CN114339995A - Paging method, awakening method and related device - Google Patents
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Abstract
The embodiment of the application discloses a paging method, a wake-up method and a related device, wherein a terminal node monitors paging control information, receives data information scheduled by the paging control information after the paging control information is successfully decoded, and acquires paging information in the data information, so that the paging function of the terminal node in an idle state is realized.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a paging method, a wake-up method, and a related apparatus.
Background
The wireless short-distance communication is a hot spot technology at present, and can be applied to vehicle-mounted communication or home network communication. In vehicle-mounted communication, a vehicle has a management Node (G-Node), referred to as a G-Node for short, as a central Node, and a plurality of Terminal nodes (T-nodes), referred to as T-nodes for short, such as phones, wearable devices, cameras, screens, speakers, sensors, and the like. Among other things, certain types of end nodes require power or energy savings, such as phones, wearable devices, sensors, keys, etc. In order to save power, it is generally necessary to use burst transmission methods, such as distinguishing between connected and idle states, using unconnected reception, and the like.
However, in the current in-vehicle system, the paging function in the idle state has not been defined yet. Therefore, how to implement paging is an urgent problem to be solved for the terminal node in the idle state.
Disclosure of Invention
The application provides a paging method, a wake-up method and a related device, which can realize the paging function of a terminal node in an idle state.
In a first aspect, an embodiment of the present application provides a paging method, where the method includes:
monitoring paging control information; receiving data information scheduled by the paging control information after the paging control information is successfully decoded; and acquiring the paging message in the data information.
In one embodiment, the method further comprises:
the paging message indicates that all terminal nodes are paged; alternatively, the paging message indicates that one or more types of terminal nodes are paged to.
In one embodiment, the method further comprises the following steps: and monitoring paging control information on paging occasions.
In one embodiment, the method further comprises: and determining a paging occasion according to the high-layer identifier.
In one embodiment, one paging occasion is one radio frame or control information within one radio frame.
In one embodiment, a paging occasion is a semi-superframe or control information within a semi-superframe.
In one embodiment, one paging occasion is control information in one superframe or one superframe.
In one embodiment, a paging occasion is a superframe group or control information within a superframe group.
In one embodiment, the determining the paging occasion according to the higher layer identifier further includes: and determining the paging semi-superframe and the paging time in the paging semi-superframe group according to the high-level identification.
In one embodiment, the method further comprises: the paging semi-superframe consists of all paging occasions within a semi-superframe.
In one embodiment, the determining the paging occasion according to the higher layer identifier further includes: and determining the paging superframe and the paging time in the paging superframe according to the high-level identification.
In one embodiment, the method further comprises: the paging superframe consists of all paging occasions within the superframe.
In one embodiment, the determining the paging occasion according to the higher layer identifier further includes: and determining the paging superframe group and the paging time in the paging superframe group according to the high-level identification.
In one embodiment, the method further comprises: the paging superframe group is composed of all paging occasions within one or more superframes.
In one embodiment, the method further comprises: the paging superframe group consists of all paging occasions within 5, 10, 15 or 20 superframes.
In a second aspect, an embodiment of the present application provides a wake-up method, where the method includes:
and monitoring the awakening control information at the awakening opportunity.
In one embodiment, the method further comprises:
the awakening control information indicates that all terminal nodes monitor paging control information; or, the wake-up control information indicates one or more types of terminal nodes to monitor the paging control information.
In one embodiment, the method further comprises:
the awakening time is in a wireless frame behind the wireless frame where the first synchronous signal or the second synchronous signal is located; or, the wake-up occasion is before a paging occasion; or, the wake-up occasion is before a paging semi-superframe; or, the wake-up occasion is before a paging superframe; alternatively, the wake-up occasion precedes a paging superframe group.
In one embodiment, the method further comprises:
and when the paging control information is determined to be monitored according to the awakening control information, monitoring the paging control information at a paging occasion after the awakening occasion, or monitoring the paging control information in a paging semi-superframe after the awakening occasion, or monitoring the paging control information in a paging superframe group after the awakening occasion.
In a third aspect, an embodiment of the present application provides a paging apparatus, including:
the monitoring unit is used for monitoring the paging control information;
a receiving unit, configured to receive data information scheduled by the paging control information after the paging control information is successfully decoded;
and the acquisition unit is used for acquiring the paging message in the data information.
