WO2020164137A1 - 一种通信方法及装置 - Google Patents

一种通信方法及装置 Download PDF

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Publication number
WO2020164137A1
WO2020164137A1 PCT/CN2019/075275 CN2019075275W WO2020164137A1 WO 2020164137 A1 WO2020164137 A1 WO 2020164137A1 CN 2019075275 W CN2019075275 W CN 2019075275W WO 2020164137 A1 WO2020164137 A1 WO 2020164137A1
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WIPO (PCT)
Prior art keywords
terminal device
indication information
pur
purs
resource
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PCT/CN2019/075275
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English (en)
French (fr)
Inventor
米翔
李军
铁晓磊
罗之虎
金哲
Original Assignee
华为技术有限公司
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.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201980088110.9A priority Critical patent/CN113303002B/zh
Priority to PCT/CN2019/075275 priority patent/WO2020164137A1/zh
Publication of WO2020164137A1 publication Critical patent/WO2020164137A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • This application relates to the field of wireless communication technology, and in particular to a communication method and device.
  • Narrowband Internet of Things is a machine type communication (MTC)-oriented network and an important type of network in the future communication field.
  • MTC machine type communication
  • the uplink scheduling-free transmission can also be called grant-free transmission or Uplink transmission in preconfigured resources or transmission in preconfigured UL resources.
  • the base station can pre-configure uplink resources for the terminal equipment.
  • the terminal device can directly perform uplink data transmission on preconfigured uplink resources (PUR).
  • PUR preconfigured uplink resources
  • terminal equipment does not need to apply for uplink transmission resources from the base station, and does not need to wait for the base station to issue uplink transmission scheduling information. This reduces signaling procedures, reduces power consumption delay, and reduces signaling overhead.
  • the PUR scheduled by the base station to the terminal equipment is periodic.
  • a PUR cycle when the terminal device has data to send, it can wake up from sleep and send data in the PUR of the PUR cycle; when the terminal device has no data to send, you can skip the PUR cycle
  • the PUR that is, the terminal device can continue to sleep, thereby reducing the power consumption of the terminal device.
  • the PUR configured by the base station for the terminal device may need to be released or reconfigured.
  • the current network resources are tight and resources need to be released for use by other terminal devices; or when the terminal device skips the PUR multiple times, the resources can be released.
  • the base station releases the PUR through a paging process, it needs to wake up all terminal devices by sending a paging message on all paging occasions (PO), and indicate to all terminal devices the PUR that needs to be released or reconfigured. This method may wake up terminal devices that should not be awakened, thereby increasing the power consumption of the terminal device. For this reason, how to reduce the power consumption of terminal devices when releasing or reconfiguring PUR is an urgent problem to be solved.
  • the purpose of the embodiments of the present application is to provide a communication method and device to solve the problem of how to reduce the power consumption of the terminal device when the PUR is released or reconfigured.
  • an embodiment of the present application provides a communication method, including: a terminal device determines a first resource that the terminal device can use for uplink data transmission according to configuration information of an uplink resource PUR pre-configured by a network device, and the first The resource includes at least one PUR, and the PUR is a periodic resource; after determining the first resource, the terminal device monitors the physical downlink control channel PDCCH search space every time a first period of time has elapsed; The PDCCH search space detects first indication information from a network device, where the first indication information is used to indicate one or more of the following: indicate whether to release the PUR of the terminal device; indicate whether the PUR of the terminal device is valid; Instruct to reconfigure the PUR of the terminal device; instruct the terminal device to initiate random access.
  • the terminal device monitors the PDCCH search space every time the first period of time has passed, and can implement periodic monitoring of the PDCCH search space.
  • the terminal device does not monitor the PDCCH search space, it can be in a sleep state, so the power consumption of the terminal device can be reduced, and the terminal device can determine whether the network device releases or reconfigures the PUR in time.
  • the method before detecting the first indication information, further includes: when the terminal device sends uplink data in the second resource, Monitor the PDCCH search space within the second duration; the second resource is the last PUR in the first duration; or, when the terminal device does not send uplink data in the second resource, the The terminal device monitors the PDCCH search space in the third time period after the second resource; the second resource is the last PUR in the first time period; wherein, the second time period is greater than or equal to the The third duration.
  • the network device does not need to process the uplink data of the terminal device. If the network device needs to send the first indication information, it can be in a shorter time Send the first instruction message. Therefore, when the terminal device does not send uplink data in the second resource, the time period for monitoring the PDCCH search space can be reduced, and the power consumption of the terminal device can be reduced.
  • the first indication information is used to indicate whether to release all PURs or M PURs of the terminal device, or the first indication information is used to indicate all PURs or M PURs of the terminal device Whether the PUR is valid, or the first indication information is used to reconfigure all PURs or M PURs of the terminal device, or the first indication information is used to instruct the terminal device to initiate random access, and M is greater than 0 The integer.
  • the terminal equipment when the first indication information is used to indicate the release of all PURs or M PURs of the terminal equipment, the terminal equipment will receive all PURs or PURs starting at the moment when the first indication information is received. M PUR released.
  • the terminal device when the first indication information is used to instruct the terminal device to initiate random access, and the terminal device detects the first indication information in the PDCCH search space, the The terminal device initiates random access according to the first indication information;
  • the terminal device receives the second indication information from the network device during the random access process; or, after the terminal device establishes a connection with the network device through the random access process, it receives The second indication information of the network device; wherein, the second indication information is used to indicate whether to release the PUR of the terminal device, or the second indication information is used to indicate whether the PUR of the terminal device is valid, or The second indication information is used to reconfigure the PUR of the terminal device.
  • the first indication information when used to instruct the terminal device to initiate random access, the first indication information is a PDCCH order.
  • the first duration is the duration corresponding to N PUR cycles, and N is an integer greater than zero.
  • the terminal device monitoring the narrowband physical downlink control channel PDCCH search space every time the first time period has elapsed includes: when the terminal device receives the third indication information from the network device, starting a counter, And set the initial value of the counter to 1; the third indication information is used to configure at least one PUR for the terminal device; each time a PUR period has elapsed, the count value of the counter increases by 1, when the count of the counter When the value is N, the terminal device monitors the PDCCH search space.
  • the terminal device when the first preset condition is met, the terminal device resets the value of the counter to 1;
  • the first preset condition includes one or more of the following: the count value of the counter is N; the terminal device sends uplink data; the terminal device receives the fourth indication information from the network device, so The fourth indication information is used to indicate that all PURs or K PURs of the terminal device are valid, and K is an integer greater than zero.
  • the terminal device when the terminal device detects the first indication information in the PDCCH search space, the terminal device sends a confirmation message to the network device.
  • the terminal device determines that all PURs of the terminal device continue to be valid.
  • an embodiment of the present application provides a communication device, the communication device includes a processor, the processor is coupled with a memory, wherein: the memory is used for storing instructions; the processor is used for executing instructions stored in the memory to execute The first aspect or any one of the possible design methods in the first aspect.
  • the communication device may further include the memory.
  • the communication device may further include a transceiver, which is used to support the communication device to send and/or receive information in the foregoing method.
  • the communication device may be a terminal device, or a device in the terminal device, such as a chip or a chip system, where the chip system includes at least one chip, and the chip system may also include other circuit structures and/or Discrete device.
  • an embodiment of the present application provides a communication device for implementing any one of the above-mentioned first aspect or the first aspect, including corresponding functional modules, such as a processing unit, a transceiver unit, etc., respectively Implement the steps in the above method.
  • a communication method includes: a network device determines a first resource for a terminal device, the first resource includes at least one pre-configured uplink resource PUR, and the PUR is a periodic resource; the network device determines After the first resource, the network device determines first indication information every time a first period of time elapses; the first indication information is used to indicate one or more of the following: indicate whether to release the PUR of the terminal device; indicate the Whether the PUR of the terminal device is valid; instruct to reconfigure the PUR of the terminal device; instruct the terminal device to initiate random access; and the network device sends the first indication information in the physical downlink control channel PDCCH search space.
  • the network device sends the first indication information every time the first time period has elapsed, so as to periodically instruct the terminal device to release or reconfigure the PUR.
  • the terminal device does not monitor the PDCCH search space, it can be in a sleep state, so the power consumption of the terminal device can be reduced, and the terminal device can timely determine whether the network device releases or reconfigures the PUR.
  • the first indication information is used to indicate whether to release all PURs or M PURs of the terminal device, or the first indication information is used to indicate all PURs or M PURs of the terminal device Whether the PUR is valid, or the first indication information is used to reconfigure all PURs or M PURs of the terminal device, or the first indication information is used to instruct the terminal device to initiate random access, and M is greater than 0 The integer.
  • the method when the first indication information is used to instruct the terminal device to initiate random access, the method further includes: the network device sends a message to the terminal during the random access process.
  • the device sends second indication information; or, after the network device establishes a connection with the terminal device through the random access process, sends the second indication information to the terminal device; wherein, the second indication information It is used to indicate whether to release the PUR of the terminal device, or the second indication information is used to indicate whether the PUR of the terminal device is valid, or the second indication information is used to reconfigure the PUR of the terminal device.
  • the first indication information when used to instruct the terminal device to initiate random access, the first indication information is a PDCCH order.
  • the first duration is the duration corresponding to N PUR cycles, and N is an integer greater than zero.
  • the determining, by the network device, the first indication information every time the first time period has elapsed includes:
  • the network device When the network device sends third indication information to the terminal device, it starts a counter and sets the initial value of the counter to 1; the third indication information is used to configure at least one PUR for the terminal device; In one PUR period, the count value of the counter is increased by 1, and when the count value of the counter is N, the network device determines the first indication information.
  • the network device when the second preset condition is met, the network device resets the value of the counter to 1;
  • the second preset condition includes one or more of the following: the count value of the counter is N; the uplink data from the terminal device is received; the network device sends fourth indication information to the terminal device, so The fourth indication information is used to indicate that all PURs or K PURs of the terminal device are valid, and K is an integer greater than zero.
  • an embodiment of the present application provides a communication device, the communication device includes a processor, the processor is coupled with a memory, wherein: the memory is used to store instructions; the processor is used to execute instructions stored in the memory to execute The above-mentioned fourth aspect or any one of the possible design methods of the fourth aspect.
  • the communication device may further include the memory.
  • the communication device may further include a transceiver, which is used to support the communication device to send and/or receive information in the foregoing method.
  • the communication device may be a network device, or a device in the network device, such as a chip or a chip system, where the chip system includes at least one chip, and the chip system may also include other circuit structures and/or Discrete device.
