CN111432475A - Bearing method and network equipment for uplink low-delay service - Google Patents

Bearing method and network equipment for uplink low-delay service Download PDF

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Publication number
CN111432475A
CN111432475A CN201910020608.3A CN201910020608A CN111432475A CN 111432475 A CN111432475 A CN 111432475A CN 201910020608 A CN201910020608 A CN 201910020608A CN 111432475 A CN111432475 A CN 111432475A
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frame structure
service
uplink low
uplink
symbols
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CN111432475B (en
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旷婧华
邓伟
张龙
江天明
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • 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
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The embodiment of the invention discloses a bearing method and network equipment for an uplink low-delay service. The method comprises the following steps: the network equipment configures a frame structure corresponding to the 5G system as a first configuration; judging whether the uplink low-delay service requirement is detected; and when the judgment result is that the requirement of the uplink low-delay service is detected, reconfiguring the frame structure into a second configuration, wherein the frame structure of the second configuration increases uplink transmission resources for bearing the uplink low-delay service compared with the frame structure of the first configuration.

Description

Bearing method and network equipment for uplink low-delay service
Technical Field
The present invention relates to wireless communication technologies, and in particular, to a method and a network device for carrying an uplink low latency service.
Background
When a fifth generation mobile communication network (5G) system is also deployed at 2.6GHz and is deployed in the same frequency band with a current network L TE system, the interference between the 5G system and the L TE system needs to be considered.
However, the 5G system deployed at 2.6GHz adopts the same frame structure configuration as the L TE system, which results in that the air interface delay of the 5G system is completely the same as that of the L TE system, for example, 5ms, so that the 5G system cannot exert the advantage of low air interface delay, i.e., cannot bear Ultra-Reliable Ultra-low delay Communication (UR LL C, Ultra Reliable L ow L effect Communication) service, if the 5G system has a requirement of bearing UR LL C service, it is necessary to use a dedicated network of other frequency band groups to bear UR LL C service, which is high in cost, if the 5G system deployed at 2.6GHz is used to bear UR LL C service, the frame structure of the 5G system needs to be modified, so that the uplink and downlink service conversion cycle is shorter, but the TD-L TE system faces the requirement of synchronously modifying the frame structure, or a guard band over 20MHz needs to be reserved between the TD-L TE system and the 5G system.
Disclosure of Invention
In order to solve the existing technical problem, embodiments of the present invention provide a method and network device for carrying an uplink low latency service.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a bearing method of an uplink low-delay service, which comprises the following steps:
the network equipment configures a frame structure corresponding to the 5G system as a first configuration;
judging whether the uplink low-delay service requirement is detected;
and when the judgment result is that the requirement of the uplink low-delay service is detected, reconfiguring the frame structure into a second configuration, wherein the frame structure of the second configuration increases uplink transmission resources for bearing the uplink low-delay service compared with the frame structure of the first configuration.
In the above scheme, in the frame structure configured by the first configuration information, the last time slot of a 5ms switching period is a downlink time slot;
in the frame structure configured by the second configuration information, the last time slot of the 5ms switching period is a special time slot.
In the above scheme, the method further comprises: determining the number of symbols used for transmitting the uplink low-delay service and the number of Physical Resource Blocks (PRBs) used for transmitting the low-delay service in the special time slot according to the signaling data volume and the channel condition corresponding to the uplink low-delay service; or,
and determining the number of symbols used for transmitting the uplink low-delay service and the number of PRBs used for transmitting the low-delay service in the special time slot according to the size of the data packet corresponding to the uplink low-delay service and the channel condition.
In the above scheme, the network device is a device in common mode of a 5G system and a long term evolution (L TE) system, and the method further comprises:
judging whether the number of the symbols for transmitting the uplink low-delay service is greater than 3;
and when the judgment result shows that the number of the symbols for transmitting the uplink low-delay service is less than or equal to 3, configuring L the first 5 symbols of the second Time slot of the last downlink subframe corresponding to each 5-millisecond switching cycle frame structure in the TE system to be used for scheduling L TE service data supporting a short Transmission Time Interval (short TTI).
