WO2016150167A1 - 无线通信设备和无线通信方法 - Google Patents

无线通信设备和无线通信方法 Download PDF

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Publication number
WO2016150167A1
WO2016150167A1 PCT/CN2015/093972 CN2015093972W WO2016150167A1 WO 2016150167 A1 WO2016150167 A1 WO 2016150167A1 CN 2015093972 W CN2015093972 W CN 2015093972W WO 2016150167 A1 WO2016150167 A1 WO 2016150167A1
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WIPO (PCT)
Prior art keywords
wireless communication
frequency band
base station
user equipment
unlicensed
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Ceased
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PCT/CN2015/093972
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English (en)
French (fr)
Inventor
崔琪楣
陶小峰
周翔
刘佳慧
陈宁宇
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Sony Corp
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Sony Corp
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Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to US15/547,188 priority Critical patent/US10462782B2/en
Priority to CA2978983A priority patent/CA2978983A1/en
Priority to EP15886089.0A priority patent/EP3273716A4/en
Priority to KR1020177025948A priority patent/KR20170129136A/ko
Publication of WO2016150167A1 publication Critical patent/WO2016150167A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/27—Control channels or signalling for resource management between access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • the present disclosure generally relates to the field of wireless communications, and more particularly, to a wireless communication device for a base station side, a wireless communication device for a user equipment side, and a wireless communication method.
  • LTE Long Term Evolution
  • the small cell is a low-power wireless access node that operates in an authorized, unlicensed spectrum and can cover a range of 10 meters to 200 meters.
  • the LTE network deployed in the licensed band will be widely deployed worldwide.
  • the LTE wireless interface and transmission mechanism can be adjusted to enable unlicensed spectrum resources for data transmission. This technology is called LAA (Authorized Auxiliary Access) - LTE.
  • a wireless communication device for a base station side comprising one or more processors, the one or more processors configured to: determine a user for the base station on a target unlicensed frequency band The communication content of the device to be transmitted and predicting the transmission progress, and generating indication information about the progress of the transmission and adding the indication information to the communication frame of the user equipment for transmitting the indication information.
  • a method of wireless communication comprising the steps of determining a communication content to be transmitted for a user equipment of the base station on a target unlicensed frequency band and predicting a transmission progress, and generating indication information about a transmission progress. And adding the indication information to the communication frame of the user equipment for transmitting the indication information.
  • a wireless communication device for a user equipment side comprising one or more processors, the one or more processors configured to: detect an unlicensed frequency band; and parse the communication frame of the base station And indication information about a transmission progress of the communication content to be transmitted on the unlicensed frequency band; and generating feedback information for the serving base station of the user equipment based on the detection result of the unlicensed frequency band.
  • a method for wireless communication performed on a user equipment side includes the step of detecting an unlicensed frequency band, and parsing a transmission progress of the communication content to be transmitted on the unlicensed frequency band included in the communication frame of the base station a step of indicating information, and generating feedback information for the serving base station of the user equipment based on the detection result of the unlicensed frequency band.
  • a wireless communication device for a base station side comprising one or more processors, the one or more processors configured to detect availability of an unlicensed band; availability based on unlicensed bands Initially allocating a corresponding unlicensed frequency band to the user equipment of the base station; and generating an interference signal corresponding to the pilot sequence corresponding to the cell of the base station without including the data information for the corresponding unlicensed frequency band, thereby indicating that the base station intends to connect within a certain time period Enter the corresponding unlicensed band.
  • FIG. 1 is a block diagram showing a configuration example of a wireless communication device for a base station side according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing a configuration example of a wireless communication device for a base station side according to another embodiment of the present invention
  • FIG. 3 is a block diagram showing a configuration example of a wireless communication device for a base station side according to still another embodiment of the present invention.
  • FIG. 4 is a block diagram showing a configuration example of a wireless communication device for a base station side according to another embodiment of the present invention.
  • FIG. 5 is a block diagram showing a configuration example of a wireless communication device for a base station side according to still another embodiment of the present invention.
  • FIG. 6 is a block diagram showing a configuration example of a wireless communication device for a base station side according to another embodiment of the present invention.
  • FIG. 7 is a flowchart showing an example of a procedure of a wireless communication method performed on a base station side according to an embodiment of the present invention.
  • FIG. 8 is a block diagram showing a configuration example of a wireless communication device for a user equipment side according to an embodiment of the present invention.
  • FIG. 9 is a block diagram showing a configuration example of a wireless communication device for a user equipment side according to another embodiment of the present invention.
  • FIG. 10 is a block diagram showing a configuration example of a wireless communication device for a user equipment side according to still another embodiment of the present invention.
  • FIG. 11 is a flowchart showing an example of a procedure of a wireless communication method performed on a user equipment side according to an embodiment of the present invention
  • FIG. 12 is a block diagram showing an exemplary structure of a computer that implements the method and apparatus of the present disclosure
  • FIG. 13 is a block diagram showing an example of a schematic configuration of a smartphone that can apply the technology of the present disclosure
  • Figure 14 is a schematic diagram for explaining an occupation signal in an embodiment of the present invention.
  • Figure 15 is a schematic diagram for explaining an example process according to a specific embodiment
  • 16 is a block diagram showing an example of a schematic configuration of an eNB (Evolved Base Station) to which the technology of the present disclosure can be applied.
  • eNB Evolved Base Station
  • the wireless communication device 100 includes a processor 110.
  • the determination unit 111 and the generation unit 113 in the processor 110 are shown in the form of functional modules in the drawings, it should be understood that the functions of the determination unit 111 and the generation unit 113 may also be implemented by the processor 110 as a whole. This is achieved, and is not necessarily achieved by separate physical components in processor 110.
  • the processor 110 is illustrated by a dashed box in the figure, the communication device 100 may include a plurality of processors, and the functions of the determining unit 111 and the generating unit 113 may be distributed to a plurality of processors, thereby being processed by a plurality of The devices work together to perform these functions.
  • the determining unit 111 is configured to determine a communication to be transmitted of the user equipment for the base station on the target unlicensed frequency band and to predict a transmission schedule.
  • the data transmitted by the LAA (Licensed Assisted Access) band is pure data, while in other examples, the signaling information may be transmitted through the LAA band in addition to the data.
  • the LAA band is usually used in combination with the licensed band by carrier aggregation, and as an example of applying an unlicensed band in a cellular communication system, in some examples, the unlicensed band resources can also be stand-alone (stand-alone). It is used, and the invention is not intended to be limiting.
  • the transmission progress may be the remaining time of the communication content transmission, for example, the transmission remaining time may be estimated by calculating the transmitted data size and the current transmission rate.
  • the present invention is not limited thereto, and for example, the transmission progress may be indicated by the remaining amount of data to be transmitted.
  • the transmission progress may also be indicated by the time that has been transmitted.
  • the generating unit 113 generates indication information about the progress of the transmission and adds the indication information to the communication frame of the user equipment to transmit the indication information.
  • the generated indication information may be included in a broadcast subframe for coordination with other communication devices.
  • the broadcast subframe may be a common channel subframe, and accordingly, the generating unit 113 may further include information related to a physical cell identifier (PCI) of the base station to the public.
  • Co-channel subframes are used for coordination with other communication devices, for example, by transmitting a synchronization signal in a common channel subframe to implicitly indicate PCI.
  • the wireless communication device 100 can add the indication information to the communication frame containing the content to be transmitted to transmit on the target unlicensed frequency band, thereby reducing the detection of the transmission progress/idle time on the target unlicensed band by the other device. the complexity.
  • the indication information may be added to the broadcast subframe on the licensed frequency band without being transmitted together with the content to be transmitted, where the unlicensed frequency band ID corresponding to the indication information needs to be included in the broadcast subframe.
  • LTE users must follow the discontinuous transmission of limited maximum transmission time in the unlicensed band carrier.
  • a signal indicating the remaining time of the transmission may be periodically added to the transmitted data to indicate, for example, the transmission progress of the current frequency band of other operators, such as the remaining time of transmission, and the like.
  • the unlicensed band transmission indication signal can be transmitted in the broadcast subframe to enable the base station and the user of different operators to detect the information to achieve coordination/coexistence of utilization of the unlicensed band between the different operators.
  • the LTE communication system operated by the second operator may determine the available transmission time remaining during the limited maximum transmission time according to the transmission progress of the LTE communication system of the first operator on the unlicensed frequency band and prepare for transmission.
  • the broadcast subframe is a Multicast Broadcast Single Frequency Network (MBSFN) subframe.
  • MMSFN Multicast Broadcast Single Frequency Network
  • Multimedia Broadcast Multicast Service supports multicast and broadcast services in cellular systems, thereby providing simultaneous multicast, broadcast, and unicast services in a single network.
  • this kind of propagation is called MBMS Single Frequency Network (MBSFN).
  • MBSFN MBMS Single Frequency Network
  • multiple cells participating in MBSFN transmission transmit identical information on the specified MBSFN subframe, for the user equipment.
  • the signal waveforms from multiple cells are identical, so that it can be considered to receive a single signal that has undergone multipath transmission from a single cell, thus providing the following benefits:
  • the terminal may use signal energy received from the plurality of cells;
  • Additional diversity is generated against wireless channel fading because the information is received from several geographically separated locations, which typically results in a strong time dispersion, or strong frequency selectivity, for the overall composite channel.
  • the inventor subverts the knowledge of the traditional MBSFN transmission, and does not require the multi-cell to transmit the same information in the MBSFN transmission of the multi-cell, and the user equipment pair is no longer needed.
  • the MBSFN transmission content of the multi-cell is combined, and each cell is designed to carry the transmission progress information of each of the unlicensed frequency bands by using the MBSFN subframe, whereby the user equipment and/or the base station in the LTE communication system can be easily on the specific transmission resource ( For example, the frequency points and subframes that are uniformly set in advance are read.
  • the MBSFN transmission content from multiple cells (for example, managed by different operators) is read, and the unlicensed frequency band transmission progress of each cell is determined based on the decoding result of the MBSFN subframe.
  • the interaction between cells is not forced, and there is no need to design a new subframe structure, so that the coordinated use of unlicensed spectrum between different operators becomes simple and easy.
  • the base station can, for example, send an indication signal every two frames to indicate the remaining transmission time it needs. For example, when other base stations or users detect the sequence "11" in the MBSFN, they can know that there are still three MBSFN subframes remaining in the frequency band, that is, the base station currently transmitting still has six frames to transmit. Other base stations can use this information to decide whether to wait for access after the current band transmission is completed.
  • the MBSFN may also join the PCI information of the base station to help the UE distinguish which cell the received MBSFN subframe comes from.
  • the interval at which the base station sends the indication signal may be set to different values according to the limitation of the limited maximum transmission time. For example, when the limited maximum transmission duration is less than 30 ms, it may be set to send an indication signal in each frame.
  • the UE can learn the PCI of the same carrier base station by using the current system information, for example, the white list on the SIB information. If the PCI detected by the user is not above the white list, the UE can determine that the PCI belongs to other Operator. If the detected PCI is on the white list, it can be judged that the signal is from an adjacent co-operator. Thereby, the UE can feed back the corresponding detection result to the serving base station for the base station to decide the coexistence strategy on the unlicensed frequency band.
