WO2015113223A1 - 信道监听方法及设备 - Google Patents
信道监听方法及设备 Download PDFInfo
- Publication number
- WO2015113223A1 WO2015113223A1 PCT/CN2014/071697 CN2014071697W WO2015113223A1 WO 2015113223 A1 WO2015113223 A1 WO 2015113223A1 CN 2014071697 W CN2014071697 W CN 2014071697W WO 2015113223 A1 WO2015113223 A1 WO 2015113223A1
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- WIPO (PCT)
- Prior art keywords
- carrier
- frequency resource
- information
- state
- notification message
- Prior art date
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0238—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is an unwanted signal, e.g. interference or idle signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to communications technologies, and in particular, to a channel monitoring method and device. Background technique
- a part of the spectrum is authorized by a certain mobile operator or a certain mobile technology (such as Universal Mobile Telecommunications System (UMTS), or Long Term Evolution (LTE)).
- UMTS Universal Mobile Telecommunications System
- LTE Long Term Evolution
- this part of the spectrum is called the licensed spectrum.
- Part of the spectrum is also allocated to unlicensed user equipment (User Equipment, UE for short). In these spectrums, different wireless devices can share the frequency resource. This spectrum is called unlicensed spectrum.
- Unlicensed spectrum refers to any organization or personal device that can be used. However, it is necessary to follow certain rules when it is used, that is, to listen and then send, as long as any device monitors the spectrum idle, it can send signals on the unlicensed spectrum. If an LTE network is deployed on the unlicensed spectrum, the carrier corresponding to the unlicensed spectrum of the UE may appear dynamically. That is to say, the UE cannot continuously occupy resources of the unlicensed spectrum.
- the present invention provides a channel monitoring method and device, which are used to implement a problem in which a UE utilizes an unlicensed spectrum frequency to communicate with a base station, and can reduce power consumption of the UE.
- an embodiment of the present invention provides a channel monitoring method, including:
- the user equipment UE receives the first notification message sent by the base station, where the first notification message includes: usage information of the frequency resource of the second carrier; Determining, by the UE, whether the frequency resource of the second carrier is in an available state according to the first notification message;
- the UE determines that the frequency resource of the second carrier is in an available state, listening to the physical downlink control channel PDCCH corresponding to the second carrier; otherwise, stopping listening to the PDCCH corresponding to the second carrier;
- the second carrier is a carrier that the UE works on a frequency resource that is not continuously occupied.
- the receiving, by the UE, the first notification message sent by the base station includes:
- the first carrier is a carrier that the UE works on continuously occupied frequency resources.
- the usage information of the frequency resource of the second carrier includes one or more of the following information:
- the usage information of the frequency resource of the second carrier includes: the frequency resource of the second carrier is unavailable. Information on the length of time;
- Determining, according to the first notification message, whether the frequency resource of the second carrier is in an available state including:
- the information about the use of the frequency resource of the second carrier includes: the frequency resource of the second carrier is available. Length of time information;
- Determining, according to the first notification message, whether the frequency resource of the second carrier is in an available state including:
- the information about the frequency resource of the second carrier is included, where
- the base station schedules the UE to perform scheduling indication information for data transmission on the second carrier.
- the information about the frequency resource usage of the second carrier includes: releasing the frequency resource of the second carrier Information
- the method further includes:
- an embodiment of the present invention provides a channel monitoring method, including:
- the user equipment UE receives the configuration message sent by the base station, where the configuration message includes: discontinuously receiving configuration information of the DRX;
- the UE After the UE is configured according to the configuration information, after receiving the physical downlink control channel PDCCH corresponding to the first carrier in the preset first time period, the UE enters the first DRX cycle state, and enters the first After a DRX cycle state, stopping listening to the PDCCH corresponding to the second carrier;
- the second carrier is a carrier that the UE works on a frequency resource that is not continuously occupied
- the first carrier is a carrier that the UE works on a continuously occupied frequency resource.
- the UE is configured according to the second After the information is configured, after the physical downlink control channel PDCCH corresponding to the first carrier is not received in the preset first time period, the first DRX cycle state is entered, and after the UE enters the first DRX cycle state, the UE stops.
