WO2014094212A1 - Procédé, dispositif et système de surveillance répartie dans le temps - Google Patents

Procédé, dispositif et système de surveillance répartie dans le temps Download PDF

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Publication number
WO2014094212A1
WO2014094212A1 PCT/CN2012/086792 CN2012086792W WO2014094212A1 WO 2014094212 A1 WO2014094212 A1 WO 2014094212A1 CN 2012086792 W CN2012086792 W CN 2012086792W WO 2014094212 A1 WO2014094212 A1 WO 2014094212A1
Authority
WO
WIPO (PCT)
Prior art keywords
cell
monitoring
physical channel
starting time
user equipment
Prior art date
Application number
PCT/CN2012/086792
Other languages
English (en)
Chinese (zh)
Inventor
曹振臻
熊新
薛丽霞
宋巍巍
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.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/086792 priority Critical patent/WO2014094212A1/fr
Priority to CN201280024027.3A priority patent/CN104012163B/zh
Publication of WO2014094212A1 publication Critical patent/WO2014094212A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point

Definitions

  • the present invention relates to the field of communications, and in particular, to a time-sharing method, device, and system. Background technique
  • the control plane connection of the UE may be maintained in the device of the macro cell, and the user plane transmission is maintained in the small cell.
  • the UE can utilize both the wide bandwidth of the small cell for data transmission and the complex mobility management problem when the UE moves between the small cells.
  • QoS quality of service
  • the working frequency used by the above macro cell and small cell may be the same frequency or different frequency.
  • the working frequency of the macro cell and the small cell is different frequency, for the UE with only one radio frequency (RF), the UE Only one cell can be monitored.
  • the working frequency of the macro cell and the small cell are the same frequency, the UE can monitor the two cells in a time-sharing manner, but the monitoring time arrangement of the monitoring macro cell and the monitoring small cell in the process of monitoring the two cells in the current UE time-sharing is unreasonable. This leads to a lower utilization of network resources. Summary of the invention
  • the embodiment of the invention provides a time-sharing monitoring method, device and system, which can improve the utilization of network resources.
  • the embodiment of the present invention provides a time-sharing monitoring method, device, and system, so as to reasonably arrange the listening time of monitoring the first cell and monitoring the second cell in the process of monitoring the two cells in time sharing by the UE, Improve the utilization of network resources.
  • the present invention provides a time-sharing monitoring method, including: Obtaining information for monitoring a start time of the first cell;
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the method further includes:
  • the step of monitoring the physical channel of the first cell is continued until the monitoring state of the physical channel of the first cell is monitored. Set conditions.
  • the preset condition includes any one of the following:
  • the number of subframes that listen to the physical channel of the first cell is equal to a preset threshold
  • the time for continuously monitoring the first cell is equal to a preset duration
  • the method when the preset condition includes: monitoring, the number of subframes of the physical channel of the first cell is equal to a preset threshold, Before the physical channel of the first cell is monitored, the method further includes:
  • a threshold value of the number of subframes of the physical channel that is sent by the device of the first cell that is to be monitored by the device of the first cell where the threshold value of the number of subframes is the preset threshold.
  • the monitoring the physical channel of the first cell includes: Listening to the physical channel of the first cell, and acquiring data on the physical channel; after the obtaining the data on the physical channel, before the monitoring of the first cell, the method further includes:
  • a fifth possible implementation manner when the preset condition includes the protocol data unit of the medium access control layer of the decoded data packet is incorrect, and The retransmission timer expires in the continuous receiving mechanism.
  • the method further includes:
  • the retransmission timer in the discontinuous reception mechanism is turned on for timing.
  • the method when the preset condition includes: continuously monitoring the time of the first cell is equal to a preset duration, before the physical channel of the first cell, the method further includes:
  • the acquiring is used to monitor the first
  • the information of the starting moment of the cell includes:
  • the acquiring is used for monitoring
  • the information of the starting moment of a cell includes:
  • the device of the first cell And receiving, by the device of the first cell, a discontinuous reception parameter for monitoring the first cell, where the discontinuous reception parameter includes a start time of listening to the first cell in a discontinuous reception period.
  • the acquiring is used to monitor the first cell.
  • the starting moment information includes: Receiving the monitoring period information and the starting time offset value information of the first cell sent by the device of the first cell;
  • the acquiring is used to monitor the first cell.
  • the starting moment information includes:
  • the listening to the first cell Before the physical channel further includes:
  • the method further includes:
  • Ending listening to the physical channel of the first cell, and listening to the physical channel of the second cell includes:
  • the method further includes:
  • the end listening to the physical channel of the first cell, and listening to the physical channel of the second cell includes: Ending the monitoring of the physical channel of the first cell, using a preset timing value as the starting value of the timer for monitoring the second cell, and running the timer for monitoring the second cell And listening to the physical channel of the second cell.
  • the present invention provides a time-sharing monitoring method, including:
  • the device monitors that the listening state of the physical channel of the first cell meets a preset condition the user equipment ends listening to the physical channel of the first cell and listening to the physical channel of the second cell.
  • the sending, by the user equipment, information for monitoring a start time of the first cell includes:
  • the sending, by the user equipment, information for monitoring a start time of the first cell includes:
  • the method further includes:
  • the sending, by the user equipment, information for monitoring a start time of the first cell includes:
  • the discontinuous reception parameter includes a starting moment of listening to the first cell in a discontinuous reception period, so that the user equipment When the start time arrives, the physical channel of the first cell is monitored, and the monitoring station is entered.
  • the user equipment ends listening to the physical channel of the first cell, and listens to the physical channel of the second cell.
  • a user equipment provided by the present invention includes: an acquiring unit, a first listening unit, and a second monitoring unit, where:
  • the acquiring unit is configured to acquire information for monitoring a start time of the first cell
  • the first intercepting unit is configured to: when the starting time acquired by the acquiring unit arrives, monitor a physical channel of the first cell;
  • the second intercepting unit is configured to: when listening to the monitoring state of the physical channel of the first cell, meet the preset condition, end listening to the physical channel of the first cell, and listening to the physical channel of the second cell.
  • the first monitoring unit is further configured to continue to perform monitoring when the listening state of the physical channel of the first cell cannot meet the preset condition.
  • the physical channel of the cell until the listening state of the physical channel listening to the first cell satisfies a preset condition.
  • the method further includes:
  • the step of monitoring the physical channel of the first cell is continued until the monitoring state of the physical channel of the first cell is monitored. Set conditions.
  • the preset condition that the second monitoring unit listening state meets includes any one of the following:
  • the number of subframes that listen to the physical channel of the first cell is equal to a preset threshold
  • the time for continuously monitoring the first cell is equal to a preset duration
  • the device further includes: a first receiving unit, configured to: when the preset condition includes that the number of subframes of the physical channel of the first cell is equal to a preset threshold, the device that receives the first cell sends the first cell to listen to The threshold of the number of subframes of the physical channel, and the threshold of the number of subframes is the preset threshold.
  • the device further includes:
  • a decoding unit configured to: when the preset condition includes a protocol data unit of a medium access control layer that correctly decodes the acquired data packet, or includes a protocol data unit of a medium access control layer that decodes the acquired data packet is incorrect, and The retransmission timer expires in the continuous receiving mechanism, or includes that the protocol data unit of the medium access control layer of the decoded data packet is incorrect, and the number of times of the data packet transmission is equal to the preset maximum number of times of the data packet transmission. Decoding the protocol data unit of the medium access control layer of the data packet acquired by the first listening unit;
  • the first monitoring unit is further configured to: when the preset condition includes correctly decoding a protocol data unit of the medium access control layer of the acquired data packet, or include a protocol data unit of the medium access control layer of the decoded data packet Correct, and the retransmission timer expires in the discontinuous reception mechanism, or includes the protocol data unit of the medium access control layer that decodes the acquired data packet is incorrect, and the number of times of the data packet transmission is equal to the preset data packet When the maximum number of transmissions is made, the physical channel of the first cell is monitored, and data is acquired on the physical channel.
  • the device further includes:
  • a timing unit configured to: when the preset condition includes that the protocol data unit of the medium access control layer of the decoded data packet is incorrect, and the retransmission timer expires in the discontinuous reception mechanism, and the first intercepting unit decodes When the protocol data unit of the medium access control layer of the obtained data packet is incorrect, the retransmission timer in the discontinuous reception mechanism is turned on for timing.
  • the device further includes:
  • the second receiving unit is configured to: when the preset condition includes: continuously monitoring the time of the first cell is equal to a preset duration, and receiving, by the device receiving the first cell, the duration of continuously monitoring the first cell The duration of the continuous monitoring of the first cell is the preset duration.
  • the acquiring unit is further configured to: when the preset condition includes the end of data transmission with the device of the first cell, Obtaining data that needs to be transmitted by the device of the first cell, where the data acquisition time is a starting time for monitoring the first cell.