  • the current system information for example, the white list on the SIB information. If the PCI detected by the user is not above the white list, the UE can determine that the PCI belongs to other Operator. If the detected PCI is on the white list, it can be judged that the signal is from an adjacent co-operator. Thereby, the UE can feed back the corresponding detection result to the serving base station for the base station to decide the coexistence strategy on the unlicensed frequency band.
  • the wireless communication device 200 includes a processor 210 including a determination unit 211, a generation unit 213, and a detection unit 215.
  • the determining unit 211 and the generating unit 213 are similar to the determining unit 111 and the generating unit 113 explained earlier with reference to FIG.
  • the detecting unit 215 is configured to detect an unlicensed frequency band, estimate an available unlicensed frequency band based on the detection result, and select one or more candidate frequency bands for the user equipment.
  • the wireless communication device 200 further includes a transceiver 220 configured to notify the user device of the selected one or more candidate frequency bands.
  • the detecting unit 215 can perform detection of the unlicensed frequency band by controlling the transceiver device 220.
  • the unlicensed band 5470MHz to 5725MHz may be occupied by radar systems or Wi-Fi users.
  • the wireless communication device can, for example, perform full-band detection on the unlicensed frequency band and generate a list of information including available unlicensed frequency bands based on the detection result, such as Table 1 below.
  • the base station can separately send the obtained available frequency band information to each user who needs to transmit data in the unlicensed frequency band. More specifically, the base station can allocate available frequency bands according to different data transmission requirements of the user. For example, users with greater data transmission needs can preferentially obtain wider unlicensed band resources.
  • the user equipment after receiving the frequency band information from the base station, the user equipment itself may also detect the specific frequency band to reduce interference that may be caused to the current system. The user will send the feedback information to the base station after detecting the corresponding frequency band information.
  • the delay of the user equipment feedback mechanism is about 4 ms, but the access time of other systems such as the WiFi system may be shorter than 4 ms. Therefore, during this period of time feedback by the user, it is possible for the WiFi device to also detect the frequency band and find that the frequency band is currently available, so it is possible for the WiFi device to access the frequency band within 4 ms. In this case, the LTE base station cannot occupy the frequency band or the base station continues to access the frequency band, causing two systems to collide.
  • the transceiver 220 is configured to transmit an occupancy signal on a candidate frequency band within a predetermined time period after notifying the user equipment of the candidate frequency band.
  • the occupancy signal can be a beacon signal.
  • a wireless communication device for a base station side includes one or more processors, and the processor may include a detecting unit, an allocating unit, and a generating unit.
  • the detection unit is configured to detect the availability of the unlicensed band.
  • the allocation unit is configured to initially allocate a corresponding unlicensed frequency band to the user equipment of the base station based on the availability of the unlicensed frequency band.
  • the generating unit is configured to generate a pilot sequence corresponding to the cell of the base station without including the occupied signal of the data information for the corresponding unlicensed band, thereby indicating that the base station intends to access the corresponding unlicensed band within a certain period of time.
  • the wireless communication device may further include a transceiver device that can perform detection of an unlicensed frequency band and transmit a pilot sequence generated by the processor, for example, under the control of the processor.
  • the base station When the base station detects the idle frequency band in the unlicensed frequency band and allocates it to the user, it can periodically transmit the occupancy signal in the frequency band to prevent other devices from accessing the frequency band during user feedback.
  • the occupancy signal can for example be designed as a cell-specific reference signal (CRS). From the time domain, there are two CRS signals in one LTE slot. This means that the maximum time interval of the CRS signal is three OFDM symbols, which is approximately 200 us. As shown in the schematic diagram of FIG. 14, the base station can always transmit the occupancy signal until the user's feedback information is received.
  • CRS cell-specific reference signal
  • the WiFi device By transmitting the occupancy signal during the feedback time, for example, the WiFi device can be prevented from accessing the frequency band to thereby increase the access probability of LTE in the unlicensed frequency band.
  • the user equipment can also detect a particular frequency band and send feedback information to the base station.
  • this embodiment will be described with reference to FIG. 3.
  • the wireless communication device 300 includes a processor 310 and a transceiver 320.
  • the processor includes a determining unit 311, a generating unit 313, a detecting unit 315, and an allocating unit 317.
  • the determining unit 311, the generating unit 313, and the detecting unit 315 are similar to the determining unit 111, the generating unit 113, and the detecting unit 215 explained with reference to FIG. 2 described above with reference to FIG.
  • the transceiver unit 320 is configured to receive a detection result of the user equipment for the candidate frequency band.
  • the allocating unit 317 is configured to determine a target unlicensed band allocated to the user equipment according to at least the detection result of the candidate band by the user equipment.
  • the allocation of the unlicensed frequency band may be determined according to the feedback information of the user equipment, or the allocation of the unlicensed frequency band may be determined according to the detection result of the unlicensed frequency band by the base station and the feedback information of the user equipment. .
  • the detecting unit 315 may be configured to be again obtained in the case of obtaining the detection result of the user equipment for the candidate frequency band.
  • the candidate frequency band is detected, and the allocating unit 317 can be based on the detection result of the candidate frequency band by the user equipment and the result detected by the detecting unit 315 again.
  • the user equipment can indicate the detection result of the target unlicensed frequency band, for example, by the following 2-bit sequence:
  • the user equipment detects the occupied signal sent by the base station when detecting the channel. For the user equipment, if only the occupied signal sent by the base station is detected, the frequency band can be considered as available, and 00 is fed back.
  • a signal sent by another base station such as a CRS signal
  • the frequency band is unavailable (the probability of this case is low because the base station only has a time of about 4 ms of feedback).
  • the CRS signal will be sent internally, and then access, abandon or wait will be selected, so this situation simply chooses to abandon the access and does not significantly affect the access probability to the unlicensed band).
  • the base station can allocate two or more target unlicensed frequency bands to one user equipment at the same time.
  • the user equipment can separately detect the frequency bands and obtain corresponding feedback information, and the specific detection manner is related to the single frequency band. The situation is similar.
  • the base station After obtaining the feedback result of the user about the two frequency bands, the base station jointly judges whether the allocated frequency band can be used according to the self-detection result, or only a part of the frequency band can be used.
  • the channels may be labeled, for example, as shown in Table 2 below:
  • the base station allocates n channels to a certain user equipment, and the user equipment detects all the n channels after receiving the allocated channel. After all channel detection is completed, the user feeds back the detection results of the n channels to the base station, for example, channel 1: "00"; channel 2: “01”; ...; channel n: "11".
  • the base station can determine whether each channel is available independently according to the feedback result and the self-detection result.
  • the detection results of the frequency band by the user equipment and the base station can be represented by a two-bit information sequence, respectively, such as listed in Table 3 below.
  • the base station can determine the allocation of the target unlicensed frequency band based on the combination of the detection results according to different criteria.
  • the frequency band may be allocated if neither the base station nor the user equipment detects that the other base station or device uses the target unlicensed frequency band.
  • the allocation of the frequency band may be determined.
  • the use of the target frequency band can be coordinated with other base stations, which will be described later in connection with specific embodiments.
  • the available time of the corresponding unlicensed frequency band may be estimated according to the indication information, so that the corresponding frequency band is used or detected at the corresponding time.
  • the wireless communication device 400 includes a processor 410 and a transceiver 420.
  • the processor 410 includes a determining unit 411, a generating unit 413, a detecting unit 415, and a predicting unit 417. Determining unit 411, generating unit 413 and detecting unit 415 with reference to FIG. 1
  • the illustrated determining unit 111, the generating unit 113, and the detecting unit 215 described with reference to FIG. 2 are similar, and the transmitting and receiving device 420 is similar to the transmitting and receiving device 220 previously described with reference to FIG.
  • the prediction unit 417 is configured to estimate the available time of the corresponding unlicensed band based on the detected indication information about the progress of the transmission in the signals of the other base stations.
  • the wireless communication device 500 includes a processor 510 and a transceiver 520.
  • the processor 510 includes a determining unit 511, a generating unit 513, a detecting unit 515, and a coordinating unit 517.
  • the determining unit 511, the generating unit 513, and the detecting unit 515 are similar to the determining unit 111, the generating unit 113, and the detecting unit 215 described with reference to FIG. 2, which are described above with reference to FIG. 1, and the transmitting and receiving device 520 is similar to the transmitting and receiving device 520 described above with reference to FIG. .
  • the coordinating unit 517 is configured to coordinate the use of the unlicensed band with other base stations in the case of detected signals of other base stations in the same system in the unlicensed band. It should be noted that other base stations in the same system as referred to herein refer to other base stations of the same carrier of the LTE system.
  • the base station or user equipment detects that the target frequency band has LTE signals from the same carrier.
  • the base station can be coordinated, for example, via an X2 interface with other base stations that have been accessed.
  • some X2 messages related to Inter-Cell Interference Coordination (ICIC) have been defined, such as High Interference Indication (HII) and Overload Indication (OI) messages.
  • HII can be seen as an active tool for ICIC, avoiding situations where the signal-to-noise ratio is too low.
  • OI is a passive ICIC tool that basically indicates the level of interference experienced by a cell on different resources at three levels (low, medium, and high).
  • a neighboring base station that is connected to the OI for example, can change its scheduling behavior to change the interference situation of the base station that issued the OI.
  • the remaining transmission time can be determined by detecting the indication information in, for example, the MBSFN.
  • the base station can wait for the corresponding time and then detect the target frequency band again.
  • the target frequency band may also be detected after waiting for the corresponding time according to the indication information.
  • Both the base station and the user equipment have detected that the base station of different operators is using the target frequency band. In case: if the base station and the user equipment detect information from the same base station, then only need to wait for the base station to complete the transmission to access; if the detected information comes from the unused base station, then there are two different base stations.
  • the base station can reselect the new target frequency band, or the base station can wait for the two visited base stations to complete the transmission after using the target frequency band.
  • coordination unit 517 can identify other base stations in the same system based on physical cell identification (PCI) or synchronization signals (SS) in signals from other base stations.
  • the synchronization signal includes, for example, a primary synchronization signal (PSS) and a secondary synchronization signal (SSS), which can be used to calculate PCI.
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • the wireless communication device 600 includes a processor 610 and a transceiver 620.
  • the processor 610 includes a determining unit 611, a generating unit 613, a detecting unit 615, and a triggering unit 617.
  • the determining unit 611, the generating unit 613, and the detecting unit 615 are similar to the determining unit 111, the generating unit 113, and the detecting unit 215 described with reference to FIG. 2, which are described above with reference to FIG. 1, and the transceiver 620 is similar to the transceiver 620 previously described with reference to FIG. .
  • the triggering unit 617 is configured to trigger detection of the unlicensed frequency band based on the request of the user equipment and/or the quality of communication with the user equipment using the licensed frequency band. That is, the wireless communication device according to the present embodiment may trigger the detection of the unlicensed frequency band based on a predetermined condition, which may be a request from the user equipment, or may be that the communication quality using the licensed frequency band is lower than a predetermined standard, thereby requiring Applicable unlicensed bands.
  • a predetermined condition which may be a request from the user equipment, or may be that the communication quality using the licensed frequency band is lower than a predetermined standard, thereby requiring Applicable unlicensed bands.