- Listening to the PDCCH corresponding to the second carrier after the UE is configured according to the configuration information, after receiving the PDCCH corresponding to the first carrier in the preset first time period, after entering the first DRX cycle state, If the PDCCH is not received continuously for a preset second time period during the duration of the first DRX cycle, the second DRX cycle state is entered, and after the UE enters the second DRX cycle state, the UE stops. Listening to the PDCCH corresponding to the second carrier.
- the method further includes:
- the UE After the UE exits the first DRX cycle state, it starts to monitor the PDCCH corresponding to the second carrier.
- the method further includes:
- the UE After the UE exits the second DRX cycle state, it starts to monitor the PDCCH corresponding to the second carrier.
- an embodiment of the present invention provides a channel monitoring method, including:
- the user equipment UE configures at least one logical channel for carrying data
- the UE stops listening to the physical downlink control channel PDCCH corresponding to the second carrier;
- the data carried by the at least one logical channel selects a second carrier to transmit at a higher priority than the first carrier, and the second carrier is a carrier that the UE works on a non-continuously occupied frequency resource. .
- the method further includes:
- the PDCCH corresponding to the second carrier is stopped from being monitored.
- an embodiment of the present invention provides a user equipment, including:
- a receiving unit configured to receive a first notification message sent by the base station, where the first notification message includes: usage information of a frequency resource of the second carrier;
- a determining unit configured to determine the second according to the first notification message received by the receiving unit Whether the frequency resource of the carrier is in an available state
- a monitoring unit configured to: when the determining unit determines that the frequency resource of the second carrier is in an available state, listening to the physical downlink control channel PDCCH corresponding to the second carrier; otherwise, stopping listening to the PDCCH corresponding to the second carrier ;
- the second carrier is a carrier that the user equipment UE works on a frequency resource that is not continuously occupied.
- the receiving unit is specifically used to
- the first carrier is a carrier that the UE works on continuously occupied frequency resources.
- the usage information of the frequency resource of the second carrier includes one or more of the following information:
- the usage information of the frequency resource of the second carrier includes: the frequency resource of the second carrier is not available The information of the length of time used, then the determining unit is specifically used for
- the determining unit is specifically used for Determining, according to the first notification message received by the receiving unit, that the frequency resource of the second carrier is in an available state, and determining a time length of an available state of the frequency resource of the second carrier, ending at a time length of the available state After that, it is determined that the frequency resource of the second carrier is in an unavailable state.
- the information that the frequency resource of the second carrier is available includes:
- the base station schedules the UE to perform scheduling indication information for data transmission on the second carrier.
- the determining unit is specifically used to determine whether the usage information of the frequency resource of the second carrier includes: the frequency resource of the second carrier Release the information.
- the user equipment further includes: a release unit;
- the releasing unit is configured to release the frequency resource of the occupied second carrier according to the first notification message received by the receiving unit.
- an embodiment of the present invention provides a user equipment, including:
- a receiving unit configured to receive a configuration message sent by the base station, where the configuration message includes: configuration information that does not continuously receive the DRX;
- a configuration unit configured to perform configuration according to the configuration message received by the receiving unit, where the monitoring unit is configured to: after the configuration unit is configured, not receiving the physical downlink corresponding to the first carrier in the preset first time period After the control channel PDCCH, enter the first DRX cycle state, and after the UE enters the first DRX cycle state, stop listening to the PDCCH corresponding to the second carrier;
- the second carrier is a carrier that the user equipment UE works on a non-continuously occupied frequency resource
- the first carrier is a carrier that the UE works on a continuously occupied frequency resource.
- the monitoring unit is further configured to: after the configuration unit performs configuration, does not receive the PDCCH corresponding to the first carrier in the preset first time period. After entering the first DRX cycle state, the UE does not receive the PDCCH continuously for a preset second time period, and enters a second DRX cycle state, where the UE is in the duration of the first DRX cycle. After entering the second DRX cycle state, stop The PDCCH corresponding to the second carrier is monitored.
- the monitoring unit is further configured to start listening to the PDCCH corresponding to the second carrier after the UE exits the first DRX cycle state.
- the monitoring unit is further used to
- the UE After the UE exits the second DRX cycle state, it starts to listen to the PDCCH corresponding to the second carrier.
