WO2019214493A1 - 用户设备、电子设备、无线通信方法和存储介质 - Google Patents

用户设备、电子设备、无线通信方法和存储介质 Download PDF

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Publication number
WO2019214493A1
WO2019214493A1 PCT/CN2019/085078 CN2019085078W WO2019214493A1 WO 2019214493 A1 WO2019214493 A1 WO 2019214493A1 CN 2019085078 W CN2019085078 W CN 2019085078W WO 2019214493 A1 WO2019214493 A1 WO 2019214493A1
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Prior art keywords
user equipment
pdcch
bandwidth portion
bwp
detected
Prior art date
Application number
PCT/CN2019/085078
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English (en)
French (fr)
Inventor
崔琪楣
蔡博文
崔焘
陶小峰
Original Assignee
索尼公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 索尼公司 filed Critical 索尼公司
Priority to US16/954,215 priority Critical patent/US11388772B2/en
Priority to KR1020207033975A priority patent/KR20210005163A/ko
Priority to CN201980006273.8A priority patent/CN111448822B/zh
Priority to EP19799017.9A priority patent/EP3755033A4/en
Publication of WO2019214493A1 publication Critical patent/WO2019214493A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • 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
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • 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
    • H04W72/23—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
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • Embodiments of the present disclosure generally relate to the field of wireless communications, and in particular, to user equipment, electronic devices, wireless communication methods, and computer readable storage media. More particularly, the present disclosure relates to an electronic device as a network side device in a wireless communication system, a user device in a wireless communication system, a wireless communication method performed by a network side device in a wireless communication system, and a A wireless communication method performed by a user equipment in a wireless communication system and a computer readable storage medium.
  • Discontinuous Reception is a mechanism for reducing the power loss of user equipment.
  • the user equipment adopting the DRX mechanism can detect whether there is a PDCCH (Physical Downlink Control Channel) from the network side device in the duration of the DRX cycle. When the PDCCH from the network side device is not detected, the user equipment enters the sleep time of the DRX cycle, thereby waiting for the next DRX cycle.
  • the user equipment receives and demodulates the PDCCH, so as to perform uplink and downlink data transmission with the network side device according to the demodulated PDCCH.
  • the user equipment adopting the DRX mechanism periodically detects the PDCCH, and can enter the sleep state when the PDCCH is not detected. Therefore, the power consumption of the user equipment can be greatly reduced, and the power of the user equipment is saved.
  • the network side device When the user equipment and the network side device work in the unlicensed frequency band, if the network side device needs to send the PDCCH to the user equipment, and the BWP (Bandwidth Part) of the active state of the user equipment is occupied by other devices, the network side device The PDCCH cannot be sent, and the user equipment cannot detect the PDCCH. In this case, the user equipment does not receive the PDCCH that should be sent to the user equipment, thereby affecting subsequent data transmission.
  • the BWP Bandwidth Part
  • a user equipment including processing circuitry configured to detect physical downlink control on a first bandwidth portion (first BWP) of an unlicensed frequency band at a detection time of a discontinuous reception DRX cycle a channel PDCCH; and detecting a PDCCH on a second bandwidth portion (second BWP) of the unlicensed band when no PDCCH is detected on the first bandwidth portion.
  • first BWP first bandwidth portion
  • second BWP second bandwidth portion
  • an electronic device for use as a network side device, comprising processing circuitry configured to: occupy a first bandwidth portion of an unlicensed frequency band and a second bandwidth portion of an unlicensed frequency band is idle In the case of the second bandwidth part, the physical downlink control channel PDCCH is sent to the user equipment.
  • a wireless communication method performed by a user equipment, comprising: detecting a physical downlink control channel PDCCH on a first bandwidth portion of an unlicensed band during a detection time of a discontinuous reception DRX cycle; When no PDCCH is detected on the first bandwidth portion, the PDCCH is detected on the second bandwidth portion of the unlicensed band.
  • a wireless communication method performed by a network side device, including: in a case where a first bandwidth portion of an unlicensed band is occupied and a second bandwidth portion of an unlicensed band is idle, utilizing The second bandwidth part sends a physical downlink control channel PDCCH to the user equipment.
  • a computer readable storage medium comprising executable computer instructions that, when executed by a computer, cause the computer to perform a wireless communication method in accordance with the present disclosure.
  • the PDCCH when the network side device detects that one BWP of the user equipment is occupied, the PDCCH may be transmitted on other BWPs.
  • the PDCCH can be detected on other BWPs, thereby avoiding the situation that the PDCCH from the network side device is not received, and the DRX mechanism of the user equipment operating in the unlicensed frequency band is performed.
  • FIG. 1 is a configuration diagram showing a DRX cycle according to an embodiment of the present disclosure
  • FIG. 2 is a block diagram showing a structure of a user equipment according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure
  • FIG. 7(a) is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure
  • FIG. 7(b) is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure
  • FIG. 8 is a block diagram showing a structure of an electronic device serving as a network side device according to an embodiment of the present disclosure
  • FIG. 9 is a signaling flowchart illustrating transmitting a PDCCH on a BWP in an active state, according to an embodiment of the present disclosure
  • FIG. 10 is a signaling flowchart illustrating transmitting a PDCCH on a default BWP, according to an embodiment of the present disclosure
  • FIG. 11 is a signaling flowchart illustrating temporarily not transmitting a PDCCH according to an embodiment of the present disclosure
  • FIG. 12 is a flowchart illustrating a wireless communication method performed by a user equipment, according to an embodiment of the present disclosure
  • FIG. 13 is a flowchart illustrating a wireless communication method performed by a network side device according to an embodiment of the present disclosure
  • 14(a) is a flowchart illustrating a wireless communication method performed by a user equipment, according to an embodiment of the present disclosure
  • 14(b) is a flowchart illustrating a wireless communication method performed by a user equipment, according to an embodiment of the present disclosure
  • FIG. 15 is a flowchart illustrating a wireless communication method performed by a network side device according to an embodiment of the present disclosure
  • 16(a) is a flowchart illustrating a wireless communication method performed by a user equipment, according to an embodiment of the present disclosure
  • 16(b) is a flowchart illustrating a wireless communication method performed by a user equipment, according to an embodiment of the present disclosure
  • FIG. 17 is a block diagram showing a first example of a schematic configuration of an eNB (Evolved Node B);
  • FIG. 18 is a block diagram showing a second example of a schematic configuration of an eNB
  • 19 is a block diagram showing an example of a schematic configuration of a smartphone
  • 20 is a block diagram showing an example of a schematic configuration of a car navigation device.
  • Example embodiments are provided so that this disclosure will be thorough, and the scope will be fully conveyed by those skilled in the art. Numerous specific details, such as specific components, devices, and methods, are set forth to provide a thorough understanding of the embodiments of the present disclosure. It will be apparent to those skilled in the art that ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; In some example embodiments, well-known processes, well-known structures, and well-known techniques are not described in detail.
  • FIG. 1 is a configuration diagram showing a DRX cycle according to an embodiment of the present disclosure.
  • the user equipment is configured with a periodic DRX cycle, and each DRX cycle includes a detection time and a sleep time. During the detection time, the user equipment detects whether there is a PDCCH from the network side device. If there is no PDCCH from the network side device, the user equipment enters the sleep time of the DRX cycle, and detects the PDCCH in the detection time of the next DRX cycle.
  • a user equipment may be configured with multiple (eg, four) BWPs for receiving downlink information, where one BWP is in an active state and the other BWPs are in an inactive state.
  • the user equipment will only detect the PDCCH on the BWP that is active.
  • the shaded area indicates that the bandwidth portion currently used by the user equipment is occupied by other devices, so the network side device cannot transmit the PDCCH, and the user equipment cannot detect the PDCCH.
  • the present disclosure proposes, in such a scenario, a user equipment, an electronic device, a wireless communication method performed by an electronic device in a wireless communication system, a wireless communication method performed by a user equipment in a wireless communication system, and a computer in a wireless communication system A readable storage medium to improve the DRX mechanism of user equipment operating in an unlicensed band.
  • the wireless communication system according to the present disclosure may be a 5G NR communication system, and the user equipment and the network side device may operate in an unlicensed frequency band. That is to say, a plurality of BWPs pre-configured for the user equipment may be BWPs of unlicensed frequency bands.
  • the network side device may be any type of TRP (Transmit and Receive Port).
  • the TRP may have a transmitting and receiving function, for example, may receive information from the user equipment and the base station device, or may transmit information to the user equipment and the base station device.
  • the TRP can provide services to the user equipment and be controlled by the base station equipment. That is, the base station device provides a service to the user equipment through the TRP.
  • the network side device described in the present disclosure may also be a base station device, and may be, for example, an eNB or a gNB (a base station in a 5th generation communication system).
  • the user equipment may be 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 an in-vehicle terminal such as a car navigation device. ).
  • the user equipment may also be implemented as a terminal (also referred to as a machine type communication (MTC) terminal) that performs machine-to-machine (M2M) communication.
  • MTC machine type communication
  • M2M machine-to-machine
  • the user equipment may be a wireless communication module (such as an integrated circuit module including a single wafer) installed on each of the above terminals.
  • FIG. 2 is a block diagram showing an example of a configuration of a user device 200 according to an embodiment of the present disclosure.
  • the user equipment 200 may include a communication unit 210 and a determination unit 220.
  • each unit of the user equipment 200 may be included in a processing circuit. It should be noted that the user equipment 200 may include one processing circuit or multiple processing circuits. Further, the processing circuitry can include various discrete functional units to perform various different functions and/or operations. It should be noted that these functional units may be physical entities or logical entities, and differently named units may be implemented by the same physical entity.
  • the communication unit 210 may transmit and receive various information, for example, may receive PDCCH and downlink data information from a network side device, and may also send uplink data information to a network side device.
  • the network side device herein may be a network side device that provides service to the user device 200.
  • the determining unit 220 may determine a time-frequency resource for receiving the PDCCH, for example, determining to receive the PDCCH on one or more of the plurality of BWPs in which the user equipment 200 is pre-configured.
  • the user equipment 200 can operate in an unlicensed frequency band and is set to use the DRX mechanism.
  • the DRX cycle in which the user equipment 200 is configured may include a detection time and a sleep time, the PDCCH is detected at the detection time, and the PDCCH is not detected at the sleep time.
  • the determining unit 220 may determine that the resource for detecting the PDCCH is the first BWP of the unlicensed band, so that the user equipment 200 detects the PDCCH on the first BWP by the communication unit 210 at the detection time of the DRX cycle.
  • the determining unit 220 may determine that the resource for detecting the PDCCH is the second BWP of the unlicensed band, so that the user equipment 200 may pass through the communication unit 210.
  • the PDCCH is detected on the second BWP at the detection time of the DRX cycle.
  • the user equipment 200 first detects a PDCCH on the first BWP, and can detect the PDCCH on the second BWP when no PDCCH is detected on the first BWP, thereby using an unlicensed band.
  • the DRX mechanism has been improved.
  • FIG. 3 is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure.
  • the user equipment 200 detects the PDCCH on the BWP1 according to the DRX cycle.
  • the user equipment 200 detects the BWP2 at the detection time of the DRX cycle. PDCCH.
  • both the first BWP and the second BWP may be BWPs pre-configured for the user equipment 200 for receiving downlink information.
  • the user equipment 200 may be pre-configured with a plurality of BWPs for receiving downlink information, where one BWP is in an active state and the other BWPs are in an inactive state.
  • the first BWP is in an active state and the second BWP is in an inactive state.
  • the user equipment 200 may first detect the PDCCH on the BWP in an activated state, and when the PDCCH is not detected on the BWP in the activated state, the user equipment 200 may be in an inactive state.
  • the PDCCH is detected on one BWP in the BWP.
  • the user equipment 200 may include a BWP management unit 250 for managing and storing a plurality of BWPs configured for the user equipment 200 for receiving downlink information.
  • the BWP management unit 250 can store information such as the activation status of each BWP.
  • the user equipment 200 may receive information of a plurality of BWPs that are pre-configured from the network side device through the communication unit 210.
  • the user equipment 200 may receive information of multiple BWPs from the network side device through high layer signaling, including but not limited to RRC (Radio Resource Control) signaling.
  • the user equipment 200 may also store the received information of the plurality of BWPs in the BWP management unit 250.
  • the user equipment 200 may further receive information about the BWP in an activated state from the network side device through the communication unit 210, and the information about the BWP in the activated state may include the identification information of the BWP in the activated state.
  • the user equipment 200 may receive information about the BWP in an active state from the network side device through high layer signaling, including but not limited to RRC signaling (eg, through the first ActiveDownlink Bwp-Id field in RRC signaling). Further, the user equipment 200 may also store the received information about the BWP in an activated state in the BWP management unit 250.
  • the user equipment 200 may further receive information about the updated BWP in the activated state from the network side device, and the information about the updated BWP in the activated state may be Includes updated identification information for the active BWP.
  • the user equipment 200 may receive information about the updated BWP in an active state from the network side device by using high layer signaling including but not limited to RRC signaling and lower layer signaling including but not limited to DCI (Downlink Control Information).
  • the user device 200 can update the record stored in the BWP storage unit 250 according to the updated information of the BWP in the activated state.
  • the second BWP may be a default BWP configured for the user device 200. That is, the second BWP may be a default BWP in the inactive BWP configured for the user equipment 200.
  • the default BWP has a lower priority than the active BWP but higher than the other inactive BWPs. That is to say, the network side device is likely to transmit downlink information on the default BWP.
  • the user equipment 200 may further receive information about a default BWP from the network side device through the communication unit 210, and the information about the default BWP may include identification information of a default BWP.
  • the information about the default BWP may include identification information of a default BWP.
  • user equipment 200 may receive information about a default BWP from a network side device through higher layer signaling, including but not limited to RRC signaling (eg, through a defaultDownlink Bwp-Id field in RRC signaling). Further, the user equipment 200 may also store the received information about the default BWP in the BWP management unit 250.
  • the user equipment 200 may also receive information about the updated default BWP from the network side device, and the information about the updated default BWP may include the identification information of the updated default BWP.
  • User equipment 200 may receive information about the updated default BWP from the network side device through higher layer signaling including, but not limited to, RRC signaling and lower layer signaling including, but not limited to, DCI. Further, the user device 200 can update the record stored in the BWP storage unit 250 according to the updated information of the default BWP.
  • the user equipment 200 can be configured with a plurality of BWPs for receiving downlink information, including a BWP in an active state and a default BWP.
  • a BWP in an active state a BWP in an active state
  • BWP2 a default BWP
  • the user equipment 200 can receive, for example, from the network side device as shown in Table 1.
  • the information about the BWP shown is stored in the BWP management unit 250.
  • the user equipment 200 can be configured to replace the BWP for detection each time the PDCCH is not detected, so that the case where the PDCCH is not received can be avoided to the utmost.
  • the user equipment 200 may further include a counting unit 240, configured to set a counter, where the counter is used to indicate that the user equipment continuously fails to detect the PDCCH on the BWP in the active state, that is, The number of DRX cycles of the PDCCH is continuously detected on the BWP in the active state. Furthermore, the initial value of the counter is zero, and the counter is cleared each time the user equipment detects a PDCCH on the active BWP.
  • the counter set by the counting unit 240 may indicate the number of times the user equipment 200 continuously does not detect the PDCCH on the first BWP.
  • the user equipment 200 may be configured to detect the PDCCH on the second BWP only when the value of the counter is greater than a predetermined threshold.
  • the user equipment 200 may demodulate the detected PDCCH and perform transmission of the uplink and downlink information according to the demodulated PDCCH. Further, in this case, the counting unit 240 can clear the value of the counter.
  • the feedback information may be sent to the network side device through the communication unit 210, and the feedback information may be used to indicate that the user equipment 200 is on the first BWP.
  • Detected PDCCH includes but is not limited to UCI (Uplink Control Information), and the UCI may be feedback information on the PDCCH or subsequent downlink data detected on the first BWP. That is to say, the feedback information may implicitly indicate that the user equipment 200 has detected the PDCCH sent by the network side device.
  • UCI Uplink Control Information
  • the user equipment 200 may enter a sleep time of the DRX cycle.
  • the user equipment 200 in a case where the user equipment 200 does not detect the PDCCH on the first BWP, when the value of the counter is greater than a predetermined threshold, the user equipment 200 may be configured to detect the PDCCH on the second BWP. Further, in this case, the counting unit 240 can increment the value of the counter by one.
  • FIG. 4 is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure.
  • the user equipment 200 detects the PDCCH on the BWP1. If the user equipment 200 does not detect the PDCCH, the counting unit 240 increments the value of the counter by one, and judges that after adding 1 Whether the value of the counter exceeds a predetermined threshold, assuming that the value of the counter does not exceed the predetermined threshold, the user equipment 200 enters the sleep time of the first DRX cycle.
  • the user equipment 200 detects the PDCCH on the BWP1, assuming that the user equipment 200 does not detect the PDCCH, the counting unit 240 increments the value of the counter by 1, and judges the counter after adding 1 Whether the value exceeds a predetermined threshold, assuming that the value of the counter does not exceed the predetermined threshold, the user equipment 200 enters the sleep time of the second DRX cycle.
  • the user equipment 200 detects the PDCCH on the BWP1, assuming that the user equipment 200 does not detect the PDCCH, the counting unit 240 increments the value of the counter by 1, and judges the counter after adding 1 Whether the value exceeds a predetermined threshold, assuming that the value of the counter exceeds a predetermined threshold, the user equipment 200 detects the PDCCH on BWP2.
  • the user equipment 200 does not replace the BWP for detection every time the PDCCH is not detected, but sets a counter, only when the number of PDCCHs is not continuously detected on the first BWP, that is, DRX
  • the PDCCH is detected on the second BWP when the number of cycles exceeds a predetermined threshold, thereby preventing the user equipment 200 from frequently switching between different BWPs, thereby reducing signaling overhead.
  • the user equipment 200 may further include a channel detecting unit 230 for performing a channel detecting process.
  • the channel detection process here includes but is not limited to the LBT (Listen Before Talk) process.
  • the channel detecting unit 230 may perform a channel detecting process on the first BWP to determine whether the first BWP is occupied.
  • channel detection unit 230 may perform a Type 2 (Type 2) LBT procedure on the first BWP, which may include a 25 ⁇ s channel detection procedure.
  • the channel detecting unit 230 may determine, by using a channel detecting process, a channel state of the first BWP, including an occupied state and an idle state, where the occupied state indicates that the first BWP is occupied by other devices and cannot be used for transmitting and receiving information, and the idle state indicates that the first BWP does not exist. It can be used to send and receive information by being occupied by other devices.
  • the user equipment 200 may detect the PDCCH on the second BWP through the communication unit 210. . That is to say, the user equipment 200 does not detect the second BWP every time the PDCCH is not detected on the first BWP, but does not detect the second BWP if it is determined that the first BWP is occupied.
  • the channel detecting unit 230 may perform a channel detecting process after the detection time of the DRX cycle.
  • the communication unit 210 does not receive the PDCCH on the first BWP, and the channel detecting unit 230 performs a channel detection process to determine the channel state of the first BWP after the detection time.
  • the channel state of the first BWP indicates that the first BWP is occupied, the PDCCH is detected on the second BWP.
  • the user equipment 200 may enter the sleep time of the DRX cycle.
  • FIG. 5 is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure.
  • the black area in Fig. 5 indicates the time at which the LBT process is performed.
  • the user equipment 200 detects the PDCCH on the BWP1. If the user equipment 200 does not detect the PDCCH, the user equipment 200 performs an LBT process, assuming that the result of the LBT process indicates that the BWP1 does not exist. When occupied, the user equipment 200 enters the sleep time of the first DRX cycle. Next, at the detection time of the second DRX cycle, the user equipment 200 detects the PDCCH on the BWP1.
  • the user equipment 200 If the user equipment 200 does not detect the PDCCH, the user equipment 200 performs an LBT procedure, assuming that the result of the LBT procedure indicates that the BWP1 is not occupied. Then, the user equipment 200 enters the sleep time of the second DRX cycle. Next, at the detection time of the third DRX cycle, the user equipment 200 detects the PDCCH on the BWP1, assuming that the user equipment 200 does not detect the PDCCH, the user equipment 200 performs an LBT procedure, assuming that the result of the LBT procedure indicates that the BWP1 is occupied, then User equipment 200 detects the PDCCH on BWP2. It should be noted that FIG. 5 only shows the process of the channel detection process by taking the LBT process as an example. Of course, the channel detection process may also be another process capable of detecting the channel state.
