CN110740493B - Indication method for monitoring downlink control channel and method for monitoring downlink control channel - Google Patents
Indication method for monitoring downlink control channel and method for monitoring downlink control channel Download PDFInfo
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- CN110740493B CN110740493B CN201810794630.9A CN201810794630A CN110740493B CN 110740493 B CN110740493 B CN 110740493B CN 201810794630 A CN201810794630 A CN 201810794630A CN 110740493 B CN110740493 B CN 110740493B
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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
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- 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
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Abstract
The invention provides an indicating method and an indicating device for monitoring a downlink control channel, a monitoring method and a monitoring device for the downlink control channel and communication equipment. The indication method applied to the monitoring of the downlink control channel of the base station comprises the following steps: receiving a request for entering an intermediate state sent by a terminal, wherein the intermediate state is a state between a wireless resource control signaling connection state and a wireless resource control signaling idle state or a wireless resource control signaling dormant state; and sending a response message to the request to the terminal so that the terminal enters an intermediate state according to the response message and then monitors only the downlink control channel, and the response message bears the broadcast period of the downlink control channel, thereby ensuring that the terminal can accurately receive the downlink control channel and achieving the purpose of saving power. In addition, the response message may carry a broadcast period of the downlink control channel, so as to ensure that the terminal can accurately receive the downlink control channel according to the broadcast period.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an indication method and an indication apparatus for monitoring a downlink control channel, a monitoring method and a monitoring apparatus for a downlink control channel, and a communication device.
Background
Currently, development work of a 5 th generation mobile communication system (5G) is actively underway. According to the future application requirements, the 5G system needs to support a variety of service scenarios, including EMBB (Enhanced Mobile Broadband), URLLC (Ultra-reliable and Low Latency Communications), and MMTC (Massive Machine Type of Communication). In the process of standard formulation, it is proposed that an enhancement is needed in terms of terminal power saving, in 3GPP (3rd Generation Partnership Project) R14 standard, a major research is made on terminal power saving in RRC-connected state, in R16 standard, a further research is made on power saving in RRC-connected state, and of course, how to save power in RRC _ IDLE state/RRC _ INACTIVE state.
Communication in the RRC-connected state consumes more power than in the RRC-IDLE or RRC _ INACTIVE state, and a terminal in the power saving state periodically monitors a PDCCH (Physical Downlink Control Channel) in the RRC-connected mode, and if data is transmitted, the terminal communicates according to a Downlink Control signaling of a gNB (base station), but the power saving requirement in the RRC-connected state is higher, so that a mechanism for monitoring the PDCCH of the terminal needs to be changed, thereby achieving the purpose of power saving.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, an aspect of the present invention is to provide an indication method for monitoring a downlink control channel.
Another aspect of the present invention is to provide a method for monitoring a downlink control channel.
Still another aspect of the present invention is to provide an indicating apparatus for downlink control channel monitoring.
Another aspect of the present invention is to provide an apparatus for monitoring a downlink control channel.
Yet another aspect of the present invention is to provide a communication device.
In view of this, according to an aspect of the present invention, a method for indicating downlink control channel monitoring is provided, which is applied to a base station, and the method includes: receiving a request for entering an intermediate state sent by a terminal, wherein the intermediate state is a state between a wireless resource control signaling connection state and a wireless resource control signaling idle state or a wireless resource control signaling dormant state; and sending a response message to the request to the terminal so that the terminal enters an intermediate state according to the response message and then monitors only the downlink control channel, wherein the response message carries the broadcast period of the downlink control channel.
The indicating method for monitoring the downlink control channel defines that a terminal is in an intermediate state between RRC _ connected and RRC _ IDLE/RRC _ INACTIVE states, a base station responds to a request sent by the terminal to enter the intermediate state and sends a response message to the terminal, so that the terminal in a power saving state enters the intermediate state, and the terminal only monitors the downlink control channel sent by the base station in the intermediate state, thereby ensuring that the terminal can accurately receive the downlink control channel and simultaneously achieve the purpose of power saving. In addition, a response message replied to the terminal by the base station may carry a broadcast period of the downlink control channel, so as to ensure that the terminal can accurately receive the downlink control channel according to the broadcast period.
In the above technical solution, the terminal in the intermediate state may receive the wake-up message signaling sent by the base station through the secondary communication interface, and wake up the primary communication interface to receive the PDCCH after receiving the wake-up message signaling, or the primary and secondary communication interfaces of the terminal are the same physical interface and may receive the wake-up message signaling, or receive the system message, the PDCCH, and other signaling of the base station, where the secondary communication interface is defined to monitor only the wake-up message signaling sent by the base station, and the secondary communication interface consumes much less power than the primary communication interface.
The indication method for monitoring the downlink control channel according to the present invention may further have the following technical features:
in the above technical solution, preferably, the method further includes: and setting a data identifier according to the type of the cache data, and sending the data identifier to the terminal so that the terminal can switch states according to the data identifier, wherein the data identifier indicates that the cache data is urgent data or non-urgent data.
In the technical scheme, the base station sets a data identifier according to the type of the buffered data and sends the data identifier to the terminal, for example, the type of the buffered data can be identified by one bit, so that the terminal is converted into an RRC _ connected state from an intermediate state according to the type of the buffered data. For example, when the type of the buffered data is urgent, the terminal is immediately waken to enter the RRC _ connected state, and when the type of the buffered data is general, the terminal may be waken to enter the RRC _ connected state after several monitoring according to the size of the data amount, so as to ensure that the urgent data can be processed in time, and ensure that the terminal is not frequently waken to process the non-urgent data, so that the terminal can save power.
