WO2017206056A1 - 一种基于非授权频带的通信方法、相关设备及*** - Google Patents

一种基于非授权频带的通信方法、相关设备及*** Download PDF

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Publication number
WO2017206056A1
WO2017206056A1 PCT/CN2016/084055 CN2016084055W WO2017206056A1 WO 2017206056 A1 WO2017206056 A1 WO 2017206056A1 CN 2016084055 W CN2016084055 W CN 2016084055W WO 2017206056 A1 WO2017206056 A1 WO 2017206056A1
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Prior art keywords
unlicensed
channel
target
band
data transmission
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PCT/CN2016/084055
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English (en)
French (fr)
Inventor
潘志文
陈连东
刘楠
尤肖虎
彭文杰
罗海燕
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华为技术有限公司
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Priority to CN201680085519.1A priority Critical patent/CN109155922A/zh
Priority to PCT/CN2016/084055 priority patent/WO2017206056A1/zh
Publication of WO2017206056A1 publication Critical patent/WO2017206056A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a communication method, related device, and system based on an unlicensed frequency band.
  • LTE Long Term Evolution
  • the bandwidth of the licensed band is tight and requires authorization to use, resulting in a higher cost of using the licensed band.
  • the LTE system can be designed to operate in an unlicense band because there is more bandwidth available on the unlicensed band and can be used without authorization.
  • the system currently working in the unlicensed band includes a Wireless Local Area Networks ("WLAN”), such as Wireless Fidelity (“Wi-Fi”).
  • WLAN Wireless Local Area Networks
  • Wi-Fi Wireless Fidelity
  • Embodiments of the present invention provide a communication method, related device, and system based on an unlicensed frequency band, which can implement data transmission between data transmission devices on an unlicensed frequency band.
  • an embodiment of the present invention provides a communication method based on an unlicensed frequency band, where the method is applied to a first data transmission device, including:
  • the unlicensed channel is a channel in an unlicensed band.
  • Non-authorized band The length of the grant band subframe is the same as the length of the grant band subframe on the licensed band, and the unlicensed band subframe is aligned with the grant band subframe in the time domain.
  • the unlicensed channel may refer to one subframe on the unlicensed band.
  • the listening channel can be configured in each subframe on the unlicensed band.
  • an end time of the listening channel is aligned with an end time of a control channel in an authorized band subframe corresponding to the unlicensed band subframe in which the listening channel is located, and the length of the listening channel does not exceed the The length of the control channel.
  • the unlicensed frequency band subframe in which the target unlicensed channel is located is an unlicensed frequency band subframe in which the listening channel that is not occupied by the unlicensed channel is monitored, and the length after the listening channel in the unlicensed frequency band subframe is used for transmission.
  • Target data is used for transmission.
  • the end time of the listening channel is aligned with the start time of the control channel in the next subframe of the licensed band subframe corresponding to the unlicensed band subframe in which the listening channel is located.
  • the unlicensed frequency band subframe where the target unlicensed channel is located is the next subframe of the unlicensed frequency band subframe in which the listening channel that is not occupied by the unlicensed channel is monitored.
  • the location information of the target data is encapsulated in a control channel of an authorized band subframe corresponding to the unlicensed band subframe in which the target unlicensed channel is located.
  • the location information of the target data is encapsulated in a control channel of a next subframe of an authorized band subframe corresponding to the unlicensed band subframe in which the target unlicensed channel is located.
  • control channel for the target unlicensed channel, where the control channel includes the target data in a range of a control channel length in an authorized band subframe corresponding to the unlicensed band subframe where the target unlicensed channel is located Location information of the target unlicensed channel; or,
  • the unnecessary signal may be a random sequence code or a fixed sequence code, which does not include the target data to be transmitted, but only used to occupy the authorized frequency band subframe aligned with the target unlicensed channel.
  • the channel within the control channel length range prevents the target unlicensed channel from being preempted by other data transmission devices.
  • the target data corresponding to one or more user equipments may be transmitted on the unlicensed frequency band subframe where the target unlicensed channel is located, and the length of the target data corresponding to the one or more user equipments does not exceed the unlicensed frequency band subframe. length.
  • the higher the priority of the service corresponding to the target data the smaller the length of the configured listening channel.
  • the embodiment of the present invention further provides a communication method based on an unlicensed frequency band, where the method is applied to the second data transmission device, including:
  • the location information of the target data may be encapsulated in a control channel of an authorized frequency band or a control channel of an unlicensed frequency band.
  • the control channel of the licensed band may be a control channel in an authorized band subframe corresponding to the unlicensed band subframe in which the target data is located (ie, the “target unlicensed channel”), or an unlicensed band subframe in which the target data is located.
  • a control channel in a next subframe of the corresponding licensed band subframe; the control channel of the unlicensed band may be a control channel in an unlicensed band subframe in which the target data is located.
  • the obtaining the location information of the target data sent by the first data transmission device in the unlicensed band includes:
  • the location information of the user data is obtained, and the location information of the user data is used as the location information of the target data transmitted by the first data transmission device in the unlicensed band.
  • an embodiment of the present invention further provides a communication device based on an unlicensed band, including a monitoring unit, a channel determining unit, and a data transmission unit, and the unlicensed band-based communication device.
  • the embodiment of the present invention further provides a communication device based on an unlicensed band, including a location acquiring unit and a data acquiring unit, where the unlicensed band-based communication device implements the second aspect based on the unauthorized device Part or all of the steps of the communication method of the frequency band.
  • an embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a program, where the program includes some or all of the steps of the unlicensed band-based communication method of the first aspect described above. .
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a program, and the program includes some or all of the steps of the second aspect of the communication method based on the unlicensed band. .
  • the embodiment of the present invention further provides a data transmission device, including: a communication interface, a memory, and a processor, wherein the processor is respectively connected to the communication interface and the memory; wherein
  • the memory is used to store driver software
  • the processor reads the driver software from the memory and performs some or all of the steps of the first aspect of the unlicensed band based communication method under the action of the driver software.
  • the embodiment of the present invention further provides a data transmission device, including: a communication interface, a memory, and a processor, wherein the processor is respectively connected to the communication interface and the memory; wherein
  • the memory is used to store driver software
  • the processor reads the driver software from the memory and performs some or all of the steps of the second aspect of the unlicensed band based communication method under the action of the driver software.
  • the embodiment of the present invention further provides a communication system based on an unlicensed frequency band, including a first data transmission device and a second data transmission device, where the first data transmission device includes the foregoing An unlicensed band communication device, the second data transmission device comprising the unlicensed band based communication device of the above fourth aspect.
  • the first data transmission monitors whether the unlicensed channel is idle through the configured listening channel, thereby preempting the unlicensed channel when the unlicensed channel is idle, and transmitting the unlicensed channel to the second data transmission device. Transmitting target data to be transmitted, and transmitting location information of the target data on the unlicensed channel to the second data transmission device, thereby implementing between the data transmission devices Data transmission over unlicensed bands enables coexistence of existing communication systems with other systems on unlicensed bands.
  • FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a communication method based on an unlicensed band according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a frame structure of an authorized frequency band and an unlicensed frequency band according to an embodiment of the present invention
  • FIG. 4a is a schematic diagram of a location information indication manner according to an embodiment of the present invention.
  • FIG. 4b is a schematic diagram of another location information indication manner according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a frame structure of another licensed frequency band and an unlicensed frequency band according to an embodiment of the present invention
  • FIG. 6 is a schematic flowchart diagram of another communication method based on an unlicensed band according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a communication device based on an unlicensed band according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of another communication device based on an unlicensed band according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a communication system based on an unlicensed band according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a data transmission device according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of another data transmission device according to an embodiment of the present invention.
  • the technical solutions of the embodiments of the present invention can be applied to wireless communication systems of various standards, such as Code Division Multiple Access (CDMA) (3G) systems, and Wideband Code Division Multiple Access ( Wideband Code Division Multiple Access (WCDMA) (3G) system, Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) (3G) system, Long Term Evolution (Long)
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • Long Long Term Evolution
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • the method of the embodiment of the present invention may also be used in a future network, such as a 5G network, which is not limited in the embodiment of the present invention.
  • the user equipment may also be referred to as a terminal (Mobile), a mobile station ("MS” for short), or a mobile terminal (Mobile Terminal).
  • the user equipment can be a mobile terminal such as a mobile telephone (or "cellular" telephone) and a computer with a mobile terminal.
  • the base station may be an evolved base station in LTE, such as an eNB or an e-NodeB (evolutional Node B), or a base station in a 3G network, or a base station in a future network, and the like, which is not limited in the embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present invention.
  • the communication system includes a base station and at least one user equipment (only three user equipments are shown in FIG. 1 ), and the base station and the user equipment can pass through an LTE network, a 3G network, or other network. Communicate to achieve data transmission.
  • the primary cell is an existing communication system cell, and the secondary cell uses an unlicensed frequency band.
  • the embodiment of the invention discloses a communication method based on an unlicensed frequency band, a related device and a system, which can implement data transmission between a base station and a user equipment on an unlicensed frequency band. The details are explained below.
  • FIG. 2 is a schematic flowchart diagram of a communication method based on an unlicensed band according to an embodiment of the present invention.
  • the method in the embodiment of the present invention may be applied to a first data transmission device, where the first data transmission device may be a transmitting end in a communication system, specifically a base station in the foregoing communication system, or may be User equipment in a communication system.
  • the embodiment of the present invention The communication method based on the unlicensed band may include the following steps:
  • the unlicensed channel involved in the embodiment of the present invention refers to a channel that is in an unlicensed frequency band.
  • the wireless resources are fully invoked, and the system throughput is improved.
  • the length of the subframe on the unlicensed band may be consistent with the length of the subframe on the licensed band, that is, when the base station and the user equipment communicate through the unlicensed band, the unlicensed band inherits the existing wireless
  • the frame length is aligned with the subframes on the licensed band in the time domain.
  • the unlicensed channel may refer to one subframe on the unlicensed band.
  • the LTE system is taken as an example.
  • One radio frame is 10 ms, and is divided into 10 subframes, each subframe is 1 ms, and each subframe is further divided into two slots, and each slot corresponds to 7 Symbols.
  • each subframe is divided into a control channel and a shared channel, for example, the first 1-4 symbols of each subframe are control channels, and are used for transmitting control information, where the control information includes data of user equipments in the subframe (referred to as “users for short”
  • the information of the location of the data, or "UE data” are shared channels, which are used to transmit user data.
  • the listening channel may be configured in each subframe on the unlicensed frequency band, and the location in the unlicensed frequency band subframe may correspond to the control channel in the licensed frequency band subframe, that is, the end time of the listening channel and the licensed frequency band.
  • the control channel end time of the subframe is aligned, or the listening channel is at the last position of the unlicensed band subframe, that is, the end time of the listening channel is aligned with the start time of the licensed band subframe, and the like. It should be understood that, in the scenario that the end time of the listening channel is aligned with the start time of the licensed band subframe, whether the unlicensed channel monitored by the listening channel can be specifically refers to the next subframe of the unlicensed band subframe in which the listening channel is located. .