  • the user equipment 200 does not replace the BWP for detection every time the PDCCH is not detected, but can perform a channel detection process only when no PDCCH is detected on the first BWP and the first When the BWP is occupied, the PDCCH is detected on the second BWP, thereby preventing the user equipment 200 from frequently switching between different BWPs, thereby reducing signaling overhead.
  • the user equipment can be prevented from frequently switching between different BWPs by setting one of the counting unit 240 and the channel detecting unit 230. Further, according to an embodiment of the present disclosure, the user equipment 200 may also have the counting unit 240 and the channel detecting unit 230 at the same time, thereby maximally preventing the user equipment from frequently switching between different BWPs.
  • the channel detecting unit 230 may be configured to perform the channel detecting process only when the value of the counter is greater than a predetermined threshold.
  • the user equipment 200 may enter a sleep time of the DRX cycle.
  • the user equipment 200 may enter a sleep time of the DRX cycle.
  • the user equipment 200 in a case where the user equipment 200 does not detect the PDCCH on the first BWP, when the value of the counter is greater than a predetermined threshold and the first BWP is occupied, the user equipment 200 may be configured to be in the second BWP The PDCCH is detected. Further, in this case, the counting unit 240 can increment the value of the counter by one.
  • FIG. 6 is a schematic diagram showing a process of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure.
  • the black area in Fig. 6 indicates the time at which the LBT process is performed.
  • the user equipment 200 detects the PDCCH on the BWP1. If the user equipment 200 does not detect the PDCCH, the counting unit 240 increments the value of the counter by one, and judges that after adding 1 Whether the value of the counter exceeds a predetermined threshold, assuming that the value of the counter does not exceed the predetermined threshold, the user equipment 200 enters the sleep time of the first DRX cycle.
  • the user equipment 200 detects the PDCCH on the BWP1, assuming that the user equipment 200 does not detect the PDCCH, the counting unit 240 increments the value of the counter by 1, and judges the counter after adding 1 Whether the value exceeds a predetermined threshold, assuming that the value of the counter does not exceed the predetermined threshold, the user equipment 200 enters the sleep time of the second DRX cycle.
  • the user equipment 200 detects the PDCCH on the BWP1, assuming that the user equipment 200 does not detect the PDCCH, the counting unit 240 increments the value of the counter by 1, and judges the counter after adding 1 Whether the value exceeds a predetermined threshold, assuming that the value of the counter exceeds a predetermined threshold, the user equipment 200 performs an LBT procedure, assuming that the result of the LBT procedure indicates that BWP1 is occupied, the user equipment 200 detects the PDCCH on the BWP2.
  • FIG. 6 only shows the process of the channel detection process by taking the LBT process as an example. Of course, the channel detection process may also be another process capable of detecting the channel state.
  • the user equipment 200 may be configured to detect a PDCCH on the second BWP in any of the following cases: no PDCCH is detected on the first BWP; no detection is performed on the first BWP To PDCCH and the value of the counter is greater than a predetermined threshold; no PDCCH is detected on the first BWP and the first BWP is occupied; no PDCCH is detected on the first BWP, the value of the counter is greater than a predetermined threshold and the first BWP is occupied.
  • the user equipment 200 may be classified into two cases, one is that the user equipment 200 detects the PDCCH on the second BWP, and the other is the user equipment. 200 does not detect the PDCCH on the second BWP. The following will be explained separately according to these two situations.
  • the user equipment 200 may demodulate the detected PDCCH and perform uplink and downlink information transmission according to the demodulated PDCCH.
  • the feedback information may be sent to the network side device through the communication unit 210, and the feedback information may be used to indicate that the user equipment 200 is on the second BWP.
  • Detected PDCCH includes but is not limited to UCI, and the UCI may be feedback information on the PDCCH or subsequent downlink data detected on the second BWP. That is to say, the feedback information may implicitly indicate that the user equipment 200 has detected the PDCCH sent by the network side device.
  • the BWP management unit 250 may set the second BWP to an active state and set the first BWP to an inactive state. That is, the BWP management unit 250 can update the records stored therein regarding the status of the respective BWPs.
  • the user equipment 200 may also receive from the network side device about setting the second BWP to an active state, and set the first BWP to Inactive information.
  • the user equipment 200 can receive such information from the network side device through higher layer signaling or lower layer signaling, and update the record stored therein regarding the status of each BWP according to the information.
  • the user equipment 200 may receive such information from the network side device through RRC signaling, or may receive such information through the DCI carried by the PDCCH detected on the second BWP.
  • the information received by the user equipment 200 from the network side device may be in various forms, for example, the new side information of the BWP in the activated state may be received from the network side device, or the default value indicated by 1 bit may be received from the network side device.
  • the BWP changes to the information of the BWP in the active state.
  • the user equipment 200 may further receive information about the updated default BWP from the network side device, and update the BWP management according to the received information.
  • Information of the default BWP stored in unit 250 may be received from the network side device through RRC signaling, or may receive such information through the DCI carried by the PDCCH detected on the second BWP.
  • the information received by the user equipment 200 from the network side device may include the identification information of the new default BWP.
  • the new default BWP may be all BWPs except the second BWP, and of course the first BWP. That is to say, the new default BWP received by the user equipment 200 may be the BWP that was originally in the active state, or may be other BWPs that were originally in the inactive state.
  • the user equipment 200 in a case where the user equipment 200 detects the PDCCH on the second BWP, since the second BWP becomes a new BWP in an activated state, the user equipment 200 defaults to the BWP in the active state first.
  • the PDCCH is detected above, so the user equipment 200 can detect the PDCCH on the second BWP at the detection time of the next DRX cycle of the DRX cycle.
  • FIG. 7(a) is a schematic diagram showing a procedure of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure.
  • the user equipment 200 detects the PDCCH on the BWP 2.
  • the user equipment 200 still detects the PDCCH on the BWP2 during the second DRX cycle of the BWP2.
  • FIG. 7(a) only shows that the trigger condition for the user equipment to detect the PDCCH on the second BWP is that the user equipment does not detect the PDCCH on the first BWP.
  • the trigger condition may also be any one described in the foregoing. Other conditions.
  • the BWP in the active state may still be the first BWP, and the default BWP may still be the second BWP.
  • the user equipment 200 since the user equipment 200 detects the PDCCH on the BWP in the active state by default, the user equipment 200 may be configured to detect the PDCCH on the first BWP during the detection time of the next DRX cycle of the DRX cycle.
  • FIG. 7(b) is a schematic diagram showing a procedure of detecting a PDCCH by a handover BWP according to an embodiment of the present disclosure.
  • the user equipment 200 detects the PDCCH on the BWP 2.
  • the user equipment 200 still detects the PDCCH on the BWP1 in the next DRX cycle.
  • FIG. 7(b) only shows that the trigger condition for the user equipment to detect the PDCCH on the second BWP is that the user equipment does not detect the PDCCH on the first BWP.
  • the trigger condition may also be any one described in the foregoing. Other conditions.
  • the user equipment 200 may enter a sleep time of the DRX cycle.
  • the user equipment 200 can detect the PDCCH on the BWP in an active state, and can detect the PDCCH on the default BWP when no PDCCH is detected on the BWP in the activated state, thereby avoiding The case where the user equipment 200 cannot detect the PDCCH. Further, user equipment 200 can avoid frequent switching of BWPs by setting a counter and/or channel detection procedure. In addition, the user equipment 200 may also decide whether to switch the BWP in the active state according to whether the PDCCH is detected on the default BWP. In summary, according to an embodiment of the present disclosure, the DRX mechanism operating in an unlicensed band user equipment can be improved.
  • FIG. 8 is a block diagram showing a structure of an electronic device 800 serving as a network side device in a wireless communication system according to an embodiment of the present disclosure.
  • the electronic device 800 can include a communication unit 810 and a processing unit 820.
  • various units of the electronic device 800 may be included in the processing circuit. It should be noted that the electronic device 800 may include one processing circuit or multiple processing circuits. Further, the processing circuitry can include various discrete functional units to perform various different functions and/or operations. It should be noted that these functional units may be physical entities or logical entities, and differently named units may be implemented by the same physical entity.
  • the communication unit 810 may transmit and receive information, for example, may transmit various PDCCHs and downlink data information to the user equipment, and may receive uplink data information from the user equipment.
  • the user equipment herein may be a user equipment within the coverage of the electronic device 800.
  • the processing unit 820 may determine a time-frequency resource for transmitting a PDCCH, for example, determine to transmit a PDCCH on one or more of the plurality of BWPs in which the user equipment is pre-configured.
  • the processing unit 820 may determine that the resource for transmitting the PDCCH is the second BWP, so that the electronic device 800 The communication unit 810 can transmit the PDCCH to the user equipment by using the second BWP.
  • the electronic device 800 can use the second BWP to send the PDCCH to the user equipment when the first BWP is occupied, thereby avoiding the situation that the first BWP is occupied and the PDCCH cannot be transmitted.
  • the electronic device 800 may further include a BWP configuration unit 840 for configuring a BWP for receiving downlink information for the user equipment.
  • the BWP configuration unit 840 of the electronic device 800 may pre-configure a plurality of BWPs for the user equipment to receive downlink information, where one BWP is in an active state and the other BWPs are in an inactive state.
  • both the first BWP and the second BWP may be BWPs pre-configured for the user equipment for receiving downlink information.
  • the electronic device 800 may transmit information of a plurality of BWPs configured in advance to the user equipment through the communication unit 210.
  • the electronic device 800 can transmit information of multiple BWPs to the user equipment through high layer signaling, including but not limited to RRC signaling.
  • the first BWP is in an active state and the second BWP is in an inactive state.
  • the electronic device 800 may further transmit information about the BWP in an activated state to the user device through the communication unit 810, and the information about the BWP in the activated state may include the identification information of the BWP in the activated state.
  • the electronic device 800 can transmit information about the BWP in an active state to the user equipment through high layer signaling, including but not limited to RRC signaling (eg, through the first ActiveDownlink Bwp-Id field in RRC signaling).
  • the electronic device 800 may transmit information about the updated BWP in an active state to the user equipment through higher layer signaling including, but not limited to, RRC signaling and lower layer signaling including but not limited to DCI.
  • the second BWP may be a default BWP configured for the user equipment. That is, the second BWP may be a default BWP in the inactive BWP configured for the user equipment.
  • the electronic device 800 may further transmit information about a default BWP to the user equipment through the communication unit 810, and the information about the default BWP may include identification information of the default BWP.
  • electronic device 800 can transmit information about the default BWP to the user equipment through higher layer signaling, including but not limited to RRC signaling (e.g., via the defaultDownlink Bwp-Id field in RRC signaling).
  • RRC signaling e.g., via the defaultDownlink Bwp-Id field in RRC signaling
  • information about the updated default BWP may also be sent to the user equipment, and the information about the updated default BWP may include the identification information of the updated default BWP.
  • the electronic device 800 can transmit information about the updated default BWP to the user equipment through higher layer signaling including, but not limited to, RRC signaling and lower layer signaling including, but not limited to, DCI.
  • the electronic device 800 may preferentially transmit a PDCCH on a BWP in an activated state, and when the BWP of an active state of the user equipment is occupied, the electronic device 800 may transmit a PDCCH on a default BWP.
  • the electronic device 800 may include a channel detecting unit 830 for performing a channel detecting process.
  • the channel detection process here includes but is not limited to the LBT (Listen Before Talk) process.
  • the electronic device 800 may perform a channel detection process on the first BWP to determine that the first BWP is occupied, and may also perform a channel detection process on the second BWP to determine that the second BWP is idle through the channel detection process.
  • the channel detecting unit 830 may perform a Type 2 (Type 2) LBT process on the first BWP and the second BWP, and the LBT process may include a 25 ⁇ s channel detecting process.
  • the channel detecting unit 830 may determine channel states of the first BWP and the second BWP by using a channel detecting process, including an occupied state and an idle state, where the occupied state indicates that the BWP is occupied by other devices and cannot be used for transmitting and receiving information, and the idle state indicates that the The BWP is not occupied by other devices and can be used to send and receive information.
  • a channel detecting process including an occupied state and an idle state, where the occupied state indicates that the BWP is occupied by other devices and cannot be used for transmitting and receiving information, and the idle state indicates that the The BWP is not occupied by other devices and can be used to send and receive information.
  • the channel detecting unit 830 may perform a channel detecting process on the first BWP before transmitting the PDCCH.
  • the channel detecting unit 830 determines that the first BWP is idle, the PDCCH is transmitted using the first BWP.
  • the channel detecting unit 830 determines that the first BWP is occupied, the channel detecting process is performed on the second BWP. Further, when the channel detecting unit 830 determines that the second BWP is idle, the PDCCH is transmitted using the second BWP.
  • FIG. 9 is a signaling flowchart illustrating transmitting a PDCCH on a BWP in an active state, according to an embodiment of the present disclosure.
  • a UE User Equipment
  • the base station transmits an RRC configuration to the UE.
  • the UE transmits an RRC configuration complete message to the base station.
  • the base station performs a channel detection procedure on BWP1 to determine that BWP1 is idle.
  • the base station transmits a PDCCH on BWP1.
  • the UE detects the PDCCH according to the DRX cycle, and detects the PDCCH on the BWP1.
  • the BWP configuration unit 840 may also set the second BWP to an active state and set the first BWP to an inactive state.
  • the BWP configuration unit 840 may also set the second BWP to an active state, and Set the first BWP to an inactive state.
  • the feedback information herein may represent the PDCCH detected by the user equipment on the second BWP.
  • the feedback information includes but is not limited to UCI, and the UCI may be feedback information of a PDCCH transmitted by the electronic device 800 or downlink data sent subsequently. That is, the feedback information may implicitly indicate that the user equipment has detected the PDCCH sent by the electronic device 800.
  • the BWP configuration unit 840 may set the second BWP to an active state in a case where the PDCCH is transmitted to the user equipment using the second BWP. Further, since the electronic device 800 transmits the PDCCH by using the second BWP and the user equipment does not detect the situation (for example, after the detection time of the DRX cycle of the user equipment on the second BWP, the electronic device 800 sends the second BWP by using the second BWP. PDCCH), therefore BWP configuration unit 840 may also be configured to set the second BWP to an active state if the PDCCH is transmitted to the user equipment using the second BWP and the feedback information is received from the user equipment.
  • the electronic device 800 may transmit information regarding setting the second BWP to an active state and setting the first BWP to an inactive state to the user device. Further, the electronic device 800 can transmit such information to the user equipment through high layer signaling or low layer signaling. For example, the electronic device 800 may transmit such information to the user equipment through RRC signaling, or may carry such information through the DCI carried by the PDCCH transmitted on the second BWP.
  • the information transmitted by the electronic device 800 may be in various forms, for example, may include new identification information of the BWP in an activated state, or may include information indicating that the default BWP is changed to the BWP in an activated state, represented by 1 bit.
  • the electronic device 800 may also transmit information about the updated default BWP to the user equipment.
  • the electronic device 800 may transmit such information to the user equipment through RRC signaling, or may carry such information through the DCI carried by the PDCCH transmitted on the second BWP.
  • the information transmitted by the electronic device 800 may include identification information of a new default BWP.
  • the new default BWP may be all BWPs except the second BWP, and of course the first BWP.
  • the new default BWP can be either the BWP that was originally active or the other BWP that was originally inactive.
  • the electronic device 800 can also send information about the updated default BWP to the user device.
  • FIG. 10 is a signaling flowchart illustrating transmitting a PDCCH on a default BWP, according to an embodiment of the present disclosure.
  • the UE transmits an RRC configuration request to the base station.
  • the base station transmits an RRC configuration to the UE.
  • the UE transmits an RRC configuration complete message to the base station.
  • the base station performs a channel detection procedure on BWP1 to determine that BWP1 is occupied.
  • the base station performs a channel detection procedure on BWP2 to determine that BWP2 is idle.
  • the base station transmits a PDCCH on BWP2.
  • the UE detects the PDCCH according to the DRX cycle, does not detect the PDCCH on the BWP1, and determines that the BWP1 is occupied, thereby detecting the PDCCH on the BWP2.
  • the UE determines a new active BWP and a new default BWP according to the DCI carried by the PDCCH detected on the BWP2.
  • FIG. 10 only shows a case where a new active BWP and a new default BWP are carried by the PDCCH.
  • the electronic device 800 can also carry one or more of the above information through high layer signaling.
  • the BWP configuration unit 840 may select a new default BWP from the plurality of BWPs configured for the user equipment for receiving the downlink information. Specifically, the BWP configuration unit 840 may select a new default BWP from among a plurality of BWPs configured for the user equipment for receiving downlink information, except for the new BWPs that are in the active state.
  • the BWP configuration unit 840 may select from all the BWPs configured for the user equipment in addition to the second BWP. Select the new default BWP for all BWPs.
  • the BWP configuration unit 840 may select a default BWP according to a probability that a channel of each of the plurality of BWPs detected by the electronic device 800 is idle.
  • the channel detecting unit 830 can perform a channel detecting process on each BWP of a plurality of BWPs, and thus can determine a channel idle probability of each BWP.
  • the BWP configuration unit 840 may select, from the plurality of BWPs, the BWP with the highest probability of channel idle as the default BWP.
  • the second BWP may be utilized to transmit the PDCCH, and thus the BWP and the default BWP of the user equipment in an activated state are changed.
  • the electronic device 800 may be configured to temporarily not transmit the PDCCH to the user equipment.
  • the electronic device 800 may not transmit the PDCCH to the user equipment for a predetermined period of time. For example, the electronic device 800 may set a timer after determining that the second BWP is occupied, and detect the channel state of the first BWP again after the timer expires. Further, in a case where the first BWP is idle, the electronic device 800 may send the PDCCH to the user equipment by using the first BWP. In the event that the first BWP is occupied, the electronic device 800 can re-execute the channel detection process on the second BWP.
  • the electronic device 800 may transmit the PDCCH to the user equipment by using the second BWP.
  • the electronic device 800 may also adopt other manners, such as rescheduling the user equipment, or transmitting the PDCCH by using a BWP other than the first BWP and the second BWP, and notifying the user equipment of the BWP carrying the PDCCH. Wait.
  • FIG. 11 is a signaling flowchart illustrating temporarily not transmitting a PDCCH according to an embodiment of the present disclosure.
  • the UE transmits an RRC configuration request to the base station.
  • the base station transmits an RRC configuration to the UE.
  • the UE transmits an RRC configuration complete message to the base station.
  • the base station performs a channel detection procedure on BWP1 to determine that BWP1 is occupied.
  • the base station performs a channel detection procedure on the BWP 2 to determine that the BWP 2 is also occupied, so the base station temporarily does not transmit the PDCCH.
  • the UE detects the PDCCH according to the DRX cycle, and does not detect the PDCCH on both BWP1 and BWP2, thereby entering the sleep time.
  • the base station performs a channel detection process on BWP1 to determine that BWP1 is idle.
  • the base station transmits a PDCCH on BWP1.
  • FIG. 11 only shows the case where BWP1 is idle after a predetermined time, and of course there is also a case where BWP1 is occupied and BWP2 is idle after a predetermined time, at which time the base station can transmit the PDCCH to the UE using BWP2.
  • the electronic device 800 may preferentially transmit a PDCCH on a BWP in an activated state, and when the BWP of an active state of the user equipment is occupied, the electronic device 800 may transmit a PDCCH on a default BWP.
  • the electronic device 800 can select the default BWP according to the probability that the channel is idle, so that the probability that the default BWP is idle is high, thereby improving the possibility that the PDCCH is successfully transmitted.
  • the electronic device 200 may serve as a user device, and the electronic device 800 may serve as a network side device, that is, the electronic device 800 may provide a service to the user device 200, and thus all embodiments related to the user device 200 described in the foregoing Both apply to this.
  • a wireless communication method performed by the user equipment 200 in the wireless communication system and the electronic device 800 as the network side device in the wireless communication system according to an embodiment of the present disclosure will be described in detail next.
  • FIG. 12 is a flowchart illustrating a wireless communication method performed by a user equipment 200 in a wireless communication system, according to an embodiment of the present disclosure.