  • the acquiring unit is further configured to: when the preset condition includes entering a discontinuous reception state of listening to the first cell, Receiving, by the device of the first cell, a discontinuous reception parameter for monitoring the first cell, where the discontinuous reception parameter includes a start time of listening to the first cell in a discontinuous reception period.
  • the acquiring unit includes:
  • a receiving subunit configured to receive, by the device of the first cell, the monitoring period information and the starting time offset value information of the first cell;
  • a calculating unit configured to calculate, according to the monitoring period information and the starting time offset value information received by the receiving subunit, a starting moment for monitoring the first cell.
  • the acquiring unit is further configured to receive the Transmitting, by the device of the second cell, an indication message that includes monitoring a start time of the first cell;
  • the acquiring unit is further configured to receive an indication message that is sent by the device of the second cell, where the indication message is used to indicate that the first cell is being monitored, and the receiving time of the indication message is that the first cell is monitored. The beginning time.
  • the device further includes:
  • a third monitoring unit configured to monitor a physical channel of the second cell, and end listening to the physical channel of the second cell when the starting time arrives.
  • the device further includes:
  • a first interrupting unit configured to: when the starting time arrives, interrupt monitoring a timer run by the second cell, and save a timing value of a timer running by the second cell by the starting time
  • the second intercepting unit is further configured to end listening to the physical channel of the first cell, and using the held timing value as a starting value of the timer that is used by the second cell to listen to, Monitoring a timer run by the second cell, and listening to a physical channel of the second cell.
  • a second interrupting unit configured to: when the starting time arrives, interrupt monitoring a timer run by the second cell;
  • the second monitoring unit is further configured to end listening to the physical channel of the first cell, and use a preset timing value as the starting value of the timer that is used by the second cell to listen to, and run the monitoring station. Determining a timer run by the second cell, and listening to the physical channel of the second cell.
  • the present invention provides a network device, including:
  • the first sending unit wherein:
  • the first sending unit is configured to send, to the user equipment, information for monitoring a start time of the first cell, where the user equipment monitors the first time when the user equipment arrives at the start time a physical channel of the cell; when the user equipment monitors that the listening state of the physical channel of the first cell meets a preset condition, the user equipment ends listening to the physical channel of the first cell, and listens to the physical channel of the second cell. .
  • the first sending unit is further configured to: send, to the user equipment, the monitoring period information and the starting time offset value information of the first cell, to And causing the user equipment to calculate, according to the monitoring period information and the starting time offset value information, a starting moment for monitoring the first cell.
  • the first sending unit is further configured to: send, by using a device of the second cell, an indication that the start time of the first cell is monitored to the user equipment Message; or
  • the first sending unit is further configured to send, by using the device of the second cell, an indication message to the user equipment, where the indication message is used to indicate that the user equipment is used to monitor the first cell, where the indication message is The receiving moment is the starting moment of monitoring the first cell.
  • the device further includes:
  • a second sending unit configured to send, to the user equipment, a threshold value of a number of subframes that listen to a physical channel of the first cell, so that the user equipment monitors a subframe data of a physical channel of the first cell is equal to
  • the first sending unit is further configured to send, to the user equipment, a discontinuous receiving parameter that is used to monitor the first cell, where the discontinuous receiving parameter is included in a non-continuous receiving parameter.
  • Listening to the start time of the first cell in a continuous receiving period so that when the user equipment arrives at the start time, the physical channel of the first cell is monitored, and the non-continuous access to the first cell is monitored.
  • the user equipment ends listening to the physical channel of the first cell and listening to the physical channel of the second cell.
  • the present invention provides a time-sharing monitoring system, including: a user equipment and a network device, where:
  • the network device configured to send, to the user equipment, information that includes monitoring a start time of the first cell
  • the user equipment is configured to receive, by the network device, information that includes a start time for monitoring a first cell; when the start time arrives, monitor a physical channel of the first cell; When the listening state of the physical channel of a cell meets the preset condition, the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the present invention provides a user equipment, including: a receiver and a processor, where: the receiver is configured to acquire information for monitoring a start time of a first cell;
  • the processor is configured to perform the following steps:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the processor after performing the step of monitoring a physical channel of the first cell, before performing the step of ending listening to the physical channel of the first cell, Used to perform the following steps:
  • the step of monitoring the physical channel of the first cell is continued until the monitoring state of the physical channel of the first cell is monitored. Set conditions.
  • the preset condition includes any one of the following:
  • the number of subframes that listen to the physical channel of the first cell is equal to a preset threshold
  • the time for continuously monitoring the first cell is equal to a preset duration
  • the receiver is further configured to: when the preset condition includes monitoring a number of subframes of a physical channel of the first cell And a threshold value of the number of subframes of the physical channel that is received by the device of the first cell and that is received by the device of the first cell, where the threshold value of the number of the subframes is the preset threshold.
  • the step of the processor performing monitoring the physical channel of the first cell includes:
  • the preset condition includes correctly decoding the protocol data unit of the medium access control layer of the acquired data packet, or includes the protocol data unit of the medium access control layer of the decoded data packet is incorrect, and the discontinuous reception mechanism is heavy.
  • the timer expires, or includes when the protocol data unit of the medium access control layer of the decoded data packet is incorrect, and the number of times of the data packet transmission is equal to the preset maximum number of times of the data packet transmission, a physical channel of the first cell, acquiring data on the physical channel;
  • the processor After the processor acquires the data on the physical channel, the processor is further configured to perform the following steps before performing the interception of the first cell:
  • the method further performs the following steps:
  • the preset condition includes that the protocol data unit of the medium access control layer of the decoded data packet is incorrect, and the retransmission timer expires in the discontinuous reception mechanism, decoding the protocol of the medium access control layer of the acquired data packet
  • the retransmission timer in the discontinuous reception mechanism is turned on for timing.
  • the receiver is further configured to: when the preset condition includes: continuously monitoring the time of the first cell is equal to a preset The duration, the information that is sent by the device of the first cell, and the duration of the first cell is continuously monitored, and the duration of the continuous monitoring of the first cell is the preset duration.
  • the receiver is further configured to: when the preset condition includes the end of data transmission with the device of the first cell, Data to be transmitted by the device of the first cell, where the data acquisition time is a starting time for monitoring the first cell.
  • the receiver is further configured to: when the preset condition includes entering a discontinuous reception state of listening to the first cell, Receiving, by the device of the first cell, a discontinuous reception parameter for monitoring the first cell, where the discontinuous reception parameter includes a start time of listening to the first cell in a discontinuous reception period.
  • the receiver is further configured to receive the first Listening period information and starting time offset value information of the first cell sent by the device of a cell;
  • the processor is further configured to perform the following steps:
  • the receiver is further configured to receive the The indication message sent by the device of the second cell that includes the start time of the first cell is received; or the receiver is further configured to receive an indication message sent by the device of the second cell, where the indication message is used by And indicating that the first cell is monitored, and the receiving moment of the indication message is a starting moment of monitoring the first cell.
  • the processor is performing the Before the step of monitoring the physical channel of the first cell, the method further includes the following steps:
  • the processor is further configured to perform the following steps: When the start time arrives, interrupting the monitoring of the timer run by the second cell, and saving the timing value of the timer running by the second cell at the start time;
  • the step of the processor performing the monitoring of the physical channel of the first cell and the monitoring of the physical channel of the second cell includes:
  • the processor is further configured to perform the following steps:
  • the step of the processor performing the process of listening to the physical channel of the first cell and listening to the physical channel of the second cell Includes:
  • the present invention provides a network device, including: a transmitter, where:
  • the transmitter is configured to send, to the user equipment, information for monitoring a start time of the first cell, where the user equipment listens to the first cell when the user equipment arrives at the start time And the user equipment ends listening to the physical channel of the first cell and listening to the physical channel of the second cell, when the user equipment monitors that the listening state of the physical channel of the first cell meets a preset condition.
  • the transmitter is further configured to send, to the user equipment, the monitoring period information and the starting time offset value information of the first cell, so as to enable The user equipment calculates a starting moment for monitoring the first cell according to the monitoring period information and the starting time offset value information.
  • the transmitter is further configured to send, by using a device of the second cell, an indication message that includes a start time for monitoring the first cell, to the user equipment. ;
  • the transmitter is further configured to send, by using the device of the second cell, an indication message to the user equipment, where the indication message is used to indicate that the user equipment is used to monitor the first cell, where the indication is The receiving moment of the information is the starting moment of monitoring the first cell.
  • the transmitter is further used to And the user equipment sends a threshold value of the number of subframes of the physical channel of the first cell, so that when the user equipment monitors that the subframe data of the physical channel of the first cell is equal to the threshold, the monitoring is ended.
  • the physical channel of the first cell monitors the physical channel of the second cell.