In any of the above technical solutions, preferably, the method further includes: and setting a switching identifier, and sending the switching identifier to the terminal so that the terminal can switch the state according to the switching identifier.
In the technical scheme, the base station may also directly set a handover identifier and send the handover identifier to the terminal, for example, a bit is used to identify whether to wake up the terminal to enter an RRC _ connected state to receive the buffered data, thereby ensuring that the terminal can process the buffered data in time.
In any of the above solutions, preferably, the broadcast periods of different subcarrier spaces are different.
In the technical scheme, the response message replied to the terminal by the base station can carry the broadcast period of the downlink control channel, and the broadcast periods corresponding to different subcarrier spaces are different, so that the terminal can accurately receive the downlink control channel according to the corresponding broadcast periods in different subcarrier spaces. Wherein the subcarrier space may be 15KHz, 30KHz, 60KHz, 120KHz, etc.
According to another aspect of the present invention, a method for monitoring a downlink control channel is provided, which is applied to a terminal, and the method includes: receiving a response message of the base station to the request for entering the intermediate state, wherein the intermediate state is a state between a wireless resource control signaling connection state and a wireless resource control signaling idle state or a wireless resource control signaling dormant state, and the response message carries a broadcast period of a downlink control channel; and entering an intermediate state according to the response message, and monitoring a downlink control channel according to a broadcast period.
The monitoring method of the downlink control channel provided by the invention defines that a terminal is in an intermediate state between RRC _ connected and RRC _ IDLE/RRC _ INACTIVE states, the terminal sends a request for entering the intermediate state to a base station and receives a response message which is fed back by the base station and is corresponding to the request. Further, the terminal enters an intermediate state and monitors the downlink control channel according to the broadcast period carried in the response message, i.e. the terminal in the power saving state can only monitor the downlink control channel periodically sent by the base station. By adopting the technical scheme of the invention, the mechanism for monitoring the downlink control channel of the terminal is optimized, and the aim of saving power is fulfilled while the terminal can accurately receive the downlink control channel. In addition, the terminal is ensured to accurately receive the downlink control channel by utilizing the broadcast period sent by the base station.
In the above technical solution, the terminal in the intermediate state may receive the wake-up message signaling sent by the base station through the secondary communication interface, and wake up the primary communication interface to receive the PDCCH after receiving the wake-up message signaling, or the primary and secondary communication interfaces of the terminal are the same physical interface and may receive the wake-up message signaling, or receive the system message, the PDCCH, and other signaling of the base station, where the secondary communication interface is defined to monitor only the wake-up message signaling sent by the base station, and the secondary communication interface consumes much less power than the primary communication interface.
The monitoring method of the downlink control channel according to the present invention may further have the following technical features:
in the foregoing technical solution, preferably, before receiving a response message of the base station to the request for entering the intermediate state, the method further includes: a request to enter an intermediate state is sent to the base station.
In the technical scheme, before entering the intermediate state, the terminal needs to negotiate with the base station, that is, the terminal sends a request for entering the intermediate state to the base station to request for entering the intermediate state.
In any of the above technical solutions, preferably, the method further includes: receiving a data identifier sent by a base station; when the data identification indicates that the cached data is the emergency data, switching the intermediate state into a radio resource control signaling connection state, and further receiving the cached data; and when the data identification indicates that the cache data is non-urgent data, counting the cache data, switching the intermediate state into a wireless resource control signaling connection state when the quantity of the cache data reaches a preset threshold value, and further receiving the cache data.
In the technical scheme, the terminal is awakened according to different cache data and is converted into the RRC _ connected state from the intermediate state. Specifically, the receiving base station sets a data identifier according to the type of the buffered data, that is, the type of the buffered data may be identified by one bit. When the type of the cache data is urgent, the terminal is immediately awakened to enter the RRC _ connected state, and when the type of the cache data is general, the terminal can be awakened to enter the RRC _ connected state after monitoring for several times according to the amount of the cache data. And further ensuring that urgent data can be processed in time and ensuring that the terminal is not frequently awakened to process non-urgent data, so that the terminal can save electricity.
In any of the above technical solutions, preferably, the method further includes: receiving a switching identifier sent by a base station; when the switching identifier indicates to switch the state, the intermediate state is switched to a wireless resource control signaling connection state, and then cache data is received; when the switching identification indicates that the state switching is not carried out, the intermediate state is continuously maintained.
In the technical scheme, a handover identifier set by the base station may also be received, for example, a bit is used to identify whether to wake up the terminal to enter an RRC _ connected state to receive the buffered data, so as to ensure that the terminal can process the buffered data in time.
According to another aspect of the present invention, an indication apparatus for monitoring a downlink control channel is provided, which is applied to a base station, and the apparatus includes: a receiving module, configured to receive a request sent by a terminal to enter an intermediate state, where the intermediate state is a state between a radio resource control signaling connection state and a radio resource control signaling idle state or a radio resource control signaling dormant state; and the sending module is used for sending a response message to the request to the terminal so that the terminal enters an intermediate state according to the response message and then monitors only the downlink control channel, and the response message carries the broadcast period of the downlink control channel.
The indicating device for monitoring the downlink control channel defines that the terminal is in an intermediate state between RRC _ connected and RRC _ IDLE/RRC _ INACTIVE states, the base station responds to a request sent by the terminal to enter the intermediate state and sends a response message to the terminal so that the terminal in a power-saving state enters the intermediate state, and the terminal monitors only the downlink control channel sent by the base station in the intermediate state, thereby ensuring that the terminal can accurately receive the downlink control channel and simultaneously achieve the purpose of saving power. In addition, a response message replied to the terminal by the base station may carry a broadcast period of the downlink control channel, so as to ensure that the terminal can accurately receive the downlink control channel according to the broadcast period.