- an embodiment of the present invention provides a user equipment, including:
- a configuration unit configured to configure at least one logical channel carrying data
- the monitoring unit is configured to stop listening to the physical downlink control channel PDCCH corresponding to the second carrier when the data carried by the at least one logical channel is not transmitted by using the second carrier in a preset first time period;
- the data carried by the at least one logical channel selects a second carrier to transmit at a higher priority than the first carrier, and the second carrier is a carrier that the UE works on a non-continuously occupied frequency resource. .
- the monitoring unit is further configured to stop listening to the second carrier when there is no data transmission on the second carrier in a preset second time period. Corresponding PDCCH.
- the seventh aspect of the present invention provides a user equipment, including:
- the memory for storing instructions
- the processor for executing instructions stored in the memory, for
- the base station And receiving, by the base station, a first notification message, where the first notification message includes: usage information of a frequency resource of the second carrier;
- the second carrier is a user equipment UE working on a frequency resource that is not continuously occupied. Carrier.
- the processor is specifically configured to receive a first notification message that is sent by the base station by using the second carrier;
- the first carrier is a carrier that the UE works on continuously occupied frequency resources.
- the usage information of the frequency resource of the second carrier includes one or more of the following information:
- the information about the use of the frequency resource of the second carrier includes: the frequency resource of the second carrier is not available When the information of the length of time is used, the processor is specifically used for
- the information about the use of the frequency resource of the second carrier includes: the frequency resource of the second carrier is available The length of time information when the processor is specifically used
- the information about the frequency resource of the second carrier is included, where
- the base station schedules scheduling indication information that the UE performs data transmission on the second carrier.
- the usage information of the frequency resource of the second carrier includes: a frequency resource of the second carrier When the information is released, the processor is specifically used to
- the processor is also used to control
- the eighth aspect of the present invention provides a user equipment, including:
- the memory for storing instructions
- the processor for executing instructions stored in the memory, for
- the configuration message includes: configuration information that discontinuously receives the DRX;
- the first DRX cycle state is entered, and the UE enters the first DRX cycle. After the state, stop listening to the PDCCH corresponding to the second carrier;
- the second carrier is a carrier that the user equipment UE works on a frequency resource that is not continuously occupied.
- the processor is further configured to: after the configuration is performed according to the configuration information, the PDCCH corresponding to the first carrier is not received in the preset first time period. After entering the first DRX cycle state, during the duration of the first DRX cycle, the PDCCH is not continuously received within a preset second time period, and then enters a second DRX cycle state, where After the UE enters the second DRX cycle state, it stops listening to the PDCCH corresponding to the second carrier.
- the processor is further configured to start listening to the PDCCH corresponding to the second carrier after the UE exits the first DRX cycle state.
- the processor is further used to
- a ninth aspect, the embodiment of the present invention provides a user equipment, including:
- the memory for storing instructions
- the processor for executing instructions stored in the memory, for
- the physical downlink control channel PDCCH corresponding to the second carrier is stopped from being monitored;
- the data carried by the at least one logical channel selects a second carrier to be transmitted with a higher priority than the first carrier; the second carrier is a carrier that the user equipment UE works on a non-continuously occupied frequency resource. .
- the processor is further configured to stop listening to the second carrier when there is no data transmission on the second carrier in a preset second time period Corresponding PDCCH.
- the channel monitoring method and device of the embodiment of the present invention pass
- Figure 1 is a schematic diagram of the current DRX cycle
- FIG. 2 is a schematic flowchart of a channel monitoring method according to a first embodiment of the present invention
- FIG. 3 is a schematic flowchart of a channel monitoring method according to a second embodiment of the present invention
- FIG. 5 is a schematic flowchart of a channel monitoring method according to a fourth embodiment of the present invention
- FIG. 6 is a schematic flowchart of a channel monitoring method according to a fifth embodiment of the present invention
- FIG. 8 is a schematic structural diagram of a user equipment according to a seventh embodiment of the present invention
- FIG. 9 is a schematic structural diagram of a user equipment according to an eighth embodiment of the present invention
- FIG. 10 is a schematic structural diagram of a user equipment according to a ninth embodiment of the present invention.