  • an embodiment of the present application provides a communication device for implementing any one of the foregoing fourth aspect or the fourth aspect, including corresponding functional modules, such as a processing unit, a transceiver unit, etc., respectively used for Implement the steps in the above method.
  • the embodiment of the present application provides a computer-readable storage medium, which stores computer-readable instructions.
  • the communication device is caused to perform any of the above-mentioned possibilities. Method in design.
  • the embodiment of the present application provides a computer program product.
  • the communication device executes any of the above-mentioned possible design methods.
  • the embodiment of the present application provides a chip, which is connected to a memory, and is used to read and execute a software program stored in the memory, so as to implement any of the above-mentioned possible design methods.
  • FIG. 1 is a schematic diagram of a communication system applicable to the communication method of the embodiment of the present application
  • FIG. 2 is a schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 3 is a schematic diagram of a communication sequence provided by an embodiment of this application.
  • FIG. 4 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 5 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of the application.
  • NR new radio
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • LTE long term evolution
  • LTE-A advanced long term evolution
  • FIG. 1 shows a schematic diagram of a communication system applicable to the communication method of the embodiment of the present application.
  • network equipment and terminal equipment 1 to terminal equipment 6 form a communication system.
  • the terminal device 1 to the terminal device 6 can send uplink data to the network device, and the network device can also send the downlink data to the terminal device 1 to the terminal device 6.
  • the terminal device 4-6 can also form a communication system.
  • the network device can send the downlink data of the terminal device 4 and the terminal device 6 to the terminal device 5, and the terminal device 5 then forwards it to the terminal device 5.
  • a device with a wireless transceiving function or a chip that can be installed in the device can communicate with one or more core networks via a radio access network (RAN).
  • RAN radio access network
  • the terminal device can be a mobile phone, a tablet computer (Pad), a computer with wireless transceiver function, a personal digital assistant (personal digital assistant, PDA) virtual reality (VR) terminal, an augmented reality, AR) terminals, wireless terminals in industrial control, wireless terminals in self-driving (self-driving), wireless terminals in remote medical, wireless terminals in smart grid, transportation Wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, and so on.
  • the embodiment of this application does not limit the application scenario.
  • the aforementioned terminal equipment and the chips that can be installed in the aforementioned terminal equipment are collectively referred to as terminal equipment.
  • the terminal equipment in the embodiments of this application may also be called user equipment (UE), user terminal (user terminal), access terminal (access terminal), user unit, user station, mobile station (mobile station), Mobile station (mobile), remote station (remote station), remote terminal (remote terminal), mobile equipment, wireless communication equipment, user agent or user device.
  • UE user equipment
  • user terminal user terminal
  • access terminal access terminal
  • user unit user station
  • mobile station mobile station
  • mobile station mobile station
  • remote station remote station
  • remote terminal remote terminal
  • mobile equipment wireless communication equipment
  • user agent user device.
  • a network device is a device with a wireless transceiver function or a chip that can be installed in the device.
  • the network device can be used to convert the received air frame and IP packet to each other as a communication between the terminal device and the rest of the access network
  • the router can also be used to coordinate the attribute management of the air interface.
  • This equipment includes but is not limited to: evolved Node B (eNB), radio network controller (RNC), Node B (NB), base station controller (BSC) , Base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit (BBU), wireless fidelity (wireless fidelity, WIFI) system Access point (access point, AP), wireless relay node, wireless backhaul node, transmission point (transmission and reception point, TRP or transmission point, TP), etc., can also be gNB or transmission in 5G (NR) systems Point (TRP or TP), one or a group of (including multiple antenna panels) antenna panels of the base station in the 5G system.
  • eNB evolved Node B
  • RNC radio network controller
  • NB Node B
  • BSC base station controller
  • BBU Base transceiver station
  • home base station for example, home evolved NodeB, or home Node B, HNB
  • BBU baseband unit
  • wireless fidelity
  • embodiments of this application provide a method for monitoring a search space (physical downlink control channel, PDCCH) search space, which will be described in detail below.
  • a search space physical downlink control channel, PDCCH
  • monitoring PDCCH search space can also be described in other ways, for example, it can be called “monitoring PDCCH”, or “monitoring PDCCH candidate (candidate) set", etc.
  • the above expressions all mean the same meaning For the convenience of description, in the embodiments of this application, they are collectively referred to as “monitoring PDCCH search space”.
  • the PDCCH may also be referred to as a “narrow physical downlink control channel (NPDCCH)".
  • NPDCCH narrow physical downlink control channel
  • the PDCCH or the NPDCCH are collectively referred to as the "PDCCH" in the embodiments of this application.
  • FIG. 2 it is a schematic flowchart of a communication method provided by an embodiment of this application. Referring to Figure 2, the method includes:
  • Step 201 The terminal device determines the first resource that the terminal device can use for uplink data transmission according to the configuration information of the PUR.
  • the first resource includes at least one PUR, the PUR is a periodic resource, one PUR corresponds to one PUR period, and each PUR period includes one PUR.
  • the PUR included in the first resource may be as shown in FIG. 3.
  • Step 202 After determining the first resource, the terminal device monitors the PDCCH search space every time the first time period passes, and detects the first indication information from the network device in the PDCCH search space.
  • the first indication information is used to indicate one or more of the following: indicate whether to release the PUR of the terminal device; indicate whether the PUR of the terminal device is valid; indicate to reconfigure the PUR of the terminal device; indicate the terminal The device initiates random access.
  • the first indication information is used to indicate whether to release all PURs or M PURs of the terminal device, and M is an integer greater than zero.
  • the terminal device and the network device may pre-arranged that when the value of the first indication information is the first value, it means that all PURs or M PURs of the terminal device are released; when the value of the first indication information is When it is the second value, it means that all PURs or M PURs of the terminal device are not released, that is, it means that all PURs or M PURs of the terminal device are valid.
  • the first indication information when used to indicate the release of M PURs of the terminal device, it means that the M PURs after the moment when the terminal device receives the first indication information are released. At this time, the terminal device receives the first indication information. After the instruction information, the M PURs after the first instruction information are no longer used.
  • the first indication information is used to indicate whether all PURs or M PURs of the terminal device are valid.
  • the terminal device and the network device may pre-determine that when the value of the first indication information is the third value, it means that all or M PURs of the terminal device are valid; when the value of the first indication information is When it is the second value, it means that all PURs or M PURs of the terminal device are invalid, that is, it means that all PURs or M PURs of the terminal device are released.
  • the first indication information when the first indication information is used to indicate that the M PURs of the terminal device are valid, it means that the M PURs after the moment when the terminal device receives the first indication information are valid. At this time, the terminal device receives the first indication information. After the indication information, M PURs after the first indication information can be used, but the PUR starting from the M+1th PUR cannot be used by the terminal device.
  • the first indication information is used to reconfigure all PURs or M PURs of the terminal device. How to reconfigure all PURs or M PURs of the terminal device is not limited here.
  • the M PURs may refer to M PURs after the moment when the terminal device receives the first indication information.
  • the first indication information is used to instruct the terminal device to initiate random access.
  • the first indication information may be a PDCCH order (order).
  • the terminal equipment When the first indication information is used to instruct the terminal equipment to initiate random access, if the terminal equipment detects the first indication information in the PDCCH search space, the terminal equipment may be based on the The first indication information initiates random access.
  • the terminal device may receive second indication information from the network device during the random access process; wherein, the second indication information is used to indicate whether to release the terminal device Or the second indication information is used to indicate whether the PUR of the terminal device is valid, or the second indication information is used to reconfigure the PUR of the terminal device.
  • the terminal device may receive the second indication information from the network device after establishing a connection with the network device through the random access process.
  • Step 203 The network device determines the first resource for the terminal device.
  • the first resource includes at least one pre-configured uplink resource PUR, and the PUR is a periodic resource.
  • Step 204 After the network device determines the first resource, the network device determines first indication information every time a first time period passes, and sends the first indication information in the PDCCH search space.
  • the PUR configuration information may be sent by the network device through a radio resource control (Radio Resource Control, RRC) message, or the terminal device may be notified in other ways, which is not limited in this embodiment of the application.
  • RRC Radio Resource Control
  • the configuration information of the PUR may indicate the number of resources included in the first resource, the occupied bandwidth, etc.
  • the embodiment of the present application does not limit the specific content of the configuration information of the PUR, which will not be repeated here.
  • the first duration may be the duration corresponding to N PUR cycles, each PUR cycle includes one PUR, and N is an integer greater than zero.
  • N may be a value configured by the network device, or a value agreed upon between the network device and the terminal device, which is not limited in the embodiment of the present application.
  • the terminal device may start a counter when receiving the third indication information from the network device, and set The initial value of the counter is 1; the count value of the counter is increased by 1 every time a PUR period has passed.
  • the count value of the counter is N
  • the The terminal device monitors the PDCCH search space.
  • the second resource is the last PUR in the first duration.
  • the third indication information is used to configure at least one PUR for the terminal device.
  • the third indication information may be the PUR configuration information in step 201.
  • the counter may be reset to 1.
  • the frequency of the terminal device monitoring the PDCCH search space can be reduced, thereby further reducing the power consumption of the terminal device.
  • the first preset condition is any one of the following, or a combination of at least one:
  • the count value of the counter is N; when the count value of the counter is N, it means that the terminal device has skipped at least N PURs without transmitting data. At this time, the terminal device can monitor the PDCCH search space to determine that the network device is Whether the uplink resource pre-configured by the terminal device is still valid.
  • the terminal device sends uplink data; for example, the terminal device sends uplink data through the PUR in the first resource.
  • the terminal device After a terminal device sends uplink data, it needs to monitor the PDCCH search space to detect whether the network device sends an acknowledgement (acknowledge) message for the uplink data in the PDCCH search space. Therefore, after the terminal device sends the uplink data, The counter can be reset to the initial value of 1, which reduces the frequency of the terminal equipment monitoring the PDCCH search space and reduces the power consumption of the terminal equipment.
  • the terminal device receives fourth indication information from the network device, where the fourth indication information is used to indicate that all PURs or K PURs of the terminal device are valid, and K is an integer greater than 0.
  • the network device may feed back the fourth indication information when receiving the uplink data.
  • the terminal device can determine according to the fourth indication information that all the PURs or K PURs of the terminal device are still valid, so there is no need to monitor the PDCCH search space during the current counting period of the counter, so that the counter can be reset to the initial value of 1, which reduces
  • the terminal equipment monitors the frequency of the PDCCH search space, reducing the power consumption of the terminal equipment.