  • the user equipment may request the base station to access the unlicensed frequency band.
  • the user equipment can also detect the unlicensed frequency band, for example, generate a frequency band information list and send it to the base station through a physical uplink control channel (PUCCH).
  • the base station can compare the list provided by the user equipment with its own list, and select a blank unlicensed frequency band detected by both the user equipment and the base station, and perform frequency band allocation.
  • the wireless communication method performed on the base station side includes:
  • S710. Determine, to the target unlicensed frequency band, the communication content to be transmitted by the user equipment of the base station, and predict the transmission progress;
  • the indication information may be added to the communication frame containing the content to be transmitted to transmit on the target unlicensed frequency band, thereby reducing the complexity of other devices detecting the transmission progress/idle time on the target unlicensed frequency band.
  • the indication information may be added to the broadcast subframe on the licensed frequency band without being transmitted together with the content to be transmitted, where the unlicensed frequency band ID corresponding to the indication information needs to be included in the broadcast subframe.
  • the indication information is included in a broadcast subframe for coordination with other communication devices, such as MBSFN subframes.
  • wireless communication device and the wireless communication method for the base station side have been described above. Further, embodiments of the present invention also include a wireless communication device and method for a user equipment side. Next, an overview of the wireless communication device and method for the user equipment side is given without repeating some of the details already discussed above.
  • a wireless communication device 800 for a user equipment side includes one or more processors 810 including a detecting unit 811, a parsing unit 813, and a generating unit 815.
  • detection unit 811, parsing unit 813, and generation unit 815 represent functions that may be implemented by processor 810 and are not necessarily actual components of processor 810.
  • the communication device 800 may include a plurality of processors that may operate together to implement the functions of the detecting unit 811, the parsing unit 813, and the generating unit 815.
  • the detecting unit 811 is configured to detect an unlicensed band.
  • detecting the unlicensed frequency band may mean detecting by controlling other components such as a transceiver.
  • the specific configuration of the detecting unit 811 can be similar to the detecting unit 215 explained earlier with reference to FIG. 2.
  • the parsing unit 813 is configured to parse the indication information about the transmission progress of the communication content to be transmitted on the unlicensed band contained in the communication frame of the base station.
  • the communication frame may be located in an unlicensed frequency band, and the communication frame may also carry the communication content to be transmitted. Alternatively, the communication frame can be located on a licensed band.
  • the indication information is included in a periodic broadcast subframe.
  • the generating unit 815 is configured to generate feedback information for the serving base station of the user equipment based on the detection result of the unlicensed frequency band.
  • the detecting unit 811 is configured to detect for one or more of the unlicensed bands specified by the serving base station, and the generating unit 815 generates corresponding feedback information.
  • the parsing unit 813 is configured to detect a multicast broadcast single frequency network subframe included in the communication frame to parse the indication information.
  • the multicast broadcast single frequency network subframe may include a physical cell identifier of the base station that sends the indication information, the parsing unit 813 is configured to parse the physical cell identifier, and the generating unit 815 determines the current occupation corresponding to the physical cell identifier.
  • a wireless communication device 900 for a user equipment side includes a processor 910 including a detecting unit 911, a parsing unit 913, a generating unit 915, and a requesting unit 917.
  • the configuration of the detecting unit 911, the analyzing unit 913, and the generating unit 915 is similar to the detecting unit 811, the analyzing unit 813, and the generating unit 815 described above with reference to FIG.
  • the requesting unit 917 is configured to generate an unlicensed band request for requesting triggering detection and allocation of the unlicensed band if the quality of communication using the licensed band with the serving base station of the wireless communication device 900 is below a predetermined level .
  • the requesting unit 917 can send the request, for example, through scheduling request (SR) signaling.
  • SR scheduling request
  • the wireless communication device 1000 includes one or more processors 1010 and a transceiver device 1020.
  • the processor 1010 includes a detecting unit 1011, a parsing unit 1013, and a generating unit 1015.
  • the configuration of the detecting unit 1011, the analyzing unit 1013, and the generating unit 1015 is similar to the detecting unit 811, the analyzing unit 813, and the generating unit 815 described above with reference to FIG.
  • the transceiver 1020 is configured to send feedback information to the serving base station through a licensed frequency band.
  • the generating unit 1015 may generate a PUCCH including feedback information, and the transceiver 1020 may transmit the feedback information through the primary carrier.
  • the generating unit 1015 may generate media access control (MAC) signaling including feedback information, and the transceiver 1020 may send the signaling through the primary carrier.
  • MAC signaling is more suitable for the case of having multiple candidate frequency bands.
  • the wireless communication method performed on the user equipment side includes:
  • the communication frame may be located in an unlicensed frequency band, and the communication frame may also carry the communication content to be transmitted. Alternatively, the communication frame can be located on a licensed band;
  • S1130 Generate feedback information for the serving base station of the user equipment based on the detection result of the unlicensed frequency band.
  • the base station eNB 1 is a serving base station of the user equipment UE.
  • eNB 1 creates a list of available unlicensed bands.
  • eNB 1 notifies the UE of the target unlicensed band.
  • eNB 1 transmits an occupancy signal on the target unlicensed band to prevent other devices from accessing the band.
  • the UE and the eNB 1 respectively detect whether the target unlicensed band is used by other devices. It should be pointed out here that before ST1, eNB 1 can also perform the corresponding detection process.
  • the UE feeds back the detection result to the eNB 1.
  • the eNB 1 determines the allocation of the unlicensed band in conjunction with the detection result from the UE and the detection result performed by the eNB 1 itself, and performs corresponding configuration at ST8 to apply the unlicensed band.
  • the various steps of the above methods, as well as the various constituent modules and/or units of the above-described apparatus may be implemented as software, firmware, hardware or a combination thereof.
  • a program constituting software for implementing the above method may be installed from a storage medium or a network to a computer having a dedicated hardware structure (for example, the general-purpose computer 1200 shown in FIG. 12), which is installed.
  • a dedicated hardware structure for example, the general-purpose computer 1200 shown in FIG. 12
  • an arithmetic processing unit i.e., CPU 1201 executes various processes in accordance with a program stored in a read only memory (ROM) 1202 or a program loaded from a storage portion 1208 to a random access memory (RAM) 1203.
  • ROM read only memory
  • RAM random access memory
  • data required when the CPU 1201 executes various processes and the like is also stored as needed.
  • the CPU 1201, the ROM 1202, and the RAM 1203 are linked to each other via a bus 1204.
  • Input/output interface 1205 is also linked to bus 1204.
  • an input/output interface 1205 an input portion 1206 (including a keyboard, a mouse, etc.), an output portion 1207 (including a display such as a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc.) , storage part 1208 (including hard disk, etc.), communication part 1209 (including network interface cards such as LAN cards, modems, etc.).
  • the communication section 1209 performs communication processing via a network such as the Internet.
  • Driver 1210 can also be linked to input/output interface 1205 as needed.
  • a removable medium 1211 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory or the like is mounted on the drive 1210 as needed, so that a computer program read therefrom is installed into the storage portion 1208 as needed.
  • a program constituting the software is installed from a network such as the Internet or a storage medium such as the detachable medium 1211.
  • such a storage medium is not limited to the removable medium 1211 shown in FIG. 12 in which a program is stored and distributed separately from the device to provide a program to the user.
  • the detachable medium 1211 include a magnetic disk (including a floppy disk (registered trademark)), an optical disk (including a compact disk read only memory (CD-ROM) and a digital versatile disk (DVD)), and a magneto-optical disk (including a mini disk (MD) (registered trademark) )) and semiconductor memory.
  • the storage medium may be a ROM 1202, a hard disk included in the storage portion 1208, or the like, in which programs are stored, and distributed to the user together with the device containing them.
  • Embodiments of the present invention also relate to a program product for storing a machine readable instruction code.
  • the instruction code is read and executed by a machine, the above-described method according to an embodiment of the present invention can be performed.
  • a storage medium for carrying a program product storing the above-described storage machine readable instruction code is also included in the disclosure of the present invention.
  • the storage medium includes, but is not limited to, a floppy disk, an optical disk, a magneto-optical disk, a memory card, a memory stick, and the like.
  • Embodiments of the present application also relate to the following electronic devices.
  • the electronic device can be implemented as any type of evolved Node B (eNB), such as a macro eNB and a small eNB.
  • the small eNB may be an eNB covering a cell smaller than the macro cell, such as a pico eNB, a micro eNB, and a home (femto) eNB.
  • the electronic device can be implemented as any other type of base station, such as a NodeB and a base transceiver station (BTS).
  • BTS base transceiver station
  • the electronic device can include: a body (also referred to as a base station device) configured to control wireless communication; and one or more remote wireless headends (RRHs) disposed at a different location than the body.
  • a body also referred to as a base station device
  • RRHs remote wireless headends
  • various types of terminals which will be described below, can operate as a base station by performing base station functions temporarily or semi-persistently.
  • the electronic device can be implemented as a mobile terminal (such as a smart phone, a tablet personal computer (PC), a notebook PC, a portable game terminal, a portable/encrypted dog type mobile router, and a digital camera device) or Vehicle terminal (such as car navigation equipment).
  • the electronic device may be a wireless communication module (such as an integrated circuit module including a single or a plurality of wafers) mounted on each of the above terminals.
  • FIG. 13 is a block diagram showing an example of a schematic configuration of a smartphone 2500 to which the technology of the present disclosure can be applied.
  • the smart phone 2500 includes a processor 2501, a memory 2502, a storage device 2503, an external connection interface 2504, an imaging device 2506, a sensor 2507, a microphone 2508, an input device 2509, a display device 2510, a speaker 2511, a wireless communication interface 2512, and one or more An antenna switch 2515, one or more antennas 2516, a bus 2517, a battery 2518, and an auxiliary controller 2519.
  • the processor 2501 may be, for example, a CPU or a system on chip (SoC), and controls the functions of the application layer and the other layers of the smartphone 2500.
  • the memory 2502 includes a RAM and a ROM, and stores data and programs executed by the processor 2501.
  • the storage device 2503 may include a storage medium such as a semiconductor memory and a hard disk.
  • the external connection interface 2504 is an interface for connecting an external device such as a memory card and a universal serial bus (USB) device to the smartphone 2500.
  • USB universal serial bus
  • the image pickup device 2506 includes an image sensor such as a charge coupled device (CCD) and a complementary metal oxide semiconductor (CMOS), and generates a captured image.
  • Sensor 2507 can include a set of sensors, such as a measurement sensor, a gyro sensor, a geomagnetic sensor, and an acceleration sensor.
  • the microphone 2508 converts the sound input to the smartphone 2500 into an audio signal.
  • the input device 2509 includes, for example, a touch sensor, a keypad, a keyboard, a button, or a switch configured to detect a touch on the screen of the display device 2510, and receives an operation or information input from a user.
  • the display device 2510 includes screens such as a liquid crystal display (LCD) and an organic light emitting diode (OLED) display, and displays an output image of the smartphone 2500.
  • the speaker 2511 converts the audio signal output from the smartphone 2500 into a sound.
  • the wireless communication interface 2512 supports any cellular communication scheme (such as LTE and LTE-Advanced) and performs wireless communication.