In the above scheme, the method further includes configuring L a last downlink subframe corresponding to each frame structure of a 5ms switching cycle in the TE system as an M subframe and only supporting L TE service data for scheduling the M subframe when the determination result indicates that the number of symbols for transmitting the uplink low latency service is greater than 3.
In the above scheme, the method further comprises: configuring the last special time slot corresponding to each switching period in the 5G system, the last N1 symbols, PRB 0-PRB (N2-1) for scheduling uplink low-delay service data or uplink low-delay service signaling;
configuring symbols 0 to [14- (N1+1) -1], PRBN2 to PRB273 in the last special time slot corresponding to each conversion period in the 5G system for scheduling enhanced mobile bandwidth eMBB type downlink traffic data;
wherein N1 represents the number of symbols for transmitting the uplink low latency traffic; n2 represents the number of PRBs used for transmitting the low latency traffic.
In the above scheme, the 5G system and the L TE system use the same frequency band resource.
The embodiment of the invention also provides network equipment, which comprises a configuration unit and a detection unit; wherein,
the configuration unit is used for configuring a frame structure corresponding to the 5G system into a first configuration;
the detection unit is used for judging whether the uplink low-delay service requirement is detected;
the configuration unit is further configured to reconfigure the frame structure to a second configuration when the determination result of the detection unit is that the requirement of the uplink low-latency service is detected, where the frame structure of the second configuration increases uplink transmission resources for carrying the uplink low-latency service compared with the frame structure of the first configuration.
In the above scheme, in the frame structure configured by the first configuration information, the last time slot of a 5ms switching period is a downlink time slot;
in the frame structure configured by the second configuration information, the last time slot of the 5ms switching period is a special time slot.
In the foregoing solution, the network device further includes a determining unit, configured to determine, according to a signaling data amount and a channel condition corresponding to the uplink low latency service, a number of symbols used for transmitting the uplink low latency service and a number of PRBs used for transmitting the low latency service in the special timeslot; or determining the number of symbols used for transmitting the uplink low-delay service and the number of PRBs used for transmitting the low-delay service in the special time slot according to the size of the data packet corresponding to the uplink low-delay service and the channel condition.
In the above scheme, the network device is a device in common mode of a 5G system and an L TE system, and the network device further includes a judging unit for judging whether the number of symbols for transmitting the uplink low-latency service is greater than 3;
the configuration unit is further configured to configure L TE system that the first 5 symbols corresponding to the second slot of the last downlink subframe of each frame structure of 5ms switching cycle are used to schedule L TE service data supporting short TTI when the determination result of the determination unit is that the number of symbols used to transmit the uplink low latency service is less than or equal to 3.
In the foregoing solution, the configuration unit is further configured to configure L TE system that a last downlink subframe corresponding to each frame structure of a 5ms switching cycle is an M subframe and only supports scheduling of L TE service data of the M subframe when a determination result of the determination unit is that the number of symbols used for transmitting the uplink low latency service is greater than 3.
In the above solution, the configuration unit is further configured to configure the last N1 symbols, PRB0 through PRB (N2-1) in the last special timeslot corresponding to each frame structure of a 5ms switching cycle in the 5G system for scheduling uplink low latency service data or uplink low latency service signaling; configuring symbols 0 to [14- (N1+1) -1], PRBN2 to PRB273 in the last special time slot corresponding to each 5-millisecond switching period frame structure in the 5G system for scheduling eMBB type downlink traffic data; wherein N1 represents the number of symbols for transmitting the uplink low latency traffic; n2 represents the number of PRBs used for transmitting the low latency traffic.
In the above scheme, the 5G system and the L TE system use the same frequency band resource.
Embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the method according to an embodiment of the present invention.
The embodiment of the present invention further provides a network device, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the processor executes the computer program, the steps of the method according to the embodiment of the present invention are implemented.
The method for bearing the uplink low-delay service and the network equipment provided by the embodiment of the invention comprise the steps that the network equipment configures a frame structure corresponding to a 5G system into a first configuration, judges whether the requirement of the uplink low-delay service is detected, and reconfigures the frame structure into a second configuration when the judgment result shows that the requirement of the uplink low-delay service is detected, wherein the frame structure of the second configuration is compared with the frame structure of the first configuration to increase uplink transmission resources for bearing the uplink low-delay service.
Drawings
Fig. 1 is a schematic flow chart of a method for carrying an uplink low latency service according to an embodiment of the present invention;
fig. 2 is a schematic configuration diagram of a frame structure in a method for carrying an uplink low latency service according to an embodiment of the present invention;
fig. 3 is another schematic flow chart of a method for carrying an uplink low latency service according to an embodiment of the present invention;
fig. 4a and fig. 4b are schematic configuration diagrams of a bearer method for an uplink low latency service according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a network device according to an embodiment of the present invention;
fig. 6 is a schematic diagram of another structure of a network device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of another structure of a network device according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a hardware component structure of a network device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a bearing method of an uplink low-delay service. Fig. 1 is a schematic flow chart of a method for carrying an uplink low latency service according to an embodiment of the present invention; as shown in fig. 1, the method includes:
step 101: the network equipment configures a frame structure corresponding to the 5G system into a first configuration.
Step 102: and judging whether the uplink low-delay service requirement is detected.
Step 103: and when the judgment result is that the requirement of the uplink low-delay service is detected, reconfiguring the frame structure into a second configuration, wherein the frame structure of the second configuration increases uplink transmission resources for bearing the uplink low-delay service compared with the frame structure of the first configuration.
The network device of the embodiment of the present invention may specifically be a base station, for example, a base station in a 5G system or a New Radio (NR) system.
In this embodiment, the determining whether the uplink low latency service requirement is detected includes detecting whether a bearer corresponding to the uplink low latency service is activated, determining that the uplink low latency service requirement is detected when the bearer corresponding to the uplink low latency service is activated, and determining that the uplink low latency service requirement is not detected when the bearer corresponding to the uplink low latency service is not activated.
In the present embodiment, in the frame structure configured by the first configuration information, the last time slot of the 5ms conversion period is a downlink time slot, and in the frame structure configured by the second configuration information, the last time slot of the 5ms conversion period is a special time slot, it can be understood that there are two configurations for the frame structure of the corresponding 5ms conversion period in the 5G system, where the first configuration is the same frame structure configuration of the 5ms conversion period as the L TE system in the existing network, fig. 2 is a schematic configuration diagram of the frame structure in the method for carrying the uplink low latency service according to the embodiment of the present invention, as shown in fig. 2, the first configuration is "DDDSUUDDDD", and the second configuration is "DDDSUUDDDS", where "D" represents a downlink time slot (slot), "U" represents an uplink ot time slot, "and" S "represents a special time slot.
The frame structure described in this embodiment is a frame structure corresponding to a 5ms transition period, in the embodiment of the present invention, the 5G system and the L TE system use the same frequency band resource, as an example, the 5G system and the L TE system use the frequency band resource of 2.6GHz, the transition period is a transition period of L TE system, that is, 5ms, and each time slot in the frame structure corresponds to 0.5 ms.
By adopting the technical scheme of the embodiment of the invention, the frame structure is dynamically configured in the 5G system according to the time delay requirement of the service, and the frame structure for carrying the uplink transmission resource of the uplink low-delay service is configured and increased when the uplink low-delay service is required, so that on one hand, a special network is not required to be built for carrying the uplink low-delay service, the cost is greatly reduced, on the other hand, the frame structure of the current frame is not required to be modified for avoiding interference, and a protective band is not required to be reserved between the L TE system and the 5G system.