  • first preset condition may also include other conditions, which will not be illustrated one by one here.
  • the terminal device starts to monitor the PDCCH search space at the end of the first time period every time the first time period passes.
  • the terminal device determines the first duration through the counter
  • the terminal device starts to monitor the PDCCH search space when the value of the counter count is N.
  • the duration of monitoring the PDCCH search space can be the duration configured by the network device or a predetermined duration.
  • the terminal device may monitor the PDCCH search space for a second time period after the second resource. For example, the terminal device starts a timer after sending uplink data in the second resource, and monitors the PDCCH search space before the timer expires or stops.
  • the timing duration of the timer is the second duration
  • the second duration is the duration configured by the network device or the predetermined duration.
  • the terminal device monitors the PDCCH search space for a third period of time after the second resource. For example, the terminal device starts a timer at the end of the second resource, and monitors the PDCCH search space before the timer expires or stops.
  • the timing duration of the timer is a third duration
  • the third duration is also a duration configured by the network device or a pre-appointed duration
  • the second duration may be greater than or equal to the third duration.
  • the network device does not need to process the uplink data of the terminal device. If the network device needs to send the first indication information, it can be in a shorter time Send the first instruction message. Therefore, when the terminal device does not send uplink data in the second resource, the time period for monitoring the PDCCH search space can be reduced, and the power consumption of the terminal device can be reduced.
  • the terminal device when the terminal device detects the first indication information in the PDCCH search space, the terminal device may send a confirmation message to the network device, and the confirmation message is used to indicate Successfully received the first indication information. In this way, the network device can determine whether the terminal device successfully receives the first indication information.
  • the terminal device determines that all PURs of the terminal device continue to be valid. Or, in another possible implementation manner, when the terminal device does not detect the first indication information in the PDCCH search space, the terminal device determines that all PURs of the terminal device are released.
  • step 203 how the network device specifically determines the first resource for the terminal device is not limited in this embodiment of the present application, and will not be repeated here.
  • the network device may send third indication information to the terminal device.
  • the network device starts a counter and sets the initial value of the counter to 1;
  • the network device sends the first indication information in the PDCCH search space.
  • the network device can perform the random access process message 4 carries second indication information, the second indication information is used to indicate whether to release the PUR of the terminal device, or the second indication information is used to indicate whether the PUR of the terminal device is valid, or the second The indication information is used to reconfigure the PUR of the terminal device.
  • the network device can send second indication information to the terminal device after establishing a connection with the terminal device through random access.
  • the second indication information can be carried in a radio resource control (RRC) message .
  • RRC radio resource control
  • the network device may carry the first indication information through downlink control information (DCI).
  • DCI downlink control information
  • the format of DCI can be DCI format N1.
  • the format of the DCI carrying the first indication information may be a format other than the DCI format N0 and the DCI format N1 in the prior art, that is, a redesigned format.
  • the bit width of the redesigned DCI is the same as the DCI format N1, which is 23 bits.
  • the value of the counter is reset to 1.
  • the frequency of sending the first indication information can be reduced, thereby improving resource utilization.
  • the second preset condition is any one of the following, or a combination of at least one:
  • Condition 2 The network device receives the uplink data from the terminal device.
  • Condition 3 The network device sends fourth indication information to the terminal device, where the fourth indication information is used to indicate that all PURs or K PURs of the terminal device are valid, and K is an integer greater than 0.
  • the second preset condition may also include other conditions, which will not be illustrated one by one here.
  • the communication device 400 includes: a transceiver module 401 and a processing module 402.
  • the processing module 402 is configured to determine a first resource that the terminal device can use for uplink data transmission according to the configuration information of the uplink resource PUR preconfigured by the network device, the first resource includes at least one PUR, and the PUR is a periodic resource ;
  • the processing module 402 is further configured to monitor the physical downlink control channel PDCCH search space through the transceiver module 401 after the first resource is determined, every time a first period of time elapses;
  • the processing module 402 detects the first indication information from the network device in the PDCCH search space through the transceiver module 401, and the first indication information is used to indicate one or more of the following: indicate whether to release the terminal PUR of the device; indicating whether the PUR of the terminal device is valid; instructing to reconfigure the PUR of the terminal device; instructing the terminal device to initiate random access.
  • the processing module 402 is further configured to send uplink data in the second resource through the transceiving module 401, and the processing module 402 uses the transceiving module 401 to send data after the second resource. Monitor the PDCCH search space in the second duration; the second resource is the last PUR in the first duration;
  • the processing module 402 listens in the third time period after the second resource through the transceiving module 401
  • the PDCCH search space the second resource is the last PUR in the first duration; wherein, the second duration is greater than or equal to the third duration.
  • the first indication information is used to indicate whether to release all PURs or M PURs of the terminal device, or the first indication information is used to indicate all PURs or M PURs of the terminal device Whether the PUR is valid, or the first indication information is used to reconfigure all PURs or M PURs of the terminal device, or the first indication information is used to instruct the terminal device to initiate random access, and M is greater than 0 The integer.
  • the terminal equipment when the first indication information is used to indicate the release of all PURs or M PURs of the terminal equipment, the terminal equipment will receive all PURs or PURs starting at the moment when the first indication information is received. M PUR released.
  • the processing module 402 is further configured to: when the first indication information is used to instruct the terminal device to initiate random access, and the terminal device detects all the information in the PDCCH search space In the case of the first indication information, initiate random access according to the first indication information;
  • the transceiver module 401 receives the second indication information from the network device during the random access process; or, the transceiver module 401 communicates with the processing module 402 through the random access process. After the network device establishes a connection, receiving the second instruction information from the network device;
  • the second indication information is used to indicate whether to release the PUR of the terminal device, or the second indication information is used to indicate whether the PUR of the terminal device is valid, or the second indication information is used for reconfiguration The PUR of the terminal device.
  • the first indication information when used to instruct the terminal device to initiate random access, the first indication information is a PDCCH order.
  • the first duration is the duration corresponding to N PUR cycles, and N is an integer greater than zero.
  • processing module 402 is specifically configured to:
  • the transceiver module 401 When the transceiver module 401 receives the third instruction information from the network device, it starts a counter and sets the initial value of the counter to 1; the third instruction information is used to configure at least one terminal device PUR;
  • the count value of the counter is increased by 1, and when the count value of the counter is N, the PDCCH search space is monitored through the transceiver module 401.
  • the processing module 402 when the first preset condition is met, the processing module 402 resets the value of the counter to 1;
  • the first preset condition includes one or more of the following:
  • the count value of the counter is N;
  • the transceiver module 401 sends uplink data
  • the transceiver module 401 receives fourth indication information from the network device, where the fourth indication information is used to indicate that all PURs or K PURs of the terminal device are valid, and K is an integer greater than zero.
  • the processing module 402 when the processing module 402 detects the first indication information in the PDCCH search space, it sends a confirmation message to the network device through the transceiver module 401.
  • the transceiver module 401 determines that all PURs of the terminal device continue to be valid.
  • Fig. 5 is a schematic structural diagram of a terminal device provided by an embodiment of the present application.
  • the terminal device shown in FIG. 5 may be a hardware circuit implementation of the communication device shown in FIG. 4.
  • the terminal device can be applied to the flowchart shown above to perform the functions of the terminal device in the above method embodiment.
  • FIG. 5 only shows the main components of the terminal device.
  • the terminal device may also be a device in the terminal device, such as a chip or a chip system, where the chip system includes at least one chip, and the chip system may also include other circuit structures and/or discrete devices.
  • the terminal device 500 includes a processor 501, a memory 502, a transceiver 503, an antenna 504, and an input and output device 505.
  • the processor 501 is mainly used to process communication protocols and communication data, and to control the entire wireless communication device, execute software programs, and process data of the software programs, for example, to support the wireless communication device to execute the methods described in the above method embodiments. Action etc.
  • the memory 502 is mainly used to store software programs and data.
  • the transceiver 503 is mainly used for conversion of baseband signals and radio frequency signals and processing of radio frequency signals.
  • the antenna 504 is mainly used to transmit and receive radio frequency signals in the form of electromagnetic waves.
  • the input output device 505, such as a touch screen, a display screen, a keyboard, etc., is mainly used to receive data input by the user and output data to the user.
  • the processor 501 is configured to determine, according to the configuration information of the uplink resource PUR pre-configured by the network device, a first resource that the terminal device can use for uplink data transmission, the first resource includes at least one PUR, and the PUR is a periodic resource ;
  • the processor 501 is further configured to monitor the physical downlink control channel PDCCH search space through the transceiver 503 after the first resource is determined, every time a first time period has elapsed;
  • the processor 501 detects first indication information from a network device in the PDCCH search space through the transceiver 503, where the first indication information is used to indicate one or more of the following: indicate whether to release the terminal PUR of the device; indicating whether the PUR of the terminal device is valid; instructing to reconfigure the PUR of the terminal device; instructing the terminal device to initiate random access.
  • the processor 501 when the processor 501 is further configured to send uplink data in the second resource through the transceiver 503, the processor 501 uses the transceiver 503 to send data after the second resource. Monitor the PDCCH search space in the second duration; the second resource is the last PUR in the first duration;
  • the processor 501 listens for a third period of time after the second resource through the transceiver 503
  • the PDCCH search space; the second resource is the last PUR in the first duration; wherein, the second duration is greater than or equal to the third duration.
  • the first indication information is used to indicate whether to release all PURs or M PURs of the terminal device, or the first indication information is used to indicate all PURs or M PURs of the terminal device Whether the PUR is valid, or the first indication information is used to reconfigure all PURs or M PURs of the terminal device, or the first indication information is used to instruct the terminal device to initiate random access, and M is greater than 0 The integer.
  • the processor 501 is further configured to: when the first indication information is used to instruct the terminal device to initiate random access, and the first indication is detected in the PDCCH search space Information, initiate random access according to the first indication information;
  • the transceiver 503 receives the second indication information from the network device during the random access process; or, the transceiver 503 communicates with the processor 501 through the random access process After the network device establishes a connection, receiving the second instruction information from the network device;
  • the second indication information is used to indicate whether to release the PUR of the terminal device, or the second indication information is used to indicate whether the PUR of the terminal device is valid, or the second indication information is used for reconfiguration The PUR of the terminal device.
  • the first indication information when used to instruct the terminal device to initiate random access, the first indication information is a PDCCH order.
  • the first duration is the duration corresponding to N PUR cycles, and N is an integer greater than zero.
