WO2015066915A1 - 非授权频谱的使用方法和设备 - Google Patents
非授权频谱的使用方法和设备 Download PDFInfo
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- WO2015066915A1 WO2015066915A1 PCT/CN2013/086844 CN2013086844W WO2015066915A1 WO 2015066915 A1 WO2015066915 A1 WO 2015066915A1 CN 2013086844 W CN2013086844 W CN 2013086844W WO 2015066915 A1 WO2015066915 A1 WO 2015066915A1
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- access device
- data transmission
- unlicensed spectrum
- indication information
- idle time
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- 238000001228 spectrum Methods 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 206
- 238000005516 engineering process Methods 0.000 claims description 102
- 239000002699 waste material Substances 0.000 abstract description 9
- 230000011664 signaling Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101100172132 Mus musculus Eif3a gene Proteins 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/02—Hybrid access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
Definitions
- the present invention relates to the field of wireless communications, and in particular, to a method and an apparatus for using an unlicensed spectrum. Background technique
- the unlicensed spectrum has a wide spectrum bandwidth and can serve the growing user business.
- the access device transmits a time period for indicating the data transmission reserved for the access device to use the unlicensed spectrum. After receiving the time period sent by the access device, the other access device does not use the unlicensed spectrum for data transmission during the time period of the unlicensed spectrum, thereby avoiding the use of the same unlicensed spectrum in the same time period. interference.
- an embodiment of the present invention provides a method and an apparatus for using an unlicensed spectrum.
- a first aspect of the embodiments of the present invention provides a method for using an unlicensed spectrum, including: receiving, by a first access device, first indication information sent by a second access device, where the first indication information is used to indicate that the information is reserved In the time period during which the second access device uses the unlicensed spectrum for data transmission, the second access device does not perform idle time for data transmission; The first access device uses the unlicensed spectrum for data transmission during the idle time.
- the idle time is, in a time period reserved for the second access device to use the unlicensed spectrum for data transmission,
- the second access device does not perform time slots or subframes for data transmission.
- the method before the first indication information, the method further includes: the first access device receives second indication information sent by the second access device, where the second indication information is used to indicate reservation to the second a period of time during which the access device uses the unlicensed spectrum for data transmission;
- the first access device stops data transmission in a period of time reserved for the second access device to use the unlicensed spectrum for data transmission.
- the method further includes: the first access device receiving the first a third indication information that is sent by the second access device, where the third indication information is used to indicate a radio access technology used by the second access device, and the first access device uses the idle time
- the unlicensed spectrum is used for data transmission, including:
- the first access device uses the wireless access technology to perform data transmission on the unlicensed spectrum and the idle time.
- the first access device uses the radio access technology to perform data transmission on the idle time, including : Determining, by the first access device, whether the radio access technology is supported; if yes, the first access device uses the radio access technology to perform data transmission on the unlicensed spectrum and the idle time.
- the first access device is in the unlicensed spectrum and the idle time The data transmission is performed by using the radio access technology, where: the first access device converts the idle time into a time corresponding to a radio access technology supported by the first access device;
- the first access device uses the wireless access technology for data transmission at a time corresponding to the unlicensed spectrum and the wireless access technology supported by the first access device.
- a second aspect of the embodiments of the present invention provides a first access device that uses an unlicensed spectrum, including:
- a receiving unit configured to receive first indication information that is sent by the second access device, where the first indication information is used to indicate that, in a period of time reserved for the second access device to use the unlicensed spectrum for data transmission,
- the second access device does not perform idle time of data transmission; and the transmission unit is configured to use the unlicensed spectrum for data transmission during the idle time.
- the idle time is, in a time period reserved for the second access device to use the unlicensed spectrum for data transmission, The second access device does not perform time slots or subframes for data transmission.
- the receiving unit is further configured to receive the second indication information sent by the second access device, where The second indication information is used to indicate a time period reserved for the second access device to use the unlicensed spectrum for data transmission; the transmission unit is specifically configured to be reserved for use by the second access device The data transmission is stopped during the period in which the unlicensed spectrum performs data transmission.
- the receiving unit is further configured to receive third indication information, where the third The indication information is used to indicate a radio access technology used by the second access device; the transmission unit is specifically configured to perform data transmission by using the radio access technology on the unlicensed spectrum and the idle time.
- the transmitting unit includes: a determining subunit, configured to determine whether the first access device supports the wireless An access unit, configured to: when the determining subunit determines that the first access device supports the radio access technology, use the wireless on the unlicensed spectrum and the idle time Access technology for data transmission.