Based on the foregoing embodiment, the embodiment of the present invention further provides a method for carrying an uplink low latency service. Fig. 3 is another schematic flow chart of a method for carrying an uplink low latency service according to an embodiment of the present invention; as shown in fig. 3, the method includes:
step 201: the network device configures a frame structure of a 5 millisecond switching period corresponding to the 5G system to be a first configuration.
Here, the network device configures a frame structure of a 5ms switching period corresponding to the 5G system as DDDSUUDDDD shown in fig. 2; where "D" denotes a downlink slot (slot), "U" denotes an uplink slot, and "S" denotes a special slot.
Step 202: and detecting whether the bearer corresponding to the uplink low-delay service is activated.
Step 203: and after the bearer corresponding to the uplink low-delay service is activated, reconfiguring the frame structure of the 5 millisecond conversion period into a second configuration.
Here, after the bearer corresponding to the uplink low latency service is activated, the network device needs to prepare a corresponding uplink transmission resource for transmission of the uplink low latency service. The network device reconfigures according to the time delay requirement correspondingly carried when the bearer is activated, reconfigures the frame structure of the 5ms switching period to be DDDSUUDDDS shown in fig. 2, and increases the uplink transmission resource for bearing the uplink low-delay service through the last S time slot.
Step 204: and determining the number N1 of symbols used for transmitting the uplink low-delay service and the number N2 of PRBs used for transmitting the low-delay service in the special time slot.
In this embodiment, in a newly added timeslot, that is, in the last S timeslot of the frame structure of the second configuration, based on a modulation and coding scheme adopted by a channel, the number of symbols used for transmitting the uplink low latency service and the number of PRBs used for transmitting the low latency service in the special timeslot are determined according to a signaling data amount corresponding to the uplink low latency service and a channel condition; or determining the number of symbols used for transmitting the uplink low-delay service and the number of PRBs used for transmitting the low-delay service in the special time slot according to the size of the data packet corresponding to the uplink low-delay service and the channel condition.
Step 205: judging whether N1 is greater than 3; when the judgment result is yes, step 206 is executed; when the result of the determination is negative, step 207 is performed.
Step 206, configuring L the last downlink sub-frame corresponding to each 5ms switching cycle frame structure in the TE system as M sub-frame, and only supporting L TE service data of scheduling M sub-frame, further execute step 208.
Step 207, configuring L the first 5 symbols of the second slot of the last downlink sub-frame corresponding to each 5ms transition period frame structure in the TE system for scheduling L TE service data supporting a short TTI, further executing step 208.
Step 208: configuring the last special time slot corresponding to each 5ms switching cycle frame structure in the 5G system, the last N1 symbols, PRB 0-PRB (N2-1) for scheduling uplink low-delay service data or uplink low-delay service signaling; the symbol 0 through symbol [14- (N1+1) -1], the PRBN2 through the PRB273, corresponding to the last special slot of each switching period in the 5G system are configured for scheduling enhanced mobile bandwidth (eMBB) -type downlink traffic data.
Step 209: detecting whether the bearer corresponding to the uplink low-delay service is deactivated; when detecting that the bearer corresponding to the uplink low-latency service is deactivated, step 201 is executed again, and the frame structure corresponding to the reconfigured 5G system is the first configuration, that is, the reconfigured frame structure is DDDSUUDDDD; and when detecting that the bearer corresponding to the uplink low-latency service is not deactivated, re-executing step 204.
It should be noted that the network device in this embodiment is a device common to the 5G system and the long term evolution L TE system.
The following describes a method for carrying an uplink low latency service according to an embodiment of the present invention with reference to a specific example.
Example 1
The base station receives the UR LL C service bearer activation request, and determines that the uplink air interface delay requirement of the UR LL C service is less than 5ms according to the service class identifier carried by the UR LL C service bearer, and dynamically configures the 5G frame structure as a second configuration, that is, DDDSUUDDDS shown in fig. 2.