  • the processor 501 is specifically configured to:
  • the transceiver 503 When the transceiver 503 receives the third indication information from the network device, it starts a counter and sets the initial value of the counter to 1; the third indication information is used to configure at least one terminal device PUR;
  • the count value of the counter is increased by 1, and when the count value of the counter is N, the PDCCH search space is monitored through the transceiver 503.
  • the processor 501 when the first preset condition is met, the processor 501 resets the value of the counter to 1;
  • the first preset condition includes one or more of the following:
  • the count value of the counter is N;
  • the transceiver 503 sends uplink data
  • the transceiver 503 receives fourth indication information from the network device, where the fourth indication information is used to indicate that all PURs or K PURs of the terminal device are valid, and K is an integer greater than 0.
  • the transceiver 503 when the processor 501 detects the first indication information in the PDCCH search space, the transceiver 503 sends a confirmation message to the network device.
  • the transceiver 503 determines that all PURs of the terminal device continue to be valid.
  • the processor 501 when the processor 501 detects the first indication information in the PDCCH search space, it sends a confirmation message to the network device through the transceiver 503.
  • the processor 501 when the processor 501 does not detect the first indication information in the PDCCH search space, it determines through the transceiver 503 that all PURs of the terminal device continue to be valid.
  • the communication device 600 includes: a transceiver module 601 and a processing module 602.
  • the processing module 602 is configured to determine a first resource for the terminal device, where the first resource includes at least one pre-configured uplink resource PUR, and the PUR is a periodic resource; after the first resource is determined, every first resource Time length, the network device determines the first indication information; the first indication information is used to indicate one or more of the following: indicate whether to release the PUR of the terminal device; indicate whether the PUR of the terminal device is valid; PUR of the terminal device; instruct the terminal device to initiate random access;
  • the transceiver module 601 is configured to send the first indication information in the physical downlink control channel PDCCH search space.
  • the first indication information is used to indicate whether to release all PURs or M PURs of the terminal device, or the first indication information is used to indicate all PURs or M PURs of the terminal device Whether the PUR is valid, or the first indication information is used to reconfigure all PURs or M PURs of the terminal device, or the first indication information is used to instruct the terminal device to initiate random access, and M is greater than 0 The integer.
  • the transceiver module 601 is further configured to, when the first indication information is used to instruct the terminal device to initiate random access, in the random access process, to the terminal device Send the second instruction information;
  • the processing module 602 after the processing module 602 establishes a connection with the terminal device through the random access process, send the second indication information to the terminal device;
  • the second indication information is used to indicate whether to release the PUR of the terminal device, or the second indication information is used to indicate whether the PUR of the terminal device is valid, or the second indication information is used for reconfiguration The PUR of the terminal device.
  • the first duration is the duration corresponding to N PUR cycles, and N is an integer greater than zero.
  • processing module 602 is specifically configured to:
  • the transceiver module 601 When the transceiver module 601 sends third indication information to the terminal device, it starts a counter and sets the initial value of the counter to 1; the third indication information is used to configure at least one PUR for the terminal device;
  • the count value of the counter is increased by 1, and when the count value of the counter is N, the first indication information is determined.
  • the processing module 602 when the second preset condition is met, the processing module 602 resets the value of the counter to 1;
  • the second preset condition includes one or more of the following:
  • the count value of the counter is N;
  • the transceiver module 601 receives uplink data from the terminal device
  • the transceiver module 601 sends fourth indication information to the terminal device, where the fourth indication information is used to indicate that all PURs or K PURs of the terminal device are valid, and K is an integer greater than 0.
  • Fig. 7 is a schematic structural diagram of a network device provided by an embodiment of the present application.
  • the communication device shown in FIG. 7 may be a hardware circuit implementation of the communication device shown in FIG. 6.
  • the communication device can be applied to the flowchart shown in FIG. 2 to perform the functions of the network device in the foregoing method embodiment.
  • FIG. 7 only shows the main components of the communication device.
  • the communication device may be a network device, or a device in the network device, such as a chip or a chip system, where the chip system includes at least one chip, and the chip system may also include other circuit structures and/or Discrete device.
  • the network device 700 includes a processor 701, a memory 702, a transceiver 703, an antenna 704, and the like.
  • the processor 701 is configured to determine a first resource for a terminal device, where the first resource includes at least one pre-configured uplink resource PUR, where the PUR is a periodic resource; after determining the first resource, every time the first resource passes Time length, the network device determines the first indication information; the first indication information is used to indicate one or more of the following: indicate whether to release the PUR of the terminal device; indicate whether the PUR of the terminal device is valid; PUR of the terminal device; instruct the terminal device to initiate random access;
  • the transceiver 703 is configured to send the first indication information in the physical downlink control channel PDCCH search space.