  • the transmitter is further configured to send, to the user equipment, a discontinuous reception parameter for monitoring the first cell, where the discontinuous reception parameter is included in Listening to the start time of the first cell in a discontinuous reception period, so that when the user equipment arrives at the start time, it listens to the physical channel of the first cell, and enters the non-monitoring of the first cell.
  • the user equipment ends listening to the physical channel of the first cell, and listens to the physical channel of the second cell.
  • the present invention provides a time-sharing monitoring system, including: a user equipment and a network device, where:
  • the network device includes: a transmitter, where:
  • the transmitter is configured to send, to the user equipment, information for monitoring a start time of the first cell;
  • the user equipment includes: a receiver and a processor, where:
  • the receiver is configured to acquire information about a start time of the first cell that is sent by the network device;
  • the processor is configured to perform the following steps:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • FIG. 1 is a schematic flowchart diagram of a time-sharing monitoring method according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of another time-sharing method provided by an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart diagram of another time-sharing method provided by an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart diagram of another time-sharing method provided by an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart diagram of another time-sharing method provided by an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart diagram of another time-sharing method provided by an embodiment of the present invention.
  • FIG. 7 is a schematic signaling diagram of another time-sharing method provided by an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a UE according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a time-sharing monitoring system according to an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of another UE according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a UE according to an embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 19 is a schematic structural diagram of a time-sharing monitoring system according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic flowchart of a time-sharing method according to an embodiment of the present invention, as shown in FIG. include:
  • the listening state of the physical channel of the first cell is monitored, the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the first cell may be a macro cell
  • the second cell may be a small cell (for example, a micro cell, a pico cell, a femto cell, and the like).
  • this embodiment may be specifically applied to a UE.
  • the process of monitoring a cell may include performing data transmission with a device of the monitored cell, such as transmitting uplink data or transmitting downlink data.
  • FIG. 2 is a schematic flowchart of another time-sharing method according to an embodiment of the present invention. As shown in FIG. 2, the method includes:
  • step 201 Receive information about a start time of the first cell sent by the device of the first cell.
  • the foregoing device may be a base station (for example, an evolved base station).
  • step 201 may specifically include:
  • the starting moment of monitoring the first cell may be specifically calculated by using the following formula:
  • the starting time of the first cell to be monitored can be calculated by using the above formula, that is, it is calculated in which subframe the subframe is started to be monitored.
  • the monitoring period information and the starting time offset value information sent by the device that receives the first cell may be used to calculate a starting time for monitoring the first cell.
  • the starting time of the first cell to be monitored in the present invention may specifically refer to a subframe number.
  • the information about the subframe number sent by the device of the first cell is received, so that The subframe number received in step 201 can be implemented to start listening to the first cell.
  • the physical channel of the first cell is monitored.
  • the method may further include:
  • the physical channel of the first cell is continuously monitored until the listening state of the physical channel of the first cell is monitored to meet the preset condition.
  • the physical channel of the first cell is always monitored.
  • the preset condition may include any one of the following:
  • the number of subframes that listen to the physical channel of the first cell is equal to a preset threshold
  • the time for continuously monitoring the first cell is equal to a preset duration
  • the method may further include: receiving the a threshold value of the number of subframes of the physical channel of the first cell sent by the device of the first cell, where the threshold value of the number of subframes is the preset threshold.
  • the step may be performed in the same manner as step 201, and the foregoing threshold is included in the information received in step 201.
  • step 202 may specifically include:
  • the threshold sub-frames of the physical channel of the first cell are monitored.
  • the step 203 may specifically include:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • step 203 may specifically calculate, by using a timer (for example, On Duration Time-Macro), the number of subframes that are listening to the physical channel of the first cell. If the threshold is 5, when the timer reaches 5, it indicates that the timer expires, and the foregoing preset condition is met, thereby ending listening to the physical channel of the first cell and listening to the physical channel of the second cell. .
  • a timer for example, On Duration Time-Macro
  • a certain number of subframes that continuously monitor only the physical channel of the first cell may be implemented.
  • the subframe that listens to the physical channel of the first cell reaches the number, the physical channel that listens to the second cell is returned.
  • the step 202 may specifically include:
  • the method may further include:
  • the method may further include: when correctly decoding the MAC PDU of the acquired data packet, sending an acknowledgement character (Acknowledgement, ACK) to the device of the first cell. ).
  • ACK acknowledgement character
  • the ACK is sent to the device of the first cell, so that the device of the first cell knows that the decoding of the UE is successful after receiving the ACK, and the device of the first cell can go to the second cell.
  • a message is sent to inform the UE that it is about to return to listen to the physical channel of the second cell.
  • the step 203 may specifically include:
  • the physical channel of the first cell is intercepted and the physical channel of the second cell is monitored.
  • the step 202 may further include:
  • the method may further include:
  • the MAC PDU of the acquired retransmitted data packet is decoded; that is, the data packet method obtained in step 202 decodes the data packet until the MAC PDU of the decoded data packet is successful.
  • Step 203 can include:
  • the physical channel of the first cell is intercepted and the physical channel of the second cell is monitored.
  • the data packet on the physical channel of the first cell when the data packet on the physical channel of the first cell is not decoded correctly, the data packet can be acquired again on the physical channel to achieve decoding again.
  • the monitoring can be ended.
  • the physical channel of the first cell monitors a physical channel of the second cell.
  • the decoding is not correct again, the data packet can continue to be acquired on the physical channel and then decoded.
  • the implementation may be implemented together with the foregoing method for receiving the threshold of the number of subframes of the physical channel of the first cell sent by the device that receives the first cell, that is, step 202 only listens to the first
  • the wide-valued subframe of the physical channel of the cell acquires a data packet in the wide-valued subframe.
  • the message may be monitored regardless of whether the wide-area subframe is monitored. End listening to the first cell and start listening to the second cell.
  • the method may further include:
  • the retransmission timer in the DRX mechanism is enabled. (For example: HARQ RTT timer or HARQ retransmission timer) is timed.
  • the step 203 may specifically include:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the timing value of the retransmission timer may be specifically configured in advance.
  • the preset condition includes that the MAC PDU of the decoded data packet is incorrect, and the number of times of the data packet transmission is equal to a preset maximum number of times of the data packet transmission.
  • the data packet transmitted by the physical channel can be transmitted multiple times, and the technology of multiple transmission is existing, and will not be described in detail herein.
  • the method may further include:
  • the step 203 may specifically include:
  • the physical channel of the first cell is intercepted and the physical channel of the second cell is monitored.
  • the number of times the data packet is acquired can reach the maximum number of times the data packet is transmitted, so as to provide more opportunities for the UE to acquire the data packet and decode it.
  • the method may further include:
  • Step 203 specifically includes:
  • the time of continuously monitoring the first cell is equal to the preset duration
  • the physical channel of the first cell is monitored and the second cell is monitored.
  • the first cell is intercepted and the physical channel of the second cell is started to be monitored.
  • Step 201 Can include:
  • a DRX parameter for monitoring the first cell receives, by the device of the first cell, a DRX parameter for monitoring the first cell, where the DRX parameter includes a start time of monitoring the first cell in a DRX cycle;
  • step 201 further includes:
  • the DRX parameter for monitoring the first cell and the DRX parameter for monitoring the second cell may be two identical DRX parameters, or two different DRX parameters.
  • the start time may be specifically a start time of a DRX cycle (for example, a Macro DRX Cycle) in a DRX parameter.
  • a DRX cycle for example, a Macro DRX Cycle
  • step 203 may specifically include:
  • the physical channel of the first cell is monitored and the second cell is monitored.
  • the UE when the UE enters the DRX state of listening to the physical channel of the first cell, it ends monitoring the first cell and starts listening to the physical channel of the second cell.
  • the step 203 may specifically include:
  • the listening state of the physical channel of the first cell is monitored to meet a preset condition (for example, entering a DRX state of listening to the first cell), ending listening to the physical channel of the first cell, and entering the monitoring station
  • a preset condition for example, entering a DRX state of listening to the first cell
  • the time of the DRX state of the first cell is used as the starting time for listening to the second cell in the DRX cycle, and the second cell is started to be monitored at the starting time.
  • the method may further include:
  • the method may further include:
  • the timer running on the second cell is interrupted, and the timing value of the timer running by the second cell is monitored.
  • step 203 specifically includes:
  • the physical channel of the first cell is monitored, and the held timing value is used as the monitoring of the second cell.
  • the physical channel of the first cell is monitored, and the saved time value is used to monitor the operation of the second cell.
  • the start value of the timer running the timer that is monitored by the second cell, and listening to the physical channel of the second cell, so as to implement monitoring of the first cell during monitoring the physical channel of the second cell.
  • the physical channel while the state of the physical channel listening to the second cell does not change. If the physical channel subframe number of the second cell is monitored as the start time, the physical channel of the second cell is monitored after the preset condition is met, and the subframe is monitored from the subframe of the subframe number 105. Monitor the second cell.
