WO2013037299A1 - 传输数据的方法、物联网设备和网络侧设备 - Google Patents

传输数据的方法、物联网设备和网络侧设备 Download PDF

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Publication number
WO2013037299A1
WO2013037299A1 PCT/CN2012/081351 CN2012081351W WO2013037299A1 WO 2013037299 A1 WO2013037299 A1 WO 2013037299A1 CN 2012081351 W CN2012081351 W CN 2012081351W WO 2013037299 A1 WO2013037299 A1 WO 2013037299A1
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WIPO (PCT)
Prior art keywords
resource
dedicated retransmission
retransmission resource
harq data
dedicated
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PCT/CN2012/081351
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English (en)
French (fr)
Inventor
王力
李龠
马洁
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华为技术有限公司
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Publication of WO2013037299A1 publication Critical patent/WO2013037299A1/zh

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Classifications

    • 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
    • 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
    • H04L1/1867Arrangements specially adapted for the transmitter end
    • H04L1/1887Scheduling and prioritising arrangements
    • 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]

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for transmitting data, an Internet of Things device, and a network side device.
  • the Internet of Things refers to interconnecting a large number of intelligent terminals through a network to achieve coordinated interoperability.
  • the Internet of Things based on cellular wireless communication is the most cost-effective way to communicate with existing intelligent wireless networks using existing cellular wireless networks.
  • M2M Machine to Machine
  • the number of devices will become enormous. These devices will be tightly integrated with wireless communication technologies, and data will be obtained through wireless connections and reported to the control center.
  • ⁇ 2 ⁇ devices a large number of random or periodic reporting data from various specific applications, such as wireless water meters/meters, vending machines, POS machines, remote control devices in smart grids, etc., have been generated.
  • the characteristics of huge number of users, small data, and concentrated reporting time will have a great impact on system resources.
  • the present invention provides a method for transmitting data, an Internet of Things device, and a network side device for solving the problem of low resource utilization.
  • a method of transmitting data including:
  • the IoT device learns the time-frequency resource that the network-side device divides for the IoT device, and the time-frequency resource includes a basic report resource and a dedicated retransmission resource; the basic report resource is smaller than the first report resource, and the first report is The resource is a time-frequency resource allocated by the network side device to the group where the IoT device is located;
  • the IoT device performs hybrid automatic repeat request HARQ data transmission on the basically reported resource
  • an IoT device including:
  • the learning module is configured to learn the time-frequency resource that is divided by the network-side device, where the time-frequency resource includes a basic reporting resource and a dedicated retransmission resource; the basic reporting resource is smaller than the first reporting resource, and the first reporting resource is
  • the network side device is a time-frequency resource divided by the group in which the Internet of Things device is located;
  • a transmitting module configured to perform hybrid automatic retransmission request HARQ data transmission on the basic reporting resource learned by the learning module
  • a processing module configured to: when the transmitting module does not complete the HARQ data transmission in the basic reporting resource, scheduling the uncompleted HARQ data to the dedicated retransmission resource learned by the learning module Transfer.
  • a method of transmitting data comprising:
  • the network side device allocates time-frequency resources for the IoT device group, and the time-frequency resources include basic The reporting resource and the dedicated retransmission resource; the basic reporting resource is smaller than the first reporting resource, and the first reporting resource is a time-frequency resource allocated by the network side device to the Internet of Things device in the IoT device group;
  • the network side device notifies the IoT device of the IoT device group to the IoT device group, so that each IoT device in the IoT device group is based on the basically reported resource and
  • the dedicated retransmission resource performs hybrid automatic repeat request (HARQ data transmission), and when the IoT device does not complete the HARQ data transmission in the basic reporting resource, scheduling the uncompleted HARQ data to The dedicated retransmission resource is transmitted.
  • HARQ data transmission hybrid automatic repeat request
  • a network side device where the device includes:
  • a dividing module configured to allocate a time-frequency resource for the IoT device group, where the time-frequency resource includes a basic reporting resource and a dedicated retransmission resource; the basic reporting resource is smaller than the first reporting resource, and the first reporting resource is a time-frequency resource allocated by the network side device to the IoT device in the IoT device group;
  • a notification module configured to notify the IoT device of the IoT device group of the time-frequency resource information of the group divided by the dividing module, and make each Internet of things in the IoT device group
  • the device performs hybrid automatic repeat request HARQ data transmission according to the basic reporting resource and the dedicated retransmission resource, and when the IoT device does not complete the HARQ data transmission in the basic reporting resource, The HARQ data of the incomplete transmission is scheduled to be transmitted to the dedicated retransmission resource.
  • the invention provides a method for transmitting data, an Internet of Things device and a network side device.
  • each device in the basic transmission resource occupies The time-frequency resource is smaller than the time-frequency resource allocated in the prior art.
  • the HARQ data transmission is not completed in the basic transmission resource, the HARQ data that is not completed is scheduled to be transmitted to the dedicated retransmission resource, and is transmitted through a group of devices.
  • the dedicated HARQ resource the basic transmission resources needed to complete the entire transmission plus the dedicated retransmission resources become more Small, thus increasing the utilization of resources.
  • FIG. 1 is a flowchart of a method for transmitting data according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for transmitting data according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a non-synchronized HARQ method for time-frequency division according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of an asynchronous HARQ method in which all HARQs are transmitted through dedicated retransmission resources according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a synchronous HARQ method for time domain partitioning according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a frequency domain partitioning method based on a time domain partitioning dedicated retransmission resource according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of a time domain division method based on a frequency domain division dedicated retransmission resource according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an Internet of Things device according to an embodiment of the present invention.
  • FIG. 9 is a flowchart of a method for transmitting data according to another embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a network side device according to another embodiment of the present invention.
  • FIG. 11 is a schematic diagram of another network side device according to another embodiment of the present invention.
  • the present invention will be further described in detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the present invention. Embodiments, not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • a dedicated physical resource is allocated to a group of small data M2M devices.
  • the base station Before the terminal reports data, the base station performs static scheduling on the time reported by each terminal, polls each device in time, and uses the device in the scheduling time window. Data is transmitted in a statically scheduled manner. Notify the information of the corresponding time position of each device:
  • Broadcast group indication and time stamp notify the group start time and the upper ⁇ period.
  • the RB (Resource Block) of the group equipment is allocated to the RB (Resource Block).
  • the maximum number of retransmissions is 3, and the time window is allocated to each subframe.
  • the UE1 User Equipment, User Equipment
  • each device can initiate transmissions in different time windows in sequence, which greatly reduces scheduling overhead and reporting density.
  • the time for different devices to complete transmission will be different depending on the number of HARQ (Hybrid Automatic Repeat Request), so the time window assigned to each device when statically scheduled is According to the device set up for a long time, for a device that takes a short time, a large amount of resources are wasted and the waiting delay of the device is increased; if the device is set according to a shorter time, it is not correct.
  • the transmitted equipment needs to be separately scheduled, which causes double waste of scheduling and transmission resources. Even if the time of selection is compromised, it will also cause time waste of some devices, and rescheduling of some devices, resulting in low resource utilization.
  • the present invention provides the following technical solutions:
  • an embodiment of the present invention provides a method for transmitting data, including: 101: The IoT device learns a time-frequency resource allocated by the network side device for the IoT device, where the time-frequency resource includes a basic report resource and a dedicated retransmission resource;
  • the IoT device performs hybrid automatic repeat request HARQ data transmission on the basic report resource
  • the first reporting resource is a time-frequency resource allocated to the group in which the IoT device is located in the prior art, and the basic reporting resource is smaller than the first reporting resource.
  • the dedicated retransmission resource includes a first dedicated retransmission resource, and the substantially reporting resource and correspondingly, when the IoT device fails to complete the HARQ data transmission in the basic reporting resource,
  • the HARQ data scheduling of the uncompleted transmission is transmitted to the dedicated retransmission resource for transmission, including:
  • the IoT device Receiving, by the IoT device, the first scheduling information sent by the network side device when the HARQ data transmission is not completed in the basic reporting resource, and the unsuccessful according to the indication of the first scheduling information
  • the transmitted HARQ data is scheduled to be transmitted on the first dedicated retransmission resource.
  • the dedicated retransmission resource further includes a second dedicated retransmission resource, where the second dedicated retransmission resource and the first dedicated retransmission resource respectively occupy different frequency domain resources, and the first dedicated retransmission The resource is the same as the starting point occupied by the second dedicated retransmission resource in the time domain;
  • scheduling the uncompleted HARQ data to be transmitted to the dedicated retransmission resource including:
  • the dedicated retransmission resource includes a third dedicated retransmission resource, where the base The reporting resource and the third dedicated retransmission resource respectively occupy resources in different frequency domains;
  • the uncompleted HARQ data is scheduled to be transmitted to the dedicated retransmission resource, including:
  • the dedicated retransmission resource further includes a fourth dedicated retransmission resource, where the fourth dedicated retransmission resource and the basically reported resource respectively occupy different time domain resources of the same frequency domain resource, and the The four dedicated retransmission resources are different from the starting point occupied by the third dedicated retransmission resource in the time domain;
  • scheduling the uncompleted HARQ data to be transmitted to the dedicated retransmission resource including:
  • the uncompleted The transmitted HARQ data is scheduled to be transmitted to the fourth dedicated retransmission resource.
  • the division between the dedicated retransmission resource and the basic reporting resource in different frequency domains, such as the basic reporting resource and the second dedicated retransmission resource are not in the same frequency domain, or basically reporting the resource and the third dedicated weight If the resource is not in the same time domain, when the IoT device does not complete the HARQ data transmission in the basic reporting resource, scheduling the uncompleted HARQ data to be performed on the dedicated retransmission resource.
  • Transmission including:
  • the IoT device When the IoT device does not complete the HARQ data transmission in the basic reporting resource, if the dedicated retransmission resource occupied by the HARQ data that is not completed is transmitted and any other than the Internet of Things device And the IoT device receives the third scheduling information sent by the network side device, where the IoT device transmits the dedicated retransmission resource occupied by the HARQ data; And scheduling, according to the indication of the third scheduling information, the HARQ data that is not completed to be transmitted to the dedicated weight that does not collide with a dedicated retransmission resource occupied by the other Internet of Things device to transmit HARQ data. Transfer on the resource.
  • the method provided by the present invention provides the following advantages: For a group of devices that use static scheduling, by setting basic transmission resources and dedicated retransmission resources, the time-frequency resources occupied by each device in the basic transmission resources are smaller than the existing ones.
  • the time-frequency resource allocated in the technology when the HARQ data transmission is not completed in the basic transmission resource, the HARQ data that is not completed is scheduled to be transmitted to the dedicated retransmission resource for transmission, and the dedicated HARQ resource is multiplexed by a group of devices.
  • the basic transmission resources required to complete the entire transmission plus the dedicated retransmission resources become smaller, thereby improving the utilization of resources.
  • an embodiment of the present invention provides a method for transmitting data, including:
  • the network side device allocates time-frequency resources for uplink data transmission for a group of IoT devices with the same or similar service types.
  • the M2M device when the M2M device needs to send the uplink data, the M2M device sends a scheduling request message to the network side device, and the network side device is configured to allocate the uplink data transmission resource to the M2M device, and the network side device receives the M2M device to send the data.
  • the uplink measurement signal is obtained from the M2M device, and the uplink channel information of the M2M device is obtained according to the uplink measurement signal sent by the M2M device, thereby dividing the time-frequency resource for a group of the same or similar user equipment.
  • the network side device is exemplified by an eNB (evolved Node Base), but the network side device is not limited to the eNB.
  • the M2M device is described by taking the UE as an example, but the M2M device is not limited to the UE.
  • the same equipment, the smart meter with the number of electricity reported, the base station can divide 10 or 20 smart meters into one group according to the strategy; the services with similar services, such as smart water meter and smart meter, although smart The meter is used to report the amount of electricity, and the smart meter is used to report the amount of water.
