WO2017041685A1 - 用于上行数据传输的方法、终端设备和网络设备 - Google Patents

用于上行数据传输的方法、终端设备和网络设备 Download PDF

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Publication number
WO2017041685A1
WO2017041685A1 PCT/CN2016/098131 CN2016098131W WO2017041685A1 WO 2017041685 A1 WO2017041685 A1 WO 2017041685A1 CN 2016098131 W CN2016098131 W CN 2016098131W WO 2017041685 A1 WO2017041685 A1 WO 2017041685A1
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WIPO (PCT)
Prior art keywords
random access
preamble sequence
terminal device
access preamble
resource
Prior art date
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PCT/CN2016/098131
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English (en)
French (fr)
Inventor
戎璐
刘亚林
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华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP16843623.6A priority Critical patent/EP3340726B1/en
Publication of WO2017041685A1 publication Critical patent/WO2017041685A1/zh
Priority to US15/914,412 priority patent/US10568142B2/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/002Transmission of channel access control information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • H04W74/0841Random access procedures, e.g. with 4-step access with collision treatment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • H04W74/0836Random access procedures, e.g. with 4-step access with 2-step access
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, a terminal device, and a network device for uplink data transmission in the field of communications.
  • next-generation mobile communication systems will support not only traditional communications, but also machine-to-machine (M2M) communications, or Machine Type Communication (Machine Type Communication).
  • M2M machine-to-machine
  • MTC Machine Type Communication
  • the number of MTC devices connected to the network will reach 500 to 100 billion, which will far exceed the current number of connections.
  • M2M services due to the wide variety of services, there is a big difference in network requirements. In general, there are several requirements: (I) reliable transmission, but not sensitive to delay; (II) low latency, high reliability transmission.
  • Grant Free transmission can be understood as a contention-based uplink service data transmission, data transmission with Wireless Local Area Network (WLAN), and existing random access in Long Term Evolution (LTE) systems. The process is essentially different.
  • Grant Free Transport does not yet have a mechanism for network devices to obtain licenses to use Grant Free transport resources.
  • Embodiments of the present invention provide a method, a terminal device, and a network device for uplink data transmission, which can permit contention-based unlicensed transmission resources, thereby improving the efficiency of system transmission of data.
  • a method for uplink data transmission comprising:
  • the terminal device sends information for requesting an unlicensed transmission resource to the network device;
  • the terminal device receives the resource indication information sent by the network device, where the resource indication information is used to indicate that the network device allocates an unauthorized transmission to the terminal device according to the information for requesting an unlicensed transmission resource.
  • the terminal device determines, according to the resource indication information, a transmission resource that performs an unlicensed transmission.
  • the terminal device Sending information to the network device for requesting an unlicensed transmission resource, including:
  • the terminal device requests the network device to request an unlicensed transmission resource by sending a first random access preamble sequence, where the first random access preamble sequence belongs to the first random access preamble sequence group, where the first The random access preamble sequence group is configured to request an unlicensed transmission resource, and the first random access preamble sequence group includes at least one random access preamble sequence.
  • the terminal device requests the network device to obtain an exemption by sending the first random access preamble sequence Before the resource is transmitted, the method further includes:
  • the terminal device selects the first random access preamble sequence of the first random access preamble sequence group from a plurality of random access preamble sequence groups, where the plurality of random access preamble sequence groups at least include the a first random access preamble sequence group and a second random access preamble sequence group, the second random access preamble sequence group being configured to request an authorized transmission resource.
  • the first random access preamble sequence group includes M first random access preambles
  • the sequence subgroup, the M first random access preamble sequence subgroups are divided according to transmission characteristics.
  • the terminal device sends, to the network device, information for requesting an unlicensed transmission resource, including:
  • the terminal device requests an unlicensed transmission resource from the network device by sending a random access preamble sequence on the first random access channel, where the first random access channel belongs to the first random access channel group,
  • the first random access channel group is configured to request an unlicensed transmission resource, and the first random access channel group includes at least one random access channel.
  • the method before the terminal device sends the random access preamble sequence on the first random access channel, the method also includes:
  • the terminal device selects the first random access channel of the first random access channel group from a plurality of random access channel groups, where the multiple random access channel groups include at least the first random access And a second random access channel group, the second random access channel group is configured to request an authorized transmission resource.
  • the first random access channel group includes N random access channel subgroups, The N random access channel sub-groups are divided according to transmission characteristics.
  • the terminal device sends, to the network device, information for requesting an unlicensed transmission resource, including:
  • the terminal device requests an unlicensed transmission resource from the network device by sending a first random access preamble sequence on the first random access channel, where the first random access channel and the first random access preamble
  • the combination of sequences belongs to a first combined set for requesting an unlicensed transmission resource, the first combined set comprising a combination of at least one random access channel and a random access preamble sequence.
  • the method before the terminal device sends the first random access preamble sequence on the first random access channel, the method further includes:
  • the first combination set includes K combined subsets, the K combinations Sets are divided according to transmission characteristics.
  • the transmission characteristic comprises a delay characteristic, a power consumption characteristic, and a transmission time One or more of the interval TTI length characteristics.
  • the terminal device sends information for requesting an unlicensed transmission resource to the network device, including:
  • the terminal device sends, by using the radio resource control RRC signaling, resource request information for requesting an unlicensed transmission resource to the network device.
  • the terminal device sends, to the network device, information for requesting an unlicensed transmission resource, including:
  • the terminal device sends resource request information for requesting an unlicensed transmission resource to the network device by using medium access control MAC signaling.
  • the resource request information includes transmission characteristic information, where the transmission characteristic The information is used to indicate a transmission characteristic of the unlicensed transmission resource of the terminal device.
  • the transmission characteristic information includes delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristics. At least one of the information.
  • the resource request information includes a terminal Equipment Identity.
  • the resource indication The information includes a combination of one or more of information indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the resource indication The information includes an index of the unlicensed transmission resource, an index of the time domain location of the unlicensed transmission resource, an index of the frequency domain location of the unlicensed transmission resource, an index of the code domain location of the unlicensed transmission resource, and a pilot of the unlicensed transmission resource. A combination of one or more of the indexes.
  • the frequency domain location includes the unlicensed transmission resource in a frequency domain The position of the occupied subband.
  • a method for uplink data transmission including:
  • the network device receives information sent by the terminal device for requesting an unlicensed transmission resource
  • the network device sends resource indication information to the terminal device, where the resource indication information is used to indicate that the network device allocates an unlicensed transmission resource for the terminal device according to the information for requesting an unlicensed transmission resource. .
  • the network device receives, by the terminal device, information for requesting an unlicensed transmission resource, including:
  • the first random access preamble sequence group includes at least one random access preamble sequence.
  • the first random access preamble sequence is that the terminal device is configured from multiple random access preamble sequences a random access preamble sequence of the first random access preamble sequence group selected in the The random access preamble sequence group includes at least the first random access preamble sequence group and the second random access preamble sequence group, and the second random access preamble sequence group is used to request an authorized transmission resource.
  • the first random access preamble sequence group includes M first random access preambles
  • the sequence subgroup, the M first random access preamble sequence subgroups are divided according to transmission characteristics.
  • the network device receives, by the terminal device, information for requesting an unlicensed transmission resource, including:
  • a random access preamble sequence sent by the terminal device on a first random access channel where the first random access channel belongs to a first random access channel group, and the first random access
  • the incoming channel group is configured to request an unlicensed transmission resource, and the first random access channel group includes at least one random access channel.
  • the first random access channel is that the terminal device selects from multiple random access channel groups The random access channel of the first random access channel group, the plurality of random access channel groups including at least the first random access channel group and the second random access channel group, the second random The access channel group is used to request authorization of transmission resources.
  • the first random access channel group includes N random access channel subgroups, The N random access channel sub-groups are divided according to transmission characteristics.
  • the network device receives, by the terminal device, information for requesting an unlicensed transmission resource, including:
  • the network device Receiving, by the network device, a first random access preamble sequence sent by the terminal device on the first random access channel, where the combination of the first random access channel and the first random access preamble sequence belongs to the first A combined set, the first combined set is for requesting an unlicensed transmission resource, and the first combined set includes a combination of at least one random access channel and a random access preamble sequence.
  • the combination of the first random access channel and the first random access preamble sequence is the terminal device a combination of a random access channel and a random access preamble sequence of a first combination set selected from a plurality of combination sets, the plurality of combination sets including at least the first combination set and the second combination set, the second The combined set is used to request authorization to transfer resources.
  • the first combination set includes K combined subsets, the K combinations Sets are divided according to transmission characteristics.
  • the transmission characteristic comprises a delay characteristic, a power consumption characteristic, and a transmission time One or more of the interval TTI length characteristics.
  • the network device by using the network device, the information that is sent by the terminal device, for requesting the unlicensed transmission resource, includes:
  • the network device receives, by the terminal device, the resource request information for requesting the unlicensed transmission resource, sent by the terminal device to the network device by using the radio resource control RRC signaling.
  • the network device receives, by the terminal device, information for requesting an unlicensed transmission resource, including:
  • the network device receives, by the terminal device, resource request information for requesting an unlicensed transmission resource, sent by the terminal device to the network device by using medium access control MAC signaling.
  • the resource request information includes transmission characteristic information, where the transmission characteristic The information is used to indicate a transmission characteristic of the unlicensed transmission resource of the terminal device.
  • the transmission characteristic information includes delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristics. At least one of the information.
  • the resource request information includes the terminal Device identification
  • the method further includes:
  • the network device allocates different unlicensed transmission resources for different terminal devices according to the terminal device identifier.
  • the resource indication The information includes a combination of one or more of information indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the resource The indication information includes an index of the unlicensed transmission resource, an index of the time domain location of the unlicensed transmission resource, an index of the frequency domain location of the unlicensed transmission resource, an index of the code domain location of the unlicensed transmission resource, and a pilot of the unlicensed transmission resource. A combination of one or more of the indexes.
  • the frequency domain location includes the unlicensed transmission resource in a frequency domain The position of the occupied subband.
  • a terminal device including:
  • a sending module configured to send, to the network device, information for requesting an unlicensed transmission resource
  • a receiving module configured to receive resource indication information that is sent by the network device, where the resource indication information is used to indicate that the network device sends, according to the sending, the information for requesting an unlicensed transmission resource, An unlicensed transmission resource allocated by the terminal device;
  • a determining module configured to determine, according to the resource indication information received by the receiving module, a transmission resource that performs an unlicensed transmission.
  • the sending module is specifically configured to:
  • the sequence group is configured to request an unlicensed transmission resource
  • the first random access preamble sequence group includes at least one random access preamble sequence.
  • the terminal device further includes:
  • a selecting module configured to select the first random access from multiple random access preamble sequence groups before the sending module sends the first random access preamble sequence to request the unlicensed transmission resource to the network device
  • the first random access preamble sequence of the preamble sequence group, the plurality of random access preamble sequence groups at least including the first random access preamble sequence group and the second random access preamble sequence group, the second The random access preamble sequence group is used to request authorization for transmission resources.
  • the first random access preamble sequence group includes M first random access preambles
  • the sequence subgroup, the M first random access preamble sequence subgroups are divided according to transmission characteristics.
  • the sending module is specifically configured to:
  • the network device Requesting an unlicensed transmission resource to the network device by transmitting a random access preamble sequence on the first random access channel, where the first random access channel belongs to a first random access channel group, the first The random access channel group is configured to request an unlicensed transmission resource, and the first random access channel group includes at least one random access channel.
  • the terminal device further includes:
  • a selecting module configured to select the first random access channel group from the plurality of random access channel groups before the sending module sends the random access preamble sequence on the first random access channel a random access channel, the plurality of random access channel groups including at least the first random access channel group and a second random access channel group, and the second random access channel group is configured to request authorized transmission resources .
  • the first random access channel group includes N random access channel subgroups, The N random access channel sub-groups are divided according to transmission characteristics.
  • the sending module is specifically configured to:
  • the terminal device further includes:
  • a selecting module configured to select, according to the sending module, the first random access channel of the first combination set from the plurality of combination sets, before sending the first random access preamble sequence on the first random access channel a combination of a first random access preamble sequence, the plurality of combined sets including at least the first combined set and a second combined set, the second combined set being used to request an authorized transmission resource.
  • the first combination set includes K combined subsets, the K combinations Sets are divided according to transmission characteristics.
  • the transmission characteristic comprises a delay characteristic, a power consumption characteristic, and a transmission One or more of the time interval TTI length characteristics.
  • the sending module is specifically configured to:
  • Resource request information for requesting an unlicensed transmission resource is transmitted to the network device by radio resource control RRC signaling.
  • the sending module is specifically configured to:
  • Resource request information for requesting an unlicensed transmission resource is transmitted to the network device by medium access control MAC signaling.
  • the resource request information includes transmission characteristic information, where the transmission characteristic The information is used to indicate a transmission characteristic of the unlicensed transmission resource of the terminal device.
  • the transmission characteristic information includes delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristics. At least one of the information.
  • the resource request information includes the terminal Equipment Identity.
  • the receiving module The received resource indication information includes a combination of one or more of information indicating a time domain location of an unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the receiving module The received resource indication information includes an index of an unlicensed transmission resource, an index of a time domain location of the unlicensed transmission resource, an index of a frequency domain location of the unlicensed transmission resource, an index of the code domain location of the unlicensed transmission resource, and an unauthorized license.
  • the frequency domain location includes the unlicensed transmission resource in a frequency domain The position of the occupied subband.
  • a network device including:
  • a receiving module configured to receive, by the terminal device, information for requesting an unlicensed transmission resource
  • a sending module configured to send, to the terminal device, the resource indication information, where the resource indication information is used to indicate, by the network device, the information used to request an unlicensed transmission resource according to the receiving module, where the terminal is An unlicensed transmission resource allocated by the device.
  • the receiving module is specifically configured to:
  • the first random access preamble sequence group includes at least one random access preamble sequence.
  • the first random access preamble sequence is that the terminal device is configured from multiple random access preamble sequences a random access preamble sequence of the first random access preamble sequence group selected, the plurality of random access preamble sequence groups including at least the first random access preamble sequence group and a second random access preamble sequence
  • the second random access preamble sequence group is configured to request an authorized transmission resource.
  • the first random access preamble sequence group includes M first random access preambles
  • the sequence subgroup, the M first random access preamble sequence subgroups are divided according to transmission characteristics.
  • the receiving module is specifically configured to:
  • the first random access channel group includes at least one random access channel.
  • the first random access channel is that the terminal device selects from multiple random access channel groups The random access channel of the first random access channel group, the plurality of random access channel groups including at least the first random access channel group and the second random access channel group, the second random The access channel group is used to request authorization of transmission resources.
  • the first random access channel group includes N random access channel sub-groups, and the N random access channel sub-groups are divided according to transmission characteristics.
  • the receiving module is specifically configured to:
  • a first random access preamble sequence sent by the first random access channel where the combination of the first random access channel and the first random access preamble sequence belongs to a first combination set, where The first combined set is for requesting an unlicensed transmission resource, and the first combined set includes a combination of at least one random access channel and a random access preamble sequence.
  • the combination of the first random access channel and the first random access preamble sequence is the terminal device a combination of a random access channel and a random access preamble sequence of a first combination set selected from a plurality of combination sets, the plurality of combination sets including at least the first combination set and the second combination set, the second The combined set is used to request authorization to transfer resources.
  • the first combination set includes K combination subsets, and the K combinations Sets are divided according to transmission characteristics.
  • the transmission characteristic comprises a delay characteristic, a power consumption characteristic, and a transmission time One or more of the interval TTI length characteristics.
  • the receiving module is specifically configured to:
  • Radio resource control RRC signaling Receiving resource request information for requesting an unlicensed transmission resource sent by the terminal device to the network device by using radio resource control RRC signaling.
  • the receiving module is specifically configured to:
  • the resource request information includes transmission characteristic information, where the transmission characteristic The information is used to indicate a transmission characteristic of the unlicensed transmission resource of the terminal device.
  • the transmission characteristic information includes at least one of delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristic information.
  • the resource request information includes a terminal Device identifier
  • the network device further includes:
  • the processing module is configured to allocate different unlicensed transmission resources to different terminal devices according to the terminal device identifier.
  • the resource indication information that is transmitted includes a combination of one or more of information indicating a time domain location of an unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the sending module The resource indication information sent includes an index of the unlicensed transmission resource, an index of the time domain location of the unlicensed transmission resource, an index of the frequency domain location of the unlicensed transmission resource, an index of the code domain location of the unlicensed transmission resource, and an unauthorized license.
  • the frequency domain location includes the unlicensed transmission resource in a frequency domain The position of the occupied subband.
  • a terminal device In a fifth aspect, a terminal device, a processor, a memory, a transmitter, and a receiver are provided;
  • the sender invokes a program stored in the memory for transmitting information for requesting an unlicensed transmission resource to a network device;
  • the receiver calls a program stored in the memory for receiving The resource indication information sent by the network device, where the resource indication information is used to indicate that the network device allocates an unauthorized transmission to the terminal device according to the information used by the sender to request an unlicensed transmission resource.
  • a resource the processor invoking a program stored in the memory for determining a transmission resource for performing an unlicensed transmission according to the resource indication information received by the receiver.
  • the transmitter is specifically configured to:
  • the processor is further configured to:
  • the first random access preamble sequence group is selected from the plurality of random access preamble sequence groups.
  • a first random access preamble sequence where the multiple random access preamble sequence groups include at least the first random access preamble sequence group and a second random access preamble sequence group, and the second random access preamble sequence The group is used to request authorization to transfer resources.
  • the first random access preamble sequence group includes M first random access preambles
  • the sequence subgroup, the M first random access preamble sequence subgroups are divided according to transmission characteristics.
  • the transmitter is specifically configured to:
  • the network device Requesting an unlicensed transmission resource to the network device by transmitting a random access preamble sequence on the first random access channel, where the first random access channel belongs to a first random access channel group, the first The random access channel group is configured to request an unlicensed transmission resource, and the first random access channel group includes at least one random access channel.
  • the processor is further configured to:
  • the sending module Selecting, by the sending module, the first random access channel of the first random access channel group from a plurality of random access channel groups before transmitting a random access preamble sequence on the first random access channel
  • the plurality of random access channel groups include at least the first random access channel group and the second random access channel group, and the second random access channel group is configured to request authorized transmission resources.
  • the first random access channel group includes N random access channel subgroups, The N random access channel sub-groups are divided according to transmission characteristics.
  • the generator is specifically configured to:
  • a combined set includes a combination of at least one random access channel and a random access preamble sequence.
  • the processor is further configured to:
  • the sending module Selecting, by the sending module, the first random access channel and the first random access of the first combination set from the plurality of combination sets before transmitting the first random access preamble sequence on the first random access channel
  • the first combination set includes K combination subsets, the K combination components Sets are divided according to transmission characteristics.
  • the transmission characteristic comprises a delay characteristic, a power consumption characteristic, and a transmission time One or more of the interval TTI length characteristics.
  • the transmitter is specifically configured to:
  • Resource request information for requesting an unlicensed transmission resource is transmitted to the network device by radio resource control RRC signaling.
  • the transmitter is specifically configured to:
  • Resource request information for requesting an unlicensed transmission resource is transmitted to the network device by medium access control MAC signaling.
  • the transmission characteristic information is used to indicate the unauthorized transmission of the terminal device The transmission characteristics of the resource.
  • the transmission characteristic information includes delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristic At least one of the information.
  • the resource request information includes terminal device identification.
  • the receiver The received resource indication information includes a combination of one or more of information indicating a time domain location of an unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the receiver The received resource indication information includes an index of an unlicensed transmission resource, an index of a time domain location of the unlicensed transmission resource, an index of a frequency domain location of the unlicensed transmission resource, an index of the code domain location of the unlicensed transmission resource, and an unauthorized license.
  • the frequency domain location includes the unlicensed transmission resource in a frequency domain The position of the occupied subband.
  • a sixth aspect provides a network device, including: a transmitter and a receiver;
  • the receiver is configured to receive, by the terminal device, information for requesting an unlicensed transmission resource, where the transmitter is configured to send the resource indication information to the terminal device, where the resource indication information is used to indicate that the network device is configured according to the The information received by the receiver for requesting an unlicensed transmission resource, the unlicensed transmission resource allocated to the terminal device.
  • the receiver is specifically configured to:
  • the first random access preamble sequence group includes at least one random access preamble sequence.
  • the first random access preamble sequence is that the terminal device is configured from multiple random access preamble sequences a random access preamble sequence of the first random access preamble sequence group selected, the plurality of random access preamble sequence groups including at least the first random access preamble sequence group and a second random access preamble sequence
  • the second random access preamble sequence group is configured to request an authorized transmission resource.
  • the first random access preamble sequence group includes M first random accesses
  • the preamble sequence subgroup, the M first random access preamble sequence subgroups are divided according to transmission characteristics.
  • the receiver is specifically configured to:
  • the first random access channel group includes at least one random access channel.
  • the first random access channel is that the terminal device selects from multiple random access channel groups The random access channel of the first random access channel group, the plurality of random access channel groups including at least the first random access channel group and the second random access channel group, the second random The access channel group is used to request authorization of transmission resources.
  • the first random access channel group includes N random access channel subgroups, The N random access channel sub-groups are divided according to transmission characteristics.
  • the receiver is specifically configured to:
  • a first random access preamble sequence sent by the first random access channel where the combination of the first random access channel and the first random access preamble sequence belongs to a first combination set, where The first combined set is for requesting an unlicensed transmission resource, and the first combined set includes a combination of at least one random access channel and a random access preamble sequence.
  • the combination of the first random access channel and the first random access preamble sequence is the terminal device a combination of a random access channel and a random access preamble sequence of a first combination set selected from a plurality of combination sets, the plurality of combination sets including at least the first combination set and the second combination set, the second The combined set is used to request authorization to transfer resources.
  • the first combination set includes K combination subsets, and the K combination components Sets are divided according to transmission characteristics.
  • the transmission characteristic includes one or more of a delay characteristic, a power consumption characteristic, and a transmission time interval TTI length characteristic.