  • step 102 may be performed to preempt the idle unlicensed channel for data transmission; otherwise, the monitoring may continue until an idle unlicensed channel is detected.
  • the unlicensed channel when it is detected that the current unlicensed channel is not occupied, that is, the current unlicensed channel is idle, the unlicensed channel may be preempted, and the target to be sent is sent to the second data transmission device through the unlicensed channel. data.
  • the second data transmission device needs to be notified of the location of the target data in the preempted unlicensed channel, that is, the target unlicensed channel, so that the second data transmission device acquires the target data based on the location. Thereby, data transmission between the data transmission devices on the unlicensed frequency band is realized, and the coexistence of the existing communication system and other systems on the unlicensed frequency band is realized.
  • the second data transmission device may be a user equipment in the communication system, or may be a base station. Specifically, if the first data transmission device is a base station, the second data transmission device is a user equipment in the base station cell; if the first data transmission device is a user equipment, the second data transmission device is a base station.
  • the location information of the target data sent by the unlicensed channel may be indicated by the authorized frequency band, or may be indicated by the unlicensed frequency band, which is not limited by the embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a frame structure of an authorized frequency band and an unlicensed frequency band according to an embodiment of the present invention.
  • the first 1-4 symbols in each subframe is physical downlink control.
  • the channel Physical Downlink Control Channel, referred to as "PDCCH"
  • PDSCH Physical Downlink Shared Channel
  • the same frame length as the existing LTE frame structure may be adopted on the unlicensed band, that is, the length of the unlicensed band subframe and the authorized band subframe are the same, and the subframe on the licensed band is Aligned on the time domain.
  • the end time of the listening channel is aligned with the end time of the corresponding PDCCH on the licensed frequency band, and the length of the listening channel may be configured not to exceed the PDCCH. length.
  • the target unlicensed channel may refer to a subframe in which the listening channel is located on the unlicensed band when the idle unlicensed channel is monitored.
  • the listening channel may be introduced at an unlicensed band position corresponding to the PDCCH in the licensed band subframe, as shown in FIG. 3, assuming that the length of the listening channel in the time domain is Tsensing, in the listening On the channel, the eNB can always monitor whether the channel on the unlicensed band is occupied, for example, the existing wireless local area network (WLAN) system occupies the transmission data.
  • WLAN wireless local area network
  • the eNB waits for the next listening channel to continue to monitor; if in the listening channel, the unlicensed band The eNB can immediately preempt the idle unlicensed channel corresponding to the listening channel, that is, the unlicensed band subframe where the listening channel is located, and the idle unlicensed channel can serve as the target non-transmission target data.
  • Authorized channel If the channel on the unlicensed band is busy, if the channel is busy, the eNB waits for the next listening channel to continue to monitor; if in the listening channel, the unlicensed band The eNB can immediately preempt the idle unlicensed channel corresponding to the listening channel, that is, the unlicensed band subframe where the listening channel is located, and the idle unlicensed channel can serve as the target non-transmission target data. Authorized channel.
  • the listening channel end time is aligned with the PDCCH end time of the corresponding subframe on the licensed frequency band, and the listening channel start time is configurable, that is, the length of the listening channel in the time domain (ie, the “Tsensing”) is Configured.
  • the eNB can adjust the length of the listening channel in the time domain according to the service requirement. For example, when the priority of the service to be transmitted, that is, the service corresponding to the target data, is higher, the eNB can configure the listening channel time domain length to be shorter. The eNB can make it easier to preempt the channel; if the priority of the service to be transmitted is lower, the eNB can configure the listening channel time domain length to be longer.
  • the listening channel length is configurable to not exceed the length of the PDCCH on the corresponding licensed band subframe.
  • the data transmitted on the unlicensed band may be indicated by the PDCCH on the licensed band, and the target data and its location are Information is sent to the UE. Then, in the process of receiving data, the UE may read the PDCCH on the licensed frequency band, and obtain the downlink data of the UE in the unlicensed frequency band, that is, the location of the target data.
  • the location refers to an RB or RE location on a subframe where the target unlicensed channel is located, and the UE may determine a corresponding RB or RE on the target unlicensed channel according to the read location information, and the RB is in the RB. Or the RE is decoded to obtain the target data.
  • the PDCCH may also indicate the location of the downlink data of the UE in the sub-frame of the licensed band, and details are not described herein again.
  • the location indication manner may be determined according to the requirement, for example, the PDCCH may be indicated by the PDCCH.
  • the authorized frequency band subframe on the authorized frequency band and the PDCCH The location information of the UE data in the aligned subframe, that is, the location information of the target data is encapsulated in the control channel of the authorized frequency band subframe corresponding to the unlicensed frequency band subframe where the target unlicensed channel is located; or indicated by the PDCCH on the unlicensed frequency band.
  • the location information of the UE data in the previous subframe of the subframe aligned with the authorized frequency band subframe of the PDCCH, that is, the location information of the target data is encapsulated in the authorized frequency band subframe corresponding to the unlicensed frequency band subframe where the target unlicensed channel is located.
  • the next sub-frame is in the control channel.
  • FIG. 4a is a schematic diagram of a location information indication manner according to an embodiment of the present invention.
  • the PDCCH on the licensed frequency band indicates that the UE data in the unlicensed band subframe aligned with the authorized frequency band subframe of the PDCCH is the location information of the target data, that is, the location information of the target data is encapsulated.
  • the control channel of the licensed band subframe corresponding to the unlicensed band subframe where the target unlicensed channel for data transmission is located.
  • the location information of the indicated target data of the eNB on the PDCCH is not necessarily valid. .
  • the UE If the eNB successfully preempts the channel on the unlicensed band, that is, the target unlicensed channel, the UE indicates, by using the PDCCH on the licensed band, that the UE data of the location indicated by the PDCCH in the aligned subframe on the unlicensed band can be read; If the channel on the unlicensed band is successfully preempted, the UE reads the UE data in the location indicated by the PDCCH on the unlicensed band, and the UE does not encapsulate the UE data corresponding to the UE. When the UE cannot decode the UE data at the location, the UE may discard the UE data at the location.
  • FIG. 4b is a schematic diagram of another location information indication manner provided by an embodiment of the present invention.
  • the PDCCH on the licensed frequency band indicates the location information of the target data in the previous subframe (or “previous subframe”) of the subframe aligned with the authorized frequency band subframe of the PDCCH in the unlicensed frequency band. That is, the location information of the target data is encapsulated in a control channel of a next subframe of the licensed band subframe corresponding to the unlicensed band subframe in which the target unlicensed channel is located.
  • the eNB may encapsulate the UE data, that is, the target data, on the idle unlicensed channel, that is, the target unlicensed channel, and may further perform the PDCCH on the next subframe of the authorized band subframe corresponding to the target unlicensed channel.
  • the location of the target data is effectively indicated.
  • the UE needs to pre-store the UE data of one (or more) unlicensed band subframes, and waits for the indication of the PDCCH of the subframe on the next licensed band after the pre-stored subframe data, if The location information of the UE data in the pre-stored subframe is indicated in the PDCCH, that is, when the UE data is indicated, the UE may read the UE data in the pre-stored unlicensed frequency band subframe according to the location information indicated by the PDCCH.
  • the number of UEs read is the target data sent by the eNB; if the PDCCH does not indicate the location information of the UE data in the pre-stored subframe, the UE may discard the UE data of the pre-stored unlicensed band subframe.
  • the embodiment of the present invention is further applicable to a multi-carrier scenario, where the PDCCH indicates the location of the UE data, and further indicates, on which unlicensed band carrier the UE data is located. Then, the UE may read the UE data from the location indicated by the location information on the unlicensed band carrier according to the indicated carrier and location information, thereby implementing cross-carrier indication.
  • FIG. 2 and FIG. 5 is a schematic diagram of a frame structure of another licensed frequency band and an unlicensed frequency band according to an embodiment of the present invention.
  • the end time of the interception channel is aligned with the start time of the PDCCH, that is, the control channel on the licensed frequency band (ie, aligned with the authorized frequency band subframe, or referred to as The listening channel end time is aligned with the authorized band subframe end time).
  • the target unlicensed channel may be the next subframe of the subframe in which the listening channel is located in the unlicensed band, that is, if the unlicensed band is idle during the listening channel duration, the listening channel may be located.
  • the next subframe of the licensed band subframe serves as the target unlicensed channel.
  • the data transmission process between the eNB and the UE is also described by taking the first data transmission device as a base station, such as an eNB, and the second data transmission device as a UE.
  • the listening channel end time on the unlicensed band is aligned with the authorized band subframe end time, wherein the listening channel duration can be configured by the eNB.
  • the eNB may always monitor whether the channel on the unlicensed band is occupied within the duration of the listening channel. If the eNB monitors that the channel on the unlicensed band is busy, it waits for the next listening channel to continue to listen; if the current unlicensed channel is always in the idle state within the listening channel duration, the eNB can immediately preempt the subchannel of the unlicensed channel.
  • the unlicensed channel corresponding to the next subframe of the frame, and the preempted unlicensed channel is used as the target unlicensed channel to perform data transmission based on the target unlicensed channel.
  • the start time of the preempted unlicensed channel (which can be regarded as the next subframe of the intercept channel) is synchronized with the start time of the subframe on the licensed band, that is, the start time of the target unlicensed channel and the target unlicensed channel.
  • the start time of the authorized band subframe corresponding to the subframe in which the subframe is located is aligned.
  • the eNB may communicate with the UE in different manners within the length of the control channel in the licensed band subframe.
  • the eNB may send an unnecessary signal on the target unlicensed band channel, that is, the target unlicensed channel, within the length range of the licensed band subframe PDCCH length corresponding to the target unlicensed channel.
  • Target data that needs to be transmitted is not sent.
  • the unnecessary signal may be a random sequence code or a fixed sequence code, and is only used to occupy a channel within a PDCCH length range in an authorized band subframe aligned with the target unlicensed channel, to prevent the target unlicensed channel from being used by the other.
  • the data transmission device preempts so that data can be started to be transmitted through the target unlicensed channel at the end of the QoS band subframe PDCCH.
  • the location information of the UE data on the unlicensed frequency band may be indicated by the PDCCH on the licensed frequency band, that is, the location information of the target data is encapsulated in the authorized frequency band subframe corresponding to the unlicensed frequency band subframe where the target unlicensed channel is located.
  • the PDCCH or the next subframe
  • the difference from the foregoing embodiment is that the PDCCH in the embodiment of the present invention is The indication is always valid.
  • a control channel such as a PDCCH
  • the target PDCCH indicates that the target data is not authorized in the target within the PDCCH length range in the authorized band subframe corresponding to the target unlicensed channel.
  • Location information of the channel may be configured to be consistent with the length of the PDCCH of the licensed band subframe, or may be separately configured, which is not limited in the embodiment of the present invention.
  • the UE can learn that the UE data is located at the location where the unlicensed channel is located by reading the PDCCH on the unlicensed band.