  • Wireless communication interface 2512 may typically include, for example, BB processor 2513 and RF circuitry 2514.
  • the BB processor 2513 can perform, for example, encoding/decoding, modulation/demodulation, and multiplexing/demultiplexing, and performs various types of signal processing for wireless communication.
  • the RF circuit 2514 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives a wireless signal via the antenna 2516.
  • the wireless communication interface 2512 can be a chip module on which the BB processor 2513 and the RF circuit 2514 are integrated. As shown in FIG.
  • the wireless communication interface 2512 can include a plurality of BB processors 2513 and a plurality of RF circuits 2514.
  • FIG. 13 illustrates an example in which the wireless communication interface 2512 includes a plurality of BB processors 2513 and a plurality of RF circuits 2514, the wireless communication interface 2512 may also include a single BB processor 2513 or a single RF circuit 2514.
  • wireless communication interface 2512 can support additional types of wireless communication schemes, such as short-range wireless communication schemes, near field communication schemes, and wireless local area network (LAN) schemes.
  • the wireless communication interface 2512 can include for each type of wireless communication
  • the BB processor 2513 and RF circuit 2514 of the signaling scheme can be included in the signaling scheme.
  • Each of the antenna switches 2515 switches the connection destination of the antenna 2516 between a plurality of circuits included in the wireless communication interface 2512, such as circuits for different wireless communication schemes.
  • Each of the antennas 2516 includes a single or multiple antenna elements (such as multiple antenna elements included in a MIMO antenna) and is used by the wireless communication interface 2512 to transmit and receive wireless signals.
  • smart phone 2500 can include multiple antennas 2516.
  • FIG. 13 shows an example in which the smartphone 2500 includes a plurality of antennas 2516, the smartphone 2500 may also include a single antenna 2516.
  • smart phone 2500 can include an antenna 2516 for each wireless communication scheme.
  • the antenna switch 2515 can be omitted from the configuration of the smartphone 2500.
  • the bus 2517 has a processor 2501, a memory 2502, a storage device 2503, an external connection interface 2504, an imaging device 2506, a sensor 2507, a microphone 2508, an input device 2509, a display device 2510, a speaker 2511, a wireless communication interface 2512, and an auxiliary controller 2519. connection.
  • Battery 2518 provides power to various blocks of smart phone 2500 shown in FIG. 13 via feeders, which are partially shown as dashed lines in the figure.
  • the secondary controller 2519 operates the minimum required function of the smartphone 2500, for example, in a sleep mode.
  • the transceiver 1020 described by using FIG. 10 can be implemented by the wireless communication interface 2512. At least a portion of the functions of the units described with reference to FIGS. 8 through 10 may also be implemented by the processor 2501 or the auxiliary controller 2519. For example, the power consumption of the battery 2518 can be reduced by performing a portion of the functions of the processor 2501 by the auxiliary controller 2519. Further, the processor 2501 or the auxiliary controller 2519 can perform at least a part of the functions of the units described with reference to FIGS. 8 to 10 by executing the program stored in the memory 2502 or the storage device 2503.
  • FIG. 16 is a block diagram showing an example of a schematic configuration of an eNB to which the technology of the present disclosure can be applied.
  • the eNB 2300 includes one or more antennas 2310 and base station devices 2320.
  • the base station device 2320 and each antenna 2310 may be connected to each other via an RF (Radio Frequency) cable.
  • RF Radio Frequency
  • Each of the antennas 2310 includes a single or multiple antenna elements, such as multiple antenna elements included in a multiple input multiple output (MIMO) antenna, and is used by the base station device 2320 to transmit and receive wireless signals.
  • the eNB 2300 may include a plurality of antennas 2310.
  • multiple antennas 2310 can be compatible with multiple frequency bands used by eNB 2300.
  • FIG. 16 shows an eNB therein 2300 includes an example of multiple antennas 2310, but eNB 2300 may also include a single antenna 2310.
  • the base station device 2320 includes a controller 2321, a memory 2322, a network interface 2323, and a wireless communication interface 2325.
  • the controller 2321 can be, for example, a CPU or a DSP, and operates various functions of higher layers of the base station device 2320. For example, controller 2321 generates data packets based on data in signals processed by wireless communication interface 2325 and delivers the generated packets via network interface 2323. The controller 2321 can bundle data from a plurality of baseband processors to generate bundled packets and deliver the generated bundled packets. The controller 2321 may have a logical function that performs control such as radio resource control, radio bearer control, mobility management, admission control, and scheduling. This control can be performed in conjunction with nearby eNBs or core network nodes.
  • the memory 2322 includes a RAM and a ROM, and stores programs executed by the controller 2321 and various types of control data such as a terminal list, transmission power data, and scheduling data.
  • the network interface 2323 is a communication interface for connecting the base station device 2320 to the core network 2324. Controller 2321 can communicate with a core network node or another eNB via network interface 2323. In this case, the eNB 2300 and the core network node or other eNBs may be connected to each other through a logical interface such as an S1 interface and an X2 interface.