  • the receiver is specifically configured to:
  • Radio resource control RRC signaling Receiving resource request information for requesting an unlicensed transmission resource sent by the terminal device to the network device by using radio resource control RRC signaling.
  • the receiver is specifically configured to:
  • the transmission characteristic information includes delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristic At least one of the information.
  • the resource request information includes the terminal Device identifier
  • the network device further includes a processor
  • the processor is configured to:
  • the transmitter The resource indication information that is transmitted includes a combination of one or more of information indicating a time domain location of an unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the transmitter The resource indication information sent includes an index of the unlicensed transmission resource, an index of the time domain location of the unlicensed transmission resource, an index of the frequency domain location of the unlicensed transmission resource, an index of the code domain location of the unlicensed transmission resource, and an unauthorized license.
  • the frequency domain location includes the unlicensed transmission resource in a frequency domain The position of the occupied subband.
  • the terminal device sends information for requesting the unlicensed transmission resource to the network device, and receives the resource indication information sent by the network device.
  • the terminal device can perform uplink data transmission, thereby implementing contention-based uplink data transmission, and improving the efficiency of the system for transmitting data.
  • FIG. 1 is a schematic architectural diagram of a communication system to which an embodiment of the present invention is applied.
  • FIG. 2 is a schematic diagram of definitions of CARs and CTUs according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a method for uplink data transmission according to an embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of a method for uplink data transmission according to another embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a method for uplink data transmission according to still another embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of a method for uplink data transmission according to still another embodiment of the present invention.
  • FIG. 7 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 8 is a schematic block diagram of a network device according to an embodiment of the present invention.
  • FIG. 9 is a schematic block diagram of a terminal device according to still another embodiment of the present invention.
  • FIG. 10 is a schematic block diagram of a network device according to still another embodiment of the present invention.
  • a component can be, but is not limited to, a process running on a processor, a processor, an object, an executable file, Execute threads, programs, and/or computers.
  • an application running on a computing device and a computing device can be a component.
  • One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers. Moreover, these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems
  • the present invention describes various embodiments in connection with a terminal device.
  • the terminal device can communicate with one or more core networks via a radio access network (RAN), and the terminal device can refer to a user equipment (User Equipment, referred to as “UE”), an access terminal, a subscriber unit, and a user.
  • RAN radio access network
  • UE User Equipment
  • Station mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, none Line communication device, user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol ("SSIP") phone, a Wireless Local Loop (WLL) station, and a personal digital processing (Personal Digital) Assistant, referred to as "PDA” for short, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks, and the like.
  • SSIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Processing
  • the present invention describes various embodiments in connection with a network device.
  • the network device may be a device for communicating with the terminal device, for example, may be a base station (Base Transceiver Station, abbreviated as "BTS”) in the GSM system or CDMA, or may be a base station (NodeB in the WCDMA system, referred to as "NB") may also be an evolved base station (Evolutional Node B, "eNB” or "eNodeB”) in the LTE system, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and A network side device in a future 5G network or a network device in a future evolved PLMN network.
  • BTS Base Transceiver Station
  • NodeB base station
  • eNodeB evolved base station
  • eNodeB evolved base station
  • the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and A network side
  • the term "article of manufacture” as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media.
  • the computer readable medium may include, but is not limited to, a magnetic storage device (for example, a hard disk, a floppy disk, or a magnetic tape), and an optical disk (for example, a CD (Compact Disk), a DVD (Digital Versatile Disk). Etc.), smart cards and flash memory devices (eg, EPROM (Erasable Programmable Read-Only Memory), cards, sticks or key drivers, etc.).
  • various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, without limitation, a wireless channel and various other mediums capable of storing, containing, and/or carrying instructions and/or data.
  • the next-generation mobile communication system will support not only traditional communication, but also machine-to-machine (M2M) communication, or Machine Type Communication (MTC) communication.
  • M2M machine-to-machine
  • MTC Machine Type Communication
  • the number of MTC devices connected to the network will reach 500 to 100 billion, which will far exceed the current number of connections.
  • M2M services due to the wide variety of services, there is a big difference in network requirements. In general, there are several requirements: (I) reliable transmission, but not sensitive to delay; (II) low latency, high reliability transmission.
  • a reliable transmission type of service requires not only a short transmission time but also a reliable requirement, such as a V2V (Vehicle to Vehicle) service. If the transmission is unreliable, it will cause retransmission and the transmission delay will be too large to meet the requirements.
  • V2V Vehicle to Vehicle
  • a large number of connections require more resources to access the terminal device and need to consume more resources for the transmission of scheduling signaling related to the data transmission of the terminal device.
  • FIG. 1 shows a schematic architectural diagram of a communication system to which an embodiment of the present invention is applied.
  • the communication system 100 can include a network device 102 and terminal devices 104-114 (referred to as UEs in the figure) connected by a wireless connection or a wired connection or other means.
  • UEs terminal devices
  • the network in the embodiment of the present invention may refer to a Public Land Mobile Network (PLMN) or a D2D network or an M2M network or other network.
  • PLMN Public Land Mobile Network
  • FIG. 1 is only a simplified schematic diagram of the example, and the network may also include other Network equipment, not shown in Figure 1.
  • the unlicensed transmission may be: the network device pre-allocates and informs the terminal device of multiple transmission resources; when the terminal device has the uplink data transmission requirement, select at least one transmission resource from the plurality of transmission resources pre-allocated by the network device, and use the selected one.
  • the transmission resource sends the uplink data; the network device detects the uplink data sent by the terminal device on one or more of the pre-assigned multiple transmission resources.
  • the detection may be blind detection, or may be performed according to one of the control domains in the uplink data, or may be detected in other manners.
  • the unlicensed transmission may be: the network device pre-allocates and informs the terminal device of multiple transmission resources, so that when the terminal device has an uplink data transmission requirement, at least one transmission resource is selected from a plurality of transmission resources pre-allocated by the network device, and used.
  • the selected transmission resource sends uplink data.
  • the unlicensed transmission may be: acquiring information of a plurality of pre-assigned transmission resources, selecting at least one transmission resource from the plurality of transmission resources when the uplink data transmission request is required, and transmitting the uplink data by using the selected transmission resource.
  • the method of obtaining can be obtained from a network device.
  • Unauthorized transmission can mean that the terminal equipment can be realized without dynamic scheduling of network equipment.
  • the method for uplink data transmission may refer to a scheduling manner in which the network device indicates the transmission resource by signaling for each uplink data transmission of the terminal device.
  • implementing uplink data transmission of the terminal device may be understood as allowing data of two or more terminal devices to perform uplink data transmission on the same time-frequency resource.
  • the transmission resource may be one or more transmission time units of transmission resources after the time when the UE receives the signaling.
  • a transmission time unit may refer to a minimum time unit for one transmission, such as a Transmission Time Interval ("TTI"), the value may be 1 ms, or may be a preset transmission time unit.
  • TTI Transmission Time Interval
  • Unauthorized transmission may refer to: the terminal device performs uplink data transmission without requiring network device authorization.
  • the authorization may be performed by the terminal device sending an uplink scheduling request to the network device. After receiving the scheduling request, the network device sends an uplink grant to the terminal device, where the uplink grant indicates the uplink transmission resource allocated to the terminal device.
  • the unlicensed transmission may be a competitive transmission mode. Specifically, multiple terminals may simultaneously perform uplink data transmission on the same time-frequency resources allocated in advance, without requiring the base station to perform authorization.
  • the data may be included in service data or signaling data.
  • the blind detection can be understood as the detection of data that may arrive without predicting whether or not data has arrived.
  • the blind detection can also be understood as detection without explicit signaling indication.
  • the transmission resource may include, but is not limited to, a combination of one or more of the following resources: a time domain resource, such as a radio frame, a subframe, a symbol, etc.; a frequency domain resource, such as a subcarrier, a resource block, etc.; a spatial domain resource, such as Transmit antenna, beam, etc.; code domain resources, such as SCMA codebook, Low Density Signature (LDS), CDMA code, etc.; uplink pilot resources.
  • a time domain resource such as a radio frame, a subframe, a symbol, etc.
  • a frequency domain resource such as a subcarrier, a resource block, etc.
  • a spatial domain resource such as Transmit antenna, beam, etc.
  • code domain resources such as SCMA codebook, Low Density Signature (LDS), CDMA code, etc.
  • LDS Low Density Signature
  • a Contention Transmission Unit may be a basic transmission resource for unauthorized transmission.
  • a CTU may refer to a transmission resource combining time, frequency, and code domain, or may refer to a combination of time, frequency, and pilot transmission, or may refer to a transmission resource combining time, frequency, code domain, and pilot.
  • the access area of the CTU may refer to a time-frequency area for unauthorized transmission.
  • Patent No. PCT/CN2014/073084 the application name is "System and Method for Uplink"
  • the patent application of Grant-free Transmission Scheme gives a technical solution for uplink unlicensed transmission.
  • the PCT/CN2014/073084 application describes that radio resources can be divided into various CTUs, and UEs are mapped to a certain CTU.
  • a set of codes may be assigned, and the assigned set of codes may be a set of CDMA codes, or may be an SCMA codebook set or an LDS group or a signature group, etc.
  • Each code may correspond to a set of pilots.
  • a code and a pilot in the pilot group corresponding to the code are selected for uplink transmission.
  • the content of the PCT/CN2014/073084 application is also to be understood as a part of the content of the embodiments of the present invention, and no further details are omitted.
  • the terminal devices 104-114 may report their own capability information to the network device 102, wherein the capability information may include information indicating whether there is an capability of uplink unlicensed transmission.
  • the network device 102 can communicate with the terminal device by using an uplink unlicensed transmission mechanism or a traditional request-authorization mechanism according to the capability information reported by each terminal device.
  • the network device 102 may notify the terminal device of the necessary information for the uplink unlicensed transmission.
  • the network device 102 may instruct the terminal device to perform uplink unlicensed transmission, and send the search space information, the CAR information, and the CTU information to the terminal device.
  • the mapping rules may be predefined or configured by the network device.
  • the terminal device may select one code and one pilot in the pilot group corresponding to the code for uplink transmission, but the embodiment of the present invention does not limit this. It should be understood that the embodiments of the present invention may be applied to other communication systems other than FIG. 1, which is not limited by the embodiment of the present invention.
  • FIG. 2 exemplarily shows four CARs 202-208, wherein the system available bandwidth is divided into a plurality of different time frequency regions, each CAR occupies a different resource block, wherein, optionally, each CAR occupancy
  • the number of resource blocks may be predefined.
  • the CAR 202 occupies a resource block (Resource Block, abbreviated as "RB") 1-4.
  • RB Resource Block
  • each CAR may be further divided into at least one CTU, where each CTU is a combination of a specific time, frequency, signature, and pilot.
  • Each CAR in FIG. 2 corresponds to the same CTU mapping relationship, where It is to be noted that the mapping relationship of four CARs is respectively shown from different angles, but the embodiment of the present invention is not limited thereto.
  • each CAR supports six signatures (S1-S6), and each signature can correspond to six pilots, thus constituting 36 pilots (P1-P36), corresponding to 36 CTUs, but The embodiment of the invention is not limited thereto.
  • FIG. 2 exemplarily shows four CARs and each CAR includes 36 CTUs, but embodiments of the present invention may also include other numbers of CARs and each CAR may include other numbers.
  • the CTU of the quantity is not limited in this embodiment of the present invention.
  • the unlicensed transmission resource of the embodiment of the present invention is the transmission resource of the unlicensed transmission described above.
  • FIG. 3 illustrates a method 300 for uplink data transmission in accordance with an embodiment of the present invention.
  • the method 300 is performed by a terminal device, and the method 300 includes:
  • the terminal device sends, to the network device, information for requesting an unlicensed transmission resource.
  • the terminal device receives the resource indication information that is sent by the network device, where the resource indication information is used to indicate that the network device allocates an unlicensed transmission resource for the terminal device according to the information for requesting the unlicensed transmission resource.
  • the terminal device sends information for requesting the unlicensed transmission resource to the network device, and receives the resource indication information sent by the network device, and the network device allocates the resource for the terminal device.
  • the terminal device can perform uplink data transmission, thereby implementing contention-based uplink data transmission, and improving the efficiency of the system for transmitting data.
  • the terminal device may request the unlicensed transmission resource in an explicit manner, for example, by transmitting the resource request information, obtaining the permission to use the uplink unlicensed transmission resource from the network device.
  • the terminal device may send the resource request information by transmitting Radio Resource Control (Radio Resource Control, referred to as “RRC”) signaling in the third step of the random access procedure (message Mesg3 sent in the third step).
  • RRC Radio Resource Control
  • the resource request information may also be sent by sending a medium access control (Media Access Control, abbreviated as "MAC”) signaling in a third step of the random access procedure.
  • MAC Medium access control
  • the terminal device may also request the unlicensed transmission resource by sending a separate message, and may also request the unlicensed transmission resource by implicitly in the first step of the random access. For example, requesting an exemption by using a specific random access preamble sequence, or transmitting a random access preamble sequence with a specific random access channel, or a combination of the above specific random access preamble sequence and a specific random access channel
  • the specific form of the information for sending the unlicensed resource is not limited in the embodiment of the present invention.
  • the network device allocates an unlicensed transmission resource to the terminal device, and sends the resource indication information to the terminal device.
  • the terminal device can perform uplink data transmission on the unlicensed transmission resource.
  • the resource indication information includes And a combination of one or more of information indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the network device may determine the frequency domain range and the time domain range as the unlicensed transmission resource for the terminal device; or determine the frequency domain range for the terminal device to use, and the terminal device may perform at any time in the frequency domain range. Unauthorized transmission; it is also possible to determine the time domain range for use by the terminal device, which can perform unlicensed transmission on any frequency band in the time domain range.
  • the network device may also allocate a code domain resource or pilot to the terminal device.
  • the resource indication information may include a combination of one or more of the above resources. It should be understood that the network device may allocate one or more unlicensed transmission resources for the terminal device, which is not limited in this embodiment of the present invention.
  • the sub-bands in the OFDM may also be sub-bands in other systems, which are not limited in this embodiment of the present invention.
  • the spectrum may be divided into multiple sub-bands, and one sub-band has a set of sub-band parameters (the parameter English may be numerology).
  • the numerology of different subbands may be the same or different.
  • the parameters of the subband may include at least one of a subcarrier spacing, a Transmission Time Interval (TTI) length, a symbol length, a symbol number, and a Cyclic Prefix (CP) length.
  • TTI Transmission Time Interval
  • CP Cyclic Prefix
  • the parameters of the subbands can be pre-configured or flexibly adapted according to the traffic load. Different types of services can use different sub-bands. For example, traditional voice/video, Internet of Things (IOT), real-time car networking, and multimedia broadcast multicast service (MBMS) are distributed in different sub-bands.
  • IOT Internet of Things
  • MBMS multimedia broadcast multicast service
  • the S310 terminal device sends the information for requesting the unlicensed transmission resource to the network device
  • the method includes: the terminal device sends the resource request information to the network device in the third step of the random access, where Request an unlicensed transfer of resources.
  • the terminal device carries the resource request information in the message 3 (Msg3) sent to the network device in the third step of the random access, for requesting the unlicensed transmission resource.
  • Msg3 message 3
  • the embodiment of the present invention does not change the basic steps of the existing random access procedure, and increases the information about the unlicensed transmission resource when the message is sent in the step of the random access procedure, and thus has a good relationship with the existing random access procedure. Compatibility.
  • the resource request information is used for the terminal device to request the unlicensed transmission resource from the network device.
  • the resource request information may further include transmission characteristic information, where the transmission characteristic information is used to indicate the terminal device.
  • the transmission characteristics of the unlicensed transmission resource may include at least one of delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristic information.
  • the system can set different types of unlicensed transmission resources, such as normal unlicensed transmission resources and low latency unlicensed transmission resources.
  • the network device When the terminal device requires very low latency service data transmission, the network device is notified of the requirement by transmitting the characteristic information, thereby obtaining a low-latency unlicensed transmission resource; otherwise, the terminal device requires an ordinary unlicensed transmission resource, or The transmission characteristics of the unlicensed transmission resource are not required, and the network device allocates a normal unlicensed transmission resource for it.
  • the terminal device in the embodiment of the present invention sends the transmission characteristic information to inform the network device of the characteristics of the Grant Free service transmission, such as Grant Free transmission with low delay/short TTI, Grant Free transmission with low power/long TTI, and the like.
  • the network device schedules an appropriate unlicensed transmission resource for use by the terminal device.
  • the transmission characteristic information in the embodiment of the present invention is not limited to the delay characteristic information and the power consumption.
  • the information and the transmission time interval TTI characteristic information and the like may also include other types of information about the transmission characteristics, which is not limited by the embodiment of the present invention.
  • the terminal device can obtain the unlicensed transmission resource from the network device through the third step of the random access procedure.
  • the specific process of random access is shown in Figure 4, including:
  • the second step after the RACH detects the random access preamble sequence, the network device sends a random access response to the terminal device, and informs the terminal device of the detected random access preamble sequence and the RACH information thereof, and notifies the terminal.
  • the device adjusts the UL timing offset and schedules the UL resource for transmitting the Msg3 in the third step for the terminal device.
  • the terminal device transmits resource request information for requesting an unlicensed transmission resource to the network device only in the Msg3, and does not send an RRC connection request (RRCConnectionRequest) for requesting the authorized transmission resource (non-contention uplink transmission resource). ).
  • the information about the identifier of the terminal device may be carried in the signaling carrying the resource request information, and the identifier of the terminal device may be carried by using another signaling. Limited.
  • the terminal device sends, in the Msg3, resource request information for requesting the network device for the unlicensed transmission resource to the network device, and also sends an RRCConnectionRequest to the network device to request the authorized transmission resource.
  • the fourth step after receiving the signaling carrying the resource request information, the network device sends the Msg4 confirmation information to the corresponding terminal device according to the detected terminal device identifier, so as to solve the multi-terminal device simultaneous connection. Incoming competition conflict; and sending resource indication information indicating the unlicensed transmission resource to the terminal device, so that the terminal device can perform uplink unlicensed transmission.
  • the network device transmits only resource indication information indicating the unlicensed transmission resource to the terminal device in Msg4, and does not send configuration information of the authorized transmission resource, such as an RRC connection. Configuration (RRCConnectionSetup).
  • the terminal device can directly send the service data to the network device through the uplink unlicensed transmission without establishing an RRC connection.
  • the network device sends, in Msg4, resource indication information for indicating an unlicensed transmission resource to the terminal device, and also sends an RRCConnectionSetup to the terminal device, so that the terminal device Data can be transmitted using both unlicensed transmission resources and authorized transmission resources.
  • the terminal device may use the unlicensed transmission resource to transmit the packet data, and use the authorized transmission resource to transmit the packet data, which is not limited by the embodiment of the present invention.
  • This implementation manner can be well compatible with the scheme for requesting authorized transmission resources in the existing LTE system.
  • the S310 terminal device sends, to the network device, information for requesting the unlicensed transmission resource, where the terminal device sends the RRC signaling by using the radio resource, and sends the request for the request to the network device.
  • the resource request information of the authorized transmission resource is not limited to the Wi-Fi Protected Access (WPA)
  • the terminal device sends the RRC signaling by using the radio resource, and sends the request for the request to the network device.
  • the terminal device may add a definition of the unlicensed transmission resource request in the RRC signaling RRCConnectionRequest sent to the network device.
  • the specific form is as follows.
  • the added definition is contentionAccess, indicating that the terminal device requests the unlicensed transmission resource
  • the contentionAccess-fast indicates that the requested unlicensed transmission resource is the short TTI. source. It should be understood that the above is only an example, and other fields or definitions may be added to indicate that the terminal device requests the unlicensed transmission resource.
  • the specific implementation manner is not limited in the present invention.
  • the terminal device can also send a new RRC signaling to the network device to carry for the request.
  • the resource request information of the authorized transmission resource is obtained without being carried in the RRCConnectionRequest.
  • the specific form is as follows. among them,
  • the contentionAccess, contentionAccess-fast, contentionAccess-reliable, spare ⁇ is used to define the terminal device requesting the unlicensed transmission resource, and the requested unlicensed transmission resource is a short TTI resource. It should be understood that the above is only an example, and other fields or definitions may be added to indicate that the terminal device requests the unlicensed transmission resource. The specific implementation manner is not limited in the present invention.
  • the S310 terminal device sends, to the network device, information for requesting the unlicensed transmission resource, where the terminal device sends the MAC address to the network device for requesting the request by using the medium access control MAC signaling.
  • the resource request information of the authorized transmission resource is not limited to the network device.
  • the MAC control element of the contention access is defined by a sub-header of a Protocol Data Unit ("PDU") having a logical channel identifier ("LCID") as shown in Table 1. Shown.
  • PDU Protocol Data Unit
  • LCID logical channel identifier
  • the contention access field has a fixed size and can be defined as the Contention Access field of Table 1 below. This field includes the contention access request of the terminal device, and the length may be 8 bits.
  • the specific random access configuration of the standby device and the terminal device may be implemented by a standard specification, or may be implemented by sending a message (for example, the network device sends a random access configuration message to the terminal device), and the specific implementation method is not used in the embodiment of the present invention. limited.
  • the S310 terminal device sends, to the network device, information for requesting the unlicensed transmission resource, where the terminal device requests the network device for the unlicensed transmission resource by sending the first random access preamble sequence.
  • the first random access preamble sequence belongs to the first random access preamble sequence group, and the first random access preamble sequence group is used to request an unlicensed transmission resource group, where the first random access preamble sequence group includes at least one Random access to the preamble sequence.
  • the method 300 before the terminal device sends the first random access preamble sequence to request the unlicensed transmission resource to the network device, the method 300 further includes: the terminal device is randomly connected from multiple Selecting the first random access preamble sequence of the first random access preamble sequence group into the preamble sequence group, where the multiple random access preamble sequence groups include at least the first random access preamble sequence group and the second random access sequence The preamble sequence group is used, and the second random access preamble sequence group is used to request authorization for transmission resources.
