WO2018000712A1 - 通信资源的分配方法、分配装置、基站和终端 - Google Patents

通信资源的分配方法、分配装置、基站和终端 Download PDF

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Publication number
WO2018000712A1
WO2018000712A1 PCT/CN2016/107907 CN2016107907W WO2018000712A1 WO 2018000712 A1 WO2018000712 A1 WO 2018000712A1 CN 2016107907 W CN2016107907 W CN 2016107907W WO 2018000712 A1 WO2018000712 A1 WO 2018000712A1
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frequency domain
domain resource
service
range
resource
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PCT/CN2016/107907
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English (en)
French (fr)
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李明菊
朱亚军
张云飞
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宇龙计算机通信科技(深圳)有限公司
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Priority to US16/313,476 priority Critical patent/US11129178B2/en
Publication of WO2018000712A1 publication Critical patent/WO2018000712A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0064Rate requirement of the data, e.g. scalable bandwidth, data priority
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/53Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/27Transitions between radio resource control [RRC] states
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for allocating communication resources, a device for allocating communication resources, a base station, and a terminal.
  • the existing 4G and 4.5G mobile communication technologies are based on LTE (Long Term Evolution) and LTE-A (LTE-Advanced) radio access technologies, time-frequency resource granularity and frame structure.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • frame structure mainly includes: FDD (Frequency Division Duplexing) frame structure, TDD (Time Division Duplexing) frame structure, and LAA (LTE Assisted Access) unlicensed carrier.
  • FDD Frequency Division Duplexing
  • TDD Time Division Duplexing
  • LAA LTE Assisted Access
  • each subframe is 1 ms
  • each subframe contains two slots
  • one slot is 0.5 ms
  • each slot contains 7 symbols.
  • the subcarrier spacing is mainly 15 kHz
  • one RB Resource Block
  • a new 3.75KHz subcarrier spacing is proposed in the NB-IoT (Narrow Band Internet of Things), and the carrier bandwidth of NB-IoT is only 180KHz.
  • both the FDD frame structure and the TDD frame structure use the 1 ms subframe as the time domain scheduling granularity, except for the DwPTS (Downlink Pilot Time Slot) in the special subframe in the TDD frame structure.
  • the time domain scheduling granularity is less than 1ms.
  • the downlink scheduling time domain granularity of multiplexing the DwPTS as the partial subframe also occurs, and the scheduling granularity of the 1 ms entire subframe is also used.
  • the FDD frame structure and the TDD frame structure except for the special subframes in the TDD frame structure, there are downlink transmission and uplink transmission, and other subframes are uplink or downlink or time domain separation or frequency domain separation.
  • the first half of the same subframe will also appear in the partial subframe in the frame structure used by the LAA unlicensed carrier for the latter part of the downlink transmission for uplink transmission.
  • the time interval between the UL grant (uplink scheduling command) sent by the LTE system and the subframe in which the uplink data is actually transmitted is generally 4 ms.
  • the HARQ (Hybrid Automatic Repeat Request) ACK/NACK feedback is generally sent 4 ms or more after the corresponding data transmission.
  • the current frame structure and the granularity of the frequency domain resources make the resource allocation not flexible enough, and the time interval between the uplink scheduling mechanism and the HARQ feedback mechanism causes a large delay, and the 20 MHz bandwidth does not satisfy the high bandwidth requirement.
  • the main scenarios of future 5G communication include the following three types: eMBB (enhanced Mobil Broadband), mMTC (massive machine type communication) and URLLC (Ultra-Reliable and Low Latency Communications). Delay communication).
  • the three types of scenarios are different for the type of business, and the requirements are different.
  • the two main indicators of the eMBB service are high bandwidth and low latency.
  • the eMBB service may support a large bandwidth of 100 MHz, and it is likely that the entire bandwidth is directly allocated to one user at a certain time.
  • the uplink scheduling delay and the HARQ feedback delay also have delay effects; the mMTC service requires a narrowband service and requires a long battery life. This service requires a smaller granularity of the frequency domain and a wider granularity of the time domain.
  • the URLLC service it is also necessary to reduce the delay caused by the uplink scheduling delay and the HARQ feedback delay.
  • the current fixed frame structure, the fixed frequency domain resource granularity, and the time domain resource granularity may cause a large uplink scheduling delay and a long HARQ feedback delay, and a smaller carrier.
  • the bandwidth cannot meet the diversified needs of the business.
  • the present invention is based on at least one of the above technical problems, and proposes a new communication resource allocation scheme, which enables flexible adjustment of the granularity of the time-frequency resources and the frequency domain resource range for different types of services.
  • the resource scheduling can be flexibly adapted to different service types, which is beneficial to improving resource utilization.
  • a method for allocating a communication resource including: determining a service type of a current service when a service bearer is established; determining, according to the service type of the current service, The granularity information of the time-frequency resource of the service type and the frequency domain resource range; the granularity information and the frequency domain resource range of the time-frequency resource for the service type are sent to the terminal that requests to establish the service bearer.
  • the service type of the current service is determined, and the granularity information and the frequency domain resource range of the time-frequency resource for the service type are determined, and the determined granularity information of the time-frequency resource and the frequency domain resource range are sent to
  • the request is made to establish a terminal for the service bearer, so that the granularity of the time-frequency resource and the range of the frequency domain resource can be flexibly adjusted for different types of services, thereby avoiding the use of a fixed time-frequency resource granularity and causing a large uplink scheduling.
  • the delay and the longer HARQ feedback delay can also avoid the use of a smaller frequency domain resource range (carrier bandwidth) and cannot meet the service requirements in the 5G communication scenario.
  • the resource scheduling can flexibly adapt to different service types. It is conducive to improving resource utilization.
  • the granularity information of the time-frequency resource includes the granularity of the frequency domain resource and the granularity of the time domain resource.
  • the granularity of the frequency domain resource is the subcarrier spacing, and the granularity of the time domain resource is the transmission time interval. , referred to as TTI).
  • the step of determining the granularity information and the frequency domain resource range of the time-frequency resource of the service type according to the service type of the current service specifically: the LTE service in the current service
  • the granularity of the time domain resource is determined to be 1 ms
  • the granularity of the frequency domain resource is 15 KHz
  • the frequency domain resource range is all or part of the entire bandwidth.
  • the step of determining, according to the service type of the current service, the granularity information and the frequency domain resource range of the time-frequency resource of the service type specifically: the current service is In the eMBB service, the granularity of the time domain resource is determined as T 1 , the granularity of the frequency domain resource is F 1 , and the frequency domain resource range is all or part of the entire bandwidth, where T 1 ⁇ 1 ms and F 1 > 15 KHz.
  • the granularity of the frequency domain resource is larger than the granularity of the time domain resource of the LTE service, that is, greater than 15 kHz, in order to meet the requirements of the eMBB service.
  • the granularity of the domain resource is smaller than or equal to the granularity of the time domain resource of the LTE service, that is, less than or equal to 1 ms.
  • the step of determining, according to the service type of the current service, the granularity information and the frequency domain resource range of the time-frequency resource of the service type specifically: the current service is In the mMTC service, the granularity of the time domain resource is determined to be T 2 , the granularity of the frequency domain resource is F 2 , and the frequency domain resource range is a partial range of the entire bandwidth, where T 2 ⁇ 1 ms and F 2 ⁇ 15 KHz.
  • the mMTC service since the mMTC service requires a narrowband service and requires a long battery life, the service requires a smaller granularity of the frequency domain and a wider granularity of the time domain resource, so the granularity of the frequency domain resource is smaller than
  • the granularity of the time domain resource of the LTE service that is, less than or equal to 15 kHz, and the granularity of the time domain resource is greater than or equal to the granularity of the time domain resource of the LTE service, that is, greater than or equal to 1 ms.
  • the step of determining, according to the service type of the current service, the granularity information and the frequency domain resource range of the time-frequency resource of the service type specifically: the current service is In the case of the URLLC service, it is determined that the granularity of the time domain resource is T 3 , the granularity of the frequency domain resource is F 3 , and the frequency domain resource range is a partial range of the entire bandwidth, where T 3 ⁇ 1ms, F 3 ⁇ 15KHz.
  • the URLLC service is a highly reliable and low-latency service, it is required to reduce the delay caused by the uplink scheduling delay and the HARQ feedback delay. Therefore, in order to meet the requirements of the URLLC service, the granularity of the frequency domain resource is required.
  • the granularity of the time domain resource that is greater than or equal to the LTE service, that is, greater than or equal to 15 kHz, the granularity of the time domain resource is much smaller than the granularity of the time domain resource of the LTE service, that is, much less than 1 ms.
  • the step of sending the granularity information and the frequency domain resource range of the time-frequency resource of the service type to the terminal requesting to establish the service bearer includes: dividing the entire bandwidth into equal bandwidths. A plurality of frequency domain resource ranges, and indicating to the terminal a starting point of the frequency domain resource range for the service type on the entire bandwidth. The plurality of frequency domain resource ranges do not overlap or partially overlap.
  • the base station since the entire bandwidth has been divided into multiple frequency domain resource ranges with equal bandwidths, the base station only needs to indicate the starting point when indicating the frequency domain resource range for the service type to the terminal, and the terminal can The starting point and the bandwidth of each frequency domain resource range divided over the entire bandwidth determine the frequency domain resource range for the traffic type.
  • the step of transmitting the granularity information and the frequency domain resource range of the time-frequency resource of the service type to the terminal requesting to establish the service bearer includes: dividing the entire bandwidth into bandwidth a plurality of frequency domain resource ranges that are not equal, and indicating to the terminal a starting point and a bandwidth size of the frequency domain resource range for the service type on the entire bandwidth, or indicating to the terminal that the service type is The frequency domain resource ranges from the start and end points of the entire bandwidth.
  • the plurality of frequency domain resource ranges do not overlap or partially overlap.
  • the base station since the entire bandwidth is divided into multiple frequency domain resource ranges with unequal bandwidths, the base station needs to indicate the frequency domain range over the entire bandwidth when indicating the frequency domain resource range for the service type to the terminal. Start point and bandwidth size, or indicate its starting point and end point over the entire bandwidth.
  • the terminal When the terminal indicates the start point and the end point of the frequency domain resource range for the service type on the entire bandwidth, the terminal may indicate multiple consecutive resource blocks in the entire bandwidth, and may also indicate multiple resource blocks that are not consecutive. .
  • the frequency domain resource range includes a first frequency domain range for transmitting a reference signal and a second frequency domain range for transmitting data, where the first frequency domain range And the second frequency domain range does not overlap, partially overlap or overlap.
  • the frequency domain resource range for the service type indicated by the base station to the terminal includes a frequency domain range for transmitting the reference signal (ie, the first frequency domain range) and a frequency domain range for transmitting the data (ie, In the two-frequency domain range, the two frequency domain ranges may not overlap, may overlap partially, or may overlap all.
  • the reference signal is mainly a reference signal used for synchronization and RRM (Radio Resource Management) measurement.
  • the granularity information and the frequency domain resource range of the time-frequency resource of the service type are sent to the request to establish the service bearer by using RRC (Radio Resource Control) signaling. Terminal.
  • RRC Radio Resource Control
  • the method further includes: indicating, by using DCI (Downlink Control Information) signaling, resource block information that is allocated and used by the terminal when processing the current service, where the resource is used.
  • the block information includes frequency domain resources selected in a frequency domain resource range for the service type.
  • a method for allocating communication resources including: receiving first signaling and second signaling sent by a base station; and acquiring, according to the first signaling, the base station according to current service The granularity information of the time-frequency resource and the frequency domain resource range determined by the service type, and acquiring the frequency domain resource selected and allocated by the base station in the frequency domain resource range according to the second signaling; according to the time-frequency resource The granularity information and the frequency domain resource, determining resource block information allocated by the base station for processing the current service; and processing the current service based on the resource block information.