- the discontinuous reception (DRX) state means that the user equipment (User Equipment, referred to as UE) receives the Physical Downlink Control Channel (PDCCH) for a period of time in a DRX cycle. S ⁇ DRX ON, the DRX OFF is not received for the rest of the time. Therefore, the network side device can only schedule UEs during DRX ON.
- UE User Equipment
- PDCCH Physical Downlink Control Channel
- the UE may be in a DRX cycle state after there is no data.
- LTE Long Term Evolution
- the current DRX is divided into two levels.
- the first level is the short-cycle DRX
- the second level is the long-cycle DRX.
- the UE enters the state of the short DRX cycle if there is no data for a period of time. If you stay in a short period of time and still have no data, you will enter the long-cycle DRX state.
- the long-cycle DRX cycle is longer than the short cycle, and the effect is better than the short cycle. However, after the UE data arrives, the scheduling delay is longer. Big.
- Multi-carrier DRX can be understood as follows: After the introduction of multi-carrier technology, the UE can send and receive data on multiple carriers at the same time.
- the embodiment of the present invention provides the following channel monitoring method.
- FIG. 2 is a schematic flowchart of a channel monitoring method according to a first embodiment of the present invention. As shown in FIG. 2, the channel monitoring method in this embodiment includes:
- the UE receives the first notification message sent by the base station, where the first notification message includes: usage information of the frequency resource of the second carrier.
- the UE may receive the first notification message sent by the base station by using the second carrier, or
- the UE may receive a first notification message sent by the base station by using the first carrier.
- the second carrier in this embodiment may be a carrier that the UE works on a non-continuously occupied frequency resource; the first carrier may be a carrier that the UE works on continuously occupied frequency resources.
- the UE may receive the first notification message sent by the base station by using the first carrier. If the second carrier is available, the UE may receive the base station through the first carrier or The first notification message sent by the second carrier.
- the UE receives the carrier configuration information sent by the base station, and the UE configures the working carrier on the continuously occupied frequency resource as the first carrier according to the carrier configuration information, and configures the carrier wave working on the non-continuously occupied frequency resource as the second carrier.
- the first carrier may be a carrier configured by the base station to operate on an authorized frequency
- the second carrier may be a carrier configured by the base station to operate on an unlicensed frequency.
- the foregoing second carrier may also be a carrier that the UE configured by the base station operates on the authorized frequency.
- the frequency resource corresponding to the second carrier may be discontinuously occupied in time.
- the usage information of the frequency resource of the second carrier includes one or more of the following information: information that the frequency resource of the second carrier is available;
- the available information of the frequency resource of the second carrier may include: scheduling instruction information that the base station schedules the UE to perform data transmission on the second carrier or other information sent by the base station, and this embodiment is only an example. It is not limited.
- the UE determines, according to the first notification message, whether a frequency resource of the second carrier is in an available state.
- the UE determines that the frequency resource of the second carrier is in an available state, listening to the PDCCH of the second carrier; otherwise, stopping listening to the PDCCH of the second carrier;
- the usage information of the frequency resource of the second carrier in the foregoing step 201 includes: information about a length of time when the frequency resource of the second carrier is unavailable;
- step 202 can include step 202a, not shown in the following figures:
- the base station may send the first notification message to the UE by using the first carrier, so that the UE may determine, according to the first notification message, that the frequency resource of the second carrier is unavailable. length of time. Further, when the frequency resource of the second carrier is unavailable, the UE may not monitor the PDCCH of the second carrier, thereby reducing the power consumption of the UE.
- the usage information of the frequency resource of the second carrier in the foregoing step 201 includes: release information of the frequency resource of the second carrier;
- step 202 can include step 202b, not shown in the following figures:
- the UE determines, according to the first notification message, that the frequency resource of the second carrier is in an unavailable state.
- the usage information of the frequency resource of the second carrier in the foregoing step 201 includes: information about a length of time that the frequency resource of the second carrier is available;
- step 202 can include step 202c, not shown in the following figures:
- 202c determining, according to the first notification message, that a frequency resource of the second carrier is in an available state, and determining a time length of an available state of the frequency resource of the second carrier, after the time length of the available state ends, Determining that the frequency resource of the second carrier is in an unavailable state.