  • the method may further include:
  • the step 203 may include:
  • the listening state of the physical channel of the first cell is monitored, the physical channel of the first cell is monitored, and the preset timing value is used as the timer for monitoring the second cell.
  • the starting value, running the timer that is monitored by the second cell, and listening to the physical channel of the second cell is used as the timer for monitoring the second cell.
  • the UE may be configured to listen to the physical channel of the second cell, and when the starting time of the first cell is monitored, the physical channel of the second cell is monitored and the physical channel of the first cell is started to be monitored.
  • the device that receives the first network may also receive the monitoring information sent by the device in the first cell.
  • the DRX parameters used by the two cells may also receive the information received in step 201. It is also possible that the information received in step 201 includes monitoring DRX parameters used by the second cell.
  • the physical channel in the present invention may be a physical downlink control channel (PDCCH).
  • PDCH physical downlink control channel
  • FIG. 3 is a schematic flowchart of another time-sharing method according to an embodiment of the present invention. As shown in FIG. 3, the method includes:
  • step 301 Receive information about a start time of a first cell sent by a device of a second cell.
  • the foregoing device may be a base station (for example, an evolved base station).
  • step 301 may specifically include:
  • the indication message may be specifically sent by the device of the first cell to the device of the second cell.
  • the device of the first cell sends the foregoing indication message carrying the UE identifier to the device of the second cell by using an interface with the device of the second cell.
  • the foregoing start time may be specifically represented by a subframe number, for example, a System Frame Number (SFN) plus a subframe number (for example, a subframe number).
  • SFN System Frame Number
  • subframe number for example, a subframe number
  • step 301 may specifically include:
  • the UE when the UE receives the indication message, it ends listening to the second cell and starts monitoring the physical channel of the first cell.
  • the step 301 is specifically implemented by using the high layer signaling, that is, the device of the second cell sends the foregoing information including the start time of monitoring the first cell to the UE by using the high layer signaling.
  • the high layer signaling may specifically be high layer signaling such as Radio Resource Control (RRC) signaling, MAC control unit or physical layer signaling.
  • RRC Radio Resource Control
  • the preconditions in this embodiment can be referred to the preconditions described in the above embodiments, and the embodiments.
  • the method further includes:
  • FIG. 4 is a schematic flowchart of another time-sharing method according to an embodiment of the present invention. As shown in FIG. 4, the method includes:
  • the time at which the data is acquired may be used as the starting time for monitoring the first cell. That is, whenever there is a need to transmit data to the device of the first cell, the first cell is monitored.
  • the UE may be listening to the physical channel of the second cell, or may be listening to the physical channel of the first cell.
  • step 402 may specifically include:
  • the physical channel of the first cell is started to be monitored, and data is transmitted with the device of the first cell.
  • the preset condition may specifically include:
  • Step 403 specifically includes:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • FIG. 5 is a schematic flowchart of another time-sharing method according to an embodiment of the present invention. As shown in FIG. 5, the method includes:
  • the UE send, to the UE, information for monitoring a start time of the first cell, so that when the UE arrives at the start time, the UE monitors a physical channel of the first cell; when the UE monitors When the listening state of the physical channel of the first cell meets a preset condition, the UE ends listening to the physical channel of the first cell, and listens to the physical channel of the second cell.
  • the first cell may be a macro cell
  • the second cell may be a small cell (for example, a micro cell, a pico cell, a femto cell, and the like).
  • the process of monitoring a cell may include performing data transmission with a device of the monitored cell, such as transmitting uplink data or transmitting downlink data.
  • FIG. 6 is a schematic flowchart of another time-sharing method according to an embodiment of the present invention. As shown in FIG. 6, the method includes:
  • the information that is sent to the device of the second cell where the UE monitors a start time of the second cell and an identifier of the UE.
  • the device of the second cell can know at which time the UE is specifically, that is, which subframe starts to listen to the physical channel of the second cell.
  • the start monitoring here may include intercepting the physical channel of the second cell by monitoring the physical channel of the second cell, and after listening to the physical channel of the first cell, returning to the physical channel of the second cell.
  • the step 601 may include: receiving, by the UE, the monitoring period information and the starting time offset value information of the first cell, so that the UE is configured according to the listening period.
  • the information and the start time offset value information calculate a start time for monitoring the first cell; to enable the UE to listen to the physical channel of the first 'area when the start time arrives; When the UE monitors that the listening state of the physical channel of the first cell meets a preset condition, it ends listening to the physical channel of the first cell, and listens to the physical channel of the second cell.
  • the UE can calculate the starting time of monitoring the first cell by using the monitoring period information and the starting time offset value information, and monitor the physical channel of the first cell at the starting time.
  • step 601 may specifically include:
  • an indication message that includes a start time for listening to the first cell, to enable the UE to listen to the physical of the first cell when the UE arrives at the start time.
  • Channel when the UE monitors that the listening state of the physical channel of the first cell meets a preset condition, ending listening to the physical channel of the first cell, and listening to the physical channel of the second cell.
  • an apparatus that includes an indication message for monitoring a start time of the first cell or an indication message for instructing a UE to listen to the first cell to be sent to a second cell may be implemented.
  • the identifier of the UE may be sent to the device of the second cell, so that the device of the second cell may send the message to the UE after receiving the message.
  • the method may further include:
  • the physical channel of the first cell is monitored, and the physical channel of the second cell is monitored.
  • step 601 may specifically include:
  • a DRX parameter that is used to monitor the first cell, where the DRX parameter includes a start time of listening to the first cell in a DRX cycle; to enable the UE to arrive at a start time,
  • the physical channel of the first cell is described, and when the user enters the DRX state of the first cell, the UE ends listening to the physical channel of the first cell, and listens to the physical channel of the second cell.
  • the UE may start to monitor the physical channel of the first cell at the start time of the DRX cycle.
  • FIG. 7 is a schematic diagram of signaling of another time-sharing method according to an embodiment of the present invention. As shown in FIG. 7, the method includes:
  • the device of the first cell sends, to the UE, a parameter for monitoring a physical channel of the first cell and a parameter for monitoring a parameter of a physical channel of the second cell.
  • the UE monitors a physical channel of the second cell.
  • step 702 the physical channel of the second cell that is monitored is used to perform data transmission with the device of the second cell.
  • the device of the first cell sends, to the device of the second cell, an indication message that the UE listens to the physical channel of the first cell.
  • the indication message includes a start time of monitoring the first cell, or a time when the indication message is sent to the UE is a start time of monitoring the first cell.
  • the device of the second cell sends an indication message that the physical channel of the first cell is monitored to the UE.
  • the UE monitors a physical channel of the first cell.
  • step 705 the physical channel of the first cell that is monitored is used to perform data transmission with the device of the first cell.
  • the UE monitors that the state of the physical channel of the first cell meets a preset condition, the UE ends listening to the physical channel of the first cell, and the UE monitors the physical channel of the second cell.
  • the device of the first cell sends an indication message for listening to the physical channel of the first cell to the UE by using the device of the second cell, and when the UE receives the indication message, the physical channel of the first cell is monitored, so that the device can improve. Utilization of network resources.
  • the following is a device embodiment of the present invention.
  • the device embodiment of the present invention is used to perform the method for implementing the first to seventh embodiments of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown, and the specific technical details are not disclosed. Please refer to the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment, the sixth embodiment and the seventh embodiment.
  • FIG. 8 is a schematic structural diagram of a UE according to an embodiment of the present invention. As shown in FIG. 8, the method includes: an obtaining unit 11, a first listening unit 12, and a second monitoring unit 13, where:
  • the obtaining unit 11 is configured to acquire information for monitoring a start time of the first cell.
  • the first monitoring unit 12 is configured to listen to the physical channel of the first cell when the starting time acquired by the acquiring unit 11 arrives;
  • the second monitoring unit 13 is configured to: when the first listening unit 12 monitors that the listening state of the physical channel of the first cell meets a preset condition, end listening to the physical channel of the first cell, and listening to the physical channel of the second cell. .
  • the first cell may be a macro cell
  • the second cell may be a small cell (for example, a micro cell, a pico cell, a femto cell, and the like).
  • FIG. 9 is a schematic structural diagram of another UE according to an embodiment of the present invention. As shown in FIG. 9, the method includes: an acquiring unit 21, a first listening unit 22, a second listening unit 23, and a third listening unit 24, where: The unit 21 is configured to receive, by the device of the first cell, information that includes a start time of monitoring the first cell.
  • the first monitoring unit 22 is configured to listen to the physical channel of the first cell when the starting time acquired by the acquiring unit 21 arrives;
  • the second intercepting unit 23 is configured to: when the listening state of the physical channel of the first cell is monitored, the physical channel of the first cell is monitored, and the physical channel of the second cell is monitored.