In the above technical solution, the terminal in the intermediate state may receive the wake-up message signaling sent by the base station through the secondary communication interface, and wake up the primary communication interface to receive the PDCCH after receiving the wake-up message signaling, or the primary and secondary communication interfaces of the terminal are the same physical interface and may receive the wake-up message signaling, or receive the system message, the PDCCH, and other signaling of the base station, where the secondary communication interface is defined to monitor only the wake-up message signaling sent by the base station, and the secondary communication interface consumes much less power than the primary communication interface.
The indicating device for monitoring the downlink control channel according to the present invention may further have the following technical features:
in the above technical solution, preferably, the method further includes: the setting module is used for setting a data identifier according to the type of the cache data; and the sending module is also used for sending the data identifier to the terminal so that the terminal can switch the state according to the data identifier, wherein the data identifier indicates that the cache data is urgent data or non-urgent data.
In the technical scheme, the base station sets a data identifier according to the type of the buffered data and sends the data identifier to the terminal, for example, the type of the buffered data can be identified by one bit, so that the terminal is converted into an RRC _ connected state from an intermediate state according to the type of the buffered data. For example, when the type of the buffered data is urgent, the terminal is immediately waken to enter the RRC _ connected state, and when the type of the buffered data is general, the terminal may be waken to enter the RRC _ connected state after several monitoring according to the size of the data amount, so as to ensure that the urgent data can be processed in time, and ensure that the terminal is not frequently waken to process the non-urgent data, so that the terminal can save power.
In any of the above technical solutions, preferably, the method further includes: the setting module is used for setting a switching identifier; and the sending module is also used for sending the switching identifier to the terminal so that the terminal can switch the state according to the switching identifier.
In the technical scheme, the base station may also directly set a handover identifier and send the handover identifier to the terminal, for example, a bit is used to identify whether to wake up the terminal to enter an RRC _ connected state to receive the buffered data, thereby ensuring that the terminal can process the buffered data in time.
In any of the above solutions, preferably, the broadcast periods of different subcarrier spaces are different.
In the technical scheme, the response message replied to the terminal by the base station can carry the broadcast period of the downlink control channel, and the broadcast periods corresponding to different subcarrier spaces are different, so that the terminal can accurately receive the downlink control channel according to the corresponding broadcast periods in different subcarrier spaces. Wherein the subcarrier space may be 15KHz, 30KHz, 60KHz, 120KHz, etc.
According to another aspect of the present invention, a monitoring apparatus for a downlink control channel is provided, which is applied to a terminal, and includes: a receiving module, configured to receive a response message of a base station for a request for entering an intermediate state, where the intermediate state is a state between a radio resource control signaling connection state and a radio resource control signaling idle state or a radio resource control signaling dormant state, and a broadcast period of a downlink control channel is carried in the response message; and the processing module is used for entering an intermediate state according to the response message and monitoring the downlink control channel according to the broadcast period.
The monitoring device of the downlink control channel provided by the invention defines that a terminal is in an intermediate state between RRC _ connected and RRC _ IDLE/RRC _ INACTIVE states, the terminal sends a request for entering the intermediate state to a base station and receives a response message which is fed back by the base station and is corresponding to the request. Further, the terminal enters an intermediate state and monitors the downlink control channel according to the broadcast period carried in the response message, i.e. the terminal in the power saving state can only monitor the downlink control channel periodically sent by the base station. By adopting the technical scheme of the invention, the mechanism for monitoring the downlink control channel of the terminal is optimized, and the aim of saving power is fulfilled while the terminal can accurately receive the downlink control channel. In addition, the terminal is ensured to accurately receive the downlink control channel by utilizing the broadcast period sent by the base station.
In the above technical solution, the terminal in the intermediate state may receive the wake-up message signaling sent by the base station through the secondary communication interface, and wake up the primary communication interface to receive the PDCCH after receiving the wake-up message signaling, or the primary and secondary communication interfaces of the terminal are the same physical interface and may receive the wake-up message signaling, or receive the system message, the PDCCH, and other signaling of the base station, where the secondary communication interface is defined to monitor only the wake-up message signaling sent by the base station, and the secondary communication interface consumes much less power than the primary communication interface.
The monitoring device for the downlink control channel according to the present invention may further have the following technical features:
in the above technical solution, preferably, the method further includes: and the sending module is used for sending a request for entering the intermediate state to the base station.
In the technical scheme, before entering the intermediate state, the terminal needs to negotiate with the base station, that is, the terminal sends a request for entering the intermediate state to the base station to request for entering the intermediate state.
In any of the above technical solutions, preferably, the receiving module is further configured to receive a data identifier sent by the base station; the processing module is also used for switching the intermediate state into a wireless resource control signaling connection state when the data identifier indicates that the cached data is the emergency data, and further receiving the cached data; and when the data identification indicates that the cache data is non-emergency data, counting the cache data, switching the intermediate state into a wireless resource control signaling connection state when the quantity of the cache data reaches a preset threshold value, and further receiving the cache data.