  • step S1210 the physical downlink control channel PDCCH is detected on the first bandwidth portion of the unlicensed band at the detection time of the discontinuous reception DRX cycle.
  • step S1220 when no PDCCH is detected on the first bandwidth portion, the PDCCH is detected on the second bandwidth portion of the unlicensed band.
  • the method further comprises: setting a counter indicating a number of times the user equipment continuously does not detect the PDCCH on the first bandwidth portion; and detecting the PDCCH on the second bandwidth portion when the counter is greater than the predetermined threshold.
  • the first bandwidth portion and the second bandwidth portion are bandwidth portions configured for the user equipment for receiving downlink information, and the first bandwidth portion is in an active state and the second bandwidth portion is in an inactive state.
  • the method further comprises: when the PDCCH is detected on the second bandwidth portion, setting the second bandwidth portion to an active state, and setting the first bandwidth portion to an inactive state.
  • the method further comprises: transmitting feedback information when the PDCCH is detected on the second bandwidth portion.
  • the method further comprises detecting the PDCCH on the second bandwidth portion in the next DRX cycle of the DRX cycle when the PDCCH is detected on the second bandwidth portion.
  • the method further comprises detecting the PDCCH on the first bandwidth portion in the next DRX cycle of the DRX cycle when no PDCCH is detected on the second bandwidth portion.
  • the method further comprises entering a sleep time of the DRX cycle when no PDCCH is detected on the second bandwidth portion.
  • the second bandwidth portion is a default bandwidth portion configured for the user equipment, and the method further comprises: receiving information about the default bandwidth portion from the network side device.
  • the method further comprises: receiving information about the updated default bandwidth portion from the network side device when the PDCCH is detected on the second bandwidth portion.
  • the method further comprises: determining that the first bandwidth portion is occupied by the channel detection process when the PDCCH is not detected on the first bandwidth portion; and detecting the PDCCH on the second bandwidth portion when the first bandwidth portion is occupied .
  • the method further comprises performing a channel detection process after the detection time of the DRX cycle.
  • the method further comprises entering a sleep time of the DRX cycle when no PDCCH is detected on the first bandwidth portion and the first bandwidth portion is not occupied.
  • the subject performing the above method may be the user device 200 according to an embodiment of the present disclosure, and thus all of the foregoing embodiments regarding the user device 200 are applicable thereto.
  • a wireless communication method performed by the electronic device 800 as a network side device in the wireless communication system according to an embodiment of the present disclosure will be described in detail next.
  • FIG. 13 is a flowchart illustrating a wireless communication method performed by an electronic device 800 as a network side device in a wireless communication system, according to an embodiment of the present disclosure.
  • step S1310 in a case where the first bandwidth portion of the unlicensed band is occupied and the second bandwidth portion of the unlicensed band is idle, the PDCCH is transmitted to the user equipment by using the second bandwidth portion.
  • the method further comprises: determining, by the channel detection process, that the first bandwidth portion is occupied; and determining, by the channel detection process, that the second bandwidth portion is idle.
  • the first bandwidth portion and the second bandwidth portion are bandwidth portions configured for the user equipment for receiving downlink information, and the first bandwidth portion is in an active state and the second bandwidth portion is in an inactive state.
  • the method further comprises: setting the second bandwidth portion to an active state and setting the first bandwidth portion to an inactive state in a case where the PDCCH is transmitted to the user equipment by using the second bandwidth portion.
  • the method further comprises: setting the second bandwidth portion to an active state and setting the first bandwidth portion to be inactive in the case of transmitting the PDCCH to the user equipment using the second bandwidth portion and receiving the feedback information from the user equipment status.
  • the second bandwidth portion is a default bandwidth portion configured for the user equipment, and the method further comprises: transmitting information about the default bandwidth portion to the user equipment.
  • the method further comprises: transmitting information about the updated default bandwidth portion to the user equipment in the case of transmitting the PDCCH to the user equipment using the second bandwidth portion.
  • the method further comprises: transmitting information about the updated default bandwidth portion to the user equipment in the case of transmitting the PDCCH to the user equipment using the second bandwidth portion and receiving the feedback information from the user equipment.
  • the method further comprises: selecting a default bandwidth portion from a plurality of bandwidth portions configured for the user equipment for receiving downlink information.
  • the method further comprises: selecting a default bandwidth portion according to a probability of channel idleness of each of the plurality of bandwidth portions detected by the electronic device.
  • the method further comprises: performing channel detection processing on the first bandwidth portion and the second bandwidth portion again after a predetermined time in a case where the first bandwidth portion is occupied and the second bandwidth portion is occupied; at the first bandwidth In the case of partial idle, the PDCCH is transmitted to the user equipment by using the first bandwidth part; and in the case where the first bandwidth part is occupied and the second bandwidth part is idle, the PDCCH is transmitted to the user equipment by using the second bandwidth part.
  • the main body performing the above method may be the electronic device 800 according to an embodiment of the present disclosure, and thus all of the foregoing embodiments regarding the electronic device 800 are applicable thereto.
  • FIG. 14(a) is a flowchart illustrating a wireless communication method performed by a user equipment 200 in a wireless communication system, according to an embodiment of the present disclosure.
  • step S1401 any one of the DRX cycles is started.
  • the user equipment 200 detects the PDCCH on the BWP in the active state (for example, the first BWP, BWP1 described in the foregoing).
  • the user equipment 200 determines whether the PDCCH is detected on the BWP in the active state at the detection time of the DRX cycle.
  • step S1403 determines whether the user equipment 200 detects the PDCCH on the BWP in the active state at the detection time of the DRX cycle.
  • step S1404 the user equipment 200 decodes the PDCCH.
  • step S1405 the user equipment 200 performs uplink and downlink transmission with the network side device according to the result of decoding the PDCCH. After the uplink and downlink transmission, the process returns to step S1401, that is, the user equipment 200 continues to detect the PDCCH on the BWP in the active state according to the DRX cycle.
  • step S1403 determines whether the user equipment 200 does not detect the PDCCH on the BWP in the active state at the detection time of the DRX cycle. If the determination in step S1403 is NO, that is, the user equipment 200 does not detect the PDCCH on the BWP in the active state at the detection time of the DRX cycle, the process proceeds to step S1406.
  • step S1406 the user equipment 200 detects the PDCCH on the default BWP (e.g., the second BWP, BWP2 described in the foregoing) at the detection time of the DRX cycle.
  • the default BWP e.g., the second BWP, BWP2 described in the foregoing
  • step S1407 the user equipment 200 determines whether the PDCCH is detected on the default BWP.
  • step S1407 determines whether the user equipment 200 does not detect the PDCCH on the default BWP. If the determination in step S1407 is NO, that is, the user equipment 200 does not detect the PDCCH on the default BWP, the process proceeds to step S1410, that is, enters the sleep time of the DRX cycle, and then returns to step S1401, that is, the user equipment 200 continues to The DRX cycle detects the PDCCH on the active BWP (eg, the first BWP, BWP1 described in the foregoing).
  • the active BWP eg, the first BWP, BWP1 described in the foregoing.
  • step S1407 If the determination in step S1407 is YES, that is, the user equipment 200 detects the PDCCH on the default BWP, the process proceeds to step S1408. In step S1408, the user equipment 200 decodes the PDCCH detected on the default BWP.
  • step S1409 the user equipment 200 can set a new BWP and a default BWP in an active state. Then, proceeding to step S1405, the user equipment 200 performs uplink and downlink transmission with the network side device according to the result of decoding the PDCCH detected on the default BWP.
  • FIG. 14(b) is a flowchart illustrating a wireless communication method performed by the user equipment 200 in the wireless communication system, according to an embodiment of the present disclosure. Compared with FIG. 14(a), the step of judging whether or not the BWP in the active state is occupied is added in FIG. 14(b).
  • step S1401 any one of the DRX cycles is started.
  • the user equipment 200 detects the PDCCH on the BWP in the active state (for example, the first BWP, BWP1 described in the foregoing).
  • the user equipment 200 determines whether the PDCCH is detected on the BWP in the active state at the detection time of the DRX cycle.
  • step S1403 determines whether the user equipment 200 detects the PDCCH on the BWP in the active state at the detection time of the DRX cycle.
  • step S1404 the user equipment 200 decodes the PDCCH.
  • step S1405 the user equipment 200 performs uplink and downlink transmission with the network side device according to the result of decoding the PDCCH. After the uplink and downlink transmission, the process returns to step S1401, that is, the user equipment 200 continues to detect the PDCCH on the BWP in the active state according to the DRX cycle.
  • step S1403 determines whether the user equipment 200 does not detect the PDCCH on the BWP in the active state at the detection time of the DRX cycle. If the determination in step S1403 is NO, that is, the user equipment 200 does not detect the PDCCH on the BWP in the active state at the detection time of the DRX cycle, the process proceeds to step S1406.
  • step S1406 the user equipment 200 determines whether the BWP in the active state is occupied.
  • step S1406 determines whether the BWP in the active state is occupied. If the determination in step S1406 is NO, that is, the BWP in the active state is not occupied, the process proceeds to step S1411.
  • step S1411 the user equipment 200 enters the sleep time of the DRX cycle, and returns to step S1401, that is, the user equipment 200 continues to detect on the BWP in the active state (for example, the first BWP, BWP1 described in the foregoing) according to the DRX cycle. PDCCH.
  • step S1406 determines whether the BWP in the active state is occupied. If the determination in step S1406 is YES, that is, the BWP in the active state is occupied, the process proceeds to step S1407.
  • step S1407 the user equipment 200 detects the PDCCH on the default BWP (eg, the second BWP, BWP2 described in the foregoing) at the detection time of the DRX cycle.
  • the default BWP eg, the second BWP, BWP2 described in the foregoing
  • step S1408 the user equipment 200 determines whether a PDCCH is detected on the default BWP.
  • step S1408 determines whether the user equipment 200 does not detect the PDCCH on the default BWP. If the determination in step S1408 is NO, that is, the user equipment 200 does not detect the PDCCH on the default BWP, the process proceeds to step S1411, that is, enters the sleep time of the DRX cycle, and then returns to step S1401, that is, the user equipment 200 continues to The DRX cycle detects the PDCCH on the active BWP (eg, the first BWP, BWP1 described in the foregoing).
  • the active BWP eg, the first BWP, BWP1 described in the foregoing.
  • step S1408 If the determination in step S1408 is YES, that is, the user equipment 200 detects the PDCCH on the default BWP, the process proceeds to step S1409. In step S1409, the user equipment 200 decodes the PDCCH detected on the default BWP.
  • step S1410 the user equipment 200 can set a new BWP and a default BWP in an active state. Then, proceeding to step S1405, the user equipment 200 performs uplink and downlink transmission with the network side device according to the result of decoding the PDCCH detected on the default BWP.
  • FIG. 14(a) and 14(b) depict, in an exemplary manner, a flowchart of a method performed by user device 200, in accordance with an embodiment of the present disclosure. Modifications to Figures 14(a) and 14(b) can be made by those skilled in the art without departing from the spirit and scope of the present disclosure.
  • the subject performing the above method may be the user device 200 according to an embodiment of the present disclosure, and thus all of the foregoing embodiments regarding the user device 200 are applicable thereto.
  • FIG. 15 is a flowchart illustrating a wireless communication method performed by a network side device in a wireless communication system, according to an embodiment of the present disclosure.
  • step S1501 the electronic device 800 as a network side device determines whether it is necessary to transmit a PDCCH for a certain user equipment.
  • the electronic device 800 may continuously determine in step S1501 whether it is necessary to transmit the PDCCH until it is determined that the PDCCH needs to be transmitted, and then proceeds to step S1502.
  • step S1502 the electronic device 800 detects a channel idle state of the BWP of the user equipment in an active state (eg, the first BWP, BWP1 described above).
  • an active state eg, the first BWP, BWP1 described above.
  • step S1503 the electronic device 800 determines whether the BWP of the user equipment in an active state is idle.
  • step S1503 determines whether the BWP in the activated state of the user equipment is idle. If the determination in step S1503 is YES, that is, the BWP in the activated state of the user equipment is idle, the process proceeds to step S1504.
  • step S1504 the electronic device 800 transmits the PDCCH on the BWP of the user equipment in an active state.
  • step S1505 the electronic device 800 may perform uplink and downlink transmission with the user equipment according to the transmitted PDCCH. Then, returning to step 1501, the electronic device 800 continues to determine whether there is a PDCCH that needs to be sent to the user equipment.
  • step S1503 determines whether the BWP in the activated state of the user equipment is occupied. If the determination in step S1503 is NO, that is, the BWP in the activated state of the user equipment is occupied, the process proceeds to step S1506.
  • step S1506 the electronic device 800 detects the channel idle state of the default BWP of the user equipment.
  • step S1507 the electronic device 800 determines whether the channel of the default BWP of the user equipment (eg, the second BWP, BWP2 described in the foregoing) is idle.
  • the channel of the default BWP of the user equipment eg, the second BWP, BWP2 described in the foregoing
  • step S1507 determines whether the channel of the default BWP of the user equipment is idle. If the determination in step S1507 is YES, that is, the channel of the default BWP of the user equipment is idle, the process proceeds to step S1508, that is, the electronic device 800 transmits the PDCCH on the default BWP of the user equipment.
  • the electronic device 800 can also send a new active BWP and/or default BWP to the user device.
  • step S1505 that is, the electronic device 800 can perform uplink and downlink transmission with the user equipment according to the transmitted PDCCH. Then return to step 1501.
  • step S1507 determines whether the timer expires. When the timer expires, it proceeds to step S1502, that is, the electronic device 800 continues to detect the channel idle state on the BWP in the active state.
  • FIG. 15 depicts, in an exemplary manner, a flowchart of a method performed by electronic device 800, in accordance with an embodiment of the present disclosure. Modifications to Figure 15 can be made by those skilled in the art without departing from the spirit and scope of the present disclosure.
  • the PDCCH may be transmitted using other BWPs than the BWP and the default BWP in the active state.
  • the main body performing the above method may be the electronic device 800 according to an embodiment of the present disclosure, and thus all of the foregoing embodiments regarding the electronic device 800 are applicable thereto.
  • FIG. 16(a) is a flowchart illustrating a wireless communication method performed by a user equipment 200 in a wireless communication system, according to another embodiment of the present disclosure. Compared to FIG. 14(a), FIG. 16(a) adds a step related to a counter indicating that the user equipment 200 has not continuously detected the number of PDCCHs on the BWP in an active state. The initial value of the counter is zero, and the counter is cleared whenever the user equipment 100 detects the PDCCH on the BWP in the active state.
  • step S1601 any one of the DRX cycles is started.
  • the user equipment 200 detects the PDCCH on the BWP in the active state (for example, the first BWP, BWP1 described in the foregoing).
  • the user equipment 200 determines whether the PDCCH is detected on the BWP in the active state at the detection time of the DRX cycle.
  • step S1603 determines whether the user equipment 200 detects the PDCCH on the BWP in the active state at the detection time of the DRX cycle.
  • step S1604 the user equipment 200 clears the counter.
  • step S1605 the user equipment 200 decodes the PDCCH.
  • step S1606 the user equipment 200 performs uplink and downlink transmission with the network side device according to the result of decoding the PDCCH.
  • the process returns to step S1601, that is, the user equipment 200 continues to detect the PDCCH on the BWP in the active state according to the DRX cycle.
  • step S1603 determines whether the user equipment 200 does not detect the PDCCH on the BWP in the active state during the detection time of the DRX cycle. If the determination in step S1603 is NO, that is, the user equipment 200 does not detect the PDCCH on the BWP in the active state during the detection time of the DRX cycle, the process proceeds to step S1607.
  • step S1607 the user equipment 200 increments the value of the counter by one.
  • step S1608 the user equipment 200 determines whether the value of the counter is greater than a predetermined threshold.
  • step S1613 the user equipment 200 enters the sleep time of the DRX cycle, and then returns to step S1601, that is, continues to detect the PDCCH on the BWP in the active state according to the DRX cycle.
  • step S1609 the user equipment 200 detects the PDCCH on the default BWP (e.g., the second BWP, BWP2 described in the foregoing) at the detection time of the DRX cycle.
  • the default BWP e.g., the second BWP, BWP2 described in the foregoing
  • step S1610 the user equipment 200 determines whether the PDCCH is detected on the default BWP.
  • step S1610 determines whether the user equipment 200 does not detect the PDCCH on the default BWP. If the determination in step S1610 is NO, that is, the user equipment 200 does not detect the PDCCH on the default BWP, the process proceeds to step S1613, that is, enters the sleep time of the DRX cycle, and then returns to step S1601, that is, the user equipment 200 continues to The DRX cycle detects the PDCCH on the active BWP (eg, the first BWP, BWP1 described in the foregoing).
  • the active BWP eg, the first BWP, BWP1 described in the foregoing.
  • step S1610 If the determination in step S1610 is YES, that is, the user equipment 200 detects the PDCCH on the default BWP, the process proceeds to step S1611. In step S1611, the user equipment 200 decodes the PDCCH detected on the default BWP.
  • step S1612 the user equipment 200 can set a new BWP and a default BWP in an active state. Then, proceeding to step S1606, the user equipment 200 performs uplink and downlink transmission with the network side device according to the result of decoding the PDCCH detected on the default BWP.
  • FIG. 16(b) is a flowchart illustrating a wireless communication method performed by the user equipment 200 in a wireless communication system, according to another embodiment of the present disclosure.
  • FIG. 16(b) adds a step related to a counter indicating that the user equipment 200 does not continuously detect the number of PDCCHs on the BWP in an active state, and determines whether the BWP in the activated state is The steps taken.
  • the initial value of the counter is zero, and the counter is cleared whenever the user equipment 100 detects the PDCCH on the BWP in the active state.
  • step S1601 any one of the DRX cycles is started.
  • the user equipment 200 detects the PDCCH on the BWP in the active state (for example, the first BWP, BWP1 described in the foregoing).
  • the user equipment 200 determines whether the PDCCH is detected on the BWP in the active state at the detection time of the DRX cycle.
  • step S1603 determines whether the user equipment 200 detects the PDCCH on the BWP in the active state at the detection time of the DRX cycle.
  • step S1604 the user equipment 200 clears the counter.
  • step S1605 the user equipment 200 decodes the PDCCH.
  • step S1606 the user equipment 200 performs uplink and downlink transmission with the network side device according to the result of decoding the PDCCH.
  • the process returns to step S1601, that is, the user equipment 200 continues to detect the PDCCH on the BWP in the active state according to the DRX cycle.
  • step S1603 determines whether the user equipment 200 does not detect the PDCCH on the BWP in the active state during the detection time of the DRX cycle. If the determination in step S1603 is NO, that is, the user equipment 200 does not detect the PDCCH on the BWP in the active state during the detection time of the DRX cycle, the process proceeds to step S1607.
  • step S1607 the user equipment 200 increments the value of the counter by one.
  • step S1608 the user equipment 200 determines whether the value of the counter is greater than a predetermined threshold.
  • step S1608 determines whether the value of the counter is greater than the predetermined threshold. If the determination in step S1608 is NO, that is, the value of the counter is not greater than the predetermined threshold, the process proceeds to step S1614.
  • step S1614 the user equipment 200 enters the sleep time of the DRX cycle, and then returns to step S1601, that is, continues to detect the PDCCH on the BWP in the active state according to the DRX cycle.
  • step S1608 determines whether the BWP in the active state is occupied.
  • step S1609 determines whether the BWP in the active state is occupied. If the determination in step S1609 is NO, that is, the BWP in the active state is not occupied, the flow proceeds to step S1614, that is, the user equipment 200 enters the sleep time of the DRX cycle, and returns to step S1601.
  • step S1610 the user equipment 200 detects the PDCCH on the default BWP (e.g., the second BWP, BWP2 described in the foregoing) at the detection time of the DRX cycle.
  • the default BWP e.g., the second BWP, BWP2 described in the foregoing
  • step S1611 the user equipment 200 determines whether a PDCCH is detected on the default BWP.
  • step S1611 determines whether the user equipment 200 does not detect the PDCCH on the default BWP. If the determination in step S1611 is NO, that is, the user equipment 200 does not detect the PDCCH on the default BWP, the process proceeds to step S1614, that is, enters the sleep time of the DRX cycle, and then returns to step S1601, that is, the user equipment 200 continues to The DRX cycle detects the PDCCH on the active BWP (eg, the first BWP, BWP1 described in the foregoing).