  • both devices are reported and can be divided into smart meters and smart meters. Into a group.
  • the method for periodically polling the static scheduling device may allocate a shorter transmission time to each device (at least for initial transmission), which cannot be completed within the allocation time.
  • the HARQ data is scheduled to be transmitted to other dedicated time-frequency resources.
  • the base station first allocates dedicated time-frequency resources for a group of devices with the same or similar service type for uplink data transmission, and notifies the sequence number, group label, code modulation mode, and resources of each device through pre-configuration or RRC.
  • the location and the GRANT (authorization) size (which may also include the reporting period), and then notify the group device of the reporting start time and the reporting time window length by broadcasting, and the device receiving the broadcast information according to its own serial number, reporting time window length and
  • the start time calculates the reporting start time of the device.
  • the dedicated time-frequency resources allocated for the group of devices include two parts, a basic transmission resource and a dedicated retransmission resource.
  • the basic reporting resource can at least ensure the transmission of the basic HARQ data, and is smaller than the first reporting resource.
  • the first reporting resource is a reporting resource allocated by the user equipment in the prior art for a group of the same or similar user equipment. Basically, the resource size is determined in the specific allocation, and may be determined according to the HARQ number distribution of all users.
  • the existing allocation method needs to satisfy at least 90% of the HARQ times required by the user, for example, 4 HARQs; The number of HARQ transmissions required by 50% of users can be satisfied, for example, 2 times, and the minimum is to allocate only resources that can satisfy the initial transmission.
  • the device in the basic transmission resource uses the MCS and GRANT configured in the RRC to perform HARQ data transmission according to the uplink synchronization non-adaptive manner in the existing protocol.
  • the transmission is performed by implicit or explicit scheduling to the dedicated retransmission resource, and the uplink synchronization non-adaptive in the existing protocol is also used on the dedicated retransmission resource. Perform HARQ data transmission.
  • the dedicated retransmission resource includes a first dedicated retransmission resource
  • the base station divides the dedicated time-frequency resource allocated for a group of M2M devices into two parts, which are basically the reported resource and the first dedicated retransmission resource.
  • the basically reporting resource and the first dedicated retransmission resource occupy different time domain resources of the same frequency domain resource.
  • the transmission in the basic reporting resource is continued according to the MCS and GRANT notified in the RRC, and each TTK Transmission Time is continued in the reporting time window of the device. Interval, transmission time interval) transmits data, and transmits HARQ data in a synchronous non-adaptive manner.
  • the base station allocates the reporting time window of the basic reporting resource, according to the characteristics of the same or similar service characteristics of a group of devices, it is ensured that most of the devices can complete the transmission of the newly transmitted data in the reporting time window.
  • the HARQ data that cannot be correctly transmitted in the reporting time window is explicitly scheduled to be transmitted to the first dedicated retransmission resource by using a Physical Downlink Control Channel (PDCCH), where the PDCCH carries the retransmission corresponding location, and the dedicated retransmission is performed.
  • PDCCH Physical Downlink Control Channel
  • the HARQ within the resource also uses the existing uplink synchronous non-adaptive HARQ.
  • the network side device sends the first scheduling information to the UE, and the UE receives the first scheduling information sent by the network side device, and according to the first And the indication of the scheduling information, scheduling the uncompleted HARQ data to be transmitted to the first dedicated retransmission resource.
  • the UE learns that the base station is a dedicated time-frequency resource allocated locally, and transmits the HARQ data on the basic transmission resource, and when the HARQ data transmission is not completed in the basic reporting resource, scheduling the uncompleted HARQ data to the dedicated retransmission resource. Transfer on.
  • the basic data may be reported on the basic report resource.
  • the base station After receiving the data reported by the UE, the base station decodes the reported data, and obtains an ACK of the reported data or NACK, and ACK (Acknowledgement) or NACK (Negative Acknowledgement) is returned to the UE. If the result is NACK, the UE needs to retransmit the reported data, if there is still time in the basic reporting period occupied by the UE.
  • the UE Having the UE transmit the HARQ data, the UE continues to transmit the HARQ data on the basic reporting resource, and the base station buffers the data that is not correctly transmitted in the substantially reported HARQ data transmission period, and sends the PDCCH display scheduling information to the UE to instruct the UE to retransmit.
  • the base station divides the No. 5 RB into a group of M2M devices (such as smart meters) with the same service type in 5 MHz, and the reporting time window allocated to each device is 16 ⁇ .
  • the GRANT of UE1 is 1 RB
  • the MCS is QPSK and Turbo 1/3. 400-bit data needs to be reported, and it needs to be split into 6 transport blocks (TB) for transmission.
  • TB transport blocks
  • the first and second transport blocks are initially transmitted incorrectly, and synchronous HARQ is required.
  • the TBI is correctly decoded after sequential HARQ combining, and TB2 is still decoded incorrectly, but at this time, the basic allocation to UE1 is performed.
  • the reporting period has ended.
  • the base station buffers the incorrectly transmitted HARQ data, and the UE2 starts to report the data.
  • the first transmission block is initially transmitted incorrectly, the base station buffers the HARQ data that the UE2 does not correctly transmit, and the UE3 starts reporting the data.
  • the first transmission block is initially transmitted incorrectly, the base station buffers the HARQ data that the UE3 does not correctly transmit, and the UE4 starts reporting the data.
  • the data transmission is correct until substantially reported in the resource.
  • the base station After all the UEs report the data, the base station re-schedules the second HARQ of the TB2 of the UE1 to the first dedicated retransmission resource through the PDCCH. After the TB2 of the UE1 is correctly transmitted, the base station schedules the first transport block of the UE2 through the PDCCH. On the first dedicated retransmission resource, after the first transport block of UE2 is correctly transmitted, the first transport block of UE3 is scheduled to be transmitted on the first dedicated retransmission resource.
  • the base station in order to reduce waste of resources, the base station only allocates resources originally allocated to each device, and all HARQ retransmissions pass the first dedicated retransmission resource.
  • UE1 has correctly transmitted data in a basic reporting period, and UE2 does not correctly transmit reported data in a basic reporting period, and needs to perform two HARQ transmissions on the first dedicated retransmission resource to be correctly transmitted, UE3 Both UE4 and UE4 do not correctly transmit data in the basic reporting period, and UE3 and UE4 need three and four HARQ transmissions respectively to be correctly transmitted.
  • the time for reporting the resources is basically fixed. Since the transmission time window allocated for each UE is fixed and the number of UEs is fixed, the length of time for reporting the resources is basically fixed.
  • the dedicated retransmission resource can be pre-allocated with its starting position, but the determination of the ending position can be divided into two types, static and dynamic.
  • Static refers to estimating the size of a dedicated retransmission resource that may be needed according to the information such as the basic resource size and the number of UEs, and estimating the proportion of the corresponding sentence in the corresponding sentence; and dynamically means that if the current dedicated retransmission resource has the UE performing HARQ, Keep retaining, such as If not, it is released and scheduled for use by other UEs.
  • the base station re-schedules the transmission.
  • the basic reporting resources allocated by the base station are relatively short, the more the number of devices in the reporting group is, the higher the utilization rate of the resources is, but the HARQ data that is not transmitted in the basically reported resource is cached in the At the base station, waiting for the transmission of the dedicated retransmission resource, so the number of devices included in a group can be limited according to the size of the service data and the processing capability of the base station.
  • the dedicated retransmission resource includes a third dedicated retransmission resource
  • the base station divides the dedicated time-frequency resource for a group of M2M devices into two parts, which are basically reported resources and third dedicated retransmissions. Resources.
  • the transmission in the basic reporting resource also continuously transmits data in each TTI in the time window of the device according to the MCS and GRANT notified in the RRC, and uses the synchronous non-adaptive HARQ.
  • the base station allocates the reporting time window of the basic reporting resource, according to the characteristics of the same or similar service characteristics of a group of devices, it is necessary to ensure that most devices can complete the transmission of the newly transmitted data in the reporting time window.
  • the UE if the UE cannot complete the transmission of the HARQ data in the reporting time window, the UE will use the local policy to automatically transmit the HARQ data of the uncompleted transmission on the third dedicated retransmission resource, that is, according to the base station.
  • the UE automatically performs frequency switching to notify the UE of the frequency band position of the dedicated retransmission resource, and schedules the uncompleted HARQ data to be transmitted to the third dedicated retransmission resource.
  • the UE automatically determines that the HARQ data that needs to be retransmitted is scheduled to be on the third dedicated retransmission resource, if the HARQ data that needs to be retransmitted exceeds the remaining time window length according to the existing time window length.
  • the base station needs to schedule the HARQ data to be transmitted by one of the UEs or some UEs in the collision by the explicit PDCCH.
  • the retransmission is performed on the new resource (new frequency or new time), and the UE that does not receive the explicit PDCCH scheduling continues to retransmit on the original resource.
  • the base station sends the third scheduling information to the UE, and the UE receives the third scheduling information sent by the base station; and according to the indication of the third scheduling information,
  • the locally transmitted HARQ data is scheduled to be transmitted on the dedicated retransmission resource that does not collide with the dedicated retransmission resource occupied by the other UE transmitting the HARQ data.
  • the base station allocates a basic reporting resource and a third dedicated retransmission resource, and the basic reporting resource and the third dedicated retransmission resource occupy different frequency domains, and UE1 is in a basic reporting period.
  • the first transport block and the second transport block are not correctly transmitted in the first transmission.
  • the second transport block is still not correctly transmitted.
  • UE1 determines the remaining basics. If the reporting time is insufficient to transmit the second transport block again, the second transport block is automatically scheduled to be transmitted to the third dedicated retransmission resource. At this time, if the second transport block of UE1 is still not correctly transmitted, the automatic rescheduling is performed.
  • the third dedicated retransmission resource transmits the second transport block, and the first transport block of the UE2 is not correctly transmitted, and the UE2 automatically dispatches the second transport block to the third dedicated transmission resource for transmission, after the retransmission, the UE2 A transport block is correctly transmitted, the second transport block of UE3 is not correctly transmitted, and UE3 automatically schedules the second transport block to be transmitted to the third dedicated retransmission resource, but at this time , Resource scheduling and resource scheduling transmission UE1 UE3 transmissions collide, then crash event to inform the base station, then by explicitly PDCCH transmission resource scheduling UE3 to other frequency domain, the issue has been resolved UE1 and UE3 collision.
  • UE4 transmits correctly and does not need to be retransmitted.
  • the base station re-schedules the transmission. Further, if some TTIs in the dedicated retransmission resource in this embodiment do not need to retransmit the device, the same TTI can be dynamically scheduled for use by other users.
  • the dedicated retransmission resource may further be divided by frequency domain on the basis of time domain division, that is, the dedicated retransmission resource includes the second dedicated retransmission resource, and the second dedicated retransmission resource and the first dedicated retransmission resource
  • the transmission resources respectively occupy different frequency domain resources, and the first dedicated retransmission resources
  • the starting point occupied by the second dedicated retransmission resource in the time domain is the same.
  • scheduling the uncompleted HARQ data to be transmitted to the dedicated retransmission resource including: And when the IoT device does not complete the HARQ data transmission in the basic reporting resource, scheduling the uncompleted HARQ data to be transmitted to the second dedicated retransmission resource according to a local policy.
  • the basic reporting resource and the first dedicated retransmission resource further divide the second dedicated retransmission resource for the UE in different frequency domains to ensure sufficient resources are provided.
  • the UE performs data transmission. As shown in FIG.
  • the second transport block of UE1 is not correctly transmitted, the first transport block of UE2 is not correctly transmitted, the first transport block of UE3 is not correctly transmitted, the second transport block of UE4 is not correctly transmitted, and the base station cache is not correctly transmitted.