- the UE receives the first notification message that is sent by the base station and includes the usage information of the frequency resource of the second carrier, and further determines, according to the first notification message, whether the frequency resource of the second carrier is in an available state, and further Determining whether the PDCCH of the second carrier needs to be monitored, so that when the frequency resource of the second carrier is unavailable, the PDCCH of the second carrier is stopped, the power consumption of the UE is reduced, and the UE can reasonably utilize the unlicensed frequency and the base station.
- FIG. 3 is a schematic flowchart of a channel monitoring method according to a second embodiment of the present invention. As shown in FIG. 3, the channel monitoring method in this embodiment includes:
- the UE receives a first notification message that is sent by the base station by using the first carrier or the second carrier, where the first notification message includes: release information of the frequency resource of the second carrier.
- the UE determines, according to the first notification message, that the frequency resource of the second carrier is in an unavailable state.
- the UE releases the frequency resource of the occupied second carrier according to the first notification message.
- the above method reduces the power consumption of the UE, and enables the UE to reasonably utilize the unlicensed frequency to communicate with the base station.
- This embodiment is for illustrative purposes only, and does not limit the order of the steps. In a specific application process, some steps may be adjusted in order or in parallel.
- the channel monitoring method in this embodiment includes:
- the UE receives a configuration message sent by the base station, where the configuration message includes: configuration information of the DRX.
- the configuration information of the DRX in this embodiment may be: a DRX cycle length or an event length of the PDCCH monitored during the DRX cycle.
- the UE After the UE is configured according to the configuration information, after the PDCCH corresponding to the first carrier is not received in the preset first time period, the UE enters the first DRX cycle state, and the UE enters the first DRX cycle state. After that, the PDCCH corresponding to the second carrier is stopped.
- the first carrier is a carrier that the UE works on a continuously occupied frequency resource
- the second carrier is a carrier that the UE works on a frequency resource that is not continuously occupied.
- the first DRX cycle state at this point can be understood as the shorter DRX cycle state in Fig. 1.
- the method shown in FIG. 4 may further include a step 403 not shown in the following figure:
- the foregoing method enables the UE to reasonably utilize the unlicensed frequency to communicate with the base station, and can reduce the power consumption of the UE.
- FIG. 5 is a schematic flowchart of a channel monitoring method according to a fourth embodiment of the present invention. As shown in FIG. 5, the channel monitoring method in this embodiment includes:
- the UE receives a configuration message sent by the base station, where the configuration message includes: configuration information of the DRX.
- the UE After the UE is configured according to the configuration information, after the PDCCH corresponding to the first carrier is not received in the preset first time period, after entering the first DRX cycle state, during the duration of the first DRX cycle. , not received within the preset second time period The PDCCH enters a second DRX cycle state, and after the UE enters the second DRX cycle state, stops listening to the PDCCH corresponding to the second carrier;
- the first carrier is a carrier that the UE works on a continuously occupied frequency resource
- the second carrier is a carrier that the UE works on a frequency resource that is not continuously occupied.
- the first DRX cycle and the second DRX cycle in the step may be preset, as shown in FIG.
- the method illustrated in FIG. 5 may further include a step 503 not shown in the following figures:
- the UE After the UE exits the second DRX cycle state, it starts to monitor the PDCCH corresponding to the second carrier.
- the foregoing method enables the UE to reasonably utilize the unlicensed frequency to communicate with the base station, and can reduce the power consumption of the UE.
- FIG. 6 is a schematic flowchart of a channel monitoring method according to a fifth embodiment of the present invention. As shown in FIG. 6, the channel monitoring method in this embodiment includes:
- the UE configures at least one logical channel for carrying data.
- the UE stops listening to the PDCCH corresponding to the second carrier.
- the priority of the second carrier transmission selected by the data carried by the first logical channel is higher than the priority of the first carrier transmission
- the first carrier and the second carrier have different priorities when transmitting data on the logical channel; SP, the second carrier transmits data on the logical channel with a priority higher than the first carrier transmission The data on the logical channel has a high priority.
- the foregoing first carrier may be a carrier that the UE works on a continuously occupied frequency resource
- the second carrier may be a carrier that the UE works on a frequency resource that is not continuously occupied.