  • the active BWP eg, the first BWP, BWP1 described in the foregoing.
  • step S1611 determines whether the user equipment 200 detects the PDCCH on the default BWP. If the determination in step S1611 is YES, that is, the user equipment 200 detects the PDCCH on the default BWP, the process proceeds to step S1612. In step S1612, the user equipment 200 decodes the PDCCH detected on the default BWP.
  • step S1613 the user equipment 200 can set a new BWP and a default BWP in an activated state. Then, proceeding to step S1606, the user equipment 200 performs uplink and downlink transmission with the network side device according to the result of decoding the PDCCH detected on the default BWP.
  • FIG. 16(a) and 16(b) depict, in an exemplary manner, a flowchart of a method performed by user device 200, in accordance with an embodiment of the present disclosure. Modifications to Figures 16(a) and 16(b) can be made by those skilled in the art without departing from the spirit and scope of the present disclosure.
  • the subject performing the above method may be the user device 200 according to an embodiment of the present disclosure, and thus all of the foregoing embodiments regarding the user device 200 are applicable thereto.
  • the technology of the present disclosure can be applied to various products.
  • the network side device can be implemented as any type of TRP.
  • the TRP may have a transmitting and receiving function, for example, may receive information from the user equipment and the base station device, or may transmit information to the user equipment and the base station device.
  • the TRP can provide services to the user equipment and be controlled by the base station equipment.
  • the TRP may have a structure similar to that of the base station device described below, or may have only a structure related to transmitting and receiving information in the base station device.
  • the network side device can also be implemented as any type of base station device, such as a macro eNB and a small eNB, and can also be implemented as any type of gNB (base station in a 5G system).
  • 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 base station can be implemented as any other type of base station, such as a NodeB and a base transceiver station (BTS).
  • the base station 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.
  • RRHs remote wireless headends
  • the user 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 an in-vehicle terminal (such as a car navigation device).
  • the user equipment may also be implemented as a terminal (also referred to as a machine type communication (MTC) terminal) that performs machine-to-machine (M2M) communication.
  • MTC machine type communication
  • M2M machine-to-machine
  • the user equipment may be a wireless communication module (such as an integrated circuit module including a single wafer) installed on each of the user equipments described above.
  • the eNB 1700 is a block diagram showing a first example of a schematic configuration of an eNB to which the technology of the present disclosure may be applied.
  • the eNB 1700 includes one or more antennas 1710 and base station devices 1720.
  • the base station device 1720 and each antenna 1710 may be connected to each other via an RF cable.
  • Each of the antennas 1710 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 1720 to transmit and receive wireless signals.
  • the eNB 1700 can include multiple antennas 1710.
  • multiple antennas 1710 can be compatible with multiple frequency bands used by eNB 1700.
  • FIG. 17 illustrates an example in which the eNB 1700 includes multiple antennas 1710, the eNB 1700 may also include a single antenna 1710.
  • the base station device 1720 includes a controller 1721, a memory 1722, a network interface 1723, and a wireless communication interface 1725.
  • the controller 1721 can be, for example, a CPU or a DSP, and operates various functions of higher layers of the base station device 1720. For example, controller 1721 generates data packets based on data in signals processed by wireless communication interface 1725 and communicates the generated packets via network interface 1723. The controller 1721 can bundle data from a plurality of baseband processors to generate bundled packets and deliver the generated bundled packets. The controller 1721 may have logic functions that perform 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 1722 includes a RAM and a ROM, and stores programs executed by the controller 1721 and various types of control data such as a terminal list, transmission power data, and scheduling data.
  • Network interface 1723 is a communication interface for connecting base station device 1720 to core network 1724. Controller 1721 can communicate with a core network node or another eNB via network interface 1723. In this case, the eNB 1700 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. Network interface 1723 may also be a wired communication interface or a wireless communication interface for wireless backhaul lines. If the network interface 1723 is a wireless communication interface, the network interface 1823 can use a higher frequency band for wireless communication than the frequency band used by the wireless communication interface 1725.
  • the wireless communication interface 1725 supports any cellular communication scheme, such as Long Term Evolution (LTE) and LTE-Advanced, and provides a wireless connection to terminals located in the cells of the eNB 1700 via the antenna 1710.
  • Wireless communication interface 1725 may typically include, for example, baseband (BB) processor 1726 and RF circuitry 1727.
  • the BB processor 1726 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 1726 may have some or all of the above described logic functions.
  • the BB processor 1726 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 1726 to change.
  • the module can be a card or blade that is inserted into the slot of the base station device 1720. Alternatively, the module can also be a chip mounted on a card or blade.
  • the RF circuit 1727 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives a wireless signal via the antenna 1710.
  • the wireless communication interface 1725 can include a plurality of BB processors 1726.
  • multiple BB processors 1726 can be compatible with multiple frequency bands used by eNB 1700.
  • the wireless communication interface 1725 can include a plurality of RF circuits 1727.
  • multiple RF circuits 1727 can be compatible with multiple antenna elements.
  • FIG. 17 illustrates an example in which the wireless communication interface 1725 includes a plurality of BB processors 1726 and a plurality of RF circuits 1727, the wireless communication interface 1725 may also include a single BB processor 1726 or a single RF circuit 1727.
  • the eNB 1830 includes one or more antennas 1840, base station equipment 1850, and RRH 1860.
  • the RRH 1860 and each antenna 1840 may be connected to each other via an RF cable.
  • the base station device 1850 and the RRH 1860 can be connected to each other via a high speed line such as a fiber optic cable.
  • Each of the antennas 1840 includes a single or multiple antenna elements (such as multiple antenna elements included in a MIMO antenna) and is used by the RRH 1860 to transmit and receive wireless signals.
  • the eNB 1830 can include multiple antennas 1840.
  • multiple antennas 1840 can be compatible with multiple frequency bands used by eNB 1830.
  • FIG. 18 illustrates an example in which eNB 1830 includes multiple antennas 1840, eNB 1830 may also include a single antenna 1840.
  • the base station device 1850 includes a controller 1851, a memory 1852, a network interface 1853, a wireless communication interface 1855, and a connection interface 1857.
  • the controller 1851, the memory 1852, and the network interface 1853 are the same as the controller 1721, the memory 1722, and the network interface 1723 described with reference to FIG.
  • the wireless communication interface 1855 supports any cellular communication scheme, such as LTE and LTE-Advanced, and provides wireless communication to terminals located in sectors corresponding to the RRH 1860 via the RRH 1860 and the antenna 1840.
  • Wireless communication interface 1855 can generally include, for example, BB processor 1856.
  • the BB processor 1856 is identical to the BB processor 1726 described with reference to FIG. 17 except that the BB processor 1856 is connected to the RF circuit 1864 of the RRH 1860 via the connection interface 1857.
  • the wireless communication interface 1855 can include a plurality of BB processors 1856.
  • multiple BB processors 1856 can be compatible with multiple frequency bands used by eNB 1830.
  • FIG. 18 illustrates an example in which the wireless communication interface 1855 includes a plurality of BB processors 1856, the wireless communication interface 1855 can also include a single BB processor 1856.
  • connection interface 1857 is an interface for connecting the base station device 1850 (wireless communication interface 1855) to the RRH 1860.
  • the connection interface 1857 may also be a communication module for connecting the base station device 1850 (wireless communication interface 1855) to the communication in the above-described high speed line of the RRH 1860.
  • the RRH 1860 includes a connection interface 1861 and a wireless communication interface 1863.
  • connection interface 1861 is an interface for connecting the RRH 1860 (wireless communication interface 1863) to the base station device 1850.
  • the connection interface 1861 may also be a communication module for communication in the above high speed line.
  • Wireless communication interface 1863 transmits and receives wireless signals via antenna 1840.
  • Wireless communication interface 1863 may generally include, for example, RF circuitry 1864.
  • the RF circuit 1864 can include, for example, a mixer, a filter, and an amplifier, and transmits and receives wireless signals via the antenna 1840.
  • the wireless communication interface 1863 can include a plurality of RF circuits 1864.
  • multiple RF circuits 1864 can support multiple antenna elements.
  • FIG. 18 illustrates an example in which the wireless communication interface 1863 includes a plurality of RF circuits 1864, the wireless communication interface 1863 may also include a single RF circuit 1864.
  • the processing unit 820, the channel detecting unit 830, and the BWP configuration unit 840 described by using FIG. 8 can be implemented by the controller 1721 and/or the controller 1851. At least a portion of the functionality can also be implemented by controller 1721 and controller 1851.
  • the controller 1721 and/or the controller 1851 may perform a function of determining resources for transmitting a PDCCH, channel detection, and configuring a BWP by executing an instruction stored in a corresponding memory.
  • the smart phone 1900 includes a processor 1901, a memory 1902, a storage device 1903, an external connection interface 1904, an imaging device 1906, a sensor 1907, a microphone 1908, an input device 1909, a display device 1910, a speaker 1911, a wireless communication interface 1912, and one or more.
  • the processor 1901 can be, for example, a CPU or a system on chip (SoC), and controls the functions of the application layer and other layers of the smart phone 1900.
  • the memory 1902 includes a RAM and a ROM, and stores data and programs executed by the processor 1901.
  • the storage device 1903 may include a storage medium such as a semiconductor memory and a hard disk.
  • the external connection interface 1904 is an interface for connecting an external device such as a memory card and a universal serial bus (USB) device to the smart phone 1900.
  • USB universal serial bus
  • the image pickup device 1906 includes an image sensor such as a charge coupled device (CCD) and a complementary metal oxide semiconductor (CMOS), and generates a captured image.
  • Sensor 1907 can include a set of sensors, such as a measurement sensor, a gyro sensor, a geomagnetic sensor, and an acceleration sensor.
  • the microphone 1908 converts the sound input to the smartphone 1900 into an audio signal.
  • the input device 1909 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 1910, and receives an operation or information input from a user.
  • the display device 1910 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 1900.
  • the speaker 1911 converts the audio signal output from the smartphone 1900 into sound.
  • the wireless communication interface 1912 supports any cellular communication scheme (such as LTE and LTE-Advanced) and performs wireless communication.
  • Wireless communication interface 1912 may generally include, for example, BB processor 1913 and RF circuitry 1914.
  • the BB processor 1913 can perform, for example, encoding/decoding, modulation/demodulation, and multiplexing/demultiplexing, and performs various types of signal processing for wireless communication.
  • the RF circuit 1914 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives a wireless signal via the antenna 2016.
  • the wireless communication interface 1912 can be a chip module on which the BB processor 1913 and the RF circuit 1914 are integrated. As shown in FIG.
  • the wireless communication interface 1912 can include a plurality of BB processors 1913 and a plurality of RF circuits 1914.
  • FIG. 19 illustrates an example in which the wireless communication interface 1912 includes a plurality of BB processors 1913 and a plurality of RF circuits 1914, the wireless communication interface 1912 may also include a single BB processor 1913 or a single RF circuit 1914.
  • wireless communication interface 1912 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 1912 can include a BB processor 1913 and an RF circuit 1914 for each wireless communication scheme.
  • Each of the antenna switches 1915 switches the connection destination of the antenna 1916 between a plurality of circuits included in the wireless communication interface 1912, such as circuits for different wireless communication schemes.
  • Each of the antennas 1916 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 1912 to transmit and receive wireless signals.
  • smart phone 1900 can include multiple antennas 1916.
  • FIG. 19 illustrates an example in which smart phone 1900 includes multiple antennas 1916, smart phone 1900 may also include a single antenna 1916.
  • smart phone 1900 can include an antenna 1916 for each wireless communication scheme.
  • the antenna switch 1915 can be omitted from the configuration of the smartphone 1900.
  • the bus 1917 integrates the processor 1901, the memory 1902, the storage device 1903, the external connection interface 1904, the imaging device 1906, the sensor 1907, the microphone 1908, the input device 1909, the display device 1910, the speaker 1911, the wireless communication interface 1912, and the auxiliary controller 1919 with each other. connection.
  • Battery 1918 provides power to various blocks of smart phone 1900 shown in FIG. 19 via feeders, which are partially shown as dashed lines in the figure.
  • the secondary controller 1919 operates the minimum necessary functions of the smartphone 1900, for example, in a sleep mode.
  • the determining unit 220, the channel detecting unit 230, the counting unit 240, and the BWP managing unit 250 described by using Fig. 2 can be realized by the processor 1901 or the auxiliary controller 1919. At least a portion of the functionality may also be implemented by processor 1901 or auxiliary controller 1919.
  • the processor 1901 or the auxiliary controller 1919 may perform determining to detect a resource of the PDCCH, channel detection, counting the number of consecutive PDCCHs not detected, and managing the BWP by executing an instruction stored in the memory 1902 or the storage device 1903.
  • FIG. 20 is a block diagram showing an example of a schematic configuration of a car navigation device 2020 to which the technology of the present disclosure can be applied.
  • the car navigation device 2020 includes a processor 2021, a memory 2022, a global positioning system (GPS) module 2024, a sensor 2025, a data interface 2026, a content player 2027, a storage medium interface 2028, an input device 2029, a display device 2030, a speaker 2031, and a wireless device.
  • the processor 2021 can be, for example, a CPU or SoC and controls the navigation functions and additional functions of the car navigation device 2020.
  • the memory 2022 includes a RAM and a ROM, and stores data and programs executed by the processor 2021.
  • the GPS module 2024 measures the position of the car navigation device 2020 (such as latitude, longitude, and altitude) using GPS signals received from GPS satellites.
  • Sensor 2025 can include a set of sensors, such as a gyro sensor, a geomagnetic sensor, and an air pressure sensor.
  • the data interface 2026 is connected to, for example, the in-vehicle network 2041 via a terminal not shown, and acquires data (such as vehicle speed data) generated by the vehicle.
  • the content player 2027 reproduces content stored in a storage medium such as a CD and a DVD, which is inserted into the storage medium interface 2028.
  • the input device 2029 includes, for example, a touch sensor, a button or a switch configured to detect a touch on the screen of the display device 2030, and receives an operation or information input from a user.
  • the display device 2030 includes a screen such as an LCD or OLED display, and displays an image of the navigation function or reproduced content.
  • the speaker 2031 outputs the sound of the navigation function or the reproduced content.
  • the wireless communication interface 2033 supports any cellular communication scheme (such as LTE and LTE-Advanced) and performs wireless communication.
  • Wireless communication interface 2033 may typically include, for example, BB processor 2034 and RF circuitry 2035.
  • the BB processor 2034 can perform, for example, encoding/decoding, modulation/demodulation, and multiplexing/demultiplexing, and performs various types of signal processing for wireless communication.
  • the RF circuit 2035 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives a wireless signal via the antenna 2037.
  • the wireless communication interface 2033 can also be a chip module on which the BB processor 2034 and the RF circuit 2035 are integrated. As shown in FIG.
  • the wireless communication interface 2033 can include a plurality of BB processors 2034 and a plurality of RF circuits 2035.
  • FIG. 20 illustrates an example in which the wireless communication interface 2033 includes a plurality of BB processors 2034 and a plurality of RF circuits 2035, the wireless communication interface 2033 may also include a single BB processor 2034 or a single RF circuit 2035.
  • wireless communication interface 2033 can support additional types of wireless communication schemes, such as short-range wireless communication schemes, near field communication schemes, and wireless LAN schemes.
  • the wireless communication interface 2033 may include a BB processor 2034 and an RF circuit 2035 for each wireless communication scheme.
  • Each of the antenna switches 2036 switches the connection destination of the antenna 2037 between a plurality of circuits included in the wireless communication interface 2033, such as circuits for different wireless communication schemes.
  • Each of the antennas 2037 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 2033 to transmit and receive wireless signals.
  • car navigation device 2020 can include multiple antennas 2037.
  • FIG. 20 illustrates an example in which the car navigation device 2020 includes a plurality of antennas 2037, the car navigation device 2020 may also include a single antenna 2037.
  • car navigation device 2020 can include an antenna 2037 for each wireless communication scheme.
  • the antenna switch 2036 can be omitted from the configuration of the car navigation device 2020.
  • Battery 2038 provides power to various blocks of car navigation device 2020 shown in FIG. 20 via feeders, which are partially shown as dashed lines in the figures.
  • the battery 2038 accumulates power supplied from the vehicle.
  • the determination unit 220, the channel detecting unit 230, the counting unit 240, and the BWP management unit 250 described by using FIG. 2 can be implemented by the processor 2021. At least a portion of the functionality can also be implemented by processor 2021.
  • the processor 2021 may perform a function of determining a resource for detecting a PDCCH, channel detection, counting the number of consecutive PDCCHs not detected, and managing the BWP by executing an instruction stored in the memory 2022.
  • the technology of the present disclosure may also be implemented as an onboard system (or vehicle) 2040 that includes one or more of the car navigation device 2020, the in-vehicle network 2041, and the vehicle module 2042.
  • vehicle module 2042 generates vehicle data such as vehicle speed, engine speed, and fault information, and outputs the generated data to the in-vehicle network 2041.
  • a plurality of functions included in one unit in the above embodiment may be implemented by separate devices.
  • a plurality of functions implemented by a plurality of units in the above embodiments may be implemented by separate devices, respectively.
  • one of the above functions may be implemented by a plurality of units. Needless to say, such a configuration is included in the technical scope of the present disclosure.
  • the steps described in the flowcharts include not only processes performed in time series in the stated order, but also processes performed in parallel or individually rather than necessarily in time series. Further, even in the step of processing in time series, it is needless to say that the order can be appropriately changed.