  • the network device determines that the first random access preamble sequence belongs to the first random access preamble sequence group, it may be determined that the terminal device is in the process of performing an unlicensed transmission resource, and the network device allocates the unlicensed transmission resource to the terminal device.
  • the network device determines that the first random access preamble sequence does not belong to the first random access preamble sequence group, for example, belongs to the second random access preamble sequence group (corresponding to the request for granting the transmission resource)
  • it may be determined that the terminal device is performing A request for granting a transmission resource, the network device assigning an authorized transmission resource to the terminal device.
  • the first random access preamble sequence group includes M first random access preamble sequence subgroups, and the M first random access preamble sequence subgroups are divided according to transmission characteristics.
  • the transmission characteristic may include one or more of a delay characteristic, a power consumption characteristic, and a transmission time interval TTI length characteristic, and may also include other characteristics or parameters for indicating the performance of the unlicensed transmission resource. This embodiment of the present invention does not limit this.
  • the S310 terminal device sends, to the network device, information for requesting the unlicensed transmission resource, where the terminal device sends the random access preamble sequence to the network device by sending the random access preamble sequence on the first random access channel.
  • Requesting an unlicensed transmission resource where the first random access channel belongs to a first random access channel group, the first random access channel group is configured to request an unlicensed transmission resource, and the first random access channel group includes at least A random access channel.
  • the method 300 further includes: the terminal device from multiple random access channel groups Selecting the first random access channel of the first random access channel group, the multiple random access channel groups including at least the first random access channel group and the second random access channel group, the second random The access channel group is used to request authorization of transmission resources.
  • the random access channel used by the terminal device to send the random access preamble sequence is selected from a plurality of random access channel groups.
  • the system groups the random access channels, for example, into a first random access channel group and a second random access channel group, where the first random access channel group is used to request an unlicensed transmission resource, and the second random access channel group Used to request authorization to transfer resources.
  • the terminal device selects the first random access channel of the first random access channel group from the plurality of random access channel groups, and sends a random access preamble sequence on the channel.
  • the system may divide the random access channel into more random access channel groups, and is not limited to the two groups in the above examples.
  • the S310 terminal device sends, to the network device, information for requesting the unlicensed transmission resource, where the terminal device sends the first random access preamble sequence on the first random access channel to the The network device requests an unlicensed transmission resource, where the combination of the first random access channel and the first random access preamble sequence belongs to a first combination set, and the first combination set is used to request an unlicensed transmission resource, the first combination The set includes a combination of at least one random access channel and a random access preamble sequence.
  • the method 300 before the terminal device sends the first random access preamble sequence on the first random access channel, the method 300 further includes: the terminal device selecting the first combination set from the multiple combination sets.
  • the first combined set includes K combined subsets, and the K combined subsets are divided according to transmission characteristics.
  • the terminal device may acquire an unlicensed transmission resource from the network device by sending a random access preamble sequence.
  • the specific process is shown in Figure 5, including:
  • the method of the embodiment of the present invention has a corresponding change in terms of RRC signaling and MAC layer with respect to the existing transmission random access preamble sequence.
  • the specific random access configuration is described as an example of the random access preamble sequence group to which the random access preamble sequence belongs, corresponding to the unlicensed transmission resource request.
  • the random access preamble sequence group corresponding to the existing 64 random access preamble sequences has only two groups A and B.
  • the method in the embodiment of the present invention can respectively define 64 random access preamble sequences to More in the group.
  • RRC signaling RACH-ConfigCommon is used to specify a general random access parameter, which is specifically defined as follows. Where sizeOfRA-PreamblesGroupC ENUMERATED ⁇ n1, n2, n4, n8 ⁇ is used to define a new random access preamble sequence group.
  • the MAC layer process definition includes two parts: initialization of random access procedure and selection of random access resources.
  • the random access preamble sequence is selected by the UE as follows:
  • the UE shall:
  • ra-PreambleIndex Random Access Preamble
  • ra-PRACH-MaskIndex PRACH Mask Index
  • Random Access Preamble and the PRACH Mask Index are those explicitly signalled.
  • Random Access Preamble shall be selected by the UE as follows:
  • the UE shall:
  • Random Access Preambles group B -if Random Access Preambles group B exists and if the potential message size (data available for transmission plus MAC header and, where required, MAC control elements) is greater than messageSizeGroupA and if the pathloss is less than PCMAX,c(of the Serving Cell Performing the Random Access Procedure) – preambleInitialReceivedTargetPower–del-taPreambleMsg3–messagePowerOffsetGroupB, then:
  • the process of random access is also defined as two steps.
  • the first step is: the terminal device sends a random access preamble sequence to the network device, and uses the random access preamble sequence group to which the random sequence preamble belongs to distinguish whether the requested unlicensed transmission resource is;
  • the second step is: the network device to the terminal The device sends a random access response. Specifically, it can be:
  • the preamble group C is used.
  • the terminal device requests the network device for the unlicensed transmission resource, receives the resource indication information sent by the network device, and performs the unlicensed transmission resource allocated by the network device for the terminal device.
  • Uplink data transmission can realize contention-based uplink data transmission and improve the efficiency of system transmission of data.
  • the terminal device in the embodiment of the present invention sends the transmission characteristic information to inform the network device of the characteristics of the uplink unlicensed service transmission, such as UL Grant Free transmission with low delay/short TTI, UL Grant Free for low power/long TTI. Transmission, etc. After receiving the information, the network device schedules an appropriate unlicensed transmission resource for use by the terminal device.
  • the unlicensed transmission resource indicated in the resource indication information in the embodiment of the present invention may be an unlicensed transmission resource corresponding to the resource request information requested by the terminal device, or the network device may be the terminal according to the current network or resource status.
  • the device determines the unlicensed transmission resource, which may not completely correspond to the resource request information sent by the terminal device, which is not limited in this embodiment of the present invention.
  • FIG. 6 a description will be made from the perspective of a network device according to an embodiment of the present invention. The method of uplink data transmission.
  • a method 600 for uplink data transmission in accordance with an embodiment of the present invention can be performed, for example, by a network device in a communication system.
  • the method 600 includes:
  • the network device receives, by the terminal device, information for requesting an unlicensed transmission resource.
  • the network device sends the resource indication information to the terminal device, where the resource indication information is used to indicate, by the network device, the unlicensed transmission resource allocated to the terminal device according to the information used to request the unlicensed transmission resource.
  • the method for uplink data transmission in the embodiment of the present invention the network device receiving terminal design
  • the S610 network device receives, by the terminal device, information for requesting an unlicensed transmission resource, including:
  • the first random access preamble sequence group includes at least one random access preamble sequence.
  • the first random access preamble sequence is a random access preamble sequence of the first random access preamble sequence group selected by the terminal device from multiple random access preamble sequence groups.
  • the plurality of random access preamble sequence groups at least includes the first random access preamble sequence group and the second random access preamble sequence group, where the second random access preamble sequence group is used to request an authorized transmission resource.
  • the first random access preamble sequence group includes M first random access preamble sequence subgroups, and the M first random access preamble sequence subgroups are according to transmission characteristics. Divided.
  • the S610 network device receives, by the terminal device, information for requesting an unlicensed transmission resource, including:
  • the first random access channel is a random access channel of the first random access channel group selected by the terminal device from multiple random access channel groups, and the multiple The random access channel group includes at least the first random access channel group and the second random access channel group, and the second random access channel group is configured to request authorized transmission resources.
  • the first random access channel group includes N random access channel sub-groups, and the N random access channel sub-groups are divided according to transmission characteristics.
  • the S610 network device receives, by the terminal device, information for requesting an unlicensed transmission resource, including:
  • the first combined set is for requesting an unlicensed transmission resource, the first combined set comprising a combination of at least one random access channel and a random access preamble sequence.
  • the combination of the first random access channel and the first random access preamble sequence is a random access channel of the first combination set selected by the terminal device from multiple combinations of sets a combination of random access preamble sequences, the plurality of combination sets including at least the first combination set and the second combination set, the second combination set being used to request an authorized transmission resource.
  • the transmission characteristic includes one or more of a delay characteristic, a power consumption characteristic, and a transmission time interval TTI length characteristic.
  • the S610 network device receives, by the terminal device, information for requesting an unlicensed transmission resource, including:
  • the resource request information includes transmission characteristic information, where the transmission characteristic information is used to indicate a transmission characteristic of the unlicensed transmission resource of the terminal device.
  • the transmission characteristic information includes at least one of delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristic information.
  • the network device allocates different unlicensed transmission resources to different terminal devices according to the terminal device identifier.
  • the resource indication information includes one of information for indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information. A variety of combinations.
  • the frequency domain location may include a location of a subband occupied by the unlicensed transmission resource in the frequency domain.
  • the network device receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device is in the unauthorized license.
  • the uplink data transmission is performed on the transmission resource, thereby implementing contention-based uplink data transmission, and improving the efficiency of the system for transmitting data.
  • FIG. 7 shows a terminal device 700 in accordance with an embodiment of the present invention. As shown in FIG. 7, the terminal device 700 includes:
  • the receiving module 720 is configured to receive the resource indication information sent by the network device, where the resource indication information is used to indicate that the network device allocates the information for requesting the unlicensed transmission resource according to the sending module 710, and allocates the information to the terminal device 700.
  • Unlicensed transmission resources
  • the terminal device in the embodiment of the present invention sends information for requesting the unlicensed transmission resource to the network device, and receives the resource indication information sent by the network device, where the network device allocates the unlicensed transmission resource for the terminal device, and the terminal device Uplink data transmission can be performed to achieve contention-based uplink data transmission and improve the efficiency of system transmission of data.
  • the sending module 710 is specifically configured to: request, by sending the first random access preamble sequence, the unlicensed transmission resource to the network device, where the first random access preamble sequence belongs to the first
  • the first random access preamble sequence group is configured to request an unlicensed transmission resource, and the first random access preamble sequence group includes at least one random access preamble sequence.
  • the terminal device 700 further includes: a selecting module, configured to The sending module 710 selects the first random of the first random access preamble sequence group from the plurality of random access preamble sequence groups by sending the first random access preamble sequence and requesting the network device for the unlicensed transmission resource Accessing a preamble sequence, the plurality of random access preamble sequence groups at least including the first random access preamble sequence group and the second random access preamble sequence group, where the second random access preamble sequence group is used to request an authorized transmission resource .
  • a selecting module configured to The sending module 710 selects the first random of the first random access preamble sequence group from the plurality of random access preamble sequence groups by sending the first random access preamble sequence and requesting the network device for the unlicensed transmission resource Accessing a preamble sequence, the plurality of random access preamble sequence groups at least including the first random access preamble sequence group and the second random access preamble sequence group, where the second random access preamble sequence group is used to request an authorized
  • the first random access preamble sequence group includes M first random access preamble sequence subgroups, and the M first random access preamble sequence subgroups are divided according to transmission characteristics. .
  • the sending module 710 is specifically configured to: request, by using a random access preamble sequence on the first random access channel, an unlicensed transmission resource to the network device, where the first random connection
  • the inbound channel belongs to a first random access channel group, the first random access channel group is configured to request an unlicensed transmission resource, and the first random access channel group includes at least one random access channel.
  • the terminal device 700 further includes: a selecting module, configured, by the sending module 710, by using multiple random access channels before sending the random access preamble sequence on the first random access channel. Selecting the first random access channel of the first random access channel group, the plurality of random access channel groups including at least the first random access channel group and the second random access channel group, the second The random access channel group is used to request authorized transmission resources.
  • a selecting module configured, by the sending module 710, by using multiple random access channels before sending the random access preamble sequence on the first random access channel. Selecting the first random access channel of the first random access channel group, the plurality of random access channel groups including at least the first random access channel group and the second random access channel group, the second The random access channel group is used to request authorized transmission resources.
  • the first random access channel group includes N random access channel subgroups, and the N random access channel subgroups are classified according to transmission characteristics.
  • the terminal device 700 further includes: a selecting module, configured, by the sending module 710, by using multiple combinations before sending the first random access preamble sequence on the first random access channel. Selecting a combination of the first random access channel and the first random access preamble sequence of the first combination set, the multiple combination set including at least the first combination set and the second combination set, the second combination set being used for Request authorization to transfer resources.
  • a selecting module configured, by the sending module 710, by using multiple combinations before sending the first random access preamble sequence on the first random access channel. Selecting a combination of the first random access channel and the first random access preamble sequence of the first combination set, the multiple combination set including at least the first combination set and the second combination set, the second combination set being used for Request authorization to transfer resources.
  • the transmission characteristic includes one or more of a delay characteristic, a power consumption characteristic, and a transmission time interval TTI length characteristic.
  • the sending module 710 is specifically configured to: by using radio resource control RRC signaling, send resource request information for requesting an unlicensed transmission resource to the network device.
  • the resource request information includes transmission characteristic information, where the transmission characteristic information is used to indicate a transmission characteristic of the unlicensed transmission resource of the terminal device.
  • the resource request information includes a terminal device identifier.
  • the resource indication information received by the receiving module includes information for indicating a time domain location of an unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information. A combination of one or more.
  • the resource indication information received by the receiving module includes an index of an unlicensed transmission resource, an index of a time domain location of the unlicensed transmission resource, an index of a frequency domain location of the unlicensed transmission resource, and an unauthorized license.
  • an index of an unlicensed transmission resource includes an index of an unlicensed transmission resource, an index of a time domain location of the unlicensed transmission resource, an index of a frequency domain location of the unlicensed transmission resource, and an unauthorized license.
  • the terminal device in the embodiment of the present invention sends information for requesting the unlicensed transmission resource to the network device, and receives the resource indication information sent by the network device, where the network device allocates the unlicensed transmission resource for the terminal device, and the terminal device Uplink data transmission can be performed to achieve contention-based uplink data transmission and improve the efficiency of system transmission of data.
  • FIG. 8 shows a network device 800 in accordance with an embodiment of the present invention. As shown in FIG. 8, the network device 800 includes:
  • the receiving module 810 is configured to receive a message sent by the terminal device for requesting an unlicensed transmission resource. interest;
  • the sending module 820 is configured to send the resource indication information to the terminal device, where the resource indication information is used to indicate that the network device allocates the information for requesting the unlicensed transmission resource according to the information received by the receiving module 810. Authorize transmission resources.
  • the network device in the embodiment of the present invention receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the network device receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the network device in the embodiment of the present invention receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the receiving module 810 is specifically configured to: receive a first random access preamble sequence sent by the terminal device, where the first random access preamble sequence belongs to the first random access preamble sequence group.
  • the first random access preamble sequence group is configured to request an unlicensed transmission resource, and the first random access preamble sequence group includes at least one random access preamble sequence.
  • the first random access preamble sequence group includes M first random access preamble sequence subgroups, and the M first random access preamble sequence subgroups are divided according to transmission characteristics. .
  • the receiving module 810 is specifically configured to: receive a random access preamble sequence sent by the terminal device on the first random access channel, where the first random access channel belongs to the first random An access channel group, the first random access channel group is configured to request an unlicensed transmission resource, and the first random access channel group includes at least one random access channel.
  • the first random access channel is a random access channel of the first random access channel group selected by the terminal device from multiple random access channel groups, and the multiple random access
  • the inbound channel group includes at least the first random access channel group and the second random access channel group, and the second random access channel group is configured to request authorized transmission resources.
  • the first random access channel group includes N random access channel subgroups, and the N random access channel subgroups are classified according to transmission characteristics.
  • the receiving module 810 is specifically configured to: receive the terminal device. a first random access preamble sequence transmitted on the first random access channel, where the combination of the first random access channel and the first random access preamble sequence belongs to a first combination set, where the first combination set is used An unlicensed transmission resource is requested, the first combined set comprising a combination of at least one random access channel and a random access preamble sequence.
  • the combination of the first random access channel and the first random access preamble sequence is a random access channel and a random connection of the first combination set selected by the terminal device from the multiple combination sets.
  • a combination of the preamble sequences, the plurality of combination sets including at least the first combination set and the second combination set, the second combination set being used to request an authorized transmission resource.
  • the first combination set includes K combined subsets, and the K combined subsets are divided according to transmission characteristics.
  • the transmission characteristic includes one or more of a delay characteristic, a power consumption characteristic, and a transmission time interval TTI length characteristic.
  • the receiving module 810 is specifically configured to: receive, by the terminal device, resource request information for requesting an unlicensed transmission resource, by using the medium access control MAC signaling, to the network device.
  • the transmission characteristic information includes at least one of delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristic information.
  • the resource indication information sent by the sending module 820 includes information for indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • information for indicating a time domain location of the unlicensed transmission resource includes information for indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • pilot information includes information for indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the frequency domain location may include a location of a subband occupied by the unlicensed transmission resource in the frequency domain.
  • network device 800 may correspond to an execution subject in an embodiment of the method of the present invention, and the above and other operations and/or functions of the respective modules in the network device 800 are respectively implemented in order to implement FIGS. 3 to 6
  • the corresponding processes of each method in the following are not repeated here for brevity.
  • the network device in the embodiment of the present invention receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the network device receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the network device in the embodiment of the present invention receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • an embodiment of the present invention further provides a terminal device 900, which includes a processor 920, a memory 930, a transmitter 940, and a receiver 950.
  • the terminal device 900 may further include a bus 910.
  • the 920, the memory 930, the transmitter 940, and the receiver 950 are connected by a bus 910.
  • the transmitter 940, through the bus 910 invokes a program stored in the memory 930 for transmitting information for requesting an unlicensed transmission resource to the network device; the receiver 950 calls the memory 930 through the bus 910.
  • a program stored in the network for receiving the resource indication information sent by the network device, where the resource indication information is used to indicate that the network device sends the information for requesting the unlicensed transmission resource according to the sender 940, where the terminal device is 900.
  • the terminal device in the embodiment of the present invention sends information for requesting the unlicensed transmission resource to the network device, and receives the resource indication information sent by the network device, where the network device allocates the unlicensed transmission resource for the terminal device, and the terminal device Uplink data transmission can be performed to achieve contention-based uplink data transmission and improve the efficiency of system transmission of data.
  • the processor 920 may be a central processing unit (CPU), and the processor 920 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware Components, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 930 can include read only memory and random access memory and provides instructions and data to the processor 920. A portion of the memory 930 may also include a non-volatile random access memory. For example, the memory 930 can also store information of the device type.
  • the transmitter 940 is specifically configured to: request, by sending the first random access preamble sequence, an unlicensed transmission resource to the network device, where the first random access preamble sequence belongs to the first
  • the first random access preamble sequence group is configured to request an unlicensed transmission resource, and the first random access preamble sequence group includes at least one random access preamble sequence.
  • the processor 910 is further configured to: before the sending module sends the first random access preamble sequence to request the unlicensed transmission resource from the network device, from the multiple random access preamble sequences. Selecting, in the group, the first random access preamble sequence of the first random access preamble sequence group, where the multiple random access preamble sequence groups include at least the first random access preamble sequence group and the second random access preamble sequence The second random access preamble sequence group is configured to request an authorized transmission resource.
  • the first random access preamble sequence group includes M first random access preamble sequence subgroups, and the M first random access preamble sequence subgroups are divided according to transmission characteristics. .
  • the transmitter 940 is specifically configured to: request, by using a random access preamble sequence on the first random access channel, an unlicensed transmission resource to the network device, where the first random connection
  • the inbound channel belongs to the first random access channel group, and the first random access channel group is used
  • An unlicensed transmission resource is requested, the first random access channel group including at least one random access channel.
  • the processor 910 is further configured to: select, after the sending module sends the random access preamble sequence on the first random access channel, the plurality of random access channel groups. a first random access channel of a random access channel group, the plurality of random access channel groups including at least the first random access channel group and the second random access channel group, the second random access channel group Used to request authorization to transfer resources.
  • the first random access channel group includes N random access channel subgroups, and the N random access channel subgroups are classified according to transmission characteristics.
  • the generator 940 is specifically configured to: request, by using the first random access preamble sequence on the first random access channel, an unlicensed transmission resource to the network device, where the first The combination of the random access channel and the first random access preamble sequence belongs to a first combination set, the first combination set is configured to request an unlicensed transmission resource, and the first combination set includes at least one random access channel and a random access preamble A combination of sequences.
  • the processor 910 is further configured to: select, by the sending module, the first combination from the multiple combinations before sending the first random access preamble sequence on the first random access channel. a combination of the first random access channel and the first random access preamble sequence, the plurality of combination sets including at least the first combination set and the second combination set, the second combination set being used to request an authorized transmission resource.
  • the first combination set includes K combined subsets, and the K combined subsets are divided according to transmission characteristics.
  • the transmission characteristic includes one or more of a delay characteristic, a power consumption characteristic, and a transmission time interval TTI length characteristic.
  • the transmitter 940 is specifically configured to: by using radio resource control RRC signaling, send resource request information for requesting an unlicensed transmission resource to the network device.
  • the transmitter 940 is specifically configured to: by using the medium access control MAC signaling, send, to the network device, resource request information for requesting an unlicensed transmission resource.
  • the resource request information includes transmission characteristic information, where the transmission characteristic information is used to indicate a transmission characteristic of the unlicensed transmission resource of the terminal device.
  • the transmission characteristic information includes at least one of delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristic information.
  • the resource request information includes a terminal device identifier.
  • the resource indication information received by the receiver 950 includes information for indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • information for indicating a time domain location of the unlicensed transmission resource includes information for indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • pilot information includes information for indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the resource indication information received by the receiver 950 includes an index of an unlicensed transmission resource, an index of a time domain location of the unlicensed transmission resource, an index of a frequency domain location of the unlicensed transmission resource, and an exemption.
  • an index of an unlicensed transmission resource includes an index of an unlicensed transmission resource, an index of a time domain location of the unlicensed transmission resource, an index of a frequency domain location of the unlicensed transmission resource, and an exemption.
  • the frequency domain location may include a location of a subband occupied by the unlicensed transmission resource in the frequency domain.