  • the granularity information and the frequency domain resource range of the time-frequency resource determined by the base station according to the service type of the current service are obtained according to the first signaling, so that the granularity of the time-frequency resource can be flexibly adapted for different types of services.
  • the frequency domain resource range is adjusted accordingly, thereby avoiding the use of a fixed time-frequency resource granularity, resulting in a large uplink scheduling delay and a longer HARQ feedback delay, and also avoiding the use of a smaller frequency domain resource range. (Carrier bandwidth) can not meet the service requirements in the 5G communication scenario, and the resource scheduling can flexibly adapt to different service types, which is beneficial to improve resource utilization.
  • the frequency domain resource selected and allocated by the base station in the frequency domain resource range is obtained according to the second signaling, so that the terminal can be scheduled to process the current service.
  • the first signaling is RRC signaling
  • the second signaling is DCI signaling
  • a communication resource allocation apparatus including: a first determining unit, configured to determine a service type of a current service when a service bearer is established; and a second determining unit configured to a service type of the current service determined by the first determining unit, determining granularity information and a frequency domain resource range of the time-frequency resource for the service type, and a sending unit, configured to determine, by the second determining unit, the The granularity information of the time-frequency resource of the service type and the frequency domain resource range are sent to the terminal requesting to establish the service bearer.
  • the service type of the current service is determined, and the granularity information and the frequency domain resource range of the time-frequency resource for the service type are determined, and the determined granularity information of the time-frequency resource and the frequency domain resource range are sent to
  • the request is made to establish a terminal for the service bearer, so that the granularity of the time-frequency resource and the range of the frequency domain resource can be flexibly adjusted for different types of services, thereby avoiding the use of a fixed time-frequency resource granularity and causing a large uplink scheduling.
  • the delay and the longer HARQ feedback delay can also avoid the use of a smaller frequency domain resource range (carrier bandwidth) and cannot meet the service requirements in the 5G communication scenario.
  • the resource scheduling can flexibly adapt to different service types. It is conducive to improving resource utilization.
  • the granularity information of the time-frequency resource includes the granularity of the frequency domain resource and the granularity of the time domain resource, and the granularity of the frequency domain resource is the sub-carrier spacing, and the granularity of the time domain resource is the transmission time interval.
  • the second determining unit is specifically configured to: when the current service is an LTE service, determine that the granularity of the time domain resource is 1 ms, the granularity of the frequency domain resource is 15 KHz, and the frequency domain resource range For all or part of the entire bandwidth.
  • the second determining unit is configured to: when the current service is an eMBB service, determine that the granularity of the time domain resource is T 1 , and the granularity of the frequency domain resource is F 1 ,
  • the frequency domain resource range is all or part of the entire bandwidth, where T 1 ⁇ 1 ms and F 1 > 15 KHz.
  • the granularity of the frequency domain resource is larger than the granularity of the time domain resource of the LTE service, that is, greater than 15 kHz, in order to meet the requirements of the eMBB service.
  • the granularity of the domain resource is smaller than or equal to the granularity of the time domain resource of the LTE service, that is, less than or equal to 1 ms.
  • the second determining unit is configured to: when the current service is a mMTC service, determine that the granularity of the time domain resource is T 2 , and the granularity of the frequency domain resource is F 2 ,
  • the frequency domain resource range is a partial range of the entire bandwidth, where T 2 ⁇ 1 ms and F 2 ⁇ 15 KHz.
  • the mMTC service since the mMTC service requires a narrowband service and requires a long battery life, the service requires a smaller granularity of the frequency domain and a wider granularity of the time domain resource, so the granularity of the frequency domain resource is smaller than
  • the granularity of the time domain resource of the LTE service that is, less than or equal to 15 kHz, and the granularity of the time domain resource is greater than or equal to the granularity of the time domain resource of the LTE service, that is, greater than or equal to 1 ms.
  • the second determining unit is configured to: when the current service is a URLLC service, determine that the granularity of the time domain resource is T 3 , and the granularity of the frequency domain resource is F 3 ,
  • the frequency domain resource range is a partial range of the entire bandwidth, where T 3 ⁇ 1ms, F 3 ⁇ 15KHz.
  • the URLLC service is a highly reliable and low-latency service, it is required to reduce the delay caused by the uplink scheduling delay and the HARQ feedback delay. Therefore, in order to meet the requirements of the URLLC service, the granularity of the frequency domain resource is required.
  • the granularity of the time domain resource that is greater than or equal to the LTE service, that is, greater than or equal to 15 kHz, the granularity of the time domain resource is much smaller than the granularity of the time domain resource of the LTE service, that is, much less than 1 ms.
  • the sending unit is specifically configured to: divide the entire bandwidth into multiple frequency domain resource ranges with equal bandwidths, and indicate to the terminal that the frequency domain resource range for the service type is in the The starting point on the entire bandwidth.
  • the plurality of frequency domain resource ranges do not overlap or partially overlap.
  • the base station since the entire bandwidth has been divided into multiple frequency domain resource ranges with equal bandwidths, the base station only needs to indicate the starting point when indicating the frequency domain resource range for the service type to the terminal, and the terminal can The starting point and the bandwidth of each frequency domain resource range divided over the entire bandwidth determine the frequency domain resource range for the traffic type.
  • the sending unit is specifically configured to: divide the entire bandwidth into multiple frequency domain resource ranges with different bandwidths, and indicate to the terminal a frequency domain resource range for the service type. A starting point and a bandwidth size over the entire bandwidth, or indicating to the terminal a starting point and an ending point of the frequency domain resource range for the traffic type over the entire bandwidth.
  • the plurality of frequency domain resource ranges do not overlap or partially overlap.
  • the base station since the entire bandwidth is divided into multiple frequency domain resource ranges with unequal bandwidths, the base station needs to indicate the frequency domain range over the entire bandwidth when indicating the frequency domain resource range for the service type to the terminal. Start point and bandwidth size, or indicate its starting point and end point over the entire bandwidth.
  • the terminal When the terminal indicates the start point and the end point of the frequency domain resource range for the service type on the entire bandwidth, the terminal may indicate multiple consecutive resource blocks in the entire bandwidth, and may also indicate multiple resource blocks that are not consecutive. .
  • the frequency domain resource range includes a first frequency domain range for transmitting a reference signal and a second frequency domain range for transmitting data, where the first frequency domain range And the second frequency domain range does not overlap, partially overlap or overlap.
  • the frequency domain resource range for the service type indicated by the base station to the terminal includes a frequency domain range for transmitting the reference signal (ie, the first frequency domain range) and a frequency domain range for transmitting the data (ie, In the two-frequency domain range, the two frequency domain ranges may not overlap, may overlap partially, or may overlap all.
  • the reference signal is a reference signal used for synchronization and RRM measurement.
  • the granularity information and the frequency domain resource range for the time-frequency resource of the service type are sent to the terminal that requests to establish the service bearer by using RRC signaling.
  • the sending unit is further configured to: indicate, by using DCI signaling, resource block information that is used by the terminal to be allocated and allocated when processing the current service, where the resource block information includes There are frequency domain resources selected in the frequency domain resource range for the service type.
  • a communication resource allocation apparatus comprising: a receiving unit, configured to receive first signaling and second signaling sent by a base station; and an acquiring unit, configured to be according to the first And acquiring, by the base station, the granularity information of the time-frequency resource and the frequency domain resource range determined by the base station according to the service type of the current service, and acquiring, according to the second signaling, the base station selecting and allocating in the frequency domain resource range a frequency domain resource; a determining unit, configured to determine resource block information allocated by the base station for processing the current service according to the granularity information of the time-frequency resource and the frequency domain resource; and the processing unit is configured to be based on the The resource block information processes the current service.
  • the granularity information and the frequency domain resource range of the time-frequency resource determined by the base station according to the service type of the current service are obtained according to the first signaling, so that the granularity of the time-frequency resource can be flexibly adapted for different types of services.
  • the frequency domain resource range is adjusted accordingly, thereby avoiding the use of a fixed time-frequency resource granularity, resulting in a large uplink scheduling delay and a longer HARQ feedback delay, and also avoiding the use of a smaller frequency domain resource range. (Carrier bandwidth) can not meet the service requirements in the 5G communication scenario, and the resource scheduling can flexibly adapt to different service types, which is beneficial to improve resource utilization.
  • the frequency domain resource selected and allocated by the base station in the frequency domain resource range is obtained according to the second signaling, so that the terminal can be scheduled to process the current service.
  • the first signaling is RRC signaling
  • the second signaling is DCI signaling
  • a base station comprising: a communication resource allocation apparatus according to the above third aspect.
  • a terminal comprising: a communication resource allocation apparatus according to the above fourth aspect.
  • the granularity of the time-frequency resources and the frequency range of the frequency domain resources can be flexibly adjusted correspondingly for different types of services, so that the resource scheduling can flexibly adapt to different service types, which is beneficial to improving resource utilization rate.
  • FIG. 1 is a schematic flow chart showing a method of allocating communication resources according to a first embodiment of the present invention
  • FIG. 2 is a schematic block diagram showing a device for allocating communication resources according to a first embodiment of the present invention
  • Figure 3 shows a schematic block diagram of a base station in accordance with an embodiment of the present invention
  • FIG. 4 is a schematic flow chart showing a method of allocating communication resources according to a second embodiment of the present invention.
  • FIG. 5 is a schematic block diagram showing a device for allocating communication resources according to a second embodiment of the present invention.
  • Figure 6 shows a schematic block diagram of a terminal in accordance with an embodiment of the present invention.
  • FIG. 7 shows a schematic diagram of indicating an RB range by RRC signaling according to an embodiment of the present invention
  • FIG. 8 is a block diagram showing a base station according to an embodiment of the present invention.
  • FIG. 9 shows a block diagram of a terminal in accordance with an embodiment of the present invention.
  • the execution body of the method for allocating the communication resource may be a base station.
  • a method for allocating communication resources includes:
  • step S10 when the service bearer is established, the service type of the current service is determined.
  • the service type of the current service includes but is not limited to: LTE service, eMBB service, mMTC service, and URLLC service.
  • Step S12 Determine, according to the service type of the current service, granularity information and a frequency domain resource range of the time-frequency resource for the service type.
  • the granularity information of the time-frequency resource includes the granularity of the frequency domain resource and the granularity of the time domain resource, and the granularity of the frequency domain resource is the sub-carrier spacing, and the granularity of the time domain resource is the transmission time interval.
  • Step S14 Send the granularity information and the frequency domain resource range of the time-frequency resource for the service type to the terminal that requests to establish the service bearer.
  • step S12 specifically includes: when the current service is an LTE service, determining that the granularity of the time domain resource is 1 ms, the granularity of the frequency domain resource is 15 KHz, and the frequency domain resource range is the entire bandwidth. Or part of the scope.
  • the step S12 specifically includes: when the current service is an eMBB service, determining that the granularity of the time domain resource is T 1 , the granularity of the frequency domain resource is F 1 , and the frequency domain resource range is the entire bandwidth. All or part of the range, where T 1 ⁇ 1 ms and F 1 > 15 KHz.
  • the main metric of the eMBB service is high bandwidth and low delay.
  • the granularity of the frequency domain resource is larger than the granularity of the time domain resource of the LTE service, that is, greater than 15 kHz.
  • the granularity of the domain resource is smaller than or equal to the granularity of the time domain resource of the LTE service, that is, less than or equal to 1 ms.
  • step S12 specifically includes: determining that the granularity of the time domain resource is T 2 when the current service is mMTC service, the granularity of the frequency domain resource is F 2 , and the frequency domain resource range is the entire bandwidth.
  • the partial range where T 2 ⁇ 1 ms, F 2 ⁇ 15 KHz.