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Abstract

本公开涉及用户设备、电子设备、无线通信方法和存储介质。根据本公开的用户设备包括处理电路，被配置为：在非连续接收DRX周期的检测时间在非授权频段的第一带宽部分上检测物理下行控制信道PDCCH；以及当在所述第一带宽部分上没有检测到PDCCH时，在非授权频段的第二带宽部分上检测PDCCH。使用根据本公开的用户设备、电子设备、无线通信方法和存储介质，可以对工作在非授权频段的用户设备的DRX机制进行改进。

Description

用户设备、电子设备、无线通信方法和存储介质
本申请要求于2018年5月8日提交中国专利局、申请号为201810431313.0、发明名称为“用户设备、电子设备、无线通信方法和存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开的实施例总体上涉及无线通信领域，具体地涉及用户设备、电子设备、无线通信方法和计算机可读存储介质。更具体地，本公开涉及一种作为无线通信系统中的网络侧设备的电子设备、一种无线通信系统中的用户设备、一种由无线通信系统中的网络侧设备执行的无线通信方法、一种由无线通信系统中的用户设备执行的无线通信方法以及一种计算机可读存储介质。
背景技术
非连续接收(Discontinuous Reception，DRX)是一种用于减少用户设备的功率损耗的机制。采用DRX机制的用户设备可以在DRX周期的检测时间(on duration)检测是否有来自于网络侧设备的PDCCH(Physical Downlink Control Channel，物理下行控制信道)。当没有检测到来自网络侧设备的PDCCH时，用户设备进入DRX周期的睡眠时间，从而等待下一个DRX周期。当检测到来自网络侧设备的PDCCH时，用户设备对PDCCH进行接收并解调，从而根据解调后的PDCCH进行与网络侧设备之间的上下行数据传输。由于采用DRX机制的用户设备周期性检测PDCCH，且在没有检测到PDCCH时可以进入睡眠状态，因此能够大大减少用户设备的功耗，节约用户设备的电量。
当用户设备和网络侧设备工作在非授权频段时，如果网络侧设备需要向用户设备发送PDCCH，而用户设备的处于激活状态的BWP(Bandwidth Part，带宽部分)被其它设备占用，则网络侧设备无法发送PDCCH，用户设备也无法检测PDCCH。在这种情况下，用户设备没有接收到本应发送到该用户设备的PDCCH，从而影响后续的数据传输。
因此，有必要提出一种技术方案，以对工作在非授权频段的用户设 备的DRX机制进行改进。
发明内容
这个部分提供了本公开的一般概要，而不是其全部范围或其全部特征的全面披露。
本公开的目的在于提供一种用户设备、电子设备、无线通信方法和计算机可读存储介质，以对工作在非授权频段的用户设备的DRX机制进行改进。
根据本公开的一方面，提供了一种用户设备，包括处理电路，被配置为：在非连续接收DRX周期的检测时间在非授权频段的第一带宽部分(第一BWP)上检测物理下行控制信道PDCCH；以及当在所述第一带宽部分上没有检测到PDCCH时，在非授权频段的第二带宽部分(第二BWP)上检测PDCCH。
根据本公开的另一方面，提供了一种用作网络侧设备的电子设备，包括处理电路，被配置为：在非授权频段的第一带宽部分被占用并且非授权频段的第二带宽部分空闲的情况下，利用所述第二带宽部分向用户设备发送物理下行控制信道PDCCH。
根据本公开的另一方面，提供了一种由用户设备执行的无线通信方法，包括：在非连续接收DRX周期的检测时间在非授权频段的第一带宽部分上检测物理下行控制信道PDCCH；以及当在所述第一带宽部分上没有检测到PDCCH时，在非授权频段的第二带宽部分上检测PDCCH。
根据本公开的另一方面，提供了一种由网络侧设备执行的无线通信方法，包括：在非授权频段的第一带宽部分被占用并且非授权频段的第二带宽部分空闲的情况下，利用所述第二带宽部分向用户设备发送物理下行控制信道PDCCH。
根据本公开的另一方面，提供了一种计算机可读存储介质，包括可执行计算机指令，所述可执行计算机指令当被计算机执行时使得所述计算机执行根据本公开所述的无线通信方法。
使用根据本公开的用户设备、电子设备、无线通信方法和计算机可读存储介质，当网络侧设备检测到用户设备一个BWP被占用时，可以在其它的BWP上发送PDCCH。用户设备在某个BWP上没有检测到PDCCH 时，可以在其它的BWP上检测PDCCH，从而避免了没有接收到来自网络侧设备的PDCCH的情况，对工作在非授权频段的用户设备的DRX机制进行改进。
从在此提供的描述中，进一步的适用性区域将会变得明显。这个概要中的描述和特定例子只是为了示意的目的，而不旨在限制本公开的范围。
附图说明
在此描述的附图只是为了所选实施例的示意的目的而非全部可能的实施，并且不旨在限制本公开的范围。在附图中：
图1是示出根据本公开的实施例的DRX周期的配置示意图；
图2是示出根据本公开的实施例的用户设备的结构的框图；
图3是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图；
图4是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图；
图5是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图；
图6是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图；
图7(a)是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图；
图7(b)是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图；
图8是示出根据本公开的实施例的用作网络侧设备的电子设备的结构的框图；
图9是示出根据本公开的实施例的在激活状态的BWP上发送PDCCH的信令流程图；
图10是示出根据本公开的实施例的在默认的BWP上发送PDCCH的信令流程图；
图11是示出根据本公开的实施例的暂时不发送PDCCH的信令流程图；
图12是示出根据本公开的实施例的由用户设备执行的无线通信方法的流程图；
图13是示出根据本公开的实施例的由网络侧设备执行的无线通信方法的流程图；
图14(a)是示出根据本公开的实施例的由用户设备执行的无线通信方法的流程图；
图14(b)是示出根据本公开的实施例的由用户设备执行的无线通信方法的流程图；
图15是示出根据本公开的实施例的由网络侧设备执行的无线通信方法的流程图；
图16(a)是示出根据本公开的实施例的由用户设备执行的无线通信方法的流程图；
图16(b)是示出根据本公开的实施例的由用户设备执行的无线通信方法的流程图；
图17是示出eNB(Evolved Node B，演进型节点B)的示意性配置的第一示例的框图；
图18是示出eNB的示意性配置的第二示例的框图；
图19是示出智能电话的示意性配置的示例的框图；以及
图20是示出汽车导航设备的示意性配置的示例的框图。
虽然本公开容易经受各种修改和替换形式，但是其特定实施例已作为例子在附图中示出，并且在此详细描述。然而应当理解的是，在此对特定实施例的描述并不打算将本公开限制到公开的具体形式，而是相反地，本公开目的是要覆盖落在本公开的精神和范围之内的所有修改、等效和替换。要注意的是，贯穿几个附图，相应的标号指示相应的部件。
具体实施方式
现在参考附图来更加充分地描述本公开的例子。以下描述实质上只是示例性的，而不旨在限制本公开、应用或用途。
提供了示例实施例，以便本公开将会变得详尽，并且将会向本领域技术人员充分地传达其范围。阐述了众多的特定细节如特定部件、装置和方法的例子，以提供对本公开的实施例的详尽理解。对于本领域技术人员而言将会明显的是，不需要使用特定的细节，示例实施例可以用许多不同的形式来实施，它们都不应当被解释为限制本公开的范围。在某些示例实施例中，没有详细地描述众所周知的过程、众所周知的结构和众所周知的技术。
图1是示出根据本公开的实施例的DRX周期的配置示意图。如图1所示，用户设备被配置了周期性的DRX周期，每个DRX周期包括检测时间和睡眠时间。在检测时间内，用户设备检测是否有来自于网络侧设备的PDCCH，如果没有来自于网络侧设备的PDCCH，用户设备进入DRX周期的睡眠时间，并在下一个DRX周期的检测时间对PDCCH进行检测。在NR(New Radio，新无线)通信系统中，用户设备可以被配置多个(例如四个)用于接收下行信息的BWP，其中一个BWP处于激活状态，其它的BWP处于非激活状态。一般来说，用户设备只会在处于激活状态的BWP上检测PDCCH。在图1中，阴影区域表示用户设备当前使用的带宽部分被其它设备占用，那么网络侧设备就无法发送PDCCH，用户设备也无法检测PDCCH。
本公开针对这样的场景提出了一种无线通信系统中的用户设备、电子设备、由无线通信系统中的电子设备执行的无线通信方法、由无线通信系统中的用户设备执行的无线通信方法以及计算机可读存储介质，以改进工作在非授权频段的用户设备的DRX机制。
根据本公开的无线通信系统可以是5G的NR通信系统，并且用户设备和网络侧设备可以工作在非授权频段。也就是说，为用户设备预先配置的多个BWP都可以是非授权频段的BWP。
根据本公开的网络侧设备可以是任何类型的TRP(Transmit and Receive Port，发送和接收端口)。该TRP可以具备发送和接收功能，例如可以从用户设备和基站设备接收信息，也可以向用户设备和基站设备发送信息。在一个示例中，TRP可以为用户设备提供服务，并且受基站设备的控制。也就是说，基站设备通过TRP向用户设备提供服务。此外，在本公开中所述的网络侧设备也可以是基站设备，例如可以是eNB，也可以是gNB(第5代通信系统中的基站)。
根据本公开的用户设备可以是移动终端(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)。用户设备还可以被实现为执行机器对机器(M2M)通信的终端(也称为机器类型通信(MTC)终端)。此外，用户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(诸如包括单个晶片的集成电路模块)。
图2是示出根据本公开的实施例的用户设备200的配置的示例的框图。
如图2所示，用户设备200可以包括通信单元210和确定单元220。
这里，用户设备200的各个单元都可以包括在处理电路中。需要说明的是，用户设备200既可以包括一个处理电路，也可以包括多个处理电路。进一步，处理电路可以包括各种分立的功能单元以执行各种不同的功能和/或操作。需要说明的是，这些功能单元可以是物理实体或逻辑实体，并且不同称谓的单元可能由同一个物理实体实现。
根据本公开的实施例，通信单元210可以收发各种信息，例如可以从网络侧设备接收PDCCH和下行数据信息，还可以向网络侧设备发送上行数据信息。这里的网络侧设备可以是为用户设备200提供服务的网络侧设备。进一步，确定单元220可以确定用于接收PDCCH的时频资源，例如确定在用户设备200被预先配置的多个BWP中的一个或多个BWP上接收PDCCH。
这里，用户设备200可以工作在非授权频段并且被设置为使用DRX机制。用户设备200被配置的DRX周期可以包括检测时间和睡眠时间，在检测时间检测PDCCH，而在睡眠时间不检测PDCCH。
根据本公开的实施例，确定单元220可以确定用于检测PDCCH的资源是非授权频段的第一BWP，从而用户设备200通过通信单元210在DRX周期的检测时间在第一BWP上检测PDCCH。
根据本公开的实施例，当用户设备200在第一BWP上没有检测到PDCCH时，确定单元220可以确定用于检测PDCCH的资源是非授权频段的第二BWP，从而用户设备200可以通过通信单元210在DRX周期的检测时间在第二BWP上检测PDCCH。
由此可见，根据本公开的实施例的用户设备200，首先在第一BWP上检测PDCCH，当在第一BWP上没有检测到PDCCH时可以在第二BWP上检测PDCCH，由此对非授权频段的DRX机制进行了改进。
图3是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图。如图3所示，用户设备200按照DRX周期在BWP1上检测PDCCH，当用户设备200在BWP1上在DRX周期的检测时间没有检测到PDCCH时，用户设备200在DRX周期的检测时间在BWP2上检测PDCCH。
根据本公开的实施例，第一BWP和第二BWP都可以是为用户设备200预先配置的用于接收下行信息的BWP。这里，用户设备200可以被预先配置多个BWP用于接收下行信息，其中一个BWP处于激活状态，其它的BWP处于非激活状态。根据本公开的实施例，第一BWP处于激活状态，而第二BWP处于非激活状态。
也就是说，根据本公开的实施例，用户设备200可以先在处于激活状态的BWP上检测PDCCH，当在处于激活状态的BWP上没有检测到PDCCH时，用户设备200可以在处于非激活状态的BWP中的一个BWP上检测PDCCH。
根据本公开的实施例，如图2所示，用户设备200可以包括BWP管理单元250，用于管理和存储为用户设备200配置的多个用于接收下行信息的BWP。例如，BWP管理单元250可以存储每个BWP的激活状态等信息。
根据本公开的实施例，用户设备200可以通过通信单元210从网络侧设备接收被预先配置的多个BWP的信息。例如，用户设备200可以通过高层信令，包括但不限于RRC(Radio Resource Control，无线资源控制)信令从网络侧设备接收多个BWP的信息。进一步，用户设备200还可以将接收的多个BWP的信息存储在BWP管理单元250中。
根据本公开的实施例，用户设备200还可以通过通信单元210从网络侧设备接收关于处于激活状态的BWP的信息，关于处于激活状态的BWP的信息可以包括处于激活状态的BWP的标识信息。例如，用户设备200可以通过高层信令，包括但不限于RRC信令(例如通过RRC信令中的firstActiveDownlinkBwp-Id字段)从网络侧设备接收关于处于激活状态的BWP的信息。进一步，用户设备200还可以将接收的关于处于激活状态的BWP的信息存储在BWP管理单元250中。此外，当用户设备200被预先配置的处于激活状态的BWP改变时，用户设备200还可以从网络侧设备接收关于更新的处于激活状态的BWP的信息，关于更新的处于激活状态的BWP的信息可以包括更新的处于激活状态的BWP的标识信息。 用户设备200可以通过包括但不限于RRC信令的高层信令和包括但不限于DCI(Downlink Control Information，下行控制信息)的低层信令从网络侧设备接收关于更新的处于激活状态的BWP的信息。进一步，用户设备200可以根据更新的处于激活状态的BWP的信息来更新BWP存储单元250中存储的记录。
根据本公开的实施例，第二BWP可以是为用户设备200配置的默认BWP。也就是说，第二BWP可以是为用户设备200配置的处于非激活状态的BWP中的默认BWP。该默认BWP的优先级低于处于激活状态的BWP但是又高于其它的处于非激活状态的BWP。也就是说，网络侧设备很有可能在该默认BWP上传输下行信息。
根据本公开的实施例，用户设备200还可以通过通信单元210从网络侧设备接收关于默认BWP的信息，关于默认BWP的信息可以包括默认BWP的标识信息。例如，用户设备200可以通过高层信令，包括但不限于RRC信令(例如通过RRC信令中的defaultDownlinkBwp-Id字段)从网络侧设备接收关于默认BWP的信息。进一步，用户设备200还可以将接收的关于默认BWP的信息存储在BWP管理单元250中。此外，当用户设备200被预先配置的默认BWP改变时，用户设备200还可以从网络侧设备接收关于更新的默认BWP的信息，关于更新的默认BWP的信息可以包括更新的默认BWP的标识信息。用户设备200可以通过包括但不限于RRC信令的高层信令和包括但不限于DCI的低层信令从网络侧设备接收关于更新的默认BWP的信息。进一步，用户设备200可以根据更新的默认BWP的信息来更新BWP存储单元250中存储的记录。
由此可见，用户设备200可以被配置多个用于接收下行信息的BWP，其中包括一个处于激活状态的BWP以及一个默认BWP。例如，当用户设备200被配置了4个用于接收下行信息的BWP，其中BWP1是处于激活状态的BWP，BWP2是默认BWP的情况下，用户设备200例如可以从网络侧设备收到如表1所示的关于BWP的信息并存储在BWP管理单元250中。
表1
标识信息 时频资源位置 状态
BWP1 位置1 激活
BWP2 位置2 非激活、默认
BWP3 位置3 非激活
BWP4 位置4 非激活
如上所述，用户设备200可以被配置为在每次没有检测到PDCCH时都更换BWP进行检测，从而可以最大程度地避免没有接收到PDCCH的情况。
根据本公开的实施例，如图2所示，用户设备200还可以包括计数单元240，用于设置计数器，计数器用于表示用户设备在处于激活状态的BWP上连续没有检测到PDCCH的次数，即在处于激活状态的BWP上连续没有检测到PDCCH的DRX周期的个数。此外，该计数器的初始值为零，并且每次用户设备在处于激活状态的BWP上检测到PDCCH，则将该计数器清零。
根据本公开的实施例，当第一BWP是用户设备处于激活状态的BWP时，计数单元240设置的计数器可以表示用户设备200在第一BWP上连续地没有检测到PDCCH的次数。根据本公开的实施例，用户设备200可以被配置为只有当计数器的值大于预定阈值时才在第二BWP上检测PDCCH。
根据本公开的实施例，在用户设备200在第一BWP上检测到PDCCH的情况下，用户设备200可以对检测到的PDCCH进行解调，并根据解调后的PDCCH执行上下行信息的传输。此外，在这种情况下，计数单元240可以将计数器的值清零。
根据本公开的实施例，在用户设备200在第一BWP上检测到PDCCH的情况下，可以通过通信单元210向网络侧设备发送反馈信息，反馈信息可以用于表示用户设备200在第一BWP上检测到的PDCCH。这里，反馈信息包括但不限于UCI(Uplink Control Information，上行控制信息)，该UCI可以是对在第一BWP上检测到的PDCCH或者后续的下行数据的反馈信息。也就是说，反馈信息可以隐形地表示用户设备200已经检测到网络侧设备发出的PDCCH。
根据本公开的实施例，在用户设备200没有在第一BWP上检测到PDCCH的情况下，当计数器的值不大于预定阈值时，用户设备200可以进入DRX周期的睡眠时间。
根据本公开的实施例，在用户设备200没有在第一BWP上检测到PDCCH的情况下，当计数器的值大于预定阈值时，用户设备200可以被 配置为在第二BWP上检测PDCCH。进一步，在这种情况下，计数单元240可以将计数器的值加1。
图4是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图。如图4所示，在第一个DRX周期的检测时间，用户设备200在BWP1上检测PDCCH，假定用户设备200没有检测到PDCCH，则计数单元240将计数器的值加1，并且判断加1后的计数器的值是否超过预定阈值，假定计数器的值没有超过预定阈值，则用户设备200进入第一个DRX周期的睡眠时间。接下来，在第二个DRX周期的检测时间，用户设备200在BWP1上检测PDCCH，假定用户设备200没有检测到PDCCH，则计数单元240将计数器的值加1，并且判断加1后的计数器的值是否超过预定阈值，假定计数器的值没有超过预定阈值，则用户设备200进入第二个DRX周期的睡眠时间。接下来，在第三个DRX周期的检测时间，用户设备200在BWP1上检测PDCCH，假定用户设备200没有检测到PDCCH，则计数单元240将计数器的值加1，并且判断加1后的计数器的值是否超过预定阈值，假定计数器的值超过预定阈值，则用户设备200在BWP2上检测PDCCH。
由此可见，根据本公开的实施例，用户设备200并不是每次没有检测到PDCCH都更换BWP进行检测，而是设置计数器，只有当在第一BWP上连续没有检测到PDCCH的次数，即DRX周期的个数超过预定阈值时才在第二BWP上检测PDCCH，由此可以避免用户设备200在不同的BWP之间频繁地切换，从而减少信令开销。
根据本公开的实施例，如图2所示，用户设备200还可以包括信道检测单元230，用于执行信道检测过程。这里的信道检测过程包括但不限于LBT(Listen Before Talk，先听后说)过程。
根据本公开的实施例，信道检测单元230可以在第一BWP上执行信道检测过程从而确定第一BWP是否被占用。例如，信道检测单元230可以在第一BWP上执行类型2(Type 2)的LBT过程，该LBT过程可以包括25μs的信道检测过程。信道检测单元230可以通过信道检测过程确定第一BWP的信道状态，包括被占用状态和空闲状态，其中被占用状态表示第一BWP被其它设备占用不能用于收发信息，空闲状态表示第一BWP没有被其它设备占用可以用于收发信息。
根据本公开的实施例，当用户设备200没有在第一BWP上检测到PDCCH，并且信道检测单元230检测到第一BWP被占用时，用户设备 200可以通过通信单元210在第二BWP上检测PDCCH。也就是说，用户设备200并不是每次在第一BWP上检测不到PDCCH都去第二BWP上检测，而是在确定第一BWP被占用的情况下才去第二BWP上检测。
根据本公开的实施例，信道检测单元230可以在DRX周期的检测时间之后执行信道检测过程。
也就是说，在DRX周期的检测时间内，通信单元210没有在第一BWP上接收到PDCCH，则信道检测单元230在检测时间之后执行信道检测过程以确定第一BWP的信道状态。当第一BWP的信道状态表示第一BWP被占用时，在第二BWP上检测PDCCH。
进一步，根据本公开的实施例，当在第一BWP上没有检测到PDCCH并且信道检测单元230的信道检测结果表示第一BWP没有被占用时，用户设备200可以进入DRX周期的睡眠时间。
图5是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图。图5中的黑色区域表示执行LBT过程的时间。如图5所示，在第一个DRX周期的检测时间，用户设备200在BWP1上检测PDCCH，假定用户设备200没有检测到PDCCH，则用户设备200执行LBT过程，假定LBT过程的结果表示BWP1没有被占用，则用户设备200进入第一个DRX周期的睡眠时间。接下来，在第二个DRX周期的检测时间，用户设备200在BWP1上检测PDCCH，假定用户设备200没有检测到PDCCH，则用户设备200执行LBT过程，假定LBT过程的结果表示BWP1没有被占用，则用户设备200进入第二个DRX周期的睡眠时间。接下来，在第三个DRX周期的检测时间，用户设备200在BWP1上检测PDCCH，假定用户设备200没有检测到PDCCH，则用户设备200执行LBT过程，假定LBT过程的结果表示BWP1被占用，则用户设备200在BWP2上检测PDCCH。值得注意的是，图5仅仅以LBT过程为例示出了信道检测过程的进行，当然信道检测过程还可以是其它能够检测信道状态的过程。