  • the terminal device 900 may correspond to the main body of the method in the embodiment of the present invention, and may also correspond to the terminal device 700 according to the embodiment of the present invention, and the foregoing modules of the terminal device 900 And other operations and/or functions are for implementing the corresponding processes of the methods of FIG. 3 to FIG. 6 , and for brevity, no further details are provided herein.
  • the terminal device in the embodiment of the present invention sends information for requesting the unlicensed transmission resource to the network device, and receives the resource indication information sent by the network device, where the network device allocates the unlicensed transmission resource for the terminal device, and the terminal device Uplink data transmission can be performed to achieve contention-based uplink data transmission and improve the efficiency of system transmission of data.
  • an embodiment of the present invention further provides a network device 1000, where the network device 1000 includes a transmitter 1040 and a receiver 1050, and optionally may further include a bus 1010, a processor 1020, and a memory 1030. 1020, memory 1030, transmitter 1040, and receiver 1050 are coupled by bus 1010. The receiver 1050, through the bus 1010, invokes a program stored in the memory 1030 for receiving information sent by the terminal device for requesting an unlicensed transmission resource; the transmitter 1040 is called by the bus 1010.
  • the program stored in the memory 1030 is configured to send, to the terminal device, resource indication information, where the resource indication information is used to indicate, by the network device 1000, the information for requesting the unlicensed transmission resource received by the receiver 1050, An unlicensed transmission resource allocated by the terminal device.
  • the network device in the embodiment of the present invention receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the network device receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the network device in the embodiment of the present invention receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the processor 1020 may be a central processing unit (Central)
  • the processing unit (CPU) the processor 1020 can also be other general-purpose processors, a digital signal processor (DSP), an application specific integrated circuit (ASIC), and an off-the-shelf programmable gate array (Field- Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the bus 1010 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus 1010 in the figure.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1020 or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1030, and the processor 1020 reads the information in the memory 1030 and combines the hardware to perform the steps of the above method. To avoid repetition, it will not be described in detail here.
  • the receiver 1050 is specifically configured to: receive a first random access preamble sequence sent by the terminal device, where the first random access preamble sequence belongs to the first random access preamble sequence group.
  • the first random access preamble sequence group is configured to request an unlicensed transmission resource, and the first random access preamble sequence group includes at least one random access preamble sequence.
  • the first random access preamble sequence is a random access preamble sequence of the first random access preamble sequence group selected by the terminal device from multiple random access preamble sequence groups, where The plurality of random access preamble sequence groups at least includes the first random access preamble sequence group and the second random access preamble sequence group, and the second random access preamble sequence group is configured to request an authorized transmission resource.
  • the first random access preamble sequence group includes M first random access preamble sequence subgroups, and the M first random access preamble sequence subgroups are divided according to transmission characteristics. .
  • the receiver 1050 is specifically configured to: receive a random access preamble sequence sent by the terminal device on the first random access channel, where the first random access channel belongs to the first random An access channel group, the first random access channel group is configured to request an unlicensed transmission resource, and the first random access channel group includes at least one random access channel.
  • the first random access channel is a random access channel of the first random access channel group selected by the terminal device from multiple random access channel groups, and the multiple random access
  • the inbound channel group includes at least the first random access channel group and the second random access channel group, and the second random access channel group is configured to request authorized transmission resources.
  • the first random access channel group includes N random access channel subgroups, and the N random access channel subgroups are classified according to transmission characteristics.
  • the receiver 1050 is specifically configured to: receive a first random access preamble sequence sent by the terminal device on the first random access channel, where the first random access channel and the first A combination of random access preamble sequences belongs to a first combination set for requesting an unlicensed transmission resource, the first combination set comprising a combination of at least one random access channel and a random access preamble sequence.
  • the combination of the first random access channel and the first random access preamble sequence is a random access channel and a random connection of the first combination set selected by the terminal device from the multiple combination sets.
  • a combination of the preamble sequences, the plurality of combination sets including at least the first combination set and the second combination set, the second combination set being used to request an authorized transmission resource.
  • the first combination set includes K combined subsets, and the K combined subsets are divided according to transmission characteristics.
  • the transmission characteristic includes one or more of a delay characteristic, a power consumption characteristic, and a transmission time interval TTI length characteristic.
  • the receiver 1050 is specifically configured to: receive, by the terminal device, the resource request information for requesting the unlicensed transmission resource, sent by the terminal device to the network device by using the radio resource control RRC signaling.
  • the receiver 1050 is specifically configured to: receive, by the terminal device, resource request information for requesting an unlicensed transmission resource, by using the medium access control MAC signaling, to the network device.
  • the resource request information includes transmission characteristic information, where the transmission characteristic information is used to indicate a transmission characteristic of the unlicensed transmission resource of the terminal device.
  • the transmission characteristic information includes at least one of delay characteristic information, power consumption characteristic information, and transmission time interval TTI characteristic information.
  • the resource indication information sent by the transmitter 1040 includes information indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • information indicating a time domain location of the unlicensed transmission resource includes information indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • pilot information includes information indicating a time domain location of the unlicensed transmission resource, information of a frequency domain location, information of a code domain location, and pilot information.
  • the resource indication information sent by the sender 1040 includes an index of an unlicensed transmission resource, an index of a time domain location of the unlicensed transmission resource, an index of a frequency domain location of the unlicensed transmission resource, and an exemption.
  • an index of an unlicensed transmission resource an index of a time domain location of the unlicensed transmission resource, an index of a frequency domain location of the unlicensed transmission resource, and an exemption.
  • the frequency domain location may include a location of a subband occupied by the unlicensed transmission resource in the frequency domain.
  • the network device 1000 may correspond to the main body of the method in the embodiment of the present invention, and may also correspond to the network device 800 according to the embodiment of the present invention, and the foregoing modules of the network device 1000 And other operations and/or functions are for implementing the corresponding processes of the methods of FIG. 3 to FIG. 6 , and for brevity, no further details are provided herein.
  • the network device in the embodiment of the present invention receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the network device receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the network device in the embodiment of the present invention receives the information for requesting the unlicensed transmission resource sent by the terminal device, and allocates the unlicensed transmission resource to the terminal device, so that the terminal device performs uplink data transmission on the unlicensed transmission resource.
  • the sending module or the sender in the above embodiment may refer to transmitting on the air interface, may not be sent on the air interface, but may be sent to other devices to facilitate other devices to send on the air interface.
  • the receiving module or the receiver in the above embodiment may refer to receiving on the air interface, and may not receive on the air interface, but receive from other devices received on the air interface.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention contributes in essence or to the prior art, or the technical side All or part of the case may be embodied in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to execute the present invention. All or part of the steps of the method described in the various embodiments are invented.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本发明公开了一种用于上行数据传输的方法、终端设备和网络设备,该方法包括:终端设备向网络设备发送用于请求免授权传输资源的信息;该终端设备接收该网络设备发送的资源指示信息,该资源指示信息用于指示该网络设备根据该用于请求免授权传输资源的信息,为该终端设备分配的免授权传输资源;该终端设备根据该资源指示信息,确定进行免授权传输的传输资源。本发明实施例的用于上行数据传输的方法、终端设备和网络设备,可以实现基于竞争的上行数据传输,提高系统传输数据的效率。

Description

用于上行数据传输的方法、终端设备和网络设备 技术领域
本发明涉及通信领域,尤其涉及通信领域中的用于上行数据传输的方法、终端设备和网络设备。
背景技术
随着无线蜂窝网络的持续演进,下一代移动通信系统将不仅支持传统的通信,还将支持机器到机器(Machine to Machine,简称为“M2M”)通信,或者叫做机器类通信(Machine Type Communication,简称为“MTC”)通信。根据预测,到2020年,连接在网络上的MTC设备将会达到500到1000亿,这将远超现在的连接数。对M2M类业务,由于其业务种类千差万别,对网络需求存在很大差异。大致来说,会存在如下几种需求:(I)可靠传输,但对时延不敏感;(II)低延迟,高可靠传输。
为了解决未来网络大量的MTC类业务,以及满足低时延、高可靠的业务传输,提出了上行的免授权(Grant Free)传输的一种方案。Grant Free传输可以理解为一种基于竞争的上行业务数据传输,与无线局域网络(Wireless Local Area Network,WLAN)的数据传输、以及长期演进LTE(Long Term Evolution,)系统中现有的随机接入过程有本质的区别。然而,Grant Free传输还没有一种网络设备获得使用Grant Free传输资源的许可的机制。
发明内容
本发明实施例提供一种用于上行数据传输的方法、终端设备和网络设备,可以对基于竞争的免授权传输资源进行许可,从而提高系统传输数据的效率。
第一方面,提供了一种用于上行数据传输的方法,包括:
终端设备向网络设备发送用于请求免授权传输资源的信息;
所述终端设备接收所述网络设备发送的资源指示信息,所述资源指示信息用于指示所述网络设备根据所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源;
所述终端设备根据所述资源指示信息,确定进行免授权传输的传输资源。
结合第一方面,在第一方面的第一种可能的实现方式中,所述终端设备 向网络设备发送用于请求免授权传输资源的信息,包括:
所述终端设备通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
结合第一方面的第一种可能的实现方式,在第一方面的第二种可能的实现方式中,在所述终端设备通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源之前,所述方法还包括:
所述终端设备从多个随机接入前导序列组中选择所述第一随机接入前导序列组的所述第一随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
结合第一方面的第一种或第二种可能的实现方式,在第一方面的第三种可能的实现方式中,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
结合第一方面,在第一方面的第四种可能的实现方式中,所述终端设备向网络设备发送用于请求免授权传输资源的信息,包括:
所述终端设备通过在第一随机接入信道上发送随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
结合第一方面的第四种可能的实现方式,在第一方面的第五种可能的实现方式中,在所述终端设备通过在第一随机接入信道上发送随机接入前导序列之前,所述方法还包括:
所述终端设备从多个随机接入信道组中选择所述第一随机接入信道组的所述第一随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
结合第一方面的第五种或第六种可能的实现方式,在第一方面的第六种可能的实现方式中,所述第一随机接入信道组包括N个随机接入信道子组, 所述N个随机接入信道子组是根据传输特性来划分的。
结合第一方面,在第一方面的第七种可能的实现方式中,所述终端设备向网络设备发送用于请求免授权传输资源的信息,包括:
所述终端设备通过在第一随机接入信道上发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
结合第一方面的第七种可能的实现方式,在第一方面的第八种可能的实现方式中,在所述终端设备通过在第一随机接入信道上发送第一随机接入前导序列之前,所述方法还包括:
所述终端设备从多个组合集合中选择第一组合集合的所述第一随机接入信道和第一随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
结合第一方面的第七种或第八种可能的实现方式,在第一方面的第九种可能的实现方式中,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
结合第一方面的第三种、第六种或第九种可能的实现方式,在第一方面的第十种可能的实现方式中,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
结合第一方面,在第一方面的第十一种可能的实现方式中,所述终端设备向网络设备发送用于请求免授权传输资源的信息,包括:
所述终端设备通过无线资源控制RRC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
结合第一方面,在第一方面的第十二种可能的实现方式中,所述终端设备向网络设备发送用于请求免授权传输资源的信息,包括:
所述终端设备通过介质访问控制MAC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
结合第一方面的第十一种或第十二种可能的实现方式,在第一方面的第十三种可能的实现方式中,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
结合第一方面的第十三种可能的实现方式,在第一方面的第十四种可能的实现方式中,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
结合第一方面的第十一种至第十四种可能的实现方式中的任一种可能的实现方式,在第一方面的第十五种可能的实现方式中,所述资源请求信息包括终端设备标识。
结合第一方面和第一方面的第一种至第十五种可能的实现方式中的任一种可能的实现方式,在第一方面的第十六种可能的实现方式中,所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
结合第一方面和第一方面的第一种至第十六种可能的实现方式中的任一种可能的实现方式,在第一方面的第十七种可能的实现方式中,所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
结合第一方面的第十六种或第十七种可能的实现方式,在第一方面的第十八种可能的实现方式中,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。第二方面,提供了一种用于上行数据传输的方法,包括:
网络设备接收终端设备发送的用于请求免授权传输资源的信息;
所述网络设备向所述终端设备发送资源指示信息,所述资源指示信息用于指示所述网络设备根据所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源。
结合第二方面,在第二方面的第一种可能的实现方式中,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
所述网络设备接收所述终端设备发送的第一随机接入前导序列,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
结合第二方面的第一种可能的实现方式,在第二方面的第二种可能的实现方式中,所述第一随机接入前导序列是所述终端设备从多个随机接入前导序列组中选择的所述第一随机接入前导序列组的随机接入前导序列,所述多 个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
结合第二方面的第一种或第二种可能的实现方式,在第二方面的第三种可能的实现方式中,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
结合第二方面,在第二方面的第四种可能的实现方式中,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
所述网络设备接收所述终端设备在第一随机接入信道上发送的随机接入前导序列,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
结合第二方面的第四种可能的实现方式,在第二方面的第五种可能的实现方式中,所述第一随机接入信道是所述终端设备从多个随机接入信道组中选择的所述第一随机接入信道组的随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
结合第二方面的第四种或第五种可能的实现方式,在第二方面的第六种可能的实现方式中,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