And in the newly added S slot of the frame structure of the second configuration, determining the number of symbols N1 used for transmitting the uplink low-latency service and the number of PRBs N2 used for transmitting the low-latency service according to the transmission data volume and the channel condition corresponding to the UR LL C service, wherein N1 is 3, and N2 is 20.
Since N1 is less than or equal to 3, the corresponding TD-L TE system only schedules the service data of short TTI supporting 2 OFDM symbols or 3 OFDM symbols in the first 5 symbols of the second slot of the last downlink subframe of every 5ms, and does not schedule the service data of short TTI not supporting in the downlink subframe.
In the newly added S slot of the frame structure of the second configuration, the 5G system schedules downlink eMBB service in PRBs 20-273 of symbols 0-9; uplink low-latency traffic signaling or uplink low-latency traffic data is scheduled on the PRBs 0-19 of the last 3 symbols (i.e., symbol 11-symbol 13), which can be specifically seen in fig. 4 a.
Example two
The base station receives the UR LL C service bearer activation request, and determines that the uplink air interface delay requirement of the UR LL C service is less than 5ms according to the service class identifier carried by the UR LL C service bearer, and dynamically configures the 5G frame structure as a second configuration, that is, DDDSUUDDDS shown in fig. 2.
And in the newly added S slot of the frame structure of the second configuration, determining the number of symbols N1 used for transmitting the uplink low-latency service and the number of PRBs N2 used for transmitting the low-latency service according to the transmission data volume and the channel condition corresponding to the UR LL C service, wherein N1 is 5, and N2 is 20.
Since N1 is greater than 3, the corresponding TD-L TE system configures the last downlink subframe of every 5ms as an M subframe, and schedules only users supporting the M subframe.
In the newly added S slot of the frame structure of the second configuration, the 5G system schedules downlink eMBB service in PRBs 20-273 of symbols 0-7; scheduling the uplink low-latency traffic signaling or the uplink low-latency traffic data at the PRBs 0-19 of the last 5 symbols (i.e., symbol 9-symbol 13), as shown in fig. 4 b.
By adopting the technical scheme of the embodiment of the invention, the frame structure is dynamically configured in the 5G system according to the time delay requirement of the service, and the frame structure of the uplink transmission resource for bearing the uplink low-delay service is configured and increased when the uplink low-delay service is required, so that on one hand, a special network does not need to be built for special frequency points to bear the uplink low-delay service, the cost is greatly reduced, on the other hand, the current frame structure does not need to be modified for avoiding interference, and a protective band does not need to be reserved between the L TE system and the 5G system.
The embodiment of the invention also provides network equipment. Fig. 5 is a schematic structural diagram of a network device according to an embodiment of the present invention; as shown in fig. 5, the network device includes a configuration unit 31 and a detection unit 32; wherein,
the configuration unit 31 is configured to configure a frame structure corresponding to the 5G system as a first configuration;
the detecting unit 32 is configured to determine whether an uplink low latency service requirement is detected;
the configuring unit 31 is further configured to, when the determination result of the detecting unit 32 is that the requirement of the uplink low latency service is detected, reconfigure the frame structure to a second configuration, where the frame structure of the second configuration increases, compared with the frame structure of the first configuration, the uplink transmission resource for carrying the uplink low latency service.
In an optional embodiment of the present invention, in a frame structure configured by the first configuration information, a last time slot of a 5ms switching period is a downlink time slot; in the frame structure configured by the second configuration information, the last time slot of the 5ms switching period is a special time slot.