  • the third monitoring unit 24 is configured to start listening to the first listening unit 22 at the starting moment. Before the physical channel of a cell, the physical channel of the second cell is monitored, and when the starting time arrives, the physical channel of the second cell is monitored.
  • the foregoing device may be a base station (for example, an evolved base station).
  • the obtaining unit 21 may specifically include:
  • a receiving subunit configured to receive, by the device of the first cell, the monitoring period information and the starting time offset value information of the first cell;
  • a calculating unit (not shown in the drawing), configured to calculate a starting time for monitoring the first cell according to the monitoring period information and the starting time offset value information received by the receiving subunit (not shown in the drawing) .
  • the calculating unit may specifically calculate the starting moment of monitoring the first cell by using the following formula:
  • SFN is the system frame number
  • subfmmenumber is the thousand number
  • mod represents the modulo operation
  • Macro-Cycle is the listening period
  • M""" ⁇ " ⁇ " is the starting time offset value.
  • the starting time of the first cell to be monitored can be calculated by using the above formula, that is, it is calculated in which subframe the subframe is started to be monitored.
  • the acquiring unit 21 may be further configured to receive, by the device of the second cell, an indication message that includes a start time for monitoring the first cell; or
  • the obtaining unit 21 is further configured to receive an indication message sent by the device of the second cell, where the indication message is used to indicate that the UE is listening to the first cell, and the receiving moment of the indication message is to monitor the first cell. Starting time.
  • the indication message may be specifically sent by the device of the first cell to the device of the second cell.
  • the first monitoring unit 22 is further configured to: when the listening state of the physical channel of the first cell is not able to meet the preset condition, continue to perform monitoring the physical of the first cell. The channel, until the listening state of the physical channel listening to the first cell satisfies a preset condition.
  • the preset condition that the second monitoring unit 23 satisfies may include any one of the following:
  • the number of subframes that listen to the physical channel of the first cell is equal to a preset threshold
  • the time for continuously monitoring the first cell is equal to a preset duration
  • the UE may further include:
  • a first receiving unit when the preset condition includes monitoring the number of subframes of the physical channel of the first cell to be equal to a preset threshold, sending, by the device receiving the first cell, And a threshold value of the number of subframes of the physical channel of the first cell, where the threshold value of the number of subframes is the preset threshold.
  • the first intercepting unit 22 is further configured to: when the starting time arrives, listen to the threshold sub-frames of the physical channel of the first cell.
  • the second intercepting unit 23 is further configured to: when the subframe data of the physical channel of the first cell is monitored to be equal to the threshold, end listening to the physical channel of the first cell, Listening to the physical channel of the second cell.
  • the second monitoring unit 23 may specifically calculate, by using a timer (for example, On Duration Time-Macro), the number of subframes that listen to the physical channel of the first 'area. If the threshold is 5, when the timer reaches 5, it indicates that the timer expires, and the foregoing preset condition is met, thereby ending listening to the physical channel of the first cell and listening to the physical channel of the second cell. .
  • a timer for example, On Duration Time-Macro
  • a certain number of subframes that continuously monitor only the physical channel of the first cell may be implemented.
  • the subframe that listens to the physical channel of the first cell reaches the number, the physical channel that listens to the second cell is returned.
  • the device further includes:
  • the decoding unit 25 is configured to: when the preset condition includes correctly decoding the MAC PDU of the acquired data packet, or when the MAC PDU of the data packet obtained by decoding is incorrect, and the discontinuous reception mechanism The medium retransmission timer expires, or includes when the MAC PDU of the decoded data packet is incorrect, and the number of times of the data packet transmission is equal to the preset maximum number of times of the data packet transmission, the decoding first intercepting unit 22 acquires The MAC PDU of the packet.
  • the first monitoring unit 22 may be further configured to: when the preset condition includes correctly decoding the MAC PDU of the acquired data packet, or include the MAC PDU when the decoded data packet is decoded incorrectly, and the retransmission timer in the discontinuous reception mechanism Timeout, or including when the MAC PDU of the decoded data packet is incorrect, and the number of times of the data packet transmission is equal to a preset maximum number of times of the data packet transmission, when the start time arrives, the first time is monitored.
  • the device may further include:
  • a sending unit (not shown in the drawing), configured to send an ACK to the device of the first location when the decoding unit 25 correctly decodes the MAC PDU of the acquired data packet.
  • the ACK is sent to the device of the first cell, so that the device of the first cell knows that the decoding of the UE is successful after receiving the ACK, and the device of the first cell can go to the second cell.
  • a message is sent to inform the UE that it is about to return to listen to the physical channel of the second cell.
  • the second intercepting unit 23 is further configured to: when the decoding unit correctly decodes the MAC PDU of the acquired data packet, end listening to the physical channel of the first cell, and listening to the second The physical channel of the cell;
  • the first monitoring unit 22 may further use When the decoding unit 25 decodes the MAC PDU of the obtained data packet is incorrect, repeating acquiring the retransmitted data packet on the physical channel;
  • the decoding unit 25 may further be configured to decode the MAC PDU of the acquired retransmitted data packet; that is, the data packet acquired by the first intercepting unit 22, the present invention decodes the acquired data packet until the MAC of the decoded data packet is decoded. The PDU was successful.
  • the second intercepting unit 23 is further configured to: when the decoding unit 25 correctly decodes the MAC PDU of the retransmitted data packet acquired by the data packet, end listening to the physical channel of the first cell, and listening to the physical of the second cell. channel.
  • the data packet on the physical channel that acquires the first cell for the first time is decoded incorrectly, the data packet can be acquired again on the physical channel, and the decoding is performed again, when decoded again.
  • the physical channel of the first cell may be monitored and the physical channel of the second cell may be monitored.
  • the decoding is not correct again, the data packet may continue to be acquired on the physical channel and then decoded.
  • the UE may further include:
  • a timing unit (not shown in the drawing), configured to: when the preset condition includes that the MAC PDU of the obtained data packet is incorrect, and the retransmission timer expires in the DRX mechanism, and the first intercepting unit 22 decodes and acquires When the MAC PDU of the data packet is incorrect, the retransmission timer in the DRX mechanism is turned on for timing; the second monitoring unit 23 is further configured to retransmit the timer super in the DRX mechanism that is turned on by the timing unit (not shown in the drawing). At the same time, the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the first monitoring unit 22 is further configured to: when the preset condition includes: when the MAC PDU of the decoded data packet is incorrect, and the number of times of the data packet transmission is equal to the preset The maximum number of times the data packet is transmitted, and when the decoding unit 25 decodes the MAC PDU of the obtained data packet is incorrect, the data packet is repeatedly acquired on the physical channel;
  • the second monitoring unit 23 is further configured to: when the number of times of the data packet transmission is equal to a preset maximum number of times of the data packet transmission, end listening to the physical channel of the first cell, and listening to the physical channel of the second cell. .
  • the number of times the data packet is acquired can reach the maximum number of times the data packet is transmitted, so as to provide more opportunities for the UE to acquire the data packet and decode it.
  • the UE may further include:
  • the second receiving unit (not shown in the figure) is configured to: when the preset condition includes: continuously monitoring the first cell for a time equal to a preset duration, and receiving, by the device receiving the first cell, a continuous monitoring station For the information about the duration of the first cell, the duration of the continuous monitoring of the first cell is the preset duration.
  • the second monitoring unit 23 is further configured to: when the time of continuously monitoring the first cell is equal to the duration, end listening to the physical channel of the first cell, and listening to the second cell.
  • the first cell is intercepted and the physical channel of the second cell is started to be monitored.
  • the acquiring unit 21 may be further configured to: when the preset condition includes: entering a DRX state of the first cell, receiving, by the device of the first cell, Listening to the DRX parameter of the first cell, where the DRX parameter includes a start time of listening to the first cell in a DRX cycle;
  • the obtaining unit 21 is further configured to receive, by the device of the first cell, a DRX parameter that is to be monitored by the second cell.
  • the DRX parameter for monitoring the first cell and the DRX parameter for monitoring the second cell may be two identical DRX parameters, or two different DRX parameters.
  • the start time may be specifically a start time of a DRX cycle (for example, a Macro DRX Cycle) in a DRX parameter.
  • a DRX cycle for example, a Macro DRX Cycle
  • the second intercepting unit 23 is further configured to: when entering the DRX state of listening to the first cell, end listening to the physical channel of the first cell, and listening to the second cell.
  • the UE when the UE enters the DRX state of listening to the physical channel of the first cell, it ends monitoring the first cell and starts listening to the physical channel of the second cell.
  • the second intercepting unit 23 is further configured to: when the listening state of the physical channel of the first cell is monitored, the preset condition is met (eg, entering the DRX state of listening to the first cell) Ending listening to the physical channel of the first cell, and using the time of entering the DRX state of listening to the first cell as the starting time of listening to the second cell in the DRX cycle, starting to monitor at the starting time The second cell.