  • the correctly transmitted transport block transmits PDCCH scheduling information to the UE1, and the UE1 schedules the transport block that is not correctly transmitted according to the indication of the PDCCH to the first dedicated retransmission resource in a different time domain in the same frequency domain as the basically reported resource, in the When the UE1 retransmits the HARQ data, the UE2 automatically schedules the transport block that is not correctly transmitted to the location in the frequency domain different from the retransmission location indicated by the base station, and also transmits the PDCCH scheduling information to the UE3 when the UE1 transmits the HARQ data.
  • the UE3 schedules the transport block that is not correctly transmitted according to the indication of the PDCCH to the first dedicated retransmission resource in the different time domain in the same frequency domain as the basically reported resource, and when the UE3 retransmits the data, the UE4 will not transmit correctly.
  • the transport block is automatically scheduled to transmit at a location different from the frequency domain in which the base station indicates the retransmission location of UE3.
  • the time domain division is further performed on the basis of the frequency domain division on the basic reporting resource and the third dedicated retransmission resource, and is further divided into UEs in different time domains in the same frequency domain as the basic reporting resource.
  • a fourth dedicated retransmission resource that is, the dedicated retransmission resource includes a fourth dedicated retransmission time domain resource, and the fourth dedicated retransmission resource and the third dedicated retransmission resource occupy a starting point in the time domain different.
  • scheduling the uncompleted HARQ data to be transmitted to the dedicated retransmission resource including: When the Internet of Things device is in the basic report When the HARQ data transmission is not completed in the resource, the second scheduling information sent by the network side device is received, and the uncompleted HARQ data is scheduled to the fourth dedicated retransmission according to the indication of the second scheduling information. Transfer on the resource. As shown in FIG.
  • the second transport block of UE1 is still not correctly transmitted, the first transport block of UE2 is not correctly transmitted, the second transport block of UE3 is not correctly transmitted, and UE4 transmits correctly, and does not need to be retransmitted, UE1 And the UE2 respectively schedules the transport blocks that are not correctly transmitted to the third dedicated retransmission resources in different frequency domains for transmission. If the UE1 still fails to transmit correctly, the data blocks that are not correctly transmitted are automatically retransmitted. The base station buffers the data block that the UE3 is not correctly transmitted. After all the UEs in the basic reporting resource complete the transmission, the UE sends the scheduling information to the UE3, instructing the UE3 to schedule the transport block that is not correctly transmitted to the fourth dedicated retransmission resource for transmission.
  • an embodiment of the present invention provides an Internet of Things device, including: an obtaining module 301, a transmitting module 302, and a processing module 303.
  • the learning module 301 is configured to learn that the network side device is a time-frequency resource that is allocated by the Internet of Things device, where the time-frequency resource includes a basic reporting resource and a dedicated retransmission resource, and the basic reporting resource is smaller than the first reporting resource, where the first The reporting resource is a time-frequency resource that is divided by the network side device for the group where the IoT device is located;
  • the transmitting module 302 is configured to perform hybrid automatic repeat request (HARQ data transmission) on the basic reporting resource learned by the learning module 301.
  • the processing module 303 is configured to: when the transmission module 302 does not complete the HARQ data transmission in the basic reporting resource, schedule the uncompleted HARQ data to be transmitted to the dedicated retransmission resource learned by the learning module 301.
  • the transmitting module 302 is specifically configured to: when the dedicated retransmission resource includes a first dedicated retransmission resource, where the basic reporting resource and the first dedicated retransmission resource respectively occupy the same Receiving, by the transmission module 302, the first scheduling information sent by the network side device, if the frequency domain resource is different from the time domain resource, the transmission module 302 does not complete the HARQ data transmission in the basic reporting resource;
  • the processing module 303 is specifically configured to schedule, according to the indication of the first scheduling information received by the transmission module 302, the uncompleted HARQ data to be transmitted to the first dedicated retransmission resource.
  • the processing module 303 is specifically configured to: when the dedicated retransmission resource further includes a second dedicated retransmission resource, the second dedicated retransmission resource and the first The dedicated retransmission resource occupies different frequency domain resources, and the first dedicated retransmission resource is the same as the starting point occupied by the second dedicated retransmission resource in the time domain, and the transmission module 302 is in the basic If the HARQ data transmission is not completed in the reporting resource, the uncompleted HARQ data is scheduled to be transmitted to the second dedicated retransmission resource according to a local policy.
  • the processing module 303 is specifically configured to: the dedicated retransmission resource includes a third dedicated retransmission resource, where the basic reporting resource and the third dedicated retransmission resource respectively occupy different frequency domain resources, where The transmission module 302 transmits the HARQ number three dedicated retransmission resources in the basic reporting resource.
  • the transmitting module 302 is further configured to: when the dedicated retransmission resource further includes the fourth dedicated retransmission resource, the fourth dedicated retransmission resource and the basically reported resource respectively occupy the same a frequency domain resource and a different time domain resource, and the fourth dedicated retransmission resource is different from a starting point occupied by the third dedicated retransmission resource in the time domain, and the transmission module 302 is in the Receiving the second scheduling information sent by the network side device when the HARQ data transmission is not completed in the basic reporting resource;
  • the processing module 303 is specifically configured to schedule, according to the indication of the second scheduling information received by the transmission module 302, the uncompleted HARQ data to be transmitted to the fourth dedicated retransmission resource.
  • the transmitting module 302 is further configured to: if the HARQ data transmission is not completed in the basic reporting resource, if the HARQ data that is not completed is dedicated to retransmission Receiving a third scheduling information indication sent by the network side device, where the resource collides with the dedicated retransmission resource occupied by the any IoT device except the IoT device to transmit the HARQ data;
  • the processing module 303 is specifically configured to: schedule, according to the third scheduling information received by the transmitting module 302, the HARQ data that is not completed to be transmitted to be used by the other IoT device to transmit HARQ data.
  • the dedicated retransmission resource is transmitted on the dedicated retransmission resource that does not collide.
  • the beneficial effects of the device embodiments provided by the present invention are: For a group of devices that use static scheduling, by setting basic transmission resources and dedicated retransmission resources, the time-frequency resources occupied by each device in the basic transmission resources are smaller than the prior art.
  • the allocated time-frequency resource when the HARQ data transmission is not completed in the basic transmission resource, the HARQ data that is not completed is scheduled to be transmitted to the dedicated retransmission resource for transmission, and the dedicated HARQ resource is multiplexed by a group of devices.
  • the basic transmission resources required to complete the entire transmission plus the dedicated retransmission resources become smaller, thereby improving the utilization of resources.
  • an embodiment of the present invention provides a method for transmitting data, including:
  • the network side device allocates a time-frequency resource for the IoT device group, where the time-frequency resource includes a basic reporting resource and a dedicated retransmission resource.
  • the network side device notifies each of the IoT device groups of the divided time-frequency resource information.
  • the Internet of Things device enables each IoT device in the IoT device group to perform hybrid automatic repeat request HARQ data transmission according to the basic reporting resource and the dedicated retransmission resource, and does not complete the HARQ data transmission when the IoT device basically reports the resource.
  • the HARQ data of the uncompleted transmission is scheduled to be transmitted to the dedicated retransmission resource.
  • the first reporting resource is a reporting resource allocated by the group of the IoT device in the prior art, and the basic reporting resource is smaller than the first reporting resource.
  • the dedicated retransmission resource includes a first dedicated retransmission resource, where the basic reporting resource and the first dedicated retransmission resource respectively occupy the same frequency domain resource and different time domain resources;
  • the method described in the embodiment further includes:
  • the first scheduling information Sending, to the any IoT device, the first scheduling information, when any of the IoT devices in the IoT device group fails to complete the HARQ data transmission in the basic reporting resource, so that any of the Internet of Things devices And scheduling, according to the indication of the first scheduling information, the uncompleted HARQ data to be transmitted to the first dedicated retransmission resource.
  • the dedicated retransmission resource further includes a second dedicated retransmission resource, where the second dedicated retransmission resource and the first dedicated retransmission resource respectively occupy different frequency domain resources, and The first dedicated retransmission resource is the same as the starting point occupied by the second dedicated retransmission resource in the time domain; the method in this embodiment further includes:
  • the dedicated retransmission resource includes a third dedicated retransmission resource, and the basic reporting resource and the third dedicated retransmission resource respectively occupy different frequency domain resources, and the method in this embodiment further Includes:
  • the dedicated retransmission resource further includes a fourth dedicated retransmission resource, where the fourth dedicated retransmission resource and the basically reported resource respectively occupy the same frequency domain resource and different time domain resources And the fourth dedicated retransmission resource is different from the starting point occupied by the third dedicated retransmission resource in the time domain, and the method in this embodiment further includes:
  • the second scheduling information Sending, to the any IoT device, the second scheduling information, when any of the IoT devices in the IoT device group does not complete the HARQ data transmission in the basically reported resource, so that any of the Internet of Things devices And scheduling, according to the indication of the second scheduling information, the uncompleted HARQ data to be transmitted to the fourth dedicated retransmission resource.
  • the method provided by the implementation further includes:
  • the third scheduling information is sent to the any IoT device, so that any of the IoT devices according to the indication of the third scheduling information
  • the HARQ data of the uncompleted transmission is scheduled to be transmitted to the dedicated retransmission resource that does not collide with the dedicated retransmission resource occupied by the other IoT device transmitting the HARQ data.
  • the method provided by the present invention provides the following advantages: For a group of devices that use static scheduling, by setting basic transmission resources and dedicated retransmission resources, the time-frequency resources occupied by each device in the basic transmission resources are smaller than the existing ones.
  • the time-frequency resource allocated in the technology when the HARQ data transmission is not completed in the basic transmission resource, the HARQ data that is not completed is scheduled to be transmitted to the dedicated retransmission resource for transmission, and the dedicated HARQ resource is multiplexed by a group of devices.
  • the basic transmission resources required to complete the entire transmission plus the dedicated retransmission resources become smaller, thereby improving the utilization of resources. Referring to FIG.
  • an embodiment of the present invention provides a network side device, including: a dividing module 501 and a notification module 502.
  • the partitioning module 501 is configured to allocate a time-frequency resource for a group of the Internet of Things, where the time-frequency resource includes a basic reporting resource and a dedicated retransmission resource, and the basic reporting resource is smaller than the first reporting resource, where the first The reporting resource is a time-frequency resource allocated by the network side device to the Internet of Things device in the IoT device group;
  • the notification module 502 is configured to notify the IoT device of the IoT device group by the time-frequency resource information divided by the dividing module 501, so that each IoT device in the IoT device group according to the basically reported resource and the The dedicated retransmission resource performs hybrid automatic repeat request HARQ data transmission, and when the IoT device does not complete the HARQ data transmission in the basic reporting resource, scheduling the uncompleted HARQ data to the Transfer on a dedicated retransmission resource.
  • the dividing module 501 is specifically configured to: the dedicated retransmission resource includes a first dedicated retransmission resource, and the basic reporting resource and the first dedicated retransmission resource respectively occupy the same frequency The domain resource and the different time domain resources, as shown in FIG.
  • the device further includes: a first sending mode 503, where the dedicated retransmission resource divided by the dividing module 501 includes a first dedicated retransmission resource, where the basic When the reporting resource and the first dedicated retransmission resource respectively occupy the same frequency domain resource and different time domain resources, any one of the Internet of Things devices in the IoT device group does not complete the When the HARQ data is transmitted, the first scheduling information is sent to any of the Internet of Things devices, so that any of the Internet of Things devices dispatches the uncompleted HARQ data to the first according to the indication of the first scheduling information.
  • a dedicated retransmission resource is transmitted on.
  • the dividing module is specifically configured to: the dedicated dedicated retransmission resource further includes a second dedicated retransmission resource, where the second dedicated retransmission resource and the first dedicated retransmission resource respectively occupy Different frequency domain resources, and when the first dedicated retransmission resource is the same as the starting point occupied by the second dedicated retransmission resource in the time domain, then any IoT device in the IoT device group is When the HARQ data transmission is not completed within the basic reporting resource, Transfer on the retransmission resource.