In an optional embodiment of the present invention, as shown in fig. 6, the network device further includes a determining unit 33, configured to determine, according to a signaling data amount and a channel condition corresponding to the uplink low latency service, a number of symbols used for transmitting the uplink low latency service and a number of PRBs used for transmitting the low latency service in the special timeslot; or determining the number of symbols used for transmitting the uplink low-delay service and the number of PRBs used for transmitting the low-delay service in the special time slot according to the size of the data packet corresponding to the uplink low-delay service and the channel condition.
In an optional embodiment of the present invention, as shown in fig. 7, the network device is a device in common mode of a 5G system and a long term evolution L TE system, and the network device further includes a determining unit 34, configured to determine whether the number of symbols for transmitting the uplink low latency service is greater than 3;
the configuring unit 31 is further configured to configure L TE system that the first 5 symbols corresponding to the second time slot of the last downlink subframe of each 5ms transition period frame structure are used to schedule L TE service data supporting a short TTI when the determination result of the determining unit 34 is that the number of symbols used to transmit the uplink low latency service is less than or equal to 3.
In an optional embodiment of the present invention, the configuring unit 31 is further configured to configure L TE system that a last downlink subframe corresponding to each frame structure of a 5ms switching cycle is an M subframe and only supports L TE service data of scheduling the M subframe when a determination result of the determining unit 34 is that the number of symbols for transmitting the uplink low latency service is greater than 3.
In an optional embodiment of the present invention, the configuring unit 31 is further configured to configure the last N1 symbols, PRB0 through PRB (N2-1) in the last special timeslot corresponding to each 5ms transition period frame structure in the 5G system for scheduling the uplink low latency traffic data or the uplink low latency traffic signaling; configuring symbols 0 to [14- (N1+1) -1], PRBN2 to PRB273 in the last special time slot corresponding to each 5-millisecond switching period frame structure in the 5G system for scheduling eMBB type downlink traffic data; wherein N1 represents the number of symbols for transmitting the uplink low latency traffic; n2 represents the number of PRBs used for transmitting the low latency traffic.
In the embodiment of the invention, the 5G system and the L TE system adopt the same frequency band resource.
In the embodiment of the present invention, the network device may be implemented by a base station. The configuration Unit 31, the detection Unit 32, the determination Unit 33, and the determination Unit 34 in the network device may be implemented by a Central Processing Unit (CPU), a Digital Signal Processor (DSP), a Micro Control Unit (MCU), or a Programmable Gate Array (FPGA) in practical applications.
It should be noted that: in the network device provided in the foregoing embodiment, when the network device carries out the bearer of the uplink low latency service, only the division of the program modules is described as an example, and in practical applications, the processing allocation may be completed by different program modules according to needs, that is, the internal structure of the network device is divided into different program modules to complete all or part of the processing described above. In addition, the network device provided in the foregoing embodiment and the embodiment of the method for carrying the uplink low latency service belong to the same concept, and details of a specific implementation process thereof are referred to in the method embodiment and are not described herein again.
Fig. 8 is a schematic diagram of a hardware structure of the network device according to the embodiment of the present invention, as shown in fig. 8, the network device includes a memory 42, a processor 41, and a computer program stored in the memory 42 and capable of running on the processor 41, and when the processor 41 executes the computer program, the steps of the method according to the embodiment of the present invention are implemented.
It will be appreciated that the various components in the network device may be coupled together by a bus system 43. It will be appreciated that the bus system 43 is used to enable communications among the components. The bus system 43 includes a power bus, a control bus, and a status signal bus in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 43 in fig. 8.