  • the first indication information is used to indicate whether to release all PURs or M PURs of the terminal device, or the first indication information is used to indicate all PURs or M PURs of the terminal device Whether the PUR is valid, or the first indication information is used to reconfigure all PURs or M PURs of the terminal device, or the first indication information is used to instruct the terminal device to initiate random access, and M is greater than 0 The integer.
  • the transceiver 703 is further configured to, when the first indication information is used to instruct the terminal device to initiate random access, in the random access process, to the terminal device Send the second instruction information;
  • the processor 701 After the processor 701 establishes a connection with the terminal device through the random access process, send the second indication information to the terminal device;
  • the second indication information is used to indicate whether to release the PUR of the terminal device, or the second indication information is used to indicate whether the PUR of the terminal device is valid, or the second indication information is used for reconfiguration The PUR of the terminal device.
  • the first duration is the duration corresponding to N PUR cycles, and N is an integer greater than zero.
  • the processor 701 is specifically configured to:
  • the transceiver 703 sends third indication information to the terminal device, start a counter and set the initial value of the counter to 1; the third indication information is used to configure at least one PUR for the terminal device;
  • the count value of the counter is increased by 1, and when the count value of the counter is N, the first indication information is determined.
  • the processor 701 when the second preset condition is met, the processor 701 resets the value of the counter to 1;
  • the second preset condition includes one or more of the following:
  • the count value of the counter is N;
  • the transceiver 703 receives uplink data from the terminal device
  • the transceiver 703 sends fourth indication information to the terminal device, where the fourth indication information is used to indicate that all PURs or K PURs of the terminal device are valid, and K is an integer greater than 0.
  • the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, this application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) containing computer-usable program codes.
  • a computer-usable storage media including but not limited to disk storage, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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Abstract

一种通信方法及装置,其中方法包括:终端设备根据网络设备预配置的上行资源PUR的配置信息确定所述终端设备能够用于上行数据传输的第一资源,所述第一资源包括至少一个PUR,所述PUR为周期性的资源;所述终端设备在确定所述第一资源之后,每经过第一时长,监听物理下行控制信道PDCCH搜索空间;所述终端设备在所述PDCCH搜索空间中检测来自网络设备的第一指示信息,所述第一指示信息用于指示以下一项或多项:指示是否释放所述终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入。

Description

一种通信方法及装置 技术领域
本申请涉及无线通信技术领域,特别涉及一种通信方法及装置。
背景技术
窄带物联网(narrow band internet of things,NB-IoT)是一种面向机器类型通信(machine type communication,MTC)的网络,是未来通信领域的一类重要网络。目前,正在研究在NB-IoT中增加上行免调度传输技术,其中上行免调度传输还可以称为grant-free transmission或Uplink transmission in preconfigured resources或transmission in preconfigured UL resources等。上行免调度传输技术中,基站可以为终端设备预配置上行资源。当终端设备有上行数据需要进行传输时,终端设备可以直接在预配置的上行资源(preconfigured uplink resources,PUR)上进行上行数据传输。对于上行免调度传输技术,终端设备不需要向基站申请上行传输资源、不需要等待基站下发上行传输调度信息,减少了信令流程,具有降低功耗时延、降低信令开销等优势。
在上行免调度传输技术中,基站给终端设备调度的PUR是周期性的。在一个PUR周期中,当终端设备有数据要发送,则可以从睡眠状态醒来,在PUR周期的PUR中发送数据;当终端设备没有数据要发送,则可以跳过(skip)该PUR周期中的PUR,即终端设备可以继续处于睡眠状态,进而可以降低终端设备的功耗。
由于各种原因,基站为终端设备配置的PUR可能需要释放或者重配置,例如,当前网络资源紧张,需要释放资源给其它终端设备使用;或者当终端设备多次跳过PUR时,可以释放资源,以避免资源浪费。如果基站通过寻呼流程释放PUR,则需要在所有寻呼机会(paging occasion,PO)上,通过发送寻呼消息将所有终端设备唤醒,并向所有终端设备指示需要释放或者重配置的PUR。这种方式可能会唤醒不应该被唤醒的终端设备,从而增加终端设备的功耗。为此,在释放或者重配置PUR时,如何降低终端设备的功耗,是一个亟待解决的问题。
发明内容
本申请实施方式的目的在于提供一种通信方法及装置,用以解决在释放或者重配置PUR时,如何降低终端设备的功耗的问题。
第一方面,本申请实施例提供一种通信方法,包括:终端设备根据网络设备预配置的上行资源PUR的配置信息确定所述终端设备能够用于上行数据传输的第一资源,所述第一资源包括至少一个PUR,所述PUR为周期性的资源;所述终端设备在确定所述第一资源之后,每经过第一时长,监听物理下行控制信道PDCCH搜索空间;所述终端设备在所述PDCCH搜索空间中检测来自网络设备的第一指示信息,所述第一指示信息用于指示以下一项或多项:指示是否释放所述终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入。
通过上面的方法,终端设备每经过第一时长,监听PDCCH搜索空间,可以实现周期性的监听PDCCH搜索空间。终端设备不监听PDCCH搜索空间时,可以处于睡眠状态, 因此可以降低终端设备的功耗,又可以使得终端设备及时的确定网络设备是否释放或者重配置PUR。
一种可能的设计中,在检测所述第一指示信息之前,所述方法还包括:当所述终端设备在第二资源中发送上行数据时,所述终端设备在所述第二资源之后的第二时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;或者,当所述终端设备未在所述第二资源中发送上行数据时,所述终端设备在所述第二资源之后的第三时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;其中,所述第二时长大于或等于所述第三时长。
上面的方法中,终端设备在第二资源中未发送上行数据的情况下,网络设备就不需要处理终端设备的上行数据,如果网络设备需要发送第一指示信息,从而可以在较短的时间内发送第一指示信息。因此终端设备在第二资源中未发送上行数据的情况下,可以减少监听PDCCH搜索空间的时长,降低终端设备的功耗。
一种可能的设计中,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机接入,M为大于0的整数。
一种可能的设计中,所述第一指示信息用于指示释放所述终端设备的所有PUR或者M个PUR时,所述终端设备将接收到所述第一指示信息的时刻开始的所有PUR或者M个PUR释放。
一种可能的设计中,当所述第一指示信息用于指示所述终端设备发起随机接入,且所述终端设备在所述PDCCH搜索空间中检测到所述第一指示信息时,所述终端设备根据所述第一指示信息发起随机接入;
所述终端设备在所述随机接入过程中,接收来自所述网络设备的第二指示信息;或者,所述终端设备通过所述随机接入过程与所述网络设备建立连接后,接收来自所述网络设备的第二指示信息;其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
一种可能的设计中,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述第一指示信息为PDCCH命令。
一种可能的设计中,所述第一时长为N个PUR周期对应的时长,N为大于0的整数。
一种可能的设计中,所述每经过第一时长,终端设备监听窄带物理下行控制信道PDCCH搜索空间,包括:所述终端设备接收到来自所述网络设备的第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,所述终端设备监听所述PDCCH搜索空间。
一种可能的设计中,当满足第一预设条件时,所述终端设备重置所述计数器的值为1;
所述第一预设条件包括以下一项或多项:所述计数器的计数值为N;所述终端设备发送上行数据;所述终端设备接收到来自所述网络设备的第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
一种可能的设计中,当所述终端设备在所述PDCCH搜索空间中检测到所述第一指示信息时,所述终端设备向所述网络设备发送确认消息。
一种可能的设计中,当所述终端设备在所述PDCCH搜索空间中未检测到所述第一指示信息时,所述终端设备确定所述终端设备的所有PUR继续有效。
第二方面,本申请实施例提供一种通信装置,所述通信装置包括处理器,所述处理器与存储器耦合,其中:存储器用于存储指令;处理器用于根据执行存储器存储的指令,以执行上述第一方面或第一方面中任一种可能的设计中的方法。可选的,所述通信装置还可以包括所述存储器。可选的,所述通信装置还可以包括收发器,用于支持所述通信装置进行上述方法中的信息发送和/或接收。可选的,该通信装置可以是终端设备,也可以是终端设备中的装置,如芯片或者芯片系统,其中所述芯片系统包含至少一个芯片,所述芯片系统还可以包括其他电路结构和/或分立器件。
第三方面,本申请实施例提供一种通信装置,用于实现上述第一方面或第一方面中的任意一种方法,包括相应的功能模块,例如包括处理单元、收发单元等,分别用于实现以上方法中的步骤。
第四方面,一种通信方法,包括:网络设备为终端设备确定第一资源,所述第一资源包括至少一个预配置的上行资源PUR,所述PUR为周期性的资源;所述网络设备确定所述第一资源之后,每经过第一时长,所述网络设备确定第一指示信息;所述第一指示信息用于指示以下一项或多项:指示是否释放终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入;所述网络设备在物理下行控制信道PDCCH搜索空间中发送所述第一指示信息。
通过上面的方法,网络设备每经过第一时长,发送第一指示信息,可以实现周期性的向终端设备指示释放或者重配置PUR。终端设备不监听PDCCH搜索空间时,可以处于睡眠状态,因此可以降低终端设备的功耗,又可以使得终端设备及时的确定网络设备是否释放或者重配置PUR。
一种可能的设计中,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机接入,M为大于0的整数。
一种可能的设计中,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述方法还包括:所述网络设备在所述随机接入过程中,向所述终端设备发送第二指示信息;或者,所述网络设备通过所述随机接入过程与所述终端设备建立连接后,向所述终端设备发送所述第二指示信息;其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
一种可能的设计中,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述第一指示信息为PDCCH命令。
一种可能的设计中,所述第一时长为N个PUR周期对应的时长,N为大于0的整数。
一种可能的设计中,所述每经过第一时长,所述网络设备确定第一指示信息,包括:
所述网络设备向所述终端设备发送第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,所述网络设备确定第一指示信息。
一种可能的设计中,当满足第二预设条件时,所述网络设备重置所述计数器的值为1;
所述第二预设条件包括以下一项或多项:所述计数器的计数值为N;接收来自所述终端设备的上行数据;所述网络设备向所述终端设备发送第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
第五方面,本申请实施例提供一种通信装置,所述通信装置包括处理器,所述处理器与存储器耦合,其中:存储器用于存储指令;处理器用于根据执行存储器存储的指令,以执行上述第四方面或第四方面中任一种可能的设计中的方法。可选的,所述通信装置还可以包括所述存储器。可选的,所述通信装置还可以包括收发器,用于支持所述通信装置进行上述方法中的信息发送和/或接收。可选的,该通信装置可以是网络设备,也可以是网络设备中的装置,如芯片或者芯片系统,其中所述芯片系统包含至少一个芯片,所述芯片系统还可以包括其他电路结构和/或分立器件。
第六方面,本申请实施例提供一种通信装置,用于实现上述第四方面或第四方面中的任意一种方法,包括相应的功能模块,例如包括处理单元、收发单元等,分别用于实现以上方法中的步骤。
本申请实施例提供一种计算机可读存储介质,所述计算机存储介质中存储有计算机可读指令,当计算机读取并执行所述计算机可读指令时,使得通信装置执行上述任一种可能的设计中的方法。
本申请实施例提供一种计算机程序产品,当计算机读取并执行所述计算机程序产品时,使得通信装置执行上述任一种可能的设计中的方法。
本申请实施例提供一种芯片,所述芯片与存储器相连,用于读取并执行所述存储器中存储的软件程序,以实现上述任一种可能的设计中的方法。
附图说明
图1为适用于本申请实施例的通信方法的通信系统的示意图;
图2为本申请实施例提供的一种通信方法流程示意图;
图3为本申请实施例提供的一种通信时序示意图;
图4为本申请实施例提供的一种通信装置结构示意图;
图5为本申请实施例提供的一种通信装置结构示意图;
图6为本申请实施例提供的一种通信装置结构示意图;
图7为本申请实施例提供的一种通信装置结构示意图。
具体实施方式
下面将结合附图对本申请实施例作进一步地详细描述。
本申请实施例可以应用于各种移动通信系统,例如:新无线(new radio,NR)系统、全球移动通讯(global system of mobile communication,GSM)系统、码分多址(code division  multiple access,CDMA)系统、宽带码分多址(wideband code division multiple access,WCDMA)系统、长期演进(long term evolution,LTE)系统、先进的长期演进(advanced long term evolution,LTE-A)系统等其它通信系统,具体的,在此不做限制。
为便于理解本申请实施例,首先以图1中示出的通信系统为例详细说明适用于本申请实施例的通信系统。图1示出了适用于本申请实施例的通信方法的通信系统的示意图。如图1所示,网络设备和终端设备1~终端设备6组成一个通信系统。在该通信系统中,终端设备1~终端设备6可以发送上行数据给网络设备,网络设备也可以向终端设备1~终端设备6发送下行数据。此外,终端设备4~终端设备6也可以组成一个通信系统,此时在该通信系统中,网络设备可以将终端设备4、终端设备6的下行数据发送至终端设备5,终端设备5再转发给终端设备4、终端设备6。
具体的,本申请实施例中的终端设备,为向用户提供语音和/或数据连通性,具有无线收发功能的设备或可设置于该设备的芯片。该终端设备可以经无线接入网(radio access network,RAN)与一个或多个核心网通信。该终端设备可以是手机(mobile phone)、平板电脑(Pad)、带无线收发功能的电脑、个人数字助理(personal digital assistant,PDA)虚拟现实(virtual reality,VR)终端、增强现实(augmented reality,AR)终端、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等等。本申请的实施例对应用场景不做限定。本申请中将前述终端设备及可设置于前述终端设备的芯片统称为终端设备。本申请实施例中的终端设备,也可以称为用户设备(user equipment,UE)、用户终端(user terminal)、接入终端(access terminal)、用户单元、用户站、移动站(mobile station)、移动台(mobile)、远程站(remote station)、远程终端(remote terminal)、移动设备、无线通信设备、用户代理或用户装置。
网络设备,为具有无线收发功能的设备或可设置于该设备的芯片,该网络设备可用于将收到的空中帧与IP分组进行相互转换,作为终端设备与接入网的其余部分之间的路由器,还可用于协调对空中接口的属性管理。该设备包括但不限于:演进型节点B(evolved Node B,eNB)、无线网络控制器(radio network controller,RNC)、节点B(Node B,NB)、基站控制器(base station controller,BSC)、基站收发台(base transceiver station,BTS)、家庭基站(例如,home evolved NodeB,或home Node B,HNB)、基带单元(baseband unit,BBU),无线保真(wireless fidelity,WIFI)系统中的接入点(access point,AP)、无线中继节点、无线回传节点、传输点(transmission and reception point,TRP或者transmission point,TP)等,还可以为5G(NR)系统中的gNB或传输点(TRP或TP),5G系统中的基站的一个或一组(包括多个天线面板)天线面板等。
为了解决本申请需要解决的问题,本申请实施例提供了一种监听物理下行控制信道(physical downlink control channel,PDCCH)搜索空间(search space)的方法,下面将详细描述。
需要说明的是,“监听PDCCH搜索空间”,也可以采用其他方式描述,例如可以称为“监听PDCCH”,或者称为“监听PDCCH候选(candidate)集合”等,以上表达均是指相同的含义,为描述方便,本申请实施例中均统一称为“监听PDCCH搜索空间”。
相应的,PDCCH也可以称为“窄带物理下行控制信道(narrow physical downlink control channel,NPDCCH)”,为描述方便,本申请实施例中将PDCCH或NPDCCH均统一称为“PDCCH”。
本申请实施例描述的网络架构以及业务场景是为了更加清楚的说明本申请实施例的技术方案,并不构成对于本申请实施例提供的技术方案的限定,本领域普通技术人员可知,随着网络架构的演变和新业务场景的出现,本申请实施例提供的技术方案对于类似的技术问题,同样适用。
本申请实施例中部分场景以无线通信网络中NB-IoT网络的场景为例进行说明,应当指出的是,本申请实施例中的方案还可以应用于其他无线通信网络中,相应的名称也可以用其他无线通信网络中的对应功能的名称进行替代。
结合前面的描述,如图2所示,为本申请实施例提供的一种通信方法流程示意图。参见图2,该方法包括:
步骤201:终端设备根据PUR的配置信息确定所述终端设备能够用于上行数据传输的第一资源。
所述第一资源包括至少一个PUR,所述PUR为周期性的资源,一个PUR对应一个PUR周期,每个PUR周期中包括一个PUR。举例来说,第一资源中包括的至少一个PUR可以如图3所示。
步骤202:所述终端设备在确定所述第一资源之后,每经过第一时长,监听PDCCH搜索空间,并在所述PDCCH搜索空间中检测来自网络设备的第一指示信息。
其中,所述第一指示信息用于指示以下一项或多项:指示是否释放终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入。
一种可能的实现方式中,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,M为大于0的整数。
举例来说,终端设备与网络设备可以预先约定,当第一指示信息的取值为第一取值时,表示释放所述终端设备的所有PUR或者M个PUR;当第一指示信息的取值为第二取值时,表示不释放所述终端设备的所有PUR或者M个PUR,即表示所述终端设备的所有PUR或者M个PUR有效。
举例来说,第一指示信息用于指示释放所述终端设备的M个PUR时,表示释放终端设备接收到第一指示信息的时刻之后的M个PUR,此时,终端设备在接收到第一指示信息之后,不再使用第一指示信息之后的M个PUR。
一种可能的实现方式中,所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效。举例来说,终端设备与网络设备可以预先约定,当第一指示信息的取值为第三取值时,表示所述终端设备的所有PUR或者M个PUR有效;当第一指示信息的取值为第二取值时,表示所述终端设备的所有PUR或者M个PUR无效,即表示释放所述终端设备的所有PUR或者M个PUR。
举例来说,第一指示信息用于指示所述终端设备的M个PUR有效时,表示终端设备接收到第一指示信息的时刻之后的M个PUR有效,此时,终端设备在接收到第一指示信息之后,可以使用第一指示信息之后的M个PUR,但是从第M+1个PUR开始的PUR,终端设备不能使用。
一种可能的实现方式中,所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR。具体如何重配置所述终端设备的所有PUR或者M个PUR,在此并不限定。当第一指示信息用于重配置所述终端设备的M个PUR时,所述M个PUR可以是指终端设备在接收到第一指示信息的时刻之后的M个PUR。
一种可能的实现方式中,所述第一指示信息用于指示所述终端设备发起随机接入。例如,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述第一指示信息可以为PDCCH命令(order)。
当所述第一指示信息用于指示所述终端设备发起随机接入时,如果所述终端设备在所述PDCCH搜索空间中检测到所述第一指示信息,所述终端设备则可以根据所述第一指示信息发起随机接入。
第一种实现方式中,所述终端设备在所述随机接入过程中,可以接收来自所述网络设备的第二指示信息;其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
第二种实现方式中,所述终端设备可以通过所述随机接入过程与所述网络设备建立连接后,接收来自所述网络设备的第二指示信息。
步骤203:网络设备为终端设备确定第一资源。
所述第一资源包括至少一个预配置的上行资源PUR,所述PUR为周期性的资源。
步骤204:所述网络设备确定所述第一资源之后,每经过第一时长,所述网络设备确定第一指示信息,并在PDCCH搜索空间中发送所述第一指示信息。
步骤201中,PUR的配置信息可以为网络设备通过无线资源控制(radio resource control,RRC)消息发送的,也可以通过其他方式通知终端设备,本申请实施例对此并不限定。
PUR的配置信息可以指示出第一资源中包括的资源数量、占用的带宽等,本申请实施例并不限定PUR的配置信息的具体内容,在此不再赘述。
步骤202中,第一时长可以为N个PUR周期对应的时长,每个PUR周期中包括一个PUR,N为大于0的整数。N可以为网络设备配置的值,也可以为网络设备与终端设备约定的值,本申请实施例对此并不限定。
如前所述,由于第一时长可以为N个PUR周期对应的时长,本申请实施例中,所述终端设备可以在接收到来自所述网络设备的第三指示信息时,启动计数器,并设置所述计数器的初值为1;每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,不论终端设备是否在第二资源上发送上行数据,所述终端设备监听所述PDCCH搜索空间。其中,所述第二资源为所述第一时长中的最后一个PUR。所述第三指示信息用于为所述终端设备配置至少一个PUR。一种可能的实现方式中,第三指示信息可以为步骤201中的PUR的配置信息。
示例性的,一种可能的实现方式中,在计数器计数的过程中,终端设备确定满足第一预设条件时,可以将计数器重置为1。通过这种方法,可以降低终端设备监听PDCCH搜索空间的频率,从而进一步降低终端设备的功耗。
一种可能的实现方式中,第一预设条件为以下任一项,或者至少一项的组合:
条件一,所述计数器的计数值为N;当计数器的计数值为N时,表示终端设备已经跳过至少N个PUR没有传输数据,此时终端设备可以监听PDCCH搜索空间,从而确定网 络设备为终端设备预配置的上行资源是否仍然有效。
条件二,所述终端设备发送上行数据;示例性的,所述终端设备通过第一资源中的PUR发送上行数据。按照现有技术,当终端设备发送上行数据之后,需要监听PDCCH搜索空间,以便在PDCCH搜索空间中检测网络设备是否发送所述上行数据的确认(acknowledge)消息,因此终端设备在发送上行数据之后,可以将计数器重置为初始值1,降低终端设备监听PDCCH搜索空间的频率,降低终端设备的功耗。
条件三,所述终端设备接收到来自所述网络设备的第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。举例来说,终端设备在一个PUR中发送上行数据后,网络设备在接收到该上行数据时,可以反馈第四指示信息。终端设备根据第四指示信息可以确定,终端设备的所有PUR或者K个PUR仍然有效,因此在计数器当前的计数周期内不需要再监听PDCCH搜索空间,从而可以将计数器重置为初始值1,降低终端设备监听PDCCH搜索空间的频率,降低终端设备的功耗。
当然,以上只是示例,第一预设条件还可以包括其他条件,在此不再逐一举例说明。
本申请实施例中,每经过第一时长,终端设备在第一时长的结束时刻开始监听PDCCH搜索空间。当终端设备通过计数器确定第一时长时,终端设备在计数器计数的值为N时,开始监听PDCCH搜索空间,监听PDCCH搜索空间的时长可以为网络设备配置的时长或预先约定的时长。一种可能的实现方式中,当终端设备在第二资源中发送上行数据时,所述终端设备可以在所述第二资源之后的第二时长内监听所述PDCCH搜索空间。举例来说,终端设备在第二资源中发送上行数据后开启定时器,并在该定时器超时(expire)或停止(stop)之前,监听所述PDCCH搜索空间。其中,该定时器的定时时长为第二时长,第二时长为网络设备配置的时长或预先约定的时长。
一种可能的实现方式中,终端设备在第二资源中未发送上行数据时,所述终端设备在所述第二资源之后的第三时长内监听所述PDCCH搜索空间。举例来说,终端设备在第二资源结束时刻开启定时器,并在该定时器超时或停止之前,监听所述PDCCH搜索空间。其中,该定时器的定时时长为第三时长,第三时长也是网络设备配置的时长或预先约定的时长,且所述第二时长可以大于或等于所述第三时长。
上面的方法中,终端设备在第二资源中未发送上行数据的情况下,网络设备就不需要处理终端设备的上行数据,如果网络设备需要发送第一指示信息,从而可以在较短的时间内发送第一指示信息。因此终端设备在第二资源中未发送上行数据的情况下,可以减少监听PDCCH搜索空间的时长,降低终端设备的功耗。