- the transmitting unit is specifically configured to use the wireless access in the unlicensed spectrum and the idle time
- the data transmission by the technology includes: the transmitting unit is specifically configured to convert the idle time into a time corresponding to the radio access technology supported by the first access device; and in the unlicensed spectrum and the third aspect of the embodiments of the present invention provides a method for using an unlicensed spectrum, where the second access device obtains the data. The idle time during which the second access device does not perform data transmission in a period of time reserved for the second access device to use the unlicensed spectrum for data transmission;
- the idle time is, in a time period reserved for the second access device to use the unlicensed spectrum for data transmission, The second access device does not perform time slots or subframes for data transmission.
- the method further includes: the second access device to the first access device Sending the second indication information, where the second indication information is used to indicate a time period reserved for the second access device to use the unlicensed spectrum for data transmission.
- the method further includes:
- a fourth aspect of the present invention provides a second access device, including: an acquiring unit, configured to acquire, in a time period reserved for the second access device to use an unlicensed spectrum for data transmission, the second connection The idle time of the inbound device is not used for data transmission; the sending unit is configured to send the idle time to the first access device, where the idle time is used to instruct the first access device to use the unlicensed spectrum to perform data The time period of transmission.
- the idle time is, in a time period reserved for the second access device to use the unlicensed spectrum for data transmission, The second access device does not perform time slots or subframes for data transmission.
- the sending unit is further configured to send the second indication information to the first access device, The second indication information is used to indicate a time period reserved for the second access device to use the unlicensed spectrum for data transmission.
- the sending unit is further configured to send the first access device to the first access device.
- the third indication information is used to indicate the radio access technology used by the second access device, so that the first access device uses the unlicensed spectrum and the idle time.
- the wireless access technology performs data transmission.
- FIG. 2 is a schematic flowchart of a method for using an unlicensed spectrum according to an embodiment of the present invention
- 3 is a schematic flowchart of a method for using an unlicensed spectrum according to an embodiment of the present invention
- 4 is a schematic flowchart of a method for using an unlicensed spectrum according to an embodiment of the present invention
- FIG. 5 is a schematic structural diagram of a first access device 50 according to an embodiment of the present invention
- FIG. 6 is a schematic structural diagram of still another first access device 60 according to an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of a second access device 70 according to an embodiment of the present invention
- FIG. 8 is a schematic structural diagram of still another second access device 80 according to an embodiment of the present invention.
- radio access technologies include, but are not limited to, global system for mobile communications (GSM), general packet radio service (GPRS) systems, code division multiple access (CDMA) System, CDMA2000 system, wideband code division multiple access (WCDMA) system, long term evolution (LTE) system, global interoperability for microwave access (WiMAX) ) system, wireless local network (WLAN).
- GSM global system for mobile communications
- GPRS general packet radio service
- CDMA code division multiple access
- CDMA2000 CDMA2000 system
- WCDMA wideband code division multiple access
- LTE long term evolution
- WiMAX global interoperability for microwave access
- WLAN wireless local network
- the first access device or the second access device in the embodiments of the present invention may be a base transceiver station (BTS) in a GSM system, a GPRS system or a CDMA system, or a base station in a WCDMA system (NodeB). ), which may also be an evolved base station (evolutional node B, eNB or eNodeB) in the LTE system, or may be in a WiMAX network.
- the access service network base station (ASN BS) may be a network element such as a WLAN access point (AP) in the WLAN.
- FIG. 1 is a schematic flowchart of a method for using an unlicensed spectrum according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following content.
- the first access device receives the first indication information that is sent by the second access device, where the first indication information is used to indicate a period of time for the second access device to use the unlicensed spectrum for data transmission. (hereinafter referred to as a reserved time period), the second access device does not perform idle time of data transmission.
- the second access device may determine, in the reserved time period, the idle time that the second access device does not actually perform data transmission.
- the idle time may be a time slot or a subframe in which the second access device does not actually perform data transmission in the reserved time period.
- the reserved time period may be reserved by the management device (for example, the centralized control node or the network management system) of the second access device, and sent to the first access device by using signaling or broadcast. Or obtained by the second access device by calculation, and sent to the first access device by signaling or broadcast.
- the reserved time period may be a continuous period of time, or may be a combination of multiple time periods of a period or a combination of multiple time periods of a non-period.
- the idle time may be a continuous period of time, or may be a combination of multiple periods of a period or a period.