  • the dividing module 301 is specifically configured to: the dedicated retransmission resource includes a third dedicated retransmission resource, where the basic reporting resource and the third dedicated retransmission resource respectively occupy different frequencies
  • the dedicated retransmission resource includes a third dedicated retransmission resource, where the basic reporting resource and the third dedicated retransmission resource respectively occupy different frequencies
  • the any IoT device is configured to perform the uncompleted transmission according to a local policy.
  • the HARQ data is scheduled to be transmitted to the third dedicated retransmission resource.
  • the dividing module 501 is further configured to divide the dedicated retransmission resource further includes a fourth dedicated retransmission resource, where the fourth dedicated retransmission resource and the basically reported resource respectively occupy the same frequency domain resource. Different time domain resources, and the fourth dedicated retransmission resource is different from the starting point occupied by the third dedicated retransmission resource in the time domain.
  • the device further includes: a second sending module 504
  • the dedicated retransmission resource used by the dividing module 501 further includes a fourth dedicated retransmission resource, where the fourth dedicated retransmission resource and the basically reported resource respectively occupy the same frequency domain resource and different time domain resources.
  • the fourth dedicated retransmission resource is different from the starting point occupied by the third dedicated retransmission resource in the time domain, and any of the Internet of Things devices in the IoT device group is in the basic reporting resource.
  • the second scheduling information is sent to any of the Internet of Things devices, so that any one of the Internet of Things devices according to the indication of the second scheduling information
  • the HARQ data of the uncompleted transmission is scheduled to be transmitted to the fourth dedicated retransmission resource.
  • the device in this embodiment further includes:
  • the processing module 505 is configured to: when the any IoT device fails to complete the HARQ data transmission in the basic reporting resource, confirm the dedicated retransmission resource occupied by the HARQ data that is not completed, and other Collision of dedicated retransmission resources occupied by any IoT device transmitting HARQ data;
  • the third sending module 506 is configured to: when the processing module 505 confirms that the dedicated retransmission resource occupied by the HARQ data that is not completed is occupied by the HARQ data transmitted by any other IoT device If the dedicated retransmission resource collides, send a third scheduling information indication to the any IoT device, so that the any IoT device will perform the HARQ that is not completed according to the indication of the third scheduling information.
  • the data is scheduled to be transmitted on the dedicated retransmission resource that does not collide with the dedicated retransmission resource occupied by the other IoT device transmitting the HARQ data.
  • the device provided by the present invention provides the following advantages: For a group of devices that use static scheduling, by setting basic transmission resources and dedicated retransmission resources, the time-frequency resources occupied by each device in the basic transmission resources are smaller than the existing ones.
  • the time-frequency resource allocated in the technology when the HARQ data transmission is not completed in the basic transmission resource, the HARQ data that is not completed is scheduled to be transmitted to the dedicated retransmission resource for transmission, and the dedicated HARQ resource is multiplexed by a group of devices. , the basic transmission resources required to complete the entire transmission plus the dedicated retransmission resources become smaller, thereby improving the utilization of resources.
  • the method for transmitting data of the Internet of Things (IoT) device and the network side device provided by this embodiment and the network side device may be the same concept as the method for transmitting data of the IoT device, and the specific implementation process is described in the method embodiment. Narration. It should be noted that, in the foregoing user equipment and base station embodiments, each unit included is only divided according to functional logic, but is not limited to the foregoing division, as long as the corresponding function can be implemented; The specific names are also for convenience of distinguishing from each other and are not intended to limit the scope of the present invention.
  • the storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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Abstract

本发明公开了一种传输数据的方法、物联网设备和网络侧设备,属于通信技术领域。所述方法包括:物联网设备获知网络侧设备为本地划分的时频资源,时频资源包括基本上报资源和专用重传资源;在基本上报资源上进行混合自动重传请求HARQ数据传输;当在基本上报资源内未完成HARQ数据传输时,将未完成传输的HARQ数据调度到专用重传资源上进行传输。本发明对于采用静态调度的一组设备,通过设定基本传输资源和专用重传资源,在基本传输资源内未完成所述HARQ数据传输时,将未完成传输的HARQ数据调度到专用重传资源上进行传输,通过一组设备复用专用HARQ资源的方式,使得完成整个传输所需要的基本传输资源加上专用重传资源变得更小,从而提高了资源的利用率。

Description

传输数据的方法、 物联网设备和网络侧设备 本申请要求于 2011 年 09 月 13 日提交中国专利局、 申请号为 201110269182.9、 发明名称为"传输数据的方法、 物联网设备和网络侧设备" 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, 特别涉及一种传输数据的方法、 物联网设 备和网络侧设备。
背景技术 物联网是指将大量的智能终端通过网络互连, 实现协同互操作。 基于 蜂窝无线通信的物联网, 能够利用现有的蜂窝无线网络来连接各种智能终 端, 是目前最为经济有效的通信方式。 随着 M2M ( Machine to Machine , 物 联网)应用的迅速普及, Μ2Μ设备的数量会变的十分巨大, 这些设备会和 无线通信技术紧密结合, 并且通过无线连接获得数据并将数据上报到控制 中心, 随着 Μ2Μ设备的不断增多,产生了大量的来自于各种具体应用的随 机或周期上报数据, 如无线水表 /电表、 自动售货机、 POS机, 智能电网中 的远程控制设备等等, Μ2Μ应用具有用户数量巨大, 小数据, 上报时间 集中的特点, 会对系统资源造成极大的冲击。
在实际的数据传输过程中, 不同设备完成传输的时间会因 HARQ ( Hybrid Automatic Repeat Request , 混合自动重传请求) 次数的不同而不 同, 从而造成部分设备的时间浪费, 以及部分设备的重新调度, 以至资源 利用率低。 发明内容 本发明提供了一种传输数据的方法、 物联网设备和网络侧设备, 用于 解决资源利用率低的问题。