In the technical scheme, the terminal is awakened according to different cache data and is converted into the RRC _ connected state from the intermediate state. Specifically, the receiving base station sets a data identifier according to the type of the buffered data, that is, the type of the buffered data may be identified by one bit. When the type of the cache data is urgent, the terminal is immediately awakened to enter the RRC _ connected state, and when the type of the cache data is general, the terminal can be awakened to enter the RRC _ connected state after monitoring for several times according to the amount of the cache data. And further ensuring that urgent data can be processed in time and ensuring that the terminal is not frequently awakened to process non-urgent data, so that the terminal can save electricity.
In any of the above technical solutions, preferably, the receiving module is further configured to receive a handover identifier sent by the base station; the processing module is also used for switching the intermediate state into a wireless resource control signaling connection state when the switching identifier indicates to switch the state, and further receiving the cache data; when the switching identification indicates that the state switching is not carried out, the intermediate state is continuously maintained.
In the technical scheme, a handover identifier set by the base station may also be received, for example, a bit is used to identify whether to wake up the terminal to enter an RRC _ connected state to receive the buffered data, so as to ensure that the terminal can process the buffered data in time.
According to another aspect of the present invention, a communication device is provided, which includes the indicating device for monitoring the downlink control channel according to any one of the above technical solutions, or the monitoring device for the downlink control channel according to any one of the above technical solutions.
The communication device provided by the present invention includes the indicating device for monitoring the downlink control channel according to any one of the above technical solutions, or the monitoring device for the downlink control channel according to any one of the above technical solutions, and can achieve all the advantageous effects of the indicating device for monitoring the downlink control channel according to any one of the above technical solutions, or the monitoring device for the downlink control channel according to any one of the above technical solutions.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart illustrating an indication method for monitoring a downlink control channel according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating an indication method for monitoring a downlink control channel according to another embodiment of the present invention;
fig. 3 is a flowchart illustrating an indication method for monitoring a downlink control channel according to still another embodiment of the present invention;
fig. 4 is a flowchart illustrating a monitoring method of a downlink control channel according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating a method for monitoring a downlink control channel according to another embodiment of the present invention;
fig. 6 is a flowchart illustrating a method for monitoring a downlink control channel according to still another embodiment of the present invention;
fig. 7 is a flowchart illustrating a method for monitoring a downlink control channel according to another embodiment of the present invention;
fig. 8 is a schematic diagram of an indicating apparatus for downlink control channel monitoring according to an embodiment of the present invention;
fig. 9 is a schematic diagram of an indicating apparatus for downlink control channel monitoring according to another embodiment of the present invention;
fig. 10 is a schematic diagram of a monitoring apparatus for a downlink control channel according to an embodiment of the present invention;
fig. 11 is a schematic diagram of a monitoring apparatus for a downlink control channel according to another embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Fig. 1 is a schematic flow chart illustrating a method for indicating downlink control channel monitoring according to an embodiment of the present invention. Wherein, the method comprises the following steps:
102, receiving a request for entering an intermediate state sent by a terminal, wherein the intermediate state is a state between a radio resource control signaling connection state and a radio resource control signaling idle state or a radio resource control signaling dormant state;
and 104, sending a response message to the request to the terminal, so that the terminal enters an intermediate state according to the response message and monitors only the downlink control channel, wherein the response message carries the broadcast period of the downlink control channel.
The indicating method for monitoring the downlink control channel defines that a terminal is in an intermediate state between RRC _ connected and RRC _ IDLE/RRC _ INACTIVE states, a base station responds to a request sent by the terminal to enter the intermediate state and sends a response message to the terminal, so that the terminal in a power saving state enters the intermediate state, and the terminal only monitors the downlink control channel sent by the base station in the intermediate state, thereby ensuring that the terminal can accurately receive the downlink control channel and simultaneously achieve the purpose of power saving. In addition, a response message replied to the terminal by the base station may carry a broadcast period of the downlink control channel, so as to ensure that the terminal can accurately receive the downlink control channel according to the broadcast period.
In the above embodiment, in the intermediate state, the terminal may receive the wake-up message signaling sent by the base station through the secondary communication interface, and wake up the primary communication interface to receive the PDCCH after receiving the wake-up message signaling, or the primary and secondary communication interfaces of the terminal are the same physical interface and may receive the wake-up message signaling, or receive the system message, the PDCCH, and other signaling of the base station, where the secondary communication interface is defined to monitor only the wake-up message signaling sent by the base station, and the power consumption of the secondary communication interface is much smaller than that of the primary communication interface.
In a specific embodiment, the terminal may be a network device such as a smart phone, a tablet computer, and a notebook computer.
Fig. 2 is a flowchart illustrating an indication method for monitoring a downlink control channel according to another embodiment of the present invention. Wherein, the method comprises the following steps:
and step 206, setting a data identifier according to the type of the cached data, and sending the data identifier to the terminal so that the terminal can switch states according to the data identifier, wherein the data identifier indicates that the cached data is urgent data or non-urgent data.
In this embodiment, the base station sets a data identifier according to the type of the buffered data and sends the data identifier to the terminal, for example, the type of the buffered data may be identified by one bit, so that the terminal is converted from the intermediate state to the RRC _ connected state according to the type of the buffered data. For example, when the type of the buffered data is urgent, the terminal is immediately waken to enter the RRC _ connected state, and when the type of the buffered data is general, the terminal may be waken to enter the RRC _ connected state after several monitoring according to the size of the data amount, so as to ensure that the urgent data can be processed in time, and ensure that the terminal is not frequently waken to process the non-urgent data, so that the terminal can save power.
It should be noted that, the embodiment may further include setting a switching identifier, and sending the switching identifier to the terminal, so that the terminal switches the state according to the switching identifier.