  • the service since the mMTC service requires a narrowband service and requires a long battery life, the service requires a smaller granularity of the frequency domain and a wider granularity of the time domain resource, so the granularity of the frequency domain resource is smaller than
  • the granularity of the time domain resource of the LTE service that is, less than or equal to 15 kHz, and the granularity of the time domain resource is greater than or equal to the granularity of the time domain resource of the LTE service, that is, greater than or equal to 1 ms.
  • step S12 specifically includes: when the current service is a URLLC service, determining that the granularity of the time domain resource is T 3 , the granularity of the frequency domain resource is F 3 , and the frequency domain resource range is the entire bandwidth.
  • the partial range where T 3 ⁇ 1ms, F 3 ⁇ 15KHz.
  • the URLLC service is a high-reliability and low-latency service, it is required to reduce the delay caused by the uplink scheduling delay and the HARQ feedback delay. Therefore, in order to meet the requirements of the URLLC service, the granularity of the frequency domain resource is required.
  • the granularity of the time domain resource that is greater than or equal to the LTE service, that is, greater than or equal to 15 kHz, the granularity of the time domain resource is much smaller than the granularity of the time domain resource of the LTE service, that is, much less than 1 ms.
  • step S14 specifically includes: dividing the entire bandwidth into multiple frequency domain resource ranges with equal bandwidths, and indicating to the terminal that the frequency domain resource range for the service type is in the entire bandwidth. The starting point on the top. The plurality of frequency domain resource ranges do not overlap or partially overlap.
  • the base station since the entire bandwidth has been divided into multiple frequency domain resource ranges with equal bandwidths, the base station only needs to indicate the starting point when indicating the frequency domain resource range for the service type to the terminal, and the terminal can The starting point and the bandwidth of each frequency domain resource range divided over the entire bandwidth determine the frequency domain resource range for the traffic type. Certainly, the starting point and the ending point may also be indicated. When the starting point and the ending point of the frequency domain resource range for the service type are indicated to the terminal, the terminal may indicate the consecutive multiple resource blocks in the entire bandwidth, or may Indicates multiple resource blocks that are not consecutive.
  • step S14 specifically includes: dividing the entire bandwidth into a plurality of frequency domain resource ranges with different bandwidths, and indicating to the terminal that the frequency domain resource range for the service type is in the The starting point and bandwidth size over the entire bandwidth, or indicating to the terminal the starting and ending points of the frequency domain resource range for the traffic type over the entire bandwidth.
  • the plurality of frequency domain resource ranges do not overlap or partially overlap.
  • the base station since the entire bandwidth is divided into multiple frequency domain resource ranges with unequal bandwidths, the base station needs to indicate the frequency domain range over the entire bandwidth when indicating the frequency domain resource range for the service type to the terminal. Start point and bandwidth size, or indicate its starting point and end point over the entire bandwidth.
  • the terminal When the terminal indicates the start point and the end point of the frequency domain resource range for the service type on the entire bandwidth, the terminal may indicate multiple consecutive resource blocks in the entire bandwidth, and may also indicate multiple resource blocks that are not consecutive. .
  • the frequency domain resource range includes a first frequency domain range for transmitting a reference signal and a second frequency domain range for transmitting data, where the first frequency domain range And the second frequency domain range does not overlap, partially overlap or overlap.
  • the frequency domain resource range for the service type indicated by the base station to the terminal includes a frequency domain range for transmitting the reference signal (ie, the first frequency domain range) and a frequency domain range for transmitting the data (ie, In the two-frequency domain range, the two frequency domain ranges may not overlap, may overlap partially, or may overlap all.
  • the reference signal refers to a reference signal used for synchronization and RRM measurement.
  • the granularity information and the frequency domain resource range for the time-frequency resource of the service type are sent to the terminal that requests to establish the service bearer by using RRC signaling.
  • the method further includes: indicating, by using DCI signaling, resource block information that is used by the terminal to be allocated and allocated when processing the current service, where the resource block information is included in the The frequency domain resource selected in the frequency domain resource range of the service type.
  • the service type of the current service is determined, and the granularity information and the frequency domain resource range of the time-frequency resource for the service type are determined, and the determined granularity information and frequency domain of the time-frequency resource are determined.
  • the resource range is sent to the terminal that requests the establishment of the service bearer, so that the granularity of the time-frequency resource and the frequency domain resource range can be flexibly adjusted for different types of services, thereby avoiding the use of fixed time-frequency resource granularity.
  • the large uplink scheduling delay and the long HARQ feedback delay can also avoid the use of a smaller frequency domain resource range (carrier bandwidth) and cannot meet the service requirements in the 5G communication scenario, so that the resource scheduling can be flexibly adapted.
  • Different types of services help to improve resource utilization.
  • Fig. 2 is a schematic block diagram showing a distribution device of communication resources according to a first embodiment of the present invention.
  • the communication resource allocation apparatus 200 includes: a first determining unit 202, a second determining unit 204, and a transmitting unit 206.
  • the first determining unit 202 is configured to determine a service type of the current service when the service bearer is established; the second determining unit 204 is configured to determine, according to the service type of the current service determined by the first determining unit 202, The granularity information and the frequency domain resource range of the time-frequency resource of the service type are set; the sending unit 206 is configured to send, to the second determining unit 204, the granularity information and the frequency domain resource range of the time-frequency resource for the service type to Requesting to establish a terminal that carries the service.
  • the service type of the current service is determined, and the granularity information and the frequency domain resource range of the time-frequency resource for the service type are determined, and the determined granularity information of the time-frequency resource and the frequency domain resource range are sent to
  • the request is made to establish a terminal for the service bearer, so that the granularity of the time-frequency resource and the range of the frequency domain resource can be flexibly adjusted for different types of services, thereby avoiding the use of a fixed time-frequency resource granularity and causing a large uplink scheduling.
  • the delay and the longer HARQ feedback delay can also avoid the use of a smaller frequency domain resource range (carrier bandwidth) and cannot meet the service requirements in the 5G communication scenario.
  • the resource scheduling can flexibly adapt to different service types. It is conducive to improving resource utilization.
  • the granularity information of the time-frequency resource includes the granularity of the frequency domain resource and the granularity of the time domain resource, and the granularity of the frequency domain resource is the sub-carrier spacing, and the granularity of the time domain resource is the transmission time interval.
  • the second determining unit 204 is specifically configured to: when the current service is an LTE service, determine that the granularity of the time domain resource is 1 ms, the granularity of the frequency domain resource is 15 KHz, and the frequency domain resource.
  • the range is all or part of the entire bandwidth.
  • the second determining unit 204 is specifically configured to: when the current service is an eMBB service, determine that the granularity of the time domain resource is T 1 , and the granularity of the frequency domain resource is F 1
  • the frequency domain resource range is all or part of the entire bandwidth, where T 1 ⁇ 1 ms and F 1 > 15 KHz.
  • the granularity of the frequency domain resource is larger than the granularity of the time domain resource of the LTE service, that is, greater than 15 kHz, in order to meet the requirements of the eMBB service.
  • the granularity of the domain resource is smaller than or equal to the granularity of the time domain resource of the LTE service, that is, less than or equal to 1 ms.
  • the second determining unit 204 is specifically configured to: when the current service is a mMTC service, determine that the granularity of the time domain resource is T 2 , and the granularity of the frequency domain resource is F 2
  • the frequency domain resource range is a partial range of the entire bandwidth, where T 2 ⁇ 1 ms and F 2 ⁇ 15 KHz.
  • the mMTC service since the mMTC service requires a narrowband service and requires a long battery life, the service requires a smaller granularity of the frequency domain and a wider granularity of the time domain resource, so the granularity of the frequency domain resource is smaller than
  • the granularity of the time domain resource of the LTE service that is, less than or equal to 15 kHz, and the granularity of the time domain resource is greater than or equal to the granularity of the time domain resource of the LTE service, that is, greater than or equal to 1 ms.
  • the second determining unit 204 is specifically configured to: when the current service is a URLLC service, determine that the granularity of the time domain resource is T 3 , and the granularity of the frequency domain resource is F 3 .
  • the frequency domain resource range is a partial range of the entire bandwidth, where T 3 ⁇ 1ms, F 3 ⁇ 15KHz.
  • the URLLC service is a highly reliable and low-latency service, it is required to reduce the delay caused by the uplink scheduling delay and the HARQ feedback delay. Therefore, in order to meet the requirements of the URLLC service, the granularity of the frequency domain resource is required.
  • the granularity of the time domain resource that is greater than or equal to the LTE service, that is, greater than or equal to 15 kHz, the granularity of the time domain resource is much smaller than the granularity of the time domain resource of the LTE service, that is, much less than 1 ms.
  • the sending unit 206 is specifically configured to: divide the entire bandwidth into multiple frequency domain resource ranges with equal bandwidths, and indicate to the terminal that the frequency domain resource range for the service type is The starting point on the entire bandwidth.
  • the plurality of frequency domain resource ranges do not overlap or partially overlap.
  • the base station since the entire bandwidth has been divided into multiple frequency domain resource ranges with equal bandwidths, the base station only needs to indicate the starting point when indicating the frequency domain resource range for the service type to the terminal, and the terminal can The starting point and the bandwidth of each frequency domain resource range divided over the entire bandwidth determine the frequency domain resource range for the traffic type. Certainly, the starting point and the ending point may also be indicated. When the starting point and the ending point of the frequency domain resource range for the service type are indicated to the terminal, the terminal may indicate the consecutive multiple resource blocks in the entire bandwidth, or may Indicates multiple resource blocks that are not consecutive.
  • the sending unit 206 is specifically configured to: divide the entire bandwidth into multiple frequency domain resource ranges with different bandwidths, and indicate to the terminal the frequency domain resources for the service type. A starting point and a bandwidth size over the entire bandwidth, or indicating to the terminal a starting point and an ending point over the entire bandwidth for a frequency domain resource range for the traffic type.
  • the plurality of frequency domain resource ranges do not overlap or partially overlap.
  • the base station since the entire bandwidth is divided into multiple frequency domain resource ranges with unequal bandwidths, the base station needs to indicate the frequency domain range over the entire bandwidth when indicating the frequency domain resource range for the service type to the terminal. Start point and bandwidth size, or indicate its starting point and end point over the entire bandwidth.
  • the terminal When the terminal indicates the start point and the end point of the frequency domain resource range for the service type on the entire bandwidth, the terminal may indicate multiple consecutive resource blocks in the entire bandwidth, and may also indicate multiple resource blocks that are not consecutive. .
  • the frequency domain resource range includes a first frequency domain range for transmitting a reference signal and a second frequency domain range for transmitting data, where the first frequency domain range And the second frequency domain range does not overlap, partially overlap or overlap.
  • the frequency domain resource range for the service type indicated by the base station to the terminal includes a frequency domain range for transmitting the reference signal (ie, the first frequency domain range) and a frequency domain range for transmitting the data (ie, In the two-frequency domain range, the two frequency domain ranges may not overlap, may overlap partially, or may overlap all.
  • the reference signal refers to a reference signal used for synchronization and RRM measurement.
  • the granularity information and the frequency domain resource range for the time-frequency resource of the service type are sent to the terminal that requests to establish the service bearer by using RRC signaling.
  • the sending unit 206 is further configured to: indicate, by using DCI signaling, resource block information that is used by the terminal to be allocated and allocated when processing the current service, where the resource block information is used.
  • a frequency domain resource selected in a range of frequency domain resources for the service type is included.
  • FIG. 3 shows a schematic block diagram of a base station in accordance with an embodiment of the present invention.
  • a base station 300 includes: a distribution device 200 of communication resources as shown in FIG. 2.
  • FIG. 4 shows a schematic flow chart of a method of allocating communication resources according to a second embodiment of the present invention.
  • the execution subject of the communication resource allocation method may be a terminal.
  • a method for allocating communication resources includes:
  • Step S40 Receive first signaling and second signaling sent by the base station.