  • the target data may be immediately sent through the target unlicensed channel, that is, the target unlicensed channel is used to send the UE data, within the length of the unlicensed band subframe where the target unlicensed channel is located.
  • the location of the UE data in the target unlicensed channel may still be indicated by the PDCCH on the licensed frequency band.
  • the target data corresponding to one or more user equipments may be transmitted on the unlicensed frequency band sub-frame in which the target unlicensed channel is located, to improve the bandwidth resource utilization, and the length of the target data corresponding to the one or more user equipments does not exceed the length.
  • the length of the unlicensed band subframe may be transmitted on the unlicensed frequency band sub-frame in which the target unlicensed channel is located, to improve the bandwidth resource utilization, and the length of the target data corresponding to the one or more user equipments does not exceed the length.
  • FIG. 6 is a schematic flowchart diagram of another communication method based on an unlicensed band according to an embodiment of the present invention.
  • the method in the embodiment of the present invention may be applied to a second data transmission device, where the second data transmission device is a receiving end in the communication system, and specifically may be the foregoing communication system.
  • the user equipment in the system may also be a base station in the communication system.
  • the unlicensed band-based communication method in the embodiment of the present invention may include the following steps:
  • the location information of the target data is encapsulated in a control channel of an authorized frequency band or a control channel of an unlicensed frequency band.
  • the control channel of the licensed band is a control channel in an authorized band subframe corresponding to the unlicensed band subframe of the target data (ie, the “target unlicensed channel”), or the unlicensed band subframe corresponding to the target data.
  • the control channel in the next subframe of the licensed band subframe; the control channel of the unlicensed band is the control channel in the unlicensed band subframe in which the target data is located.
  • the second data transmission device can read the target data from the corresponding unlicensed channel based on the indication of the location information.
  • the process of receiving data by the UE is described by using the first data transmission device as a base station, such as an eNB, and the second data transmission device as a UE.
  • the UE may decode the UE data of the unlicensed channel indicated by the location information. If the decoding succeeds, the UE data of the location is used as the target data to be received; otherwise, the UE may Discard the UE data at this location.
  • the location information of the target data is encapsulated in a control channel of a next subframe of the authorized frequency band subframe corresponding to the unlicensed frequency band subframe in which the target data is located, that is, the data is in front and the location information is in the back
  • the acquiring the location information of the target data that is sent by the first data transmission device in the unlicensed frequency band may be specifically: storing user data that is sent by the first data transmission device by using the current unlicensed channel; and detecting the current unlicensed channel.
  • the location information of the user data in the current unlicensed channel is included in the control channel of the next subframe of the licensed band subframe corresponding to the unlicensed band subframe; if yes, acquiring the location information of the user data, and The location information of the user data is used as location information of the target data transmitted by the first data transmission device in the unlicensed band.
  • the first data transmission device is a base station, such as an eNB
  • the second data transmission device is a UE.
  • the PDCCH on the licensed frequency band may indicate an authorized frequency on the unlicensed frequency band and the PDCCH.
  • the eNB may determine whether there is downlink data encapsulated with the UE, that is, the target data, on the unlicensed band subframe, so that the next time the target data is present, the next time the authorized data sub-frame in which the target data is located is aligned
  • the location of the target data is effectively indicated on the PDCCH of the subframe.
  • the UE needs to pre-store data of one (or more) unlicensed band subframes, and waits for an indication of the PDCCH of the subframe on the next licensed band after the pre-stored subframe data, if the pre-stored is indicated in the PDCCH.
  • the location information of the UE data on the subframe that is, when the UE data is indicated, the UE may read the UE data in the pre-stored unlicensed frequency band subframe according to the location information indicated by the PDCCH, and the number of read UEs is Target data sent by the eNB; if the PDCCH does not indicate location information of the UE data in the pre-stored subframe, the UE may discard the UE data of the pre-stored unlicensed band subframe. Therefore, the UE can read the target data that needs to be received from the pre-stored data according to the location information of the target data on the unlicensed frequency band.
  • the first data transmission device monitors whether the unlicensed channel is idle through the configured listening channel, thereby preempting the unlicensed channel when the unlicensed channel is idle, and transmitting the second data through the unlicensed channel.
  • the device transmits the target data that needs to be transmitted, and sends the location information of the target data on the unlicensed channel to the second data transmission device, thereby implementing data transmission between the data transmission devices on the unlicensed frequency band, and implementing the existing communication system. Coexistence with other systems on the unlicensed band.
  • the unlicensed band channel preemption is performed in the radio subframe, such as the LTE sub-frame length, by using the interception channel, thereby realizing the use of the contention mode to obtain the unlicensed band resource, which follows the unlicensed band and listens first.
  • the effective cooperation with the system on the existing unlicensed frequency band and the full utilization of the unlicensed frequency band resources are realized.
  • the LTE user is directly offloaded to the WLAN, and the embodiment of the present invention implements LTE and Systems on existing unlicensed bands, such as Wi-Fi, coexist on unlicensed bands, enabling higher overall system throughput.
  • FIG. 7 is a schematic structural diagram of a communication device based on an unlicensed band according to an embodiment of the present invention.
  • the device in the embodiment of the present invention may be configured in a first data transmission device, where the first data transmission device may be a transmitting end in the communication system, specifically a base station in the foregoing communication system, or may be User equipment in a communication system.
  • the unlicensed band-based communication apparatus may include a listening unit 11, a channel determining unit 12, and a data transmission unit 13. among them,
  • the monitoring unit 11 is configured to monitor whether the unlicensed channel is occupied by the configured listening channel when there is target data that needs to be sent through the unlicensed band.
  • the unlicensed channel is a channel in an unlicensed band, and specifically may correspond to a subframe on an unlicensed band.
  • the channel determining unit 12 is configured to preempt the unlicensed channel when the intercepting unit 11 detects that the unlicensed channel is not occupied, and use the unlicensed channel as a target for data transmission. Authorized channel.
  • the data transmission unit 13 is configured to send the target data to the second data transmission device by using the target unlicensed channel, and send the target data to the target unlicensed channel to the second data transmission device. location information.
  • the end time of the listening channel is aligned with the end time of the control channel in the authorized band subframe corresponding to the unlicensed band subframe in which the listening channel is located, and the length of the listening channel does not exceed The length of the control channel.
  • the unlicensed band subframe in which the target unlicensed channel is located is an unlicensed band subframe in which the listening channel that is not occupied by the unlicensed channel is monitored.
  • the end time of the listening channel is aligned with the start time of the control channel in the next subframe of the licensed band subframe corresponding to the unlicensed band subframe in which the listening channel is located.
  • the unlicensed frequency band subframe where the target unlicensed channel is located is the next subframe of the unlicensed frequency band subframe in which the listening channel that is not occupied by the unlicensed channel is monitored.
  • the listening channel may be configured in each subframe on the unlicensed frequency band, and the location in the unlicensed frequency band subframe may correspond to the control channel in the licensed frequency band subframe, that is, the end time and authorization of the listening channel.
  • the control channel end time of the frequency band subframe is aligned, or the listening channel is at the last position of the unlicensed frequency band subframe, that is, the end time of the listening channel is aligned with the start time of the authorized frequency band subframe, and the like.
  • the higher the priority of the service corresponding to the target data the smaller the length of the configured listening channel.
  • the location information of the target data is encapsulated in the target unlicensed channel.
  • the location information of the target data is encapsulated in a control channel of a next subframe of the licensed frequency band subframe corresponding to the unlicensed frequency band subframe where the target unlicensed channel is located.
  • the data transmission unit 13 may be further configured to send, by using the target unlicensed channel, an occupied channel, within a control channel length range in an authorized frequency band subframe corresponding to the unlicensed frequency band subframe where the target unlicensed channel is located. Useless signal.
  • the unnecessary signal may be a random sequence code or a fixed sequence code, which does not include target data to be transmitted, but only used to occupy a control channel length range in an authorized band subframe aligned with the target unlicensed channel.
  • the internal channel prevents the target unlicensed channel from being preempted by other data transmission devices.
  • the data transmission unit 13 may be further configured to configure a control channel for the target unlicensed channel within a control channel length range in an authorized frequency band subframe corresponding to the unlicensed frequency band subframe where the target unlicensed channel is located, configured.
  • the control channel includes location information of the target data on the target unlicensed channel.
  • the location information of the target data transmitted through the unlicensed channel may be indicated by the authorized frequency band, or may be indicated by the unlicensed frequency band, which is not limited by the embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of another communication device based on an unlicensed band according to an embodiment of the present invention.
  • the device in the embodiment of the present invention may be configured in a second data transmission device, where the first data transmission device may be a receiving end in the communication system, specifically a user equipment in the foregoing communication system, or may be A base station in the communication system.
  • the unlicensed band-based communication device in the embodiment of the present invention may include a location acquiring unit 21 and a data acquiring unit 22. among them,
  • the location obtaining unit 21 is configured to acquire location information of the target data sent by the first data transmission device in an unlicensed band.
  • the location information of the target data is encapsulated in a control channel of an authorized frequency band or a control channel of an unlicensed frequency band.
  • the control channel of the licensed band is an unlicensed frequency of the target data a control channel in a licensed band subframe corresponding to a subframe (ie, the "target unlicensed channel"), or a control channel in a next subframe of the licensed band subframe corresponding to the unlicensed band subframe in which the target data is located;
  • the control channel of the unlicensed band is a control channel in an unlicensed band subframe in which the target data is located.
  • the data acquiring unit 22 is configured to acquire, according to the location information of the unlicensed band, the target data that is sent by the first data transmission device by using an unlicensed band.
  • the data acquiring unit 22 may read the target data from the corresponding unlicensed channel based on the indication of the location information. .
  • the location obtaining unit 21 may be specifically configured to:
  • the location information of the user data is obtained, and the location information of the user data is used as the location information of the target data transmitted by the first data transmission device in the unlicensed band.
  • the first data transmission device monitors whether the unlicensed channel is idle through the configured listening channel, thereby preempting the unlicensed channel when the unlicensed channel is idle, and transmitting the second data through the unlicensed channel.
  • the device transmits the target data that needs to be transmitted, and sends the location information of the target data on the unlicensed channel to the second data transmission device, thereby implementing data transmission between the data transmission devices on the unlicensed frequency band, and implementing the existing communication system. Coexistence with other systems on the unlicensed band.
  • the unlicensed band channel preemption is performed in the radio subframe, such as the LTE sub-frame length, by using the interception channel, thereby realizing the use of the contention mode to obtain the unlicensed band resource, which follows the unlicensed band and listens first.
  • the radio subframe such as the LTE sub-frame length
  • the interception channel thereby realizing the use of the contention mode to obtain the unlicensed band resource, which follows the unlicensed band and listens first.
  • FIG. 9 is a schematic structural diagram of a communication system based on an unlicensed band according to an embodiment of the present invention.