- the reserved time period may be determined according to the following manner: the second access device receives a buffer status report (BSR) sent by the user equipment, where
- BSR buffer status report
- the BSR includes the amount of data to be transmitted by the user equipment.
- the second access device determines a data transmission rate of the user equipment when the unlicensed spectrum is used. For example, the second access device uses the least squares method to derive the current data transmission rate of the user equipment according to the data transmission rate of the user equipment transmitted at the historical time. The second access device divides the amount of data to be transmitted by the user equipment by the calculated data transmission rate of the user equipment, to obtain the reserved time period. As an example, after calculating the reserved time period, the idle time may be determined according to the following manner: the second access device selects a modulation and coding scheme (MCS) for the user equipment according to the channel quality. And calculating the transmission time of the data transmission between the second access device and the user equipment. The reserved time period is subtracted from the transmission time to obtain the idle time.
- MCS modulation and coding scheme
- the idle time may also be determined according to the following manner: In the case of one uplink data transmission, the second access device record is sent to the user equipment for The time when the user equipment is scheduled to send the signaling of the uplink data and the time when the uplink data sent by the user equipment is received, the difference between the two times is the idle time in one uplink data transmission. When there are multiple uplink data transmissions, the idle time in the reserved time period is the sum of idle times in multiple uplink data transmissions.
- the second access device may send the first indication information to the first access device in a broadcast manner.
- the second access device may also send the first indication information to the first access device by using the existing signaling to carry the first indication information.
- the first indication information may have multiple implementation forms:
- the first indication information may indicate that the idle time is a continuous time composed of a start time and a duration.
- the idle time may be in units of time slots or in units of subframes.
- the starting time may represent the beginning of the first few subframes
- the duration may represent the duration of several subframes.
- the start time is 1 and the duration is 4 ⁇
- it represents the next subframe after the subframe in which the first indication information is sent, and continues for 4 subframes, and the period of time is the idle time.
- the start time can represent the start of the first time slot
- the duration can represent several time slots.
- start time is 1 and the duration is 4 ⁇
- the start time represents the next time slot after the time slot in which the first indication information is sent, and lasts for 4 time slots, and the time is the idle time.
- the initial time is 1 and the duration is infinite ⁇
- it may represent the next time slot after the time slot in which the first indication information is sent, and continues until the end of the reserved time period.
- the time is the free time.
- the first indication information may indicate that the start time and the periodic time formed by the period are the idle time.
- the idle time can be in units of time slots or in units of subframes. For example, when the ⁇ starting time is 1 and the period is 5 ⁇ , it may indicate that the next time slot or subframe after the time slot in which the first indication information is sent is started, every 5 time slots or subframes, It can be used as the idle time in the reserved time period.
- the set of the sequence number of the time slot or the sequence number of the sub-frame included in the idle time is an arithmetic progression in chronological order.
- the current unlicensed spectrum is mainly used by a device using a wireless fidelity (wifi) technology
- the wifi module is installed on the first access device and the second access device to support wifi technology.
- the first indication information sent by the second access device may be carried in a wifi frame, for example, a clear-to-send (CTS) frame, and a request-to-send (request-to-send, RTS) frames, beacon frames, acknowledgement frames or traffic data frames, and so on.
- CTS clear-to-send
- RTS request-to-send
- beacon frames acknowledgement frames or traffic data frames
- the CTS frame, the RTS frame, the beacon frame, and the acknowledgement frame are signaling frames
- the service data frame is a data frame.
- the first access device uses the unlicensed spectrum to perform data transmission during the idle time.
- data transmission includes traffic data transmission or signaling data transmission.
- the method before the first access device receives the first indication information sent by the second access device, the method further includes: Steps S099 and S100.
- step S099 the first access device receives the second sent by the second access device. Instructing information, the second indication information is used to indicate the reserved time period.
- the second access device may send the second indication information to the first access device in a broadcast manner.
- the second access device may also send the second indication information to the first access device by using the existing signaling to carry the two indication information.
- the second indication information may be carried in a wifi frame, such as a CTS frame or an RTS frame. , beacon frame, acknowledgement frame or business data frame, and so on.
- the second indication information may be sent in the same wifi frame as the first indication information, or may be carried in different wifi frames.
- the first access device stops data transmission during the reserved time period.
- the first access device may stop using the unlicensed spectrum for data transmission during the reserved time period to avoid the first access device and the second Mutual interference caused by the access device using the unlicensed spectrum at the same time.
- the first access device may still use the unlicensed spectrum for data transmission in the idle time in the reserved time period indicated by the first indication information.