  • Step S42 acquiring, according to the first signaling, the granularity information and the frequency domain resource range of the time-frequency resource determined by the base station according to the service type of the current service, and acquiring the base station at the frequency according to the second signaling. Frequency domain resources selected and allocated within the domain resource range.
  • Step S44 Determine, according to the granularity information of the time-frequency resource and the frequency domain resource, resource block information allocated by the base station for processing the current service.
  • Step S46 processing the current service based on the resource block information.
  • the first signaling is RRC signaling
  • the second signaling is DCI signaling
  • the granularity information and the frequency domain resource range of the time-frequency resource determined by the base station according to the service type of the current service are obtained according to the first signaling, so that the time can be flexibly adjusted for different types of services.
  • the granularity of the frequency resource and the frequency domain resource range are adjusted accordingly, thereby avoiding the use of a fixed time-frequency resource granularity, resulting in a large uplink scheduling delay and a longer HARQ feedback delay, and also avoiding the use of a smaller
  • the frequency domain resource range (carrier bandwidth) cannot meet the service requirements in the 5G communication scenario, and the resource scheduling can flexibly adapt to different service types, which is beneficial to improving resource utilization rate.
  • the frequency domain resource selected and allocated by the base station in the frequency domain resource range is obtained according to the second signaling, so that the terminal can be scheduled to process the current service.
  • Fig. 5 is a schematic block diagram showing a distribution apparatus of communication resources according to a second embodiment of the present invention.
  • a communication resource allocation apparatus 500 includes a receiving unit 502, an obtaining unit 504, a determining unit 506, and a processing unit 508.
  • the receiving unit 502 is configured to receive the first signaling and the second signaling that are sent by the base station, and the acquiring unit 504 is configured to obtain, according to the first signaling, a granularity of the time-frequency resource that is determined by the base station according to the service type of the current service.
  • the information and the frequency domain resource range are obtained, and the frequency domain resource selected and allocated by the base station in the frequency domain resource range is obtained according to the second signaling;
  • the determining unit 506 is configured to use the granularity information of the time-frequency resource and Determining, by the frequency domain resource, resource block information allocated by the base station for processing the current service;
  • the processing unit 508 is configured to process the current service based on the resource block information.
  • the first signaling is RRC signaling
  • the second signaling is DCI signaling
  • the granularity information and the frequency domain resource range of the time-frequency resource determined by the base station according to the service type of the current service are obtained according to the first signaling, so that the granularity of the time-frequency resource can be flexibly adapted for different types of services.
  • the frequency domain resource range is adjusted accordingly, thereby avoiding the use of a fixed time-frequency resource granularity, resulting in a large uplink scheduling delay and a longer HARQ feedback delay, and also avoiding the use of a smaller frequency domain resource range. (Carrier bandwidth) can not meet the service requirements in the 5G communication scenario, and the resource scheduling can flexibly adapt to different service types, which is beneficial to improve resource utilization.
  • the frequency domain resource selected and allocated by the base station in the frequency domain resource range is obtained according to the second signaling, so that the terminal can be scheduled to process the current service.
  • Figure 6 shows a schematic block diagram of a terminal in accordance with an embodiment of the present invention.
  • a terminal 600 includes: a distribution device 500 of communication resources as shown in FIG.
  • FIG. 8 shows a block diagram of a base station according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the base station 300 includes a processor 301, a memory 302, and a transceiver 303.
  • the transceiver 303 is configured to transmit and receive data with and from an external device.
  • the number of processors 301 in the base station 300 may be one or more.
  • the processor 301, the memory 302, and the transceiver 303 may be connected by a bus system or other means.
  • the base station 300 can be used to perform the method shown in FIG.
  • the program code is stored in the memory 302, and the processor 301 can call the program code stored in the memory 302 to perform related functions through a bus system.
  • the respective units described in FIG. 2 for example, the first determining unit 202, the second determining unit 204, the transmitting unit 206, etc.
  • the processor 301 executes to implement the functions of the various units to implement allocation of communication resources.
  • the processor 301 determining, when the service bearer is established, determining a service type of the current service, and determining, according to the service type of the current service, the granularity information and the frequency domain resource range of the time-frequency resource for the service type. Generating the granularity information and the frequency domain resource range of the time-frequency resource for the service type to the terminal requesting to establish the service bearer.
  • the processor 301 when the current service is an LTE service, determining that the granularity of the time domain resource is 1 ms, the granularity of the frequency domain resource is 15 KHz, and the frequency domain resource range is all of the entire bandwidth or Partial range.
  • the processor 301 when the current service is an eMBB service, determining that the granularity of the time domain resource is T 1 , the granularity of the frequency domain resource is F 1 , and the frequency domain resource range is the entire bandwidth. All or part of the range, where T 1 ⁇ 1 ms and F 1 > 15 KHz.
  • the processor 301 when the current service is a mMTC service, determining that the granularity of the time domain resource is T 2 , the granularity of the frequency domain resource is F 2 , and the frequency domain resource range is the entire bandwidth. Partial range, where T 2 ⁇ 1 ms, F 2 ⁇ 15 KHz.
  • the processor 301 when the current service is a URLLC service, determining that the granularity of the time domain resource is T 3 , the granularity of the frequency domain resource is F 3 , and the frequency domain resource range is the entire bandwidth. Partial range, where T 3 ⁇ 1ms, F 3 ⁇ 15KHz.
  • the processor 301 divides the entire bandwidth into multiple frequency domain resource ranges with equal bandwidths, and indicates to the terminal that the frequency domain resource range for the service type is on the entire bandwidth. Starting point; or
  • the plurality of frequency domain resource ranges do not overlap or partially overlap.
  • the frequency domain resource range includes a first frequency domain range for transmitting a reference signal and a second frequency domain range for transmitting data, wherein the first frequency domain range and the first The two frequency domain ranges do not overlap, partially overlap or overlap.
  • the processor 301 sends the granularity information and the frequency domain resource range for the time-frequency resource of the service type to the terminal that requests to establish the service bearer by using RRC signaling.
  • the processor 301 is configured to indicate, by using DCI signaling, the resource block information that is used by the terminal when the current service is processed, where the resource block information is included in the service.
  • the frequency domain resource selected in the range of frequency domain resources of the type.
  • FIG. 9 shows a block diagram of a terminal in accordance with an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the terminal 600 includes a processor 601, a memory 602, and a transceiver 603.
  • the transceiver 603 is configured to transmit and receive data with and from an external device.
  • the number of processors 601 in the terminal 600 may be one or more.
  • the processor 601, the memory 602, and the transceiver 603 may be connected by a bus system or other means.
  • the terminal 600 can be used to perform the method shown in FIG.
  • the program code is stored in the memory 602, and the processor 601 can call the program code stored in the memory 602 through the bus system to perform related functions.
  • the various units described in FIG. 5 eg, the receiving unit 502, the obtaining unit 504, the determining unit 506, the processing unit 508, etc.
  • the processor 601 executes the processor 601 to implement the functions of the respective units to achieve allocation of communication resources.
  • the processor 601 receives the first signaling and the second signaling sent by the base station, and acquires, according to the first signaling, the granularity information of the time-frequency resource that is determined by the base station according to the service type of the current service, and a frequency domain resource range, and acquiring, according to the second signaling, a frequency domain resource selected and allocated by the base station in the frequency domain resource range; determining, according to the granularity information of the time-frequency resource and the frequency domain resource, The resource block information allocated by the base station for processing the current service; and processing the current service based on the resource block information.
  • the first signaling is RRC signaling
  • the second signaling is DCI signaling
  • the technical solution of the present invention mainly proposes a new communication resource allocation scheme, which can adopt corresponding time-frequency resource granularity and frequency domain resource range for different service types to adapt to 5G communication. demand.
  • the base station sends information about the service bearer to the terminal through RRC signaling, and the information includes the following contents:
  • Subcarrier spacing subcarrier spacing, that is, frequency domain resource granularity
  • Transmission Time Interval the transmission time interval, which is the time domain resource granularity.
  • the transmission time interval in the LTE system is generally 1 ms;
  • the range of RBs that can be allocated where the RB range mainly refers to the range of frequency domain resources.
  • the bandwidth of one carrier in 5G communication may be large, such as 80 MHz or 100 MHz, if the RB range is not defined in the RRC signaling, the overhead of DCI signaling when the terminal is indicated to the specific RB allocation will be relatively large.
  • the indication of the RB range that can be allocated that is, the system information, the reference signal, the synchronization signal, and the like related to the radio service bearer are also transmitted in the RB range, that is, only the RB range needs to be detected. , the wireless service bearer can be handled correctly.
  • the range of RBs used for reference signal and data transmission can be different.
  • the Subcarrier spacing and the Transmission Time Interval are carried for the wireless service, that is, as long as it is a service bearer, the two parameters will not change.
  • the last RB range may change according to the overall service situation, but it can also be semi-statically adjusted through RRC signaling.
  • LTE_RB is the full or partial range of the entire bandwidth.
  • the three parameters are compared with the three parameters of the LTE service as follows:
  • eMBB_RB may be the entire bandwidth or part of the entire bandwidth.
  • the three parameters are compared with the three parameters of LTE as follows:
  • mMTC_RB is a small part of the entire bandwidth, such as only 180KHz.
  • the three parameters are compared with the three parameters of LTE as follows:
  • URLLC_RB is a small part of the overall bandwidth.
  • the method for indicating the RB range is as follows:
  • the base station may first indicate the approximate location of the RB range over the entire bandwidth through RRC signaling.
  • RRC signaling For backward compatibility and simultaneous support for MTC services (narrowband services), the size of the RBs on the entire bandwidth shall be uniform. Therefore, an RB_baseline (RB reference) can be selected, the value of which may be the same as the LTE RB value, that is, 180KHz. Then, when the RRC signaling indicates the RB range, the indication may be performed with the RB_baseline as the granularity.
  • the specific instructions are as follows:
  • the bandwidth of each frequency domain is 20 MHz, and only the starting point of the RB range needs to be indicated;
  • the frequency domain resource regions indicated by the RRC signaling may be independent.
  • the above multiple frequency domain ranges may not overlap at all, or may be partially overlapped.
  • the indicated RB range may be a continuous bandwidth (as shown in FIG. 7), or may be a multi-segment discontinuous bandwidth.
  • the base station After indicating the RB range to the terminal through RRC signaling, the base station indicates the specific RB allocation to the terminal through DCI signaling.
  • the DCI signaling may indicate that N of the 110 RBs are allocated to the terminal.
  • the DCI signaling may indicate that the M eMBB_RBs in the 80 MHz are allocated to the terminal.
  • the eMBB_RB is determined by the sub-carrier spacing and tti of the eMBB, and the size of the eMBB_RB may be many times the RB_baseline 180KHz.
  • the DCI signaling indicates which of the mMTC_RBs are allocated to the terminal.
  • mMTC_RB is determined by the sub-carrier spacing and tti of mMTC. For example, similar to NB-IoT, it indicates which 15KHz is allocated to the terminal.
  • the RB range described above is transmitted for reference signals and data.
  • the RB range for the reference signal and the data transmission may be the same or different, and if not, it needs to be divided into an RB range for the reference signal and an RB range for data transmission.
  • the RB range for the reference signal is mainly used for uplink and downlink synchronization and RRM (Radio Resource Management) measurement
  • the RB range for data transmission is mainly used for transmitting and receiving data.
  • the RB range for the reference signal and the RB range for data transmission may not overlap, partially overlap or completely overlap, or one range may include another range.
  • the terminal does not need to measure or monitor the PDCCH (Physical Downlink Control Channel).
  • PDCCH Physical Downlink Control Channel
  • the number of bits and indication methods used by DCI signaling when indicating may be different.
  • the technical solution of the present invention can design a new RRC signaling to indicate the subcarrier spacing, the transmission time interval, and the RB range used by different services, thereby better scheduling resources for the service and reducing DCI.