结合第二方面,在第二方面的第七种可能的实现方式中,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
所述网络设备接收所述终端设备在第一随机接入信道上发送的第一随机接入前导序列,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
结合第二方面的第七种可能的实现方式,在第二方面的第八种可能的实现方式中,所述第一随机接入信道和第一随机接入前导序列的组合是所述终端设备从多个组合集合中选择的第一组合集合的随机接入信道和随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
结合第二方面的第七种或第八种可能的实现方式,在第二方面的第九种可能的实现方式中,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
结合第二方面的第三种、第六种或第九种可能的实现方式,在第二方面的第十种可能的实现方式中,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
结合第二方面,在第二方面的第十一种可能的实现方式中,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
所述网络设备接收所述终端设备通过无线资源控制RRC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
结合第二方面,在第二方面的第十二种可能的实现方式中,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
所述网络设备接收所述终端设备通过介质访问控制MAC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
结合第二方面的第十一种或第十二种可能的实现方式,在第二方面的第十三种可能的实现方式中,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
结合第二方面的第十三种可能的实现方式,在第二方面的第十四种可能的实现方式中,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
结合第二方面的第十一种至第十四种可能的实现方式中的任一种可能的实现方式,在第二方面的第十五种可能的实现方式中,所述资源请求信息包括终端设备标识,所述方法还包括:
所述网络设备根据所述终端设备标识,为不同的终端设备分配不同的免授权传输资源。
结合第二方面和第二方面的第一种至第十五种可能的实现方式中的任一种可能的实现方式,在第二方面的第十六种可能的实现方式中,所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
结合第二方面和第二方面的第一种至第十六种可能的实现方式中的任一种可能的实现方式,在第二方面的第十七种可能的实现方式中,所述资源 指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
结合第二方面的第十六种或第十七种可能的实现方式,在第二方面的第十八种可能的实现方式中,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。第三方面,提供了一种终端设备,包括:
发送模块,用于向网络设备发送用于请求免授权传输资源的信息;
接收模块,用于接收所述网络设备发送的资源指示信息,所述资源指示信息用于指示所述网络设备根据所述发送模块发送的所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源;
确定模块,用于根据所述接收模块接收的所述资源指示信息,确定进行免授权传输的传输资源。
结合第三方面,在第三方面的第一种可能的实现方式中,所述发送模块具体用于:
通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
结合第三方面的第一种可能的实现方式,在第三方面的第二种可能的实现方式中,所述终端设备还包括:
选择模块,用于在所述发送模块通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源之前,从多个随机接入前导序列组中选择所述第一随机接入前导序列组的所述第一随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
结合第三方面的第一种或第二种可能的实现方式,在第三方面的第三种可能的实现方式中,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
结合第三方面,在第三方面的第四种可能的实现方式中,所述发送模块具体用于:
通过在第一随机接入信道上发送随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
结合第三方面的第四种可能的实现方式,在第三方面的第五种可能的实现方式中,所述终端设备还包括:
选择模块,用于在所述发送模块通过在第一随机接入信道上发送随机接入前导序列之前,从多个随机接入信道组中选择所述第一随机接入信道组的所述第一随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
结合第三方面的第五种或第六种可能的实现方式,在第三方面的第六种可能的实现方式中,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
结合第三方面,在第三方面的第七种可能的实现方式中,所述发送模块具体用于:
通过在第一随机接入信道上发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
结合第三方面的第七种可能的实现方式,在第三方面的第八种可能的实现方式中,所述终端设备还包括:
选择模块,用于在所述发送模块通过在第一随机接入信道上发送第一随机接入前导序列之前,从多个组合集合中选择第一组合集合的所述第一随机接入信道和第一随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
结合第三方面的第七种或第八种可能的实现方式,在第三方面的第九种可能的实现方式中,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
结合第三方面的第三种、第六种或第九种可能的实现方式,在第三方面的第十种可能的实现方式中,所述传输特性包括时延特性、功耗特性和传输 时间间隔TTI长度特性中的一种或多种。
结合第三方面,在第三方面的第十一种可能的实现方式中,所述发送模块具体用于:
通过无线资源控制RRC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
结合第三方面,在第三方面的第十二种可能的实现方式中,所述发送模块具体用于:
通过介质访问控制MAC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
结合第三方面的第十一种或第十二种可能的实现方式,在第三方面的第十三种可能的实现方式中,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
结合第三方面的第十三种可能的实现方式,在第三方面的第十四种可能的实现方式中,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
结合第三方面的第十一种至第十四种可能的实现方式中的任一种可能的实现方式,在第三方面的第十五种可能的实现方式中,所述资源请求信息包括终端设备标识。
结合第三方面和第三方面的第一种至第十五种可能的实现方式中的任一种可能的实现方式,在第三方面的第十六种可能的实现方式中,所述接收模块接收的所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
结合第三方面和第三方面的第一种至第十六种可能的实现方式中的任一种可能的实现方式,在第三方面的第十七种可能的实现方式中,所述接收模块接收的所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
结合第三方面的第十六种或第十七种可能的实现方式,在第三方面的第十八种可能的实现方式中,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。
第四方面,提供了一种网络设备,包括:
接收模块,用于接收终端设备发送的用于请求免授权传输资源的信息;
发送模块,用于向所述终端设备发送资源指示信息,所述资源指示信息用于指示所述网络设备根据所述接收模块接收的所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源。
结合第四方面,在第四方面的第一种可能的实现方式中,所述接收模块具体用于:
接收所述终端设备发送的第一随机接入前导序列,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
结合第四方面的第一种可能的实现方式,在第四方面的第二种可能的实现方式中,所述第一随机接入前导序列是所述终端设备从多个随机接入前导序列组中选择的所述第一随机接入前导序列组的随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
结合第四方面的第一种或第二种可能的实现方式,在第四方面的第三种可能的实现方式中,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
结合第四方面,在第四方面的第四种可能的实现方式中,所述接收模块具体用于:
接收所述终端设备在第一随机接入信道上发送的随机接入前导序列,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
结合第四方面的第四种可能的实现方式,在第四方面的第五种可能的实现方式中,所述第一随机接入信道是所述终端设备从多个随机接入信道组中选择的所述第一随机接入信道组的随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
结合第四方面的第四种或第五种可能的实现方式,在第四方面的第六种 可能的实现方式中,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
结合第四方面,在第四方面的第七种可能的实现方式中,所述接收模块具体用于:
接收所述终端设备在第一随机接入信道上发送的第一随机接入前导序列,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
结合第四方面的第七种可能的实现方式,在第四方面的第八种可能的实现方式中,所述第一随机接入信道和第一随机接入前导序列的组合是所述终端设备从多个组合集合中选择的第一组合集合的随机接入信道和随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
结合第四方面的第七种或第八种可能的实现方式,在第四方面的第九种可能的实现方式中,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
结合第四方面的第三种、第六种或第九种可能的实现方式,在第四方面的第十种可能的实现方式中,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
结合第四方面,在第四方面的第十一种可能的实现方式中,所述接收模块具体用于:
接收所述终端设备通过无线资源控制RRC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
结合第四方面,在第四方面的第十二种可能的实现方式中,所述接收模块具体用于:
接收所述终端设备通过介质访问控制MAC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
结合第四方面的第十一种或第十二种可能的实现方式,在第四方面的第十三种可能的实现方式中,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
结合第四方面的第十三种可能的实现方式,在第四方面的第十四种可能 的实现方式中,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
结合第四方面的第十一种至第十四种可能的实现方式中的任一种可能的实现方式,在第四方面的第十五种可能的实现方式中,所述资源请求信息包括终端设备标识,所述网络设备还包括:
处理模块,用于根据所述终端设备标识,为不同的终端设备分配不同的免授权传输资源。
结合第四方面和第四方面的第一种至第十五种可能的实现方式中的任一种可能的实现方式,在第四方面的第十六种可能的实现方式中,所述发送模块发送的所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
结合第四方面和第四方面的第一种至第十六种可能的实现方式中的任一种可能的实现方式,在第四方面的第十七种可能的实现方式中,所述发送模块发送的所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
结合第四方面的第十六种或第十七种可能的实现方式,在第四方面的第十八种可能的实现方式中,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。
第五方面,提供了一种终端设备,处理器、存储器、发送器和接收器;
其中,所述发送器调用所述存储器中存储的程序,以用于向网络设备发送用于请求免授权传输资源的信息;所述接收器调用所述存储器中存储的程序,以用于接收所述网络设备发送的资源指示信息,所述资源指示信息用于指示所述网络设备根据所述发送器发送的所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源;所述处理器调用所述存储器中存储的程序,以用于根据所述接收器接收的所述资源指示信息,确定进行免授权传输的传输资源。
结合第五方面,在第五方面的第一种可能的实现方式中,所述发送器具体用于:
通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一 随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
结合第五方面的第一种可能的实现方式,在第五方面的第二种可能的实现方式中,所述处理器还用于:
在所述发送模块通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源之前,从多个随机接入前导序列组中选择所述第一随机接入前导序列组的所述第一随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
结合第五方面的第一种或第二种可能的实现方式,在第五方面的第三种可能的实现方式中,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
结合第五方面,在第五方面的第四种可能的实现方式中,所述发送器具体用于:
通过在第一随机接入信道上发送随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
结合第五方面的第四种可能的实现方式,在第五方面的第五种可能的实现方式中,所述处理器还用于:
在所述发送模块通过在第一随机接入信道上发送随机接入前导序列之前,从多个随机接入信道组中选择所述第一随机接入信道组的所述第一随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
结合第五方面的第五种或第六种可能的实现方式,在第五方面的第六种可能的实现方式中,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
结合第五方面,在第五方面的第七种可能的实现方式中,所述发生器具体用于:
通过在第一随机接入信道上发送第一随机接入前导序列,向所述网络设 备请求免授权传输资源,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
结合第五方面的第七种可能的实现方式,在第五方面的第八种可能的实现方式中,所述处理器还用于:
在所述发送模块通过在第一随机接入信道上发送第一随机接入前导序列之前,从多个组合集合中选择第一组合集合的所述第一随机接入信道和第一随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
结合第五方面的第七种或第八种可能的实现方式,在第五方面的第九种可能的实现方式中,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
结合第五方面的第三种、第六种或第九种可能的实现方式,在第五方面的第十种可能的实现方式中,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
结合第五方面,在第五方面的第十一种可能的实现方式中,所述发送器具体用于:
通过无线资源控制RRC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
结合第五方面,在第五方面的第十二种可能的实现方式中,所述发送器具体用于:
通过介质访问控制MAC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
结合第五方面的第十一种或第十二种可能的实现方式,在第五方面的第十三种可能的实现方式中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
结合第五方面的第十三种可能的实现方式,在第五方面的第十四种可能的实现方式中,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
结合第五方面的第十一种至第十四种可能的实现方式中的任一种可能的实现方式,在第五方面的第十五种可能的实现方式中,所述资源请求信息 包括终端设备标识。
结合第五方面和第五方面的第一种至第十五种可能的实现方式中的任一种可能的实现方式,在第五方面的第十六种可能的实现方式中,所述接收器接收的所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
结合第五方面和第五方面的第一种至第十六种可能的实现方式中的任一种可能的实现方式,在第五方面的第十七种可能的实现方式中,所述接收器接收的所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
结合第五方面的第十六种或第十七种可能的实现方式,在第五方面的第十八种可能的实现方式中,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。
第六方面,提供了一种网络设备,包括:发送器和接收器;
所述接收器用于接收终端设备发送的用于请求免授权传输资源的信息;所述发送器用于向所述终端设备发送资源指示信息,所述资源指示信息用于指示所述网络设备根据所述接收器接收的所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源。
结合第六方面,在第六方面的第一种可能的实现方式中,所述接收器具体用于:
接收所述终端设备发送的第一随机接入前导序列,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
结合第六方面的第一种可能的实现方式,在第六方面的第二种可能的实现方式中,所述第一随机接入前导序列是所述终端设备从多个随机接入前导序列组中选择的所述第一随机接入前导序列组的随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
结合第六方面的第一种或第二种可能的实现方式,在第六方面的第三种可能的实现方式中,所述第一随机接入前导序列组包括M个第一随机接入 前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
结合第六方面,在第六方面的第四种可能的实现方式中,所述接收器具体用于:
接收所述终端设备在第一随机接入信道上发送的随机接入前导序列,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
结合第六方面的第四种可能的实现方式,在第六方面的第五种可能的实现方式中,所述第一随机接入信道是所述终端设备从多个随机接入信道组中选择的所述第一随机接入信道组的随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
结合第六方面的第四种或第五种可能的实现方式,在第六方面的第六种可能的实现方式中,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
结合第六方面,在第六方面的第七种可能的实现方式中,所述接收器具体用于:
接收所述终端设备在第一随机接入信道上发送的第一随机接入前导序列,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
结合第六方面的第七种可能的实现方式,在第六方面的第八种可能的实现方式中,所述第一随机接入信道和第一随机接入前导序列的组合是所述终端设备从多个组合集合中选择的第一组合集合的随机接入信道和随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
结合第六方面的第七种或第八种可能的实现方式,在第六方面的第九种可能的实现方式中,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
结合第六方面的第三种、第六种或第九种可能的实现方式,在第六方面 的第十种可能的实现方式中,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
结合第六方面,在第六方面的第十一种可能的实现方式中,所述接收器具体用于:
接收所述终端设备通过无线资源控制RRC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
结合第六方面,在第六方面的第十二种可能的实现方式中,所述接收器具体用于:
接收所述终端设备通过介质访问控制MAC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
结合第六方面的第十一种或第十二种可能的实现方式,在第六方面的第十三种可能的实现方式中,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
结合第六方面的第十三种可能的实现方式,在第六方面的第十四种可能的实现方式中,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
结合第六方面的第十一种至第十四种可能的实现方式中的任一种可能的实现方式,在第六方面的第十五种可能的实现方式中,所述资源请求信息包括终端设备标识,所述网络设备还包括处理器,所述处理器用于:
根据所述终端设备标识,为不同的终端设备分配不同的免授权传输资源。
结合第六方面和第六方面的第一种至第十五种可能的实现方式中的任一种可能的实现方式,在第六方面的第十六种可能的实现方式中,所述发送器发送的所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
结合第六方面和第六方面的第一种至第十六种可能的实现方式中的任一种可能的实现方式,在第六方面的第十七种可能的实现方式中,所述发送器发送的所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
结合第六方面的第十六种或第十七种可能的实现方式,在第六方面的第十八种可能的实现方式中,所述频域位置包括所述免授权传输资源在频域上 占用的子带的位置。
基于上述技术方案,本发明实施例提供的用于上行数据传输的方法、终端设备和网络设备,终端设备向网络设备发送用于请求免授权传输资源的信息,接收该网络设备发送的资源指示信息,在网络设备为终端设备分配的免授权传输资源上,终端设备可以进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
附图说明
为了更清楚地说明本发明实施例的技术方案,下面将对本发明实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面所描述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是应用本发明实施例的一种通信系统的示意性架构图。
图2是根据本发明实施例的CAR及CTU的定义的示意图;
图3是本发明一个实施例的用于上行数据传输的方法的示意性流程图。
图4是本发明另一个实施例的用于上行数据传输的方法的示意性流程图。
图5是本发明又一个实施例的用于上行数据传输的方法的示意性流程图。
图6是本发明又一个实施例的用于上行数据传输的方法的示意性流程图。
图7是本发明一个实施例的终端设备的示意性框图。
图8是本发明一个实施例的网络设备的示意性框图。
图9是本发明又一个实施例的终端设备的示意性框图。
图10是本发明又一个实施例的网络设备的示意性框图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明的一部分实施例,而不是全部实施例。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的前提下所获得的所有其他实施例,都应属于本发明保护的范围。
在本说明书中使用的术语“部件”、“模块”、“系统”等用于表示计算机相关的实体、硬件、固件、硬件和软件的组合、软件、或执行中的软件。例如,部件可以是但不限于,在处理器上运行的进程、处理器、对象、可执行文件、 执行线程、程序和/或计算机。通过图示,在计算设备上运行的应用和计算设备都可以是部件。一个或多个部件可驻留在进程和/或执行线程中,部件可位于一个计算机上和/或分布在2个或更多个计算机之间。此外,这些部件可从在上面存储有各种数据结构的各种计算机可读介质执行。部件可例如根据具有一个或多个数据分组(例如来自与本地系统、分布式系统和/或网络间的另一部件交互的二个部件的数据,例如通过信号与其它系统交互的互联网)的信号通过本地和/或远程进程来通信。
应理解,本发明实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile Communication,简称为“GSM”)系统、码分多址(Code Division Multiple Access,简称为“CDMA”)系统、宽带码分多址(Wideband Code Division Multiple Access,简称为“WCDMA”)通用分组无线业务(General Packet Radio Service,简称为“GPRS”)系统、长期演进(Long Term Evolution,简称为“LTE”)系统、LTE频分双工(Frequency Division Duplex,简称为“FDD”)系统、LTE时分双工(Time Division Duplex,简称为“TDD”)、通用移动通信系统(Universal Mobile Telecommunication System,简称为“UMTS”)、全球互联微波接入(Worldwide Interoperability for Microwave Access,简称为“WiMAX”)通信系统,以及未来的5G通信系统等。
还应理解,本发明实施例的技术方案还可以应用于各种基于非正交多址接入技术的通信系统,例如稀疏码多址接入(Sparse Code Multiple Access,简称为“SCMA”)系统,当然SCMA在通信领域也可以被称为其他名称;进一步地,本发明实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统,例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing,简称为“OFDM”)、滤波器组多载波(Filter Bank Multi-Carrier,简称为“FBMC”)、通用频分复用(Generalized Frequency Division Multiplexing,简称为“GFDM”)、滤波正交频分复用(Filtered-OFDM,简称为“F-OFDM”)系统等。
本发明结合终端设备描述了各个实施例。终端设备可以经无线接入网(Radio Access Network,RAN)与一个或多个核心网进行通信,终端设备可以指用户设备(User Equipment,简称为“UE”)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无 线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,简称为“SIP”)电话、无线本地环路(Wireless Local Loop,简称为“WLL”)站、个人数字处理(Personal Digital Assistant,简称为“PDA”)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备,未来5G网络中的终端设备等。
本发明结合网络设备描述了各个实施例。网络设备可以是用于与终端设备进行通信的设备,例如,可以是GSM系统或CDMA中的基站(Base Transceiver Station,简称为“BTS”),也可以是WCDMA系统中的基站(NodeB,简称为“NB”),还可以是LTE系统中的演进型基站(Evolutional Node B,简称为“eNB”或“eNodeB”),或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络侧设备或未来演进的PLMN网络中的网络设备等。
此外,本发明的各个方面或特征可以实现成方法、装置或使用标准编程和/或工程技术的制品。本申请中使用的术语“制品”涵盖可从任何计算机可读器件、载体或介质访问的计算机程序。例如,计算机可读介质可以包括,但不限于:磁存储器件(例如,硬盘、软盘或磁带等),光盘(例如,CD(Compact Disk,压缩盘)、DVD(Digital Versatile Disk,数字通用盘)等),智能卡和闪存器件(例如,EPROM(Erasable Programmable Read-Only Memory,可擦写可编程只读存储器)、卡、棒或钥匙驱动器等)。另外,本文描述的各种存储介质可代表用于存储信息的一个或多个设备和/或其它机器可读介质。术语“机器可读介质”可包括但不限于,无线信道和能够存储、包含和/或承载指令和/或数据的各种其它介质。
下一代移动通信系统将不仅支持传统的通信,还将支持机器到机器(Machine to Machine,简称为“M2M”)通信,或者叫做机器类通信(Machine Type Communication,简称为“MTC”)通信。根据预测,到2020年,连接在网络上的MTC设备将会达到500到1000亿,这将远超现在的连接数。对M2M类业务,由于其业务种类千差万别,对网络需求存在很大差异。大致来说,会存在如下几种需求:(I)可靠传输,但对时延不敏感;(II)低延迟,高可靠传输。
对可靠传输,而对时延不敏感业务,较容易处理。但是,对低延迟、高 可靠传输类的业务,不仅要求传输时延短,而且要求可靠,比如V2V(Vehicle to Vehicle)业务。如果传输不可靠,会导致重传而造成传输时延过大,不能满足要求。
由于大量连接的存在,使得未来的无线通信系统和现有的通信系统存在很大差异。大量连接需要消耗更多的资源接入终端设备以及需要消耗更多的资源用于终端设备的数据传输相关的调度信令的传输。
图1示出了应用本发明实施例的一种通信系统的示意性架构图。如图1所示,该通信系统100可以包括网络设备102和终端设备104~114(图中简称为UE)通过无线连接或有线连接或其它方式连接。
本发明实施例中的网络可以是指公共陆地移动网络(Public Land Mobile Network,简称为“PLMN”)或者D2D网络或者M2M网络或者其他网络,图1只是举例的简化示意图,网络中还可以包括其他网络设备,图1中未予以画出。
为了解决未来网络大量的MTC类业务,以及满足低时延、高可靠的业务传输,本发明提出了上行的免授权(Grant Free)传输的一种方案。这里的免授权传输可以针对的是上行数据传输。免授权传输可以理解为如下含义的任一一种含义,或,多种含义,或者多种含义中的部分技术特征的组合或其他类似含义::
1、免授权传输可以指:网络设备预先分配并告知终端设备多个传输资源;终端设备有上行数据传输需求时,从网络设备预先分配的多个传输资源中选择至少一个传输资源,使用所选择的传输资源发送上行数据;网络设备在所述预先分配的多个传输资源中的一个或多个传输资源上检测终端设备发送的上行数据。所述检测可以是盲检测,也可能根据所述上行数据中某一个控制域进行检测,或者是其他方式进行检测。
2、免授权传输可以指:网络设备预先分配并告知终端设备多个传输资源,以使终端设备有上行数据传输需求时,从网络设备预先分配的多个传输资源中选择至少一个传输资源,使用所选择的传输资源发送上行数据。
3、免授权传输可以指:获取预先分配的多个传输资源的信息,在有上行数据传输需求时,从所述多个传输资源中选择至少一个传输资源,使用所选择的传输资源发送上行数据。获取的方式可以从网络设备获取。
4、免授权传输可以指:不需要网络设备动态调度即可实现终端设备的 上行数据传输的方法,所述动态调度可以是指网络设备为终端设备的每次上行数据传输通过信令来指示传输资源的一种调度方式。可选地,实现终端设备的上行数据传输可以理解为允许两个或两个以上终端设备的数据在相同的时频资源上进行上行数据传输。可选地,所述传输资源可以是UE接收所述的信令的时刻以后的一个或多个传输时间单位的传输资源。一个传输时间单位可以是指一次传输的最小时间单元,比如传输时间间隔(Transmission Time Interval,简称为“TTI”),数值可以为1ms,或者可以是预先设定的传输时间单元。