  • the system according to the embodiment of the present invention includes a first data transmission device 1 and a second data transmission device 2;
  • the first data transmission device 1 is configured to: when there is target data that needs to be sent through an unlicensed frequency band, monitor whether an unlicensed channel is occupied by using a configured listening channel, where the unlicensed channel is a channel in an unlicensed band; If not, preempting the unlicensed unlicensed channel and using the unlicensed channel as a target unlicensed channel for performing data transmission; transmitting, by using the target unlicensed channel, the second data transmission device Target data, and transmitting, to the second data transmission device 2, location information of the target data on the target unlicensed channel;
  • the second data transmission device 2 is configured to receive location information of the target data sent by the first data transmission device 1 on the target unlicensed channel; and locate information on the target unlicensed channel according to the target data. Obtaining the target data that is sent by the first data transmission device 1 through the target unlicensed channel.
  • the second data transmission device is a user equipment in the base station cell; if the first data transmission device is a user equipment, the second data transmission device is a base station.
  • the first data transmission device may be specifically referred to the related descriptions of the corresponding embodiments in FIG. 1-5 and FIG. 7.
  • the second data transmission device may refer to the related descriptions of the corresponding embodiments in FIG. 6 and FIG. 8 , and details are not described herein again.
  • the first data transmission device monitors whether the unlicensed channel is idle through the configured listening channel, thereby preempting the unlicensed channel when the unlicensed channel is idle, and transmitting the second data through the unlicensed channel.
  • the device transmits the target data that needs to be transmitted, and sends the location information of the target data on the unlicensed channel to the second data transmission device, thereby implementing data transmission between the data transmission devices on the unlicensed frequency band, and implementing the existing communication system. Coexistence with other systems on the unlicensed band.
  • FIG. 10 is a schematic structural diagram of a data transmission device according to an embodiment of the present invention.
  • the data transmission device in the embodiment of the present invention includes: a communication interface 300, and a memory 200.
  • the processor 100, the processor 100 is connected to the communication interface 300 and the memory 200, respectively.
  • the memory 200 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.
  • the communication interface 300, the memory 200, and the processor 100 may be connected to each other through a bus, or may be connected by other means. In the present embodiment, a bus connection will be described.
  • the data transmission device in the embodiment of the present invention may be opposite to the first data transmission device in the foregoing FIG. 1-9.
  • the memory 200 is configured to store driver software
  • the processor 100 reads the driver software from the memory and executes it under the action of the driver software:
  • the unlicensed channel is a channel in an unlicensed band
  • the other data transmission device may correspond to the second data transmission device described above.
  • an end time of the listening channel is aligned with an end time of a control channel in an authorized band subframe corresponding to the unlicensed band subframe in which the monitoring channel is located, and the length of the listening channel does not exceed the control channel. length.
  • the end time of the listening channel is aligned with the start time of the control channel in the next subframe of the licensed band subframe corresponding to the unlicensed band subframe in which the listening channel is located.
  • the location information of the target data is encapsulated in a control channel of an authorized frequency band subframe corresponding to the unlicensed frequency band subframe where the target unlicensed channel is located.
  • the location information of the target data is encapsulated in a control channel of a next subframe of the licensed frequency band subframe corresponding to the unlicensed frequency band subframe where the target unlicensed channel is located.
  • the processor 100 reads the driver software from the memory 200 and, under the action of the driver software, is further configured to perform the following steps:
  • control channel for the target unlicensed channel, where the control channel is configured, within a control channel length range in an authorized band subframe corresponding to the unlicensed band subframe where the target unlicensed channel is located Include location information of the target data on the target unlicensed channel.
  • the higher the priority of the service corresponding to the target data the smaller the length of the configured listening channel.
  • FIG. 11 is a schematic structural diagram of another data transmission device according to an embodiment of the present invention.
  • the data transmission device of the embodiment of the present invention includes: a communication interface 600, and a memory. 500 and a processor 400, the processor 400 being connected to the communication interface 600 and the memory 500, respectively.
  • the memory 500 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.
  • the communication interface 600, the memory 500, and the processor 400 may be connected to each other through a bus, or may be connected by other means. In the present embodiment, a bus connection will be described.
  • the data transmission device in the embodiment of the present invention may correspond to the second data transmission device in the foregoing FIG. 1-9, and may be specifically a user equipment or a base station in a communication network. 1-9 corresponds to a description of the second data transmission device in the embodiment. among them,