Fig. 3 is a flowchart illustrating an indication method for monitoring a downlink control channel according to still another embodiment of the present invention. Wherein, the method comprises the following steps:
and step 306, setting a switching identifier, and sending the switching identifier to the terminal so that the terminal can switch the state according to the switching identifier.
In this embodiment, the base station may also directly set the handover flag and send the handover flag to the terminal, for example, a bit is used to flag whether to wake up the terminal to enter the RRC _ connected state to receive the buffered data, so as to ensure that the terminal processes the buffered data in time.
It should be noted that, the embodiment may further include setting a data identifier according to the type of the cached data, and sending the data identifier to the terminal, so that the terminal switches the state according to the data identifier, where the data identifier indicates that the cached data is urgent data or non-urgent data.
Preferably, the broadcast periods of different subcarrier spaces are different.
In this embodiment, the response message replied to the terminal by the base station may carry a broadcast period of the downlink control channel, and the broadcast periods corresponding to different subcarrier spaces are different, so that the terminal can accurately receive the downlink control channel according to the corresponding broadcast period in different subcarrier spaces. Wherein the subcarrier space may be 15KHz, 30KHz, 60KHz, 120KHz, etc.
Fig. 4 is a flowchart illustrating a method for monitoring a downlink control channel according to an embodiment of the present invention. Wherein, the method comprises the following steps:
and step 404, entering an intermediate state according to the response message, and monitoring a downlink control channel according to a broadcasting period.
The monitoring method of the downlink control channel provided by the invention defines that a terminal is in an intermediate state between RRC _ connected and RRC _ IDLE/RRC _ INACTIVE states, the terminal sends a request for entering the intermediate state to a base station and receives a response message which is fed back by the base station and is corresponding to the request. Further, the terminal enters an intermediate state and monitors the downlink control channel according to the broadcast period carried in the response message, i.e. the terminal in the power saving state can only monitor the downlink control channel periodically sent by the base station. By adopting the technical scheme of the invention, the mechanism for monitoring the downlink control channel of the terminal is optimized, and the aim of saving power is fulfilled while the terminal can accurately receive the downlink control channel. In addition, the terminal is ensured to accurately receive the downlink control channel by utilizing the broadcast period sent by the base station.
In the above embodiment, in the intermediate state, the terminal may receive the wake-up message signaling sent by the base station through the secondary communication interface, and wake up the primary communication interface to receive the PDCCH after receiving the wake-up message signaling, or the primary and secondary communication interfaces of the terminal are the same physical interface and may receive the wake-up message signaling, or receive the system message, the PDCCH, and other signaling of the base station, where the secondary communication interface is defined to monitor only the wake-up message signaling sent by the base station, and the power consumption of the secondary communication interface is much smaller than that of the primary communication interface.
In a specific embodiment, the terminal may be a network device such as a smart phone, a tablet computer, and a notebook computer.
Fig. 5 is a flowchart illustrating a method for monitoring a downlink control channel according to another embodiment of the present invention. Wherein, the method comprises the following steps:
In this embodiment, before entering the intermediate state, the terminal needs to negotiate with the base station, that is, the terminal sends a request for entering the intermediate state to the base station to request to enter the intermediate state.
Fig. 6 is a flowchart illustrating a method for monitoring a downlink control channel according to still another embodiment of the present invention. Wherein, the method comprises the following steps:
In this embodiment, waking up the terminal according to different buffered data transitions from the intermediate state to the RRC _ connected state. Specifically, the receiving base station sets a data identifier according to the type of the buffered data, that is, the type of the buffered data may be identified by one bit. When the type of the cache data is urgent, the terminal is immediately awakened to enter the RRC _ connected state, and when the type of the cache data is general, the terminal can be awakened to enter the RRC _ connected state after monitoring for several times according to the amount of the cache data. And further ensuring that urgent data can be processed in time and ensuring that the terminal is not frequently awakened to process non-urgent data, so that the terminal can save electricity.
The embodiment may further include: receiving a switching identifier sent by a base station; when the switching identifier indicates to switch the state, the intermediate state is switched to a wireless resource control signaling connection state, and then cache data is received; when the switching identification indicates that the state switching is not carried out, the intermediate state is continuously maintained.
Fig. 7 is a flowchart illustrating a method for monitoring a downlink control channel according to another embodiment of the present invention. Wherein, the method comprises the following steps:
In this embodiment, a handover flag set by the base station may also be received, for example, a bit is used to identify whether to wake up the terminal to enter the RRC _ connected state to receive the buffered data, so as to ensure that the terminal processes the buffered data in time.
The embodiment may further include: receiving a data identifier sent by a base station; when the data identification indicates that the cached data is the emergency data, switching the intermediate state into a wireless resource control signaling connection state, and further receiving the cached data; and when the data identification indicates that the cache data is non-emergency data, counting the cache data, switching the intermediate state into a wireless resource control signaling connection state when the quantity of the cache data reaches a preset threshold value, and further receiving the cache data.
Fig. 8 is a schematic diagram illustrating an indicating apparatus 80 for monitoring a downlink control channel according to an embodiment of the present invention. Wherein the device 80 comprises:
a receiving module 802, configured to receive a request sent by a terminal to enter an intermediate state, where the intermediate state is a state between a radio resource control signaling connection state and a radio resource control signaling idle state or a radio resource control signaling dormant state;
a sending module 804, configured to send a response message to the request to the terminal, so that the terminal enters an intermediate state according to the response message and then monitors only the downlink control channel, where the response message carries a broadcast period of the downlink control channel.