一方面, 提供了一种传输数据的方法, 包括:
物联网设备获知网络侧设备为所述物联网设备划分的时频资源, 所述 时频资源包括基本上报资源和专用重传资源; 所述基本上报资源小于第一 上报资源, 所述第一上报资源为所述网络侧设备为所述物联网设备所在小 组划分的时频资源;
所述物联网设备在所述基本上报资源上进行混合自动重传请求 HARQ 数据传输;
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 时,将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行传输。
一方面, 提供了一种物联网设备, 包括:
获知模块, 用于获知网络侧设备为其划分的时频资源, 所述时频资源 包括基本上报资源和专用重传资源; 所述基本上报资源小于第一上报资源 , 所述第一上报资源为所述网络侧设备为所述物联网设备所在小组划分的时 频资源;
传输模块, 用于在所述获知模块获知的所述基本上报资源上进行混合 自动重传请求 HARQ数据传输;
处理模块, 用于当所述传输模块在所述基本上报资源内未完成所述 HARQ数据传输时, 将所述未完成传输的 HARQ数据调度到所述获知模块 获知的所述专用重传资源上进行传输。
一方面, 提供了一种传输数据的方法, 所述方法包括:
网络侧设备为物联网设备组划分出时频资源, 所述时频资源包括基本 上报资源和专用重传资源; 所述基本上报资源小于第一上报资源, 所述第 一上报资源为所述网络侧设备为所述物联网设备组中的物联网设备划分的 时频资源;
所述网络侧设备将所述划分的时频资源信息告知所述物联网设备组中 的每一个物联网设备, 使所述物联网设备组中的每一个物联网设备根据所 述基本上报资源和所述专用重传资源进行混合自动重传请求 HARQ数据传 输, 并且当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据 传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行 传输。
另一方面, 还提供了一种网络侧设备, 所述设备包括:
划分模块, 用于为物联网设备组划分出时频资源, 所述时频资源包括 基本上报资源和专用重传资源; 所述基本上报资源小于第一上报资源, 所 述第一上报资源为所述网络侧设备为所述物联网设备组中的物联网设备划 分的时频资源;
告知模块, 用于将所述划分模块划分的所述小组的时频资源信息告知 所述物联网设备组中的每一个物联网设备, 使所述所述物联网设备组中的 每一个物联网设备根据所述基本上报资源和所述专用重传资源进行混合自 动重传请求 HARQ数据传输, 并且当所述物联网设备在所述基本上报资源 内未完成所述 HARQ数据传输时,将所述未完成传输的 HARQ数据调度到 所述专用重传资源上进行传输。
本发明提供了一种传输数据的方法、 物联网设备和网络侧设备, 对于 釆用静态调度的一组设备, 通过设定基本传输资源和专用重传资源, 基本 传输资源中每个设备占用的时频资源小于现有技术中分配的时频资源, 在 基本传输资源内未完成所述 HARQ数据传输时,将未完成传输的 HARQ数 据调度到专用重传资源上进行传输, 通过一组设备复用专用 HARQ资源的 方式, 使得完成整个传输所需要的基本传输资源加上专用重传资源变得更 小, 从而提高了资源的利用率。 附图说明 为了更清楚地说明本发明实施例中的技术方案, 下面将对实施例描述 中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅 是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性 劳动的前提下, 还可以根据这些附图获得其他的附图。
图 1是本发明实施例提供的一种传输数据的方法的流程图;
图 2是本发明实施例提供的一种传输数据的方法的流程图;
图 3是本发明实施例提供的一种时频划分的非同步 HARQ方法的示意 图;
图 4是本发明实施例提供的一种全部 HARQ均通过专用重传资源传输 的非同步 HARQ方法的示意图;
图 5是本发明实施例提供的一种时域划分的同步 HARQ方法的示意图; 图 6是本发明实施例提供的一种时域划分专用重传资源基础上的频域 划分方法的示意图;
图 7是本发明实施例提供的一种频域划分专用重传资源基础上的时域 划分方法的示意图;
图 8是本发明实施例提供的一种物联网设备的示意图;
图 9是本发明又一实施例提供的一种传输数据的方法的流程图; 图 10是本发明又一实施例提供的一种网络侧设备的示意图;
图 11是本发明又一实施例提供的另一种网络侧设备的示意图。 具体实施方式 为了使本发明的目的、 技术方案和优点更加清楚, 下面将结合附图对 本发明作进一步地详细描述, 显然, 所描述的实施例仅仅是本发明一部份 实施例, 而不是全部的实施例。 基于本发明中的实施例, 本领域普通技术 人员在没有做出创造性劳动前提下所获得的所有其它实施例, 都属于本发 明保护的范围。
为一组小数据 M2M设备划分专用的物理资源,基站在终端上报数据之 前, 将每个终端上报的时间做了静态的调度, 在时间上轮询各个设备, 设 备在调度时间窗内釆用半静态调度的方式传输数据。 将每个设备的对应时 间位置的信息进行通知:
1.预先配置或者通过 RRC ( Radio Resource Control, 无线资源控制)逐 一通知序号、组标示、 MCS ( Modulation and Code Scheme,编码调制方式)、 资源大小及位置;
2.广播组标示和时标 , 通知该组起始时间和上 ^艮周期。
例如分配给该组设备第 3-4号 RB ( Resource Block资源块), 最大重传 次数为 3 , 为每个设备分配时间窗长为 100个子帧, UE1 ( User Equipment, 用户设备) 占用第 1-100号子帧, UE2占用第 101-200号子帧, 以此类推。 釆用静态调度的方法, 能够使得每个设备按照顺序分别在不同的时间窗内 发起传输, 极大的降低调度开销和上报密度。
在实际的数据传输过程中, 不同设备完成传输的时间会因 HARQ ( Hybrid Automatic Repeat Request , 混合自动重传请求) 次数的不同而不 同, 因此当静态调度时分配给每个设备的时间窗长如果按照较长时间的设 备来设置, 则对于需较短时间的设备, 造成有大量资源被浪费且增加了该 类设备的等待时延; 如果按照较短时间的设备来设置, 则对于未能正确传 输的设备需要单独再进行调度, 造成调度和传输资源的双重浪费; 即使按 选取折中的时间, 也同样会造成部分设备的时间浪费, 以及部分设备的重 新调度, 以至资源利用率低。
为了解决上述技术问题, 本发明提供了如下技术方案:
参见图 1 , 本发明实施例提供了一种传输数据的方法, 包括: 101 : 物联网设备获知网络侧设备为该物联网设备划分的时频资源, 所 述时频资源包括基本上报资源和专用重传资源;
102: 物联网设备在所述基本上报资源上进行混合自动重传请求 HARQ 数据传输;
103:当物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 时,将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行传输。
本实施例中, 所述第一上报资源为现有技术中为该物联网设备所在小 组分配的时频资源, 所述基本上报资源小于第一上报资源。
其中, 专用重传资源包括第一专用重传资源, 所述基本上报资源和所 相应地, 所述当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传 资源上进行传输, 包括:
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 时, 接收所述网络侧设备发送的第一调度信息, 根据所述第一调度信息的 指示, 将所述未完成传输的 HARQ数据调度到第一专用重传资源上传输。
本实施例中, 专用重传资源还包括第二专用重传资源, 所述第二专用 重传资源与所述第一专用重传资源分别占用不同频域资源, 且所述第一专 用重传资源与所述第二专用重传资源在时域上所占用的起始点相同;
相应地, 所述当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传 资源上进行传输, 包括:
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 传资源上传输。
可选地, 本实施例中, 专用重传资源包括第三专用重传资源, 所述基 本上报资源和所述第三专用重传资源分别占用不同频域的资源;
相应地, 所述当所述物联网设备在所述基本上报资源内未完成所述
HARQ数据传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传 资源上进行传输, 包括:
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 传资源上传输。
进一步地, 本实施中, 专用重传资源还包括第四专用重传资源, 所述 第四专用重传资源和所基本上报资源分别占用相同的频域资源不同的时域 资源, 且所述第四专用重传资源与所述第三专用重传资源在时域上所占用 的起始点不同;
相应地, 所述当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传 资源上进行传输, 包括:
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 时, 接收所述网络侧设备发送的第二调度信息, 根据所述第二调度信息的 指示, 将所述未完成传输的 HARQ数据调度到第四专用重传资源上传输。
进一步地, 本实施例中, 基于专用重传资源与基本上报资源在不同频 域的划分, 如基本上报资源与第二专用重传资源不在相同的频域, 或基本 上报资源和第三专用重传资源不在相同的时域, 则当所述物联网设备在所 述基本上报资源内未完成所述 HARQ 数据传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行传输, 包括:
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 时, 如果所述未完成传输的所述 HARQ数据所占用的专用重传资源与除物 联网设备以外的其它任一物联网设备传输 HARQ数据所占用的专用重传资 源发生碰撞, 则所述物联网设备接收所述网络侧设备发送的第三调度信息; 根据所述第三调度信息的指示, 将所述未完成传输的所述 HARQ数据调度 到与所述其它任一物联网设备传输 HARQ数据所占用的专用重传资源不发 生碰撞的所述专用重传资源上传输。
本发明提供的方法实施例提供的有益效果是: 对于釆用静态调度的一 组设备, 通过设定基本传输资源和专用重传资源, 基本传输资源中每个设 备占用的时频资源小于现有技术中分配的时频资源, 在基本传输资源内未 完成所述 HARQ数据传输时,将未完成传输的 HARQ数据调度到专用重传 资源上进行传输, 通过一组设备复用专用 HARQ资源的方式, 使得完成整 个传输所需要的基本传输资源加上专用重传资源变得更小, 从而提高了资 源的利用率。 参见图 2, 本发明实施例提供了一种传输数据的方法, 包括:
201 : 网络侧设备为一组业务类型相同或相近的物联网设备划分出时频 资源用于上行数据传输。
本实施例中, 当 M2M设备有上行数据需要发送时, M2M设备会向网 络侧设备发送一个调度请求信息,通知网络侧设备为该 M2M设备分配上行 数据传输资源,网络侧设备接收到 M2M设备发送的调度请求后,再向 M2M 设备获取上行测量信号,并根据 M2M设备发送的上行测量信号而获得的该 M2M设备的上行信道信息, 从而为一组业务相同或相近的用户设备划分出 时频资源。 本实施例中, 网络侧设备以 eNB ( evolved Node Base, 演进型基 站)为例进行说明, 但网络侧设备不局限于 eNB。
本实施例中 , 将 M2M设备以 UE为例进行说明 , 但 M2M设备不局限 于 UE。 其中, 业务相同的设备, 如上报用电数量的智能电表, 则基站可按 策略将 10个或是 20个智能电表划分成一组; 业务相近的设备, 如智能水 表和智能电表的业务, 虽然智能电表是上报电量的, 智能水表是上报用水 数量的, 但是这两种设备均是上报业务, 可以将智能电表和智能水表划分 到一组中。
本实施例中, 对于静态调度设备在时间上轮询的方法, 可以分配给每 个设备更短的传输时间 (至少能够保证初传), 分配时间内无法完成的
HARQ数据调度到其他的专用时频资源上进行传输。 具体的, 首先基站为 一组业务类型相同或相近的设备划分出专用的时频资源, 用于上行数据传 输, 通过预先配置或 RRC来通知每个设备的序号、 组标示、 编码调制方式 和资源位置及 GRANT (授权) 大小 (也可包括上报周期), 然后通过广播 的方式通知该组设备的上报起始时间和上报时间窗长, 接到广播信息的设 备根据自身序号、 上报时间窗长和起始时间计算该设备的上报起始时间。
本实施例中, 为该组设备划分的专用时频资源包括两部分, 基本传输 资源和专用重传资源。 所述基本上报资源至少能保证基本 HARQ数据的传 输, 且小于第一上报资源, 第一上报资源为现有技术中为一组业务相同或 相近的用户设备分配的上报资源。 基本上报资源大小为在具体分配中, 可 以根据全体用户的 HARQ 次数分布来确定, 现有分配方式需要至少满足 90%以上的用户需要的 HARQ次数, 例如 4次 HARQ; 而本实施例中只用 满足 50%的用户需要的 HARQ传输次数即可, 如 2次, 最小是只分配能够 满足初传的资源即可。 其中, 基本传输资源内的设备釆用 RRC 中配置的 MCS和 GRANT, 按照现有协议中的上行同步非自适应的方式进行 HARQ 数据传输。 而对于在基本传输资源内未完成传输的 HARQ数据, 则通过隐 式或显式调度到专用重传资源上进行传输, 在专用重传资源上同样釆用现 有协议中的上行同步非自适应进行 HARQ数据传输。