- the method illustrated in FIG. 6 may further include a step 603 not shown in the following figures:
- the foregoing method enables the UE to reasonably utilize the unlicensed frequency to communicate with the base station, and can reduce the power consumption of the UE.
- FIG. 7 is a schematic structural diagram of a user equipment according to a sixth embodiment of the present invention, as shown in FIG.
- the user equipment of this embodiment includes: a receiving unit 71, a determining unit 72, and a listening unit 73.
- the receiving unit 71 is configured to receive a first notification message sent by the base station, where the first notification message includes: a frequency resource of the second carrier Use information;
- the determining unit 72 is configured to determine, according to the first notification message received by the receiving unit 71, whether the frequency resource of the second carrier is in an available state;
- the monitoring unit 73 is configured to: after determining, by the determining unit 72, that the frequency resource of the second carrier is in an available state, listening to the physical downlink control channel PDCCH of the second carrier, determining, by the determining unit 72, that the frequency resource of the second carrier is If the state is unavailable, the PDCCH of the second carrier is stopped to be monitored;
- the second carrier is a carrier that the user equipment UE works on a frequency resource that is not continuously occupied.
- the receiving unit 71 is specifically configured to receive a first notification message that is sent by the base station by using the second carrier, or receive a first notification message that is sent by the base station by using the first carrier, where the first carrier is the continuously occupied frequency of the UE.
- the carrier that works on the resource.
- the usage information of the frequency resource of the second carrier may include one or more of the following information: information that the frequency resource of the second carrier is available;
- the information about the frequency resource of the second carrier may include: scheduling indication information that the base station schedules the UE to perform data transmission on the second carrier.
- the determining unit 72 is specifically configured to receive according to the receiving unit 71.
- the first notification message determines that the frequency resource of the second carrier is in an unavailable state, and determines a length of time of the unavailable state of the frequency resource of the second carrier, after the time length of the unavailable state ends, determining The frequency resource of the second carrier is in an available state.
- the determining unit 72 has The method is used to determine, according to the first notification message received by the receiving unit 71, that the frequency resource of the second carrier is in an available state, and determine a time length of an available state of the frequency resource of the second carrier, and After the end of the available time period, it is determined that the frequency resource of the second carrier is in an unavailable state.
- the determining unit 73 is specifically configured to be used according to the receiving unit 71. Receiving, by the first notification message, that the frequency resource of the second carrier is in an unavailable state;
- the user equipment further includes a release unit 74 not shown in the figure, and the release unit 74 is configured to release the frequency resource of the occupied second carrier according to the first notification message received by the receiving unit 71.
- FIG. 8 is a schematic structural diagram of the user equipment according to the seventh embodiment of the present invention.
- the user equipment of this embodiment includes: The receiving unit 81, the arranging unit 82, and the listening unit 83; wherein, the receiving unit 81 is configured to receive a configuration message sent by the base station, where the configuration message includes: a configuration message of the DRX;
- the configuration unit 82 is configured to be configured according to the configuration information received by the receiving unit 81.
- the monitoring unit 83 is configured to: after the configuration unit 82 performs configuration, does not receive the physical downlink control channel corresponding to the first carrier in the preset first time period. After the PDCCH, the UE enters the first DRX cycle state, and after the UE enters the first DRX cycle state, stops listening to the PDCCH corresponding to the second carrier.
- the second carrier may be a carrier that the UE works on a frequency resource that is not continuously occupied.
- the foregoing listening unit 83 is further configured to start listening to the PDCCH corresponding to the second carrier after the UE exits the first DRX cycle state.
- the receiving unit 81 is configured to receive a configuration message sent by the base station, where the configuration message includes: a DRX configuration message;
- the configuration unit 82 is configured to be configured according to the configuration information received by the receiving unit 81.
- the monitoring unit 83 is configured to: after the configuration unit 82 performs configuration, after receiving the PDCCH corresponding to the first carrier in the preset first time period, enter the first After a DRX cycle state, If the PDCCH is not received continuously for a preset second time period during the duration of the first DRX cycle, the second DRX cycle state is entered, and after the UE enters the second DRX cycle state, the UE stops. Listening to the PDCCH corresponding to the second carrier.