  • the overhead of signaling can design a new RRC signaling to indicate the subcarrier spacing, the transmission time interval, and the RB range used by different services, thereby better scheduling resources for the service and reducing DCI.
  • the present invention proposes a new communication resource allocation scheme, which enables flexible response to the granularity of the time-frequency resources and the frequency domain resource range for different types of services.
  • the adjustment enables resource scheduling to flexibly adapt to different types of services, which is beneficial to improving resource utilization.

Abstract

本发明提供了一种通信资源的分配方法、分配装置、基站和终端,其中,通信资源的分配方法,包括:在业务承载建立时,确定当前业务的业务类型;根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围;将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。本发明的技术方案使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。

Description

通信资源的分配方法、分配装置、基站和终端
本申请要求于2016年6月27日提交中国专利局,申请号为201610482642.9、发明名称为“通信资源的分配方法、分配装置、基站和终端”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域,具体而言,涉及一种通信资源的分配方法、一种通信资源的分配装置、一种基站和一种终端。
背景技术
现有的4G以及4.5G移动通信技术,都是基于LTE(Long Term Evolution,长期演进)及LTE-A(LTE-Advanced)的无线接入技术、时频资源粒度和帧结构等。比如目前LTE系统能支持的最大单载波带宽为20MHz,若要支持更大带宽,只能依靠载波聚合(Carrier Aggregation,简称CA)的使用。另外,目前的帧结构主要包括:FDD(Frequency Division Duplexing,频分双工)帧结构、TDD(Time Division Duplexing,时分双工)帧结构和LAA(LTE Assisted Access,LTE辅助接入)非授权载波使用的动态帧结构。不管是哪种帧结构,都包含10个子帧,每个子帧为1ms,每个子帧包含两个slot(时隙),一个slot为0.5ms,每个slot又包含7个symbol(符号)。频域方面,在LTE系统中,子载波间隔主要是15KHz,一个RB(Resource Block,资源块)包含了12个子载波。而在NB-IoT(Narrow Band Internet of Things,基于蜂窝的窄带物联网)中又提出一种新的3.75KHz的子载波间隔,而且NB-IoT的载波带宽仅有180KHz。
在资源分配方面,FDD帧结构和TDD帧结构都是以1ms子帧为时域调度粒度,除了TDD帧结构中的特殊子帧内的DwPTS(Downlink Pilot Time Slot,下行导频时隙)用于传输数据时,时域调度粒度是小于1ms的。同样在LAA非授权载波使用的帧结构中也出现了复用DwPTS作为partial subframe的下行调度时域粒度,同时也使用了1ms整子帧的调度粒度。而在FDD帧结构和TDD帧结构中,除了TDD帧结构中的特殊子帧既有下行发送和上行发送外,其它的子帧都是上行或下行要么时域分开要么频域分开。在LAA非授权载波使用的帧结构中的partial subframe内也会出现同一个子帧前半部分用于下行传输后半部分用于上行传输。
另外,在上行调度方面,LTE系统上行发送的UL grant(上行调度指令)和真正传输上行数据的子帧之间的时间间隔一般在4ms。而HARQ(Hybrid Automatic Repeat Request,混合自动重传请求) ACK/NACK反馈一般是在相应的数据发送之后的4ms及以上时间才能发送。
可见,目前的帧结构和频域资源的粒度都会使得资源分配不够灵活,而上行调度机制与HARQ反馈机制等的时间间隔又使得时延较大,20MHz带宽也不满足高带宽需求。
未来5G通信主要场景包括以下三种:eMBB(enhanced Mobil Broadband,增强的移动宽带网络),mMTC(massive Machine Type Communication,大规模机器类通讯)和URLLC(Ultra-Reliable and Low Latency Communications,高可靠低时延通信)。而这三种场景所针对的业务类型不一样,其需求也不一样。比如:eMBB业务的两个主要指标是高带宽和低时延,在未来的高频通信上,eMBB业务可能支持100MHz的大带宽,而且很可能某个时刻整个带宽都直接分配给一个用户使用,而上行调度时延和HARQ反馈时延也会带来时延影响;mMTC业务需要的是窄带服务,需要电池寿命很长,这种业务就需要更小粒度的频域和更宽粒度的时域资源;对于URLLC业务,也需要减少上行调度时延和HARQ反馈时延带来的时延影响。
也就是说由于业务的多样化,使得目前固定的帧结构、固定的频域资源粒度和时域资源粒度会造成较大的上行调度时延和较长的HARQ反馈时延,并且较小的载波带宽也无法满足业务的多样化需求,上述这些都是亟待解决的技术问题。
发明内容
本发明正是基于上述技术问题至少之一,提出了一种新的通信资源的分配方案,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。
有鉴于此,根据本发明的第一方面,提出了一种通信资源的分配方法,包括:在业务承载建立时,确定当前业务的业务类型;根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围;将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在该技术方案中,通过确定当前业务的业务类型,并确定针对该业务类型的时频资源的粒度信息和频域资源范围,并将确定的时频资源的粒度信息和频域资源范围发送至请求建立业务承载的终端,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,进而能够避免采用固定的时频资源粒度而造成较大的上行调度时延和较长的HARQ反馈时延,同时也能够避免采用较小的频域资源范围(载波带宽)而无法满足5G通信场景中的业务需求,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。
其中,时频资源的粒度信息包括频域资源的粒度和时域资源的粒度,频域资源的粒度即为子载波间隔(subcarrier spacing),时域资源的粒度即为传输时间间隔(Transmission Time Interval,简称TTI)。
在上述技术方案中,优选地,根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围的步骤,具体包括:在所述当前业务为LTE业务时,确定时域资源的粒度为1ms、频域资源的粒度为15KHz、频域资源范围为整个带宽的全部或部分范围。
在上述任一技术方案中,优选地,根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围的步骤,具体包括:在所述当前业务为eMBB业务时,确定时域资源的粒度为T1、频域资源的粒度为F1、频域资源范围为整个带宽的全部或部分范围,其中,T1≤1ms,F1>15KHz。
在该技术方案中,由于eMBB业务的主要指标是高带宽和低时延,为了满足eMBB业务的需求,其频域资源的粒度要大于LTE业务的时域资源的粒度,即大于15KHz,其时域资源的粒度要小于或等于LTE业务的时域资源的粒度,即小于或等于1ms。
在上述任一技术方案中,优选地,根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围的步骤,具体包括:在所述当前业务为mMTC业务时,确定时域资源的粒度为T2、频域资源的粒度为F2、频域资源范围为整个带宽的部分范围,其中,T2≥1ms,F2≤15KHz。
在该技术方案中,由于mMTC业务需要的是窄带服务,需要电池寿命很长,这种业务就需要更小粒度的频域和更宽粒度的时域资源,因此其频域资源的粒度要小于或等于LTE业务的时域资源的粒度,即小于或等于15KHz,其时域资源的粒度要大于或等于LTE业务的时域资源的粒度,即大于或等于1ms。
在上述任一技术方案中,优选地,根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围的步骤,具体包括:在所述当前业务为URLLC业务时,确定时域资源的粒度为T3、频域资源的粒度为F3、频域资源范围为整个带宽的部分范围,其中,T3<< 1ms,F3≥15KHz。
在该技术方案中,由于URLLC业务是高可靠低时延业务,需要减少上行调度时延和HARQ反馈时延带来的时延影响,因此为了满足URLLC业务的需求,其频域资源的粒度要大于或等于LTE业务的时域资源的粒度,即大于或等于15KHz,其时域资源的粒度要远小于LTE业务的时域资源的粒度,即远小于1ms。
在本发明的一个实施例中,将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端的步骤,具体包括:将整个带宽划分为带宽相等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点。其中,所述多个频域资源范围不重叠或部分重叠。
在该实施例中,由于整个带宽已经被划分为带宽相等的多个频域资源范围,因此基站在向终端指示针对业务类型的频域资源范围时仅需指示起始点即可,进而终端能够根据起始点和在整个带宽上划分的每个频域资源范围的带宽来确定针对业务类型的频域资源范围。
在本发明的另一个实施例中,将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端的步骤,具体包括:将整个带宽划分为带宽不等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和带宽大小,或向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和终点。其中,所述多个频域资源范围不重叠或部分重叠。
在该实施例中,由于整个带宽被划分为带宽不等的多个频域资源范围,因此基站在向终端指示针对业务类型的频域资源范围时需要指示该频域范围在整个带宽上的起始点和带宽大小,或指示其在整个带宽上的起始点和终点。其中,当向终端指示针对业务类型的频域资源范围在整个带宽上的起始点和终点时,既可以向终端指示整个带宽上连续的多个资源块,也可以指示不连续的多个资源块。
在上述任一技术方案中,优选地,所述频域资源范围包括用于传输参考信号的第一频域范围和用于传输数据的第二频域范围,其中,所述第一频域范围和所述第二频域范围不重叠、部分重叠或全部重叠。
在该技术方案中,基站向终端指示的针对业务类型的频域资源范围包含了用于传输参考信号的频域范围(即第一频域范围)和用于传输数据的频域范围(即第二频域范围),这两个频域范围既可以不重叠,也可以部分重叠,还可以全部重叠。其中,所述的参考信号主要是用于同步和RRM(Radio Resource Management,无线资源管理)测量的参考信号。
在上述任一技术方案中,优选地,通过RRC(Radio Resource Control,无线资源控制)信令将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在上述任一技术方案中,优选地,还包括:通过DCI(Downlink Control Information,下行控制信息)信令指示所述终端在处理所述当前业务时被调度分配使用的资源块信息,所述资源块信息中包含有在针对所述业务类型的频域资源范围中选取的频域资源。
根据本发明的第二方面,还提出了一种通信资源的分配方法,包括:接收基站发送的第一信令和第二信令;根据所述第一信令获取所述基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,并根据所述第二信令获取所述基站在所述频域资源范围内选取并分配的频域资源;根据所述时频资源的粒度信息和所述频域资源,确定所述基站分配的用于处理所述当前业务的资源块信息;基于所述资源块信息处理所述当前业务。
在该技术方案中,通过根据第一信令获取基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,进而能够避免采用固定的时频资源粒度而造成较大的上行调度时延和较长的HARQ反馈时延,同时也能够避免采用较小的频域资源范围(载波带宽)而无法满足5G通信场景中的业务需求,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。而通过根据第二信令获取基站在频域资源范围内选取并分配的频域资源,使得能够调度终端来对当前业务进行处理。
在上述技术方案中,优选地,所述第一信令为RRC信令,所述第二信令为DCI信令。