  • the memory 500 is configured to store driver software
  • the processor 400 reads the driver software from the memory and executes it under the action of the driver software:
  • the other data transmission device may correspond to the first data transmission device described above.
  • the processor 400 reads the driver software from the memory 500 and performs the acquiring location information of the target data sent by another data transmission device in an unlicensed band under the action of the driver software. Specifically perform the following steps:
  • the disclosed apparatus and method 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, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as the unit 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 purpose of the solution of the embodiment.
  • 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 hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform the methods of the various embodiments of the present invention. Part of the steps.
  • 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, which can store program codes. .

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Abstract

本发明实施例公开了一种基于非授权频带的通信方法、相关设备及***，其中，所述方法包括：通过配置的监听信道监听非授权信道是否被占用，所述非授权信道为处于非授权频带的信道；若否，则抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道；通过所述目标非授权信道向另一数据传输设备发送需要传输的目标数据，并向所述另一数据传输设备发送所述目标数据在所述目标非授权信道的位置信息。采用本发明实施例，可有效实现数据传输设备之间在非授权频带上的数据传输。

Description

一种基于非授权频带的通信方法、相关设备及*** 技术领域
本发明涉及通信技术领域，尤其涉及一种基于非授权频带的通信方法、相关设备及***。
背景技术
目前，长期演进(Long Term Evolution，简称为“LTE”)***工作于授权(license)频带，该授权频带的带宽资源较为紧张，需要授权才能使用，导致该授权频带的使用成本较高。为降低成本，可设计将LTE***工作于非授权(unlicense)频带，因该非授权频带上的可用带宽较多，且无需授权即可使用。
在实际通信中，目前工作于该非授权频带的***包括无线局域网(Wireless Local Area Networks，简称为“WLAN”)，如无线保真(Wireless Fidelity，简称为“Wi-Fi”)。由此，如何实现LTE与非授权频带上其它***的共存，即如何实现基站与用户设备在非授权频带上的数据传输成为关键。
发明内容
本发明实施例提供一种基于非授权频带的通信方法、相关设备及***，能够实现数据传输设备之间在非授权频带上的数据传输。
第一方面，本发明实施例提供了一种基于非授权频带的通信方法，所述方法应用于第一数据传输设备中，包括：
通过配置的监听信道监听非授权信道是否被占用；
若否，则抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道；
通过所述目标非授权信道向第二数据传输设备发送需要传输的目标数据，并向所述第二数据传输设备发送所述目标数据在所述目标非授权信道的位置信息。
其中，所述非授权信道为处于非授权频带的信道。所述非授权频带上的非 授权频带子帧的长度与授权频带上的授权频带子帧的长度相同，且所述非授权频带子帧与所述授权频带子帧在时域上对齐。可选的，该非授权信道可以是指非授权频带上的一个子帧。进一步可选的，该监听信道可以配置于非授权频带上的每个子帧中。
在一些实施例中，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧中的控制信道的结束时间对齐，且所述监听信道的长度不超过所述控制信道的长度。
其中，所述目标非授权信道所在非授权频带子帧为监听到非授权信道未被占用的所述监听信道所在非授权频带子帧，该非授权频带子帧中监听信道后的长度可用于传输目标数据。
在一些实施例中，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧的下一个子帧中的控制信道的开始时间对齐。
其中，所述目标非授权信道所在非授权频带子帧为监听到非授权信道未被占用的所述监听信道所在非授权频带子帧的下一个子帧。
在一些实施例中，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的控制信道中。
在一些实施例中，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中。
进一步的，在一些实施例中，
在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，通过所述目标非授权信道发送用于占用信道的无用信号；或者，
在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，为所述目标非授权信道配置控制信道，配置的该控制信道包括所述目标数据在所述目标非授权信道的位置信息；或者，
在所述目标非授权信道所在非授权频带子帧的长度范围内，通过所述目标非授权信道发送所述目标数据。
其中，该无用信号可以是一些随机序列码或固定序列码，其不包括需要传输的目标数据，而仅是用于占用该目标非授权信道中与其对齐的授权频带子帧 中的控制信道长度范围内的信道，避免该目标非授权信道被其他数据传输设备抢占。
可选的，该目标非授权信道所在非授权频带子帧上可传输一个或多个用户设备对应的目标数据，该一个或多个用户设备对应的目标数据的长度不超过该非授权频带子帧的长度。
可选的，所述目标数据对应的业务优先级越高，配置的所述监听信道的长度越小。
第二方面，本发明实施例还提供了一种基于非授权频带的通信方法，所述方法应用于第二数据传输设备中，包括：
获取第一数据传输设备发送的目标数据在非授权频带的位置信息；
根据所述目标数据在非授权频带的位置信息，获取所述第一数据传输设备通过非授权频带发送的所述目标数据。
其中，所述目标数据的位置信息可以是封装于授权频带的控制信道中的或非授权频带的控制信道中的。所述授权频带的控制信道可以为该目标数据所在非授权频带子帧(即上述的“目标非授权信道”)对应的授权频带子帧中的控制信道，或该目标数据所在非授权频带子帧对应的授权频带子帧的下一子帧中的控制信道；所述非授权频带的控制信道可以为该目标数据所在非授权频带子帧中的控制信道。
在一些实施例中，若该目标数据的位置信息是封装于该目标数据所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中的，也即数据在前，位置信息在后时，所述获取第一数据传输设备发送的目标数据在非授权频带的位置信息，包括：
存储第一数据传输设备通过当前非授权信道发送的用户数据；
检测与所述当前非授权信道所在非授权频带子帧对应的授权频带子帧的下一子帧的控制信道中是否包括用户数据在所述当前非授权信道的位置信息；
若是，则获取所述用户数据的位置信息，并将所述用户数据的位置信息作为第一数据传输设备发送的目标数据在非授权频带的位置信息。
第三方面，本发明实施例还提供了一种基于非授权频带的通信装置，包括监听单元、信道确定单元以及数据传输单元，所述基于非授权频带的通信装置 通过上述单元实现第一方面的基于非授权频带的通信方法的部分或全部步骤。
第四方面，本发明实施例还提供了一种基于非授权频带的通信装置，包括位置获取单元以及数据获取单元，所述基于非授权频带的通信装置通过上述单元实现第二方面的基于非授权频带的通信方法的部分或全部步骤。
第五方面，本发明实施例还提供了一种计算机存储介质，所述计算机存储介质存储有程序，所述程序执行时包括上述第一方面的基于非授权频带的通信方法的部分或全部的步骤。
第六方面，本发明实施例还提供了一种计算机存储介质，所述计算机存储介质存储有程序，所述程序执行时包括上述第二方面的基于非授权频带的通信方法的部分或全部的步骤。
第七方面，本发明实施例还提供了一种数据传输设备，包括：通信接口、存储器和处理器，所述处理器分别与所述通信接口及所述存储器连接；其中，
所述存储器用于存储驱动软件；
所述处理器从所述存储器读取所述驱动软件并在所述驱动软件的作用下执行上述第一方面的基于非授权频带的通信方法的部分或全部步骤。
第八方面，本发明实施例还提供了一种数据传输设备，包括：通信接口、存储器和处理器，所述处理器分别与所述通信接口及所述存储器连接；其中，
所述存储器用于存储驱动软件；
所述处理器从所述存储器读取所述驱动软件并在所述驱动软件的作用下执行上述第二方面的基于非授权频带的通信方法的部分或全部步骤。
第九方面，本发明实施例还提供了一种基于非授权频带的通信***，包括第一数据传输设备和第二数据传输设备，所述第一数据传输设备包括上述第三方面所述的基于非授权频带的通信装置，所述第二数据传输设备包括上述第四方面所述的基于非授权频带的通信装置。
实施本发明实施例，具有如下有益效果：
在本发明实施例中，第一数据传输通过配置的监听信道监听非授权信道是否空闲，从而在监听到非授权信道空闲时抢占该非授权信道，并通过该非授权信道向第二数据传输设备发送需要传输的目标数据，以及向该第二数据传输设备发送该目标数据在该非授权信道的位置信息，从而实现数据传输设备之间在 非授权频带上的数据传输，实现现有通信***与非授权频带上其它***的共存。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对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，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的一种网络架构示意图；
图2是本发明实施例提供的一种基于非授权频带的通信方法的流程示意图；
图3是本发明实施例提供的一种授权频带与非授权频带的帧结构示意图；
图4a是本发明实施例提供的一种位置信息指示方式的示意图；
图4b是本发明实施例提供的另一种位置信息指示方式的示意图；
图5是本发明实施例提供的另一种授权频带与非授权频带的帧结构示意图；
图6是本发明实施例提供的另一种基于非授权频带的通信方法的流程示意图；
图7是本发明实施例提供的一种基于非授权频带的通信装置的结构示意图；
图8是本发明实施例提供的另一种基于非授权频带的通信装置的结构示意图；
图9是本发明实施例提供的一种基于非授权频带的通信***的结构示意图；
图10是本发明实施例提供的一种数据传输设备的结构示意图；
图11是本发明实施例提供的另一种数据传输设备的结构示意图。
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，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
应理解，本发明实施例的技术方案可应用于各种制式的无线通信***，例如：码分多址(Code Division Multiple Access，简称为“CDMA”)(3G)***、宽带码分多址(Wideband Code Division Multiple Access，简称为“WCDMA”)(3G)***、时分同步码分多址(Time Division-Synchronous Code Division Multiple Access，简称为“TD-SCDMA”)(3G)***、长期演进(Long Term Evolution，简称为“LTE”)(4G)***等，随着通信技术的不断发展，本发明实施例的所述方法还可用于未来网络，如5G网络，本发明实施例不做限定。
在本发明实施例中，用户设备(User Equipment，简称为“UE”)还可称之为终端(Terminal)、移动台(Mobile Station，简称为“MS”)或移动终端(Mobile Terminal)等。用户设备可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机。基站可以是LTE中的演进型基站，如eNB或e-NodeB(evolutional Node B)，或3G网络中的基站，或未来网络中的基站，等等，本发明实施例不做限定。
下面对本发明实施例的应用场景进行介绍。请参见图1，图1是本发明实施例提供的一种网络架构示意图。具体的，如图1所示，该通信***中包括基站和至少一个用户设备(图1中仅示出三个用户设备)，该基站和用户设备之间可通过LTE网络、3G网络或其他网络进行通信，实现数据传输。如可应用于载波聚合或双连接场景等等，该场景下主小区为现有通信***小区，辅小区使用非授权频带。
本发明实施例公开了一种基于非授权频带的通信方法、相关设备及***，能够实现基站与用户设备在非授权频带上的数据传输。以下分别详细说明。