一种可能的实现方式中,当所述终端设备在所述PDCCH搜索空间中检测到所述第一指示信息时,所述终端设备可以向所述网络设备发送确认消息,确认消息用于指示已经成功接收第一指示信息。通过这种方法,网络设备可以确定终端设备是否成功接收第一指示信息。
一种可能的实现方式中,当所述终端设备在所述PDCCH搜索空间中未检测到所述第一指示信息时,所述终端设备确定所述终端设备的所有PUR继续有效。或者,在另一种可能的实现方式中,当所述终端设备在所述PDCCH搜索空间中未检测到所述第一指示信息时,所述终端设备确定所述终端设备的所有PUR被释放。
步骤203中,网络设备具体如何为终端设备确定第一资源,本申请实施例对此并不限 定,在此不再赘述。
步骤204中,网络设备确定所述第一资源之后,可以向终端设备发送第三指示信息,网络设备在发送第三指示信息时,启动计数器,并设置所述计数器的初值为1;
每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,所述网络设备在PDCCH搜索空间中发送第一指示信息。
第一指示信息的具体内容,可以参考步骤201中的描述,在此不再赘述。需要说明的是,当所述第一指示信息为PDCCH命令时,如果终端设备根据所述第一指示信息发起随机接入,在第一种实现方式中,网络设备可以在随机接入过程的消息4中携带第二指示信息,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。第二种实现方式中,网络设备可以通过随机接入与终端设备建立连接后,向终端设备发送第二指示信息,此时第二指示信息可以通过无线资源控制(radio resource control,RRC)消息携带。
示例性的,一种可能的实现方式中,当所述第一指示信息为PDCCH命令时,网络设备可以通过下行控制信息(downlink control information,DCI)携带所述第一指示信息。DCI的格式可以为DCI format N1。
另一种可能的实现方式中,当第一指示信息用于指示是否释放所述终端设备的PUR,或者用于指示所述终端设备的PUR是否有效,或者用于指示重配置所述终端设备的PUR时,携带第一指示信息的DCI的格式,可以为除了现有技术中的DCI format N0与DCI format N1之外的格式,即重新设计的一个格式。可选的,为了不增加终端设备检测第一指示信息的复杂度,重新设计的DCI的位宽与DCI format N1一样,都是23bit。当终端设备在PDCCH搜索空间中检测到该DCI携带的第一指示信息时,所述终端设备可以向所述网络设备发送确认消息。当所述终端设备在所述PDCCH搜索空间中未检测到该DCI携带的第一指示信息时,所述终端设备可以确定所述终端设备的所有PUR继续有效或被释放。
示例性的,一种可能的实现方式中,在计数器计数的过程中,网络设备确定满足第二预设条件时,重置所述计数器的值为1。通过这种方法,可以降低发送第一指示信息的频率,从而提高资源利用率。
一种可能的实现方式中,第二预设条件为以下任一项,或者至少一项的组合:
条件一,所述计数器的计数值为N;
条件二,网络设备接收来自所述终端设备的上行数据。
条件三,网络设备向所述终端设备发送第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
当然,以上只是示例,第二预设条件还可以包括其他条件,在此不再逐一举例说明。
如图4所示,为本申请实施例提供一种通信装置的结构示意图。该通信装置可以用于执行上述各方法实施例中终端设备的动作,该通信装置400包括:收发模块401和处理模块402。
处理模块402,用于根据网络设备预配置的上行资源PUR的配置信息确定终端设备能够用于上行数据传输的第一资源,所述第一资源包括至少一个PUR,所述PUR为周期性的资源;
所述处理模块402,还用于在确定所述第一资源之后,每经过第一时长,通过所述收发模块401监听物理下行控制信道PDCCH搜索空间;
所述处理模块402通过所述收发模块401在所述PDCCH搜索空间中检测来自网络设备的第一指示信息,所述第一指示信息用于指示以下一项或多项:指示是否释放所述终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入。
一种可能的设计中,所述处理模块402还用于通过所述收发模块401在第二资源中发送上行数据时,所述处理模块402通过所述收发模块401在所述第二资源之后的第二时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;
或者,所述处理模块402未通过所述收发模块401在所述第二资源中发送上行数据时,所述处理模块402通过所述收发模块401在所述第二资源之后的第三时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;其中,所述第二时长大于或等于所述第三时长。
一种可能的设计中,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机接入,M为大于0的整数。
一种可能的设计中,所述第一指示信息用于指示释放所述终端设备的所有PUR或者M个PUR时,所述终端设备将接收到所述第一指示信息的时刻开始的所有PUR或者M个PUR释放。
一种可能的设计中,所述处理模块402还用于,当所述第一指示信息用于指示所述终端设备发起随机接入,且所述终端设备在所述PDCCH搜索空间中检测到所述第一指示信息时,根据所述第一指示信息发起随机接入;
所述收发模块401,在所述随机接入过程中,接收来自所述网络设备的第二指示信息;或者,所述收发模块401在所述处理模块402通过所述随机接入过程与所述网络设备建立连接后,接收来自所述网络设备的第二指示信息;
其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
一种可能的设计中,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述第一指示信息为PDCCH命令。
一种可能的设计中,所述第一时长为N个PUR周期对应的时长,N为大于0的整数。
一种可能的设计中,所述处理模块402具体用于:
在所述收发模块401接收到来自所述网络设备的第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;
每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,通过所述收发模块401监听所述PDCCH搜索空间。
一种可能的设计中,当满足第一预设条件时,所述处理模块402重置所述计数器的值为1;
所述第一预设条件包括以下一项或多项:
所述计数器的计数值为N;
所述收发模块401发送上行数据;
所述收发模块401接收到来自所述网络设备的第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
一种可能的设计中,所述处理模块402在所述PDCCH搜索空间中检测到所述第一指示信息时,通过所述收发模块401向所述网络设备发送确认消息。
一种可能的设计中,所述处理模块402在所述PDCCH搜索空间中未检测到所述第一指示信息时,通过所述收发模块401确定所述终端设备的所有PUR继续有效。
图5是本申请实施例提供的一种终端设备的结构示意图。图5所示的终端设备可以为图4所示的通信装置的一种硬件电路的实现方式。该终端设备可适用于上述所示出的流程图中,执行上述方法实施例中终端设备的功能。为了便于说明,图5仅示出了终端设备的主要部件。可选的,该终端设备也可以是终端设备中的装置,如芯片或者芯片系统,其中所述芯片系统包含至少一个芯片,所述芯片系统还可以包括其他电路结构和/或分立器件。如图5所示,终端设备500包括处理器501、存储器502、收发器503、天线504以及输入输出装置505。处理器501主要用于对通信协议以及通信数据进行处理,以及对整个无线通信装置进行控制,执行软件程序,处理软件程序的数据,例如用于支持无线通信装置执行上述方法实施例中所描述的动作等。存储器502主要用于存储软件程序和数据。收发器503主要用于基带信号与射频信号的转换以及对射频信号的处理。天线504主要用于收发电磁波形式的射频信号。输入输出装置505,例如触摸屏、显示屏,键盘等主要用于接收用户输入的数据以及对用户输出数据。
处理器501,用于根据网络设备预配置的上行资源PUR的配置信息确定终端设备能够用于上行数据传输的第一资源,所述第一资源包括至少一个PUR,所述PUR为周期性的资源;
所述处理器501,还用于在确定所述第一资源之后,每经过第一时长,通过所述收发器503监听物理下行控制信道PDCCH搜索空间;
所述处理器501通过所述收发器503在所述PDCCH搜索空间中检测来自网络设备的第一指示信息,所述第一指示信息用于指示以下一项或多项:指示是否释放所述终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入。
一种可能的设计中,所述处理器501还用于通过所述收发器503在第二资源中发送上行数据时,所述处理器501通过所述收发器503在所述第二资源之后的第二时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;
或者,所述处理器501未通过所述收发器503在所述第二资源中发送上行数据时,所述处理器501通过所述收发器503在所述第二资源之后的第三时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;其中,所述第二时长大于或等于所述第三时长。
一种可能的设计中,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机接入,M为大于0的整数。
一种可能的设计中,所述处理器501还用于,当所述第一指示信息用于指示所述终端设备发起随机接入,且在所述PDCCH搜索空间中检测到所述第一指示信息时,根据所述第一指示信息发起随机接入;
所述收发器503,在所述随机接入过程中,接收来自所述网络设备的第二指示信息;或者,所述收发器503在所述处理器501通过所述随机接入过程与所述网络设备建立连接后,接收来自所述网络设备的第二指示信息;
其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
一种可能的设计中,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述第一指示信息为PDCCH命令。
一种可能的设计中,所述第一时长为N个PUR周期对应的时长,N为大于0的整数。
一种可能的设计中,所述处理器501具体用于:
在所述收发器503接收到来自所述网络设备的第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;
每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,通过所述收发器503监听所述PDCCH搜索空间。
一种可能的设计中,当满足第一预设条件时,所述处理器501重置所述计数器的值为1;
所述第一预设条件包括以下一项或多项:
所述计数器的计数值为N;
所述收发器503发送上行数据;
所述收发器503接收到来自所述网络设备的第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
一种可能的设计中,当所述处理器501在所述PDCCH搜索空间中检测到所述第一指示信息时,所述收发器503向所述网络设备发送确认消息。
一种可能的设计中,当所述处理器501在所述PDCCH搜索空间中未检测到所述第一指示信息时,所述收发器503确定所述终端设备的所有PUR继续有效。
一种可能的设计中,所述处理器501在所述PDCCH搜索空间中检测到所述第一指示信息时,通过所述收发器503向所述网络设备发送确认消息。
一种可能的设计中,所述处理器501在所述PDCCH搜索空间中未检测到所述第一指示信息时,通过所述收发器503确定所述终端设备的所有PUR继续有效。
如图6所示,为本申请实施例提供一种通信装置的结构示意图。该通信装置可以用于执行上述各方法实施例中网络设备的动作,该通信装置600包括:收发模块601和处理模块602。
处理模块602,用于为终端设备确定第一资源,所述第一资源包括至少一个预配置的上行资源PUR,所述PUR为周期性的资源;确定所述第一资源之后,每经过第一时长,所述网络设备确定第一指示信息;所述第一指示信息用于指示以下一项或多项:指示是否释放终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入;
收发模块601,用于在物理下行控制信道PDCCH搜索空间中发送所述第一指示信息。
一种可能的设计中,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机接入,M为大于0的整数。
一种可能的设计中,所述收发模块601还用于,当所述第一指示信息用于指示所述终端设备发起随机接入时,在所述随机接入过程中,向所述终端设备发送第二指示信息;
或者,在所述处理模块602通过所述随机接入过程与所述终端设备建立连接后,向所述终端设备发送所述第二指示信息;
其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
一种可能的设计中,所述第一时长为N个PUR周期对应的时长,N为大于0的整数。
一种可能的设计中,所述处理模块602具体用于:
在所述收发模块601向所述终端设备发送第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;
每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,确定第一指示信息。
一种可能的设计中,当满足第二预设条件时,所述处理模块602重置所述计数器的值为1;
所述第二预设条件包括以下一项或多项:
所述计数器的计数值为N;
所述收发模块601接收来自所述终端设备的上行数据;
所述收发模块601向所述终端设备发送第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
图7是本申请实施例提供的一种网络设备的结构示意图。图7所示的通信装置可以为图6所示的通信装置的一种硬件电路的实现方式。该通信装置可适用于图2所示出的流程图中,执行上述方法实施例中网络设备的功能。为了便于说明,图7仅示出了通信装置的主要部件。可选的,该通信装置可以是网络设备,也可以是网络设备中的装置,如芯片或者芯片系统,其中所述芯片系统包含至少一个芯片,所述芯片系统还可以包括其他电路结构和/或分立器件。可选的,以该通信装置为网络设备为例,如图7所示,网络设备700包括处理器701、存储器702、收发器703、天线704等。
处理器701,用于为终端设备确定第一资源,所述第一资源包括至少一个预配置的上行资源PUR,所述PUR为周期性的资源;确定所述第一资源之后,每经过第一时长,所述网络设备确定第一指示信息;所述第一指示信息用于指示以下一项或多项:指示是否释放终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入;
收发器703,用于在物理下行控制信道PDCCH搜索空间中发送所述第一指示信息。
一种可能的设计中,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR 是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机接入,M为大于0的整数。