  • the preset condition eg, entering the DRX state of listening to the first cell
  • the UE may further include:
  • a first interrupting unit (not shown in the drawing), configured to: when the starting time arrives, interrupt monitoring a timer run by the second cell, and save the starting time to monitor the second cell The timing value of the running timer;
  • the second intercepting unit 23 is further configured to end listening to the physical channel of the first cell, and use a timing value maintained by the first interrupting unit (not shown in the drawing) as the monitoring of the second cell.
  • the physical channel of the first cell is monitored, and the saved time value is used to monitor the operation of the second cell.
  • a start value of the timer running the timer that is monitored by the second cell, And monitoring the physical channel of the second cell, so as to implement monitoring the physical channel of the first cell during the monitoring of the physical channel of the second cell, and monitoring the state of the physical channel of the second cell does not change. If the physical channel subframe number of the second cell is monitored as the start time, the physical channel of the second cell is monitored after the preset condition is met, and the subframe is monitored from the subframe of the subframe number 105. Monitor the second cell.
  • the UE may further include:
  • a second interrupt unit (not shown in the drawing), configured to interrupt monitoring a timer run by the second cell when the start time arrives;
  • the second monitoring unit 23 is further configured to end listening to the physical channel of the first cell, and use a preset timing value as the starting value of the timer that is used by the second cell to monitor, and run the monitoring station. Determining a timer run by the second cell, and listening to the physical channel of the second cell.
  • the UE may be configured to listen to the physical channel of the second cell, and when the starting time of the first cell is monitored, the physical channel of the second cell is monitored and the physical channel of the first cell is started to be monitored.
  • the acquiring unit 21 is further configured to: when the preset condition may include: acquiring, when the data transmission with the device of the first cell ends, acquiring, for the device that needs to be transmitted with the device of the first cell Data, the time at which the data is acquired is a starting time for monitoring the first cell;
  • the above data may be data automatically generated by the UE, or data generated according to an operation input by the user, or data received by other devices.
  • the second monitoring unit 23 is further configured to: when the data transmission with the device of the first cell ends, end listening to the physical channel of the first cell, and listening to the physical channel of the second cell.
  • the time at which the data is acquired may be used as the starting time for monitoring the first cell. That is, whenever there is a need to transmit data to the device of the first cell, the first cell is monitored.
  • the UE may be listening to the physical channel of the second cell, or may be listening to the physical channel of the first cell.
  • the physical channel in the present invention may be a physical downlink control channel (PDCCH).
  • PDCH physical downlink control channel
  • the UE may specifically include:
  • FIG. 11 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in FIG. 11, the method includes: a first sending unit 31 and:
  • the first sending unit 31 is configured to send, to the UE, information for monitoring a start time of the first cell, so that when the UE arrives at the start time, the UE monitors a physical channel of the first cell.
  • the UE monitors that the listening state of the physical channel of the first cell meets a preset condition the UE ends listening to the physical channel of the first cell, and listens to the physical channel of the second cell.
  • the first cell may be a macro cell
  • the second cell may be a small cell (for example, a micro cell, a pico cell, a femto cell, and the like).
  • the process of monitoring a cell may include performing data transmission with a device of the monitored cell, such as transmitting uplink data or transmitting downlink data.
  • the network device may be a base station (evolved base station).
  • the UE when the UE sends information for monitoring the start time of the first cell, the UE acquires information for monitoring the start time of the first cell; when the start time arrives, the UE monitors the location.
  • the listening state of the physical channel of the first cell meets a preset condition, the UE ends listening to the physical channel of the first cell, and listens to the physical channel of the second cell. Since the start time of monitoring the first cell and the second cell is clarified, the network resource utilization can be improved.
  • FIG. 12 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in FIG. 12, the method includes: a first sending unit 41, where:
  • a first sending unit 41 configured to send, to the UE, information for monitoring a start time of the first cell, to enable the UE to listen to a physical channel of the first cell when the starting time arrives;
  • the UE monitors that the listening state of the physical channel of the first cell meets a preset condition the UE ends listening to the physical channel of the first cell, and monitors the physical channel of the second cell.
  • the first sending unit 41 is further configured to: send, to the UE, the monitoring period information and the starting time offset value information of the first cell, so that the UE is configured according to the The monitoring period information and the starting time offset value information calculate a starting time for monitoring the first cell. In this way, the UE can calculate the starting time of listening to the first cell by using the monitoring period information and the starting time offset value information, and listen to the physical channel of the first cell when the starting time arrives.
  • the first sending unit 41 may be further configured to send, by using the device of the second cell, an indication message that includes a start time for listening to the first cell to the UE; or
  • the first sending unit 41 is further configured to send, by using the device of the second cell, an indication message to the UE, where the indication message is used to indicate that the UE is used to listen to the first cell, and the indication message is received. The moment is to monitor the starting time of the first cell.
  • an apparatus that includes an indication message for monitoring a start time of the first cell or an indication message for instructing a UE to listen to the first cell to be sent to a second cell may be implemented.
  • the identifier of the UE may be sent to the device of the second cell, so that the device of the second cell may send the message to the UE after receiving the message.
  • the first sending unit 41 may be further configured to send, to the UE, a DRX parameter that is used to monitor the first cell, where the DRX parameter includes listening to the first cell in a DRX cycle. The beginning time.
  • the UE may start to monitor the physical channel of the first cell at the start time of the DRX cycle.
  • the device may further include:
  • a second sending unit 42 configured to send, to the UE, a threshold value of a number of subframes that listen to a physical channel of the first cell, so that the UE monitors subframe data of a physical channel of the first cell is equal to
  • the threshold is specified, the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the UE may only listen to the threshold sub-frames of the physical channel of the first cell.
  • the device may further include:
  • the third sending unit 43 is configured to send, to the device of the second cell, information that the UE monitors a start time of the second cell and an identifier of the UE.
  • the device of the second cell can know at which time the UE is specifically, that is, which subframe starts to monitor the physical channel of the second cell.
  • the start monitoring here may include intercepting the physical channel of the second cell by intercepting the physical channel of the second cell, and after listening to the physical channel of the first cell, returning to the physical channel of the second cell.
  • FIG. 13 is a time-sharing monitoring system according to an embodiment of the present invention. As shown in FIG. 13, the method includes: a UE 51 and a network device 52, where:
  • the network device 51 is configured to send, to the UE 51, information that includes a start time for monitoring the first cell, where the UE 52 is configured to receive, by the network device 51, information that includes a start time for monitoring the first cell; when the start time arrives And listening to the physical channel of the first cell; when listening to the monitoring state of the physical channel of the first cell, the physical channel of the first cell is monitored, and the physical channel of the second cell is monitored.
  • system may further include:
  • the second cell device (not shown in the drawing) is used for information transmission or data transmission with the network device 51 and the UE 52.
  • the network device 51 may specifically be the device of the first cell in the above embodiment, and the second cell device (not shown in the drawing) may specifically be the device of the second cell in the above embodiment.
  • FIG. 14 is a schematic structural diagram of another UE according to an embodiment of the present invention. As shown in FIG. 14, the method includes: a receiver 61 and a processor 62, where:
  • the receiver 61 is configured to acquire information for monitoring a start time of the first cell.
  • the processor 62 is configured to perform the following steps:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the foregoing first cell may be a macro cell
  • the second small The area may specifically be a small cell (e.g., a micro cell, a pico cell, a femto cell, etc.).
  • the above monitoring may be performed by the processor 62 controlling the receiver 61 to monitor.
  • the process of monitoring a cell may include performing data transmission with a device of the monitored cell, such as transmitting uplink data or transmitting downlink data.
  • FIG. 15 is a schematic structural diagram of another UE according to an embodiment of the present invention. As shown in FIG. 15, the method includes: a receiver 71 and a processor 72, where:
  • the receiver 71 is configured to receive, by the device of the first cell, information for monitoring a start time of the first cell.
  • the processor 72 is configured to perform the following steps:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the foregoing device may be a base station (for example, an evolved base station).
  • the receiver 71 is further configured to receive, by the device of the first cell, the monitoring period information and the starting time offset value information of the first cell.
  • the processor 72 is further configured to perform the following steps:
  • the starting moment of monitoring the first cell may be specifically calculated by using the following formula:
  • the starting time of the first cell to be monitored can be calculated by using the above formula, that is, it is calculated in which subframe the subframe is started to be monitored.
  • the monitoring period information and the starting time offset value information sent by the device that receives the first cell may be used to calculate a starting time for monitoring the first cell.
  • the starting time of the first cell to be monitored in the present invention may specifically refer to a subframe number, such as the information that the receiver 71 receives the subframe number sent by the device of the first cell, such that It is possible to start monitoring the first cell at the subframe number received by the receiver 71.
  • the processor 72 is further configured to perform the following steps:
  • the physical channel of the first cell is monitored until the monitoring state of the physical channel of the first cell is met.