根据本发明的第三方面,提出了一种通信资源的分配装置,包括:第一确定单元,设置为在业务承载建立时,确定当前业务的业务类型;第二确定单元,设置为根据所述第一确定单元确定的所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围;发送单元,设置为将所述第二确定单元确定的针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在该技术方案中,通过确定当前业务的业务类型,并确定针对该业务类型的时频资源的粒度信息和频域资源范围,并将确定的时频资源的粒度信息和频域资源范围发送至请求建立业务承载的终端,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,进而能够避免采用固定的时频资源粒度而造成较大的上行调度时延和较长的HARQ反馈时延,同时也能够避免采用较小的频域资源范围(载波带宽)而无法满足5G通信场景中的业务需求,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。
其中,时频资源的粒度信息包括频域资源的粒度和时域资源的粒度,频域资源的粒度即为子载波间隔,时域资源的粒度即为传输时间间隔。
在上述技术方案中,优选地,所述第二确定单元具体设置为:在所述当前业务为LTE业务时,确定时域资源的粒度为1ms、频域资源的粒度为15KHz、频域资源范围为整个带宽的全部或部分范围。
在上述任一技术方案中,优选地,所述第二确定单元具体设置为:在所述当前业务为eMBB业务时,确定时域资源的粒度为T1、频域资源的粒度为F1、频域资源范围为整个带宽的全部或部分范围,其中,T1≤1ms,F1>15KHz。
在该技术方案中,由于eMBB业务的主要指标是高带宽和低时延,为了满足eMBB业务的需求,其频域资源的粒度要大于LTE业务的时域资源的粒度,即大于15KHz,其时域资源的粒度要小于或等于LTE业务的时域资源的粒度,即小于或等于1ms。
在上述任一技术方案中,优选地,所述第二确定单元具体设置为:在所述当前业务为mMTC业务时,确定时域资源的粒度为T2、频域资源的粒度为F2、频域资源范围为整个带宽的部分范围,其中,T2≥1ms,F2≤15KHz。
在该技术方案中,由于mMTC业务需要的是窄带服务,需要电池寿命很长,这种业务就需要更小粒度的频域和更宽粒度的时域资源,因此其频域资源的粒度要小于或等于LTE业务的时域资源的粒度,即小于或等于15KHz,其时域资源的粒度要大于或等于LTE业务的时域资源的粒度,即大于或等于1ms。
在上述任一技术方案中,优选地,所述第二确定单元具体设置为:在所述当前业务为URLLC业务时,确定时域资源的粒度为T3、频域资源的粒度为F3、频域资源范围为整个带宽的部分范围,其中,T3<< 1ms,F3≥15KHz。
在该技术方案中,由于URLLC业务是高可靠低时延业务,需要减少上行调度时延和HARQ反馈时延带来的时延影响,因此为了满足URLLC业务的需求,其频域资源的粒度要大于或等于LTE业务的时域资源的粒度,即大于或等于15KHz,其时域资源的粒度要远小于LTE业务的时域资源的粒度,即远小于1ms。
在本发明的一个实施例中,所述发送单元具体设置为:将整个带宽划分为带宽相等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点。其中,所述多个频域资源范围不重叠或部分重叠。
在该实施例中,由于整个带宽已经被划分为带宽相等的多个频域资源范围,因此基站在向终端指示针对业务类型的频域资源范围时仅需指示起始点即可,进而终端能够根据起始点和在整个带宽上划分的每个频域资源范围的带宽来确定针对业务类型的频域资源范围。
在本发明的另一个实施例中,所述发送单元具体设置为:将整个带宽划分为带宽不等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和带宽大小,或向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和终点。其中,所述多个频域资源范围不重叠或部分重叠。
在该实施例中,由于整个带宽被划分为带宽不等的多个频域资源范围,因此基站在向终端指示针对业务类型的频域资源范围时需要指示该频域范围在整个带宽上的起始点和带宽大小,或指示其在整个带宽上的起始点和终点。其中,当向终端指示针对业务类型的频域资源范围在整个带宽上的起始点和终点时,既可以向终端指示整个带宽上连续的多个资源块,也可以指示不连续的多个资源块。
在上述任一技术方案中,优选地,所述频域资源范围包括用于传输参考信号的第一频域范围和用于传输数据的第二频域范围,其中,所述第一频域范围和所述第二频域范围不重叠、部分重叠或全部重叠。
在该技术方案中,基站向终端指示的针对业务类型的频域资源范围包含了用于传输参考信号的频域范围(即第一频域范围)和用于传输数据的频域范围(即第二频域范围),这两个频域范围既可以不重叠,也可以部分重叠,还可以全部重叠。其中,所述的参考信号为用于同步和RRM测量的参考信号。在上述任一技术方案中,优选地,通过RRC信令将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在上述任一技术方案中,优选地,所述发送单元还设置为:通过DCI信令指示所述终端在处理所述当前业务时被调度分配使用的资源块信息,所述资源块信息中包含有在针对所述业务类型的频域资源范围中选取的频域资源。
根据本发明的第四方面,还提出了一种通信资源的分配装置,包括:接收单元,设置为接收基站发送的第一信令和第二信令;获取单元,设置为根据所述第一信令获取所述基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,并根据所述第二信令获取所述基站在所述频域资源范围内选取并分配的频域资源;确定单元,设置为根据所述时频资源的粒度信息和所述频域资源,确定所述基站分配的用于处理所述当前业务的资源块信息;处理单元,设置为基于所述资源块信息处理所述当前业务。
在该技术方案中,通过根据第一信令获取基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,进而能够避免采用固定的时频资源粒度而造成较大的上行调度时延和较长的HARQ反馈时延,同时也能够避免采用较小的频域资源范围(载波带宽)而无法满足5G通信场景中的业务需求,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。而通过根据第二信令获取基站在频域资源范围内选取并分配的频域资源,使得能够调度终端来对当前业务进行处理。
在上述技术方案中,优选地,所述第一信令为RRC信令,所述第二信令为DCI信令。
根据本发明的第五方面,还提出了一种基站,包括:如上述第三方面所述的通信资源的分配装置。
根据本发明的第六方面,还提出了一种终端,包括:如上述第四方面所述的通信资源的分配装置。
通过以上技术方案,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。
附图说明
图1示出了根据本发明的第一个实施例的通信资源的分配方法的示意流程图;
图2示出了根据本发明的第一个实施例的通信资源的分配装置的示意框图;
图3示出了根据本发明的实施例的基站的示意框图;
图4示出了根据本发明的第二个实施例的通信资源的分配方法的示意流程图;
图5示出了根据本发明的第二个实施例的通信资源的分配装置的示意框图;
图6示出了根据本发明的实施例的终端的示意框图;
图7示出了根据本发明的实施例的通过RRC信令指示RB范围的示意图;
图8示出了根据本发明的实施例的基站的结构图;
图9示出了根据本发明的实施例的终端的结构图。
具体实施方式
为了能够更清楚地理解本发明的上述目的、特征和优点,下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是,在不冲突的情况下,本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明,但是,本发明还可以采用其他不同于在此描述的其他方式来实施,因此,本发明的保护范围并不受下面公开的具体实施例的限制。
图1示出了根据本发明的第一个实施例的通信资源的分配方法的示意流程图。该通信资源的分配方法的执行主体可以是基站。
如图1所示,根据本发明的第一个实施例的通信资源的分配方法,包括:
步骤S10,在业务承载建立时,确定当前业务的业务类型。
在该步骤中,当前业务的业务类型包括但不限于:LTE业务、eMBB业务、mMTC业务和URLLC业务。
步骤S12,根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围。
其中,时频资源的粒度信息包括频域资源的粒度和时域资源的粒度,频域资源的粒度即为子载波间隔,时域资源的粒度即为传输时间间隔。
步骤S14,将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在本发明的一个实施例中,步骤S12具体包括:在所述当前业务为LTE业务时,确定时域资源的粒度为1ms、频域资源的粒度为15KHz、频域资源范围为整个带宽的全部或部分范围。
在本发明的一个实施例中,步骤S12具体包括:在所述当前业务为eMBB业务时,确定时域资源的粒度为T1、频域资源的粒度为F1、频域资源范围为整个带宽的全部或部分范围,其中,T1≤1ms,F1>15KHz。
在该实施例中,由于eMBB业务的主要指标是高带宽和低时延,为了满足eMBB业务的需求,其频域资源的粒度要大于LTE业务的时域资源的粒度,即大于15KHz,其时域资源的粒度要小于或等于LTE业务的时域资源的粒度,即小于或等于1ms。
在本发明的一个实施例中,步骤S12具体包括:在所述当前业务为mMTC业务时,确定时域资源的粒度为T2、频域资源的粒度为F2、频域资源范围为整个带宽的部分范围,其中,T2≥1ms,F2≤15KHz。
在该实施例中,由于mMTC业务需要的是窄带服务,需要电池寿命很长,这种业务就需要更小粒度的频域和更宽粒度的时域资源,因此其频域资源的粒度要小于或等于LTE业务的时域资源的粒度,即小于或等于15KHz,其时域资源的粒度要大于或等于LTE业务的时域资源的粒度,即大于或等于1ms。
在本发明的一个实施例中,步骤S12具体包括:在所述当前业务为URLLC业务时,确定时域资源的粒度为T3、频域资源的粒度为F3、频域资源范围为整个带宽的部分范围,其中,T3<< 1ms,F3≥15KHz。
在该实施例中,由于URLLC业务是高可靠低时延业务,需要减少上行调度时延和HARQ反馈时延带来的时延影响,因此为了满足URLLC业务的需求,其频域资源的粒度要大于或等于LTE业务的时域资源的粒度,即大于或等于15KHz,其时域资源的粒度要远小于LTE业务的时域资源的粒度,即远小于1ms。
在本发明的一个实施例中,步骤S14具体包括:将整个带宽划分为带宽相等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点。其中,所述多个频域资源范围不重叠或部分重叠。
在该实施例中,由于整个带宽已经被划分为带宽相等的多个频域资源范围,因此基站在向终端指示针对业务类型的频域资源范围时仅需指示起始点即可,进而终端能够根据起始点和在整个带宽上划分的每个频域资源范围的带宽来确定针对业务类型的频域资源范围。当然,也可以指示起始点和终点,当向终端指示针对业务类型的频域资源范围在整个带宽上的起始点和终点时,既可以向终端指示整个带宽上连续的多个资源块,也可以指示不连续的多个资源块。
在本发明的另一个实施例中,步骤S14具体包括:将整个带宽划分为带宽不等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和带宽大小,或向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和终点。其中,所述多个频域资源范围不重叠或部分重叠。
在该实施例中,由于整个带宽被划分为带宽不等的多个频域资源范围,因此基站在向终端指示针对业务类型的频域资源范围时需要指示该频域范围在整个带宽上的起始点和带宽大小,或指示其在整个带宽上的起始点和终点。其中,当向终端指示针对业务类型的频域资源范围在整个带宽上的起始点和终点时,既可以向终端指示整个带宽上连续的多个资源块,也可以指示不连续的多个资源块。
在上述任一技术方案中,优选地,所述频域资源范围包括用于传输参考信号的第一频域范围和用于传输数据的第二频域范围,其中,所述第一频域范围和所述第二频域范围不重叠、部分重叠或全部重叠。
在该技术方案中,基站向终端指示的针对业务类型的频域资源范围包含了用于传输参考信号的频域范围(即第一频域范围)和用于传输数据的频域范围(即第二频域范围),这两个频域范围既可以不重叠,也可以部分重叠,还可以全部重叠。其中,所述的参考信号指用于同步和RRM测量的参考信号。
在上述任一技术方案中,优选地,通过RRC信令将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在上述任一技术方案中,优选地,还包括:通过DCI信令指示所述终端在处理所述当前业务时被调度分配使用的资源块信息,所述资源块信息中包含有在针对所述业务类型的频域资源范围中选取的频域资源。
在图1所示的技术方案中,通过确定当前业务的业务类型,并确定针对该业务类型的时频资源的粒度信息和频域资源范围,并将确定的时频资源的粒度信息和频域资源范围发送至请求建立业务承载的终端,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,进而能够避免采用固定的时频资源粒度而造成较大的上行调度时延和较长的HARQ反馈时延,同时也能够避免采用较小的频域资源范围(载波带宽)而无法满足5G通信场景中的业务需求,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。
图2示出了根据本发明的第一个实施例的通信资源的分配装置的示意框图。