本实施例中, 专用重传资源包括第一专用重传资源, 基站将为一组 M2M设备划分的专用时频资源从时间上划分为两部分, 分别为基本上报资 源和第一专用重传资源, 基本上报资源和第一专用重传资源占用相同的频 域资源不同的时域资源。 其中, 基本上报资源内的传输按照 RRC中通知的 MCS和 GRANT,持续在该设备的上报时间窗内每个 TTK Transmission Time Interval, 传输时间间隔) 内发送数据, 并釆用同步非自适应的方式传输 HARQ数据。 基站在分配基本上报资源的上报时间窗时, 根据一组设备业 务特性相同或相近的特点, 要保证绝大部分设备能够在上报时间窗内至少 能完成新传数据的发送。 上报时间窗内无法正确传输的 HARQ数据, 通过 PDCCH ( Physical Downlink Control Channel, 物理下行控制信道 )显式调度 到第一专用重传资源上进行传输,其中 PDCCH中携带重传对应位置, 专用 重传资源内的 HARQ同样釆用现有上行同步非自适应 HARQ。 具体的, 当 UE在所述基本上报资源内未完成所述 HARQ数据传输时, 网络侧设备向 UE发送第一调度信息, UE接收网络侧设备发送的第一调度信息, 并根据 所述第一调度信息的指示, 将所述未完成传输的 HARQ数据调度到第一专 用重传资源上传输。
202: UE 获知基站为本地分配的专用的时频资源, 在基本传输资源上 传输 HARQ数据, 当在基本上报资源内未完成 HARQ数据传输时, 将未完 成传输的 HARQ数据调度到专用重传资源上进行传输。
本实施例中, UE获知本地占用的时频资源后, 可以在基本上报资源上 进行基本数据的上报,基站接收到 UE上报的数据后,对上报数据进行解码, 并获得该上报数据的 ACK或 NACK, 并将 ACK ( Acknowledgement, 确认 应答)或 NACK ( Negative Acknowledgement, 否定应答)返回给 UE, 如 果返回结果是 NACK, 则 UE需要重传上报数据, 如果在 UE占用的基本上 报周期内还有时间让 UE传输 HARQ数据, 则 UE继续在基本上报资源上 传输 HARQ数据, 在基本上报周期内未完成的 HARQ数据传输, 基站緩存 未正确传输的数据,向 UE发送 PDCCH显示调度信息,指示 UE重传 HARQ 数据对应的第一专用重传资源的位置, UE根据 PDCCH的指示, 将 HARQ 数据调度到第一专用重传资源上进行传输。
如图 3所示, 基站在 5MHz中划分出第 5号 RB给一组业务类型相同 的 M2M设备(如智能电表), 分配给每个设备的上报时间窗长为 16个 ΤΉ ( Transmission Time Interval, 传输时间间隔)。 其中 UE1的 GRANT为 1 个 RB, MCS为 QPSK、 Turbo 1/3 , 有 400比特的数据需要上报, 需要拆分 成 6个传输块( TB )依次发送。 在 UE1的周期内, 第一和第二个传输块初 传错误,需要进行同步 HARQ,其中 TBI经过依次 HARQ合并后正确译码, 而 TB2依然译码错误, 但此时, 分配给 UE1的基本上报周期已经结束, 基 站緩存未正确传输的 HARQ数据, UE2开始上报数据, 在 UE2的基本上报 周期内,第一个传输块初传错误,基站緩存 UE2未正确传输的 HARQ数据, UE3开始上报数据, 在 UE3的基本上报周期内, 第一个传输块初传错误, 基站緩存 UE3未正确传输的 HARQ数据, UE4开始上报数据, 在 UE4的 上报周期内, 数据传输正确, 直到基本上报资源内的所有 UE上报完数据, 基站通过 PDCCH将 UE1的 TB2的第二次 HARQ重调度到第一专用重传资 源上,在 UE1的 TB2正确传输后,基站通过 PDCCH将 UE2的第一个传输 块调度到第一专用重传资源上,在 UE2的第一个传输块正确传输后,将 UE3 的第一个传输块调度到第一专用重传资源上传输。
本实施例中, 为了减少资源的浪费, 优选地, 基站只分配给每个设备 初始传输的资源, 所有的 HARQ重传均通过第一专用重传资源。 如图 4所 示, UE1在一次基本上报周期内已经正确传输数据, UE2在基本上报周期 内未正确传输上报数据, 需要在第一专用重传资源上进行两次 HARQ传输 才能够正确传输, UE3和 UE4均在基本上报周期内未正确传输数据, UE3 和 UE4分别需要三次和四次 HARQ传输才能够正确传输。
本实施例中,基本上报资源的时间是固定的, 由于为每个 UE分配的传 输时间窗长固定, UE数目固定, 因此基本上报资源的时间长度是固定的。 而专用重传资源可以预先分配好其起始位置, 但是结束位置的确定又可以 分为两种, 即静态和动态。静态指根据基本上报资源大小和 UE个数等信息 按比例估计一个可能需要的专用重传资源大小, 对应句中按比例估算的方 式; 而动态指如果当前专用重传资源有 UE在进行 HARQ则继续保留, 如 没有则释放并调度给其它 UE使用。本实施例中,如果由于功率受限或上报 时间窗设置过短等原因, 导致有新传数据没传完的 UE, 基站再重新调度发 起传输。
本实施例中, 由于基站分配的基本上报资源相对较短, 所以基本上报 组内设备数量越多, 对资源的利用率越高, 但由于在基本上报资源内未传 输完成的 HARQ数据都会緩存在基站上, 等待专用重传资源的传输, 所以 可以根据业务数据大小和基站的处理能力来限制一组包含的设备数目。
本实施例中, 专用重传资源包括第三专用重传资源, 基站将为一组 M2M设备划分的专用时频资源, 从频率上划分为两部分, 分别为基本上报 资源和第三专用重传资源。 其中, 基本上报资源内的传输同样按照 RRC中 通知的 MCS和 GRANT, 持续在该设备的时间窗内每个 TTI内发送数据, 并釆用同步非自适应的 HARQ。基站在分配基本上报资源的上报时间窗时, 根据一组设备业务特性相同或相近的特点, 要保证绝大部分设备能够在上 报时间窗内至少能完成新传数据的发送。
本实施例中, 如果 UE在上报时间窗内无法完成 HARQ数据的传输, UE将釆用本地策略, 自动釆用同步机制在第三专用重传资源上传输未完成 传输的 HARQ数据,即根据基站事先通知给 UE专用重传资源的频带位置, UE 自动进行频率切换, 将未完成传输的 HARQ数据调度到第三专用重传 资源上传输。 其中, UE根据现有已剩下的时间窗长, 判断出需要重传的 HARQ数据已超过该剩下的时间窗长, 则自动将需要重传的 HARQ数据调 度到第三专用重传资源上传输, 无需基站参与调度。 在第三专用重传资源 上, 只有当新的同步 HARQ会与原有的 HARQ发生碰撞时, 才需要基站通 过显式 PDCCH调度碰撞中的某一方 UE或某几方 UE将需要传输的 HARQ 数据调度到新的资源 (新的频率或新的时间) 上进行重传, 没收到显式 PDCCH调度的 UE继续保持在原资源上重传。 具体的, 当在所述基本上报 资源内未完成所述 HARQ数据传输时, 如果 UE传输 HARQ数据所占用的 专用重传资源与其它 UE传输 HARQ数据所占用的专用重传资源发生碰撞, 则基站向该 UE发送第三调度信息, UE接收基站发送的第三调度信息; 并 根据第三调度信息的指示,将本地传输的 HARQ数据调度到与所述其它 UE 传输 HARQ数据所占用的专用重传资源不发生碰撞的所述专用重传资源上 传输。
如图 5所示, 基站为一组业务相同的设备, 分配基本上报资源和第三 专用重传资源,该基本上报资源和第三专用重传资源占用不同的频域, UE1 在基本上报周期内, 第一次传输中第一传输块和第二传输块未正确传输, 再次传输第一传输块和第二传输块后, 第二传输块仍未被正确传输, 此时, UE1 判断剩余的基本上报时间已经不够再次传输第二传输块的时间, 则自 动将第二传输块调度到第三专用重传资源上传输, 此时, UE1 的第二传输 块仍未被正确传输, 则自动再调度第三专用重传资源传输该第二传输块, 同样 UE2的第一传输块未被正确传输, UE2自动将第二传输块调度到第三 专用传输资源上进行传输, 重传后, UE2 的第一传输块被正确传输, UE3 的第二传输块未被正确传输, UE3 自动将第二传输块调度到第三专用重传 资源上传输, 但是此时发现, 调度 UE3传输的资源与调度 UE1传输的资源 发生碰撞, 则将碰撞事件告知基站, 基站再通过显式 PDCCH调度 UE3到 其它频域的传输资源上, 已解决 UE1和 UE3发生碰撞的问题。 UE4正确传 输, 不需要重传。
本实施例中, 如果由于功率受限或上报时间窗设置过短等原因, 导致 有新传数据没传完的 UE, 基站再重新调度发起传输。 进一步地, 本实施例 中专用重传资源上如果某些 TTI不需要本组设备进行重传, 则同样可以动 态调度给其他用户使用。
本实施例中, 进一步地, 专用重传资源可以在时域划分的基础上进一 步通过频域划分, 即专用重传资源包括第二专用重传资源, 第二专用重传 资源与第一专用重传资源分别占用不同的频域资源, 且第一专用重传资源 与第二专用重传资源在时域上所占用的起始点相同。 相应地, 所述当所述 物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 将所述 未完成传输的 HARQ数据调度到所述专用重传资源上进行传输, 包括: 当 所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 根 据本地策略将所述未完成传输的 HARQ数据调度到所述第二专用重传资源 上传输。 如图 6 所示, 在基本上报资源和第一专用重传资源在不同的时域 的基础上,进一步在不同的频域上为 UE划分第二专用重传资源, 以保证有 足够的资源供 UE进行数据传输。 如图 6所示, UE1 的第二传输块未正确 传输, UE2的第一传输块未正确传输, UE3的第一传输块未正确传输, UE4 的第二传输块未正确传输, 基站緩存未被正确传输的传输块, 向 UE1发送 PDCCH调度信息, UE1根据 PDCCH的指示将未正确传输的传输块调度到 与基本上报资源相同频域的不同时域的第一专用重传资源上进行传输, 在 UE1重传 HARQ数据时, UE2将未正确传输的传输块自动调度到与基站指 示 UE1的重传位置不同频域的位置上进行传输,同样在 UE1传输完 HARQ 数据时, 向 UE3发送 PDCCH调度信息, UE3根据 PDCCH的指示将未正 确传输的传输块调度到与基本上报资源相同频域的不同时域的第一专用重 传资源上进行传输, 在 UE3重传数据时, UE4将未正确传输的传输块自动 调度到与基站指示 UE3的重传位置不同频域的位置上进行传输。
或者如图 7 所示, 在基本上报资源和第三专用重传资源在频域划分的 基础上进一步进行时域划分, 在与基本上报资源处于相同频域的不同时域 上,再为 UE划分第四专用重传资源, 即专用重传资源包括第四专用重传资 时域资源, 且所述第四专用重传资源与所述第三专用重传资源在时域上所 占用的起始点不同。 相应地, 所述当所述物联网设备在所述基本上报资源 内未完成所述 HARQ数据传输时,将所述未完成传输的 HARQ数据调度到 所述专用重传资源上进行传输, 包括: 当所述物联网设备在所述基本上报 资源内未完成所述 HARQ数据传输时, 接收所述网络侧设备发送的第二调 度信息, 根据所述第二调度信息的指示, 将所述未完成传输的 HARQ数据 调度到第四专用重传资源上传输。 如图 7所示, UE1 的第二传输块仍未被 正确传输, UE2的第一传输块未被正确传输, UE3的第二传输块未被正确 传输, UE4正确传输, 不需要重传, UE1和 UE2分别将未正确传输的传输 块调度到不同频域的第三专用重传资源上进行传输, 如果 UE1仍未正确传 输, 则自动重传未正确传输的数据块。 基站緩存 UE3未被正确传输的数据 块, 等到基本上报资源内所有 UE完成传输后, 向 UE3发送调度信息, 指 示 UE3将未被正确传输的传输块调度到第四专用重传资源上进行传输。
对于釆用静态调度的一组设备, 通过设定基本传输资源和专用重传资 源, 基本传输资源中每个设备占用的时间窗小于现有技术中资源的分配时 间窗, 在基本传输资源内未完成所述 HARQ数据传输时, 将未完成传输的 HARQ 数据调度到专用重传资源上进行传输, 通过一组设备复用专用 HARQ 资源的方式, 使得完成整个传输所需要的基本传输资源加上专用重 传资源变得更小, 从而提高了资源的利用率, 同时因为在基本传输资源部 分每个设备的分配时间便得更短, 使得排序靠后的设备不会因为前面设备 的过多次重传而进行无谓的等待, 缩短了设备发起传输的等待时延。 参见图 8, 本发明实施例提供了一种物联网设备, 包括: 获取模块 301、 传输模块 302和处理模块 303。
获知模块 301 , 用于获知网络侧设备为物联网设备划分的时频资源, 所 述时频资源包括基本上报资源和专用重传资源; 所述基本上报资源小于第 一上报资源, 所述第一上报资源为所述网络侧设备为所述物联网设备所在 小组划分的时频资源;
传输模块 302,用于在获知模块 301获知的基本上报资源上进行混合自 动重传请求 HARQ数据传输; 处理模块 303 ,用于当传输模块 302在所述基本上报资源内未完成所述 HARQ数据传输时, 将所述未完成传输的 HARQ数据调度到获知模块 301 获知的专用重传资源上进行传输。