- the first access device performs data transmission on the idle time by using the radio access technology, where: the first access device determines whether the radio access technology is supported. Such as If the first access device uses the wireless access technology to perform data transmission on the idle time.
- the time length of the time slot or the subframe may be different after the first access device receives the idle time indicated by the second access device, if The first access device does not use the same radio access technology as the second access device, and may need to convert the idle time indicated by the second access device to the first access device.
- the idle time corresponding to the wireless access technology used. For example, for one subframe of the LTE system, 1 ms, one subframe contains two slots, one slot is 0.5 ms; for a WCDMA system, one subframe is 2 ms, one subframe is 3 slots, and one slot is 0.666 ms.
- the radio access technology used by the second access device is WCDMA
- the idle time sent by the second access device to the first access device is the 10th subframe. If the wireless access technology of the first access device using the unlicensed spectrum is also WCDMA, the first access device performs data transmission in the 10th subframe.
- the 10th subframe of WCDMA is 19ms to 20ms, corresponding to the 19th subframe and the 20th subframe of LTE (corresponding to the 37th slot, the 38th slot, the 39th slot, and the 40th slot)
- the first access device uses the radio access technology to perform data transmission on the 19th subframe or the 20th subframe for the LTE on the unlicensed spectrum, thereby effectively utilizing the idle time of the second access device.
- the first access device may perform data transmission in the idle time by using a different radio access technology than the second access device. Further, in order to avoid interference that may be generated by the first access device and the second access device using different radio access technologies, the first access device may preferentially use the same as the second access device. Wireless access technology, in the reserved time period During the idle time, data transmission is performed.
- the first access device may learn, by using the third access indication information, the used radio access technology when the second access device uses the unlicensed spectrum.
- the first access device may perform data transmission on the idle time using the same radio access technology used by the second access device when using the unlicensed spectrum, thereby avoiding Interference generated by an access device and the second access device using different radio access technologies.
- the WLAN AP performs data transmission on the unlicensed spectrum to provide service services for the user equipment.
- the WLAN AP broadcasts a CTS frame, where the CTS frame carries the first indication information, where the first indication information is used to indicate that the data is reserved for the WLAN AP to use the unlicensed spectrum for data transmission.
- the eNB receives the CTS frame, and parses the idle time indicated in the CTS frame.
- the eNB performs data transmission by using the unlicensed spectrum on the idle time.
- the eNB may directly use the wifi technology to perform the number on the idle time.
- the eNB may convert the idle time into a corresponding time slot or a subframe in the LTE system, and use the LTE technology to perform data transmission on the converted idle time. For example, assume that the time of the WLAN AP and the eNB are synchronized, and both start timing from the first millisecond.
- the idle time indicated by the WLAN AP is 5th to 8th milliseconds, and the eNB may directly use the unlicensed spectrum for data transmission from 5th to 8th milliseconds using wifi technology; or If 1 millisecond is the length of one subframe in the LTE system, or the length of two slots, the eNB may use the LTE technology in the 5th subframe to the 8th subframe (corresponding to the 9th slot to the 16th) The time slots) use the unlicensed spectrum for data transmission.
- the CTS frame can also be replaced with other wifi frames, for example, an RTS frame, a beacon frame, an acknowledgement frame, or a service data frame.
- the eN B uses the non- The licensed spectrum is used for data transmission, so that the unlicensed spectrum in this idle time can be fully utilized, and resource waste is reduced.
- FIG. 3 is a schematic flowchart of a method for using an unlicensed spectrum according to still another aspect of an embodiment of the present invention.
- the method embodiment shown in FIG. 3 is a further refinement of the method embodiment shown in FIG. 1.
- the first access device is an eNB in an LTE system
- the second access device is a NodeB in a WCDMA system.
- the method embodiment shown in FIG. 3 includes the following.
- the NodeB uses the unlicensed spectrum to perform data transmission, and sends the first indication information to the eNB by using a signaling, where the first indication information is used to indicate that the NodeB is in a period of time reserved for data transmission by the NodeB. No idle time for data transfer.
- the eNB parses the idle time from receiving the signaling, and uses the unlicensed spectrum to perform data transmission on the idle time.
- the NodeB may further send the third indication information to the eNB by using signaling.