  • the network interface 2323 can also be a wired communication interface or a wireless communication interface for wireless backhaul lines. If the network interface 2323 is a wireless communication interface, the network interface 2323 can use a higher frequency band for wireless communication than the frequency band used by the wireless communication interface 2325.
  • the wireless communication interface 2325 supports any cellular communication schemes, such as Long Term Evolution (LTE) and LTE-Advanced, and provides wireless connectivity to terminals located in cells of the eNB 2300 via the antenna 2310.
  • Wireless communication interface 2325 can typically include, for example, a baseband (BB) processor 2326 and RF circuitry 2327.
  • the BB processor 2326 can perform, for example, encoding/decoding, modulation/demodulation, and multiplexing/demultiplexing, and performs layers (eg, L1, Medium Access Control (MAC), Radio Link Control (RLC), and Packet Data Convergence Protocol (PDCP)) Various types of signal processing.
  • BB processor 2326 may have some or all of the above described logic functions.
  • the BB processor 2326 can be a memory that stores a communication control program, or a module that includes a processor and associated circuitry configured to execute the program.
  • the update program can cause the functionality of the BB processor 2326 to change.
  • the module can be a card or blade that is inserted into the slot of the base station device 2320. Alternatively, the module can also be a chip mounted on a card or blade.
  • the RF circuit 2327 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives a wireless signal via the antenna 2310.
  • the wireless communication interface 2325 can include a plurality of BB processors 2326. E.g, Multiple BB processors 2326 can be compatible with multiple frequency bands used by eNB 2300. As shown in FIG. 16, the wireless communication interface 2325 can include a plurality of RF circuits 2327. For example, multiple RF circuits 2327 can be compatible with multiple antenna elements. Although FIG. 16 shows an example in which the wireless communication interface 2325 includes a plurality of BB processors 2326 and a plurality of RF circuits 2327, the wireless communication interface 2325 may also include a single BB processor 2326 or a single RF circuit 2327.
  • the transceiver 220 to the transceiver 620 described by using FIGS. 2 through 6 can be implemented by the wireless communication interface 2325.
  • the wireless communication interface 2325 At least a portion of the functions of the various units described with reference to Figures 1 through 6 may also be provided by controller 221.
  • the controller 2321 can perform at least a portion of the functions of the units described with reference to FIGS. 1 through 6 by executing a program stored in the memory 2322.
  • the method of the present invention is not limited to being performed in the chronological order described in the specification, and may be performed in other chronological order, in parallel, or independently. Therefore, the order of execution of the methods described in the present specification does not limit the technical scope of the present invention.

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Abstract

本公开涉及无线通信设备和无线通信方法。根据一个实施例的用于基站侧的无线通信设备，包括一个或多个处理器，该一个或多个处理器被配置为：确定在目标非授权频段上用于基站的用户设备的待传输的通信内容并预计传输进度；以及生成关于传输进度的指示信息并将该指示信息加入到用户设备的通信帧中，以用于传输该指示信息。

Description

无线通信设备和无线通信方法 技术领域
本公开一般涉及无线通信领域，更具体地，涉及用于基站侧的无线通信设备、用于用户设备侧的无线通信设备、以及无线通信方法。
背景技术
在LTE(长期演进)第12版中引入了小小区(small cell)，小小区是低功率的无线接入节点，其工作在授权的、非授权的频谱，可以覆盖10米到200米的范围。在授权频段部署的LTE网络将在世界范围内广泛部署。为了进一步扩大LTE网络的容量来适应数据的高速增长需求，可以调整LTE的无线接口和传输机制使之能利用非授权频谱资源进行数据传输。该技术被称为LAA(授权辅助接入)-LTE。
从用户的角度来说，高效的利用非授权频谱资源可以使得用户获得更好的服务质量。用户体验的提高和非授权频段的透明传输可以给运营商提供更多的灵活性，也可以使运营商从非授权频段的开发利用中获得更高的利益。反过来这将促使运营商更多的开发非授权频谱。
为了把例如5GHz的非授权频段作为目标频段，一些补充的标准需要被制订来满足不同区域的不同需求。为了实施半静态的检测，减少对非IMT(国际移动通信)系统如雷达系统等的干扰，DFS(动态频率选择)机制在部分区域被广泛采用。LBT(读取之前先查询监听)提供了灵活和公平的不同IMT和非IMT系统的共存机制。LBT使得非授权频段可以保证快速信道检测和动态信道占有。TPC(传输功率控制)技术虽然没有被广泛采用，但仍然是一种限制对于邻小区功率泄露的方法。
发明内容
在下文中给出了关于本发明实施例的简要概述，以便提供关于本发明的某些方面的基本理解。应当理解，以下概述并不是关于本发明的穷举性概述。它并不是意图确定本发明的关键或重要部分，也不是意图限定本发明的范围。其目的仅仅是以简化的形式给出某些概念，以此作为稍后论述的更详细 描述的前序。
根据一个实施例，提供一种用于基站侧的无线通信设备，其包括一个或多个处理器，一个或多个处理器被配置为：确定在目标非授权频段上用于所述基站的用户设备的待传输的通信内容并预计传输进度，以及生成关于传输进度的指示信息并将该指示信息加入到用户设备的通信帧中，以用于传输该指示信息。
根据另一个实施例，提供一种无线通信方法，包括确定在目标非授权频段上用于所述基站的用户设备的待传输的通信内容并预计传输进度的步骤，以及生成关于传输进度的指示信息并将该指示信息加入到用户设备的通信帧中以用于传输该指示信息的步骤。
根据又一个实施例，提供一种用于用户设备侧的无线通信设备，其包括一个或多个处理器，一个或多个处理器被配置为：对非授权频段进行检测；解析基站的通信帧中包含的关于非授权频段上的待传输通信内容的传输进度的指示信息；以及基于对所述非授权频段的检测结果，生成用于所述用户设备的服务基站的反馈信息。
根据再一个实施例，提供一种在用户设备侧进行的无线通信方法，包括对非授权频段进行检测的步骤，解析基站的通信帧中包含的关于非授权频段上的待传输通信内容的传输进度的指示信息的步骤，以及基于对所述非授权频段的检测结果生成用于所述用户设备的服务基站的反馈信息的步骤。
根据又一个实施例，提供一种用于基站侧的无线通信设备，其包括一个或多个处理器，一个或多个处理器被配置为：检测非授权频段的可用性；基于非授权频段的可用性为基站的用户设备初步分配相应的非授权频段；以及生成包含基站的小区对应的导频序列而不包含数据信息的占用信号以用于相应非授权频段，从而在特定时间段内指示基站意图接入相应非授权频段。
附图说明
本发明可以通过参考下文中结合附图所给出的描述而得到更好的理解，其中在所有附图中使用了相同或相似的附图标记来表示相同或者相似的部件。所述附图连同下面的详细说明一起包含在本说明书中并且形成本说明书的一部分，而且用来进一步举例说明本发明的优选实施例和解释本发明的原理和优点。在附图中：
图1是示出根据本发明一个实施例的用于基站侧的无线通信设备的配置示例的框图；
图2是示出根据本发明另一个实施例的用于基站侧的无线通信设备的配置示例的框图；
图3是示出根据本发明又一个实施例的用于基站侧的无线通信设备的配置示例的框图；
图4是示出根据本发明另一个实施例的用于基站侧的无线通信设备的配置示例的框图；
图5是示出根据本发明又一个实施例的用于基站侧的无线通信设备的配置示例的框图；
图6是示出根据本发明另一个实施例的用于基站侧的无线通信设备的配置示例的框图；
图7是示出根据本发明一个实施例的在基站侧进行的无线通信方法的过程示例的流程图；
图8是示出根据本发明一个实施例的用于用户设备侧的无线通信设备的配置示例的框图；
图9是示出根据本发明另一个实施例的用于用户设备侧的无线通信设备的配置示例的框图；
图10是示出根据本发明又一个实施例的用于用户设备侧的无线通信设备的配置示例的框图；
图11是示出根据本发明一个实施例的在用户设备侧进行的无线通信方法的过程示例的流程图；
图12是示出实现本公开的方法和设备的计算机的示例性结构的框图；
图13是示出可以应用本公开内容的技术的智能电话的示意性配置的示例的框图；
图14是用于说明本发明一个实施例中的占用信号的示意图；
图15是用于说明根据一个具体实施例的示例过程的示意图；以及
图16是示出可以应用本公开内容的技术的eNB(演进型基站)的示意性配置的示例的框图。
具体实施方式
下面将参照附图来说明本发明的实施例。在本发明的一个附图或一种实施方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出的元素和特征相结合。应当注意，为了清楚的目的，附图和说明中省略了与本发明无关的、本领域普通技术人员已知的部件和处理的表示和描述。