The indicating device 80 for monitoring the downlink control channel provided by the invention defines that the terminal is in an intermediate state between an RRC _ connected state and an RRC _ IDLE/RRC _ INACTIVE state, the base station responds to a request sent by the terminal to enter the intermediate state and sends a response message to the terminal so that the terminal in a power-saving state enters the intermediate state, and the terminal only monitors the downlink control channel sent by the base station in the intermediate state, thereby ensuring that the terminal can accurately receive the downlink control channel and simultaneously achieve the purpose of saving power. In addition, a response message replied to the terminal by the base station may carry a broadcast period of the downlink control channel, so as to ensure that the terminal can accurately receive the downlink control channel according to the broadcast period.
In the above embodiment, in the intermediate state, the terminal may receive the wake-up message signaling sent by the base station through the secondary communication interface, and wake up the primary communication interface to receive the PDCCH after receiving the wake-up message signaling, or the primary and secondary communication interfaces of the terminal are the same physical interface and may receive the wake-up message signaling, or receive the system message, the PDCCH, and other signaling of the base station, where the secondary communication interface is defined to monitor only the wake-up message signaling sent by the base station, and the power consumption of the secondary communication interface is much smaller than that of the primary communication interface.
In a specific embodiment, the terminal may be a network device such as a smart phone, a tablet computer, and a notebook computer. The receiving module 802 may be a receiver or an antenna, etc., and the sending module 804 may be a transmitter or an antenna, etc.
Fig. 9 shows a schematic diagram of an indication apparatus 90 for monitoring a downlink control channel according to another embodiment of the present invention. Wherein the device 90 comprises:
a receiving module 902, configured to receive a request sent by a terminal to enter an intermediate state, where the intermediate state is a state between a radio resource control signaling connection state and a radio resource control signaling idle state or a radio resource control signaling dormant state;
a sending module 904, configured to send a response message to the request to the terminal, so that the terminal enters an intermediate state according to the response message and monitors only the downlink control channel, where the response message carries a broadcast period of the downlink control channel;
a setting module 906, configured to set a data identifier according to a type of the cache data;
the sending module 904 is further configured to send the data identifier to the terminal, so that the terminal switches the state according to the data identifier, where the data identifier indicates that the cached data is urgent data or non-urgent data.
In this embodiment, the base station sets a data identifier according to the type of the buffered data and sends the data identifier to the terminal, for example, the type of the buffered data may be identified by one bit, so that the terminal is converted from the intermediate state to the RRC _ connected state according to the type of the buffered data. For example, when the type of the buffered data is urgent, the terminal is immediately waken to enter the RRC _ connected state, and when the type of the buffered data is general, the terminal may be waken to enter the RRC _ connected state after several monitoring according to the size of the data amount, so as to ensure that the urgent data can be processed in time, and ensure that the terminal is not frequently waken to process the non-urgent data, so that the terminal can save power.
Preferably, the setting module 906 is further configured to set a handover identifier; the sending module 904 is further configured to send the switching identifier to the terminal, so that the terminal switches the state according to the switching identifier.
In this embodiment, the base station may also directly set a handover flag and send the handover flag to the terminal, for example, a bit is used to identify whether to wake up the terminal to enter an RRC _ connected state to receive the buffered data, thereby ensuring that the terminal can process the buffered data in time.
It should be noted that the setting module 906 may be configured to set the data identifier and/or the handover identifier according to the type of the buffered data, and the sending module 904 may be configured to send the data identifier and/or the handover identifier to the terminal.
In a specific embodiment, the receiving module 902 may be a receiver, an antenna, or the like, the sending module 904 may be a transmitter, an antenna, or the like, and the setting module 906 may be a central processing unit, a base station controller, or the like.
Preferably, the broadcast periods of different subcarrier spaces are different.
In this embodiment, the response message replied to the terminal by the base station may carry broadcast periods of the downlink control channel, where the broadcast periods corresponding to different subcarrier spaces are different, so as to ensure that the terminal can accurately receive the downlink control channel according to the corresponding broadcast periods in different subcarrier spaces. Wherein the subcarrier space may be 15KHz, 30KHz, 60KHz, 120KHz, etc.
Fig. 10 is a schematic diagram of a monitoring apparatus 100 for a downlink control channel according to an embodiment of the present invention. Wherein the apparatus 100 comprises:
a receiving module 102, configured to receive a response message of a base station for a request for entering an intermediate state, where the intermediate state is a state between a connection state of a radio resource control signaling and an idle state or a dormant state of the radio resource control signaling, and the response message carries a broadcast period of a downlink control channel;
and the processing module 104 is configured to enter an intermediate state according to the response message, and monitor the downlink control channel according to a broadcast period.
The monitoring device 100 for the downlink control channel according to the present invention defines that a terminal is in an intermediate state between RRC _ connected and RRC _ IDLE/RRC _ INACTIVE states, and the terminal sends a request for entering the intermediate state to a base station and receives a response message to the request fed back by the base station. Further, the terminal enters an intermediate state and monitors the downlink control channel according to the broadcast period carried in the response message, i.e. the terminal in the power saving state can only monitor the downlink control channel periodically sent by the base station. By adopting the technical scheme of the invention, the mechanism for monitoring the downlink control channel of the terminal is optimized, and the aim of saving power is fulfilled while the terminal can accurately receive the downlink control channel. In addition, the terminal is ensured to accurately receive the downlink control channel by utilizing the broadcast period sent by the base station.