  • the preset condition may include any one of the following:
  • the number of subframes that listen to the physical channel of the first cell is equal to a preset threshold
  • the time for continuously monitoring the first cell is equal to a preset duration
  • the receiver 71 may be further configured to: when the preset condition includes monitoring, the number of subframes of the physical channel of the first cell is equal to a preset threshold, and receiving the first cell.
  • the threshold value of the number of subframes of the physical channel of the first cell that is sent by the device, and the threshold value of the number of the subframes is the preset threshold.
  • the step of the processor 72 performing the monitoring of the physical channel of the first cell at the starting moment may include: When the start time arrives, the threshold sub-frames of the physical channel of the first cell are monitored.
  • the processor 72 ends monitoring the physical channel of the first cell, and monitors the second cell.
  • the steps of the physical channel may include:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • a certain number of subframes that continuously monitor only the physical channel of the first cell may be implemented.
  • the subframe that listens to the physical channel of the first cell reaches the number, the physical channel that listens to the second cell is returned.
  • the step performed by the processor 72 to start listening to the physical channel of the first cell at the starting moment may include:
  • the preset condition includes correctly decoding the MAC PDU of the acquired data packet, or includes the MAC PDU of the data packet obtained when decoding is incorrect, and the retransmission timer expires in the discontinuous reception mechanism, or includes decoding the acquired data. If the MAC PDU of the packet is incorrect, and the number of times of the data packet transmission is equal to the maximum number of times the data packet is transmitted in advance, when the start time arrives, the physical channel of the first cell is monitored, Obtaining a data packet on a physical channel;
  • the processor 72 is configured to perform the following steps after performing the step of acquiring the physical channel of the first cell and acquiring the data packet on the physical channel, before performing the step of ending the monitoring of the physical channel of the first cell:
  • the device may further include:
  • the transmitter 73 is configured to send an ACK to the device of the first cell when the MAC PDU of the acquired data packet is correctly decoded.
  • the ACK is sent to the device of the first cell, so that the device of the first cell knows that the decoding of the UE is successful after receiving the ACK, and the device of the first cell can go to the second cell.
  • a message is sent to inform the UE that it is about to return to listen to the physical channel of the second cell.
  • the processor 72 ends monitoring the physical channel of the first cell, and monitors the second cell.
  • the steps of the physical channel may include:
  • the processor 72 ends monitoring the physical channel of the first cell, and monitors the second cell.
  • the step of the physical channel may further include:
  • the preset condition includes correctly decoding the MAC PDU of the acquired data packet
  • the MAC PDU of the acquired data packet fails in the above step
  • the MAC PDU of the decoded data packet is decoded incorrectly, the physical channel is repeated.
  • the processor 72 is also configured to perform the following steps:
  • the acquired data packet is decoded until the MAC PDU of the decoded data packet is successful.
  • the listening state of the physical channel of the first cell is monitored by the processor 72
  • the monitoring of the physical channel of the first cell is performed, and the step of monitoring the physical channel of the second cell may include:
  • the physical channel of the first cell is intercepted and the physical channel of the second cell is monitored.
  • the data packet on the physical channel of the first cell when the data packet on the physical channel of the first cell is not decoded correctly, the data packet can be acquired again on the physical channel to achieve decoding again.
  • the monitoring can be ended.
  • the physical channel of the first cell monitors a physical channel of the second cell.
  • the decoding is not correct again, the data packet can continue to be acquired on the physical channel and then decoded.
  • the processor 72 after performing the decoding of the MAC PDU of the acquired data packet, the processor 72 ends the monitoring when the listening state of the physical channel that listens to the first cell meets a preset condition.
  • the preset condition includes: when the MAC PDU of the decoded data packet is incorrect, and the retransmission timer expires in the DRX mechanism, when the MAC PDU of the decoded data packet is incorrect, the retransmission timing in the DRX mechanism is enabled.
  • the timer (for example: HARQ RTT timer or HARQ retransmission timer) is timed.
  • the processor 72 ends monitoring the physical channel of the first cell, and monitors the second cell.
  • the steps of the physical channel may include: When the retransmission timer expires in the DRX mechanism, the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the timing value of the retransmission timer may be specifically configured in advance.
  • the data packet of the physical channel transmission may be transmitted multiple times, and the technology of multiple transmission is existing, and is not described in detail herein.
  • the processor 72 after performing the decoding of the MAC PDU of the acquired data packet, the processor 72 ends the monitoring when the listening state of the physical channel that listens to the first cell meets a preset condition.
  • the preset condition includes: decoding that the MAC PDU of the acquired data packet is incorrect, and the number of times of the data packet transmission is equal to a preset maximum number of times of the data packet transmission, when the MAC PDU of the decoded data packet is incorrect, Repeating to acquire the data packet on the physical channel;
  • the processor 72 ends monitoring the physical channel of the first cell, and monitors the second cell.
  • the steps of the physical channel may include:
  • the physical channel of the first cell is intercepted and the physical channel of the second cell is monitored.
  • the number of times the data packet is acquired can reach the maximum number of times the data packet is transmitted, so as to provide more opportunities for the UE to acquire the data packet and decode it.
  • the receiver 71 is further configured to: when the preset condition includes: continuously monitoring the first cell for a time equal to a preset duration, and receiving, by the device that receives the first cell, The information of the duration of the first cell is continuously monitored, and the duration of the continuous listening to the first cell is the preset duration.
  • the listening state of the physical channel of the first cell is monitored by the processor 72
  • the monitoring of the physical channel of the first cell is performed, and the step of monitoring the physical channel of the second cell may include:
  • the time of continuously monitoring the first cell is equal to the duration, the physical channel of the first cell is monitored and the second cell is monitored.
  • the receiver 71 is further configured to: when the preset condition includes: entering a DRX state of the first cell, receiving, by the device of the first cell, a device for monitoring Decoding a DRX parameter of the first cell, where the DRX parameter includes a start time of listening to the first cell in a DRX cycle;
  • the receiver 71 is further configured to receive a DRX parameter that is sent by the device of the first cell and that is in the second cell.
  • the DRX parameter for monitoring the first cell and the DRX parameter for monitoring the second cell may be two identical DRX parameters, or two different DRX parameters.
  • the start time may be specifically a start time of a DRX cycle (for example, a Macro DRX Cycle) in a DRX parameter.
  • a DRX cycle for example, a Macro DRX Cycle
  • the processor 72 ends listening to the physical channel of the first cell, and listening to the second cell.
  • the steps of the physical channel may include:
  • the physical channel of the first cell is monitored and the second cell is monitored.
  • the UE when the UE enters the DRX state of listening to the physical channel of the first cell, it ends monitoring the first cell and starts listening to the physical channel of the second cell.
  • the processor 72 ends monitoring the physical channel of the first cell, and monitors the second cell.
  • the steps of the physical channel may include:
  • the listening state of the physical channel of the first cell is monitored to meet a preset condition (for example, entering a DRX state of listening to the first cell), ending listening to the physical channel of the first cell, and entering the monitoring station
  • a preset condition for example, entering a DRX state of listening to the first cell
  • the time of the DRX state of the first cell is used as the starting time for listening to the second cell in the DRX cycle, and the second cell is started to be monitored at the starting time.
  • the processor 72 is further configured to perform the following steps before performing the step of listening to the physical channel of the first cell:
  • the execution of the processor 72 listens to the physical channel of the second cell, And after the step of monitoring the physical channel of the second cell, when the starting time arrives, when the listening state of the physical channel that listens to the first cell meets a preset condition, the monitoring of the first cell ends.
  • the processor 72 may be further configured to perform the following steps:
  • the timer running on the second cell is interrupted, and the timing value of the timer running by the second cell is monitored.
  • the processor 72 ends monitoring the physical channel of the first cell, and monitors the second cell.
  • the steps of the physical channel may include:
  • the physical channel of the first cell is monitored, and the held timing value is used as the timing for monitoring the operation of the second cell.
  • the starting value of the device, running the timer that is listening to the second cell, and listening to the physical channel of the second cell is used as the timing for monitoring the operation of the second cell.
  • the physical channel of the first cell is monitored, and the saved time value is used to monitor the operation of the second cell.
  • the start value of the timer, running the timer that is monitored by the second cell, and listening to the physical channel of the second cell, so as to implement monitoring of the first cell during monitoring the physical channel of the second cell The physical channel, while the state of the physical channel listening to the second cell does not change.
  • the processor 72 performs monitoring of the physical channel of the second cell, and when the starting time arrives, after the step of monitoring the physical channel of the second cell is ended, the monitoring station is executed.
  • the processor 72 may be further configured to perform the following steps before the step of monitoring the physical channel of the first cell and listening to the physical channel of the second cell, before the monitoring state of the physical channel of the first cell is met, :
  • the step of monitoring the physical channel of the first cell and listening to the physical channel of the second cell may include:
  • the listening state of the physical channel of the first cell is monitored, the physical channel of the first cell is monitored, and the preset timing value is used as the timer for monitoring the second cell.