In one embodiment, the paging message indicates that all terminal nodes are paged to; alternatively, the paging message indicates that one or more types of terminal nodes are paged to.
In one embodiment, the monitoring unit is further configured to monitor paging control information at a paging occasion.
In one embodiment, the paging apparatus further includes a processing unit, where the processing unit is configured to determine a paging occasion according to a higher layer identifier.
In one embodiment, one paging occasion is one radio frame or control information within one radio frame.
In one embodiment, a paging occasion is a semi-superframe or control information within a semi-superframe.
In one embodiment, one paging occasion is control information in one superframe or one superframe.
In one embodiment, a paging occasion is a superframe group or control information within a superframe group.
In one embodiment, the processing unit is further configured to determine, according to the high layer identifier, a paging semi-superframe to which the ue belongs and a paging occasion in the paging semi-superframe group. The paging semi-superframe consists of all paging occasions within a semi-superframe.
In one embodiment, the processing unit is further configured to determine the paging superframe and the paging occasion in the paging superframe according to the high layer identifier. The paging superframe consists of all paging occasions within the superframe.
In one embodiment, the processing unit is further configured to determine the paging superframe group and the paging occasions in the paging superframe group according to the high layer identifier. The paging superframe group is composed of all paging occasions within one or more superframes.
In one embodiment, the paging superframe group consists of all paging occasions within 5, 10, 15 or 20 superframes.
In a fourth aspect, an embodiment of the present application provides a wake-up apparatus, including:
and the monitoring unit is used for monitoring the awakening control information at the awakening time.
In one embodiment, the wake-up control information indicates that all terminal nodes monitor paging control information; or, the wake-up control information indicates one or more types of terminal nodes to monitor the paging control information.
In one embodiment, the wake-up time is in a radio frame after the radio frame where the first synchronization signal or the second synchronization signal is located; or, the wake-up occasion is before a paging occasion; or, the wake-up occasion is before a paging semi-superframe; or, the wake-up occasion is before a paging superframe; alternatively, the wake-up occasion precedes a paging superframe group.
In one embodiment, the wake-up apparatus further includes a processing unit, where the processing unit is configured to monitor the paging control information at a paging occasion after the wake-up occasion, or monitor the paging control information in a paging semi-superframe after the wake-up occasion, or monitor the paging control information in a paging superframe group after the wake-up occasion, when it is determined that the paging control information needs to be monitored according to the wake-up control information.
In a fifth aspect, an embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and in a process of being executed by a processor, the computer program implements the paging method according to the first aspect, or implements the wake-up method according to the second aspect.
In the embodiment of the application, the terminal node monitors the paging control information, and receives the data information scheduled by the paging control information after successfully decoding the paging control information, so as to obtain the paging information in the data information, thereby realizing the paging function of the terminal node in an idle state. And, compared with the complex paging method which needs to reach a certain paging reachable rate in the cellular network, the method is also beneficial to simplifying the paging of the terminal node.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a paging method according to an embodiment of the present application;
fig. 3 is a schematic flowchart of a wake-up method according to an embodiment of the present application;
fig. 4 is a flowchart illustrating another paging method according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a paging device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a wake-up apparatus according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the method, a terminal node acquires paging information in data information by monitoring paging control information and receiving the data information scheduled by the paging control information after successfully decoding the paging control information. The method can realize the paging function of the terminal node in an idle state, and is beneficial to simplifying the paging of the terminal node compared with a complex paging method which needs to reach a certain paging reachable rate in a cellular network.
The embodiment of the application can be applied to scenes such as vehicle-mounted Communication, for example, in a vehicle-mounted Wireless Short-Range Communication System (automatic Wireless Short-Range Communication System), the vehicle-mounted Wireless Short-Range Communication System can comprise a cabin domain controller, a vehicle-mounted terminal (such as vehicle-mounted audio equipment, vehicle-mounted video equipment and an anti-theft System), a smart phone and a System for interconnecting and communicating intelligent wearing equipment.