In the above embodiment, in the intermediate state, the terminal may receive the wake-up message signaling sent by the base station through the secondary communication interface, and wake up the primary communication interface to receive the PDCCH after receiving the wake-up message signaling, or the primary and secondary communication interfaces of the terminal are the same physical interface and may receive the wake-up message signaling, or receive the system message, the PDCCH, and other signaling of the base station, where the secondary communication interface is defined to monitor only the wake-up message signaling sent by the base station, and the power consumption of the secondary communication interface is much smaller than that of the primary communication interface.
In a specific embodiment, the terminal may be a network device such as a smart phone, a tablet computer, and a notebook computer. The receiving module 102 may be a receiver or an antenna, etc., and the processing module 104 may be a central processing unit or a baseband processor, etc.
Fig. 11 shows a schematic diagram of a monitoring apparatus 110 for a downlink control channel according to another embodiment of the present invention. Wherein the apparatus 110 comprises:
a sending module 112, configured to send a request for entering an intermediate state to a base station;
a receiving module 114, configured to receive a response message of the base station for a request for entering an intermediate state, where the intermediate state is a state between a connection state of a radio resource control signaling and an idle state or a dormant state of the radio resource control signaling, and the response message carries a broadcast period of a downlink control channel;
and the processing module 116 is configured to enter an intermediate state according to the response message and monitor the downlink control channel according to the broadcast period.
In this embodiment, before entering the intermediate state, the terminal needs to negotiate with the base station, that is, the terminal sends a request for entering the intermediate state to the base station to request to enter the intermediate state.
Preferably, the receiving module 114 is further configured to receive a data identifier sent by the base station; the processing module 116 is further configured to switch the intermediate state to a radio resource control signaling connection state when the data identifier indicates that the cached data is the emergency data, and further receive the cached data; and when the data identification indicates that the cache data is non-emergency data, counting the cache data, switching the intermediate state into a wireless resource control signaling connection state when the quantity of the cache data reaches a preset threshold value, and further receiving the cache data.
In this embodiment, the terminal is woken up according to different buffered data to transition from the intermediate state to the RRC _ connected state. Specifically, the receiving base station sets a data identifier according to the type of the buffered data, that is, the type of the buffered data may be identified by one bit. When the type of the cache data is urgent, the terminal is immediately awakened to enter the RRC _ connected state, and when the type of the cache data is general, the terminal can be awakened to enter the RRC _ connected state after monitoring for several times according to the amount of the cache data. And further ensuring that urgent data can be processed in time and ensuring that the terminal is not frequently awakened to process non-urgent data, so that the terminal can save electricity.
Preferably, the receiving module 114 is further configured to receive a handover identifier sent by the base station; the processing module 116 is further configured to switch the intermediate state to the radio resource control signaling connection state when the switching identifier indicates to perform state switching, and further receive the cache data; when the switching identification indicates that the state switching is not carried out, the intermediate state is continuously maintained.
In this embodiment, a handover flag set by the base station may also be received, for example, a bit is used to identify whether to wake up the terminal to enter the RRC _ connected state to receive the buffered data, so as to ensure that the terminal processes the buffered data in time.
It should be noted that the receiving module 114 may be configured to receive a data identifier and/or a handover identifier sent by a base station, and the processing module 116 may be configured to switch a status according to the data identifier and/or the handover identifier.
In particular embodiments, the sending module 112 may be a transmitter or an antenna, etc., the receiving module 114 may be a receiver or an antenna, etc., and the processing module 116 may be a central processing unit or a baseband processor, etc.
An embodiment of a fifth aspect of the present invention provides a communication device, including the indicating apparatus for monitoring a downlink control channel in any of the above embodiments, or the monitoring apparatus for a downlink control channel in any of the above embodiments.
The communication device provided by the present invention includes the indicating device for monitoring the downlink control channel according to any of the above embodiments, or the monitoring device for the downlink control channel according to any of the above embodiments, and can achieve all the advantages of the indicating device for monitoring the downlink control channel according to any of the above embodiments, or the monitoring device for the downlink control channel according to any of the above embodiments.
In the description herein, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly stated or limited otherwise; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. An indication method for monitoring a downlink control channel is applied to a base station, and the method comprises the following steps:
receiving a request sent by a terminal to enter an intermediate state, wherein the intermediate state is a state between a radio resource control signaling connection state and a radio resource control signaling idle state or a radio resource control signaling dormant state;
sending a response message to the request to the terminal, so that the terminal enters the intermediate state according to the response message and monitors only a downlink control channel, wherein the response message carries a broadcast period of the downlink control channel;
when the terminal is in the intermediate state, receiving a wake-up message signaling sent by the base station by a secondary communication interface, and after receiving the wake-up message signaling, waking up a primary communication interface to receive a PDCCH, wherein the secondary communication interface defines that only the wake-up message signaling sent by the base station is monitored, and the power consumption of the secondary communication interface is smaller than that of the primary communication interface;
the method for indicating downlink control channel monitoring further comprises:
setting a data identifier according to the type of the cache data, and sending the data identifier to the terminal so that the terminal can switch states according to the data identifier, wherein the data identifier indicates that the cache data is urgent data or non-urgent data;
when the data identification indicates that the cached data is the emergency data, switching the intermediate state into the radio resource control signaling connection state, and further receiving the cached data; when the data identification indicates that the cache data is the non-emergency data, counting the cache data, switching the intermediate state to the radio resource control signaling connection state when the number of the cache data reaches a preset threshold value, and further receiving the cache data.
2. The method for indicating downlink control channel monitoring according to claim 1, further comprising:
and setting a switching identifier, and sending the switching identifier to the terminal so that the terminal can switch the state according to the switching identifier.