5、免授权传输可以指:终端设备在不需要网络设备授权的情况下进行上行数据传输。所述授权可以指终端设备发送上行调度请求给网络设备,网络设备接收调度请求后,向终端设备发送上行授权,其中所述上行授权指示分配给终端设备的上行传输资源。
6、免授权传输可以指:一种竞争传输方式,具体地可以指多个终端在预先分配的相同的时频资源上同时进行上行数据传输,而无需基站进行授权。
所述的数据可以为包括业务数据或者信令数据。
所述盲检测可以理解为在不预知是否有数据到达的情况下,对可能到达的数据进行的检测。所述盲检测也可以理解为没有显式的信令指示下的检测。
所述传输资源可以包括但不限于如下资源的一种或多种的组合:时域资源,如无线帧、子帧、符号等;频域资源,如子载波、资源块等;空域资源,如发送天线、波束等;码域资源,如SCMA码本、低密度签名(Low Density Signature,简称为“LDS”)、CDMA码等;上行导频资源。
如上的传输资源可以根据包括但不限于如下的控制机制进行的传输:上行功率控制,如上行发送功率上限控制等;调制编码方式设置,如传输块大小、码率、调制阶数设置等;重传机制,如混合自动重传请求(Hybrid Automatic Repeat reQuest,简称为“HARQ”)机制等。
竞争传输单元(Contention Transmission Unit,简称为“CTU”)可以为免授权传输的基本传输资源。CTU可以指时间、频率、码域相结合的传输资源,或者,可以指时间、频率、导频相结合的传输,或者,可以指时间、频率、码域、导频相结合的传输资源。CTU的接入区域可以指用于免授权传输的时频区域。
专利号PCT/CN2014/073084,申请名称为“System and Method for Uplink  Grant-free Transmission Scheme”的专利申请给出了一种上行免授权传输的技术方案。PCT/CN2014/073084申请介绍可以将无线资源划分为各种CTU,UE被映射到某个CTU。每个CTU可以被分配一组码,所分配的一组码可以是一组CDMA码,也可以是SCMA码本集或LDS组或签名(signature)组等。每一个码可以对应一组导频。用户可以选择一个码以及与该码对应的导频组中的一个导频进行上行传输。PCT/CN2014/073084申请内容也可以理解为通过引用作为本发明实施例内容的一部分,不再赘述。
终端设备104-114在接入网络设备102之后,可以向网络设备102上报自身的能力信息,其中,该能力信息可以包括用于指示是否具有上行的免授权传输的能力的信息。这样,网络设备102可以根据各个终端设备上报的能力信息,采用上行的免授权传输机制或传统的请求-授权机制与终端设备进行通信。可选地,网络设备102可以通知终端设备进行上行的免授权传输的必要信息,例如该网络设备102可以指示终端设备进行上行的免授权传输,向终端设备发送搜索空间信息、CAR信息、CTU信息、调制编码方式信息,等等,其中,每个终端设备被映射到一个或多个CTU,该映射规则可以预定义或者由网络设备配置。终端设备可以选择一个码以及与该码对应的导频组中的一个导频进行上行传输,但本发明实施例对此不做限定。应理解,本发明实施例还可以应用于除图1之外的其它通信系统,本发明实施例对此不做限定。
图2示例性地示出了四个CAR 202-208,其中,系统可用带宽被分成了多个不同的时间频率区域,每个CAR占用不同的资源块,其中,可选地,每个CAR占用的资源块的数量可以预定义,例如,CAR 202占用频带的资源块(Resource Block,简称为“RB”)1-4。如图2所示,每个CAR可以进一步划分成至少一个CTU,其中,每个CTU是特定时间、频率、签名和导频的组合,图2中每个CAR对应相同的CTU映射关系,这里为了说明,从不同的角度分别示出四个CAR的映射关系,但本发明实施例不限于此。如图2所示,每个CAR支持6个签名(S1-S6),每个签名可以对应于6个导频,因此共构成36个导频(P1-P36),对应36个CTU,但本发明实施例不限于此。
应理解,图2示例性地示出了四个CAR并且每个CAR包括36个CTU,但本发明实施例还可以包括其它数量的CAR并且每个CAR可以包括其它数 量的CTU,本发明实施例对此不做限定。
应理解,本发明实施例的免授权传输资源即为上文中所述的免授权传输的传输资源。
图3示出了本发明实施例的用于上行数据传输的方法300。该方法300由终端设备执行,方法300包括:
S310,终端设备向网络设备发送用于请求免授权传输资源的信息;
S320,该终端设备接收该网络设备发送的资源指示信息,该资源指示信息用于指示该网络设备根据该用于请求免授权传输资源的信息,为该终端设备分配的免授权传输资源;
S330,该终端设备根据该资源指示信息,确定进行免授权传输的传输资源。
因此,本发明实施例的用于上行数据传输的方法,终端设备向网络设备发送用于请求免授权传输资源的信息,接收该网络设备发送的资源指示信息,在网络设备为终端设备分配的免授权传输资源上,终端设备可以进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
具体而言,在本发明实施例的S310中,终端设备可以通过明示的方式来请求免授权传输资源,例如可以通过发送资源请求信息,从网络设备获得使用上行的免授权传输资源的许可。例如,终端设备可以通过在随机接入过程的第三个步骤(第三个步骤发送的消息Mesg3)中,发送无线资源控制(Radio Resource Control,简称为“RRC”)信令来发送资源请求信息,也可以通过在随机接入过程的的第三个步骤中,发送介质访问控制(Media Access Control,简称为“MAC”)信令发送资源请求信息。
应理解,在本发明实施例中,终端设备也可以通过发送单独的消息来请求免授权传输资源,还可以通过在随机接入的第一个步骤中通过隐示的方式来请求免授权传输资源,例如,以特定的随机接入前导序列、或者以特定的随机接入信道发送随机接入前导序列,或者上述特定的随机接入前导序列和特定的随机接入信道的组合,来请求免授权传输资源,本发明实施例对发送用于请求免授权资源的信息的具体形式不作限定。
在S320和S330中,网络设备在接收到终端设备发送的信息后,为终端设备分配免授权传输资源,并向终端设备发送资源指示信息。终端设备在该免授权传输资源上,可以进行上行数据传输。其中,该资源指示信息包括用 于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
例如,网络设备可以确定频域范围和时域范围作为免授权传输资源供该终端设备使用;也可以确定频域范围供该终端设备使用,该终端设备在该频域范围的任何时间都可以进行免授权传输;还可以确定时域范围供该终端设备使用,该终端设备在该时域范围的任何频带上都可以进行免授权传输。或者,网络设备还可以为终端设备分配码域资源或导频。资源指示信息中可以包括上述资源中的一种或多种的组合。应理解,网络设备为该终端设备分配的免授权传输资源可以为一个也可以为多个,本发明实施例对此不作限定。
具体地,资源指示信息可以包括无线帧、子帧、符号、子载波、资源块的信息,还可以包括天线、波束、码组等信息。可选地,本发明实施例中,资源指示信息可以包括频域位置的信息,或者更具体为频域位置的索引,这里的频域位置可以是免授权传输资源在频域上占用的子带的位置。例如,可以是正交频分复用(Orthogonal Frequency Division Multiplexing,简称为“OFDM”)系统中的子带,或者是滤波的正交频分复用(Filter Orthogonal Frequency Division Multiplex,简称为“F-OFDM”)系统中的子带,也可以是其它系统中的子带,本发明实施例对此不作限定。
在本发明实施例中所涉及的F-OFDM的技术,可以将频谱分成多个子带,一个子带有一套子带的参数(参数英文可以为numerology),。不同子带的参数(numerology)可以相同,也可以不同。子带的参数可以包括子载波间隔、传输时间间隔(Transmission Time Interval,TTI)长度、符号长度、符号数,以及循环前缀(Cyclic Prefix,CP)长度等参数中的至少一种。子带的参数可以是预先配置的,也可以根据业务负载的情况灵活的适配。不同类型的业务可以使用不同的子带。比如:传统语音/视频、物联网(Internet of Things,IOT)、实时车联网、多媒体广播多播业务(Multimedia broadcast multicast service,MBMS)分别分布在不同的子带中。
用于进行免授权传输的所有资源可以以表或数组等形式配置在网络设备和各终端设备中,资源指示信息中以索引或标识等,通知该终端设备为其分配的免授权传输资源。优选地,该资源指示信息包免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种 或多种的组合。
在本发明实施例中,S310终端设备向网络设备发送用于请求免授权传输资源的信息,可以包括:该终端设备在随机接入的第三个步骤向网络设备发送资源请求信息,以用于请求免授权传输资源。换而言之,终端设备在随机接入的第三个步骤向网络设备发送的消息3(Msg3)中携带资源请求信息,以用于请求免授权传输资源。本发明实施例不改变现有的随机接入过程的基本的步骤,在随机接入过程的步骤中发送消息时增加免授权传输资源的相关信息,因而与现有的随机接入过程有很好的兼容性。
在本发明实施例中,资源请求信息除了用于终端设备向网络设备请求免授权传输资源,进一步地,该资源请求信息还可以包括传输特性信息,其中,该传输特性信息用于指示该终端设备的免授权传输资源的传输特性。例如,该传输特性信息可以包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
具体而言,不同的终端设备在不同的情况下,有可能需要使用不同性能的免授权传输资源进行上行数据传输。例如,当终端设备传输实时控制指令等要求极低时延的业务数据时,需要使用TTI短的免授权传输资源;而当终端设备的发射功率较低或无线信道条件较差或是传输无线抄表等时延不敏感的业务数据时,则需要使用TTI长的免授权传输资源。这就要求终端设备从网络设备获得的免授权传输资源的许可,要适合其Grant Free业务的特性要求。
在一个例子中,系统可以设置不同类型的免授权传输资源,例如普通的免授权传输资源以及低时延的免授权传输资源。终端设备要求进行极低时延的业务数据传输时,通过传输特性信息将该要求告知网络设备,从而获取低时延的免授权传输资源;否则,终端设备要求普通的免授权传输资源,或者对免授权传输资源的传输特性不做要求,此时网络设备为其分配普通的免授权传输资源。
因此,本发明实施例的终端设备发送传输特性信息告知网络设备其Grant Free业务传输的特性要求,例如低时延/短TTI的Grant Free传输、低功率/长TTI的Grant Free传输等。网络设备在收到该信息后,调度合适的免授权传输资源供该终端设备使用。
应理解,本发明实施例中的传输特性信息不限于时延特性信息、功耗特 性信息和传输时间间隔TTI特性信息等,还可以包括其它类型的对传输特性的需求信息,本发明实施例对此不作限定。
在本发明实施例中,可选地,该资源请求信息包括终端设备标识,以便于该网络设备根据该终端设备标识解决多个终端设备的竞争冲突。网络设备接收到终端设备发送的资源请求信息后,根据资源请求信息中的终端设备标识或用户标识,为不同的终端设备分配不同的免授权传输资源,并向用户发送资源指示信息,以解决多用户同时接入的竞争冲突。
在一个具体的例子中,终端设备可以通过随机接入过程的第三个步骤,从网络设备获取免授权传输资源。随机接入的具体过程如图4所示,包括:
S410,第一个步骤,终端设备选择一个随机接入前导序列,通过随机接入信道(Random Access Channel,简称为“RACH”),向网络设备发送该随机接入前导序列,以通知网络设备有一个随机接入请求,同时使得网络设备可以估计该终端设备的上行定时偏差。
S420,第二个步骤,网络设备在RACH检测到随机接入前导序列之后,向终端设备发送随机接入响应,告知终端设备其检测到的随机接入前导序列及其所在RACH的信息,通知终端设备调整UL定时偏差,并为终端设备调度在第三个步骤中用于发送Msg3的UL资源。
S430,第三个步骤,终端设备在接收到与自身发送的随机接入前导序列相匹配的随机接入响应之后,使用其所调度的UL资源,发送Msg3,Msg3中包括向网络设备请求免授权传输资源的资源请求信息。该资源请求信息可以通过RRC信令或MAC信令发送,指示了该终端设备需要进行上行的免授权传输,或者指示了该终端设备支持上行的免授权传输。该资源请求信息可以进一步指示,该上行的免授权传输的特性要求。例如,资源请求信息还可以包括用于指示该终端设备的免授权传输资源的传输特性的传输特性信息。例如,该传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
在一种实现中,终端设备仅在Msg3中发送用于向网络设备请求免授权传输资源的资源请求信息,不发送用于请求授权传输资源(非竞争的上行传输资源)的RRC连接请求(RRCConnectionRequest)。为了解决多终端设备的竞争冲突,可以在携带资源请求信息的信令中同时携带终端设备标识的相关信息,也可以使用另外一个信令携带终端设备标识,本发明实施例对此不 作限定。
在另一种实现中,终端设备在Msg3中既发送用于向网络设备请求免授权传输资源的资源请求信息给网络设备,也发送RRCConnectionRequest给网络设备,以请求授权传输资源。
S440,第四个步骤,网络设备在接收到携带资源请求信息的信令后,根据检测出的终端设备标识,向该终端设备标识对应的终端设备发送Msg4确认信息,以解决多终端设备同时接入的竞争冲突;并向该终端设备发送用于指示免授权传输资源的资源指示信息,以使该终端设备能够进行上行的免授权传输。
在一种实现中(对应于S430的一种实现),网络设备在Msg4中仅发送用于指示免授权传输资源的资源指示信息给终端设备,而不发送授权传输资源的配置信息,例如RRC连接配置(RRCConnectionSetup)。在这种情况下,终端设备可以无需建立RRC连接,通过上行的免授权传输直接向网络设备发送业务数据。
在另一种实现中(对应于S430的另一种实现),网络设备在Msg4中既发送用于指示免授权传输资源的资源指示信息给终端设备,也发送RRCConnectionSetup给终端设备,以使得终端设备既能够使用免授权传输资源传输数据,也能够使用授权传输资源传输数据。优选地,终端设备可以使用免授权传输资源传输小包数据,使用授权传输资源传输大包数据,本发明实施例对此不作限定。本实现方式可以与现有的LTE系统中请求授权传输资源的方案很好的兼容。
应理解,网络设备向终端设备发送的资源指示信息以及RRCConnectionSetup等,可以通过Msg3中的RRC信令,也可以通过Msg3中的MAC信令,但本发明实施例并不限于此。
在本发明实施例中,可选地,S310终端设备向网络设备发送用于请求免授权传输资源的信息,包括:该终端设备通过无线资源控制RRC信令,向该网络设备发送用于请求免授权传输资源的资源请求信息。
具体而言,终端设备可以在向网络设备发送的RRC信令RRCConnectionRequest中,增加关于免授权传输资源请求的定义。例如,具体形式如下。其中,增加的定义为contentionAccess,表示终端设备请求免授权传输资源,contentionAccess-fast表示请求的免授权传输资源为短TTI的资 源。应理解,以上仅为举例,可以增加其它字段或定义以表明终端设备请求免授权传输资源,本发明对具体实现方式不作限定。
RRCConnectionRequest message
Figure PCTCN2016098131-appb-000001
此外,终端设备还可以向网络设备新发送一条RRC信令来携带用于请 求免授权传输资源的资源请求信息,而不在RRCConnectionRequest中携带。例如,具体形式如下。其中,
ContentionAccessType::=ENUMERATED{
                     contentionAccess,contentionAccess-fast,contentionAccess-reliable,spare},用来定义终端设备请求免授权传输资源,请求的免授权传输资源为短TTI的资源。应理解,以上仅为举例,可以增加其它字段或定义以表明终端设备请求免授权传输资源,本发明对具体实现方式不作限定。
ContentionAccessRequest message
Figure PCTCN2016098131-appb-000002
Figure PCTCN2016098131-appb-000003
在本发明实施例中,可选地,S310终端设备向网络设备发送用于请求免授权传输资源的信息,包括:该终端设备通过介质访问控制MAC信令,向该网络设备发送用于请求免授权传输资源的资源请求信息。
具体而言,竞争接入的MAC控制元素由具有逻辑信道标识(Logical Channel Identify,简称为“LCID”)的MAC协议数据单元(Protocol Data Unit,简称为“PDU”)子报头定义为如表1所示。竞争接入字段具有固定的大小,可以定义为如下表1的Contention Access字段。该字段包括终端设备的竞争接入请求,长度可以为8比特。
表1上行共享信道的LCID值
Index LCID值
00000 CCCH
00001-01010 Identity of the logical channel
01011-10111 Reserved
11000 Contention Access
11001 Extended Power Headroom Report
11010 Power Headroom Report
11011 C-RNTI
11100 Truncated BSR
11101 Short BSR
11110 Long BSR
11111 Padding
在本发明实施例中,网络设备和终端设备可以约定不同的特定随机接入配置,对应于不同类型的免授权传输资源请求。例如,某些特定的随机接入配置,对应于低时延的免授权传输资源请求;另一些特定的随机接入配置,对应于长TTI的免授权传输资源请求。其中,特定的随机接入配置可以是属于特定的随机接入前导序列组的随机接入前导序列,也可以是用于发送随机接入前导序列的特定的RACH,还可以是特定的随机接入前导序列组的随机接入前导序列和特定的RACH的组合,本发明实施例对此不作限定。网络设 备和终端设备的约定特定随机接入配置可以通过标准规范实现,也可以通过发送消息(例如,网络设备向终端设备发送随机接入配置消息)来实现,本发明实施例对具体的实现方法不作限定。
可选地,作为一个实施例,S310终端设备向网络设备发送用于请求免授权传输资源的信息,包括:该终端设备通过发送第一随机接入前导序列,向该网络设备请求免授权传输资源,其中,该第一随机接入前导序列属于第一随机接入前导序列组,该第一随机接入前导序列组用于请求免授权传输资源,该第一随机接入前导序列组包括至少一个随机接入前导序列。
具体而言,终端设备在随机接入过程的第一个步骤,向网络设备发送随机接入前导序列。终端设备可以以特定的随机接入前导序列(例如,第一随机接入前导序列),向网络设备请求免授权传输资源。其中,网络设备和终端设备可以预先设定一组特定的随机接入前导序列(例如,为第一随机接入前导序列组),用于终端设备请求免授权传输资源。网络设备在接收到终端设备发送的第一随机接入前导序列后,检测第一随机接入前导序列对应的复数波形,可以确定该终端设备发送的第一随机接入前导序列是否属于第一随机接入前导序列组。当确定第一随机接入前导序列属于第一随机接入前导序列组时,可以确定终端设备在进行免授权传输资源的请求,网络设备为该终端设备分配免授权传输资源。
可选地,在本发明实施例中,在该终端设备通过发送第一随机接入前导序列,向该网络设备请求免授权传输资源之前,该方法300还包括:该终端设备从多个随机接入前导序列组中选择该第一随机接入前导序列组的该第一随机接入前导序列,该多个随机接入前导序列组至少包括该第一随机接入前导序列组和第二随机接入前导序列组,该第二随机接入前导序列组用于请求授权传输资源。
具体而言,终端设备发送的第一随机接入前导序列是从多个随机接入前导序列组中选择出来的。系统将随机接入前导序列(例如,现有技术中包括64种随机接入前导序列)进行分组,例如分为第一随机接入前导序列组和第二随机接入前导序列组,第一随机接入前导序列组用于请求免授权传输资源,第二随机接入前导序列组用于请求授权传输资源。在终端设备需要请求免授权传输资源时,该终端设备从多个随机接入前导序列组中选择第一随机接入前导序列组的第一随机接入前导序列,发送给网络设备。应理解,系统可以 将随机接入前导序列分为更多的随机接入前导序列组,而不限于上述例子中的两组。
当网络设备确定第一随机接入前导序列属于第一随机接入前导序列组时,可以确定终端设备在进行免授权传输资源的请求,网络设备为该终端设备分配免授权传输资源。当网络设备确定第一随机接入前导序列不属于第一随机接入前导序列组时,例如属于第二随机接入前导序列组(对应与授权传输资源的请求)时,可以确定终端设备在进行授权传输资源的请求,网络设备为该终端设备分配授权传输资源。
在本发明实施例中,该第一随机接入前导序列组包括M个第一随机接入前导序列子组,该M个第一随机接入前导序列子组是根据传输特性来划分的。其中,该传输特性可以包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种,还可以包括其它的一些用于指示免授权传输资源的性能的特性或参数等,本发明实施例对此不作限定。
进一步地,网络设备和终端设备可以约定多个不同的随机接入前导序列子组,来对应不同类型的免授权传输资源的请求。例如,可以将第一随机接入前导序列组分为多个(例如,M个)随机接入前导序列子组,包括第一随机接入前导序列子组、第二随机接入前导序列子组等,不同的随机接入前导序列子组对应不同的传输特性的免授权传输资源。应理解,随机接入前导序列子组的个数可依据对免授权传输资源的传输性能的分类决定,本发明实施例对随机接入前导序列子组的个数不作限定。换而言之,终端设备根据对免授权传输资源的传输特性的需求,以及免授权传输资源的传输特性与随机接入前导序列子组的映射关系,确定与该需求对应的随机接入前导序列子组;该终端设备向该网络设备发送与需求对应的随机接入前导序列子组中的随机接入前导序列。
类似地,作为一个实施例,S310终端设备向网络设备发送用于请求免授权传输资源的信息,包括:该终端设备通过在第一随机接入信道上发送随机接入前导序列,向该网络设备请求免授权传输资源,其中,该第一随机接入信道属于第一随机接入信道组,该第一随机接入信道组用于请求免授权传输资源,该第一随机接入信道组包括至少一个随机接入信道。
在本发明实施例中,在该终端设备通过在第一随机接入信道上发送随机接入前导序列之前,该方法300还包括:该终端设备从多个随机接入信道组 中选择该第一随机接入信道组的该第一随机接入信道,该多个随机接入信道组至少包括该第一随机接入信道组和第二随机接入信道组,该第二随机接入信道组用于请求授权传输资源。
具体而言,终端设备用于发送随机接入前导序列的随机接入信道是从多个随机接入信道组中选择出来的。系统将随机接入信道进行分组,例如分为第一随机接入信道组和第二随机接入信道组,第一随机接入信道组用于请求免授权传输资源,第二随机接入信道组用于请求授权传输资源。在终端设备需要请求免授权传输资源时,该终端设备从多个随机接入信道组中选择第一随机接入信道组的第一随机接入信道,在该信道上发送随机接入前导序列。应理解,系统可以将随机接入信道分为更多的随机接入信道组,而不限于上述例子中的两组。
在本发明实施例中,第一随机接入信道组包括N个随机接入信道子组,该N个随机接入信道子组是根据传输特性来划分的。具体而言,系统可以将用于请求免授权传输资源的第一随机接入信道组进一步划分,划分为N个随机接入信道子组,以对应不同传输特性的免授权传输资源。终端设备根据对免授权传输资源的传输特性的需求,以及免授权传输资源的传输特性与随机接入信道的映射关系,确定用于发送该随机接入前导序列的与需求对应的随机接入信道;该终端设备在与需求对应的随机接入信道上,向该网络设备发送该随机接入前导序列。
类似地,作为一个实施例,S310终端设备向网络设备发送用于请求免授权传输资源的信息,包括:该终端设备通过在第一随机接入信道上发送第一随机接入前导序列,向该网络设备请求免授权传输资源,其中,该第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,该第一组合集合用于请求免授权传输资源,该第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
在本发明实施例中,在该终端设备通过在第一随机接入信道上发送第一随机接入前导序列之前,该方法300还包括:该终端设备从多个组合集合中选择第一组合集合的该第一随机接入信道和第一随机接入前导序列的组合,该多个组合集合至少包括该第一组合集合和第二组合集合,该第二组合集合用于请求授权传输资源。其中,该第一组合集合包括K个组合子集,该K个组合子集是根据传输特性来划分的。本发明实施例的具体实施方式与前文 中描述的,以属于特定的随机接入前导序列组的随机接入前导序列或者以用于发送随机接入前导序列的特定的RACH来请求免授权传输资源的原理相类似,在此不再进行赘述。
在一个具体的例子中,终端设备可以通过发送随机接入前导序列,从网络设备获取免授权传输资源。具体过程如图5所示,包括:
S510,终端设备采用特定的随机接入配置,向网络设备发送随机接入前导序列,以用于请求免授权传输资源。其中,特定的随机接入配置用于告知网络设备终端设备需要进行上行的免授权传输,或者告知网络设备终端设备可以支持上行的免授权传输。其中,特定的随机接入配置可以是上文中描述的三种中的一种。
S520,网络设备在RACH接收到随机接入前导序列之后,检测随机接入前导序列,确定终端设备请求免授权传输资源。网络设备检测其随机接入配置,包括随机接入前导序列所属的随机接入前导序列组,终端设备发送随机接入前导序列使用的RACH,或者上述二者的组合。如果发现其符合与免授权传输资源请求相对应的特定的随机接入配置,则发送随机接入响应,告知终端设备其检测到的随机接入前导序列及其所在RACH的信息。随机接入响应中包括资源指示信息,以使该终端设备能够使用资源指示信息中的资源进行上行的免授权传输。
相应地,本发明实施例的方法相对于现有的发送随机接入前导序列不论是在RRC信令方面还是MAC层方面都有相应的变化。下面,以特定的随机接入配置为随机接入前导序列所属的随机接入前导序列组对应于免授权传输资源请求为例进行说明。具体而言,相对于现有的64个随机接入前导序列对应的随机接入前导序列组仅有A、B两组,本发明实施例的方法可以将64个随机接入前导序列分别定义至更多的组中。在RRC信令方面,RACH-ConfigCommon用于指定通用随机接入参数,其具体定义如下。其中,sizeOfRA-PreamblesGroupC ENUMERATED{n1,n2,n4,n8}用于定义新的随机接入前导序列组。
RACH-ConfigCommon information element
Figure PCTCN2016098131-appb-000004
Figure PCTCN2016098131-appb-000005
Figure PCTCN2016098131-appb-000006
MAC层过程定义则包括随机接入过程的初始化和随机接入资源选择两部分。
(一)随机接入过程的初始化
如果sizeOfRA-PreamblesGroupA+sizeOfRA-PreamblesGroupC等于numberOfRA-PreamblessizeOfRA则不存在随机接入前导序列B组。随机接入前导序列A组中的前导序列是0至sizeOfRA-PreamblesGroupA-1,随机接入前导序列C组中的前导序列是从sizeOfRA-PreamblesGroupA到sizeOfRA–PreamblesGroupC-1。如果随机接入前导序列B组存在,在随机接入前导序列B组中的前导序列是预定义的64个前导序列中的sizeOfRA-PreamblesGroupC到numberOfRA-Preambles-1。
If sizeOfRA-PreamblesGroupA+sizeOfRA-PreamblesGroupC is equal to numberOfRA-PreamblessizeOfRA then there is no Random Access Preambles group B.The preambles in Random Access Preamble group A are the preambles0to sizeOfRA-PreamblesGroupA–1,the preambles in Random Access Preamble group C are from sizeOfRA-PreamblesGroupA to sizeOfRA-PreamblesGroupC–1and,if it exists,the preambles in Random Access Preamble group B are the preambles sizeOfRA-PreamblesGroupC to numberOfRA-Preambles–1from the set of 64preambles.
(二)随机接入资源选择
如果RA-PreambleIndex(随机接入前导序列)和RA-PRACH-MaskIndex(PRACH掩码索引)已被明确告知,并且RA-PreambleIndex不是000000:
-随机接入前导序列和PRACH掩码索引是已被明确告知的。
否则,随机接入前导序列由UE选择如下:
-如果消息3尚未被发送,则UE应当:
-如果随机接入前导序列C组存在,并且由上层指示要使用,则:
-选择随机接入前导序列C组;
-如果随机接入前导序列B组存在,并且潜在消息大小(数据可用于传输附加的MAC报头,以及需要的MAC控制元素)大于messageSizeGroupA,并且如果路损比PCMAX,c(服务小区执行随机接入过程的PCMAX,c)-preambleInitialReceivedTargetPower-deltaPreambleMsg3- messagePowerOffsetGroupB少,则:
-选择随机接入前导序列B组;
-否则:
-选择随机接入前导序列A组。
If ra-PreambleIndex(Random Access Preamble)and ra-PRACH-MaskIndex(PRACH Mask Index)have been explicitly signalled and ra-PreambleIndex is not000000:
-the Random Access Preamble and the PRACH Mask Index are those explicitly signalled.
-else the Random Access Preamble shall be selected by the UE as follows:
-If Msg3has not yet been transmitted,the UE shall:
-if Random Access Preambles group C exists and is indicated by upper layers to be used,then:
-select the Random Access Preambles group C;
-if Random Access Preambles group B exists and if the potential message size(data available for transmission plus MAC header and,where required,MAC control elements)is greater than messageSizeGroupA and if the pathloss is less than PCMAX,c(of the Serving Cell performing the Random Access Procedure)–preambleInitialReceivedTargetPower–del-taPreambleMsg3–messagePowerOffsetGroupB,then:
-select the Random Access Preambles group B;
-else:
-select the Random Access Preambles group A.
应理解,以随机接入前导序列C组上仅为举例,可以增加更多的随机接入前导序列组以用于区分不同的免授权传输资源的传输特性,本发明对具体实现方式不作限定。
相应地,随机接入的流程也定义为两个步骤。第一个步骤为:终端设备向网络设备发送随机接入前导序列,以随机序列前导所属的随机接入前导序列组来区分请求的是否免授权传输资源;第二个步骤为:网络设备向终端设备发送随机接入响应。具体地,可以为:
The two steps of the contention based random access procedures are:
1)Random Access Preamble on RACH in uplink:
-The preamble group C is used.
2)Random Access Response generated by MAC on DL-SCH:
-……
-Conveys at least RA-preamble identifier,Timing Alignment information for the pTAG,UL grant for contention based data transmissions…….