一种可能的设计中,所述收发器703还用于,当所述第一指示信息用于指示所述终端设备发起随机接入时,在所述随机接入过程中,向所述终端设备发送第二指示信息;
或者,在所述处理器701通过所述随机接入过程与所述终端设备建立连接后,向所述终端设备发送所述第二指示信息;
其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
一种可能的设计中,所述第一时长为N个PUR周期对应的时长,N为大于0的整数。
一种可能的设计中,所述处理器701具体用于:
在所述收发器703向所述终端设备发送第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;
每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,确定第一指示信息。
一种可能的设计中,当满足第二预设条件时,所述处理器701重置所述计数器的值为1;
所述第二预设条件包括以下一项或多项:
所述计数器的计数值为N;
所述收发器703接收来自所述终端设备的上行数据;
所述收发器703向所述终端设备发送第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
本领域内的技术人员应明白,本申请的实施例可提供为方法、系统、或计算机程序产品。因此,本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
显然,本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的范围。这样,倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内,则本申请也意图包含这些改动和变型在内。

Claims (36)

  1. 一种通信方法,其特征在于,包括:
    终端设备根据网络设备预配置的上行资源PUR的配置信息确定所述终端设备能够用于上行数据传输的第一资源,所述第一资源包括至少一个PUR,所述PUR为周期性的资源;
    所述终端设备在确定所述第一资源之后,每经过第一时长,监听物理下行控制信道PDCCH搜索空间;
    所述终端设备在所述PDCCH搜索空间中检测来自网络设备的第一指示信息,所述第一指示信息用于指示以下一项或多项:指示是否释放所述终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入。
  2. 根据权利要求1所述的方法,其特征在于,在检测所述第一指示信息之前,所述方法还包括:
    当所述终端设备在第二资源中发送上行数据时,所述终端设备在所述第二资源之后的第二时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;
    或者,当所述终端设备未在所述第二资源中发送上行数据时,所述终端设备在所述第二资源之后的第三时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;其中,所述第二时长大于或等于所述第三时长。
  3. 根据权利要求1或2所述的方法,其特征在于,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机接入,M为大于0的整数。
  4. 根据权利要求3所述的方法,其特征在于,所述第一指示信息用于指示释放所述终端设备的所有PUR或者M个PUR时,所述方法进一步包括:所述终端设备将接收到所述第一指示信息的时刻开始的所有PUR或者M个PUR释放。
  5. 根据权利要求3所述的方法,其特征在于,当所述第一指示信息用于指示所述终端设备发起随机接入,且所述终端设备在所述PDCCH搜索空间中检测到所述第一指示信息时,所述方法进一步包括:
    所述终端设备根据所述第一指示信息发起随机接入;
    所述终端设备在所述随机接入过程中,接收来自所述网络设备的第二指示信息;
    或者,所述终端设备通过所述随机接入过程与所述网络设备建立连接后,接收来自所述网络设备的第二指示信息;
    其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
  6. 根据权利要求1至5任一所述的方法,其特征在于,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述第一指示信息为PDCCH命令。
  7. 根据权利要求1至6任一所述的方法,其特征在于,所述第一时长为N个PUR周 期对应的时长,N为大于0的整数。
  8. 根据权利要求7所述的方法,其特征在于,所述每经过第一时长,终端设备监听窄带物理下行控制信道PDCCH搜索空间,包括:
    所述终端设备接收到来自所述网络设备的第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;
    每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,所述终端设备监听所述PDCCH搜索空间。
  9. 根据权利要求8所述的方法,其特征在于,当满足第一预设条件时,所述终端设备重置所述计数器的值为1;
    所述第一预设条件包括以下一项或多项:
    所述计数器的计数值为N;
    所述终端设备发送上行数据;
    所述终端设备接收到来自所述网络设备的第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
  10. 根据权利要求1至9任一所述的方法,其特征在于,所述方法进一步包括:当所述终端设备在所述PDCCH搜索空间中检测到所述第一指示信息时,所述终端设备向所述网络设备发送确认消息。
  11. 根据权利要求1至10任一所述的方法,其特征在于,所述方法进一步包括:当所述终端设备在所述PDCCH搜索空间中未检测到所述第一指示信息时,所述终端设备确定所述终端设备的所有PUR继续有效。
  12. 一种通信方法,其特征在于,包括:
    网络设备为终端设备确定第一资源,所述第一资源包括至少一个预配置的上行资源PUR,所述PUR为周期性的资源;
    所述网络设备确定所述第一资源之后,每经过第一时长,所述网络设备确定第一指示信息;所述第一指示信息用于指示以下一项或多项:指示是否释放终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入;
    所述网络设备在物理下行控制信道PDCCH搜索空间中发送所述第一指示信息。
  13. 根据权利要求12所述的方法,其特征在于,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机接入,M为大于0的整数。
  14. 根据权利要求12所述的方法,其特征在于,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述方法还包括:
    所述网络设备在所述随机接入过程中,向所述终端设备发送第二指示信息;
    或者,所述网络设备通过所述随机接入过程与所述终端设备建立连接后,向所述终端设备发送所述第二指示信息;
    其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端 设备的PUR。
  15. 根据权利要求12至14任一所述的方法,其特征在于,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述第一指示信息为PDCCH命令。
  16. 根据权利要求12至15任一所述的方法,其特征在于,所述第一时长为N个PUR周期对应的时长,N为大于0的整数。
  17. 根据权利要求16所述的方法,其特征在于,所述每经过第一时长,所述网络设备确定第一指示信息,包括:
    所述网络设备向所述终端设备发送第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;
    每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,所述网络设备确定第一指示信息。
  18. 根据权利要求17所述的方法,其特征在于,当满足第二预设条件时,所述网络设备重置所述计数器的值为1;
    所述第二预设条件包括以下一项或多项:
    所述计数器的计数值为N;
    接收来自所述终端设备的上行数据;
    所述网络设备向所述终端设备发送第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
  19. 一种通信装置,其特征在于,包括:
    处理模块,用于根据网络设备预配置的上行资源PUR的配置信息确定终端设备能够用于上行数据传输的第一资源,所述第一资源包括至少一个PUR,所述PUR为周期性的资源;
    所述处理模块,还用于在确定所述第一资源之后,每经过第一时长,通过所述收发模块监听物理下行控制信道PDCCH搜索空间;
    所述处理模块通过所述收发模块在所述PDCCH搜索空间中检测来自网络设备的第一指示信息,所述第一指示信息用于指示以下一项或多项:指示是否释放所述终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入。
  20. 根据权利要求19所述的装置,其特征在于,所述处理模块还用于通过所述收发模块在第二资源中发送上行数据时,所述处理模块通过所述收发模块在所述第二资源之后的第二时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;
    或者,所述处理模块未通过所述收发模块在所述第二资源中发送上行数据时,所述处理模块通过所述收发模块在所述第二资源之后的第三时长内监听所述PDCCH搜索空间;所述第二资源为所述第一时长中的最后一个PUR;其中,所述第二时长大于或等于所述第三时长。
  21. 根据权利要求19或20所述的装置,其特征在于,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机 接入,M为大于0的整数。
  22. 根据权利要求21所述的装置,其特征在于,所述第一指示信息用于指示释放所述终端设备的所有PUR或者M个PUR时,所述终端设备将接收到所述第一指示信息的时刻开始的所有PUR或者M个PUR释放。
  23. 根据权利要求21所述的装置,其特征在于,所述处理模块还用于,当所述第一指示信息用于指示所述终端设备发起随机接入,且所述终端设备在所述PDCCH搜索空间中检测到所述第一指示信息时,根据所述第一指示信息发起随机接入;
    所述收发模块,在所述随机接入过程中,接收来自所述网络设备的第二指示信息;或者,所述收发模块在所述处理模块通过所述随机接入过程与所述网络设备建立连接后,接收来自所述网络设备的第二指示信息;
    其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
  24. 根据权利要求19至23任一所述的装置,其特征在于,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述第一指示信息为PDCCH命令。
  25. 根据权利要求19至24任一所述的装置,其特征在于,所述第一时长为N个PUR周期对应的时长,N为大于0的整数。
  26. 根据权利要求25所述的装置,其特征在于,所述处理模块具体用于:
    在所述收发模块接收到来自所述网络设备的第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;
    每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,通过所述收发模块监听所述PDCCH搜索空间。
  27. 根据权利要求26所述的装置,其特征在于,当满足第一预设条件时,所述处理模块重置所述计数器的值为1;
    所述第一预设条件包括以下一项或多项:
    所述计数器的计数值为N;
    所述收发模块发送上行数据;
    所述收发模块接收到来自所述网络设备的第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
  28. 根据权利要求19至27任一所述的装置,其特征在于,所述处理模块在所述PDCCH搜索空间中检测到所述第一指示信息时,通过所述收发模块向所述网络设备发送确认消息。
  29. 根据权利要求19至27任一所述的装置,其特征在于,所述处理模块在所述PDCCH搜索空间中未检测到所述第一指示信息时,通过所述收发模块确定所述终端设备的所有PUR继续有效。
  30. 一种通信装置,其特征在于,包括:
    处理模块,用于为终端设备确定第一资源,所述第一资源包括至少一个预配置的上行资源PUR,所述PUR为周期性的资源;确定所述第一资源之后,每经过第一时长,确定第一指示信息;所述第一指示信息用于指示以下一项或多项:指示是否释放终端设备的PUR;指示所述终端设备的PUR是否有效;指示重配置所述终端设备的PUR;指示所述终端设备发起随机接入;
    收发模块,用于在物理下行控制信道PDCCH搜索空间中发送所述第一指示信息。
  31. 根据权利要求30所述的装置,其特征在于,所述第一指示信息用于指示是否释放所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备的所有PUR或者M个PUR是否有效,或者所述第一指示信息用于重配置所述终端设备的所有PUR或者M个PUR,或者所述第一指示信息用于指示所述终端设备发起随机接入,M为大于0的整数。
  32. 根据权利要求30所述的装置,其特征在于,所述收发模块还用于,当所述第一指示信息用于指示所述终端设备发起随机接入时,在所述随机接入过程中,向所述终端设备发送第二指示信息;
    或者,在所述处理模块通过所述随机接入过程与所述终端设备建立连接后,向所述终端设备发送所述第二指示信息;
    其中,所述第二指示信息用于指示是否释放所述终端设备的PUR,或者所述第二指示信息用于指示所述终端设备的PUR是否有效,或者所述第二指示信息用于重配置所述终端设备的PUR。
  33. 根据权利要求30至32任一所述的装置,其特征在于,当所述第一指示信息用于指示所述终端设备发起随机接入时,所述第一指示信息为PDCCH命令。
  34. 根据权利要求30至33任一所述的装置,其特征在于,所述第一时长为N个PUR周期对应的时长,N为大于0的整数。
  35. 根据权利要求30所述的装置,其特征在于,所述处理模块具体用于:
    在所述收发模块向所述终端设备发送第三指示信息时,启动计数器,并设置所述计数器的初值为1;所述第三指示信息用于为所述终端设备配置至少一个PUR;
    每经过一个PUR周期,所述计数器的计数值加1,当所述计数器的计数值为N时,确定第一指示信息。
  36. 根据权利要求35所述的装置,其特征在于,当满足第二预设条件时,所述处理模块重置所述计数器的值为1;
    所述第二预设条件包括以下一项或多项:
    所述计数器的计数值为N;
    所述收发模块接收来自所述终端设备的上行数据;
    所述收发模块向所述终端设备发送第四指示信息,所述第四指示信息用于指示所述终端设备的所有PUR或者K个PUR有效,K为大于0的整数。
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