由此可见，根据本公开的实施例，用户设备200并不是每次没有检测到PDCCH都更换BWP进行检测，而是可以执行信道检测过程，只有当在第一BWP上没有检测到PDCCH并且第一BWP被占用时才在第二BWP上检测PDCCH，由此可以避免用户设备200在不同的BWP之间频繁地切换，从而减少信令开销。
如上所述，可以通过设置计数单元240和信道检测单元230中的一 者来避免用户设备在不同的BWP之间频繁地切换。进一步，根据本公开的实施例，用户设备200还可以同时具备计数单元240和信道检测单元230，从而最大程度地避免用户设备在不同的BWP之间频繁地切换。
根据本公开的实施例，信道检测单元230可以被配置为只有当计数器的值大于预定阈值时再执行信道检测过程。
根据本公开的实施例，在用户设备200没有在第一BWP上检测到PDCCH的情况下，当计数器的值不大于预定阈值时，用户设备200可以进入DRX周期的睡眠时间。
根据本公开的实施例，在用户设备200没有在第一BWP上检测到PDCCH的情况下，当计数器的值大于预定阈值并且第一BWP空闲时，用户设备200可以进入DRX周期的睡眠时间。
根据本公开的实施例，在用户设备200没有在第一BWP上检测到PDCCH的情况下，当计数器的值大于预定阈值并且第一BWP被占用时，用户设备200可以被配置为在第二BWP上检测PDCCH。进一步，在这种情况下，计数单元240可以将计数器的值加1。
图6是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图。图6中的黑色区域表示执行LBT过程的时间。如图6所示，在第一个DRX周期的检测时间，用户设备200在BWP1上检测PDCCH，假定用户设备200没有检测到PDCCH，则计数单元240将计数器的值加1，并且判断加1后的计数器的值是否超过预定阈值，假定计数器的值没有超过预定阈值，则用户设备200进入第一个DRX周期的睡眠时间。接下来，在第二个DRX周期的检测时间，用户设备200在BWP1上检测PDCCH，假定用户设备200没有检测到PDCCH，则计数单元240将计数器的值加1，并且判断加1后的计数器的值是否超过预定阈值，假定计数器的值没有超过预定阈值，则用户设备200进入第二个DRX周期的睡眠时间。接下来，在第三个DRX周期的检测时间，用户设备200在BWP1上检测PDCCH，假定用户设备200没有检测到PDCCH，则计数单元240将计数器的值加1，并且判断加1后的计数器的值是否超过预定阈值，假定计数器的值超过预定阈值，则用户设备200执行LBT过程，假定LBT过程的结果表示BWP1被占用，则用户设备200在BWP2上检测PDCCH。值得注意的是，图6仅仅以LBT过程为例示出了信道检测过程的进行，当然信道检测过程还可以是其它能够检测信道状态的过程。
如上所述，根据本公开的实施例，在以下任意一种情况下用户设备200可以被配置为在第二BWP上检测PDCCH：在第一BWP上没有检测到PDCCH；在第一BWP上没有检测到PDCCH并且计数器的值大于预定阈值；在第一BWP上没有检测到PDCCH并且第一BWP被占用；在第一BWP上没有检测到PDCCH、计数器的值大于预定阈值并且第一BWP被占用。
根据本公开的实施例，在用户设备200在第二BWP上检测PDCCH的情况下，可以分为两种情况，一种是用户设备200在第二BWP上检测到了PDCCH，另一种是用户设备200没有在第二BWP上检测到PDCCH。下面将根据这两种情况分别进行说明。
根据本公开的实施例，在用户设备200在第二BWP上检测到PDCCH的情况下，用户设备200可以对检测到的PDCCH进行解调，并根据解调后的PDCCH进行上下行信息的传输。
根据本公开的实施例，在用户设备200在第二BWP上检测到PDCCH的情况下，可以通过通信单元210向网络侧设备发送反馈信息，反馈信息可以用于表示用户设备200在第二BWP上检测到的PDCCH。这里，反馈信息包括但不限于UCI，该UCI可以是对在第二BWP上检测到的PDCCH或者后续的下行数据的反馈信息。也就是说，反馈信息可以隐性地表示用户设备200已经检测到网络侧设备发出的PDCCH。
根据本公开的实施例，在用户设备200在第二BWP上检测到PDCCH的情况下，BWP管理单元250可以将第二BWP设置为激活状态，并且将第一BWP设置为非激活状态。也就是说，BWP管理单元250可以更新其中存储的关于各个BWP的状态的记录。
根据本公开的实施例，在用户设备200在第二BWP上检测到PDCCH的情况下，用户设备200也可以从网络侧设备接收关于将第二BWP设置为激活状态，并且将第一BWP设置为非激活状态的信息。用户设备200可以通过高层信令或者低层信令从网络侧设备接收这样的信息，并根据该信息更新其中存储的关于各个BWP的状态的记录。例如，用户设备200可以通过RRC信令从网络侧设备接收这样的信息，也可以通过在第二BWP上检测到的PDCCH承载的DCI来接收这样的信息。此外，用户设备200从网络侧设备接收的信息的形式有很多种，例如可以从网络侧设备接收新的处于激活状态的BWP的标识信息，或者可以从网络侧设备接收用1比特表示的将默认BWP改变为处于激活状态的BWP的信息。
根据本公开的实施例，在用户设备200在第二BWP上检测到PDCCH的情况下，用户设备200还可以从网络侧设备接收关于更新的默认BWP的信息，并根据接收的信息来更新BWP管理单元250中存储的默认BWP的信息。例如，用户设备200可以通过RRC信令从网络侧设备接收这样的信息，也可以通过在第二BWP上检测到的PDCCH承载的DCI来接收这样的信息。此外，用户设备200从网络侧设备接收的信息可以包括新的默认BWP的标识信息。
进一步，根据本公开的实施例，新的默认BWP可以是除了第二BWP以外的所有BWP，当然也包括第一BWP。也就是说，用户设备200接收的新的默认BWP可以是原来处于激活状态的BWP，也可以是原来处于非激活状态的其它BWP。
根据本公开的实施例，在用户设备200在第二BWP上检测到PDCCH的情况下，由于第二BWP变成了新的处于激活状态的BWP，而用户设备200默认先在处于激活状态的BWP上检测PDCCH，因此在DRX周期的下一个DRX周期的检测时间用户设备200可以在第二BWP上检测PDCCH。
图7(a)是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图。如图7(a)所示，假定用户设备在BWP1上没有检测到PDCCH，则用户设备200在BWP2上检测PDCCH。假定用户设备200在BWP2的第一个DRX周期检测到了PDCCH，则在BWP2的第二个DRX周期，用户设备200仍然在BWP2上检测PDCCH。这里，图7(a)仅仅示出了用户设备在第二BWP上检测PDCCH的触发条件是用户设备没有在第一BWP上检测到PDCCH，当然，触发条件还可以是前文中所述的任意一种其它条件。
根据本公开的实施例，在用户设备200在第二BWP上没有检测到PDCCH的情况下，处于激活状态的BWP仍然可以是第一BWP，而默认BWP仍然可以是第二BWP。在这种情况下，由于用户设备200默认先在处于激活状态的BWP上检测PDCCH，因此在DRX周期的下一个DRX周期的检测时间，用户设备200可以被配置为在第一BWP上检测PDCCH。
图7(b)是示出根据本公开的实施例的切换BWP对PDCCH进行检测的过程示意图。如图7(b)所示，假定用户设备在BWP1上没有检测到PDCCH，则用户设备200在BWP2上检测PDCCH。假定用户设备200在BWP2的第一个DRX周期没有检测到PDCCH，则在下一个DRX周期， 用户设备200仍然在BWP1上检测PDCCH。这里，图7(b)仅仅示出了用户设备在第二BWP上检测PDCCH的触发条件是用户设备没有在第一BWP上检测到PDCCH，当然，触发条件还可以是前文中所述的任意一种其它条件。
根据本公开的实施例，在用户设备200没有在第二BWP上检测到PDCCH的情况下，用户设备200可以进入DRX周期的睡眠时间。
由此可见，根据本公开的实施例，用户设备200可以在处于激活状态的BWP上检测PDCCH，当在处于激活状态的BWP上没有检测到PDCCH时可以在默认BWP上检测PDCCH，由此避免了用户设备200无法对PDCCH进行检测的情况。进一步，用户设备200可以通过设置计数器和/或信道检测过程避免对BWP的频繁切换。此外，用户设备200还可以根据在默认BWP上是否检测到PDCCH来决定是否需要切换处于激活状态的BWP。综上，根据本公开的实施例，可以对工作在非授权频段用户设备的DRX机制进行改进。
图8是示出根据本公开的实施例的无线通信系统中的用作网络侧设备的电子设备800的结构的框图。
如图8所示，电子设备800可以包括通信单元810和处理单元820。
这里，电子设备800的各个单元都可以包括在处理电路中。需要说明的是，电子设备800既可以包括一个处理电路，也可以包括多个处理电路。进一步，处理电路可以包括各种分立的功能单元以执行各种不同的功能和/或操作。需要说明的是，这些功能单元可以是物理实体或逻辑实体，并且不同称谓的单元可能由同一个物理实体实现。
根据本公开的实施例，通信单元810可以收发信息，例如可以向用户设备发送各种PDCCH以及下行数据信息，并且可以从用户设备接收上行数据信息。这里的用户设备可以是电子设备800覆盖范围内的用户设备。
根据本公开的实施例，处理单元820可以确定用于发送PDCCH的时频资源，例如确定在用户设备被预先配置的多个BWP中的一个或多个BWP上发送PDCCH。
根据本公开的实施例，在非授权频段的第一BWP被占用并且非授权频段的第二BWP空闲的情况下，处理单元820可以确定用于发送PDCCH的资源是第二BWP，从而电子设备800的通信单元810可以利用第二BWP 向用户设备发送PDCCH。
由此可见，根据本公开的实施例的电子设备800，在第一BWP被占用的情况下可以利用第二BWP向用户设备发送PDCCH，从而避免了第一BWP被占用而无法发送PDCCH的情况。
根据本公开的实施例，如图8所示，电子设备800还可以包括BWP配置单元840，用于为用户设备配置用于接收下行信息的BWP。这里，电子设备800的BWP配置单元840可以为用户设备预先配置多个BWP用于接收下行信息，其中一个BWP处于激活状态，其它的BWP处于非激活状态。根据本公开的实施例，第一BWP和第二BWP都可以是为用户设备预先配置的用于接收下行信息的BWP。
根据本公开的实施例，电子设备800可以通过通信单元210向用户设备发送预先配置的多个BWP的信息。例如，电子设备800可以通过高层信令，包括但不限于RRC信令向用户设备发送多个BWP的信息。
根据本公开的实施例，第一BWP处于激活状态，而第二BWP处于非激活状态。
根据本公开的实施例，电子设备800还可以通过通信单元810向用户设备发送关于处于激活状态的BWP的信息，关于处于激活状态的BWP的信息可以包括处于激活状态的BWP的标识信息。例如，电子设备800可以通过高层信令，包括但不限于RRC信令(例如通过RRC信令中的firstActiveDownlinkBwp-Id字段)向用户设备发送关于处于激活状态的BWP的信息。此外，当电子设备800确定用户设备的处于激活状态的BWP改变时，还可以向用户设备发送关于更新的处于激活状态的BWP的信息，关于更新的处于激活状态的BWP的信息可以包括更新的处于激活状态的BWP的标识信息。电子设备800可以通过包括但不限于RRC信令的高层信令和包括但不限于DCI的低层信令向用户设备发送关于更新的处于激活状态的BWP的信息。
根据本公开的实施例，第二BWP可以是为用户设备配置的默认BWP。也就是说，第二BWP可以是为用户设备配置的处于非激活状态的BWP中的默认BWP。
根据本公开的实施例，电子设备800还可以通过通信单元810向用户设备发送关于默认BWP的信息，关于默认BWP的信息可以包括默认BWP的标识信息。例如，电子设备800可以通过高层信令，包括但不限 于RRC信令(例如通过RRC信令中的defaultDownlinkBwp-Id字段)向用户设备发送关于默认BWP的信息。此外，当电子设备800确定用户设备的预先配置的默认BWP改变时，还可以向用户设备发送关于更新的默认BWP的信息，关于更新的默认BWP的信息可以包括更新的默认BWP的标识信息。电子设备800可以通过包括但不限于RRC信令的高层信令和包括但不限于DCI的低层信令向用户设备发送关于更新的默认BWP的信息。
如上所述，根据本公开的实施例，电子设备800可以优先在处于激活状态的BWP上发送PDCCH，当用户设备的处于激活状态的BWP被占用时，电子设备800可以在默认BWP上发送PDCCH。
根据本公开的实施例，如图8所示，电子设备800可以包括信道检测单元830，用于执行信道检测过程。这里的信道检测过程包括但不限于LBT(Listen Before Talk，先听后说)过程。
根据本公开的实施例，电子设备800可以在第一BWP上执行信道检测过程从而确定第一BWP被占用，也可以在第二BWP上执行信道检测过程从而通过信道检测过程确定第二BWP空闲。例如，信道检测单元830可以在第一BWP和第二BWP上执行类型2(Type 2)的LBT过程，该LBT过程可以包括25μs的信道检测过程。信道检测单元830可以通过信道检测过程确定第一BWP和第二BWP的信道状态，包括被占用状态和空闲状态，其中被占用状态表示该BWP被其它设备占用不能用于收发信息，空闲状态表示该BWP没有被其它设备占用可以用于收发信息。
根据本公开的实施例，信道检测单元830可以在发送PDCCH之前在第一BWP上执行信道检测过程。当信道检测单元830确定第一BWP空闲时，利用第一BWP发送PDCCH。当信道检测单元830确定第一BWP被占用时，在第二BWP上执行信道检测过程。进一步，当信道检测单元830确定第二BWP空闲时，利用第二BWP发送PDCCH。
图9是示出根据本公开的实施例的在激活状态的BWP上发送PDCCH的信令流程图。如图9所示，在S901中，UE(User Equipment，用户设备)向基站发送RRC配置请求。接下来，在S902中，基站向UE发送RRC配置。接下来，在S903中，UE向基站发送RRC配置完成消息。接下来，在S904中，基站在BWP1上进行信道检测过程以确定BWP1空闲。接下来，在S906中，基站在BWP1上发送PDCCH。同时，在S905中，UE根据DRX周期检测PDCCH，并在BWP1上检测到PDCCH。
根据本公开的实施例，在利用第二BWP向用户设备发送PDCCH的情况下，BWP配置单元840还可以将第二BWP设置为激活状态，并且将第一BWP设置为非激活状态。
根据本公开的实施例，在利用第二BWP向用户设备发送PDCCH的情况下，当电子设备800从用户设备接收到反馈信息时，BWP配置单元840还可以将第二BWP设置为激活状态，并且将第一BWP设置为非激活状态。这里的反馈信息可以表示用户设备在第二BWP上检测到的PDCCH。反馈信息包括但不限于UCI，该UCI可以是对电子设备800发送的PDCCH或者后续发送的下行数据的反馈信息。也就是说，反馈信息可以隐形地表示用户设备已经检测到电子设备800发出的PDCCH。
根据本公开的实施例，BWP配置单元840可以在利用第二BWP向用户设备发送PDCCH的情况下将第二BWP设置为激活状态。进一步，由于存在电子设备800利用第二BWP发送了PDCCH而用户设备没有检测到的情况(例如，在用户设备在第二BWP上的DRX周期的检测时间之后，电子设备800利用第二BWP发送了PDCCH)，因此BWP配置单元840还可以被配置为在利用第二BWP向用户设备发送PDCCH并且从用户设备接收到反馈信息的情况下，将第二BWP设置为激活状态。
根据本公开的实施例，电子设备800可以向用户设备发送关于将第二BWP设置为激活状态，并且将第一BWP设置为非激活状态的信息。进一步，电子设备800可以通过高层信令或者低层信令向用户设备发送这样的信息。例如，电子设备800可以通过RRC信令向用户设备发送这样的信息，也可以通过在第二BWP上发送的PDCCH承载的DCI来携带这样的信息。此外，电子设备800发送的信息的形式有很多种，例如可以包括新的处于激活状态的BWP的标识信息，或者可以包括用1比特表示的将默认BWP改变为处于激活状态的BWP的信息。
根据本公开的实施例，在利用第二BWP向用户设备发送PDCCH的情况下，电子设备800还可以向用户设备发送关于更新的默认BWP的信息。例如，电子设备800可以通过RRC信令向用户设备发送这样的信息，也可以通过在第二BWP上发送的PDCCH承载的DCI来携带这样的信息。此外，电子设备800发送的信息可以包括新的默认BWP的标识信息。
进一步，根据本公开的实施例，新的默认BWP可以是除了第二BWP以外的所有BWP，当然也包括第一BWP。也就是说，新的默认BWP可以是原来处于激活状态的BWP，也可以是原来处于非激活状态的其它 BWP。
根据本公开的实施例，与将第二BWP设置为激活状态，并且将第一BWP设置为非激活状态的实施例类似，在利用第二BWP向用户设备发送PDCCH的情况下，当电子设备800从用户设备接收到反馈信息时，电子设备800还可以向用户设备发送关于更新的默认BWP的信息。
图10是示出根据本公开的实施例的在默认的BWP上发送PDCCH的信令流程图。如图10所示，在S1001中，UE向基站发送RRC配置请求。接下来，在S1002中，基站向UE发送RRC配置。接下来，在S1003中，UE向基站发送RRC配置完成消息。接下来，在S1004中，基站在BWP1上进行信道检测过程以确定BWP1被占用。接下来，在S1005中，基站在BWP2上进行信道检测过程以确定BWP2空闲。接下来，在S1007中，基站在BWP2上发送PDCCH。同时，在S1006中，UE根据DRX周期检测PDCCH，在BWP1上没有检测到PDCCH并且确定BWP1被占用，从而在BWP2上检测到PDCCH。接下来，在S1008中，UE根据在BWP2上检测的PDCCH承载的DCI来确定新的处于激活状态的BWP和新的默认BWP。这里，图10仅仅示出了通过PDCCH来携带新的处于激活状态的BWP和新的默认BWP的情形，当然电子设备800还可以通过高层信令来携带上述信息中的一种或多种。
根据本公开的实施例，在利用第二BWP向用户设备发送PDCCH的情况下，BWP配置单元840可以从为用户设备配置的用于接收下行信息的多个BWP中选取新的默认BWP。具体地，BWP配置单元840可以从为用户设备配置的用于接收下行信息的多个BWP中除新的处于激活状态的BWP以外的其它BWP中选取新的默认BWP。例如，在利用第二BWP向用户设备发送PDCCH的情况下，第二BWP被设置为新的处于激活状态的BWP，那么BWP配置单元840可以从为用户设备配置的所有BWP中除了第二BWP以外的所有BWP中选取新的默认BWP。
根据本公开的实施例，BWP配置单元840可以根据电子设备800检测的多个BWP中的每个BWP的信道空闲的概率来选取默认BWP。例如，信道检测单元830可以在多个BWP的每个BWP上执行信道检测过程，并因此可以确定每个BWP的信道空闲概率。进一步，BWP配置单元840可以从多个BWP中选取信道空闲的概率最高的BWP作为默认BWP。
如上所述，电子设备800在确定第二BWP空闲的情况下，可以利用第二BWP来发送PDCCH，并因此改变用户设备的处于激活状态的BWP 和默认BWP。
根据本公开的实施例，在第一BWP被占用并且第二BWP被占用的情况下，电子设备800可以被配置为暂时不向用户设备发送PDCCH。
根据本公开的实施例，当信道检测单元830确定第一BWP和第二BWP都被占用时，电子设备800可以在一段预定时间内不向用户设备发送PDCCH。例如，电子设备800可以在确定第二BWP被占用后设置定时器，当定时器期满后再次检测第一BWP的信道状态。进一步，在第一BWP空闲的情况下，电子设备800可以利用第一BWP向所述用户设备发送PDCCH。在第一BWP被占用的情况下，电子设备800可以重新在第二BWP上执行信道检测过程。在第二BWP空闲的情况下，电子设备800可以利用第二BWP向用户设备发送PDCCH。当然，上述实施方式并不是限制性的，电子设备800也可以采用其它方式，例如对用户设备重新调度，或者利用除了第一BWP和第二BWP以外的BWP发送PDCCH并通知用户设备承载PDCCH的BWP等。
图11是示出根据本公开的实施例的暂时不发送PDCCH的信令流程图。如图11所示，在S1101中，UE向基站发送RRC配置请求。接下来，在S1102中，基站向UE发送RRC配置。接下来，在S1103中，UE向基站发送RRC配置完成消息。接下来，在S1104中，基站在BWP1上进行信道检测过程以确定BWP1被占用。接下来，在S1105中，基站在BWP2上进行信道检测过程以确定BWP2也被占用，因此基站暂时不发送PDCCH。同时，在S1106中，UE根据DRX周期检测PDCCH，在BWP1和BWP2上都没有检测到PDCCH，从而进入睡眠时间。接下来，在步骤S1107中，经过预定时间之后，基站在BWP1上进行信道检测过程以确定BWP1空闲。接下来，在步骤S1108中，基站在BWP1上发送PDCCH。图11仅仅示出了在预定时间之后BWP1空闲的情况，当然也存在在预定时间之后BWP1被占用而BWP2空闲的情况，此时基站可以利用BWP2向UE发送PDCCH。
如上所述，根据本公开的实施例，电子设备800可以优先在处于激活状态的BWP上发送PDCCH，当用户设备的处于激活状态的BWP被占用时，电子设备800可以在默认BWP上发送PDCCH。此外，电子设备800可以根据信道空闲的概率来选取默认BWP，从而使得默认BWP空闲的概率较高，从而提高PDCCH被成功传输的可能性。
根据本公开的实施例的电子设备200可以作为用户设备，电子设备 800可以作为网络侧设备，即电子设备800可以为用户设备200提供服务，因此在前文中描述的关于用户设备200的全部实施例都适用于此。
接下来将详细描述根据本公开实施例的由无线通信系统中的用户设备200和由无线通信系统中的作为网络侧设备的电子设备800执行的无线通信方法。