The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic Random Access Memory (FRAM), a magnetic surface Memory, an optical Disc, or a Compact Disc Read-Only Memory (CD-ROM), a Flash Memory (magnetic surface Memory), a magnetic surface Memory, a magnetic disk, or a magnetic Disc Read-Only Memory (CD-ROM), a Compact Disc Read-Only Memory (magnetic surface Memory), a magnetic surface Memory (magnetic surface Memory), a Dynamic Random Access Memory (SDRAM), or a Dynamic Random Access Memory (SDRAM), which may be of the type described by a Dynamic Random Access bus (SDRAM), or a Dynamic Random Access Memory (SDRAM), or a Random Access Memory (Dynamic Random Access Memory) including a Dynamic Random Access Memory (RAM) or a Dynamic Random Access Memory (SDRAM), which is suitable for use as an external Access device, such as a Dynamic Random Access Memory (Dynamic Random Access Memory) or a Dynamic Random Access Memory (SDRAM), or a Dynamic Random Access Memory (SDRAM) including a Dynamic Random Access Memory (SDRAM, a Dynamic Access Memory (Dynamic Access Memory, a Dynamic Access Memory (SDRAM) or a Dynamic Access Memory (SDRAM), or a Dynamic Access Memory (Dynamic Access Memory, which is suitable for use as an Access bus Access RAM).
The method disclosed in the above embodiments of the present invention may be applied to the processor 41, or implemented by the processor 41. The processor 41 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 41. The processor 41 described above may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. Processor 41 may implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in memory 42, where processor 41 reads the information in memory 42 and in combination with its hardware performs the steps of the method described above.
Embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps of any of the methods according to the embodiments of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (16)

1. A method for carrying an uplink low-latency service is characterized in that the method comprises the following steps:
the network equipment configures a frame structure corresponding to a fifth generation mobile communication network 5G system as a first configuration;
judging whether the uplink low-delay service requirement is detected;
and when the judgment result is that the requirement of the uplink low-delay service is detected, reconfiguring the frame structure into a second configuration, wherein the frame structure of the second configuration increases uplink transmission resources for bearing the uplink low-delay service compared with the frame structure of the first configuration.
2. The method of claim 1, wherein in the frame structure configured by the first configuration information, a last time slot of a 5ms switching period is a downlink time slot;
in the frame structure configured by the second configuration information, the last time slot of the 5ms switching period is a special time slot.
3. The method of claim 2, further comprising:
determining the number of symbols used for transmitting the uplink low-delay service and the number of Physical Resource Blocks (PRBs) used for transmitting the low-delay service in the special time slot according to the signaling data volume and the channel condition corresponding to the uplink low-delay service; or,
and determining the number of symbols used for transmitting the uplink low-delay service and the number of PRBs used for transmitting the low-delay service in the special time slot according to the size of the data packet corresponding to the uplink low-delay service and the channel condition.
4. The method of claim 3, wherein the network device is a device common to a 5G system and a long term evolution L TE system, and wherein the method further comprises:
judging whether the number of the symbols for transmitting the uplink low-delay service is greater than 3;
and when the judgment result shows that the number of the symbols for transmitting the uplink low-delay service is less than or equal to 3, configuring L the first 5 symbols of the second time slot of the last downlink subframe corresponding to each 5-millisecond switching cycle frame structure in the TE system for scheduling L TE service data supporting a short transmission time interval TTI.
5. The method of claim 4, further comprising:
and when the judgment result shows that the number of the symbols for transmitting the uplink low-delay service is greater than 3, configuring L the last downlink subframe corresponding to each 5-millisecond switching cycle frame structure in the TE system as an M subframe, and only supporting L TE service data for scheduling the M subframe.
6. The method of claim 3, further comprising:
configuring the last special time slot corresponding to each switching period in the 5G system, the last N1 symbols, PRB 0-PRB (N2-1) for scheduling uplink low-delay service data or uplink low-delay service signaling;
configuring symbols 0 to [14- (N1+1) -1], PRBN2 to PRB273 in the last special time slot corresponding to each conversion period in the 5G system for scheduling enhanced mobile bandwidth eMBB type downlink traffic data;
wherein N1 represents the number of symbols for transmitting the uplink low latency traffic; n2 represents the number of PRBs used for transmitting the low latency traffic.
7. The method according to any one of claims 1 to 6, wherein the 5G system and the L TE system use the same frequency band resource.