- the foregoing listening unit 73 is further configured to start listening to the PDCCH corresponding to the second carrier after the UE exits the second DRX cycle.
- the first carrier may be a carrier that the UE works on a continuously occupied frequency resource
- the second carrier may be a carrier that the UE works on a frequency resource that is not continuously occupied.
- FIG. 9 is a schematic structural diagram of a user equipment according to an eighth embodiment of the present invention.
- the user equipment in this embodiment includes: a configuration unit 91 and a monitoring unit 92;
- the configuration unit 91 is configured to configure at least one logical channel for carrying data, and the monitoring unit 92 is configured to transmit, by using the second carrier, data carried by the at least one logical channel in a preset first time period. Stop listening to the physical downlink control channel PDCCH corresponding to the second carrier;
- the data carried by the at least one logical channel selects a second carrier to transmit at a higher priority than the first carrier, and the second carrier is a carrier that the UE works on a non-continuously occupied frequency resource. .
- the first carrier may be a carrier that the UE works on the continuously occupied frequency resources
- the second carrier may be a carrier that the UE works on the non-continuously occupied frequency resources.
- the monitoring unit 72 is further configured to stop listening to the PDCCH corresponding to the second carrier when there is no data transmission on the second carrier in the preset second time period.
- the preset first time period and the second time period in this embodiment may be different from the first time period and the second time period in the description of FIG. 8.
- FIG. 10 is a schematic structural diagram of a user equipment according to a ninth embodiment of the present invention.
- the user equipment in this embodiment includes: a processor 1001, a memory 1002, a bus 1003, and a communication interface 1004.
- the processor 1001 and The memory 1002 can be connected by a bus 1003, wherein the memory 1002 is used to store instructions, and the processor 1001 executes instructions stored in the memory 1002 to perform the following processing:
- the base station And receiving, by the base station, a first notification message, where the first notification message includes: usage information of a frequency resource of the second carrier;
- the processor 1001 is specifically configured to: receive a first notification message sent by the base station by using the second carrier; or, receive a first notification message sent by the base station by using the first carrier;
- the first carrier is a carrier that the UE works on a continuously occupied frequency resource
- the second carrier is a carrier that the UE works on a frequency resource that is not continuously occupied.
- the usage information of the frequency resource of the second carrier includes one or more of the following information: information that the frequency resource of the second carrier is available;
- the information about the frequency resource of the second carrier may include: scheduling indication information that the base station schedules the UE to perform data transmission on the second carrier.
- the processor 1001 may be specifically configured to: Determining, by the first notification message, that the frequency resource of the second carrier is in an unavailable state, and determining a length of time of the unavailable state of the frequency resource of the second carrier, after the time length of the unavailable state ends, determining The frequency resource of the second carrier is in an available state.
- the processor 1001 is specifically configured to: Determining, by the first notification message, that the frequency resource of the second carrier is in an available state, and determining a length of time of the available state of the frequency resource of the second carrier, after the time length of the available state ends, determining the first The frequency resource of the two carriers is in an unavailable state.
- the processor 1001 when the usage information of the frequency resource of the second carrier includes the release information of the frequency resource of the second carrier, the processor 1001 is specifically configured to: according to the first notification The message determines that the frequency resource of the second carrier is in an unavailable state; And releasing the frequency resource of the occupied second carrier according to the first notification message. In a fourth optional implementation scenario, the processor 1001 is specifically configured to: receive a configuration message sent by the base station, where the configuration message includes: configuration information of the DRX;
- the first DRX cycle state is entered, and the UE enters the first DRX cycle. After the state, stop listening to the PDCCH corresponding to the second carrier;
- the second carrier is a carrier that the user equipment UE works on a non-continuously occupied frequency resource
- the first carrier is a carrier that the UE works on a continuously occupied frequency resource.
- the processor 1001 is further configured to start listening to the PDCCH corresponding to the second carrier after the UE exits the first DRX cycle state.
- the processor 1001 is specifically configured to: receive a configuration message sent by the base station, where the configuration message includes: configuration information of the DRX;
- the duration of the first DRX cycle is continuous.
- the second DRX cycle state is entered, and after the UE enters the second DRX cycle state, the PDCCH corresponding to the second carrier is stopped.