- the third indication information is used to indicate that the radio access technology used by the NodeB is WCDMA, and if the eNB supports the WCDMA technology, the WCDMA technology may be used to receive the idle time, according to the The time slot or subframe indicated by the idle time is used for data transmission. If the eNB does not support the WCDMA technology, the idle time sent by the NodeB may be converted into an idle time slot or an idle subframe corresponding to the LTE technology, and the idle time slot or the idle child corresponding to the LTE technology Data transmission on the frame.
- FIG. 4 is a schematic flowchart of a method for using an unlicensed spectrum according to still another aspect of the present invention.
- the method embodiment shown in FIG. 4 is a further refinement of the method embodiment shown in FIG. 1.
- the first access device is an eNB1 in an LTE system
- the second access device is an eNB2 in an LTE system.
- the method embodiment shown in FIG. 4 includes the following.
- the eNB2 uses the unlicensed spectrum for data transmission, and sends the first indication information to the eNB1 by using a broadcast or signaling, where the first indication information is used to indicate a period of time reserved for the eNB2 to use the unlicensed spectrum. The idle time in which the eNB2 does not perform data transmission.
- the eNB2 may further send the third indication information to the eNB1, where the third indication information is used to indicate that the radio access technology used by the NodeB is LTE, and the ⁇ 1 uses LTE technology. Data transmission is performed during the idle time.
- the eNB1 uses the unlicensed spectrum on the same unlicensed spectrum, and in an idle time in which no data transmission is performed in a time period reserved for data transmission by the eNB2. Data transmission, making this unprivileged frequency in idle time Spectrum can be fully utilized, reducing resource waste.
- data transmission by different radio access technologies may not be the same according to different wireless access technologies.
- CSMA/CD carrier sense multiple access with collision detection
- OFDM orthogonal frequency division multiplexing
- FIG. 5 is a schematic structural diagram of a first access device 50 according to an embodiment of the present invention, including: a receiving unit 51 and a transmitting unit 52.
- the idle time is a time slot or a subframe in which the second access device does not perform data transmission in the reserved time period.
- the receiving unit 51 is further configured to receive second indication information that is sent by the second access device, where the second indication information is used for the reserved time.
- the transmission unit 52 is specifically configured to stop data transmission during the reserved time period. If the access unit 51 receives the first indication information, the transmission unit 52 may follow the indication of the first indication information, in the reserved time period, the second access device does not The unlicensed spectrum is used for data transmission during an idle period in which data transmission is performed.
- the receiving unit 51 is further configured to receive third indication information, where the third indication information is The radio access technology is used to indicate the second access device, and the transmission unit 52 is specifically configured to perform data transmission by using the radio access technology on the unlicensed spectrum and the idle time.
- the transmitting unit 52 includes a determining subunit 521 and an executing subunit 522.
- the determining sub-unit 521 is configured to determine whether the first access device supports the radio access technology
- the executing sub-unit 522 is configured to determine, in the determining sub-unit 521, the first When the access device supports the radio access technology, the radio access technology is used for data transmission on the unlicensed spectrum and the idle time.
- Each unit in this embodiment may be an independent hardware entity or may be integrated into a single hardware entity.
- FIG. 6 is a schematic structural diagram of still another first access device 60 according to an embodiment of the present invention, including: a receiver 61, a transmitter 62, and the receiver 61 and the transmitter 62 pass The bus (bus) 63 is connected.
- the receiver 61 is configured to receive the first indication information that is sent by the second access device, where the first indication information is used to indicate that the second access device does not perform data transmission in the reserved time period. free time.
- the receiver 61 and the transmitter 62 are configured to perform data transmission on the idle time using the unlicensed spectrum.
- the idle time is a time slot or a subframe in which the second access device does not perform data transmission in the reserved time period.
- the receiver 61 is further configured to receive the second indication information that is sent by the second access device, where the second indication information is used to indicate the reserved time period. Further, the receiver 61 and the transmitter 62 are further configured to stop data transmission before receiving the first indication information. After the receiver 61 receives the first indication information sent by the second access device, the receiver
- the transmitter 61 and the transmitter 62 may use the unlicensed spectrum according to the indication of the first indication information Data transmission is performed during the idle time.
- the receiver 61 is further configured to receive third indication information, where the third indication information is used to indicate a radio access technology used by the second access device; and correspondingly, the receiver 61 And the transmitter 62 is specifically configured to perform data transmission by using the radio access technology on the unlicensed spectrum and the idle time.
- the first access device may further include a processor 64, where the processor 64 may determine whether the first access device supports the second access device indicated by the third indication information. The wireless access technology used. If so, the processor 64 controls the receiver 61 and the transmitter 62 to use the radio access technology for data transmission over the unlicensed spectrum and the idle time.