因此,本发明实施例的用于上行数据传输的方法,终端设备向网络设备请求免授权传输资源,接收该网络设备发送的资源指示信息,在网络设备为终端设备分配的免授权传输资源,进行上行数据传输,可以实现基于竞争的上行数据传输,提高系统传输数据的效率。此外,本发明实施例的终端设备发送传输特性信息,告知网络设备其上行的免授权业务传输的特性要求,例如低时延/短TTI的UL Grant Free传输、低功率/长TTI的UL Grant Free传输等。网络设备在收到该信息后,调度合适的免授权传输资源供该终端设备使用。
应理解,本发明实施例中资源指示信息中指示的免授权传输资源,可以是与终端设备请求的资源请求信息对应的免授权传输资源,也可以是网络设备根据当前的网络或资源状态为终端设备确定的免授权传输资源,其可能与终端设备发送的资源请求信息不完全对应,本发明实施例对此不作限定。
还应理解,在本发明的各种实施例中,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本发明实施例的实施过程构成任何限定。
上文中结合图3至图5,从终端设备的角度详细描述了根据本发明实施例的用于上行数据传输的方法,下面将结合图6,从网络设备的角度描述根据本发明实施例的用于上行数据传输的方法。
如图6所示,根据本发明实施例的用于上行数据传输的方法600例如可以由通信系统中的网络设备执行。该方法600包括:
S610,网络设备接收终端设备发送的用于请求免授权传输资源的信息;
S620,该网络设备向该终端设备发送资源指示信息,该资源指示信息用于指示该网络设备根据该用于请求免授权传输资源的信息,为该终端设备分配的免授权传输资源。
因此,本发明实施例的用于上行数据传输的方法,网络设备接收终端设 备发送的用于请求免授权传输资源的信息,为终端设备分配的免授权传输资源,以便于终端设备在该免授权传输资源上进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
在本发明实施例中,可选地,S610网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
该网络设备接收该终端设备发送的第一随机接入前导序列,其中,该第一随机接入前导序列属于第一随机接入前导序列组,该第一随机接入前导序列组用于请求免授权传输资源,该第一随机接入前导序列组包括至少一个随机接入前导序列。
在本发明实施例中,可选地,该第一随机接入前导序列是该终端设备从多个随机接入前导序列组中选择的该第一随机接入前导序列组的随机接入前导序列,该多个随机接入前导序列组至少包括该第一随机接入前导序列组和第二随机接入前导序列组,该第二随机接入前导序列组用于请求授权传输资源。
在本发明实施例中,可选地,该第一随机接入前导序列组包括M个第一随机接入前导序列子组,该M个第一随机接入前导序列子组是根据传输特性来划分的。
在本发明实施例中,可选地,S610网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
该网络设备接收该终端设备在第一随机接入信道上发送的随机接入前导序列,其中,该第一随机接入信道属于第一随机接入信道组,该第一随机接入信道组用于请求免授权传输资源,该第一随机接入信道组包括至少一个随机接入信道。
在本发明实施例中,可选地,该第一随机接入信道是该终端设备从多个随机接入信道组中选择的该第一随机接入信道组的随机接入信道,该多个随机接入信道组至少包括该第一随机接入信道组和第二随机接入信道组,该第二随机接入信道组用于请求授权传输资源。
在本发明实施例中,可选地,该第一随机接入信道组包括N个随机接入信道子组,该N个随机接入信道子组是根据传输特性来划分的。
在本发明实施例中,可选地,S610网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
该网络设备接收该终端设备在第一随机接入信道上发送的第一随机接入前导序列,其中,该第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,该第一组合集合用于请求免授权传输资源,该第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
在本发明实施例中,可选地,该第一随机接入信道和第一随机接入前导序列的组合是该终端设备从多个组合集合中选择的第一组合集合的随机接入信道和随机接入前导序列的组合,该多个组合集合至少包括该第一组合集合和第二组合集合,该第二组合集合用于请求授权传输资源。
在本发明实施例中,可选地,该第一组合集合包括K个组合子集,该K个组合子集是根据传输特性来划分的。
在本发明实施例中,可选地,该传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
在本发明实施例中,可选地,S610网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
该网络设备接收该终端设备通过无线资源控制RRC信令,向该网络设备发送的用于请求免授权传输资源的资源请求信息。
在本发明实施例中,可选地,S610网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
该网络设备接收该终端设备通过介质访问控制MAC信令,向该网络设备发送的用于请求免授权传输资源的资源请求信息。
在本发明实施例中,可选地,该资源请求信息包括传输特性信息,其中,该传输特性信息用于指示该终端设备的免授权传输资源的传输特性。
在本发明实施例中,可选地,该传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
在本发明实施例中,可选地,该资源请求信息包括终端设备标识,该方法600还包括:
该网络设备根据该终端设备标识,为不同的终端设备分配不同的免授权传输资源。
在本发明实施例中,可选地,该资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
在本发明实施例中,可选地,该资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
在本发明实施例中,可选地,频域位置可以包括免授权传输资源在频域上占用的子带的位置。
因此,本发明实施例的用于上行数据传输的方法,网络设备接收终端设备发送的用于请求免授权传输资源的信息,为终端设备分配的免授权传输资源,以便于终端设备在该免授权传输资源上进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
上文中结合图3至图6,详细描述了根据本发明实施例的用于上行数据传输的方法,下面将结合图7至图10,描述根据本发明实施例的终端设备和网络设备。
图7示出了根据本发明实施例的终端设备700。如图7所示,该终端设备700包括:
发送模块710,用于向网络设备发送用于请求免授权传输资源的信息;
接收模块720,用于接收该网络设备发送的资源指示信息,该资源指示信息用于指示该网络设备根据该发送模块710发送的该用于请求免授权传输资源的信息,为该终端设备700分配的免授权传输资源;
确定模块730,用于根据该接收模块720接收的该资源指示信息,确定进行免授权传输的传输资源。
因此,本发明实施例的终端设备,向网络设备发送用于请求免授权传输资源的信息,接收该网络设备发送的资源指示信息,在网络设备为终端设备分配的免授权传输资源上,终端设备可以进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
可选地,作为一个实施例,该发送模块710具体用于:通过发送第一随机接入前导序列,向该网络设备请求免授权传输资源,其中,该第一随机接入前导序列属于第一随机接入前导序列组,该第一随机接入前导序列组用于请求免授权传输资源,该第一随机接入前导序列组包括至少一个随机接入前导序列。
可选地,作为一个实施例,该终端设备700还包括:选择模块,用于在 该发送模块710通过发送第一随机接入前导序列,向该网络设备请求免授权传输资源之前,从多个随机接入前导序列组中选择该第一随机接入前导序列组的该第一随机接入前导序列,该多个随机接入前导序列组至少包括该第一随机接入前导序列组和第二随机接入前导序列组,该第二随机接入前导序列组用于请求授权传输资源。
可选地,作为一个实施例,该第一随机接入前导序列组包括M个第一随机接入前导序列子组,该M个第一随机接入前导序列子组是根据传输特性来划分的。
可选地,作为一个实施例,该发送模块710具体用于:通过在第一随机接入信道上发送随机接入前导序列,向该网络设备请求免授权传输资源,其中,该第一随机接入信道属于第一随机接入信道组,该第一随机接入信道组用于请求免授权传输资源,该第一随机接入信道组包括至少一个随机接入信道。
可选地,作为一个实施例,该终端设备700还包括:选择模块,用于在该发送模块710通过在第一随机接入信道上发送随机接入前导序列之前,从多个随机接入信道组中选择该第一随机接入信道组的该第一随机接入信道,该多个随机接入信道组至少包括该第一随机接入信道组和第二随机接入信道组,该第二随机接入信道组用于请求授权传输资源。
可选地,作为一个实施例,该第一随机接入信道组包括N个随机接入信道子组,该N个随机接入信道子组是根据传输特性来划分的。
可选地,作为一个实施例,该发送模块710具体用于:通过在第一随机接入信道上发送第一随机接入前导序列,向该网络设备请求免授权传输资源,其中,该第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,该第一组合集合用于请求免授权传输资源,该第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
可选地,作为一个实施例,该终端设备700还包括:选择模块,用于在该发送模块710通过在第一随机接入信道上发送第一随机接入前导序列之前,从多个组合集合中选择第一组合集合的该第一随机接入信道和第一随机接入前导序列的组合,该多个组合集合至少包括该第一组合集合和第二组合集合,该第二组合集合用于请求授权传输资源。
可选地,作为一个实施例,该第一组合集合包括K个组合子集,该K 个组合子集是根据传输特性来划分的。
可选地,作为一个实施例,该传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
可选地,作为一个实施例,该发送模块710具体用于:通过无线资源控制RRC信令,向该网络设备发送用于请求免授权传输资源的资源请求信息。
可选地,作为一个实施例,该发送模块710具体用于:通过介质访问控制MAC信令,向该网络设备发送用于请求免授权传输资源的资源请求信息。
可选地,作为一个实施例,该资源请求信息包括传输特性信息,其中,该传输特性信息用于指示该终端设备的免授权传输资源的传输特性。
可选地,作为一个实施例,该传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
可选地,作为一个实施例,该资源请求信息包括终端设备标识。
可选地,作为一个实施例,该接收模块接收的该资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
可选地,作为一个实施例,该接收模块接收的该资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
可选地,作为一个实施例,频域位置可以包括免授权传输资源在频域上占用的子带的位置。应理解,根据本发明实施例的终端设备700可对应于本发明方法实施例中的执行主体,并且终端设备700中的各个模块的上述和其它操作和/或功能分别为了实现图3至图6中的各个方法的相应流程,为了简洁,在此不再赘述。
因此,本发明实施例的终端设备,向网络设备发送用于请求免授权传输资源的信息,接收该网络设备发送的资源指示信息,在网络设备为终端设备分配的免授权传输资源上,终端设备可以进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
图8示出了根据本发明实施例的网络设备800。如图8所示,该网络设备800包括:
接收模块810,用于接收终端设备发送的用于请求免授权传输资源的信 息;
发送模块820,用于向该终端设备发送资源指示信息,该资源指示信息用于指示该网络设备根据该接收模块810接收的该用于请求免授权传输资源的信息,为该终端设备分配的免授权传输资源。
因此,本发明实施例的网络设备,接收终端设备发送的用于请求免授权传输资源的信息,为终端设备分配的免授权传输资源,以便于终端设备在该免授权传输资源上进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
可选地,作为一个实施例,该接收模块810具体用于:接收该终端设备发送的第一随机接入前导序列,其中,该第一随机接入前导序列属于第一随机接入前导序列组,该第一随机接入前导序列组用于请求免授权传输资源,该第一随机接入前导序列组包括至少一个随机接入前导序列。
可选地,作为一个实施例,该第一随机接入前导序列是该终端设备从多个随机接入前导序列组中选择的该第一随机接入前导序列组的随机接入前导序列,该多个随机接入前导序列组至少包括该第一随机接入前导序列组和第二随机接入前导序列组,该第二随机接入前导序列组用于请求授权传输资源。
可选地,作为一个实施例,该第一随机接入前导序列组包括M个第一随机接入前导序列子组,该M个第一随机接入前导序列子组是根据传输特性来划分的。
可选地,作为一个实施例,该接收模块810具体用于:接收该终端设备在第一随机接入信道上发送的随机接入前导序列,其中,该第一随机接入信道属于第一随机接入信道组,该第一随机接入信道组用于请求免授权传输资源,该第一随机接入信道组包括至少一个随机接入信道。
可选地,作为一个实施例,该第一随机接入信道是该终端设备从多个随机接入信道组中选择的该第一随机接入信道组的随机接入信道,该多个随机接入信道组至少包括该第一随机接入信道组和第二随机接入信道组,该第二随机接入信道组用于请求授权传输资源。
可选地,作为一个实施例,该第一随机接入信道组包括N个随机接入信道子组,该N个随机接入信道子组是根据传输特性来划分的。
可选地,作为一个实施例,该接收模块810具体用于:接收该终端设备 在第一随机接入信道上发送的第一随机接入前导序列,其中,该第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,该第一组合集合用于请求免授权传输资源,该第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
可选地,作为一个实施例,该第一随机接入信道和第一随机接入前导序列的组合是该终端设备从多个组合集合中选择的第一组合集合的随机接入信道和随机接入前导序列的组合,该多个组合集合至少包括该第一组合集合和第二组合集合,该第二组合集合用于请求授权传输资源。
可选地,作为一个实施例,该第一组合集合包括K个组合子集,该K个组合子集是根据传输特性来划分的。
可选地,作为一个实施例,该传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
可选地,作为一个实施例,该接收模块810具体用于:接收该终端设备通过无线资源控制RRC信令,向该网络设备发送的用于请求免授权传输资源的资源请求信息。
可选地,作为一个实施例,该接收模块810具体用于:接收该终端设备通过介质访问控制MAC信令,向该网络设备发送的用于请求免授权传输资源的资源请求信息。
可选地,作为一个实施例,该资源请求信息包括传输特性信息,其中,该传输特性信息用于指示该终端设备的免授权传输资源的传输特性。
可选地,作为一个实施例,该传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
可选地,作为一个实施例,该资源请求信息包括终端设备标识,该网络设备800还包括:处理模块,用于根据该终端设备标识,为不同的终端设备分配不同的免授权传输资源。
可选地,作为一个实施例,该发送模块820发送的该资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
可选地,作为一个实施例,该发送模块820发送的该资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源 的导频的索引中的一种或多种的组合。
可选地,作为一个实施例,频域位置可以包括免授权传输资源在频域上占用的子带的位置。
应理解,根据本发明实施例的网络设备800可对应于本发明方法实施例中的执行主体,并且网络设备800中的各个模块的上述和其它操作和/或功能分别为了实现图3至图6中的各个方法的相应流程,为了简洁,在此不再赘述。
因此,本发明实施例的网络设备,接收终端设备发送的用于请求免授权传输资源的信息,为终端设备分配的免授权传输资源,以便于终端设备在该免授权传输资源上进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
如图9所示,本发明实施例还提供了一种终端设备900,该终端设备900包括处理器920、存储器930、发送器940和接收器950,可选地,还可以包括总线910,处理器920、存储器930、发送器940和接收器950通过总线910相连。其中,该发送器940通过该总线910,调用该存储器930中存储的程序,以用于向网络设备发送用于请求免授权传输资源的信息;该接收器950通过该总线910,调用该存储器930中存储的程序,以用于接收该网络设备发送的资源指示信息,该资源指示信息用于指示该网络设备根据该发送器940发送的该用于请求免授权传输资源的信息,为该终端设备900分配的免授权传输资源;该处理器920通过该总线910,调用该存储器930中存储的程序,以用于根据该接收器950接收的该资源指示信息,确定进行免授权传输的传输资源。
因此,本发明实施例的终端设备,向网络设备发送用于请求免授权传输资源的信息,接收该网络设备发送的资源指示信息,在网络设备为终端设备分配的免授权传输资源上,终端设备可以进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
应理解,在本发明实施例中,该处理器920可以是中央处理单元(Central Processing Unit,CPU),该处理器920还可以是其他通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field-Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件 组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器930可以包括只读存储器和随机存取存储器,并向处理器920提供指令和数据。存储器930的一部分还可以包括非易失性随机存取存储器。例如,存储器930还可以存储设备类型的信息。
该总线910除包括数据总线之外,还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见,在图中将各种总线都标为总线910。
在实现过程中,上述方法的各步骤可以通过处理器920中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器930,处理器920读取存储器930中的信息,结合其硬件完成上述方法的步骤。为避免重复,这里不再详细描述。
可选地,作为一个实施例,该发送器940具体用于:通过发送第一随机接入前导序列,向该网络设备请求免授权传输资源,其中,该第一随机接入前导序列属于第一随机接入前导序列组,该第一随机接入前导序列组用于请求免授权传输资源,该第一随机接入前导序列组包括至少一个随机接入前导序列。
可选地,作为一个实施例,该处理器910还用于:在该发送模块通过发送第一随机接入前导序列,向该网络设备请求免授权传输资源之前,从多个随机接入前导序列组中选择该第一随机接入前导序列组的该第一随机接入前导序列,该多个随机接入前导序列组至少包括该第一随机接入前导序列组和第二随机接入前导序列组,该第二随机接入前导序列组用于请求授权传输资源。
可选地,作为一个实施例,该第一随机接入前导序列组包括M个第一随机接入前导序列子组,该M个第一随机接入前导序列子组是根据传输特性来划分的。
可选地,作为一个实施例,该发送器940具体用于:通过在第一随机接入信道上发送随机接入前导序列,向该网络设备请求免授权传输资源,其中,该第一随机接入信道属于第一随机接入信道组,该第一随机接入信道组用于 请求免授权传输资源,该第一随机接入信道组包括至少一个随机接入信道。
可选地,作为一个实施例,该处理器910还用于:在该发送模块通过在第一随机接入信道上发送随机接入前导序列之前,从多个随机接入信道组中选择该第一随机接入信道组的该第一随机接入信道,该多个随机接入信道组至少包括该第一随机接入信道组和第二随机接入信道组,该第二随机接入信道组用于请求授权传输资源。
可选地,作为一个实施例,该第一随机接入信道组包括N个随机接入信道子组,该N个随机接入信道子组是根据传输特性来划分的。
可选地,作为一个实施例,该发生器940具体用于:通过在第一随机接入信道上发送第一随机接入前导序列,向该网络设备请求免授权传输资源,其中,该第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,该第一组合集合用于请求免授权传输资源,该第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
可选地,作为一个实施例,该处理器910还用于:在该发送模块通过在第一随机接入信道上发送第一随机接入前导序列之前,从多个组合集合中选择第一组合集合的该第一随机接入信道和第一随机接入前导序列的组合,该多个组合集合至少包括该第一组合集合和第二组合集合,该第二组合集合用于请求授权传输资源。
可选地,作为一个实施例,该第一组合集合包括K个组合子集,该K个组合子集是根据传输特性来划分的。
可选地,作为一个实施例,该传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
可选地,作为一个实施例,该发送器940具体用于:通过无线资源控制RRC信令,向该网络设备发送用于请求免授权传输资源的资源请求信息。
可选地,作为一个实施例,该发送器940具体用于:通过介质访问控制MAC信令,向该网络设备发送用于请求免授权传输资源的资源请求信息。
可选地,作为一个实施例,该资源请求信息包括传输特性信息,其中,该传输特性信息用于指示该终端设备的免授权传输资源的传输特性。
可选地,作为一个实施例,该传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
可选地,作为一个实施例,该资源请求信息包括终端设备标识。
可选地,作为一个实施例,该接收器950接收的该资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
可选地,作为一个实施例,该接收器950接收的该资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
可选地,作为一个实施例,频域位置可以包括免授权传输资源在频域上占用的子带的位置。
应理解,根据本发明实施例的终端设备900可对应于执行本发明实施例中的方法的主体,还可以对应于根据本发明实施例的终端设备700,并且终端设备900中的各个模块的上述和其它操作和/或功能是为了实现图3至图6的方法的相应流程,为了简洁,在此不再赘述。
因此,本发明实施例的终端设备,向网络设备发送用于请求免授权传输资源的信息,接收该网络设备发送的资源指示信息,在网络设备为终端设备分配的免授权传输资源上,终端设备可以进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
如图10所示,本发明实施例还提供了一种网络设备1000,该网络设备1000包括发送器1040和接收器1050,可选地还可以包括总线1010、处理器1020和存储器1030,处理器1020、存储器1030、发送器1040和接收器1050通过总线1010相连。其中,该接收器接收器1050通过该总线1010,调用该存储器1030中存储的程序,以用于接收终端设备发送的用于请求免授权传输资源的信息;该发送器1040通过该总线1010,调用该存储器1030中存储的程序,以用于向该终端设备发送资源指示信息,该资源指示信息用于指示该网络设备1000根据该接收器1050接收的该用于请求免授权传输资源的信息,为该终端设备分配的免授权传输资源。
因此,本发明实施例的网络设备,接收终端设备发送的用于请求免授权传输资源的信息,为终端设备分配的免授权传输资源,以便于终端设备在该免授权传输资源上进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
应理解,在本发明实施例中,该处理器1020可以是中央处理单元(Central  Processing Unit,CPU),该处理器1020还可以是其他通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field-Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器1030可以包括只读存储器和随机存取存储器,并向处理器1020提供指令和数据。存储器1030的一部分还可以包括非易失性随机存取存储器。例如,存储器1030还可以存储设备类型的信息。
该总线1010除包括数据总线之外,还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见,在图中将各种总线都标为总线1010。
在实现过程中,上述方法的各步骤可以通过处理器1020中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器1030,处理器1020读取存储器1030中的信息,结合其硬件完成上述方法的步骤。为避免重复,这里不再详细描述。
可选地,作为一个实施例,该接收器1050具体用于:接收该终端设备发送的第一随机接入前导序列,其中,该第一随机接入前导序列属于第一随机接入前导序列组,该第一随机接入前导序列组用于请求免授权传输资源,该第一随机接入前导序列组包括至少一个随机接入前导序列。
可选地,作为一个实施例,该第一随机接入前导序列是该终端设备从多个随机接入前导序列组中选择的该第一随机接入前导序列组的随机接入前导序列,该多个随机接入前导序列组至少包括该第一随机接入前导序列组和第二随机接入前导序列组,该第二随机接入前导序列组用于请求授权传输资源。
可选地,作为一个实施例,该第一随机接入前导序列组包括M个第一随机接入前导序列子组,该M个第一随机接入前导序列子组是根据传输特性来划分的。
可选地,作为一个实施例,该接收器1050具体用于:接收该终端设备在第一随机接入信道上发送的随机接入前导序列,其中,该第一随机接入信道属于第一随机接入信道组,该第一随机接入信道组用于请求免授权传输资源,该第一随机接入信道组包括至少一个随机接入信道。
可选地,作为一个实施例,该第一随机接入信道是该终端设备从多个随机接入信道组中选择的该第一随机接入信道组的随机接入信道,该多个随机接入信道组至少包括该第一随机接入信道组和第二随机接入信道组,该第二随机接入信道组用于请求授权传输资源。
可选地,作为一个实施例,该第一随机接入信道组包括N个随机接入信道子组,该N个随机接入信道子组是根据传输特性来划分的。
可选地,作为一个实施例,该接收器1050具体用于:接收该终端设备在第一随机接入信道上发送的第一随机接入前导序列,其中,该第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,该第一组合集合用于请求免授权传输资源,该第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
可选地,作为一个实施例,该第一随机接入信道和第一随机接入前导序列的组合是该终端设备从多个组合集合中选择的第一组合集合的随机接入信道和随机接入前导序列的组合,该多个组合集合至少包括该第一组合集合和第二组合集合,该第二组合集合用于请求授权传输资源。
可选地,作为一个实施例,该第一组合集合包括K个组合子集,该K个组合子集是根据传输特性来划分的。
可选地,作为一个实施例,该传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
可选地,作为一个实施例,该接收器1050具体用于:接收该终端设备通过无线资源控制RRC信令,向该网络设备发送的用于请求免授权传输资源的资源请求信息。
可选地,作为一个实施例,该接收器1050具体用于:接收该终端设备通过介质访问控制MAC信令,向该网络设备发送的用于请求免授权传输资源的资源请求信息。
可选地,作为一个实施例,该资源请求信息包括传输特性信息,其中,该传输特性信息用于指示该终端设备的免授权传输资源的传输特性。
可选地,作为一个实施例,该传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
可选地,作为一个实施例,该资源请求信息包括终端设备标识,该处理器1010还用于:根据该终端设备标识,为不同的终端设备分配不同的免授权传输资源。
可选地,作为一个实施例,该发送器发送1040的该资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
可选地,作为一个实施例,该发送器发送1040的该资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
可选地,作为一个实施例,频域位置可以包括免授权传输资源在频域上占用的子带的位置。
应理解,根据本发明实施例的网络设备1000可对应于执行本发明实施例中的方法的主体,还可以对应于根据本发明实施例的网络设备800,并且网络设备1000中的各个模块的上述和其它操作和/或功能是为了实现图3至图6的方法的相应流程,为了简洁,在此不再赘述。
因此,本发明实施例的网络设备,接收终端设备发送的用于请求免授权传输资源的信息,为终端设备分配的免授权传输资源,以便于终端设备在该免授权传输资源上进行上行数据传输,从而实现基于竞争的上行数据传输,提高系统传输数据的效率。
应理解,在本发明实施例中,优选地,所述终端设备为用户设备,所述网络设备为基站。
还应理解,以上实施例中的发送模块或发送器可以指在空口上进行发送,可以不是空口上发送,而是发送给其它设备以便于其它设备在空口上发送。以上实施例中的接收模块或接收器可以指在空口上进行接收,可以不是空口上接收,而是从在空口上接收的其它设备进行接收。
另外,本文中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对 象是一种“或”的关系。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、计算机软件或者二者的结合来实现,为了清楚地说明硬件和软件的可互换性,在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到,为了描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另外,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口、装置或单元的间接耦合或通信连接,也可以是电的,机械的或其它的形式连接。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本发明实施例方案的目的。