- the processor 1001 is further configured to start listening to the PDCCH corresponding to the second carrier after the UE exits the second DRX cycle state.
- the processor 1001 is specifically configured to: configure at least one logical channel for carrying data; if the data carried by the at least one logical channel is not in the preset first time period Passing the second carrier transmission, stopping listening to the physical downlink control channel PDCCH corresponding to the second carrier;
- the data carried by the at least one logical channel selects a second carrier to be transmitted with a higher priority than the first carrier; the second carrier is a carrier that the user equipment UE works on a non-continuously occupied frequency resource. .
- the first carrier is a carrier that the UE works on a continuously occupied frequency resource
- the second carrier is a carrier that the UE works on a frequency resource that is not continuously occupied.
- the processor 1001 is further configured to: in the preset second time period, the second carrier When there is no data transmission, the PDCCH corresponding to the second carrier is stopped.
- the processor 1001 described above can perform any of the foregoing methods, and the embodiment is merely illustrative.
- the foregoing user equipment can reduce power consumption while communicating by using an unlicensed frequency.
- the aforementioned program can be stored in a computer readable storage medium.
- the program when executed, performs the steps including the above-described method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
Abstract
Description
Claims
Priority Applications (6)
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EP14880690.4A EP3091772A4 (en) | 2014-01-28 | 2014-01-28 | Channel monitoring method and device |
CA2938016A CA2938016C (en) | 2014-01-28 | 2014-01-28 | Channel monitoring method and device |
CN201480000405.3A CN105165047B (zh) | 2014-01-28 | 2014-01-28 | 信道监听方法及设备 |
CN201910606645.2A CN110278564A (zh) | 2014-01-28 | 2014-01-28 | 信道监听方法及设备 |
US15/221,126 US10736038B2 (en) | 2014-01-28 | 2016-07-27 | Channel monitoring method and device |
Applications Claiming Priority (1)
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PCT/CN2014/071697 WO2015113223A1 (zh) | 2014-01-28 | 2014-01-28 | 信道监听方法及设备 |
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US15/221,126 Continuation US10736038B2 (en) | 2014-01-28 | 2016-07-27 | Channel monitoring method and device |
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WO2015113223A1 true WO2015113223A1 (zh) | 2015-08-06 |
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EP (1) | EP3091772A4 (zh) |
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WO (1) | WO2015113223A1 (zh) |
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CN112073950A (zh) | 2018-03-26 | 2020-12-11 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的用户设备、基站中的方法和装置 |
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WO2020032612A1 (en) * | 2018-08-10 | 2020-02-13 | Lg Electronics Inc. | Method and apparatus for triggering transmission carrier reselection procedure for deactivated duplication in wireless communication system |
CN111148129B (zh) * | 2018-11-05 | 2022-12-27 | 上海朗帛通信技术有限公司 | 被用于无线通信的用户设备、基站中的方法和装置 |
CN111769924B (zh) * | 2019-04-02 | 2023-08-22 | 大唐移动通信设备有限公司 | 一种信号传输方法、装置及设备 |
WO2021000239A1 (zh) * | 2019-07-01 | 2021-01-07 | Oppo广东移动通信有限公司 | 无线通信方法、网络设备和终端设备 |
CN112888051A (zh) * | 2019-11-30 | 2021-06-01 | 华为技术有限公司 | 用于非授权频段的drx的方法和终端装置 |
CN111278096B (zh) * | 2020-01-21 | 2023-07-04 | 展讯通信(上海)有限公司 | 信道监听的指示方法、装置及存储介质 |
CN113163413B (zh) * | 2020-01-22 | 2023-09-01 | 华为技术有限公司 | 无线通信方法、终端设备和网络设备 |
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CA2938016C (en) | 2021-12-14 |
EP3091772A1 (en) | 2016-11-09 |
CN110278564A (zh) | 2019-09-24 |
CN105165047A (zh) | 2015-12-16 |
US20160337975A1 (en) | 2016-11-17 |
US10736038B2 (en) | 2020-08-04 |
CN105165047B (zh) | 2019-07-12 |
CA2938016A1 (en) | 2015-08-06 |
EP3091772A4 (en) | 2017-02-15 |
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