8. A network device, characterized in that the network device comprises a configuration unit and a detection unit; wherein,
the configuration unit is used for configuring a frame structure corresponding to the 5G system into a first configuration;
the detection unit is used for judging whether the uplink low-delay service requirement is detected;
the configuration unit is further configured to reconfigure the frame structure to a second configuration when the determination result of the detection unit is that the requirement of the uplink low-latency service is detected, where the frame structure of the second configuration increases uplink transmission resources for carrying the uplink low-latency service compared with the frame structure of the first configuration.
9. The network device of claim 8, wherein in the frame structure configured by the first configuration information, a last timeslot of a 5ms switching period is a downlink timeslot;
in the frame structure configured by the second configuration information, the last time slot of the 5ms switching period is a special time slot.
10. The network device according to claim 9, wherein the network device further comprises a determining unit, configured to determine, according to a signaling data amount and a channel condition corresponding to the uplink low latency service, a number of symbols used for transmitting the uplink low latency service and a number of PRBs used for transmitting the low latency service in the special timeslot; or determining the number of symbols used for transmitting the uplink low-delay service and the number of PRBs used for transmitting the low-delay service in the special time slot according to the size of the data packet corresponding to the uplink low-delay service and the channel condition.
11. The network device according to claim 10, wherein the network device is a device in common mode of a 5G system and a long term evolution L TE system, and the network device further comprises a determining unit configured to determine whether the number of symbols for transmitting the uplink low latency service is greater than 3;
the configuration unit is further configured to configure L TE system that the first 5 symbols corresponding to the second slot of the last downlink subframe of each frame structure of 5ms switching cycle are used to schedule L TE service data supporting short TTI when the determination result of the determination unit is that the number of symbols used to transmit the uplink low latency service is less than or equal to 3.
12. The network device according to claim 11, wherein the configuring unit is further configured to configure L TE system that a last downlink subframe corresponding to each frame structure of 5ms switching period is an M subframe and only supports L TE traffic data for scheduling the M subframe when the determination result of the determining unit is that the number of symbols for transmitting the uplink low latency traffic is greater than 3.
13. The network device of claim 10, wherein the configuration unit is further configured to configure the last N1 symbols, PRB 0-PRB (N2-1) for scheduling uplink low latency traffic data or uplink low latency traffic signaling in the last special timeslot corresponding to each 5ms switching cycle frame structure in a 5G system; configuring symbols 0 to [14- (N1+1) -1], PRBN2 to PRB273 in the last special time slot corresponding to each 5-millisecond switching period frame structure in the 5G system for scheduling eMBB type downlink traffic data; wherein N1 represents the number of symbols for transmitting the uplink low latency traffic; n2 represents the number of PRBs used for transmitting the low latency traffic.
14. The network device according to any of claims 8 to 13, wherein the 5G system and the L TE system use the same frequency band resource.
15. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
16. A network device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of claims 1 to 7 are implemented when the processor executes the program.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106603207A (en) * 2015-10-14 2017-04-26 ***通信集团公司 Signal transmission method and device
CN107317653A (en) * 2016-04-26 2017-11-03 中兴通讯股份有限公司 Data transmission method and device
CN108184268A (en) * 2017-12-11 2018-06-19 北京邮电大学 A kind of pervasive frame structure configuration method of service adaptation
CN108391466A (en) * 2017-05-31 2018-08-10 北京小米移动软件有限公司 The method and device of transmission data

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106603207A (en) * 2015-10-14 2017-04-26 ***通信集团公司 Signal transmission method and device
CN107317653A (en) * 2016-04-26 2017-11-03 中兴通讯股份有限公司 Data transmission method and device
CN108391466A (en) * 2017-05-31 2018-08-10 北京小米移动软件有限公司 The method and device of transmission data
CN108184268A (en) * 2017-12-11 2018-06-19 北京邮电大学 A kind of pervasive frame structure configuration method of service adaptation

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