- the processor 64 can control the receiver 61 and the transmitter 62 not to perform data transmission on the unlicensed spectrum and the idle time, or the processor 64 will use the idle time. Converting to a time corresponding to the radio access technology supported by the first access device, and controlling, at the time, the receiver 61 and the transmitter 62 to use the wireless connection supported by the first access device Into the technology for data transmission.
- the processor 64 may be various central processing units, field programmable gate arrays, signal processors, etc., and the receiver 61 and the transmitter 62 may be an antenna or a radio frequency processing unit or the like.
- the processor 64 may be various central processing units, field programmable gate arrays, signal processors, etc.
- the receiver 61 and the transmitter 62 may be an antenna or a radio frequency processing unit or the like.
- the idle time of data transmission is not performed on the same unlicensed spectrum and during the period in which the second access device is reserved for data transmission.
- the first access device uses the unlicensed spectrum for data transmission, so that the unlicensed spectrum in the idle time can be fully utilized, thereby reducing resource waste.
- FIG. 7 is a schematic structural diagram of a second access device 70 according to an embodiment of the present invention, including: an acquiring unit 71, configured to acquire, in a time period reserved for a second access device to use an unlicensed spectrum for data transmission The idle time of the second access device is not used for the data transmission; the sending unit 72 is configured to send the idle time to the first access device, where the idle time is used to indicate the A period of time during which the first access device uses the unlicensed spectrum for data transmission.
- the obtaining unit 71 obtains a time period reserved for the second access device to use the unlicensed spectrum for data transmission and the method for the idle time, and may refer to the method embodiment. .
- the idle time is a time slot or a sub-time in which the second access device does not perform data transmission in a time period reserved for the second access device to use the unlicensed spectrum for data transmission. frame.
- the sending unit 72 is further configured to send the second indication information to the first access device, where the second indication information is used to indicate that the second access device is reserved for using the unauthorized The time period during which the spectrum is transmitted.
- the sending unit 72 is further configured to send the third indication information to the first access device, where the third indication information is used to indicate the radio access technology used by the second access device. So that the first access device performs data transmission using the wireless access technology in the unlicensed spectrum and the idle time.
- FIG. 8 is a schematic diagram of still another structure of a second access device 80 according to an embodiment of the present invention, including: a processor 81, a receiver 82, wherein the processor 81 and the receiver 82 are connected by a bus 83.
- the processor 81 is configured to acquire an idle time in which the second access device does not perform data transmission in a time period reserved for the second access device to use the unlicensed spectrum for data transmission.
- the transmitter 82 is configured to send the idle time to the first access device, where the idle time is used to indicate a time period during which the first access device uses the unlicensed spectrum for data transmission.
- the idle time is a time slot or a sub-time in which the second access device does not perform data transmission in a time period reserved for the second access device to use the unlicensed spectrum for data transmission. frame.
- the transmitter 82 is further configured to send the second indication information to the first access device, where the second indication information is used to indicate that the second access device is reserved for use by the second access device.
- the transmitter 82 is further configured to send the third indication information to the first access device, where the third indication information is used to indicate the radio access technology used by the second access device. So that the first access device performs data transmission using the wireless access technology in the unlicensed spectrum and the idle time.
- the idle time of data transmission is not performed on the same unlicensed spectrum and during the period in which the second access device is reserved for data transmission.
- the first access device uses the unlicensed spectrum for data transmission, so that the unlicensed spectrum in the idle time can be fully utilized, thereby reducing resource waste.
- the disclosed system, 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 components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network 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 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 method of 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 disk or an optical disk, and the like, and the program code can be stored. Medium.
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CN201380004281.1A CN104782156B (zh) | 2013-11-11 | 2013-11-11 | 非授权频谱的使用方法和设备 |
EP13897187.4A EP3048831B1 (en) | 2013-11-11 | 2013-11-11 | Usage method and devices for unlicensed spectrum |
US15/152,268 US10142850B2 (en) | 2013-11-11 | 2016-05-11 | Method and device for using unlicensed spectrum |
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EP3048831B1 (en) | 2018-01-10 |
US20160255507A1 (en) | 2016-09-01 |
US10142850B2 (en) | 2018-11-27 |
EP3048831A4 (en) | 2016-10-12 |
KR20160065971A (ko) | 2016-06-09 |
CN104782156A (zh) | 2015-07-15 |
KR101853751B1 (ko) | 2018-05-02 |
EP3048831A1 (en) | 2016-07-27 |
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