图12是示出根据本公开的实施例的由无线通信系统中的用户设备200执行的无线通信方法的流程图。
如图12所示，在步骤S1210中，在非连续接收DRX周期的检测时间在非授权频段的第一带宽部分上检测物理下行控制信道PDCCH。
接下来，在步骤S1220中，当在第一带宽部分上没有检测到PDCCH时，在非授权频段的第二带宽部分上检测PDCCH。
优选地，方法还包括：设置计数器，计数器表示用户设备在第一带宽部分上连续地没有检测到PDCCH的次数；以及当计数器大于预定阈值时，在第二带宽部分上检测PDCCH。
优选地，第一带宽部分和第二带宽部分是为用户设备配置的用于接收下行信息的带宽部分，并且第一带宽部分处于激活状态，第二带宽部分处于非激活状态。
优选地，方法还包括：当在第二带宽部分上检测到PDCCH时，将第二带宽部分设置为激活状态，并且将第一带宽部分设置为非激活状态。
优选地，方法还包括：当在第二带宽部分上检测到PDCCH时，发送反馈信息。
优选地，方法还包括：当在第二带宽部分上检测到PDCCH时，在DRX周期的下一个DRX周期在第二带宽部分上检测PDCCH。
优选地，方法还包括：当在第二带宽部分上没有检测到PDCCH时，在DRX周期的下一个DRX周期在第一带宽部分上检测PDCCH。
优选地，方法还包括：当在第二带宽部分上没有检测到PDCCH时，进入DRX周期的睡眠时间。
优选地，第二带宽部分是为用户设备配置的默认带宽部分，并且方法还包括：从网络侧设备接收关于默认带宽部分的信息。
优选地，方法还包括：当在第二带宽部分上检测到PDCCH时，从网 络侧设备接收关于更新的默认带宽部分的信息。
优选地，方法还包括：当在第一带宽部分上没有检测到PDCCH时，通过信道检测过程确定第一带宽部分被占用；以及当第一带宽部分被占用时，在第二带宽部分上检测PDCCH。
优选地，方法还包括：在DRX周期的检测时间之后执行信道检测过程。
优选地，方法还包括：当在第一带宽部分上没有检测到PDCCH并且第一带宽部分没有被占用时，进入DRX周期的睡眠时间。
根据本公开的实施例，执行上述方法的主体可以是根据本公开的实施例的用户设备200，因此前文中关于用户设备200的全部实施例均适用于此。
接下来将详细描述根据本公开实施例的由无线通信系统中的作为网络侧设备的电子设备800执行的无线通信方法。
图13是示出根据本公开的实施例的由无线通信系统中的作为网络侧设备的电子设备800执行的无线通信方法的流程图。
如图13所示，在步骤S1310中，在非授权频段的第一带宽部分被占用并且非授权频段的第二带宽部分空闲的情况下，利用第二带宽部分向用户设备发送PDCCH。
优选地，方法还包括：通过信道检测过程确定第一带宽部分被占用；以及通过信道检测过程确定第二带宽部分空闲。
优选地，第一带宽部分和第二带宽部分是为用户设备配置的用于接收下行信息的带宽部分，并且第一带宽部分处于激活状态，第二带宽部分处于非激活状态。
优选地，方法还包括：在利用第二带宽部分向用户设备发送PDCCH的情况下，将第二带宽部分设置为激活状态，并且将第一带宽部分设置为非激活状态。
优选地，方法还包括：在利用第二带宽部分向用户设备发送PDCCH并且从用户设备接收到反馈信息的情况下，将第二带宽部分设置为激活状态，并且将第一带宽部分设置为非激活状态。
优选地，第二带宽部分是为用户设备配置的默认带宽部分，并且方法还包括：向用户设备发送关于默认带宽部分的信息。
优选地，方法还包括：在利用第二带宽部分向用户设备发送PDCCH的情况下，向用户设备发送关于更新的默认带宽部分的信息。
优选地，方法还包括：在利用第二带宽部分向用户设备发送PDCCH并且从用户设备接收到反馈信息的情况下，向用户设备发送关于更新的默认带宽部分的信息。
优选地，方法还包括：从为用户设备配置的用于接收下行信息的多个带宽部分中选取默认带宽部分。
优选地，方法还包括：根据电子设备检测的多个带宽部分中的每个带宽部分的信道空闲的概率来选取默认带宽部分。
优选地，方法还包括：在第一带宽部分被占用并且第二带宽部分被占用的情况下，在预定时间之后重新在第一带宽部分和第二带宽部分上执行信道检测过程；在第一带宽部分空闲的情况下，利用第一带宽部分向用户设备发送PDCCH；以及在第一带宽部分被占用并且第二带宽部分空闲的情况下，利用第二带宽部分向用户设备发送PDCCH。
根据本公开的实施例，执行上述方法的主体可以是根据本公开的实施例的电子设备800，因此前文中关于电子设备800的全部实施例均适用于此。
下面将结合图14(a)-16(b)来描述根据本公开的优选实施例的无线通信方法的流程。
图14(a)是示出根据本公开的实施例的由无线通信系统中的用户设备200执行的无线通信方法的流程图。
如图14(a)所示，在步骤S1401处，开始任意一个DRX周期。
接下来，在步骤S1402处，在DRX周期的检测时间，用户设备200在处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)上检测PDCCH。
接下来，在步骤S1403处，用户设备200判断在DRX周期的检测时间是否在处于激活状态的BWP上检测到了PDCCH。
接下来，在步骤S1403中判断为是的情况下，即用户设备200在DRX周期的检测时间在处于激活状态的BWP上检测到了PDCCH，则继续到步骤S1404。在步骤S1404中，用户设备200对PDCCH进行解码。
接下来，在步骤S1405中，用户设备200根据对PDCCH解码的结 果执行与网络侧设备的上下行传输。在上下行传输之后，回到步骤S1401，即用户设备200继续根据DRX周期在处于激活状态的BWP上检测PDCCH。
在步骤S1403判断为否的情况下，即用户设备200在DRX周期的检测时间没有在处于激活状态的BWP上检测到PDCCH，则继续到步骤S1406。
在步骤S1406中，用户设备200在DRX周期的检测时间在默认BWP(例如前文中所述的第二BWP，BWP2)上检测PDCCH。
接下来，在步骤S1407中，用户设备200判断是否在默认BWP上检测到PDCCH。
在步骤S1407中判断为否的情况下，即用户设备200没有在默认BWP上检测到PDCCH，则继续到步骤S1410，即进入DRX周期的睡眠时间，然后回到步骤S1401，即用户设备200继续根据DRX周期在处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)上检测PDCCH。
在步骤S1407判断为是的情况下，即用户设备200在默认BWP上检测到了PDCCH，则继续到步骤S1408。在步骤S1408中，用户设备200对在默认BWP上检测到的PDCCH进行解码。
接下来，在步骤S1409中，用户设备200可以设置新的处于激活状态的BWP和默认BWP。然后继续到步骤S1405，即用户设备200根据对在默认BWP上检测到的PDCCH解码的结果执行与网络侧设备的上下行传输。
图14(b)是示出根据本公开的实施例的由无线通信系统中的用户设备200执行的无线通信方法的流程图。与图14(a)相比，图14(b)中增加了判断处于激活状态的BWP是否被占用的步骤。
如图14(b)所示，在步骤S1401处，开始任意一个DRX周期。
接下来，在步骤S1402处，在DRX周期的检测时间，用户设备200在处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)上检测PDCCH。
接下来，在步骤S1403处，用户设备200判断在DRX周期的检测时间是否在处于激活状态的BWP上检测到了PDCCH。
接下来，在步骤S1403中判断为是的情况下，即用户设备200在DRX 周期的检测时间在处于激活状态的BWP上检测到了PDCCH，则继续到步骤S1404。在步骤S1404中，用户设备200对PDCCH进行解码。
接下来，在步骤S1405中，用户设备200根据对PDCCH解码的结果执行与网络侧设备的上下行传输。在上下行传输之后，回到步骤S1401，即用户设备200继续根据DRX周期在处于激活状态的BWP上检测PDCCH。
在步骤S1403判断为否的情况下，即用户设备200在DRX周期的检测时间没有在处于激活状态的BWP上检测到PDCCH，则继续到步骤S1406。
在步骤S1406中，用户设备200判断处于激活状态的BWP是否被占用。
接下来，在步骤S1406判断为否的情况下，即处于激活状态的BWP没有被占用，则继续到步骤S1411。
在步骤S1411中，用户设备200进入DRX周期的睡眠时间，并回到步骤S1401，即用户设备200继续根据DRX周期在处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)上检测PDCCH。
在步骤S1406判断为是的情况下，即处于激活状态的BWP被占用，则继续到步骤S1407。在步骤S1407中，用户设备200在DRX周期的检测时间在默认BWP(例如前文中所述的第二BWP，BWP2)上检测PDCCH。
接下来，在步骤S1408中，用户设备200判断是否在默认BWP上检测到PDCCH。
在步骤S1408中判断为否的情况下，即用户设备200没有在默认BWP上检测到PDCCH，则继续到步骤S1411，即进入DRX周期的睡眠时间，然后回到步骤S1401，即用户设备200继续根据DRX周期在处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)上检测PDCCH。
在步骤S1408判断为是的情况下，即用户设备200在默认BWP上检测到了PDCCH，则继续到步骤S1409。在步骤S1409中，用户设备200对在默认BWP上检测到的PDCCH进行解码。
接下来，在步骤S1410中，用户设备200可以设置新的处于激活状态的BWP和默认BWP。然后继续到步骤S1405，即用户设备200根据对在默认BWP上检测到的PDCCH解码的结果执行与网络侧设备的上下行 传输。
图14(a)和图14(b)以示例性的方式描述了根据本公开的实施例的由用户设备200执行的方法流程图。在不背离本公开的精神和范围的情况下，本领域技术人员可以对图14(a)和图14(b)作出修改。
根据本公开的实施例，执行上述方法的主体可以是根据本公开的实施例的用户设备200，因此前文中关于用户设备200的全部实施例均适用于此。
图15是示出根据本公开的实施例的由无线通信系统中的网络侧设备执行的无线通信方法的流程图。
如图15所示，在步骤S1501中，作为网络侧设备的电子设备800判断是否需要针对某个用户设备传输PDCCH。电子设备800可以在步骤S1501中持续判断是否需要传输PDCCH直到确定需要传输PDCCH为止，然后继续到步骤S1502。
在步骤S1502中，电子设备800检测该用户设备的处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)的信道空闲状态。
在步骤S1503中，电子设备800判断用户设备的处于激活状态的BWP是否空闲。
在步骤S1503中判断为是的情况下，即用户设备的处于激活状态的BWP空闲，则继续到步骤S1504。
在步骤S1504中，电子设备800在用户设备的处于激活状态的BWP上发送PDCCH。
接下来，在步骤S1505中，电子设备800可以根据发送的PDCCH执行与用户设备之间的上下行传输。然后返回步骤1501，即电子设备800继续判断是否有需要发送至该用户设备的PDCCH。
在步骤S1503中判断为否的情况下，即用户设备的处于激活状态的BWP被占用，则继续到步骤S1506。
在步骤S1506中，电子设备800检测用户设备的默认BWP的信道空闲状态。
接下来，在步骤S1507中，电子设备800确定用户设备的默认BWP(例如前文中所述的第二BWP，BWP2)的信道是否空闲。
在步骤S1507中判断为是的情况下，即用户设备的默认BWP的信道空闲，则继续到步骤S1508，即电子设备800在用户设备的默认BWP上发送PDCCH。这里，电子设备800还可以向用户设备发送新的处于激活状态的BWP和/或默认BWP。接下来返回步骤S1505，即电子设备800可以根据发送的PDCCH执行与用户设备之间的上下行传输。然后返回步骤1501。
在步骤S1507判断为否的情况下，即用户设备的默认BWP被占用，则继续到步骤S1509。在步骤S1509中，电子设备800启动定时器，并判断定时器是否期满。当定时器期满时，继续到步骤S1502，即电子设备800继续在处于激活状态的BWP上检测信道空闲状态。
图15以示例性的方式描述了根据本公开的实施例的由电子设备800执行的方法流程图。在不背离本公开的精神和范围的情况下，本领域技术人员可以对图15作出修改。当电子设备800检测默认BWP也被占用的情况下，还可以采用除处于激活状态的BWP和默认BWP以外的其它BWP来发送PDCCH。
根据本公开的实施例，执行上述方法的主体可以是根据本公开的实施例的电子设备800，因此前文中关于电子设备800的全部实施例均适用于此。
图16(a)是示出根据本公开的另一个实施例的由无线通信系统中的用户设备200执行的无线通信方法的流程图。与图14(a)相比，图16(a)增加了与表示用户设备200在处于激活状态的BWP上连续没有检测到PDCCH的次数的计数器的相关的步骤。该计数器的初始值为零，并且每当用户设备100在处于激活状态的BWP上检测到PDCCH，则计数器清零。
如图16(a)所示，在步骤S1601处，开始任意一个DRX周期。
接下来，在步骤S1602处，在DRX周期的检测时间，用户设备200在处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)上检测PDCCH。
接下来，在步骤S1603处，用户设备200判断在DRX周期的检测时间是否在处于激活状态的BWP上检测到了PDCCH。
接下来，在步骤S1603中判断为是的情况下，即用户设备200在DRX周期的检测时间在处于激活状态的BWP上检测到了PDCCH，则继续到 步骤S1604。在步骤S1604中，用户设备200对计数器清零。
接下来，在步骤S1605中，用户设备200对PDCCH进行解码。
接下来，在步骤S1606中，用户设备200根据对PDCCH解码的结果执行与网络侧设备的上下行传输。在上下行传输之后，回到步骤S1601，即用户设备200继续根据DRX周期在处于激活状态的BWP上检测PDCCH。
在步骤S1603判断为否的情况下，即用户设备200在DRX周期的检测时间没有在处于激活状态的BWP上检测到PDCCH，则继续到步骤S1607。
在步骤S1607中，用户设备200将计数器的值加1。
接下来，在步骤S1608中，用户设备200判断计数器的值是否大于预定阈值。
在步骤S1608中判断为否的情况下，即计数器的值没有大于预定阈值，则继续到步骤S1613。在步骤S1613中，用户设备200进入DRX周期的睡眠时间，然后返回步骤S1601，即继续根据DRX周期在处于激活状态的BWP上检测PDCCH。
在步骤S1608中判断为是的情况下，即计数器的值大于预定阈值，则继续到步骤S1609。在步骤S1609中，用户设备200在DRX周期的检测时间在默认BWP(例如前文中所述的第二BWP，BWP2)上检测PDCCH。
接下来，在步骤S1610中，用户设备200判断是否在默认BWP上检测到PDCCH。
在步骤S1610中判断为否的情况下，即用户设备200没有在默认BWP上检测到PDCCH，则继续到步骤S1613，即进入DRX周期的睡眠时间，然后回到步骤S1601，即用户设备200继续根据DRX周期在处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)上检测PDCCH。
在步骤S1610判断为是的情况下，即用户设备200在默认BWP上检测到了PDCCH，则继续到步骤S1611。在步骤S1611中，用户设备200对在默认BWP上检测到的PDCCH进行解码。
接下来，在步骤S1612中，用户设备200可以设置新的处于激活状态的BWP和默认BWP。然后继续到步骤S1606，即用户设备200根据对在默认BWP上检测到的PDCCH解码的结果执行与网络侧设备的上下行 传输。
图16(b)是示出根据本公开的另一个实施例的由无线通信系统中的用户设备200执行的无线通信方法的流程图。与图14(a)相比，图16(b)增加了与表示用户设备200在处于激活状态的BWP上连续没有检测到PDCCH的次数的计数器的相关的步骤以及判断处于激活状态的BWP是否被占用的步骤。该计数器的初始值为零，并且每当用户设备100在处于激活状态的BWP上检测到PDCCH，则计数器清零。
如图16(b)所示，在步骤S1601处，开始任意一个DRX周期。
接下来，在步骤S1602处，在DRX周期的检测时间，用户设备200在处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)上检测PDCCH。
接下来，在步骤S1603处，用户设备200判断在DRX周期的检测时间是否在处于激活状态的BWP上检测到了PDCCH。
接下来，在步骤S1603中判断为是的情况下，即用户设备200在DRX周期的检测时间在处于激活状态的BWP上检测到了PDCCH，则继续到步骤S1604。在步骤S1604中，用户设备200对计数器清零。
接下来，在步骤S1605中，用户设备200对PDCCH进行解码。
接下来，在步骤S1606中，用户设备200根据对PDCCH解码的结果执行与网络侧设备的上下行传输。在上下行传输之后，回到步骤S1601，即用户设备200继续根据DRX周期在处于激活状态的BWP上检测PDCCH。
在步骤S1603判断为否的情况下，即用户设备200在DRX周期的检测时间没有在处于激活状态的BWP上检测到PDCCH，则继续到步骤S1607。
在步骤S1607中，用户设备200将计数器的值加1。
接下来，在步骤S1608中，用户设备200判断计数器的值是否大于预定阈值。
在步骤S1608中判断为否的情况下，即计数器的值没有大于预定阈值，则继续到步骤S1614。在步骤S1614中，用户设备200进入DRX周期的睡眠时间，然后返回步骤S1601，即继续根据DRX周期在处于激活状态的BWP上检测PDCCH。
在步骤S1608中判断为是的情况下，即计数器的值大于预定阈值，则继续到步骤S1609。在步骤S1609中，用户设备200判断处于激活状态的BWP是否被占用。
接下来，在步骤S1609判断为否的情况下，即处于激活状态的BWP没有被占用，则继续到步骤S1614，即用户设备200进入DRX周期的睡眠时间，并回到步骤S1601。
在步骤S1609判断为是的情况下，即处于激活状态的BWP被占用，则继续到步骤S1610。在步骤S1610中，用户设备200在DRX周期的检测时间在默认BWP(例如前文中所述的第二BWP，BWP2)上检测PDCCH。
接下来，在步骤S1611中，用户设备200判断是否在默认BWP上检测到PDCCH。
在步骤S1611中判断为否的情况下，即用户设备200没有在默认BWP上检测到PDCCH，则继续到步骤S1614，即进入DRX周期的睡眠时间，然后回到步骤S1601，即用户设备200继续根据DRX周期在处于激活状态的BWP(例如前文中所述的第一BWP，BWP1)上检测PDCCH。
在步骤S1611判断为是的情况下，即用户设备200在默认BWP上检测到了PDCCH，则继续到步骤S1612。在步骤S1612中，用户设备200对在默认BWP上检测到的PDCCH进行解码。
接下来，在步骤S1613中，用户设备200可以设置新的处于激活状态的BWP和默认BWP。然后继续到步骤S1606，即用户设备200根据对在默认BWP上检测到的PDCCH解码的结果执行与网络侧设备的上下行传输。
图16(a)和图16(b)以示例性的方式描述了根据本公开的实施例的由用户设备200执行的方法流程图。在不背离本公开的精神和范围的情况下，本领域技术人员可以对图16(a)和图16(b)作出修改。
根据本公开的实施例，执行上述方法的主体可以是根据本公开的实施例的用户设备200，因此前文中关于用户设备200的全部实施例均适用于此。
本公开内容的技术能够应用于各种产品。
网络侧设备可以被实现为任何类型的TRP。该TRP可以具备发送和接收功能，例如可以从用户设备和基站设备接收信息，也可以向用户设备 和基站设备发送信息。在典型的示例中，TRP可以为用户设备提供服务，并且受基站设备的控制。进一步，TRP可以具备与如下所述的基站设备类似的结构，也可以仅具备基站设备中与发送和接收信息相关的结构。
网络侧设备也可以被实现为任何类型的基站设备，诸如宏eNB和小eNB，还可以被实现为任何类型的gNB(5G系统中的基站)。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，基站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)。基站可以包括：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)。
用户设备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)。用户设备还可以被实现为执行机器对机器(M2M)通信的终端(也称为机器类型通信(MTC)终端)。此外，用户设备可以为安装在上述用户设备中的每个用户设备上的无线通信模块(诸如包括单个晶片的集成电路模块)。
<关于基站的应用示例>
(第一应用示例)
图17是示出可以应用本公开内容的技术的eNB的示意性配置的第一示例的框图。eNB 1700包括一个或多个天线1710以及基站设备1720。基站设备1720和每个天线1710可以经由RF线缆彼此连接。
天线1710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1720发送和接收无线信号。如图17所示，eNB 1700可以包括多个天线1710。例如，多个天线1710可以与eNB 1700使用的多个频带兼容。虽然图17示出其中eNB 1700包括多个天线1710的示例，但是eNB 1700也可以包括单个天线1710。
基站设备1720包括控制器1721、存储器1722、网络接口1723以及无线通信接口1725。