For example, please refer to fig. 1, which is a schematic structural diagram of a communication system according to an embodiment of the present application, and the vehicle-mounted wireless short-range communication system according to the embodiment of the present application may be the communication system shown in fig. 1. The communication system may include, but is not limited to, one or more management nodes (Grant nodes, G nodes/G-nodes), and one or more Terminal nodes (Terminal nodes/T-nodes), where a management Node is a Node for transmitting data scheduling information in the vehicle-mounted wireless short-range communication system, and a Terminal Node is a Node for receiving data scheduling information in the vehicle-mounted wireless short-range communication system and transmitting data according to the data scheduling information. The communication system further comprises: a Communication link (G link) from the management Node to the Terminal Node and a Communication link (T link) from the Terminal Node to the management Node, where the G link may carry a data channel, a control channel, a broadcast channel, a synchronization signal, etc. from the management Node to the Terminal Node, and the T link may carry a data channel, an access channel, etc. from the Terminal Node to the management Node. The symbols transmitted between the management node and the terminal nodes include: a management Node Symbol (Symbol/G Symbol) and a Terminal Node Symbol (Symbol for transmission from Symbol Node to Symbol Node), wherein the management Node Symbol is a Cyclic Prefix Orthogonal Frequency Division Multiplexing (CP-OFDM) Symbol for carrying transmission from the management Node to the Terminal Node, and the Terminal Node Symbol is a CP-OFDM Symbol for carrying transmission from the Terminal Node to the management Node.
Fig. 1 illustrates an example of a management node and an example of a terminal node. The number and the form of the nodes shown in fig. 1 are for example and do not limit the embodiments of the present application. The management node can send paging control information and data information scheduled by the paging control information, and the terminal node can monitor the paging control information, and after successfully decoding the paging control information, receive the data information scheduled by the paging control information and acquire the paging information in the data information, thereby realizing the paging function of the terminal node in an idle state.
In this application, the management node may be a Radio Network Controller (RNC), a Base Transceiver Station (BTS), a wireless relay node, a wireless backhaul node, or the like, and may also be a device used in a 4G, 5G, 6G, or other systems. Optionally, the management node may also be a computer or a personal computer, etc. for performing the relevant operations of the management node in the embodiments of the present application. Alternatively, the management node may be a terminal node capable of performing operations related to the management node.
In this application, the end node may be, but is not limited to: a mobile phone (mobile phone), a computer with a wireless transceiving function, an Augmented Reality (AR) terminal, a wireless terminal in a self driving (self driving), a camera, a screen, a sound, an intelligent key, or wearable devices such as an intelligent watch and a bracelet.
The paging method described in the present application is explained below with reference to the drawings.
Referring to fig. 2, fig. 2 is a flowchart illustrating a paging method according to an embodiment of the present application, where the paging method is explained from the perspective of interaction between a management node and a terminal node. The paging method includes, but is not limited to, the following steps:
s101, a management node sends paging control information and data information scheduled by the paging control information;
the management node scrambles a Cyclic Redundancy Check (CRC) of the paging control information using a Physical Layer Identity (PID) of the one or more multicast communications, that is, a mask of the CRC of the paging control information is the Physical Layer Identity of the one or more multicast communications, wherein the Physical Layer Identity is an Identity for Physical Layer addressing.
The paging control information schedule includes paging information in data information.
In one embodiment, the paging message indicates that all terminal nodes are paged to. That is, the managing node may page all terminal nodes. Specifically, the management node includes a first type identifier in the paging message, and the terminal node checks the first type identifier, so that the terminal node can determine that the terminal node is paged and report the terminal node to a higher layer. The higher layers of the terminal node may in turn initiate a random access procedure.
In another embodiment, the paging message indicates that one or more types of end nodes are paged, i.e., the management node may page one or more types of end nodes, e.g., the management node pages the type of end node that is a sensor in order to obtain sensor information. Specifically, the management node includes one or more type identifiers in the paging message, and the terminal node checks that a certain type identifier is consistent with its own type, and then the terminal node can determine that it is paged and report to a higher layer. The higher layers of the terminal node may in turn initiate a random access procedure.
S102, a terminal node monitors paging control information;
the terminal node monitors the paging control information at the paging occasion. Wherein, the Paging Occasion (PO) is an Occasion when the terminal node monitors the Paging control information. Accordingly, the management node may send paging control information on the paging occasion.
One paging occasion may be a radio frame, and in particular, one paging occasion may be control information within one radio frame. In the in-vehicle communication, one wireless frame is a basic resource unit of information transmission. One radio frame consists of G symbols, a switching interval, and T symbols. The G link transmission and the T link transmission use different symbols in a wireless frame, the symbols used by the G link transmission are called G symbols, and the symbols used by the T link transmission are called T symbols. One radio frame consists of one or more G symbols, a first switching interval (GAP1), one or more T symbols and a second switching interval (GAP2) in sequence; or one radio frame is composed of one or more T symbols, a first switching interval (GAP1), one or more G symbols, and a second switching interval (GAP 2). A radio frame has 8 symbols (normal cyclic prefix) or 7 symbols (extended cyclic prefix).