请参见图2，图2是本发明实施例的一种基于非授权频带的通信方法的流程示意图。具体的，本发明实施例所述的方法可应用于第一数据传输设备中，该第一数据传输设备可以为通信***中的发送端，具体为上述的通信***中的基站，也可以为该通信***中的用户设备。如图2所示，本发明实施例的所述 基于非授权频带的通信方法可以包括以下步骤：
101、当存在需要通过非授权频带发送的目标数据时，通过配置的监听信道监听非授权信道是否被占用。
应理解，本发明实施例涉及的非授权信道是指处于非授权频带上的信道。基站和用户设备之间通过非授权信道传输数据，则充分调用了无线资源，提升了***吞吐量。
具体实施例中，非授权频带上的子帧的长度可与授权频带上的子帧的长度保持一致，即当基站和用户设备之间通过非授权频带通信时，该非授权频带沿用现有无线帧长度，并与授权频带上的子帧在时域上对齐。可选的，该非授权信道可以是指非授权频带上的一个子帧。其中，对于现有无线帧结构，以LTE***为例，其一个无线帧为10ms，分为10个子帧，每个子帧1ms，每个子帧又分为两个时隙，每个时隙对应7个符号。进一步的，每个子帧分为控制信道和共享信道，如每个子帧的前1-4个符号为控制信道，用于发送控制信息，该控制信息包括本子帧上用户设备的数据(简称“用户数据”，或“UE数据”)所在位置的信息，其余符号为共享信道，该共享信道用于传输用户数据。
其中，该监听信道可以配置于非授权频带上的每个子帧中，其在非授权频带子帧中的位置可以与授权频带子帧中的控制信道相对应，即监听信道的结束时间与授权频带子帧的控制信道结束时间对齐，或者，监听信道在非授权频带子帧的最末位置，即监听信道的结束时间与授权频带子帧的开始时间对齐，等等。应理解，在监听信道的结束时间与授权频带子帧的开始时间对齐的场景下，该监听信道监听的是否被占用的非授权信道可具体指监听信道所在非授权频带子帧的下一个子帧。
具体的，若监听到当前非授权信道未被占用，则可执行步骤102，抢占该空闲的非授权信道以进行数据传输；否则，可继续监听，直至检测到空闲的非授权信道。
102、若未被占用，则抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道。
103、通过所述目标非授权信道向第二数据传输设备发送所述目标数据，并向所述第二数据传输设备发送所述目标数据在所述目标非授权信道的位置 信息。
具体实施例中，当检测到当前非授权信道未被占用，即当前非授权信道空闲时，即可抢占该非授权信道，并通过该非授权信道向第二数据传输设备发送该需要发送的目标数据。此外，还需通知该第二数据传输设备该目标数据在该抢占的非授权信道即目标非授权信道中所处的位置，以便于第二数据传输设备基于该位置获取目标数据。从而实现数据传输设备之间在非授权频带上的数据传输，实现现有通信***与非授权频带上其它***的共存。
其中，该第二数据传输设备可以为通信***中的用户设备，也可以为基站。具体的，若该第一数据传输设备为基站，则该第二数据传输设备为该基站小区下的用户设备；若该第一数据传输设备为用户设备，则该第二数据传输设备为基站。
可选的，通过非授权信道发送的目标数据在该非授权信道的位置信息可以是通过授权频带指示的，也可以是通过非授权频带指示的，本发明实施例不做限定。
进一步的，请结合图2，一并参见图3，图3是本发明实施例提供的一种授权频带与非授权频带的帧结构示意图。具体的，如图3所示，以LTE***为例，在授权频带上现有LTE子帧结构中，每个子帧前1-4个符号(具体占用的符号数可预先配置)为物理下行控制信道(Physical Downlink Control Channel，简称为“PDCCH”)，即上述的控制信道，剩余符号为物理下行共享信道(Physical Downlink Shared Channel，简称为“PDSCH”)，即上述的共享信道，用于传输下行数据(Ttx)。当LTE***使用非授权频带时，在非授权频带上可采用与现有LTE帧结构相同帧长度，即非授权频带子帧与授权频带子帧的长度相同，并与授权频带上的子帧在时域上对齐。进一步的，如图3所示，在本发明实施例中，监听信道的结束时间与授权频带上对应的PDCCH的结束时间对齐，且所述监听信道的长度可被配置为不超过所述PDCCH的长度。在本发明实施例中，该目标非授权信道可以是指监听到空闲的非授权信道时非授权频带上该监听信道所在子帧。
下面以该第一数据传输设备为基站，如eNB，第二数据传输设备为用户设备即UE为例，对eNB与UE之间的数据传输过程进行说明。具体的，在本发 明实施例中，可在与授权频带子帧中的PDCCH对应的非授权频带位置上引入监听信道，如图3所示，假设所述监听信道在时域上的长度为Tsensing，在所述监听信道上，eNB可一直监听所述非授权频带上的信道是否被占用，例如被现有无线局域网(Wireless Local Area Network，简称为“WLAN”)***占用发送数据。若在监听信道对应的时长范围内，eNB监听到所述非授权频带上的信道忙，如被占用，则等待下一个监听信道继续进行监听；若在监听信道内，所述非授权频带上的信道一直处于空闲状态，则eNB可立即抢占该监听信道对应的空闲非授权信道，即该监听信道所在的非授权频带子帧，该空闲的非授权信道即可作为用于传输目标数据的目标非授权信道。
其中，所述监听信道结束时间与授权频带上对应子帧的PDCCH结束时间对齐，而所述监听信道开始时间可配，即该监听信道在时域上的长度(即该“Tsensing”)为可配置的。可选的，eNB可根据业务需求调整监听信道在时域上的长度，例如，当待传输业务即目标数据对应的业务的优先级较高时，eNB可以将监听信道时域长度配置为较短，使得eNB能够更容易抢占信道；如果待传输业务优先级较低，则eNB可以将监听信道时域长度配置为较长。也即目标数据对应的业务优先级越高，配置的所述监听信道的长度越小，从而实现了与现有WLAN***的友好共存。可选的，该监听信道长度可配置为不超过其对应授权频带子帧上PDCCH的长度。
进一步的，在本发明实施例中，由于在非授权频带上的子帧中不存在PDCCH，则非授权频带上传输的数据即目标数据可由授权频带上的PDCCH进行指示，将目标数据及其位置信息发送给UE。则UE在接收数据的过程中，可在授权频带上读取PDCCH，获得非授权频带上所述UE的下行数据即目标数据所在位置。具体的，所述位置是指该目标非授权信道所在子帧上的RB或RE位置，UE根据读取的位置信息即可在该目标非授权信道上确定出相应RB或RE，并在该RB或RE上解码得到该目标数据。此外，该PDCCH还可指示该授权频带本子帧上UE的下行数据所在位置，此处不再赘述。
可选的，通过读取PDCCH获得非授权频带上UE的下行数据所在位置即目标非授权信道上的目标数据的位置信息时，可根据需要确定出不同的位置指示方式，如可通过PDCCH指示非授权频带上与该PDCCH所在授权频带子帧 对齐的子帧内UE数据的位置信息，即目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的控制信道中；或通过PDCCH指示非授权频带上与该PDCCH所在授权频带子帧对齐的子帧的前一个子帧内UE数据的位置信息，即目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中。
作为一种可选的实施方式，如图4a所示，图4a是本发明实施例提供的一种位置信息指示方式的示意图。在本发明实施例中，授权频带上PDCCH指示非授权频带上与该PDCCH所在授权频带子帧对齐的非授权频带子帧内UE数据即目标数据的位置信息，也即目标数据的位置信息是封装于用于进行数据传输的目标非授权信道所在非授权频带子帧对应的授权频带子帧的控制信道中的。具体的，由于eNB在授权频带上封装PDCCH时，并不确定是否能抢占到相应时域上的非授权信道，则eNB在PDCCH上的指示的目标数据在非授权信道的位置信息并不一定有效。若eNB成功抢占了非授权频带上的信道，即目标非授权信道，则UE通过授权频带上的PDCCH指示可读取非授权频带上对齐子帧中该PDCCH指示的位置的UE数据；若eNB未成功抢占非授权频带上的信道，则UE通过授权频带上的PDCCH指示去非授权频带上的PDCCH指示的位置上读取UE数据时，由于相应位置上并没有封装该UE对应的UE数据，此时UE无法对该位置上的UE数据进行解码，则UE可丢弃该位置上的UE数据。
作为一种可选的实施方式，如图4b所示，图4b是本发明实施例提供的另一种位置信息指示方式的示意图。在本发明实施例中，授权频带上PDCCH指示非授权频带上与该PDCCH所在授权频带子帧对齐的子帧的前一子帧(或称为“上一子帧”)内目标数据的位置信息，也即该目标数据的位置信息是封装于该目标非授权信道所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中。具体的，eNB可在空闲的非授权信道即目标非授权信道上封装UE数据即该目标数据，并可进一步在与该目标非授权信道对应的授权频带子帧的下一子帧的PDCCH上对该目标数据的位置进行有效地指示。进一步的，在本发明实施例中，UE需要预存一个(或多个)非授权频带子帧的UE数据，并等待预存子帧数据后的下一个授权频带上的子帧的PDCCH的指示，若该 PDCCH中指示了该预存的子帧上UE数据的位置信息，即指示存在UE数据时，UE可按照所述PDCCH指示的位置信息对预存的非授权频带子帧中的UE数据进行读取，该读取的UE数即为eNB发送的目标数据；若所述PDCCH并没有指示预存的子帧上UE数据的位置信息，则UE可丢弃该预存的非授权频带子帧的UE数据。
进一步可选的，本发明实施例还可应用于多载波场景，则除PDCCH指示UE数据所在位置以外，还可进一步指示该UE数据位于哪个非授权频带载波上。则UE可根据该指示的载波及位置信息，从该非授权频带载波上该位置信息指示的位置读取UE数据，从而实现跨载波指示。
可选的，请结合图2，一并参见图5，图5是本发明实施例提供的另一种授权频带与非授权频带的帧结构示意图。具体的，在本发明实施例中，与图3对应实施例不同的是，监听信道的结束时间与授权频带上PDCCH即控制信道的开始时间对齐(即与授权频带子帧对齐，或者称为与监听信道结束时间与授权频带子帧结束时间对齐)。在本发明实施例中，该目标非授权信道可以为非授权频带上监听信道所在子帧的下一子帧，即在监听信道时长内监听到非授权频带空闲，则可将该监听信道所在非授权频带子帧的下一子帧作为该目标非授权信道。
同样以该第一数据传输设备为基站，如eNB，第二数据传输设备为UE为例，对eNB与UE之间的数据传输过程进行说明。在本发明实施例中，非授权频带上监听信道结束时间与授权频带子帧结束时间对齐，其中，监听信道时长可由eNB进行配置。在监听信道所占的时长范围内，eNB可一直监听所述非授权频带上的信道是否被占用。若eNB监听到所述非授权频带上的信道忙，则等待下一个监听信道继续监听；若在监听信道时长内，当前非授权信道一直处于空闲状态，则eNB可立即抢占该非授权信道所在子帧的下一子帧对应的非授权信道，并将该抢占的非授权信道作为目标非授权信道，以基于该目标非授权信道进行数据传输。此时抢占的非授权信道(可视为监听信道的下一个子帧)开始时间与授权频带上的子帧开始时间是同步的，也即该目标非授权信道的开始时间与该目标非授权信道所在子帧对应的授权频带子帧的开始时间对齐。
进一步的，在该目标非授权信道上，在与授权频带子帧中的控制信道的长度范围内，eNB可采用不同的方式与UE进行通信。可选的，如图5所示，在目标非授权信道对应的授权频带子帧PDCCH长度范围内，eNB可在目标非授权频带信道上发送无用信号，即在该长度范围内该目标非授权信道不发送需要传输的目标数据。该无用信号可以是一些随机序列码或固定序列码，目的仅是用于占用该目标非授权信道中与其对齐的授权频带子帧中的PDCCH长度范围内的信道，避免该目标非授权信道被其他数据传输设备抢占，使得在授权频带子帧PDCCH结束时刻即可通过该目标非授权信道开始发送数据。该方式下非授权频带上的UE数据的位置信息可仍由授权频带上的PDCCH指示，即所述目标数据的位置信息封装于该目标非授权信道所在非授权频带子帧对应的授权频带子帧(或下一子帧)的PDCCH中，具体可参照图4a至图4b中的位置信息指示方式的相关描述，此处不再赘述，与上述实施例不同的是，本发明实施例中PDCCH的指示总是有效的。可选的，在该目标非授权信道对应的授权频带子帧中PDCCH长度范围内，还可为该目标非授权信道配置控制信道，如PDCCH，并在该配置的PDCCH指示目标数据在目标非授权信道的位置信息。其中，该目标非授权信道的控制信道的长度可配置为与授权频带子帧的PDCCH的长度保持一致，也可以单独配置，本发明实施例不做限定。此时UE通过读取非授权频带上的PDCCH即可获知UE数据在该非授权信道所在的位置。可选的，在所述目标非授权信道所在非授权频带子帧的长度范围内，即可立即通过所述目标非授权信道发送所述目标数据，即将该目标非授权信道全部用于发送UE数据，该方式下UE数据在该目标非授权信道的位置可仍由授权频带上的PDCCH进行指示，具体可参照图4a至图4b中的位置信息指示方式的相关描述，此处不再赘述。
其中，该目标非授权信道所在非授权频带子帧上可传输一个或多个用户设备对应的目标数据，以提升频带资源利用率，该一个或多个用户设备对应的目标数据的长度不超过该非授权频带子帧的长度。
请参见图6，图6是本发明实施例提供的另一种基于非授权频带的通信方法的流程示意图。具体的，本发明实施例所述的方法可应用于第二数据传输设备中，该第二数据传输设备为通信***中的接收端，具体可以为上述的通信系 统中的用户设备，也可以为该通信***中的基站，如图6所示，本发明实施例的所述基于非授权频带的通信方法可以包括以下步骤：
201、获取第一数据传输设备发送的目标数据在非授权频带的位置信息。
其中，所述目标数据的位置信息是封装于授权频带的控制信道中的或非授权频带的控制信道中的。所述授权频带的控制信道为该目标数据所在非授权频带子帧(即上述的“目标非授权信道”)对应的授权频带子帧中的控制信道，或该目标数据所在非授权频带子帧对应的授权频带子帧的下一子帧中的控制信道；所述非授权频带的控制信道为该目标数据所在非授权频带子帧中的控制信道。
202、根据所述目标数据在非授权频带的位置信息，获取所述第一数据传输设备通过非授权频带发送的所述目标数据。
具体实施例中，第二数据传输设备在确定需要接收的目标数据在非授权频带中的位置信息之后，即可基于该位置信息的指示从相应的非授权信道中读取该目标数据。
具体的，以该第一数据传输设备为基站，如eNB，第二数据传输设备为UE为例，对UE接收数据的过程进行说明。UE在获取到目标数据的位置信息之后，即可对该位置信息指示的非授权信道的UE数据进行解码，若解码成功，则将该位置的UE数据作为需要接收的目标数据；否则，UE可丢弃该位置的UE数据。