可选地, 本实施例中, 所述传输模块 302具体用于, 当所述专用重传 资源包括第一专用重传资源 , 所述基本上报资源和所述第一专用重传资源 分别占用相同的频域资源且不同的时域资源时, 所述传输模块 302在所述 基本上报资源内未完成所述 HARQ数据传输, 则接收所述网络侧设备发送 的第一调度信息;
所述处理模块 303具体用于, 根据所述传输模块 302接收的第一调度 信息的指示, 将所述未完成传输的 HARQ数据调度到第一专用重传资源上 传输。
可选地, 进一步地本实施例中, 所述处理模块 303 具体用于, 当所述 专用重传资源还包括第二专用重传资源时, 所述第二专用重传资源与所述 第一专用重传资源分别占用不同的频域资源, 且所述第一专用重传资源与 所述第二专用重传资源在时域上所占用的起始点相同, 所述传输模块 302 在所述基本上报资源内未完成所述 HARQ数据传输, 则根据本地策略将所 述未完成传输的 HARQ数据调度到所述第二专用重传资源上传输。
本实施例中, 处理模块 303 具体用于, 所述专用重传资源包括第三专 用重传资源, 所述基本上报资源和所述第三专用重传资源分别占用不同的 频域资源, 所述传输模块 302在所述基本上报资源内未完成所述 HARQ数 三专用重传资源上传输。
可选地, 本实施例中, 传输模块 302还用于, 当所述专用重传资源还 包括第四专用重传资源时, 所述第四专用重传资源和所基本上报资源分别 占用相同的频域资源且不同的时域资源, 且所述第四专用重传资源与所述 第三专用重传资源在时域上所占用的起始点不同, 所述传输模块 302在所 述基本上报资源内未完成所述 HARQ数据传输时, 则接收所述网络侧设备 发送的第二调度信息;
所述处理模块 303具体用于, 根据所述传输模块 302接收的第二调度 信息的指示, 将所述未完成传输的 HARQ数据调度到第四专用重传资源上 传输。
进一步地, 本实施例中, 所述传输模块 302还用于, 在所述基本上报 资源内未完成所述 HARQ数据传输时, 如果所述未完成传输的所述 HARQ 数据所占用的专用重传资源与除物联网设备以外的其它任一物联网设备传 输 HARQ数据所占用的专用重传资源发生碰撞, 则接收所述网络侧设备发 送的第三调度信息指示;
所述处理模块 303具体用于, 根据所述传输模块 302接收的第三调度 信息指示, 将所述未完成传输的所述 HARQ数据调度到与所述其它任一物 联网设备传输 HARQ数据所占用的专用重传资源不发生碰撞的所述专用重 传资源上传输。
本发明提供的装置实施例的有益效果是: 对于釆用静态调度的一组设 备, 通过设定基本传输资源和专用重传资源, 基本传输资源中每个设备占 用的时频资源小于现有技术中分配的时频资源, 在基本传输资源内未完成 所述 HARQ数据传输时,将未完成传输的 HARQ数据调度到专用重传资源 上进行传输, 通过一组设备复用专用 HARQ资源的方式, 使得完成整个传 输所需要的基本传输资源加上专用重传资源变得更小, 从而提高了资源的 利用率。 参见图 9, 本发明实施例提供了一种传输数据的方法, 包括:
401 : 网络侧设备为物联网设备组划分出时频资源, 所述时频资源包括 基本上报资源和专用重传资源;
402: 网络侧设备将划分的时频资源信息告知物联网设备组中的每一个 物联网设备, 使物联网设备组中的每一个物联网设备根据基本上报资源和 专用重传资源进行混合自动重传请求 HARQ数据传输, 并且当物联网设备 在基本上报资源内未完成 HARQ数据传输时,将未完成传输的 HARQ数据 调度到专用重传资源上进行传输。
本实施例中, 所述第一上报资源为现有技术中为该物联网设备所在小 组分配的上报资源, 所述基本上报资源小于第一上报资源;。
可选地, 本实施例中, 专用重传资源包括第一专用重传资源, 所述基 本上报资源和所述第一专用重传资源分别占用相同的频域资源且不同的时 域资源; 本实施例中所述方法还包括:
当物联网设备组中的任一物联网设备在所述基本上报资源内未完成所 述 HARQ数据传输时, 向所述任一物联网设备发送第一调度信息, 使所述 任一物联网设备根据所述第一调度信息的指示, 将所述未完成传输的 HARQ数据调度到第一专用重传资源上传输。
可选地, 本实施例中, 专用重传资源还包括第二专用重传资源, 所述 第二专用重传资源与所述第一专用重传资源分别占用不同的频域资源, 且 所述第一专用重传资源与所述第二专用重传资源在时域上所占用的起始点 相同; 本实施例中所述方法还包括:
当所述物联网设备组中的任一物联网设备在所述基本上报资源内未完 成所述 HARQ数据传输时, 使所述任一物联网设备根据本地策略将所述未 完成传输的 HARQ数据调度到所述第二专用重传资源上传输。
可选地, 本实施例中, 专用重传资源包括第三专用重传资源, 所述基 本上报资源和所述第三专用重传资源分别占用不同的频域资源, 本实施例 中的方法还包括:
当所述小组中的任一物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 使所述任一物联网设备根据本地策略将所述未完成传 输的 HARQ数据调度到所述第三专用重传资源上传输。 可选地, 本实施例中, 所述专用重传资源还包括第四专用重传资源, 所述第四专用重传资源和所基本上报资源分别占用相同的频域资源且不同 的时域资源, 且所述第四专用重传资源与所述第三专用重传资源在时域上 所占用的起始点不同, 本实施例中的方法还包括:
当物联网设备组中的任一物联网设备在所述基本上报资源内未完成所 述 HARQ数据传输时, 向所述任一物联网设备发送第二调度信息, 使所述 任一物联网设备根据所述第二调度信息的指示, 将所述未完成传输的 HARQ数据调度到第四专用重传资源上传输。
进一步, 本实施提供的方法还包括:
当物联网设备组中的任一物联网设备在所述基本上报资源内未完成所 述 HARQ数据传输时,如果所述未完成传输的所述 HARQ数据所占用的专 用重传资源与其它任一物联网设备传输 HARQ数据所占用的专用重传资源 发生碰撞, 则向所述任一物联网设备发送第三调度信息, 使所述任一物联 网设备根据所述第三调度信息的指示, 将未完成传输的所述 HARQ数据调 度到与所述其它任一物联网设备传输 HARQ数据所占用的专用重传资源不 发生碰撞的所述专用重传资源上传输。
本发明提供的方法实施例提供的有益效果是: 对于釆用静态调度的一 组设备, 通过设定基本传输资源和专用重传资源, 基本传输资源中每个设 备占用的时频资源小于现有技术中分配的时频资源, 在基本传输资源内未 完成所述 HARQ数据传输时,将未完成传输的 HARQ数据调度到专用重传 资源上进行传输, 通过一组设备复用专用 HARQ资源的方式, 使得完成整 个传输所需要的基本传输资源加上专用重传资源变得更小, 从而提高了资 源的利用率。 参见图 10, 本发明实施例提供一种网络侧设备, 包括: 划分模块 501 和告知模块 502。 其中, 划分模块 501 , 用于为一组物联网设备划分出时频资源, 所述时 频资源包括基本上报资源和专用重传资源; 所述基本上报资源小于第一上 报资源, 所述第一上报资源为所述网络侧设备为所述物联网设备组中的物 联网设备划分的时频资源;
告知模块 502,用于将划分模块 501划分的时频资源信息告知物联网设 备小组中的每一个物联网设备, 使物联网设备组中的每一个物联网设备根 据所述基本上报资源和所述专用重传资源进行混合自动重传请求 HARQ数 据传输, 并且当所述物联网设备在所述基本上报资源内未完成所述 HARQ 数据传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传资源上 进行传输。
可选地, 本实施例中, 所述划分模块 501 具体用于, 划分专用重传资 源包括第一专用重传资源 , 所述基本上报资源和所述第一专用重传资源分 别占用相同的频域资源且不同的时域资源, 参见图 11 , 所述设备还包括: 第一发送模 503 ,用于当所述划分模块 501划分的专用重传资源包括第 一专用重传资源, 所述基本上报资源和所述第一专用重传资源分别占用相 同的频域资源且不同的时域资源时, 所述物联网设备组中的任一物联网设 备在所述基本上报资源内未完成所述 HARQ数据传输时, 则向所述任一物 联网设备发送第一调度信息, 使所述任一物联网设备根据所述第一调度信 息的指示, 将所述未完成传输的 HARQ数据调度到第一专用重传资源上传 输。
可选地, 本实施例中, 所述划分模块具体用于, 划分专用重传资源还 包括第二专用重传资源, 所述第二专用重传资源与所述第一专用重传资源 分别占用不同的频域资源, 且所述第一专用重传资源与所述第二专用重传 资源在时域上所占用的起始点相同时, 则当物联网设备组中的任一物联网 设备在所述基本上报资源内未完成所述 HARQ数据传输时, 使所述任一物 用重传资源上传输。
可选地, 本实施例中, 所述划分模块 301 具体用于, 划分专用重传资 源包括第三专用重传资源 , 所述基本上报资源和所述第三专用重传资源分 别占用不同的频域资源时, 则当物联网设备组中的任一物联网设备在所述 基本上报资源内未完成所述 HARQ数据传输时, 使所述任一物联网设备根 据本地策略将所述未完成传输的 HARQ数据调度到所述第三专用重传资源 上传输。
可选地, 本实施例中, 划分模块 501 还用于划分专用重传资源还包括 第四专用重传资源, 所述第四专用重传资源和所基本上报资源分别占用相 同的频域资源且不同的时域资源, 且所述第四专用重传资源与所述第三专 用重传资源在时域上所占用的起始点不同, 参见图 11 , 所述设备还包括: 第二发送模块 504,用于当所述划分模块 501划分的专用重传资源还包 括第四专用重传资源, 所述第四专用重传资源和所基本上报资源分别占用 相同的频域资源且不同的时域资源, 且所述第四专用重传资源与所述第三 专用重传资源在时域上所占用的起始点不同时, 所述物联网设备组中的任 一物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 则向 所述任一物联网设备发送第二调度信息, 使所述任一物联网设备根据所述 第二调度信息的指示, 将所述未完成传输的 HARQ数据调度到第四专用重 传资源上传输。
进一步地, 参见图 11 , 本实施例中的设备还包括:
处理模块 505 ,用于当所述任一物联网设备在所述基本上报资源内未完 成所述 HARQ数据传输时,确认所述未完成传输的所述 HARQ数据所占用 的专用重传资源与其它任一物联网设备传输 HARQ数据所占用的专用重传 资源发生碰撞;
第三发送模块 506,用于当处理模块 505确认未完成传输的所述 HARQ 数据所占用的专用重传资源与其它任一物联网设备传输 HARQ数据所占用 的专用重传资源发生碰撞, 则向所述任一物联网设备发送第三调度信息指 示, 使所述任一物联网设备根据所述第三调度信息的指示, 将未完成传输 的所述 HARQ数据调度到与所述其它任一物联网设备传输 HARQ数据所占 用的专用重传资源不发生碰撞的所述专用重传资源上传输。
本发明提供的装置实施例提供的有益效果是: 对于釆用静态调度的一 组设备, 通过设定基本传输资源和专用重传资源, 基本传输资源中每个设 备占用的时频资源小于现有技术中分配的时频资源, 在基本传输资源内未 完成所述 HARQ数据传输时,将未完成传输的 HARQ数据调度到专用重传 资源上进行传输, 通过一组设备复用专用 HARQ资源的方式, 使得完成整 个传输所需要的基本传输资源加上专用重传资源变得更小, 从而提高了资 源的利用率。 本实施例提供的物联网设备、 网络侧设备传输数据的方法和网络侧设 备, 具体可以与物联网设备传输数据的方法实施例属于同一构思, 其具体 实现过程详见方法实施例, 这里不再赘述。 值得注意的是, 上述用户设备和基站实施例中, 所包括的各个单元只 是按照功能逻辑进行划分的, 但并不局限于上述的划分, 只要能够实现相 应的功能即可; 另外, 各功能单元的具体名称也只是为了便于相互区分, 并不用于限制本发明的保护范围。 另外, 本领域普通技术人员可以理解实现上述各方法实施例中的全部 或部分步骤是可以通过程序来指令相关的硬件完成, 相应的程序可以存储 于一种计算机可读存储介质中, 上述提到的存储介质可以是只读存储器, 磁盘或光盘等。
以上所述, 仅为本发明较佳的具体实施方式, 但本发明的保护范围并 不局限于此, 任何熟悉本技术领域的技术人员在本发明实施例揭露的技术 范围内, 可轻易想到的变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护范围应该以权利要求的保护范围为准。

Claims

权利要求
1、 一种传输数据的方法, 其特征在于, 所述方法包括:
物联网设备获知网络侧设备为所述物联网设备划分的时频资源, 所述 时频资源包括基本上报资源和专用重传资源; 所述基本上报资源小于第一 上报资源, 所述第一上报资源为所述网络侧设备为所述物联网设备所在小 组划分的时频资源;
所述物联网设备在所述基本上报资源上进行混合自动重传请求 HARQ 数据传输;
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 时,将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行传输。
2、 根据权利要求 1所述的方法, 其特征在于, 所述专用重传资源包括 第一专用重传资源, 所述基本上报资源和所述第一专用重传资源分别占用 相同的频域资源且不同的时域资源;
所述当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据 传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行 传输, 包括:
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 时, 接收所述网络侧设备发送的第一调度信息, 根据所述第一调度信息的 指示, 将所述未完成传输的 HARQ数据调度到第一专用重传资源上传输。
