absolute amount of the absolute BSR is currently reported.
  • the network side device 1002 allocates the resource amount of the uplink resource to the terminal 1004 according to the previously reported 2500 bytes of buffer data amount.
  • the network side device 1002 receives the absolute amount of the BSR, the terminal 1004 has not received the resource amount of the 2500 bytes of the uplink resource.
  • the resource amount of the 2500-byte uplink resource allocated by the network side device 1002 is the amount of buffer data allocated by the network-side device 1002 to the terminal 1004 but not valid.
  • the effective buffer data amount is a sum of an increment of the incremental BSR and an existing buffer data amount of the terminal, by using Equation 2 Calculation:
  • the data increment is used to indicate the increment of the incremental BSR, and the data already indicates the amount of the existing buffer data.
  • the increment of the incremental BSR is used to indicate the amount of buffer data corresponding to the incremental BSR. For example, when the terminal 1004 reports the incremental BSR to the current time, the amount of the buffer data of the terminal is increased by 2,500 bytes, and is reported to the network side device 1002 by means of the incremental BSR. Then, the increment of the incremental BSR is reported to the network side. The amount of buffer data of 2500 bytes of device 1002.
  • the buffer data amount is used to indicate the buffer data amount of the terminal 1004 maintained by the network side device 1002 before the incremental BSR is reported by the terminal 1004. Specifically, if the incremental BSR is reported to the terminal 1004 for the first time, the amount of buffer data is 0. If the incremental BSR is not reported to the BSR for the first time, the amount of the buffer data is the terminal maintained by the network side device 1002 after the network side device 1002 allocates the uplink resource to the terminal 1004 before the incremental BSR is reported. The amount of buffer data in 1004. For example, the terminal 1004 also reports a buffer data amount of 2500 bytes before the increment of the incremental BSR is currently reported. After the network side device 1002 allocates the above 2500-byte uplink resource to the terminal 1004, the buffer data amount of the terminal 1004 maintained by the network side device 1002 is 0 bytes. Then the amount of buffer data is 0 bytes.
  • the terminal 1004 reports the BSR type to which the BSR belongs to the network side device 1002, and performs data transmission according to the uplink resource.
  • the terminal 1004 updates the remaining data amount of the buffer accordingly.
  • the amount of data remaining in the buffer of the terminal 1004 is the amount of buffer data remaining after the terminal 1004 transmits the uplink data.
  • the buffer size of the terminal 1004 is 6000 bytes. After the terminal 1004 currently transmits 2500 bytes of uplink data, the remaining data amount of the buffer of the terminal 1004 is 3500 bytes.
  • the network side device 1002 comprises: a primary station in an interactive satellite communication system based on the DVB-RCS2 protocol; the terminal 1004 comprises: an end station in an interactive satellite communication system based on the DVB-RCS2 protocol.
  • the network side device 1002 and the terminal 1004 in other communication systems such as LTE, WIFI, and WCDMA, are also applicable.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • S12 Obtain the current buffer data amount of the terminal according to the BSR type, and obtain a valid buffer data quantity.
  • the valid buffer data quantity is used to indicate that the network side device needs to allocate an uplink for the terminal.
  • the storage medium is further arranged to store program code for performing the following steps:
  • the effective buffer data quantity is an absolute quantity of the absolute BSR and the resource quantity that the network side device has allocated for the terminal but is not valid. difference;
  • the effective buffer data amount is a sum of an increment of the incremental BSR and an existing buffer data amount of the terminal.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the present invention is applicable to the field of communication, and solves the problem that in the related art, the method for the network side device to allocate the uplink resource to the terminal according to the terminal requirement causes a large amount of uplink resource waste, thereby improving the accuracy of resource scheduling of the network side device. And the effect of the utilization of uplink resources.

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

Abstract

La présente invention concerne un procédé et un dispositif de planification de ressource de liaison montante. Le procédé comprend les opérations suivantes : un dispositif côté réseau acquiert un type de rapport d'état de mémoire tampon (BSR) rapporté par un terminal; le dispositif côté réseau acquiert un volume de données de mémoire tampon courant du terminal selon le type de BSR, de façon à obtenir un volume de données de mémoire tampon effectif, le volume de données de mémoire tampon effectif étant utilisé pour indiquer une quantité de ressources de liaison montante devant être allouées par le dispositif côté réseau au terminal; et le dispositif côté réseau attribue les ressources de liaison montante au terminal selon le volume de données de mémoire tampon effectif. La solution technique proposée par la présente invention résout le problème de gaspillage de ressources de liaison montante dans un procédé dans lequel un dispositif côté réseau alloue des ressources de liaison montante à un terminal selon le type de BSR rapporté par le terminal, permettant ainsi d'améliorer la précision de planification de ressource du dispositif côté réseau et l'utilisation de ressources de liaison montante.
PCT/CN2017/074971 2016-05-12 2017-02-27 Procédé et dispositif de planification de ressource de liaison montante WO2017193675A1 (fr)

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