如图2所示,根据本发明的第一个实施例的通信资源的分配装置200,包括:第一确定单元202、第二确定单元204和发送单元206。
其中,第一确定单元202设置为在业务承载建立时,确定当前业务的业务类型;第二确定单元204设置为根据所述第一确定单元202确定的所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围;发送单元206设置为将所述第二确定单元204确定的针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在该技术方案中,通过确定当前业务的业务类型,并确定针对该业务类型的时频资源的粒度信息和频域资源范围,并将确定的时频资源的粒度信息和频域资源范围发送至请求建立业务承载的终端,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,进而能够避免采用固定的时频资源粒度而造成较大的上行调度时延和较长的HARQ反馈时延,同时也能够避免采用较小的频域资源范围(载波带宽)而无法满足5G通信场景中的业务需求,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。
其中,时频资源的粒度信息包括频域资源的粒度和时域资源的粒度,频域资源的粒度即为子载波间隔,时域资源的粒度即为传输时间间隔。
在上述技术方案中,优选地,所述第二确定单元204具体设置为:在所述当前业务为LTE业务时,确定时域资源的粒度为1ms、频域资源的粒度为15KHz、频域资源范围为整个带宽的全部或部分范围。
在上述任一技术方案中,优选地,所述第二确定单元204具体设置为:在所述当前业务为eMBB业务时,确定时域资源的粒度为T1、频域资源的粒度为F1、频域资源范围为整个带宽的全部或部分范围,其中,T1≤1ms,F1>15KHz。
在该技术方案中,由于eMBB业务的主要指标是高带宽和低时延,为了满足eMBB业务的需求,其频域资源的粒度要大于LTE业务的时域资源的粒度,即大于15KHz,其时域资源的粒度要小于或等于LTE业务的时域资源的粒度,即小于或等于1ms。
在上述任一技术方案中,优选地,所述第二确定单元204具体设置为:在所述当前业务为mMTC业务时,确定时域资源的粒度为T2、频域资源的粒度为F2、频域资源范围为整个带宽的部分范围,其中,T2≥1ms,F2≤15KHz。
在该技术方案中,由于mMTC业务需要的是窄带服务,需要电池寿命很长,这种业务就需要更小粒度的频域和更宽粒度的时域资源,因此其频域资源的粒度要小于或等于LTE业务的时域资源的粒度,即小于或等于15KHz,其时域资源的粒度要大于或等于LTE业务的时域资源的粒度,即大于或等于1ms。
在上述任一技术方案中,优选地,所述第二确定单元204具体设置为:在所述当前业务为URLLC业务时,确定时域资源的粒度为T3、频域资源的粒度为F3、频域资源范围为整个带宽的部分范围,其中,T3<< 1ms,F3≥15KHz。
在该技术方案中,由于URLLC业务是高可靠低时延业务,需要减少上行调度时延和HARQ反馈时延带来的时延影响,因此为了满足URLLC业务的需求,其频域资源的粒度要大于或等于LTE业务的时域资源的粒度,即大于或等于15KHz,其时域资源的粒度要远小于LTE业务的时域资源的粒度,即远小于1ms。
在本发明的一个实施例中,所述发送单元206具体设置为:将整个带宽划分为带宽相等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点。其中,所述多个频域资源范围不重叠或部分重叠。
在该实施例中,由于整个带宽已经被划分为带宽相等的多个频域资源范围,因此基站在向终端指示针对业务类型的频域资源范围时仅需指示起始点即可,进而终端能够根据起始点和在整个带宽上划分的每个频域资源范围的带宽来确定针对业务类型的频域资源范围。当然,也可以指示起始点和终点,当向终端指示针对业务类型的频域资源范围在整个带宽上的起始点和终点时,既可以向终端指示整个带宽上连续的多个资源块,也可以指示不连续的多个资源块。
在本发明的另一个实施例中,所述发送单元206具体设置为:将整个带宽划分为带宽不等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和带宽大小,或向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和终点。其中,所述多个频域资源范围不重叠或部分重叠。
在该实施例中,由于整个带宽被划分为带宽不等的多个频域资源范围,因此基站在向终端指示针对业务类型的频域资源范围时需要指示该频域范围在整个带宽上的起始点和带宽大小,或指示其在整个带宽上的起始点和终点。其中,当向终端指示针对业务类型的频域资源范围在整个带宽上的起始点和终点时,既可以向终端指示整个带宽上连续的多个资源块,也可以指示不连续的多个资源块。
在上述任一技术方案中,优选地,所述频域资源范围包括用于传输参考信号的第一频域范围和用于传输数据的第二频域范围,其中,所述第一频域范围和所述第二频域范围不重叠、部分重叠或全部重叠。
在该技术方案中,基站向终端指示的针对业务类型的频域资源范围包含了用于传输参考信号的频域范围(即第一频域范围)和用于传输数据的频域范围(即第二频域范围),这两个频域范围既可以不重叠,也可以部分重叠,还可以全部重叠。其中,所述的参考信号指用于同步和RRM测量的参考信号。
在上述任一技术方案中,优选地,通过RRC信令将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在上述任一技术方案中,优选地,所述发送单元206还设置为:通过DCI信令指示所述终端在处理所述当前业务时被调度分配使用的资源块信息,所述资源块信息中包含有在针对所述业务类型的频域资源范围中选取的频域资源。
图3示出了根据本发明的实施例的基站的示意框图。
如图3所示,根据本发明的实施例的基站300,包括:如图2中所示的通信资源的分配装置200。
图4示出了根据本发明的第二个实施例的通信资源的分配方法的示意流程图。该通信资源的分配方法的执行主体可以是终端。
如图4所示,根据本发明的第二个实施例的通信资源的分配方法,包括:
步骤S40,接收基站发送的第一信令和第二信令。
步骤S42,根据所述第一信令获取所述基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,并根据所述第二信令获取所述基站在所述频域资源范围内选取并分配的频域资源。
步骤S44,根据所述时频资源的粒度信息和所述频域资源,确定所述基站分配的用于处理所述当前业务的资源块信息。
步骤S46,基于所述资源块信息处理所述当前业务。
其中,所述第一信令为RRC信令,所述第二信令为DCI信令。
在图4所示的技术方案中,通过根据第一信令获取基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,进而能够避免采用固定的时频资源粒度而造成较大的上行调度时延和较长的HARQ反馈时延,同时也能够避免采用较小的频域资源范围(载波带宽)而无法满足5G通信场景中的业务需求,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。而通过根据第二信令获取基站在频域资源范围内选取并分配的频域资源,使得能够调度终端来对当前业务进行处理。
图5示出了根据本发明的第二个实施例的通信资源的分配装置的示意框图。
如图5所示,根据本发明的第二个实施例的通信资源的分配装置500,包括:接收单元502、获取单元504、确定单元506和处理单元508。
其中,接收单元502设置为接收基站发送的第一信令和第二信令;获取单元504设置为根据所述第一信令获取所述基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,并根据所述第二信令获取所述基站在所述频域资源范围内选取并分配的频域资源;确定单元506设置为根据所述时频资源的粒度信息和所述频域资源,确定所述基站分配的用于处理所述当前业务的资源块信息;处理单元508设置为基于所述资源块信息处理所述当前业务。
其中,所述第一信令为RRC信令,所述第二信令为DCI信令。
在该技术方案中,通过根据第一信令获取基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,进而能够避免采用固定的时频资源粒度而造成较大的上行调度时延和较长的HARQ反馈时延,同时也能够避免采用较小的频域资源范围(载波带宽)而无法满足5G通信场景中的业务需求,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。而通过根据第二信令获取基站在频域资源范围内选取并分配的频域资源,使得能够调度终端来对当前业务进行处理。
图6示出了根据本发明的实施例的终端的示意框图。
如图6所示,根据本发明的实施例的终端600,包括:如图5中所示的通信资源的分配装置500。
图8示出了根据本发明的实施例的基站的结构图。
如图8所示,为本发明实施例提供的一种基站的结构示意图,在本发明实施例中,所述基站300包括处理器301、存储器302和收发器303。收发器303用于与外部设备之间收发数据。所述基站300中的处理器301的数量可以是一个或多个。本发明的一些实施例中,所述处理器301、存储器302和收发器303可通过总线系统或其他方式连接。所述基站300可以用于执行图1所示的方法。
其中,存储器302中存储程序代码,且所述处理器301可通过总线系统,调用所述存储器302中存储的程序代码以执行相关的功能。例如,图2中所述的各个单元(例如,所述第一确定单元202、所述第二确定单元204、所述发送单元206等)是存储在所述存储器302中的程序代码,并由所述处理器301所执行,从而实现所述各个单元的功能以实现通信资源的分配。
具体而言,所述处理器301:在业务承载建立时,确定当前业务的业务类型;根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围;将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在进一步的实施例中,所述处理器301:在所述当前业务为LTE业务时,确定时域资源的粒度为1ms、频域资源的粒度为15KHz、频域资源范围为整个带宽的全部或部分范围。
在进一步的实施例中,所述处理器301:在所述当前业务为eMBB业务时,确定时域资源的粒度为T1、频域资源的粒度为F1、频域资源范围为整个带宽的全部或部分范围,其中,T1≤1ms,F1>15KHz。
在进一步的实施例中,所述处理器301:在所述当前业务为mMTC业务时,确定时域资源的粒度为T2、频域资源的粒度为F2、频域资源范围为整个带宽的部分范围,其中,T2≥1ms,F2≤15KHz。
在进一步的实施例中,所述处理器301:在所述当前业务为URLLC业务时,确定时域资源的粒度为T3、频域资源的粒度为F3、频域资源范围为整个带宽的部分范围,其中,T3<< 1ms,F3≥15KHz。
在进一步的实施例中,所述处理器301:将整个带宽划分为带宽相等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点;或
将整个带宽划分为带宽不等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和带宽大小,或向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和终点。
在进一步的实施例中,所述多个频域资源范围不重叠或部分重叠。
在进一步的实施例中,所述频域资源范围包括用于传输参考信号的第一频域范围和用于传输数据的第二频域范围,其中,所述第一频域范围和所述第二频域范围不重叠、部分重叠或全部重叠。
在进一步的实施例中,所述处理器301:通过RRC信令将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
在进一步的实施例中,所述处理器301:通过DCI信令指示所述终端在处理所述当前业务时被调度分配使用的资源块信息,所述资源块信息中包含有在针对所述业务类型的频域资源范围中选取的频域资源。
图9示出了根据本发明的实施例的终端的结构图。
如图9所示,为本发明实施例提供的一种终端的结构示意图,在本发明实施例中,所述终端600包括处理器601、存储器602和收发器603。收发器603用于与外部设备之间收发数据。所述终端600中的处理器601的数量可以是一个或多个。本发明的一些实施例中,所述处理器601、存储器602和收发器603可通过总线系统或其他方式连接。所述终端600可以用于执行图4所示的方法。
其中,存储器602中存储程序代码,且所述处理器601可通过总线系统,调用所述存储器602中存储的程序代码以执行相关的功能。例如,图5中所述的各个单元(例如,所述接收单元502、所述获取单元504、所述确定单元506、所述处理单元508等)是存储在所述存储器602中的程序代码,并由所述处理器601所执行,从而实现所述各个单元的功能以实现通信资源的分配。
具体而言,所述处理器601:接收基站发送的第一信令和第二信令;根据所述第一信令获取所述基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,并根据所述第二信令获取所述基站在所述频域资源范围内选取并分配的频域资源;根据所述时频资源的粒度信息和所述频域资源,确定所述基站分配的用于处理所述当前业务的资源块信息;基于所述资源块信息处理所述当前业务。
在进一步的实施例中,所述第一信令为RRC信令,所述第二信令为DCI信令。
综上所述,本发明的技术方案主要是提出了一种新的通信资源的分配方案,可以针对不同的业务类型,采用相应的时频资源粒度和频域资源范围,以适应于5G通信的需求。
具体包括以下几个方面:
一、在终端的每个业务承载建立时,基站通过RRC信令向该终端发送关于该业务承载的信息,这些信息包含的内容如下:
1、Subcarrier spacing,子载波间隔,也就是频域资源粒度;