3、 根据权利要求 2所述的方法, 其特征在于, 所述专用重传资源还包 括第二专用重传资源, 所述第二专用重传资源与所述第一专用重传资源分 别占用不同的频域资源, 且所述第一专用重传资源与所述第二专用重传资 源在时域上所占用的起始点相同;
所述当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据 传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行 传输, 包括:
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 传资源上传输。
4、 根据权利要求 1所述的方法, 其特征在于, 所述专用重传资源包括 第三专用重传资源, 所述基本上报资源和所述第三专用重传资源分别占用 不同的频域资源;
所述当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据 传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行 传输, 包括:
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 传资源上传输。
5、 根据权利要求 4所述的方法, 其特征在于, 所述专用重传资源还包 括第四专用重传资源, 所述第四专用重传资源和所基本上报资源分别占用 相同的频域资源且不同的时域资源, 且所述第四专用重传资源与所述第三 专用重传资源在时域上所占用的起始点不同;
所述当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据 传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行 传输, 包括:
当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 时, 接收所述网络侧设备发送的第二调度信息, 根据所述第二调度信息的 指示, 将所述未完成传输的 HARQ数据调度到第四专用重传资源上传输。
6、 根据权利要求 1、 3-5中任一项所述的方法, 其特征在于, 所述当所 述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 将所 述未完成传输的 HARQ数据调度到所述专用重传资源上进行传输, 包括: 当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据传输 时, 如果所述未完成传输的所述 HARQ数据所占用的专用重传资源与除所 述物联网设备之外的其它任一物联网设备传输 HARQ数据所占用的专用重 传资源发生碰撞, 则所述物联网设备接收所述网络侧设备发送的第三调度 信息指示,根据所述第三调度信息的指示,将所述未完成传输的所述 HARQ 数据调度到与所述其它任一物联网设备传输 HARQ数据所占用的专用重传 资源不发生碰撞的专用重传资源上传输。
7、 一种物联网设备, 其特征在于, 所述设备包括:
获知模块, 用于获知网络侧设备为其划分的时频资源, 所述时频资源 包括基本上报资源和专用重传资源; 所述基本上报资源小于第一上报资源 , 所述第一上报资源为所述网络侧设备为所述物联网设备所在小组划分的时 频资源;
传输模块, 用于在所述获知模块获知的所述基本上报资源上进行混合 自动重传请求 HARQ数据传输;
处理模块, 用于当所述传输模块在所述基本上报资源内未完成所述 HARQ数据传输时, 将所述未完成传输的 HARQ数据调度到所述获知模块 获知的所述专用重传资源上进行传输。
8、 根据权要求 7所述的设备, 其特征在于,
所述传输模块具体用于 , 当所述专用重传资源包括第一专用重传资源 , 所述基本上报资源和所述第一专用重传资源分别占用相同的频域资源且不 同的时域资源时, 所述传输模块在所述基本上报资源内未完成所述 HARQ 数据传输, 则接收所述网络侧设备发送的第一调度信息;
所述处理模块具体用于, 根据所述传输模块接收的第一调度信息的指 示, 将所述未完成传输的 HARQ数据调度到第一专用重传资源上传输。
9、 根据权利要求 8所述的设备, 其特征在于,
所述处理模块具体用于, 当所述专用重传资源还包括第二专用重传资 源时, 所述第二专用重传资源与所述第一专用重传资源分别占用不同的频 域资源, 且所述第一专用重传资源与所述第二专用重传资源在时域上所占 用的起始点相同, 所述传输模块在所述基本上报资源内未完成所述 HARQ 二专用重传资源上传输。
10、 根据权利要求 7所述的设备, 其特征在于,
所述处理模块具体用于, 所述专用重传资源包括第三专用重传资源, 所述基本上报资源和所述第三专用重传资源分别占用不同的频域资源, 所 述传输模块在所述基本上报资源内未完成所述 HARQ数据传输时, 则根据 本地策略将所述未完成传输的 HARQ数据调度到所述第三专用重传资源上 传输。
11、 根据权利要求 10所述的设备, 其特征在于,
所述传输模块还用于, 当所述专用重传资源还包括第四专用重传资源 时, 所述第四专用重传资源和所基本上报资源分别占用相同的频域资源且 不同的时域资源, 且所述第四专用重传资源与所述第三专用重传资源在时 域上所占用的起始点不同, 所述传输模块在所述基本上报资源内未完成所 述 HARQ数据传输时, 则接收所述网络侧设备发送的第二调度信息;
所述处理模块具体用于, 根据所述传输模块接收的第二调度信息的指 示, 将所述未完成传输的 HARQ数据调度到第四专用重传资源上传输。
12、 根据权利要求 7、 9-11中任一项所述的设备, 其特征在于, 所述传输模块还用于, 在所述基本上报资源内未完成所述 HARQ数据 传输时, 如果所述未完成传输的所述 HARQ数据所占用的专用重传资源与 除物联网设备以外的其它任一物联网设备传输 HARQ数据所占用的专用重 传资源发生碰撞, 则接收所述网络侧设备发送的第三调度信息指示;
所述处理模块具体用于, 根据所述传输模块接收的第三调度信息指示, 将所述未完成传输的所述 HARQ数据调度到与所述其它任一物联网设备传 输 HARQ数据所占用的专用重传资源不发生碰撞的所述专用重传资源上传 输。
13、 一种传输数据的方法, 其特征在于, 所述方法包括:
网络侧设备为物联网设备组划分时频资源, 所述时频资源包括基本上 报资源和专用重传资源, 所述基本上报资源小于第一上报资源, 所述第一 上报资源为所述网络侧设备为所述物联网设备组中的物联网设备划分的时 频资源;
所述网络侧设备将所述划分的时频资源信息告知所述物联网设备组中 的每一个物联网设备, 使所述物联网设备组中的每一个物联网设备根据所 述基本上报资源和所述专用重传资源进行混合自动重传请求 HARQ数据传 输, 并且当所述物联网设备在所述基本上报资源内未完成所述 HARQ数据 传输时, 将所述未完成传输的 HARQ数据调度到所述专用重传资源上进行 传输。
14、 根据权利要求 13所述的方法, 其特征在于, 所述专用重传资源包 括第一专用重传资源, 所述基本上报资源和所述第一专用重传资源分别占 用相同的频域资源且不同的时域资源, 所述方法还包括:
当所述物联网设备组中的任一物联网设备在所述基本上报资源内未完 成所述 HARQ数据传输时, 向所述任一物联网设备发送第一调度信息, 使 所述任一物联网设备根据所述第一调度信息的指示, 将所述未完成传输的 HARQ数据调度到第一专用重传资源上传输。
15、 根据权利要求 14所述的方法, 其特征在于, 所述专用重传资源还 包括第二专用重传资源, 所述第二专用重传资源与所述第一专用重传资源 分别占用不同的频域资源, 且所述第一专用重传资源与所述第二专用重传 资源在时域上所占用的起始点相同, 所述方法还包括:
当所述物联网设备组中的任一物联网设备在所述基本上报资源内未完 成所述 HARQ数据传输时, 使所述任一物联网设备根据本地策略将所述未 完成传输的 HARQ数据调度到所述第二专用重传资源上传输。
16、 根据权利要求 13所述的方法, 其特征在于, 所述专用重传资源包 括第三专用重传资源, 所述基本上报资源和所述第三专用重传资源分别占 用不同的频域资源, 所述方法还包括:
当所述物联网设备组中的任一物联网设备在所述基本上报资源内未完 成所述 HARQ数据传输时, 使所述任一物联网设备根据本地策略将所述未 完成传输的 HARQ数据调度到所述第三专用重传资源上传输。
17、 根据权利要求 16所述的方法, 其特征在于, 所述专用重传资源还 包括第四专用重传资源, 所述第四专用重传资源和所基本上报资源分别占 用相同的频域资源且不同的时域资源, 且所述第四专用重传资源与所述第 三专用重传资源在时域上所占用的起始点不同, 所述方法还包括:
当所述物联网设备组中的任一物联网设备在所述基本上报资源内未完 成所述 HARQ数据传输时, 向所述任一物联网设备发送第二调度信息, 使 所述任一物联网设备根据所述第二调度信息的指示, 将所述未完成传输的 HARQ数据调度到第四专用重传资源上传输。
18、 根据权利要求 13、 15-17任一项中所述的方法, 其特征在于, 所述 方法还包括:
当所述物联网设备组中任一物联网设备在所述基本上报资源内未完成 所述 HARQ数据传输时,如果所述未完成传输的所述 HARQ数据所占用的 专用重传资源与其它任一物联网设备传输 HARQ数据所占用的专用重传资 源发生碰撞, 则向所述任一物联网设备发送第三调度信息, 使所述任一物 联网设备根据所述第三调度信息的指示, 将未完成传输的所述 HARQ数据 调度到与所述其它任一物联网设备传输 HARQ数据所占用的专用重传资源 不发生碰撞的所述专用重传资源上传输。
19、 一种网络侧设备, 其特征在于, 所述设备包括:
划分模块, 用于为物联网设备组划分出时频资源, 所述时频资源包括 基本上报资源和专用重传资源; 所述基本上报资源小于第一上报资源, 所 述第一上报资源为所述网络侧设备为所述物联网设备组中的物联网设备划 分的时频资源;
告知模块, 用于将所述划分模块划分的时频资源信息告知所述物联网 设备组中的每一个物联网设备, 使所述所述物联网设备组中的每一个物联 网设备根据所述基本上报资源和所述专用重传资源进行混合自动重传请求
HARQ数据传输, 并且当所述物联网设备在所述基本上报资源内未完成所 述 HARQ数据传输时,将所述未完成传输的 HARQ数据调度到所述专用重 传资源上进行传输。
20、 根据权利要求 19所述的设备, 其特征在于, 所述划分模块具体用 于, 划分专用重传资源包括第一专用重传资源, 所述基本上报资源和所述 还包括:
第一发送模块, 用于当所述划分模块划分的专用重传资源包括第一专 用重传资源, 所述基本上报资源和所述第一专用重传资源分别占用相同的 频域资源且不同的时域资源时, 所述物联网设备组中的任一物联网设备在 所述基本上报资源内未完成所述 HARQ数据传输, 则向所述任一物联网设 备发送第一调度信息, 使所述任一物联网设备根据所述第一调度信息的指 示, 将所述未完成传输的 HARQ数据调度到第一专用重传资源上传输。
21、 根据权利要求 20所述的设备, 其特征在于, 所述划分模块具体用 于, 划分专用重传资源还包括第二专用重传资源, 所述第二专用重传资源 与所述第一专用重传资源分别占用不同的频域资源, 且所述第一专用重传 资源与所述第二专用重传资源在时域上所占用的起始点相同时, 则当所述 物联网设备组中的任一物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 使所述任一物联网设备根据本地策略将所述未完成传 输的 HARQ数据调度到所述第二专用重传资源上传输。
22、 根据权利要求 19所述的设备, 其特征在于, 所述划分模块具体用 于, 划分专用重传资源包括第三专用重传资源, 所述基本上报资源和所述 第三专用重传资源分别占用不同的频域资源时, 则当所述物联网设备组中 的任一物联网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 到所述第三专用重传资源上传输。
23、 根据权利要求 22所述的设备, 其特征在于, 所述划分模块还用于 划分专用重传资源还包括第四专用重传资源, 所述第四专用重传资源和所 用重传资源与所述第三专用重传资源在时域上所占用的起始点不同, 所述 设备还包括:
第二发送模块, 用于当所述划分模块划分的专用重传资源还包括第四 专用重传资源, 所述第四专用重传资源和所基本上报资源分别占用相同的 频域资源且不同的时域资源, 且所述第四专用重传资源与所述第三专用重 传资源在时域上所占用的起始点不同时, 所述物联网设备组中的任一物联 网设备在所述基本上报资源内未完成所述 HARQ数据传输时, 则向所述任 一物联网设备发送第二调度信息, 使所述任一物联网设备根据所述第二调 度信息的指示, 将所述未完成传输的 HARQ数据调度到第四专用重传资源 上传输。
24、 根据权利要求 19、 21-23任一项中所述的设备, 其特征在于, 所述 设备还包括:
处理模块, 用于当所述任一物联网设备在所述基本上报资源内未完成 所述 HARQ数据传输时时,确认所述未完成传输的所述 HARQ数据所占用 的专用重传资源与其它任一物联网设备传输 HARQ数据所占用的专用重传 资源是否发生碰撞;
第三发送模块, 用于当所述处理模块确认所述未完成传输的所述 HARQ数据所占用的专用重传资源与其它任一物联网设备传输 HARQ数据 所占用的专用重传资源发生碰撞, 则向所述任一物联网设备发送第三调度 信息指示, 使所述任一物联网设备根据所述第三调度信息的指示, 将未完 成传输的所述 HARQ数据调度到与所述其它任一物联网设备传输 HARQ数 据所占用的专用重传资源不发生碰撞的所述专用重传资源上传输。
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