A paging occasion may also be a semi-superframe (Half Super Frame), and specifically, a paging occasion may be control information within a semi-superframe. The semi-superframe is a time length formed by 24 wireless frames in the vehicle-mounted wireless short-distance communication system.
One paging occasion may also be a Super Frame (Super Frame), and in particular, one paging occasion may be control information within one Super Frame. The superframe is a time length formed by 48 wireless frames in the vehicle-mounted wireless short-distance communication system. One superframe contains 2 half superframes.
A paging occasion may also be a Super Frame Group (SFG), and in particular, a paging occasion may be control information within a Super Frame Group. The superframe group is a time length formed by a plurality of superframes in the vehicle-mounted wireless short-distance communication system. Specifically, one superframe group consists of 5, 10, 15, or 20 superframes. A superframe group may also be composed of superframes with a number other than 5, 10, 15, and 20, which is not limited herein.
And the terminal node determines the paging occasion according to the high-level identification. The terminal node can obtain the position of the paging occasion by calculating the high-level identification.
In one embodiment, a terminal node determines a Paging semi-superframe (Paging Half Super Frame) and Paging occasions in the Paging semi-superframe according to a high-level identifier, wherein the Paging semi-superframe is composed of all the Paging occasions in the semi-superframe, and the semi-superframe is a time length composed of 24 wireless frames in a vehicle-mounted wireless short-distance communication system. At this time, one paging occasion may be one radio frame (control information within one radio frame). A paging semi-superframe is 0.5 ms, i.e. a paging semi-superframe contains paging occasions within 0.5 ms, by which method it is facilitated that terminal nodes are grouped with a 0.5 ms granularity.
In another embodiment, the terminal node determines a Paging Super Frame (PSF) and Paging occasions in the Paging Super Frame according to the high-level identifier, where the Paging Super Frame is composed of all the Paging occasions in the Super Frame, and the Super Frame is a time length composed of 48 wireless frames in the vehicular wireless short-distance communication system. In this case, a paging occasion may be a radio frame (control information within a radio frame) or a semi-superframe (control information within a semi-superframe). A paging superframe is 1 ms, i.e. a paging superframe contains paging occasions within 1 ms, by which method it is facilitated that terminal nodes are grouped with a 1 ms granularity.
In another embodiment, the terminal node determines a Paging Super Frame Group (PSFG) and a Paging occasion in the PSFG according to a high layer identifier, where the PSFG is a time length formed by one or more superframes in the vehicular wireless short-distance communication system. Specifically, one superframe group consists of 5, 10, 15, or 20 superframes. A superframe group may also be composed of superframes with a number other than 5, 10, 15, and 20, which is not limited herein. In this case, a paging occasion may be a radio frame (control information within a radio frame) or a semi-superframe (control information within a semi-superframe) or a superframe (control information within a superframe). A paging superframe group consists of all paging occasions within a plurality of superframes. When a paging superframe group is 5 ms, i.e., a paging superframe group contains paging occasions within 5 ms, this approach facilitates grouping of terminal nodes at a 5 ms granularity. When a paging superframe group is 10 ms, i.e., a paging superframe group contains paging occasions within 10 ms, this approach facilitates grouping of terminal nodes at 10 ms granularity. When a paging superframe group is 15 ms, i.e., a paging superframe group contains paging occasions within 15 ms, this approach facilitates grouping of terminal nodes at 15 ms granularity. When a paging superframe group is 20 ms, i.e., a paging superframe group contains paging occasions within 20 ms, this approach facilitates grouping of terminal nodes at 20 ms granularity.
S103, after the terminal node successfully decodes the paging control information, the terminal node receives data information scheduled by the paging control information;
the terminal node decodes the paging control information, and if the decoding is successful, the terminal node may receive the data information scheduled by the paging control information, and perform step S104. Successful decoding includes: the end node may descramble the CRC using one or more physical layer identifications of the multicast communication, with correct descrambling results. Optionally, the terminal node decodes and descrambles the paging control information, and if the descrambling is successful, may receive the data information scheduled by the paging control information, and execute step S104.