2、Transmission Time Interval,传输时间间隔,也就是时域资源粒度。其中,LTE系统中的传输时间间隔一般是1ms;
3、可分配的RB范围,此处RB范围主要指的是频域资源的范围。
由于5G通信中一个载波的带宽可能很大,比如80MHz或者100MHz,因此如果不在RRC信令中限定一下RB范围,那么后续向终端指示具体RB分配时的DCI信令的开销将比较大。对于可分配的RB范围的指示还有一个含义,即该无线业务承载相关的系统信息、参考信号、同步信号等也都在该RB范围内发送,也就是说只需要在该RB范围内进行检测,就能正确处理该无线业务承载。当然用于参考信号和数据发送的RB范围可以不一样。
在RRC信令向终端通知的以上三种信息中,Subcarrier spacing和Transmission Time Interval是针对无线业务承载的,也就是说只要是一个业务承载,这两个参数就不会变。而最后一个RB范围,可能根据整体业务情况进行变化,但也可以通过RRC信令进行半静态的调整。
二、针对不同的业务类型,上述三个参数的取值具体如下:
1、对于传统的LTE业务,上述三个参数的取值依次如下:
LTE_Subcarr Space=15KHz;
LTE_tti=1ms;
LTE_RB为整个带宽的全部或部分范围。
2、对于eMBB业务,其三个参数与LTE业务的三个参数比较如下:
eMBB_Subcarr Space>LTE_Subcarr Space;
eMBB_tti≤LTE_tti;
eMBB_RB可能是整个带宽也可能是整个带宽的一部分。
3、对于mMTC业务,其三个参数与LTE的三个参数比较如下:
mMTC_Subcarr Space≤LTE_Subcarr Space;
mMTC _tti≥LTE_tti;
mMTC_RB是整个带宽的很小一部分,比如只有180KHz。
4、对于URLLC业务,其三个参数与LTE的三个参数比较如下:
URLLC_Subcarr Space≥LTE_Subcarr Space;
URLLC _tti << LTE_tti,即URLLC的tti远远小于LTE的tti;
URLLC_RB是整个带宽的很小一部分。
三、基站在通过RRC信令向终端发送关于该业务承载的信息时,对于RB范围的指示方法具体如下:
基站可以先通过RRC信令指示出RB范围在整个带宽上的大概位置,为了后向兼容和同时支持MTC业务(窄带业务),在整个带宽上RB的大小值是要统一的。因此可以选择一个RB_baseline(RB基准),其值可能与LTE的RB值一样,即可以是180KHz。那么在RRC信令指示RB范围时,可以以RB_baseline为粒度来进行指示。具体的指示方法如下:
1、当整个带宽上划分的多个频域范围的带宽都相同时,比如每个频域范围的带宽都是20MHz,这时只需要指示RB范围的起点即可;
2、当整个带宽上划分的多个频域范围的带宽不定时,需要同时指示RB范围的起点和带宽大小,或者指示RB范围的起点和终点。
针对以上两种指示方法:若RRC信令针对的业务不同,即同一个终端有多个业务的话,则可能RRC信令指示的频域资源区域是独立的。另外,上述的多个频域范围可能是完全不重叠的,也可能是有部分重叠的。并且,指示的RB范围可以是一段连续的带宽(如图7所示),也可能是多段不连续的带宽。
三、基站在通过RRC信令向终端指示完RB范围后,通过DCI信令向终端指示具体的RB分配。
具体地,比如对于LTE业务,若基站通过RRC信令指示的RB范围包含了110个RB(即20MHz),则DCI信令可以指示该110个RB中的其中N个RB分配给终端。
对于eMBB业务,若RB范围指示了整个带宽为80MHz,那么DCI信令可以指示该80MHz中的其中M个eMBB_RB分配给终端。其中,eMBB_RB由eMBB的sub-carrier spacing和tti决定,eMBB_RB的大小可能是RB_baseline 180KHz的很多倍。
对于mMTC业务,若RB范围指示了其中1个RB,那么DCI信令要指示其中的哪些个mMTC_RB分配给终端。其中,mMTC_RB由mMTC的sub-carrier spacing和tti决定,比如类似NB-IoT中,指示的就是哪些个15KHz分配给终端。
上述所述的RB范围是针对参考信号和数据发送的。其中,针对参考信号和针对数据发送的RB范围可以是一样的,也可以是不一样的,如果不一样,则需要分成针对参考信号的RB范围和针对数据发送的RB范围。针对参考信号的RB范围主要用来上下行同步和RRM(Radio Resource Management,无线资源管理)测量等,针对数据发送的RB范围主要用来发送和接收数据。对于同一终端来说,针对参考信号的RB范围和针对数据发送的RB范围可以不重叠、部分重叠或完全重叠,也可以是一个范围包含另一个范围。
同时,对于不在上述两个范围(即针对参考信号的RB范围和针对数据发送的RB范围)内的频域资源,终端不需要去测量也不需要监听PDCCH(Physical Downlink Control Channel,物理下行控制信道)。
此外,对于不同业务类型来说,DCI信令在指示时所使用的bit数和指示方法可以不一样。
四、终端的处理过程:
1、接收基站发送的RRC信令和DCI信令;
2、从RRC信令中获得基站指示的RB范围、当前业务的sub-carrier spacing和tti。比如若是eMBB业务,那么其使用eMBB_RB为粒度。
3、根据DCI信令中的指示,确定RB范围内具体的频域资源是分配给自己使用的。比如确定哪些个eMBB_RB值是分配给自己的。
4、基于确定的时频资源来处理当前业务。
可见,本发明的技术方案通过设计新的RRC信令,以指示不同业务对应的子载波间隔、传输时间间隔,以及使用的RB范围,从而能够更好的为该业务调度资源,并且能够减少DCI信令的开销。
以上结合附图详细说明了本发明的技术方案,本发明提出了一种新的通信资源的分配方案,使得能够针对不同类型的业务,灵活地对时频资源的粒度和频域资源范围进行相应的调整,实现了资源调度能够灵活地适应不同的业务类型,有利于提高资源使用率。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (22)

  1. 一种通信资源的分配方法,其特征在于,包括:
    在业务承载建立时,确定当前业务的业务类型;
    根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围;
    将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
  2. 根据权利要求1所述的通信资源的分配方法,其特征在于,根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围的步骤,具体包括:
    在所述当前业务为LTE业务时,确定时域资源的粒度为1ms、频域资源的粒度为15KHz、频域资源范围为整个带宽的全部或部分范围。
  3. 根据权利要求1所述的通信资源的分配方法,其特征在于,根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围的步骤,具体包括:
    在所述当前业务为eMBB业务时,确定时域资源的粒度为T1、频域资源的粒度为F1、频域资源范围为整个带宽的全部或部分范围,
    其中,T1≤1ms,F1>15KHz。
  4. 根据权利要求1所述的通信资源的分配方法,其特征在于,根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围的步骤,具体包括:
    在所述当前业务为mMTC业务时,确定时域资源的粒度为T2、频域资源的粒度为F2、频域资源范围为整个带宽的部分范围,
    其中,T2≥1ms,F2≤15KHz。
  5. 根据权利要求1所述的通信资源的分配方法,其特征在于,根据所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围的步骤,具体包括:
    在所述当前业务为URLLC业务时,确定时域资源的粒度为T3、频域资源的粒度为F3、频域资源范围为整个带宽的部分范围,
    其中,T3<< 1ms,F3≥15KHz。
  6. 根据权利要求1所述的通信资源的分配方法,其特征在于,将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端的步骤,具体包括:
    将整个带宽划分为带宽相等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点;或
    将整个带宽划分为带宽不等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和带宽大小,或向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和终点。
  7. 根据权利要求6所述的通信资源的分配方法,其特征在于,所述多个频域资源范围不重叠或部分重叠。
  8. 根据权利要求1所述的通信资源的分配方法,其特征在于,所述频域资源范围包括用于传输参考信号的第一频域范围和用于传输数据的第二频域范围,其中,所述第一频域范围和所述第二频域范围不重叠、部分重叠或全部重叠。
  9. 根据权利要求1至8中任一项所述的通信资源的分配方法,其特征在于,通过RRC信令将针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
  10. 根据权利要求1至8中任一项所述的通信资源的分配方法,其特征在于,还包括:
    通过DCI信令指示所述终端在处理所述当前业务时被调度分配使用的资源块信息,所述资源块信息中包含有在针对所述业务类型的频域资源范围中选取的频域资源。
  11. 一种通信资源的分配方法,其特征在于,包括:
    接收基站发送的第一信令和第二信令;
    根据所述第一信令获取所述基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,并根据所述第二信令获取所述基站在所述频域资源范围内选取并分配的频域资源;
    根据所述时频资源的粒度信息和所述频域资源,确定所述基站分配的用于处理所述当前业务的资源块信息;
    基于所述资源块信息处理所述当前业务。
  12. 根据权利要求11所述的通信资源的分配方法,其特征在于,所述第一信令为RRC信令,所述第二信令为DCI信令。
  13. 一种通信资源的分配装置,其特征在于,包括:
    第一确定单元,设置为在业务承载建立时,确定当前业务的业务类型;
    第二确定单元,设置为根据所述第一确定单元确定的所述当前业务的业务类型,确定针对所述业务类型的时频资源的粒度信息和频域资源范围;
    发送单元,设置为将所述第二确定单元确定的针对所述业务类型的时频资源的粒度信息和频域资源范围发送至请求建立所述业务承载的终端。
  14. 根据权利要求13所述的通信资源的分配装置,其特征在于,所述第二确定单元具体设置为:
    在所述当前业务为LTE业务时,确定时域资源的粒度为1ms、频域资源的粒度为15KHz、频域资源范围为整个带宽的全部或部分范围;
    在所述当前业务为eMBB业务时,确定时域资源的粒度为T1、频域资源的粒度为F1、频域资源范围为整个带宽的全部或部分范围,其中,T1≤1ms,F1>15KHz;
    在所述当前业务为mMTC业务时,确定时域资源的粒度为T2、频域资源的粒度为F2、频域资源范围为整个带宽的部分范围,其中,T2≥1ms,F2≤15KHz;
    在所述当前业务为URLLC业务时,确定时域资源的粒度为T3、频域资源的粒度为F3、频域资源范围为整个带宽的部分范围,其中,T3<< 1ms,F3≥15KHz。
  15. 根据权利要求13所述的通信资源的分配装置,其特征在于,所述发送单元具体设置为:
    将整个带宽划分为带宽相等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点;或
    将整个带宽划分为带宽不等的多个频域资源范围,并向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和带宽大小,或向所述终端指示针对所述业务类型的频域资源范围在所述整个带宽上的起始点和终点。
  16. 根据权利要求15所述的通信资源的分配装置,其特征在于,所述多个频域资源范围不重叠或部分重叠。
  17. 根据权利要求13所述的通信资源的分配装置,其特征在于,所述频域资源范围包括用于传输参考信号的第一频域范围和用于传输数据的第二频域范围,其中,所述第一频域范围和所述第二频域范围不重叠、部分重叠或全部重叠。
  18. 根据权利要求13至17中任一项所述的通信资源的分配装置,其特征在于,所述发送单元还设置为:
    通过DCI信令指示所述终端在处理所述当前业务时被调度分配使用的资源块信息,所述资源块信息中包含有在针对所述业务类型的频域资源范围中选取的频域资源。
  19. 一种通信资源的分配装置,其特征在于,包括:
    接收单元,设置为接收基站发送的第一信令和第二信令;
    获取单元,设置为根据所述第一信令获取所述基站根据当前业务的业务类型确定的时频资源的粒度信息和频域资源范围,并根据所述第二信令获取所述基站在所述频域资源范围内选取并分配的频域资源;
    确定单元,设置为根据所述时频资源的粒度信息和所述频域资源,确定所述基站分配的用于处理所述当前业务的资源块信息;
    处理单元,设置为基于所述资源块信息处理所述当前业务。
  20. 根据权利要求19所述的通信资源的分配装置,其特征在于,所述第一信令为RRC信令,所述第二信令为DCI信令。
  21. 一种基站,其特征在于,包括:如权利要求13至18中任一项所述的通信资源的分配装置。
  22. 一种终端,其特征在于,包括:如权利要求19或20所述的通信资源的分配装置。
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