如图1所示，根据本实施例的无线通信设备100包括处理器110。需要指出，虽然附图中以功能模块的形式示出了处理器110中的确定单元111和生成单元113，然而应理解，确定单元111和生成单元113的功能也可以由处理器110作为一个整体来实现，而并不一定是通过处理器110中分立的实际部件来实现。另外，虽然图中以一个虚线框示出处理器110，然而通信设备100可以包括多个处理器，可以将确定单元111和生成单元113的功能分布到多个处理器中，从而由多个处理器协同操作来执行这些功能。
确定单元111被配置为确定在目标非授权频段上用于基站的用户设备的待传输的通信内容(traffic)并预计传输进度(transmission schedule)。
需要指出，在一些示例中，仅通过LAA(Licensed Assisted Access)频段传输数据，则带传输的通信内容为纯数据，而在另一些示例中，除了数据外还可以通过LAA频段传输信令信息。在这里，LAA频段通常和授权频段通过载波聚合的方式被联合使用，而作为在蜂窝通信系统中应用非授权频段的一个示例，在一些例子中，非授权频段资源也可以独立地(stand-alone)被使用，本发明并不意图进行限制。
另外，传输进度可以是通信内容传输的剩余时间，例如，可以通过计算所传数据大小和当前的传输速率来预计传输剩余时间。然而本发明不限于此，例如，也可以以剩余的待传输数据量来指示传输进度。又例如，在用户设备被限制在预定时间长度内进行非授权频段上的传输的情况下，也可以通过已传输的时间指示所述传输进度。
生成单元113生成关于传输进度的指示信息并将该指示信息加入用户设备的通信帧中，以传输该指示信息。
根据一个实施例，可以将所生成的指示信息包含于广播子帧中以用于与其他通信设备的协调。更具体地，广播子帧可以为公共信道子帧，相应地，生成单元113还可以将与基站的物理小区标识(PCI)有关的信息包含于公 共信道子帧中以用于与其他通信设备的协调，例如，通过在公共信道子帧中发送同步信号以隐式地指示PCI。在一个优选的示例中，无线通信设备100可以将指示信息加入包含待传输内容的通信帧中以在目标非授权频段上传输，从而降低其他设备检测该目标非授权频段上传输进度/空闲时间的复杂度。可选地，也可以将指示信息加入到授权频段上的广播子帧中而不与待传输内容一同传输，其中，在该广播子帧中需要包含指示信息对应的非授权频段ID。
根据3GPP(第三代合作伙伴项目)RAN1 78次会议讨论结果，LTE用户在非授权频段载波必须遵循有限最大传输时间的不连续传输。根据本发明实施例，当基站在非授权频段进行传输时，例如可以周期性的在所传数据中加入指示传输剩余时间的信号，以指示例如其他运营商当前频段的传输进度例如传输剩余时间等。因此，可以在广播子帧中发送非授权频段传输指示信号以让不同运营商的基站和用户可以检测到该信息以实现异运营商之间对非授权频段的利用的协调/共存。例如，第二运营商运营的LTE通信系统可以根据第一运营商的LTE通信系统在非授权频段上的传输进度，确定在本次有限最大传输时间内剩余的可用传输时间并进行传输准备。
根据一个具体实施例，该广播子帧为多播广播单频网(MBSFN)子帧。
多媒体广播多播服务(MBMS)支持蜂窝系统中的多播、广播业务，从而在一个网络中可同时提供多播、广播业务和单播业务。对于LTE，这种传播称为MBMS单频网(MBSFN)，现有的MBSFN传输中参与MBSFN传输的多个小区在指定的MBSFN子帧上传输完全相同(identical)的信息，对于用户设备而言来自多个小区的信号波形完全一致，从而可以视为从单一小区收到经历了多径传输的单一信号，因此提供了下列好处：
增加接收信号的强度，特别是在参与MBSFN传输的小区之间的边界，终端可以使用从多个小区接收的信号能量；
降低干扰水平，同样，特别是在参加MBSFN传输的小区之间的边界，从邻近的小区收到的信号不再是干扰信号，而是有用的信号；以及
产生出对抗无线信道衰落的附加分集，因为信息是从几个地理上分开的位置上收到，这通常会使得总体合成信道呈现出强时间分散，或者说强频率选择性。
本发明中，发明人颠覆了对传统MBSFN传输的认知，在多小区的MBSFN传输中不要求多小区传输相同的信息，也不再需要用户设备对来自 多小区的MBSFN传输内容进行合并，而设计各小区采用MBSFN子帧承载各自在非授权频段的传输进度信息，借此，LTE通信系统中用户设备/或基站可以容易地在特定的传输资源上(例如预先统一设定的频点和子帧)读取来自多个小区(例如不同运营商管理的)的MBSFN传输内容，基于对MBSFN子帧的解码结果确定各个小区的非授权频段传输进度。这个过程中不强求小区间的交互，也无需设计新的子帧结构，因此使得异运营商间对非授权频谱的协调使用变得简单易行。
接下来，以基站估计通信内容传输的剩余时间作为传输进度的方式为例说明通过MBSFN指示传输进度的示例。
假设基站估计的传输时间是十个帧而有四个帧已经传输完成，基站可以例如每隔两个帧发送一个指示信号来指示它所需要的剩余传输时间。例如，当其他基站或用户在MBSFN中检测到了序列“11”，它们就可以知道该频段还有三个MBSFN子帧剩余，即当前正在传输的基站还有六个帧需要传输。其它的基站可以利用此信息决定是否等待当前频段传输完成后接入。另外，MBSFN里面还可以加入基站的PCI信息以帮助UE区分所接收到的MBSFN子帧来自哪个小区。其中，基站发送指示信号的间隔可以根据有限最大传输时间的限制不同而设置成不同的数值，例如当有限最大传输时长小于30ms的情况下，可以设置为在每帧中发送一个指示信号。
另外，UE例如可以通过本小区系统信息例如SIB信息上的白列表(white list)得知同运营商基站的PCI，如果用户检测到的PCI没有在白列表上面，则UE可以判断该PCI属于其他运营商。如果所检测PCI在白列表上，则可判断该信号来自相邻的同运营商。借此，UE可以反馈相应的检测结果给服务基站以供基站决策在非授权频段上的共存策略。
接下来，参照图2说明根据另一个实施例的用于基站侧的无线通信设备。如图2所示，根据本实施例的无线通信设备200包括处理器210，处理器包括确定单元211、生成单元213和检测单元215。确定单元211和生成单元213与前面参照图1说明的确定单元111和生成单元113类似。
检测单元215被配置为对非授权频段进行检测，基于检测结果估计可用的非授权频段以及选取用于用户设备的一个或更多个候选频段。
根据本实施例的无线通信设备200还包括收发装置220，其被配置为向用户设备通知所选取的一个或更多个候选频段。
检测单元215可以通过控制收发装置220来进行对非授权频段的检测。
接下来，通过具体示例对本实施例进行说明。应理解，本发明不限于以下具体示例中的细节。
以非授权频段5470MHz～5725MHz作为例子，该频段有可能被雷达系统或者Wi-Fi用户占有。无线通信设备例如可以对非授权频段进行全频段检测，并基于检测结果生成包含可用非授权频段的信息列表，例如以下表1。
表1：空闲信道列表
Figure PCTCN2015093972-appb-000001
生成列表后，基站可以分别把所得到的可用频段信息发送给各个需要在非授权频段传输数据的用户。更具体的，基站可以根据用户的不同数据传输需求来分配可用频段。例如，数据传输需求更大的用户可以优先得到更宽的非授权频段资源。
此外，根据一个实施例，在从基站接收到频段信息后，用户设备自身也可以检测该特定频段来减少对当前系统可能造成的干扰。用户在检测到了相应的频段信息后将把反馈信息发送给基站。
通常，用户设备反馈机制的时延大约为4ms左右，然而其他系统例如WiFi系统的接入时间有可能比4ms要短。因此在用户反馈的这个时间段内，WiFi设备有可能也检测该频段并且发现该频段当前可用，因此WiFi设备有可能在4ms的时间内接入该频段。在这种情况下，会导致LTE基站无法占据该频段或者说基站继续接入该频段从而导致两个系统冲突。
考虑到上述问题，根据一个实施例，收发装置220被配置为在向用户设备通知候选频段后的预定时段内在候选频段上发送占用信号。例如，该占用信号可以是信标(beacon)信号。
相应地，在本发明的一个实施例中，一种用于基站侧的无线通信设备包括一个或多个处理器，处理器可以包括检测单元、分配单元以及生成单元。 检测单元被配置为检测非授权频段的可用性。分配单元被配置为基于非授权频段的可用性为基站的用户设备初步分配相应的非授权频段。生成单元被配置为生成包含基站的小区对应的导频序列而不包含数据信息的占用信号以用于相应非授权频段，从而在特定时间段内指示基站意图接入相应非授权频段。另外，根据本实施例的无线通信设备还可以包括收发装置，收发装置例如可以在处理器的控制下实现对非授权频段的检测以及发送由处理器生成的导频序列。
接下来，通过具体示例对本实施例进行说明。应理解，本发明不限于以下具体示例中的细节。
当基站在非授权频段检测到了空闲频段并且分配给用户的同时，其可以在该频段周期性的发送占用信号来阻止其它设备在用户反馈期间接入该频段。占用信号例如可以被设计为小区专用参考信号(CRS)。从时域上看，一个LTE时隙内有两个CRS信号。这意味着CRS信号的最大时间间隔为三个OFDM符号，大约是200us。如图14的示意图所示，基站可以一直发送占用信号直到接收到用户的反馈信息。
通过在反馈时间内发送占用信号可以在很大程度上阻止例如WiFi设备接入该频段从而提高LTE在非授权频段的接入概率。
如前所述，根据一个实施例，用户设备也可以对特定频段进行检测，并且将反馈信息发送给基站。接下来，参照图3对该实施例进行说明。
如图3所示，根据本实施例的无线通信设备300包括处理器310和收发装置320。处理器包括确定单元311、生成单元313、检测单元315以及分配单元317。确定单元311、生成单元313和检测单元315与前面参照图1说明的确定单元111、生成单元113以及参照图2说明的检测单元215类似。
收发单元320被配置为接收用户设备对候选频段的检测结果。分配单元317被配置为至少根据用户设备对候选频段的检测结果确定向用户设备分配的目标非授权频段。换句话说，根据本实施例，可以根据用户设备的反馈信息确定非授权频段的分配，或者，可以根据基站对非授权频段的检测结果以及用户设备的反馈信息二者来确定非授权频段的分配。
在根据基站对非授权频段的检测结果以及用户设备的反馈信息二者来确定非授权频段的分配的情况下，检测单元315可以被配置为在获得用户设备对候选频段的检测结果的情况下再次检测候选频段，并且分配单元317可以基于用户设备对候选频段的检测结果以及检测单元315再次检测到的结果 来确定向用户设备分配的目标非授权频段。
接下来，通过具体示例对本实施例进行说明。应理解，本发明不限于以下具体示例中的细节。
用户设备例如可以通过以下2比特序列来指示对目标非授权频段的检测结果：
00:没有检测到信号传输
01:有来自同一运营商的LTE信号传输
10:有来自不同运营商的LTE信号传输
11:有来自其它系统的未知信号传输
对于基站在给用户设备分配频段后发送占据信号的情况，用户设备在检测信道的时候会检测到本基站所发的占用信号。对于用户设备来说，如果只检测到本基站发送的占用信号，则可以认为该频段可用，反馈00。
对于基站和用户设备来说，如果在初始检测时检测到了其他基站发送的信号例如CRS信号，则可以直接确定该频段不可用(这种情况的概率较低，因为基站只有在反馈的4ms左右时间内才会发送CRS信号，之后会选择接入、放弃或者等待，所以出现这种情况简单的选择放弃接入并不会显著影响对非授权频段的接入概率)。
此外，基站可以给一个用户设备同时分配两个或更多个目标非授权频段，在这种情况下，用户设备可以分别检测这这些频段并得出相应的反馈信息，具体检测方式与单个频段的情况类似。基站在得到用户关于这两个频段的反馈结果之后根据自身检测结果联合判断所分配的频段是否都可以使用，或者是只有一部分频段可以使用。
当基站给某一用户分配两个或更多个非授权频段时，为了更好的区分不同的频段，可以对信道进行标号，例如如下面的表2所示：
表2：单用户多频段编号
Figure PCTCN2015093972-appb-000002
Figure PCTCN2015093972-appb-000003
基站给某一用户设备分配n个信道，用户设备在接收到所分配信道后对所有n个信道分别检测，所有信道检测完成之后用户将n个信道的检测结果分别反馈给基站，比如信道1：“00”；信道2：“01”；……；信道n：“11”。基站可以根据反馈结果和自身检测结果独立的判断每个信道是否可用。
与前面描述的示例类似，可以分别由两比特信息序列表示用户设备和基站对频段的检测结果，例如下面表3列出的。
表3：联合检测结果
Figure PCTCN2015093972-appb-000004
根据具体的应用和需求，基站可以根据不同的准则来基于检测结果的组合确定对目标非授权频段的分配。
例如，可以在基站和用户设备均未检测到其他基站或设备使用目标非授权频段的情况下分配该频段。
或者，在只检测到与本基站相同的运营商的其他基站使用目标非授权频段的情况下，可以确定分配该频段。在这种情况下，可以与其他基站协调对目标频段的使用，后面将结合具体实施例进行说明。
另外，根据一个实施例，在其他基站的信号中包含指示传输进度的信息的情况下，可以根据该指示信息预计相应的非授权频段的可用时间，以便在相应时间使用或检测相应频段。
如图4所示，根据本实施例的无线通信设备400包括处理器410和收发装置420。处理器410包括确定单元411、生成单元413、检测单元415以及预计单元417。确定单元411、生成单元413和检测单元415与前面参照图1 说明的确定单元111、生成单元113以及参照图2说明的检测单元215类似，收发装置420与前面参照图2说明的收发装置220类似。
预计单元417被配置为根据检测到的其他基站的信号中的关于传输进度的指示信息预计相应的非授权频段的可用时间。
接下来，参照图5说明与其他基站协调对目标频段的使用的实施例。