控制器1721可以为例如CPU或DSP，并且操作基站设备1720的较高层的各种功能。例如，控制器1721根据由无线通信接口1725处理的信号中的数据来生成数据分组，并经由网络接口1723来传递所生成的分组。 控制器1721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1721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1722包括RAM和ROM，并且存储由控制器1721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1723为用于将基站设备1720连接至核心网1724的通信接口。控制器1721可以经由网络接口1723而与核心网节点或另外的eNB进行通信。在此情况下，eNB 1700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1723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1723为无线通信接口，则与由无线通信接口1725使用的频带相比，网络接口1823可以使用较高频带用于无线通信。
无线通信接口1725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1710来提供到位于eNB 1700的小区中的终端的无线连接。无线通信接口1725通常可以包括例如基带(BB)处理器1726和RF电路1727。BB处理器1726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1721，BB处理器1726可以具有上述逻辑功能的一部分或全部。BB处理器1726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1726的功能改变。该模块可以为插入到基站设备1720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1727可以包括例如混频器、滤波器和放大器，并且经由天线1710来传送和接收无线信号。
如图17所示，无线通信接口1725可以包括多个BB处理器1726。例如，多个BB处理器1726可以与eNB 1700使用的多个频带兼容。如图17所示，无线通信接口1725可以包括多个RF电路1727。例如，多个RF电路1727可以与多个天线元件兼容。虽然图17示出其中无线通信接口1725包括多个BB处理器1726和多个RF电路1727的示例，但是无线通信接口1725也可以包括单个BB处理器1726或单个RF电路1727。
(第二应用示例)
图18是示出可以应用本公开内容的技术的eNB的示意性配置的第二示例的框图。eNB 1830包括一个或多个天线1840、基站设备1850和RRH 1860。RRH 1860和每个天线1840可以经由RF线缆而彼此连接。基站设备1850和RRH 1860可以经由诸如光纤线缆的高速线路而彼此连接。
天线1840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RRH 1860发送和接收无线信号。如图18所示，eNB 1830可以包括多个天线1840。例如，多个天线1840可以与eNB 1830使用的多个频带兼容。虽然图18示出其中eNB 1830包括多个天线1840的示例，但是eNB 1830也可以包括单个天线1840。
基站设备1850包括控制器1851、存储器1852、网络接口1853、无线通信接口1855以及连接接口1857。控制器1851、存储器1852和网络接口1853与参照图17描述的控制器1721、存储器1722和网络接口1723相同。
无线通信接口1855支持任何蜂窝通信方案(诸如LTE和LTE-先进)，并且经由RRH 1860和天线1840来提供到位于与RRH 1860对应的扇区中的终端的无线通信。无线通信接口1855通常可以包括例如BB处理器1856。除了BB处理器1856经由连接接口1857连接到RRH 1860的RF电路1864之外，BB处理器1856与参照图17描述的BB处理器1726相同。如图18所示，无线通信接口1855可以包括多个BB处理器1856。例如，多个BB处理器1856可以与eNB 1830使用的多个频带兼容。虽然图18示出其中无线通信接口1855包括多个BB处理器1856的示例，但是无线通信接口1855也可以包括单个BB处理器1856。
连接接口1857为用于将基站设备1850(无线通信接口1855)连接至RRH 1860的接口。连接接口1857还可以为用于将基站设备1850(无线通信接口1855)连接至RRH 1860的上述高速线路中的通信的通信模块。
RRH 1860包括连接接口1861和无线通信接口1863。
连接接口1861为用于将RRH 1860(无线通信接口1863)连接至基站设备1850的接口。连接接口1861还可以为用于上述高速线路中的通信的通信模块。
无线通信接口1863经由天线1840来传送和接收无线信号。无线通信接口1863通常可以包括例如RF电路1864。RF电路1864可以包括例如混频器、滤波器和放大器，并且经由天线1840来传送和接收无线信号。 如图18所示，无线通信接口1863可以包括多个RF电路1864。例如，多个RF电路1864可以支持多个天线元件。虽然图18示出其中无线通信接口1863包括多个RF电路1864的示例，但是无线通信接口1863也可以包括单个RF电路1864。
在图17和图18所示的eNB 1700和eNB 1830中，通过使用图8所描述的处理单元820、信道检测单元830和BWP配置单元840可以由控制器1721和/或控制器1851实现。功能的至少一部分也可以由控制器1721和控制器1851实现。例如，控制器1721和/或控制器1851可以通过执行相应的存储器中存储的指令而执行确定发送PDCCH的资源、信道检测和配置BWP的功能。
<关于终端设备的应用示例>
(第一应用示例)
图19是示出可以应用本公开内容的技术的智能电话1900的示意性配置的示例的框图。智能电话1900包括处理器1901、存储器1902、存储装置1903、外部连接接口1904、摄像装置1906、传感器1907、麦克风1908、输入装置1909、显示装置1910、扬声器1911、无线通信接口1912、一个或多个天线开关1915、一个或多个天线1916、总线1917、电池1918以及辅助控制器1919。
处理器1901可以为例如CPU或片上系统(SoC)，并且控制智能电话1900的应用层和另外层的功能。存储器1902包括RAM和ROM，并且存储数据和由处理器1901执行的程序。存储装置1903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1904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1900的接口。
摄像装置1906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1907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1908将输入到智能电话1900的声音转换为音频信号。输入装置1909包括例如被配置为检测显示装置1910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1910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1900的输出图像。扬声器1911将从智能电话1900输出的音频信号转换为声音。
无线通信接口1912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1912通常可以包括例如BB处理器1913和RF电路1914。BB处理器1913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1914可以包括例如混频器、滤波器和放大器，并且经由天线2016来传送和接收无线信号。无线通信接口1912可以为其上集成有BB处理器1913和RF电路1914的一个芯片模块。如图19所示，无线通信接口1912可以包括多个BB处理器1913和多个RF电路1914。虽然图19示出其中无线通信接口1912包括多个BB处理器1913和多个RF电路1914的示例，但是无线通信接口1912也可以包括单个BB处理器1913或单个RF电路1914。
此外，除了蜂窝通信方案之外，无线通信接口1912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1912可以包括针对每种无线通信方案的BB处理器1913和RF电路1914。
天线开关1915中的每一个在包括在无线通信接口1912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1916的连接目的地。
天线1916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1912传送和接收无线信号。如图19所示，智能电话1900可以包括多个天线1916。虽然图19示出其中智能电话1900包括多个天线1916的示例，但是智能电话1900也可以包括单个天线1916。
此外，智能电话1900可以包括针对每种无线通信方案的天线1916。在此情况下，天线开关1915可以从智能电话1900的配置中省略。
总线1917将处理器1901、存储器1902、存储装置1903、外部连接接口1904、摄像装置1906、传感器1907、麦克风1908、输入装置1909、显示装置1910、扬声器1911、无线通信接口1912以及辅助控制器1919彼此连接。电池1918经由馈线向图19所示的智能电话1900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1919例如在睡眠模式下操作智能电话1900的最小必需功能。
在图19所示的智能电话1900中，通过使用图2所描述的确定单元 220、信道检测单元230、计数单元240和BWP管理单元250可以由处理器1901或辅助控制器1919实现。功能的至少一部分也可以由处理器1901或辅助控制器1919实现。例如，处理器1901或辅助控制器1919可以通过执行存储器1902或存储装置1903中存储的指令而执行确定检测PDCCH的资源、信道检测、对连续没有检测到PDCCH的次数进行计数以及对BWP进行管理的功能。
(第二应用示例)
图20是示出可以应用本公开内容的技术的汽车导航设备2020的示意性配置的示例的框图。汽车导航设备2020包括处理器2021、存储器2022、全球定位系统(GPS)模块2024、传感器2025、数据接口2026、内容播放器2027、存储介质接口2028、输入装置2029、显示装置2030、扬声器2031、无线通信接口2033、一个或多个天线开关2036、一个或多个天线2037以及电池2038。
处理器2021可以为例如CPU或SoC，并且控制汽车导航设备2020的导航功能和另外的功能。存储器2022包括RAM和ROM，并且存储数据和由处理器2021执行的程序。
GPS模块2024使用从GPS卫星接收的GPS信号来测量汽车导航设备2020的位置(诸如纬度、经度和高度)。传感器2025可以包括一组传感器，诸如陀螺仪传感器、地磁传感器和空气压力传感器。数据接口2026经由未示出的终端而连接到例如车载网络2041，并且获取由车辆生成的数据(诸如车速数据)。
内容播放器2027再现存储在存储介质(诸如CD和DVD)中的内容，该存储介质被插入到存储介质接口2028中。输入装置2029包括例如被配置为检测显示装置2030的屏幕上的触摸的触摸传感器、按钮或开关，并且接收从用户输入的操作或信息。显示装置2030包括诸如LCD或OLED显示器的屏幕，并且显示导航功能的图像或再现的内容。扬声器2031输出导航功能的声音或再现的内容。
无线通信接口2033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2033通常可以包括例如BB处理器2034和RF电路2035。BB处理器2034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2035可以包括例如混频器、滤波器和放大器，并且经由天线2037 来传送和接收无线信号。无线通信接口2033还可以为其上集成有BB处理器2034和RF电路2035的一个芯片模块。如图20所示，无线通信接口2033可以包括多个BB处理器2034和多个RF电路2035。虽然图20示出其中无线通信接口2033包括多个BB处理器2034和多个RF电路2035的示例，但是无线通信接口2033也可以包括单个BB处理器2034或单个RF电路2035。
此外，除了蜂窝通信方案之外，无线通信接口2033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LAN方案。在此情况下，针对每种无线通信方案，无线通信接口2033可以包括BB处理器2034和RF电路2035。
天线开关2036中的每一个在包括在无线通信接口2033中的多个电路(诸如用于不同的无线通信方案的电路)之间切换天线2037的连接目的地。
天线2037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2033传送和接收无线信号。如图20所示，汽车导航设备2020可以包括多个天线2037。虽然图20示出其中汽车导航设备2020包括多个天线2037的示例，但是汽车导航设备2020也可以包括单个天线2037。
此外，汽车导航设备2020可以包括针对每种无线通信方案的天线2037。在此情况下，天线开关2036可以从汽车导航设备2020的配置中省略。
电池2038经由馈线向图20所示的汽车导航设备2020的各个块提供电力，馈线在图中被部分地示为虚线。电池2038累积从车辆提供的电力。
在图20示出的汽车导航设备2020中，通过使用图2所描述的确定单元220、信道检测单元230、计数单元240和BWP管理单元250可以由处理器2021实现。功能的至少一部分也可以由处理器2021实现。例如，处理器2021可以通过执行存储器2022中存储的指令而执行确定检测PDCCH的资源、信道检测、对连续没有检测到PDCCH的次数进行计数以及对BWP进行管理的功能。
本公开内容的技术也可以被实现为包括汽车导航设备2020、车载网络2041以及车辆模块2042中的一个或多个块的车载系统(或车辆)2040。车辆模块2042生成车辆数据(诸如车速、发动机速度和故障信息)，并且 将所生成的数据输出至车载网络2041。
以上参照附图描述了本公开的优选实施例，但是本公开当然不限于以上示例。本领域技术人员可在所附权利要求的范围内得到各种变更和修改，并且应理解这些变更和修改自然将落入本公开的技术范围内。
例如，附图所示的功能框图中以虚线框示出的单元均表示该功能单元在相应装置中是可选的，并且各个可选的功能单元可以以适当的方式进行组合以实现所需功能。
例如，在以上实施例中包括在一个单元中的多个功能可以由分开的装置来实现。替选地，在以上实施例中由多个单元实现的多个功能可分别由分开的装置来实现。另外，以上功能之一可由多个单元来实现。无需说，这样的配置包括在本公开的技术范围内。
在该说明书中，流程图中所描述的步骤不仅包括以所述顺序按时间序列执行的处理，而且包括并行地或单独地而不是必须按时间序列执行的处理。此外，甚至在按时间序列处理的步骤中，无需说，也可以适当地改变该顺序。
以上虽然结合附图详细描述了本公开的实施例，但是应当明白，上面所描述的实施方式只是用于说明本公开，而并不构成对本公开的限制。对于本领域的技术人员来说，可以对上述实施方式作出各种修改和变更而没有背离本公开的实质和范围。因此，本公开的范围仅由所附的权利要求及其等效含义来限定。

Claims (27)

  1. 一种用户设备，包括处理电路，被配置为：
    在非连续接收DRX周期的检测时间在非授权频段的第一带宽部分上检测物理下行控制信道PDCCH；以及
    当在所述第一带宽部分上没有检测到PDCCH时，在非授权频段的第二带宽部分上检测PDCCH。
  2. 根据权利要求1所述的用户设备，其中，所述处理电路还被配置为：
    设置计数器，所述计数器表示所述用户设备在所述第一带宽部分上连续地没有检测到PDCCH的次数；以及
    当所述计数器大于预定阈值时，在所述第二带宽部分上检测PDCCH。
  3. 根据权利要求1所述的用户设备，其中，所述第一带宽部分和所述第二带宽部分是为所述用户设备配置的用于接收下行信息的带宽部分，并且所述第一带宽部分处于激活状态，所述第二带宽部分处于非激活状态。
  4. 根据权利要求3所述的用户设备，其中，所述处理电路还被配置为：
    当在所述第二带宽部分上检测到PDCCH时，将所述第二带宽部分设置为激活状态，并且将所述第一带宽部分设置为非激活状态。
  5. 根据权利要求1所述的用户设备，其中，所述处理电路还被配置为：
    当在所述第二带宽部分上检测到PDCCH时，发送反馈信息。
  6. 根据权利要求1所述的用户设备，其中，所述处理电路还被配置为：
    当在所述第二带宽部分上检测到PDCCH时，在所述DRX周期的下一个DRX周期在所述第二带宽部分上检测PDCCH。
  7. 根据权利要求1所述的用户设备，其中，所述处理电路还被配置为：
    当在所述第二带宽部分上没有检测到PDCCH时，在所述DRX周期 的下一个DRX周期在所述第一带宽部分上检测PDCCH。
  8. 根据权利要求1所述的用户设备，其中，所述处理电路还被配置为：
    当在所述第二带宽部分上没有检测到PDCCH时，进入所述DRX周期的睡眠时间。
  9. 根据权利要求1所述的用户设备，其中，所述第二带宽部分是为所述用户设备配置的默认带宽部分，并且所述处理电路还被配置为：
    从网络侧设备接收关于所述默认带宽部分的信息。
  10. 根据权利要求9所述的用户设备，其中，所述处理电路还被配置为：
    当在所述第二带宽部分上检测到PDCCH时，从所述网络侧设备接收关于更新的默认带宽部分的信息。
  11. 根据权利要求1所述的用户设备，其中，所述处理电路还被配置为：
    当在所述第一带宽部分上没有检测到PDCCH时，通过信道检测过程确定所述第一带宽部分被占用；以及
    当所述第一带宽部分被占用时，在所述第二带宽部分上检测PDCCH。
  12. 根据权利要求11所述的用户设备，其中，所述处理电路还被配置为：
    在所述DRX周期的检测时间之后执行所述信道检测过程。
  13. 根据权利要求11所述的用户设备，其中，所述处理电路还被配置为：
    当在所述第一带宽部分上没有检测到PDCCH并且所述第一带宽部分没有被占用时，进入所述DRX周期的睡眠时间。
  14. 一种用作网络侧设备的电子设备，包括处理电路，被配置为：
    在非授权频段的第一带宽部分被占用并且非授权频段的第二带宽部分空闲的情况下，利用所述第二带宽部分向用户设备发送物理下行控制信道PDCCH。
  15. 根据权利要求14所述的电子设备，其中，所述处理电路还被配置为：
    通过信道检测过程确定所述第一带宽部分被占用；以及
    通过信道检测过程确定所述第二带宽部分空闲。
  16. 根据权利要求14所述的电子设备，其中，所述第一带宽部分和所述第二带宽部分是为所述用户设备配置的用于接收下行信息的带宽部分，并且所述第一带宽部分处于激活状态，所述第二带宽部分处于非激活状态。
  17. 根据权利要求16所述的电子设备，其中，所述处理电路还被配置为：
    在利用所述第二带宽部分向用户设备发送PDCCH的情况下，将所述第二带宽部分设置为激活状态，并且将所述第一带宽部分设置为非激活状态。
  18. 根据权利要求17所述的电子设备，其中，所述处理电路还被配置为：
    在利用所述第二带宽部分向用户设备发送PDCCH并且从所述用户设备接收到反馈信息的情况下，将所述第二带宽部分设置为激活状态，并且将所述第一带宽部分设置为非激活状态。
  19. 根据权利要求14所述的电子设备，其中，所述第二带宽部分是为所述用户设备配置的默认带宽部分，并且所述处理电路还被配置为：
    向所述用户设备发送关于所述默认带宽部分的信息。
  20. 根据权利要求14所述的电子设备，其中，所述处理电路还被配置为：
    在利用所述第二带宽部分向用户设备发送PDCCH的情况下，向所述用户设备发送关于更新的默认带宽部分的信息。
  21. 根据权利要求20所述的电子设备，其中，所述处理电路还被配置为：
    在利用所述第二带宽部分向用户设备发送PDCCH并且从所述用户设备接收到反馈信息的情况下，向所述用户设备发送关于更新的默认带宽部分的信息。
  22. 根据权利要求19所述的电子设备，其中，所述处理电路还被配置为：
    从为所述用户设备配置的用于接收下行信息的多个带宽部分中选取所述默认带宽部分。
  23. 根据权利要求22所述的电子设备，其中，所述处理电路还被配置为：
    根据所述电子设备检测的所述多个带宽部分中的每个带宽部分的信道空闲的概率来选取所述默认带宽部分。
  24. 根据权利要求15所述的电子设备，其中，所述处理电路还被配置为：
    在所述第一带宽部分被占用并且所述第二带宽部分被占用的情况下，在预定时间之后重新在所述第一带宽部分上执行信道检测过程；
    在所述第一带宽部分空闲的情况下，利用所述第一带宽部分向所述用户设备发送PDCCH；
    在所述第一带宽部分被占用的情况下，重新在所述第二带宽部分上执行信道检测过程；以及
    在所述第二带宽部分空闲的情况下，利用所述第二带宽部分向所述用户设备发送PDCCH。
  25. 一种由用户设备执行的无线通信方法，包括：
    在非连续接收DRX周期的检测时间在非授权频段的第一带宽部分上检测物理下行控制信道PDCCH；以及
    当在所述第一带宽部分上没有检测到PDCCH时，在非授权频段的第二带宽部分上检测PDCCH。
  26. 一种由网络侧设备执行的无线通信方法，包括：
    在非授权频段的第一带宽部分被占用并且非授权频段的第二带宽部分空闲的情况下，利用所述第二带宽部分向用户设备发送物理下行控制信道PDCCH。
  27. 一种计算机可读存储介质，包括可执行计算机指令，所述可执行计算机指令当被计算机执行时使得所述计算机执行根据权利要求25或26所述的无线通信方法。
PCT/CN2019/085078 2018-05-08 2019-04-30 用户设备、电子设备、无线通信方法和存储介质 WO2019214493A1 (zh)

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