3. The indication method for downlink control channel monitoring according to claim 1 or 2,
the broadcast periods for different subcarrier spaces are different.
4. A method for monitoring a downlink control channel is applied to a terminal, and the method comprises the following steps:
receiving a response message of a base station to a request for entering an intermediate state, wherein the intermediate state is a state between a radio resource control signaling connection state and a radio resource control signaling idle state or a radio resource control signaling dormant state, and the response message carries a broadcast period of a downlink control channel;
entering the intermediate state according to the response message, and monitoring the downlink control channel according to the broadcast period;
when the terminal is in the intermediate state, receiving a wake-up message signaling sent by the base station by a secondary communication interface, and after receiving the wake-up message signaling, waking up a primary communication interface to receive a PDCCH, wherein the secondary communication interface defines that only the wake-up message signaling sent by the base station is monitored, and the power consumption of the secondary communication interface is smaller than that of the primary communication interface;
before the receiving the response message of the base station to the request for entering the intermediate state, the method further comprises:
sending the request for entering the intermediate state to the base station;
the method for monitoring the downlink control channel further comprises the following steps:
receiving a data identifier sent by the base station;
when the data identification indicates that the cached data is urgent data, switching the intermediate state into the radio resource control signaling connection state, and further receiving the cached data;
when the data identification indicates that the cache data is non-emergency data, counting the cache data, and switching the intermediate state to the radio resource control signaling connection state when the amount of the cache data reaches a preset threshold value, so as to receive the cache data.
5. The method for monitoring the downlink control channel according to claim 4, further comprising:
receiving a switching identifier sent by the base station;
when the switching identifier indicates to switch the state, the intermediate state is switched to the radio resource control signaling connection state, and the cache data is received;
and when the switching identifier indicates that the state switching is not carried out, continuously maintaining the intermediate state.
6. An indication device for monitoring a downlink control channel, applied to a base station, the device comprising:
a receiving module, configured to receive a request sent by a terminal to enter an intermediate state, where the intermediate state is a state between a radio resource control signaling connection state and a radio resource control signaling idle state or a radio resource control signaling dormant state;
a sending module, configured to send a response message to the request to the terminal, so that the terminal enters the intermediate state according to the response message and monitors only a downlink control channel, where a broadcast period of the downlink control channel is carried in the response message;
when the terminal is in the intermediate state, receiving a wake-up message signaling sent by the base station by a secondary communication interface, and after receiving the wake-up message signaling, waking up a primary communication interface to receive a PDCCH, wherein the secondary communication interface defines that only the wake-up message signaling sent by the base station is monitored, and the power consumption of the secondary communication interface is smaller than that of the primary communication interface;
the apparatus for indicating downlink control channel monitoring further includes:
the setting module is used for setting a data identifier according to the type of the cache data;
the sending module is further configured to send the data identifier to the terminal, so that the terminal switches states according to the data identifier, where the data identifier indicates that the cached data is urgent data or non-urgent data;
when the data identification indicates that the cached data is the emergency data, switching the intermediate state into the radio resource control signaling connection state, and further receiving the cached data; when the data identification indicates that the cache data is the non-emergency data, counting the cache data, switching the intermediate state to the radio resource control signaling connection state when the number of the cache data reaches a preset threshold value, and further receiving the cache data.
7. The apparatus for indicating downlink control channel monitoring according to claim 6, further comprising:
the setting module is used for setting a switching identifier;
the sending module is further configured to send the switching identifier to the terminal, so that the terminal switches the state according to the switching identifier.
8. The apparatus of claim 6, wherein the broadcast periods of different subcarrier spaces are different.
9. A monitoring apparatus for a downlink control channel, applied to a terminal, the apparatus comprising:
a receiving module, configured to receive a response message of a base station for a request for entering an intermediate state, where the intermediate state is a state between a radio resource control signaling connection state and a radio resource control signaling idle state or a radio resource control signaling dormant state, and a broadcast period of a downlink control channel is carried in the response message;
the processing module is used for entering the intermediate state according to the response message and monitoring the downlink control channel according to the broadcast period;
when the terminal is in the intermediate state, receiving a wake-up message signaling sent by the base station by a secondary communication interface, and after receiving the wake-up message signaling, waking up a primary communication interface to receive a PDCCH, wherein the secondary communication interface defines that only the wake-up message signaling sent by the base station is monitored, and the power consumption of the secondary communication interface is smaller than that of the primary communication interface;
the monitoring device of the downlink control channel further comprises:
a sending module, configured to send the request for entering the intermediate state to the base station;
the receiving module is further configured to receive a data identifier sent by the base station;
the processing module is further configured to switch the intermediate state to the radio resource control signaling connection state when the data identifier indicates that the cached data is emergency data, and further receive the cached data; when the data identification indicates that the cache data is non-emergency data, counting the cache data, and switching the intermediate state to the radio resource control signaling connection state when the amount of the cache data reaches a preset threshold value, so as to receive the cache data.
10. The apparatus for monitoring downlink control channel according to claim 9,
the receiving module is further configured to receive a handover identifier sent by the base station;
the processing module is further configured to switch the intermediate state to the radio resource control signaling connection state when the switching identifier indicates to perform state switching, and further receive the cached data; and when the switching identifier indicates that the state switching is not carried out, continuously maintaining the intermediate state.
11. A communication device, comprising:
indication means for downlink control channel monitoring according to any one of claims 6 to 8; or
The apparatus for monitoring the downlink control channel according to claim 9 or 10.
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