如图5所示，根据本实施例的无线通信设备500包括处理器510和收发装置520。处理器510包括确定单元511、生成单元513、检测单元515以及协调单元517。确定单元511、生成单元513和检测单元515与前面参照图1说明的确定单元111、生成单元113以及参照图2说明的检测单元215类似，收发装置520与前面参照图2说明的收发装置520类似。
协调单元517被配置为在检测到的同系统的其他基站在非授权频段中的信号的情况下，与其他基站协调对非授权频段的使用。需要指出，这里所说的同系统的其他基站是指LTE系统的同一运营商的其他基站。
接下来，通过具体示例说明与其他基站协调对非授权频段的使用的过程，在该示例中，基于基站以及用户设备对非授权频段的检测结果来进行与其他基站的协调，然而本发明不限于此，也可以仅基于基站的检测结果或用户设备的检测结果来进行协调。
当基站或者用户设备检测到目标频段有来自同一运营商的LTE信号。该基站例如可以通过X2接口和已接入的其他基站进行协调。对于现有LTE标准，已定义了一些和小区间干扰协调(ICIC)相关的X2消息，例如高干扰指示(HII)和超载指示(OI)消息等。HII可以被看作ICIC的一个主动工具，尽可能避免过低信干噪比的情形。而OI是一个被动的ICIC工具，基本上在3个水平(低、中、高)上指示一个小区在不同的资源快上经历的干扰水平。接到OI的邻近基站例如可以改变它的调度行为来改变发出OI的基站的干扰情形。
在基站或用户设备检测到其他运营商的基站占据了目标频段的情况下，可以通过检测例如MBSFN中的指示信息来确定剩余传输时间。基站可以等待相应的时间后再次检测该目标频段。另外，如果检测到不同运营商的基站在使用目标频段，也可以根据指示信息等待相应时间后再对目标频段进行检测。
在基站和用户设备都检测到了不同运营商的基站正在使用目标频段的 情况下：如果基站和用户设备检测到的是来自同一个基站的信息，那只需要等待该基站传输完毕即可接入；如果检测到的信息来自不用的基站，那么说明有两个不同的基站在频段上传输，那么基站可以重新选择新的目标频段，或者，基站可以等待两个已接入基站都传输完成之后在使用该目标频段。
应理解，本发明不限于以上具体示例中的细节。
根据一个实施例，协调单元517可以基于来自其他基站的信号中的物理小区标识(PCI)或者同步信号(SS)来识别同系统的其他基站。同步信号例如包括主同步信号(PSS)和辅同步信号(SSS)，可以用于计算PCI。
接下来，参照图6说明根据另一个实施例的无线通信设备。
如图6所示，根据本实施例的无线通信设备600包括处理器610和收发装置620。处理器610包括确定单元611、生成单元613、检测单元615以及触发单元617。确定单元611、生成单元613和检测单元615与前面参照图1说明的确定单元111、生成单元113以及参照图2说明的检测单元215类似，收发装置620与前面参照图2说明的收发装置620类似。
触发单元617被配置为基于用户设备的请求和/或使用授权频段与用户设备进行的通信的质量，触发对非授权频段的检测。也就是说，根据本实施例的无线通信设备可以基于预定条件触发对非授权频段的检测，该预定条件可以是来自用户设备的请求，或者可以是采用授权频段的通信质量低于预定标准从而需要适用非授权频段。
对于基于用户请求触发检测的情况，例如，在用户设备发现授权频段的传输速率低于预定水平的情况下，用户设备可以向基站请求接入非授权频段。另外，用户设备也可以检测非授权频段，例如生成频段信息列表并且通过物理上行控制信道(PUCCH)发送给基站。基站可以将用户设备提供的列表与自己的列表比对，并且选择用户设备和基站都检测到的空白的非授权频段，并进行频段分配。
在上文对实施方式中的无线通信设备的描述过程中，显然还公开了一些处理或方法。下文中，在不重复上文中已经讨论过的某些细节的情况下给出对根据本发明的一个实施例的无线通信方法的概述。
如图7所示，根据本实施例的在基站侧进行的无线通信方法包括：
S710，确定在目标非授权频段上用于基站的用户设备的待传输的通信内容并预计传输进度；以及
S720，生成关于传输进度的指示信息并将该指示信息加入到用户设备的通信帧中以用于传输该指示信息。优选地，该指示信息可以被加入包含待传输内容的通信帧中以在目标非授权频段上传输，从而降低其他设备检测该目标非授权频段上传输进度/空闲时间的复杂度。可选地，也可以将指示信息加入到授权频段上的广播子帧中而不与待传输内容一同传输，其中，在该广播子帧中需要包含指示信息对应的非授权频段ID。
如前所述，根据一个具体实施例，该指示信息被包含于广播子帧中以用于与其他通信设备的协调，该广播子帧例如为MBSFN子帧。
上面说明了根据本发明实施例的用于基站侧的无线通信设备和无线通信方法。此外，本发明的实施例还包括用于用户设备侧的无线通信设备和方法。接下来，在不重复上文中已经讨论过的某些细节的情况下给出对用于用户设备侧的无线通信设备和方法的概述。
如图8所示，根据一个实施例的用于用户设备侧的无线通信设备800包括一个或多个处理器810，处理器810包括检测单元811、解析单元813和生成单元815。应指出，检测单元811、解析单元813和生成单元815表示可由处理器810实现的功能，而并不一定是处理器810的实际部件。另外，虽然图中以一个虚线框示出处理器810，然而通信设备800可以包括多个处理器，多个处理器可以共同操作以实现检测单元811、解析单元813和生成单元815的功能。
检测单元811被配置为对非授权频段进行检测。这里，对非授权频段进行检测可以指通过控制例如收发装置等其他部件来进行检测。检测单元811的具体配置可以类似于前面参照图2说明的检测单元215。
解析单元813被配置为解析基站的通信帧中包含的关于非授权频段上的待传输通信内容的传输进度的指示信息。其中，该通信帧可以位于非授权频段，并且通信帧还可以携带待传输通信内容。或者，该通信帧可以位于授权频段上。另外，例如，该指示信息被包含在周期性的广播子帧中。
生成单元815被配置为基于对非授权频段的检测结果，生成用于用户设备的服务基站的反馈信息。
根据一个实施例，检测单元811被配置为针对服务基站指定的非授权频段中的一个或更多个候选频段进行检测，并且生成单元815生成相应的反馈信息。
根据一个实施例，解析单元813被配置为检测通信帧中包含的多播广播单频网子帧以解析该指示信息。
更具体地，该多播广播单频网子帧可以包括发送该指示信息的基站的物理小区标识，解析单元813被配置为解析该物理小区标识，生成单元815基于该物理小区标识确定当前占用相应非授权频段传输的基站所属的运营商并生成相应的反馈信息。
如前面提到的，用户设备可以根据预定条件请求基站进行对非授权频段的检测和分配。如图9所示，根据一个实施例的用于用户设备侧的无线通信设备900包括处理器910，处理器910包括检测单元911、解析单元913、生成单元915和请求单元917。检测单元911、解析单元913和生成单元915的配置与前面参照图8说明的检测单元811、解析单元813和生成单元815类似。
请求单元917被配置为在使用授权频段与无线通信设备900的服务基站进行的通信的质量低于预定水平的情况下生成非授权频段请求，以用于请求触发对非授权频段的检测和分配过程。
请求单元917例如可以通过调度请求(SR)信令发送该请求。
接下来，参照图10说明根据另一个实施例的用于用户设备侧的无线通信设备。如图10所示，根据本实施例的无线通信设备1000包括一个或更多个处理器1010和收发装置1020。处理器1010包括检测单元1011、解析单元1013和生成单元1015。检测单元1011、解析单元1013和生成单元1015的配置与前面参照图8说明的检测单元811、解析单元813和生成单元815类似。
收发装置1020被配置为通过授权频段向所述服务基站发送反馈信息。例如，生成单元1015可以生成包含反馈信息的PUCCH，收发装置1020可以通过主载波发送该反馈信息。或者，生成单元1015可以生成包含反馈信息媒体访问控制(MAC)信令，收发装置1020可以通过主载波发送该信令。其中，MAC信令更适于有多个候选频段的情况。
接下来，参照图11说明根据本发明实施例的用于用户设备侧的无线通信方法。
如图11所示，根据本实施例的在用户设备侧进行的无线通信方法包括：
S1110，对非授权频段进行检测；
S1120，解析基站的通信帧中包含的关于非授权频段上的待传输通信内容的传输进度的指示信息。其中，该通信帧可以位于非授权频段，并且该通信帧还可以携带待传输通信内容。或者，该通信帧可以位于授权频段上；以及
S1130，基于对非授权频段的检测结果，生成用于用户设备的服务基站的反馈信息。
接下来，参照图15说明由基站和用户设备共同对非授权频段进行检测的示例过程。在图15中，基站eNB 1为用户设备UE的服务基站。
在ST1，eNB 1创建可用非授权频段的列表。
在ST2，eNB 1将目标非授权频段通知给UE。
接下来，在ST3，eNB 1在目标非授权频段上发送占用信号以防止其他设备接入该频段。
在ST4和ST5，UE和eNB 1分别检测目标非授权频段是否被其他设备使用。这里需要指出，在ST1之前，eNB 1也可以进行相应的检测过程。
在ST6，UE向eNB 1反馈检测结果。
在ST7，eNB 1结合来自UE的检测结果以及eNB 1自己进行的检测结果来确定非授权频段的分配，并且在ST8进行相应的配置以实用该非授权频段。
作为示例，上述方法的各个步骤以及上述装置的各个组成模块和/或单元可以实施为软件、固件、硬件或其组合。在通过软件或固件实现的情况下，可以从存储介质或网络向具有专用硬件结构的计算机(例如图12所示的通用计算机1200)安装构成用于实施上述方法的软件的程序，该计算机在安装有各种程序时，能够执行各种功能等。
在图12中，运算处理单元(即CPU)1201根据只读存储器(ROM)1202中存储的程序或从存储部分1208加载到随机存取存储器(RAM)1203的程序执行各种处理。在RAM 1203中，也根据需要存储当CPU 1201执行各种处理等等时所需的数据。CPU 1201、ROM 1202和RAM 1203经由总线1204彼此链路。输入/输出接口1205也链路到总线1204。
下述部件链路到输入/输出接口1205：输入部分1206(包括键盘、鼠标等等)、输出部分1207(包括显示器，比如阴极射线管(CRT)、液晶显示器(LCD)等，和扬声器等)、存储部分1208(包括硬盘等)、通信部分 1209(包括网络接口卡比如LAN卡、调制解调器等)。通信部分1209经由网络比如因特网执行通信处理。根据需要，驱动器1210也可链路到输入/输出接口1205。可拆卸介质1211比如磁盘、光盘、磁光盘、半导体存储器等等根据需要被安装在驱动器1210上，使得从中读出的计算机程序根据需要被安装到存储部分1208中。
在通过软件实现上述系列处理的情况下，从网络比如因特网或存储介质比如可拆卸介质1211安装构成软件的程序。
本领域的技术人员应当理解，这种存储介质不局限于图12所示的其中存储有程序、与设备相分离地分发以向用户提供程序的可拆卸介质1211。可拆卸介质1211的例子包含磁盘(包含软盘(注册商标))、光盘(包含光盘只读存储器(CD-ROM)和数字通用盘(DVD))、磁光盘(包含迷你盘(MD)(注册商标))和半导体存储器。或者，存储介质可以是ROM 1202、存储部分1208中包含的硬盘等等，其中存有程序，并且与包含它们的设备一起被分发给用户。
本发明的实施例还涉及一种存储有机器可读取的指令代码的程序产品。所述指令代码由机器读取并执行时，可执行上述根据本发明实施例的方法。
相应地，用于承载上述存储有机器可读取的指令代码的程序产品的存储介质也包括在本发明的公开中。所述存储介质包括但不限于软盘、光盘、磁光盘、存储卡、存储棒等等。
本申请的实施例还涉及以下电子设备。在电子设备用于基站侧的情况下，电子设备可以被实现为任何类型的演进型节点B(eNB)，诸如宏eNB和小eNB。小eNB可以为覆盖比宏小区小的小区的eNB，诸如微微eNB、微eNB和家庭(毫微微)eNB。代替地，电子设备可以被实现为任何其他类型的基站，诸如NodeB和基站收发台(BTS)。电子设备可以包括：被配置为控制无线通信的主体(也称为基站设备)；以及设置在与主体不同的地方的一个或多个远程无线头端(RRH)。另外，下面将描述的各种类型的终端均可以通过暂时地或半持久性地执行基站功能而作为基站工作。
电子设备用于用户设备侧的情况下，可以被实现为移动终端(诸如智能电话、平板个人计算机(PC)、笔记本式PC、便携式游戏终端、便携式/加密狗型移动路由器和数字摄像装置)或者车载终端(诸如汽车导航设备)。此外，电子设备可以为安装在上述终端中的每个终端上的无线通信模块(诸如包括单个或多个晶片的集成电路模块)。
[关于终端设备的应用示例]
图13是示出可以应用本公开内容的技术的智能电话2500的示意性配置的示例的框图。智能电话2500包括处理器2501、存储器2502、存储装置2503、外部连接接口2504、摄像装置2506、传感器2507、麦克风2508、输入装置2509、显示装置2510、扬声器2511、无线通信接口2512、一个或多个天线开关2515、一个或多个天线2516、总线2517、电池2518以及辅助控制器2519。
处理器2501可以为例如CPU或片上系统(SoC)，并且控制智能电话2500的应用层和另外层的功能。存储器2502包括RAM和ROM，并且存储数据和由处理器2501执行的程序。存储装置2503可以包括存储介质，诸如半导体存储器和硬盘。外部连接接口2504为用于将外部装置(诸如存储卡和通用串行总线(USB)装置)连接至智能电话2500的接口。
摄像装置2506包括图像传感器(诸如电荷耦合器件(CCD)和互补金属氧化物半导体(CMOS))，并且生成捕获图像。传感器2507可以包括一组传感器，诸如测量传感器、陀螺仪传感器、地磁传感器和加速度传感器。麦克风2508将输入到智能电话2500的声音转换为音频信号。输入装置2509包括例如被配置为检测显示装置2510的屏幕上的触摸的触摸传感器、小键盘、键盘、按钮或开关，并且接收从用户输入的操作或信息。显示装置2510包括屏幕(诸如液晶显示器(LCD)和有机发光二极管(OLED)显示器)，并且显示智能电话2500的输出图像。扬声器2511将从智能电话2500输出的音频信号转换为声音。