  • a starting value running the timer that is monitored by the second cell, and listening to the The physical channel of the two cells.
  • the UE may be configured to listen to the physical channel of the second cell, and when the starting time of the first cell is monitored, the physical channel of the second cell is monitored and the physical channel of the first cell is started to be monitored.
  • the UE may further include:
  • the memory 74 is configured to store a program executed by the processor 72.
  • the physical channel in the present invention may specifically be a PDCCH.
  • FIG. 16 is a schematic structural diagram of another UE according to an embodiment of the present invention. As shown in FIG. 16, the method includes: a receiver 81 and a processor 82, where:
  • the receiver 81 is configured to receive, by the device of the second cell, information for monitoring a start time of the first cell.
  • the processor 82 is configured to perform the following steps:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the receiver 81 may be further configured to receive, by the device of the second cell, an indication message that includes a start time for monitoring the first cell.
  • the indication message may be specifically sent by the device of the first cell to the device of the second cell.
  • the device of the first cell sends the foregoing indication message carrying the UE identifier to the device of the second cell by using an interface with the device of the second cell.
  • the foregoing starting time may be specifically represented by a subframe number, for example, an SFN plus a subframe number (for example, a subframe number).
  • the receiver 81 is further configured to receive an indication message sent by the device of the second cell, where the indication message is used to indicate that the first cell is monitored, and the receiving moment of the indication message is received. To monitor the starting time of the first cell.
  • the UE when the UE receives the indication message, it ends listening to the second cell, and starts monitoring. Listen to the physical channel of the first cell.
  • the receiver 81 may be implemented by using high-layer signaling, that is, the device of the second cell sends the foregoing start time including monitoring the first cell to the UE by using high-layer signaling. information.
  • the high layer signaling may specifically be high layer signaling such as RRC signaling, MAC control unit or physical layer signaling.
  • the processor 82 is further configured to perform the following steps before performing the step of monitoring the physical channel of the first cell:
  • the UE may further include:
  • the memory 83 is configured to store a program executed by the processor 82.
  • FIG. 17 is a schematic structural diagram of another UE according to an embodiment of the present invention. As shown in FIG. 17, the method includes: a receiver 91 and a processor 92, where:
  • the receiver 91 is configured to acquire data that needs to be transmitted by the device of the first cell, where the data acquisition time is a starting time for monitoring the first cell.
  • the processor 92 is configured to perform the following steps:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the time at which the data is acquired may be used as the starting time for monitoring the first cell. That is, whenever there is a need to transmit data to the device of the first cell, the first cell is monitored.
  • the UE may be listening to the physical channel of the second cell, or may be listening to the physical channel of the first cell.
  • the processor 92 performs the monitoring at the start time.
  • the step of the physical channel of the first cell may include:
  • the physical channel of the first cell is monitored, and data is transmitted with the device of the first cell.
  • the processor 92 may control the receiver 91 to perform data transmission with the device of the first cell.
  • the device may further include:
  • the transmitter 93 is configured to perform data transmission with the device of the first cell.
  • the preset condition may specifically include:
  • the steps of the physical channel may include:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • FIG. 18 is a schematic structural diagram of another network device according to an embodiment of the present invention. As shown in FIG. 18, the method includes: a transmitter 101, where:
  • the transmitter 101 is configured to send, to the UE, information for monitoring a start time of the first cell, to enable the UE to monitor a physical channel of the first cell when the UE arrives at the start time;
  • the UE monitors that the listening state of the physical channel of the first cell meets a preset condition the UE ends listening to the physical channel of the first cell, and monitors the physical channel of the second cell.
  • the first cell may be a macro cell
  • the second cell may be a small cell (for example, a micro cell, a pico cell, a femto cell, and the like).
  • the transmitter 101 may be further configured to send, to the device of the second cell, information that includes, by the UE, the start time of the second cell and the identifier of the UE.
  • the device of the second cell can know at which time the UE is specifically, that is, which subframe starts to listen to the physical channel of the second cell.
  • the start monitoring here may be a physical signal including monitoring the second cell.
  • the channel process intercepts the physical channel of the second cell, and after listening to the physical channel of the first cell, returns to the physical channel of the second cell.
  • the transmitter 101 may be further configured to send, to the UE, the monitoring period information and the starting time offset value information of the first cell, so that the UE is configured according to the monitoring.
  • the period information and the start time offset value information calculate a starting time for monitoring the first cell; to enable the UE to listen to the physical channel of the first cell when the starting time arrives;
  • the UE monitors that the listening state of the physical channel of the first cell meets a preset condition the UE ends listening to the physical channel of the first cell, and listens to the physical channel of the second cell.
  • the UE can calculate the starting time of monitoring the first cell by using the monitoring period information and the starting time offset value information, and monitor the physical channel of the first cell at the starting time.
  • the transmitter 101 may be further configured to send, by using the device of the second cell, an indication message that is sent to the UE, where the first time of the first cell is monitored, to enable the UE to be in the Listening to the physical channel of the first cell when the start time arrives; when the UE monitors that the listening state of the physical channel of the first cell meets a preset condition, the UE ends listening to the physical of the first cell. Channel, listening to the physical channel of the second cell. Or
  • the transmitter 101 may be further configured to send, by using the device of the second cell, an indication message to the UE, where the indication message is used to indicate that the UE is listening to the first cell, and the receiving moment of the indication message is a monitoring station. Determining a start time of the first cell; to enable the UE to listen to the physical channel of the first cell when the UE arrives at the start time; and when the UE listens to the monitoring state of the physical channel of the first cell, When the condition is preset, the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • an apparatus for transmitting an indication message for monitoring a start time of the first cell or an indication message for monitoring the first cell to a second cell may be implemented, of course, while sending the message
  • the identifier of the UE may also be sent to the device of the second cell, so that the device of the second cell may send the message to the UE after receiving the message.
  • the transmitter 101 may be further configured to send, to the UE, a threshold value of a number of subframes that listen to a physical channel of the first cell, so that the UE monitors the first cell.
  • a threshold value of a number of subframes that listen to a physical channel of the first cell, so that the UE monitors the first cell.
  • the UE can only listen to the threshold sub-frames of the physical channel of the first cell.
  • the transmitter 101 may be further configured to send, to the UE, a DRX parameter that listens to the first cell, where the DRX parameter includes a start time of listening to the first cell in a DRX cycle. And causing the UE to start listening to the physical channel of the first cell at the start time; when the UE monitors that the listening state of the physical channel of the first cell meets a preset condition, ending listening to the A physical channel of a cell, listening to a physical channel of the second cell.
  • the UE may start to monitor the physical channel of the first cell at the start time of the DRX cycle.
  • the device may further include:
  • the processor 102 is configured to control the transmitter 101 to send data information to the UE or the device of the second cell. It should be noted that, in the present invention, the process of monitoring a cell may include performing data transmission with a device of the monitored cell, such as transmitting uplink data or transmitting downlink data.
  • FIG. 19 is a schematic structural diagram of another time-sharing monitoring system according to an embodiment of the present invention. As shown in FIG. 19, the method includes: a UE 111 and a network device 112, where:
  • Network device 112 includes: a transmitter, wherein:
  • the transmitter is configured to send, to the UE, information for monitoring a start time of the first cell
  • the UE 111 includes: a receiver and a processor, where:
  • the receiver is configured to acquire information that is sent by the network device 112 to monitor a start time of the first cell;
  • the processor is configured to perform the following steps:
  • the physical channel of the first cell is monitored and the physical channel of the second cell is monitored.
  • the UE acquires information for monitoring a start time of the first cell; When the start time arrives, the physical channel of the first cell is monitored; when the listening state of the physical channel of the first cell is monitored, the UE ends listening to the physical channel of the first cell, and monitors the second cell. Physical channel. Since the start time of monitoring the first cell and the second cell is clarified, network resource utilization can be improved.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente invention concernent un procédé de surveillance répartie dans le temps consistant à : acquérir des informations sur un instant de démarrage en vue de la surveillance d'une première cellule ; lorsque l'instant de démarrage arrive, surveiller un canal physique de la première cellule ; lorsqu'un état surveillé du canal physique de la première cellule satisfait une condition prédéfinie, terminer la surveillance du canal physique de la première cellule et surveiller un canal physique d'une seconde cellule. De manière correspondante, les modes de réalisation de la présente invention concernent également un dispositif associé et un système de surveillance répartie dans le temps. Les modes de réalisation de la présente invention peuvent améliorer l'utilisation des ressources d'un réseau.
PCT/CN2012/086792 2012-12-17 2012-12-17 Procédé, dispositif et système de surveillance répartie dans le temps WO2014094212A1 (fr)

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