可选的，若该目标数据的位置信息是封装于该目标数据所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中的，也即数据在前，位置信息在后时，所述获取第一数据传输设备发送的目标数据在非授权频带的位置信息，可以具体为：存储第一数据传输设备通过当前非授权信道发送的用户数据；检测与所述当前非授权信道所在非授权频带子帧对应的授权频带子帧的下一子帧的控制信道中是否包括用户数据在所述当前非授权信道的位置信息；若是，则获取所述用户数据的位置信息，并将所述用户数据的位置信息作为第一数据传输设备发送的目标数据在非授权频带的位置信息。
具体的，以该第一数据传输设备为基站，如eNB，第二数据传输设备为UE为例，授权频带上PDCCH可指示非授权频带上与该PDCCH所在授权频 带子帧对齐的非授权频带子帧的前一子帧上的数据。eNB可确定在非授权频带子帧上是否有封装有UE的下行数据即该目标数据，从而可在确定存在目标数据时在该目标数据所在非授权频带子帧对齐的授权频带子帧的下一子帧的PDCCH上对该目标数据的位置进行有效地指示。由此，UE需要预存一个(或多个)非授权频带子帧的数据，并等待预存子帧数据后的下一个授权频带上的子帧的PDCCH的指示，若所述PDCCH中指示了该预存的子帧上UE数据的位置信息，即指示存在UE数据时，UE可按照所述PDCCH指示的位置信息对预存的非授权频带子帧中的UE数据进行读取，该读取的UE数即为eNB发送的目标数据；若所述PDCCH并没有指示预存的子帧上该UE数据的位置信息，则UE可丢弃该预存的非授权频带子帧的UE数据。从而UE可根据所述目标数据在非授权频带上的位置信息，从预存的数据中读取出该需要接收的目标数据。
在本发明实施例中，第一数据传输设备通过配置的监听信道监听非授权信道是否空闲，从而在监听到非授权信道空闲时抢占该非授权信道，并通过该非授权信道向第二数据传输设备发送需要传输的目标数据，以及向该第二数据传输设备发送该目标数据在该非授权信道的位置信息，从而实现数据传输设备之间在非授权频带上的数据传输，实现现有通信***与非授权频带上其它***的共存。本发明实施例通过引入监听信道，以无线子帧如LTE子帧长度为单位进行非授权频带信道抢占，从而实现了利用竞争方式获得非授权频带资源，其遵循非授权频带上先听后说的原则，实现了与现有非授权频带上的***之间的有效协作以及非授权频带资源的充分利用，相比于现有技术中直接将LTE用户卸载到WLAN，本发明实施例实现了LTE和现有非授权频带上的***如Wi-Fi在非授权频带上的共存，从而能够获得较高的***总吞吐量。
请参见图7，图7是本发明实施例的一种基于非授权频带的通信装置的结构示意图。具体的，本发明实施例所述的装置可设置于第一数据传输设备中，该第一数据传输设备可以为通信***中的发送端，具体为上述的通信***中的基站，也可以为该通信***中的用户设备。如图7所示，本发明实施例的所述基于非授权频带的通信装置可以包括监听单元11、信道确定单元12以及数据传输单元13。其中，
所述监听单元11，用于当存在需要通过非授权频带发送的目标数据时，通过配置的监听信道监听非授权信道是否被占用。
其中，所述非授权信道为处于非授权频带的信道，具体可与非授权频带上的子帧相对应。
所述信道确定单元12，用于在所述监听单元11监听到非授权信道未被占用时，抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道。
所述数据传输单元13，用于通过所述目标非授权信道向第二数据传输设备发送所述目标数据，并向所述第二数据传输设备发送所述目标数据在所述目标非授权信道的位置信息。
在可选的实施例中，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧中的控制信道的结束时间对齐，且所述监听信道的长度不超过所述控制信道的长度。
其中，所述目标非授权信道所在非授权频带子帧为监听到非授权信道未被占用的所述监听信道所在非授权频带子帧。
在可选的实施例中，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧的下一个子帧中的控制信道的开始时间对齐。
其中，所述目标非授权信道所在非授权频带子帧为监听到非授权信道未被占用的所述监听信道所在非授权频带子帧的下一个子帧。
具体的，该监听信道可以配置于非授权频带上的每个子帧中，其在非授权频带子帧中的位置可以与授权频带子帧中的控制信道相对应，即监听信道的结束时间与授权频带子帧的控制信道结束时间对齐，或者，监听信道在非授权频带子帧的最末位置，即监听信道的结束时间与授权频带子帧的开始时间对齐，等等。应理解，在监听信道的结束时间与授权频带子帧的开始时间对齐的场景下，该监听信道监听的是否被占用的非授权信道可具体指监听信道所在非授权频带子帧的下一个子帧。
可选的，所述目标数据对应的业务优先级越高，配置的所述监听信道的长度越小。
进一步可选的，所述目标数据的位置信息封装于所述目标非授权信道所在 非授权频带子帧对应的授权频带子帧的控制信道中。
进一步可选的，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中。
进一步的，在可选的实施例中，
所述数据传输单元13，还可用于在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，通过所述目标非授权信道发送用于占用信道的无用信号。
其中，该无用信号可以是一些随机序列码或固定序列码，其不包括需要传输的目标数据，而仅是用于占用该目标非授权信道中与其对齐的授权频带子帧中的控制信道长度范围内的信道，避免该目标非授权信道被其他数据传输设备抢占。
进一步的，在可选的实施例中，
所述数据传输单元13，还可用于在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，为所述目标非授权信道配置控制信道，配置的该控制信道包括所述目标数据在所述目标非授权信道的位置信息。
也就是说，通过非授权信道发送的目标数据在该非授权信道的位置信息可以是通过授权频带指示的，也可以是通过非授权频带指示的，本发明实施例不做限定。
请参见图8，图8是本发明实施例的另一种基于非授权频带的通信装置的结构示意图。具体的，本发明实施例所述的装置可设置于第二数据传输设备中，该第一数据传输设备可以为通信***中的接收端，具体为上述的通信***中的用户设备，也可以为该通信***中的基站。如图8所示，本发明实施例的所述基于非授权频带的通信装置可以包括位置获取单元21以及数据获取单元22。其中，
所述位置获取单元21，用于获取第一数据传输设备发送的目标数据在非授权频带的位置信息。
其中，所述目标数据的位置信息是封装于授权频带的控制信道中的或非授权频带的控制信道中的。所述授权频带的控制信道为该目标数据所在非授权频 带子帧(即上述的“目标非授权信道”)对应的授权频带子帧中的控制信道，或该目标数据所在非授权频带子帧对应的授权频带子帧的下一子帧中的控制信道；所述非授权频带的控制信道为该目标数据所在非授权频带子帧中的控制信道。
所述数据获取单元22，用于根据所述目标数据在非授权频带的位置信息，获取所述第一数据传输设备通过非授权频带发送的所述目标数据。
具体实施例中，在位置获取单元21确定需要接收的目标数据在非授权频带中的位置信息之后，数据获取单元22即可基于该位置信息的指示从相应的非授权信道中读取该目标数据。
在可选的实施例中，若该目标数据的位置信息是封装于该目标数据所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中的，也即数据在前，位置信息在后时，所述位置获取单元21可具体用于：
存储第一数据传输设备通过当前非授权信道发送的用户数据；
检测与所述当前非授权信道所在非授权频带子帧对应的授权频带子帧的下一子帧的控制信道中是否包括用户数据在所述当前非授权信道的位置信息；
若是，则获取所述用户数据的位置信息，并将所述用户数据的位置信息作为第一数据传输设备发送的目标数据在非授权频带的位置信息。
在本发明实施例中，第一数据传输设备通过配置的监听信道监听非授权信道是否空闲，从而在监听到非授权信道空闲时抢占该非授权信道，并通过该非授权信道向第二数据传输设备发送需要传输的目标数据，以及向该第二数据传输设备发送该目标数据在该非授权信道的位置信息，从而实现数据传输设备之间在非授权频带上的数据传输，实现现有通信***与非授权频带上其它***的共存。本发明实施例通过引入监听信道，以无线子帧如LTE子帧长度为单位进行非授权频带信道抢占，从而实现了利用竞争方式获得非授权频带资源，其遵循非授权频带上先听后说的原则，实现了与现有非授权频带上的***之间的有效协作以及非授权频带资源的充分利用。
进一步的，请参见图9，图9是本发明实施例的一种基于非授权频带的通信***的结构示意图。具体的，本发明实施例所述的***包括第一数据传输设备1和第二数据传输设备2；其中，
所述第一数据传输设备1，用于当存在需要通过非授权频带发送的目标数据时，通过配置的监听信道监听非授权信道是否被占用，所述非授权信道为处于非授权频带的信道；若否，则抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道；通过所述目标非授权信道向所述第二数据传输设备发送所述目标数据，并向所述第二数据传输设备2发送所述目标数据在所述目标非授权信道的位置信息；
所述第二数据传输设备2，用于接收所述第一数据传输设备1发送的目标数据在所述目标非授权信道的位置信息；根据所述目标数据在所述目标非授权信道的位置信息，获取所述第一数据传输设备1通过所述目标非授权信道发送的所述目标数据。
具体的，若该第一数据传输设备为基站，则该第二数据传输设备为该基站小区下的用户设备；若该第一数据传输设备为用户设备，则该第二数据传输设备为基站。该第一数据传输设备可具体参照图1-5和图7对应实施例的相关描述，该第二数据传输设备可具体参照图6和图8对应实施例的相关描述，此处不再赘述。
在本发明实施例中，第一数据传输设备通过配置的监听信道监听非授权信道是否空闲，从而在监听到非授权信道空闲时抢占该非授权信道，并通过该非授权信道向第二数据传输设备发送需要传输的目标数据，以及向该第二数据传输设备发送该目标数据在该非授权信道的位置信息，从而实现数据传输设备之间在非授权频带上的数据传输，实现现有通信***与非授权频带上其它***的共存。
请参见图10，图10是本发明实施例提供的一种数据传输设备的结构示意图，具体的，如图10所示，本发明实施例的所述数据传输设备包括：通信接口300、存储器200和处理器100，所述处理器100分别与所述通信接口300及所述存储器200连接。所述存储器200可以是高速RAM存储器，也可以是非不稳定的存储器(non-volatile memory)，例如至少一个磁盘存储器。所述通信接口300、存储器200以及处理器100之间可以通过总线进行数据连接，也可以通过其他方式数据连接。本实施例中以总线连接进行说明。具体的，本发明实施例中的所述数据传输设备可与上述图1-9中的第一数据传输设备相对 应，并可具体为通信网络中的基站，或者是用户设备，具体请参照图1-9对应实施例中第一数据传输设备的相关描述。其中，
所述存储器200用于存储驱动软件；
所述处理器100从所述存储器读取所述驱动软件并在所述驱动软件的作用下执行：
当存在需要通过非授权频带发送的目标数据时，通过配置的监听信道监听非授权信道是否被占用，所述非授权信道为处于非授权频带的信道；
若否，则抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道；
基于所述通信接口300并通过所述目标非授权信道向另一数据传输设备发送所述目标数据，并向所述另一数据传输设备发送所述目标数据在所述目标非授权信道的位置信息。
其中，所述另一数据传输设备即可与上述的第二数据传输设备相对应。
可选的，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧中的控制信道的结束时间对齐，且所述监听信道的长度不超过所述控制信道的长度。
可选的，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧的下一个子帧中的控制信道的开始时间对齐。
进一步可选的，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的控制信道中。
进一步可选的，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中。
进一步可选的，所述处理器100从所述存储器200读取所述驱动软件并在所述驱动软件的作用下，还用于执行以下步骤：
在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，通过所述目标非授权信道发送用于占用信道的无用信号；或者，
在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，为所述目标非授权信道配置控制信道，配置的该控制信道 包括所述目标数据在所述目标非授权信道的位置信息。
进一步可选的，所述目标数据对应的业务优先级越高，配置的所述监听信道的长度越小。
请参见图11，图11是本发明实施例提供的另一种数据传输设备的结构示意图，具体的，如图11所示，本发明实施例的所述数据传输设备包括：通信接口600、存储器500和处理器400，所述处理器400分别与所述通信接口600及所述存储器500连接。所述存储器500可以是高速RAM存储器，也可以是非不稳定的存储器(non-volatile memory)，例如至少一个磁盘存储器。所述通信接口600、存储器500以及处理器400之间可以通过总线进行数据连接，也可以通过其他方式数据连接。本实施例中以总线连接进行说明。具体的，本发明实施例中的所述数据传输设备可与上述图1-9中的第二数据传输设备相对应，并可具体为用户设备，或者为通信网络中的基站，具体请参照图1-9对应实施例中第二数据传输设备的相关描述。其中，
所述存储器500用于存储驱动软件；
所述处理器400从所述存储器读取所述驱动软件并在所述驱动软件的作用下执行：
通过所述通信接口600获取另一数据传输设备发送的目标数据在非授权频带的位置信息，所述目标数据的位置信息是封装于授权频带的控制信道中的或非授权频带的控制信道中的；
根据所述目标数据在非授权频带的位置信息，获取所述另一数据传输设备通过非授权频带发送的所述目标数据。
其中，所述另一数据传输设备即可与上述的第一数据传输设备相对应。