无线通信接口2512支持任何蜂窝通信方案(诸如LTE和LTE-先进)，并且执行无线通信。无线通信接口2512通常可以包括例如BB处理器2513和RF电路2514。BB处理器2513可以执行例如编码/解码、调制/解调以及复用/解复用，并且执行用于无线通信的各种类型的信号处理。同时，RF电路2514可以包括例如混频器、滤波器和放大器，并且经由天线2516来传送和接收无线信号。无线通信接口2512可以为其上集成有BB处理器2513和RF电路2514的一个芯片模块。如图13所示，无线通信接口2512可以包括多个BB处理器2513和多个RF电路2514。虽然图13示出其中无线通信接口2512包括多个BB处理器2513和多个RF电路2514的示例，但是无线通信接口2512也可以包括单个BB处理器2513或单个RF电路2514。
此外，除了蜂窝通信方案之外，无线通信接口2512可以支持另外类型的无线通信方案，诸如短距离无线通信方案、近场通信方案和无线局域网(LAN)方案。在此情况下，无线通信接口2512可以包括针对每种无线通 信方案的BB处理器2513和RF电路2514。
天线开关2515中的每一个在包括在无线通信接口2512中的多个电路(例如用于不同的无线通信方案的电路)之间切换天线2516的连接目的地。
天线2516中的每一个均包括单个或多个天线元件(诸如包括在MIMO天线中的多个天线元件)，并且用于无线通信接口2512传送和接收无线信号。如图13所示，智能电话2500可以包括多个天线2516。虽然图13示出其中智能电话2500包括多个天线2516的示例，但是智能电话2500也可以包括单个天线2516。
此外，智能电话2500可以包括针对每种无线通信方案的天线2516。在此情况下，天线开关2515可以从智能电话2500的配置中省略。
总线2517将处理器2501、存储器2502、存储装置2503、外部连接接口2504、摄像装置2506、传感器2507、麦克风2508、输入装置2509、显示装置2510、扬声器2511、无线通信接口2512以及辅助控制器2519彼此连接。电池2518经由馈线向图13所示的智能电话2500的各个块提供电力，馈线在图中被部分地示为虚线。辅助控制器2519例如在睡眠模式下操作智能电话2500的最小必需功能。
在图13所示的智能电话2500中，通过使用图10所描述的收发装置1020可以由无线通信接口2512实现。参照图8至图10描述的各单元的功能的至少一部分也可以由处理器2501或辅助控制器2519实现。例如，可以通过由辅助控制器2519执行处理器2501的部分功能而减少电池2518的电力消耗。此外，处理器2501或辅助控制器2519可以通过执行存储器2502或存储装置2503中存储的程序而执行参照图8至图10描述的各单元的功能的至少一部分。
[关于基站的应用示例]
图16是示出可以应用本公开内容的技术的eNB的示意性配置的示例的框图。eNB 2300包括一个或多个天线2310以及基站设备2320。基站设备2320和每个天线2310可以经由RF(射频)线缆彼此连接。
天线2310中的每一个均包括单个或多个天线元件(诸如包括在多输入多输出(MIMO)天线中的多个天线元件)，并且用于基站设备2320发送和接收无线信号。如图16所示，eNB 2300可以包括多个天线2310。例如，多个天线2310可以与eNB 2300使用的多个频带兼容。虽然图16示出其中eNB 2300包括多个天线2310的示例，但是eNB 2300也可以包括单个天线2310。
基站设备2320包括控制器2321、存储器2322、网络接口2323以及无线通信接口2325。
控制器2321可以为例如CPU或DSP，并且操作基站设备2320的较高层的各种功能。例如，控制器2321根据由无线通信接口2325处理的信号中的数据来生成数据分组，并经由网络接口2323来传递所生成的分组。控制器2321可以对来自多个基带处理器的数据进行捆绑以生成捆绑分组，并传递所生成的捆绑分组。控制器2321可以具有执行如下控制的逻辑功能：该控制诸如为无线资源控制、无线承载控制、移动性管理、接纳控制和调度。该控制可以结合附近的eNB或核心网节点来执行。存储器2322包括RAM和ROM，并且存储由控制器2321执行的程序和各种类型的控制数据(诸如终端列表、传输功率数据以及调度数据)。
网络接口2323为用于将基站设备2320连接至核心网2324的通信接口。控制器2321可以经由网络接口2323而与核心网节点或另外的eNB进行通信。在此情况下，eNB 2300与核心网节点或其他eNB可以通过逻辑接口(诸如S1接口和X2接口)而彼此连接。网络接口2323还可以为有线通信接口或用于无线回程线路的无线通信接口。如果网络接口2323为无线通信接口，则与由无线通信接口2325使用的频带相比，网络接口2323可以使用较高频带用于无线通信。
无线通信接口2325支持任何蜂窝通信方案(诸如长期演进(LTE)和LTE-先进)，并且经由天线2310来提供到位于eNB 2300的小区中的终端的无线连接。无线通信接口2325通常可以包括例如基带(BB)处理器2326和RF电路2327。BB处理器2326可以执行例如编码/解码、调制/解调以及复用/解复用，并且执行层(例如L1、介质访问控制(MAC)、无线链路控制(RLC)和分组数据汇聚协议(PDCP))的各种类型的信号处理。代替控制器2321，BB处理器2326可以具有上述逻辑功能的一部分或全部。BB处理器2326可以为存储通信控制程序的存储器，或者为包括被配置为执行程序的处理器和相关电路的模块。更新程序可以使BB处理器2326的功能改变。该模块可以为插入到基站设备2320的槽中的卡或刀片。可替代地，该模块也可以为安装在卡或刀片上的芯片。同时，RF电路2327可以包括例如混频器、滤波器和放大器，并且经由天线2310来传送和接收无线信号。
如图16所示，无线通信接口2325可以包括多个BB处理器2326。例如， 多个BB处理器2326可以与eNB 2300使用的多个频带兼容。如图16所示，无线通信接口2325可以包括多个RF电路2327。例如，多个RF电路2327可以与多个天线元件兼容。虽然图16示出其中无线通信接口2325包括多个BB处理器2326和多个RF电路2327的示例，但是无线通信接口2325也可以包括单个BB处理器2326或单个RF电路2327。
在图16所示的eNB 2300中，通过使用图2至图6所描述的收发装置220至收发装置620可以由无线通信接口2325实现。参照图1至图6描述的各单元的功能的至少一部分也可以由控制器2321。例如，控制器2321可以通过执行存储在存储器2322中的程序而执行参照图1至图6描述的各单元的功能的至少一部分。
在上面对本发明具体实施例的描述中，针对一种实施方式描述和/或示出的特征可以用相同或类似的方式在一个或更多个其它实施方式中使用，与其它实施方式中的特征相组合，或替代其它实施方式中的特征。
应该强调，术语“包括/包含”在本文使用时指特征、要素、步骤或组件的存在，但并不排除一个或更多个其它特征、要素、步骤或组件的存在或附加。
在上述实施例和示例中，采用了数字组成的附图标记来表示各个步骤和/或单元。本领域的普通技术人员应理解，这些附图标记只是为了便于叙述和绘图，而并非表示其顺序或任何其他限定。
此外，本发明的方法不限于按照说明书中描述的时间顺序来执行，也可以按照其他的时间顺序地、并行地或独立地执行。因此，本说明书中描述的方法的执行顺序不对本发明的技术范围构成限制。
尽管上面已经通过对本发明的具体实施例的描述对本发明进行了披露，但是，应该理解，上述的所有实施例和示例均是示例性的，而非限制性的。本领域的技术人员可在所附权利要求的精神和范围内设计对本发明的各种修改、改进或者等同物。这些修改、改进或者等同物也应当被认为包括在本发明的保护范围内。

Claims (23)

  1. 一种用于基站侧的无线通信设备，包括：
    一个或多个处理器，被配置为
    确定在目标非授权频段上用于所述基站的用户设备的待传输的通信内容并预计传输进度；以及
    生成关于传输进度的指示信息并将该指示信息加入到用户设备的通信帧中，以用于传输该指示信息。
  2. 根据权利要求1所述的无线通信设备，其中，所述通信帧位于所述目标非授权频段，并且还携带所述待传输通信内容，所述一个或多个处理器被配置为将所述指示信息包含于广播子帧中以用于与其他通信设备的协调。
  3. 根据权利要求2所述的无线通信设备，其中，所述广播子帧为公共信道子帧，所述一个或多个处理器还被配置为将所述基站的物理小区标识包含于所述公共信道子帧中以用于与其他通信设备的协调。
  4. 根据权利要求2所述的无线通信设备，其中，所述广播子帧为多播广播单频网子帧。
  5. 根据权利要求1-4中任一项所述的无线通信设备，其中，所述一个或多个处理器还被配置为对非授权频段进行检测，基于检测结果估计可用的非授权频段以及选取用于所述用户设备的一个或更多个候选频段，并且，所述无线通信设备还包括
    收发装置，被配置为向所述用户设备通知所述一个或更多个候选频段。
  6. 根据权利要求5所述的无线通信设备，其中，所述收发装置还被配 置为在向所述用户设备通知所述候选频段后的预定时段内在所述候选频段上发送占用信号。
  7. 根据权利要求6所述的无线通信设备，其中，所述占用信号是小区专用参考信号。
  8. 根据权利要求5所述的无线通信设备，其中，所述收发装置还被配置为接收所述用户设备对所述候选频段的检测结果，以及所述一个或多个处理器还被配置为至少根据所述用户设备对所述候选频段的检测结果确定向所述用户设备分配的目标非授权频段。
  9. 根据权利要求8所述的无线通信设备，其中，所述一个或多个处理器还被配置为在获得所述用户设备对所述候选频段的检测结果的情况下再次检测所述候选频段，并且
    基于所述用户设备对所述候选频段的检测结果以及再次检测到的结果来确定向所述用户设备分配的目标非授权频段。
  10. 根据权利要求5所述的无线通信设备，其中，所述一个或多个处理器还被配置为根据检测到的其他基站的信号中的所述指示信息预计相应的非授权频段的可用时间。
  11. 根据权利要求5所述的无线通信设备，所述一个或多个处理器还被配置为在检测到的同系统的其他基站在所述非授权频段中的信号的情况下，与所述其他基站协调对所述非授权频段的使用。
  12. 根据权利要求11所述的无线通信设备，其中，所述一个或多个处理器还基于来自其他基站的信号中的物理小区标识和/或同步信号来识别所述同系统的其他基站。
  13. 根据权利要求5所述的无线通信设备，所述一个或多个处理器还被配置为基于用户设备的请求和/或使用授权频段与用户设备进行的通信的质量，触发对所述非授权频段的检测。
  14. 一种在基站侧进行的无线通信方法，包括：
    确定在目标非授权频段上用于所述基站的用户设备的待传输的通信内容并预计传输进度；以及
    生成关于传输进度的指示信息并将该指示信息加入到用户设备的通信帧中，以用于传输该指示信息。
  15. 一种用于用户设备侧的无线通信设备，包括：
    一个或多个处理器，被配置为
    对非授权频段进行检测；
    解析基站的通信帧中包含的关于所述非授权频段上的待传输通信内容的传输进度的指示信息；以及
    基于对所述非授权频段的检测结果，生成用于所述用户设备的服务基站的反馈信息。
  16. 根据权利要求15所述的无线通信设备，其中，所述通信帧位于所述非授权频段，并且所述通信帧还携带所述待传输通信内容。
  17. 根据权利要求15所述的无线通信设备，其中，所述一个或多个处理器被配置为针对所述服务基站指定的非授权频段中的一个或更多个候选频段进行检测，并且生成相应的反馈信息。
  18. 根据权利要求15所述的无线通信设备，其中，所述一个或多个处理器被配置为检测所述通信帧中包含的多播广播单频网子帧以解析所述指示信息。
  19. 根据权利要求18所述的无线通信设备，其中，所述多播广播单频网子帧还包括发送该指示信息的基站的物理小区标识，所述一个或多个处理器被配置为解析该物理小区标识，基于该物理小区标识确定当前占用相应非授权频段传输的基站所属的运营商以及生成相应的反馈信息。
  20. 根据权利要求15-19中任一项所述的无线通信设备，其中，所述一个或多个处理器还被配置为在使用授权频段与所述服务基站进行的通信的质量低于预定水平的情况下生成非授权频段请求，以用于请求触发对非授权频段的检测和分配过程。
  21. 根据权利要求15-19任一项所述的无线通信设备，还包括收发装置，被配置为通过授权频段向所述服务基站发送反馈信息。
  22. 一种在用户设备侧进行的无线通信方法，包括：
    对非授权频段进行检测；
    解析基站的通信帧中包含的关于所述非授权频段上的待传输通信内容的传输进度的指示信息；以及
    基于对所述非授权频段的检测结果，生成用于所述用户设备的服务基站的反馈信息。
  23. 一种用于基站侧的无线通信设备，包括：
    一个或多个处理器，被配置为
    检测非授权频段的可用性；
    基于非授权频段的可用性为所述基站的用户设备初步分配相应的非授权频段；以及
    生成包含所述基站的小区对应的导频序列而不包含数据信息的占用信号以用于所述相应非授权频段，从而在特定时间段内指示所述基站意图接入所述相应非授权频段。
PCT/CN2015/093972 2015-03-20 2015-11-06 无线通信设备和无线通信方法 Ceased WO2016150167A1 (zh)

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