以上某一实施例中的技术特征和描述,为了使申请文件简洁清楚,可以理解适用于其他实施例,在其他实施例不再一一赘述。
另外,在本发明各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以是两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分,或者该技术方 案的全部或部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上某一实施例中的技术特征和描述,为了使申请文件简洁清楚,可以理解适用于其他实施例,比如方法实施例的技术特征可以适用于装置实施例或其他方法实施例,在其他实施例不再一一赘述。
以上所述,仅为本发明的具体实施方式,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揭露的技术范围内,可轻易想到各种等效的修改或替换,这些修改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以权利要求的保护范围为准。

Claims (114)

  1. 一种用于上行数据传输的方法,其特征在于,包括:
    终端设备向网络设备发送用于请求免授权传输资源的信息;
    所述终端设备接收所述网络设备发送的资源指示信息,所述资源指示信息用于指示所述网络设备根据所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源;
    所述终端设备根据所述资源指示信息,确定进行免授权传输的传输资源。
  2. 根据权利要求1所述的方法,其特征在于,所述终端设备向网络设备发送用于请求免授权传输资源的信息,包括:
    所述终端设备通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
  3. 根据权利要求2所述的方法,其特征在于,在所述终端设备通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源之前,所述方法还包括:
    所述终端设备从多个随机接入前导序列组中选择所述第一随机接入前导序列组的所述第一随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
  4. 根据权利要求2或3所述的方法,其特征在于,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
  5. 根据权利要求1所述的方法,其特征在于,所述终端设备向网络设备发送用于请求免授权传输资源的信息,包括:
    所述终端设备通过在第一随机接入信道上发送随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
  6. 根据权利要求5所述的方法,其特征在于,在所述终端设备通过在第一随机接入信道上发送随机接入前导序列之前,所述方法还包括:
    所述终端设备从多个随机接入信道组中选择所述第一随机接入信道组的所述第一随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
  7. 根据权利要求5或6所述的方法,其特征在于,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
  8. 根据权利要求1所述的方法,其特征在于,所述终端设备向网络设备发送用于请求免授权传输资源的信息,包括:
    所述终端设备通过在第一随机接入信道上发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
  9. 根据权利要求8所述的方法,其特征在于,在所述终端设备通过在第一随机接入信道上发送第一随机接入前导序列之前,所述方法还包括:
    所述终端设备从多个组合集合中选择第一组合集合的所述第一随机接入信道和第一随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
  10. 根据权利要求8或9所述的方法,其特征在于,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
  11. 根据权利要求4、7和10中任一项所述的方法,其特征在于,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
  12. 根据权利要求1所述的方法,其特征在于,所述终端设备向网络设备发送用于请求免授权传输资源的信息,包括:
    所述终端设备通过无线资源控制RRC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
  13. 根据权利要求1所述的方法,其特征在于,所述终端设备向网络设备发送用于请求免授权传输资源的信息,包括:
    所述终端设备通过介质访问控制MAC信令,向所述网络设备发送用于 请求免授权传输资源的资源请求信息。
  14. 根据权利要求12或13所述的方法,其特征在于,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
  15. 根据权利要求14所述的方法,其特征在于,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
  16. 根据权利要求12至15中任一项所述的方法,其特征在于,所述资源请求信息包括终端设备标识。
  17. 根据权利要求1至16中任一项所述的方法,其特征在于,所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
  18. 根据权利要求1至17中任一项所述的方法,其特征在于,所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
  19. 根据权利要求17或18所述的方法,其特征在于,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。
  20. 一种用于上行数据传输的方法,其特征在于,包括:
    网络设备接收终端设备发送的用于请求免授权传输资源的信息;
    所述网络设备向所述终端设备发送资源指示信息,所述资源指示信息用于指示所述网络设备根据所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源。
  21. 根据权利要求20所述的方法,其特征在于,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
    所述网络设备接收所述终端设备发送的第一随机接入前导序列,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
  22. 根据权利要求21所述的方法,其特征在于,所述第一随机接入前导序列是所述终端设备从多个随机接入前导序列组中选择的所述第一随机接入前导序列组的随机接入前导序列,所述多个随机接入前导序列组至少包括 所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
  23. 根据权利要求21或22所述的方法,其特征在于,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
  24. 根据权利要求20所述的方法,其特征在于,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
    所述网络设备接收所述终端设备在第一随机接入信道上发送的随机接入前导序列,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
  25. 根据权利要求24所述的方法,其特征在于,所述第一随机接入信道是所述终端设备从多个随机接入信道组中选择的所述第一随机接入信道组的随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
  26. 根据权利要求24或25所述的方法,其特征在于,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
  27. 根据权利要求20所述的方法,其特征在于,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
    所述网络设备接收所述终端设备在第一随机接入信道上发送的第一随机接入前导序列,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
  28. 根据权利要求27所述的方法,其特征在于,所述第一随机接入信道和第一随机接入前导序列的组合是所述终端设备从多个组合集合中选择的第一组合集合的随机接入信道和随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
  29. 根据权利要求27或28所述的方法,其特征在于,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
  30. 根据权利要求23、26和29中任一项所述的方法,其特征在于,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
  31. 根据权利要求20所述的方法,其特征在于,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
    所述网络设备接收所述终端设备通过无线资源控制RRC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
  32. 根据权利要求20所述的方法,其特征在于,所述网络设备接收终端设备发送的用于请求免授权传输资源的信息,包括:
    所述网络设备接收所述终端设备通过介质访问控制MAC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
  33. 根据权利要求31或32所述的方法,其特征在于,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
  34. 根据权利要求33所述的方法,其特征在于,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
  35. 根据权利要求31至34中任一项所述的方法,其特征在于,所述资源请求信息包括终端设备标识,所述方法还包括:
    所述网络设备根据所述终端设备标识,为不同的终端设备分配不同的免授权传输资源。
  36. 根据权利要求20至35中任一项所述的方法,其特征在于,所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
  37. 根据权利要求20至36中任一项所述的方法,其特征在于,所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
  38. 根据权利要求36或37所述的方法,其特征在于,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。
  39. 一种终端设备,其特征在于,包括:
    发送模块,用于向网络设备发送用于请求免授权传输资源的信息;
    接收模块,用于接收所述网络设备发送的资源指示信息,所述资源指示信息用于指示所述网络设备根据所述发送模块发送的所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源;
    确定模块,用于根据所述接收模块接收的所述资源指示信息,确定进行免授权传输的传输资源。
  40. 根据权利要求39所述的终端设备,其特征在于,所述发送模块具体用于:
    通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
  41. 根据权利要求40所述的终端设备,其特征在于,所述终端设备还包括:
    选择模块,用于在所述发送模块通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源之前,从多个随机接入前导序列组中选择所述第一随机接入前导序列组的所述第一随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
  42. 根据权利要求40或41所述的终端设备,其特征在于,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
  43. 根据权利要求39所述的终端设备,其特征在于,所述发送模块具体用于:
    通过在第一随机接入信道上发送随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
  44. 根据权利要求43所述的终端设备,其特征在于,所述终端设备还包括:
    选择模块,用于在所述发送模块通过在第一随机接入信道上发送随机接入前导序列之前,从多个随机接入信道组中选择所述第一随机接入信道组的 所述第一随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
  45. 根据权利要求43或44所述的终端设备,其特征在于,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
  46. 根据权利要求39所述的终端设备,其特征在于,所述发送模块具体用于:
    通过在第一随机接入信道上发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
  47. 根据权利要求46所述的终端设备,其特征在于,所述终端设备还包括:
    选择模块,用于在所述发送模块通过在第一随机接入信道上发送第一随机接入前导序列之前,从多个组合集合中选择第一组合集合的所述第一随机接入信道和第一随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
  48. 根据权利要求46或47所述的终端设备,其特征在于,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
  49. 根据权利要求42、45和48中任一项所述的终端设备,其特征在于,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
  50. 根据权利要求39所述的终端设备,其特征在于,所述发送模块具体用于:
    通过无线资源控制RRC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
  51. 根据权利要求39所述的终端设备,其特征在于,所述发送模块具体用于:
    通过介质访问控制MAC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
  52. 根据权利要求50或51所述的终端设备,其特征在于,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
  53. 根据权利要求52所述的终端设备,其特征在于,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
  54. 根据权利要求50至53中任一项所述的终端设备,其特征在于,所述资源请求信息包括终端设备标识。
  55. 根据权利要求39至54中任一项所述的终端设备,其特征在于,所述接收模块接收的所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
  56. 根据权利要求39至55中任一项所述的终端设备,其特征在于,所述接收模块接收的所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
  57. 根据权利要求55或56所述的终端设备,其特征在于,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。
  58. 一种网络设备,其特征在于,包括:
    接收模块,用于接收终端设备发送的用于请求免授权传输资源的信息;
    发送模块,用于向所述终端设备发送资源指示信息,所述资源指示信息用于指示所述网络设备根据所述接收模块接收的所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源。
  59. 根据权利要求58所述的网络设备,其特征在于,所述接收模块具体用于:
    接收所述终端设备发送的第一随机接入前导序列,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
  60. 根据权利要求59所述的网络设备,其特征在于,所述第一随机接入 前导序列是所述终端设备从多个随机接入前导序列组中选择的所述第一随机接入前导序列组的随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
  61. 根据权利要求59或60所述的网络设备,其特征在于,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
  62. 根据权利要求58所述的网络设备,其特征在于,所述接收模块具体用于:
    接收所述终端设备在第一随机接入信道上发送的随机接入前导序列,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
  63. 根据权利要求62所述的网络设备,其特征在于,所述第一随机接入信道是所述终端设备从多个随机接入信道组中选择的所述第一随机接入信道组的随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
  64. 根据权利要求62或63所述的网络设备,其特征在于,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
  65. 根据权利要求58所述的网络设备,其特征在于,所述接收模块具体用于:
    接收所述终端设备在第一随机接入信道上发送的第一随机接入前导序列,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
  66. 根据权利要求65所述的网络设备,其特征在于,所述第一随机接入信道和第一随机接入前导序列的组合是所述终端设备从多个组合集合中选择的第一组合集合的随机接入信道和随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于 请求授权传输资源。
  67. 根据权利要求65或66所述的网络设备,其特征在于,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
  68. 根据权利要求61、64和67中任一项所述的网络设备,其特征在于,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
  69. 根据权利要求58所述的网络设备,其特征在于,所述接收模块具体用于:
    接收所述终端设备通过无线资源控制RRC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
  70. 根据权利要求58所述的网络设备,其特征在于,所述接收模块具体用于:
    接收所述终端设备通过介质访问控制MAC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
  71. 根据权利要求69或70所述的网络设备,其特征在于,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
  72. 根据权利要求71所述的网络设备,其特征在于,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
  73. 根据权利要求69至72中任一项所述的网络设备,其特征在于,所述资源请求信息包括终端设备标识,所述网络设备还包括:
    处理模块,用于根据所述终端设备标识,为不同的终端设备分配不同的免授权传输资源。
  74. 根据权利要求58至73中任一项所述的网络设备,其特征在于,所述发送模块发送的所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
  75. 根据权利要求58至74中任一项所述的网络设备,其特征在于,所述发送模块发送的所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输 资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
  76. 根据权利要求74或75所述的网络设备,其特征在于,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。
  77. 一种终端设备,其特征在于,所述终端设备包括:处理器、存储器、发送器和接收器;
    其中,所述发送器调用所述存储器中存储的程序,以用于向网络设备发送用于请求免授权传输资源的信息;所述接收器调用所述存储器中存储的程序,以用于接收所述网络设备发送的资源指示信息,所述资源指示信息用于指示所述网络设备根据所述发送器发送的所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源;所述处理器调用所述存储器中存储的程序,以用于根据所述接收器接收的所述资源指示信息,确定进行免授权传输的传输资源。
  78. 根据权利要求77所述的终端设备,其特征在于,所述发送器具体用于:
    通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
  79. 根据权利要求78所述的终端设备,其特征在于,所述处理器还用于:
    在所述发送模块通过发送第一随机接入前导序列,向所述网络设备请求免授权传输资源之前,从多个随机接入前导序列组中选择所述第一随机接入前导序列组的所述第一随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
  80. 根据权利要求78或79所述的终端设备,其特征在于,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
  81. 根据权利要求77所述的终端设备,其特征在于,所述发送器具体用于:
    通过在第一随机接入信道上发送随机接入前导序列,向所述网络设备请 求免授权传输资源,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
  82. 根据权利要求81所述的终端设备,其特征在于,所述处理器还用于:
    在所述发送模块通过在第一随机接入信道上发送随机接入前导序列之前,从多个随机接入信道组中选择所述第一随机接入信道组的所述第一随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
  83. 根据权利要求81或82所述的终端设备,其特征在于,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
  84. 根据权利要求77所述的终端设备,其特征在于,所述发生器具体用于:
    通过在第一随机接入信道上发送第一随机接入前导序列,向所述网络设备请求免授权传输资源,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合包括至少一个随机接入信道和随机接入前导序列的组合。
  85. 根据权利要求84所述的终端设备,其特征在于,所述处理器还用于:
    在所述发送模块通过在第一随机接入信道上发送第一随机接入前导序列之前,从多个组合集合中选择第一组合集合的所述第一随机接入信道和第一随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
  86. 根据权利要求84或85所述的终端设备,其特征在于,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
  87. 根据权利要求80、83和86中任一项所述的终端设备,其特征在于,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
  88. 根据权利要求77所述的终端设备,其特征在于,所述发送器具体用于:
    通过无线资源控制RRC信令,向所述网络设备发送用于请求免授权传 输资源的资源请求信息。
  89. 根据权利要求77所述的终端设备,其特征在于,所述发送器具体用于:
    通过介质访问控制MAC信令,向所述网络设备发送用于请求免授权传输资源的资源请求信息。
  90. 根据权利要求88或89所述的终端设备,其特征在于,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
  91. 根据权利要求90所述的终端设备,其特征在于,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
  92. 根据权利要求88至91中任一项所述的终端设备,其特征在于,所述资源请求信息包括终端设备标识。
  93. 根据权利要求77至92中任一项所述的终端设备,其特征在于,所述接收器接收的所述资源指示信息包括用于指示免授权传输资源的时域位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
  94. 根据权利要求77至93中任一项所述的终端设备,其特征在于,所述接收器接收的所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
  95. 根据权利要求93或94所述的终端设备,其特征在于,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。
  96. 一种网络设备,其特征在于,所述网络设备包括:发送器和接收器;
    所述接收器用于接收终端设备发送的用于请求免授权传输资源的信息;所述发送器用于向所述终端设备发送资源指示信息,所述资源指示信息用于指示所述网络设备根据所述接收器接收的所述用于请求免授权传输资源的信息,为所述终端设备分配的免授权传输资源。
  97. 根据权利要求96所述的网络设备,其特征在于,所述接收器具体用于:
    接收所述终端设备发送的第一随机接入前导序列,其中,所述第一随机接入前导序列属于第一随机接入前导序列组,所述第一随机接入前导序列组用于请求免授权传输资源,所述第一随机接入前导序列组包括至少一个随机接入前导序列。
  98. 根据权利要求97所述的网络设备,其特征在于,所述第一随机接入前导序列是所述终端设备从多个随机接入前导序列组中选择的所述第一随机接入前导序列组的随机接入前导序列,所述多个随机接入前导序列组至少包括所述第一随机接入前导序列组和第二随机接入前导序列组,所述第二随机接入前导序列组用于请求授权传输资源。
  99. 根据权利要求97或98所述的网络设备,其特征在于,所述第一随机接入前导序列组包括M个第一随机接入前导序列子组,所述M个第一随机接入前导序列子组是根据传输特性来划分的。
  100. 根据权利要求96所述的网络设备,其特征在于,所述接收器具体用于:
    接收所述终端设备在第一随机接入信道上发送的随机接入前导序列,其中,所述第一随机接入信道属于第一随机接入信道组,所述第一随机接入信道组用于请求免授权传输资源,所述第一随机接入信道组包括至少一个随机接入信道。
  101. 根据权利要求100所述的网络设备,其特征在于,所述第一随机接入信道是所述终端设备从多个随机接入信道组中选择的所述第一随机接入信道组的随机接入信道,所述多个随机接入信道组至少包括所述第一随机接入信道组和第二随机接入信道组,所述第二随机接入信道组用于请求授权传输资源。
  102. 根据权利要求100或101所述的网络设备,其特征在于,所述第一随机接入信道组包括N个随机接入信道子组,所述N个随机接入信道子组是根据传输特性来划分的。
  103. 根据权利要求96所述的网络设备,其特征在于,所述接收器具体用于:
    接收所述终端设备在第一随机接入信道上发送的第一随机接入前导序列,其中,所述第一随机接入信道和第一随机接入前导序列的组合属于第一组合集合,所述第一组合集合用于请求免授权传输资源,所述第一组合集合 包括至少一个随机接入信道和随机接入前导序列的组合。
  104. 根据权利要求103所述的网络设备,其特征在于,所述第一随机接入信道和第一随机接入前导序列的组合是所述终端设备从多个组合集合中选择的第一组合集合的随机接入信道和随机接入前导序列的组合,所述多个组合集合至少包括所述第一组合集合和第二组合集合,所述第二组合集合用于请求授权传输资源。
  105. 根据权利要求103或104所述的网络设备,其特征在于,所述第一组合集合包括K个组合子集,所述K个组合子集是根据传输特性来划分的。
  106. 根据权利要求99、102和105中任一项所述的网络设备,其特征在于,所述传输特性包括时延特性、功耗特性和传输时间间隔TTI长度特性中的一种或多种。
  107. 根据权利要求96所述的网络设备,其特征在于,所述接收器具体用于:
    接收所述终端设备通过无线资源控制RRC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
  108. 根据权利要求96所述的网络设备,其特征在于,所述接收器具体用于:
    接收所述终端设备通过介质访问控制MAC信令,向所述网络设备发送的用于请求免授权传输资源的资源请求信息。
  109. 根据权利要求107或108所述的网络设备,其特征在于,所述资源请求信息包括传输特性信息,其中,所述传输特性信息用于指示所述终端设备的免授权传输资源的传输特性。
  110. 根据权利要求109所述的网络设备,其特征在于,所述传输特性信息包括时延特性信息、功耗特性信息和传输时间间隔TTI特性信息中的至少一种。
  111. 根据权利要求107至110中任一项所述的网络设备,其特征在于,所述资源请求信息包括终端设备标识,所述网络设备还包括处理器,所述处理器用于:
    根据所述终端设备标识,为不同的终端设备分配不同的免授权传输资源。
  112. 根据权利要求96至111中任一项所述的网络设备,其特征在于,所述发送器发送的所述资源指示信息包括用于指示免授权传输资源的时域 位置的信息、频域位置的信息、码域位置的信息和导频信息中的一种或多种的组合。
  113. 根据权利要求96至112中任一项所述的网络设备,其特征在于,所述发送器发送的所述资源指示信息包括免授权传输资源的索引、免授权传输资源的时域位置的索引、免授权传输资源的频域位置的索引、免授权传输资源的码域位置的索引和免授权传输资源的导频的索引中的一种或多种的组合。
  114. 根据权利要求112或113所述的网络设备,其特征在于,所述频域位置包括所述免授权传输资源在频域上占用的子带的位置。
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