可选的，所述处理器400从所述存储器500读取所述驱动软件并在所述驱动软件的作用下执行所述获取另一数据传输设备发送的目标数据在非授权频带的位置信息，具体执行以下步骤：
存储另一数据传输设备通过当前非授权信道发送的用户数据；
检测与所述当前非授权信道所在非授权频带子帧对应的授权频带子帧的下一子帧的控制信道中是否包括用户数据在所述当前非授权信道的位置信息；
若是，则获取所述用户数据的位置信息，并将所述用户数据的位置信息作 为所述另一数据传输设备发送的目标数据在非授权频带的位置信息。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
在本发明所提供的几个实施例中，应该理解到，所揭露的装置和方法，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***，或一些特征可以忽略，或不执行。另一点，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，可以是电性，机械或其它的形式。
所述该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实施例方案的目的。
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，也可以采用硬件加软件功能单元的形式实现。
上述以软件功能单元的形式实现的集成的单元，可以存储在一个计算机可读取存储介质中。上述软件功能单元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)或处理器(processor)执行本发明各个实施例所述方法的部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
本领域技术人员可以清楚地了解到，为描述的方便和简洁，仅以上述各功能单元的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能单元完成，即将装置的内部结构划分成不同的功能单元，以完成以上描述的全部或者部分功能。上述描述的装置的具体工作过程，可以参考前述 方法实施例中的对应过程，在此不再赘述。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (33)

  1. 一种基于非授权频带的通信方法，其特征在于，所述方法应用于第一数据传输设备中，包括：
    通过配置的监听信道监听非授权信道是否被占用，所述非授权信道为处于非授权频带的信道；
    若否，则抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道；
    通过所述目标非授权信道向第二数据传输设备发送需要传输的目标数据，并向所述第二数据传输设备发送所述目标数据在所述目标非授权信道的位置信息。
  2. 根据权利要求1所述的方法，其特征在于，所述非授权频带上的非授权频带子帧的长度与授权频带上的授权频带子帧的长度相同，且所述非授权频带子帧与所述授权频带子帧在时域上对齐。
  3. 根据权利要求1或2所述的方法，其特征在于，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧中的控制信道的结束时间对齐，且所述监听信道的长度不超过所述控制信道的长度。
  4. 根据权利要求1或2所述的方法，其特征在于，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧的下一个子帧中的控制信道的开始时间对齐。
  5. 根据权利要求3或4所述的方法，其特征在于，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的控制信道中。
  6. 根据权利要求3或4所述的方法，其特征在于，所述目标数据的位置 信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中。
  7. 根据权利要求4所述的方法，其特征在于，所述方法还包括：
    在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，通过所述目标非授权信道发送用于占用信道的无用信号；或者，
    在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，为所述目标非授权信道配置控制信道，配置的该控制信道包括所述目标数据在所述目标非授权信道的位置信息；或者，
    在所述目标非授权信道所在非授权频带子帧的长度范围内，通过所述目标非授权信道发送所述目标数据。
  8. 根据权利要求1-7任一项所述的方法，其特征在于，所述目标数据对应的业务优先级越高，配置的所述监听信道的长度越小。
  9. 一种基于非授权频带的通信方法，其特征在于，所述方法应用于第二数据传输设备中，包括：
    获取第一数据传输设备发送的目标数据在非授权频带的位置信息，所述目标数据的位置信息是封装于授权频带的控制信道中的或非授权频带的控制信道中的；
    根据所述目标数据在非授权频带的位置信息，获取所述第一数据传输设备通过非授权频带发送的所述目标数据。
  10. 根据权利要求9所述的方法，其特征在于，所述获取第一数据传输设备发送的目标数据在非授权频带的位置信息，包括：
    存储第一数据传输设备通过当前非授权信道发送的用户数据；
    检测与所述当前非授权信道所在非授权频带子帧对应的授权频带子帧的下一子帧的控制信道中是否包括用户数据在所述当前非授权信道的位置信息；
    若是，则获取所述用户数据的位置信息，并将所述用户数据的位置信息作为第一数据传输设备发送的目标数据在非授权频带的位置信息。
  11. 一种基于非授权频带的通信装置，其特征在于，所述装置设置于第一数据传输设备中，包括：
    监听单元，用于通过配置的监听信道监听非授权信道是否被占用，所述非授权信道为处于非授权频带的信道；
    信道确定单元，用于在所述监听单元监听到非授权信道未被占用时，抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道；
    数据传输单元，用于通过所述目标非授权信道向第二数据传输设备发送需要传输的目标数据，并向所述第二数据传输设备发送所述目标数据在所述目标非授权信道的位置信息。
  12. 根据权利要求11所述的装置，其特征在于，所述非授权频带上的非授权频带子帧的长度与授权频带上的授权频带子帧的长度相同，且所述非授权频带子帧与所述授权频带子帧在时域上对齐。
  13. 根据权利要求11或12所述的装置，其特征在于，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧中的控制信道的结束时间对齐，且所述监听信道的长度不超过所述控制信道的长度。
  14. 根据权利要求11或12所述的装置，其特征在于，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧的下一个子帧中的控制信道的开始时间对齐。
  15. 根据权利要求13或14所述的装置，其特征在于，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的控制信道中。
  16. 根据权利要求13或14所述的装置，其特征在于，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中。
  17. 根据权利要求14所述的装置，其特征在于，
    所述数据传输单元，还用于在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，通过所述目标非授权信道发送用于占用信道的无用信号。
  18. 根据权利要求14所述的装置，其特征在于，
    所述数据传输单元，还用于在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，为所述目标非授权信道配置控制信道，配置的该控制信道包括所述目标数据在所述目标非授权信道的位置信息。
  19. 根据权利要求14所述的装置，其特征在于，
    所述数据传输单元，还用于在所述目标非授权信道所在非授权频带子帧的长度范围内，通过所述目标非授权信道发送所述目标数据。
  20. 根据权利要求11-19任一项所述的装置，其特征在于，所述目标数据对应的业务优先级越高，配置的所述监听信道的长度越小。
  21. 一种基于非授权频带的通信装置，其特征在于，所述装置设置于第二数据传输设备中，包括：
    位置获取单元，用于获取第一数据传输设备发送的目标数据在非授权频带的位置信息，所述目标数据的位置信息是封装于授权频带的控制信道中的或非授权频带的控制信道中的；
    数据获取单元，用于根据所述目标数据在非授权频带的位置信息，获取所 述第一数据传输设备通过非授权频带发送的所述目标数据。
  22. 根据权利要求21所述的装置，其特征在于，所述位置获取单元具体用于：
    存储第一数据传输设备通过当前非授权信道发送的用户数据；
    检测与所述当前非授权信道所在非授权频带子帧对应的授权频带子帧的下一子帧的控制信道中是否包括用户数据在所述当前非授权信道的位置信息；
    若是，则获取所述用户数据的位置信息，并将所述用户数据的位置信息作为第一数据传输设备发送的目标数据在非授权频带的位置信息。
  23. 一种数据传输设备，其特征在于，包括：通信接口、存储器和处理器，所述处理器分别与所述通信接口及所述存储器连接；其中，
    所述存储器用于存储驱动软件；
    所述处理器从所述存储器读取所述驱动软件并在所述驱动软件的作用下执行：
    通过配置的监听信道监听非授权信道是否被占用，所述非授权信道为处于非授权频带的信道；
    若否，则抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道；
    基于所述通信接口并通过所述目标非授权信道向另一数据传输设备发送需要传输的目标数据，并向所述另一数据传输设备发送所述目标数据在所述目标非授权信道的位置信息。
  24. 根据权利要求23所述的数据传输设备，其特征在于，所述非授权频带上的非授权频带子帧的长度与授权频带上的授权频带子帧的长度相同，且所述非授权频带子帧与所述授权频带子帧在时域上对齐。
  25. 根据权利要求23或24所述的数据传输设备，其特征在于，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧中 的控制信道的结束时间对齐，且所述监听信道的长度不超过所述控制信道的长度。
  26. 根据权利要求23或24所述的数据传输设备，其特征在于，所述监听信道的结束时间与所述监听信道所在非授权频带子帧对应的授权频带子帧的下一个子帧中的控制信道的开始时间对齐。
  27. 根据权利要求25或26所述的数据传输设备，其特征在于，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的控制信道中。
  28. 根据权利要求25或26所述的数据传输设备，其特征在于，所述目标数据的位置信息封装于所述目标非授权信道所在非授权频带子帧对应的授权频带子帧的下一个子帧的控制信道中。
  29. 根据权利要求26所述的数据传输设备，其特征在于，所述处理器从所述存储器读取所述驱动软件并在所述驱动软件的作用下，还用于执行以下步骤：
    在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，通过所述目标非授权信道发送用于占用信道的无用信号；或者，
    在所述目标非授权信道所在非授权频带子帧对应的授权频带子帧中的控制信道长度范围内，为所述目标非授权信道配置控制信道，配置的该控制信道包括所述目标数据在所述目标非授权信道的位置信息；或者，
    在所述目标非授权信道所在非授权频带子帧的长度范围内，通过所述目标非授权信道发送所述目标数据。
  30. 根据权利要求23-29任一项所述的数据传输设备，其特征在于，所述目标数据对应的业务优先级越高，配置的所述监听信道的长度越小。
  31. 一种数据传输设备，其特征在于，包括：通信接口、存储器和处理器，所述处理器分别与所述通信接口及所述存储器连接；其中，
    所述存储器用于存储驱动软件；
    所述处理器从所述存储器读取所述驱动软件并在所述驱动软件的作用下执行
    通过所述通信接口获取另一数据传输设备发送的目标数据在非授权频带的位置信息，所述目标数据的位置信息是封装于授权频带的控制信道中的或非授权频带的控制信道中的；
    根据所述目标数据在非授权频带的位置信息，获取所述另一数据传输设备通过非授权频带发送的所述目标数据。
  32. 根据权利要求31所述的数据传输设备，其特征在于，所述处理器从所述存储器读取所述驱动软件并在所述驱动软件的作用下执行所述获取另一数据传输设备发送的目标数据在非授权频带的位置信息，具体执行以下步骤：
    存储另一数据传输设备通过当前非授权信道发送的用户数据；
    检测与所述当前非授权信道所在非授权频带子帧对应的授权频带子帧的下一子帧的控制信道中是否包括用户数据在所述当前非授权信道的位置信息；
    若是，则获取所述用户数据的位置信息，并将所述用户数据的位置信息作为所述另一数据传输设备发送的目标数据在非授权频带的位置信息。
  33. 一种基于非授权频带的通信***，其特征在于，包括：第一数据传输设备和第二数据传输设备；其中，
    所述第一数据传输设备，用于通过配置的监听信道监听非授权信道是否被占用，所述非授权信道为处于非授权频带的信道；若否，则抢占未被占用的该非授权信道，并将该非授权信道作为用于进行数据传输的目标非授权信道；通过所述目标非授权信道向所述第二数据传输设备发送需要传输的目标数据，并向所述第二数据传输设备发送所述目标数据在所述目标非授权信道的位置信息；
    所述第二数据传输设备，用于接收所述第一数据传输设备发送的目标数据在所述目标非授权信道的位置信息；根据所述目标数据在所述目标非授权信道的位置信息，获取所述第一数据传输设备通过所述目标非授权信道发送的所述目标数据。
PCT/CN2016/084055 2016-05-31 2016-05-31 一种基于非授权频带的通信方法、相关设备及*** WO2017206056A1 (zh)

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