S104, the terminal node acquires the paging message in the data information;
the terminal node checks whether the acquired paging message contains a higher-level identification of the terminal node, for example, a globally unique device identification, layer 2 identification (layer 2 address), which can be used for authentication. If the terminal node checks that the high-level identification in the obtained paging message is matched with the high-level identification of the terminal node, the terminal node can determine that the terminal node is paged and report the terminal node to the high level. The higher layers of the terminal node may in turn initiate a random access procedure.
The embodiments of the present application may be applied to a terminal node in an idle state, that is, a terminal node without a physical layer identifier of unicast communication, for example, a terminal node that never enters a connected state, or a terminal node that returns from a connected state to an idle state and has a recovered physical layer identifier of unicast communication. The paging method can realize the paging of the terminal node by the management node and the updating and warning information of the broadcast system information.
The embodiment of the present application can also be applied to a terminal node having a physical layer identifier of unicast communication, for example, a terminal node in a connected state, or a terminal node that is returned from a connected state to an idle state and has not been recovered with the physical layer identifier of unicast communication. By the paging method, the updating of the broadcast system information, the alarm information and the like can be realized. For a terminal node with a physical layer identifier for unicast communication, 2 bits may be used in Downlink Control Information (DCI) to broadcast system Information update and alarm Information; the method of high-level signaling can also be adopted, namely the terminal node receives the system information updating and the alarm information in the high-level signaling. In the vehicle-mounted communication, the physical layer has short delay (including the radio frame is short), which brings the advantage of short delay of the high-layer signaling, so that the information updating and warning information transmission by the high-layer signaling does not bring too long delay.
The embodiments of the present application are different from the method in the cellular network, in which the base station potentially knows whether the terminal node is in the cell through a core network and Tracking Area Update (TAU), and in the vehicle Communication, the management node does not know whether the terminal node is in the current cell or Communication Domain (Communication Domain). The above-mentioned communication domain is the resources of the G link and the T link of a management node in the vehicle-mounted wireless short-distance communication system, and includes: the Communication system comprises a High Level Communication Domain (High Level Communication Domain) and a general Communication Domain (Normal Level Communication Domain), wherein in the scene of multiple Communication domains, the G node of the High Level Communication Domain sends the resources used by the general Communication Domain, and in the scene of multiple Communication domains, the G node of the general Communication Domain receives the resources of the general Communication Domain sent by the G node of the High Level Communication Domain and generates the general Communication Domain according to the resources. In the embodiment of the present application, the management node may page all terminal nodes residing in the current cell or communication domain by indicating that all terminal nodes are paged in the paging message. This method is suitable for the management node to confirm all the terminal nodes in the current vehicle. In addition, in the embodiment of the present application, the management node may also page one or more types of terminal nodes camped in the current cell or communication domain by indicating that the one or more types of terminal nodes are paged in the paging message. This method is suitable for the management node to confirm all the terminal nodes in the current vehicle. For example, when the vehicle needs to acquire the sensor information, such as the tire pressure of a tire, the management node can timely confirm whether the sensor works normally. The sensor is powered by a battery and is in a sleep state for a long time, so that the embodiment of the application can page certain type of terminal nodes in time and enable the certain type of terminal nodes to save electricity.
In summary, in the paging method shown in fig. 2, the management node sends the paging control information and the data information scheduled by the paging control information. The terminal node acquires the paging message in the data message by monitoring the paging control message and receiving the data message scheduled by the paging control message after successfully decoding the paging control message. The method can realize the paging function of the terminal node in an idle state, and is also favorable for simplifying the paging of the terminal node compared with a complex paging method which needs to reach a certain paging reachable rate in a cellular network.
Referring to fig. 3, fig. 3 is a schematic flowchart of a wake-up method according to an embodiment of the present disclosure. The awakening method is explained from the point of view of interaction between the management node and the terminal node. The wake-up method includes, but is not limited to, the following steps:
s201, a management node sends awakening control information;
the wake-up control information may indicate that all terminal nodes monitor the paging control information, or the wake-up control information may indicate one or more types of terminal nodes monitor the paging control information.
In one embodiment, the management node may transmit wakeup control information in a radio frame subsequent to a radio frame in which a First Synchronization Signal (FSS) or a Second Synchronization Signal (SSS) is located, where the First Synchronization Signal is a Signal used for time and frequency Synchronization in the vehicle-mounted wireless short-range communication system, the two Synchronization signals are one group, the Synchronization Signal First appearing in a time domain, the Second Synchronization Signal is a Signal used for time and frequency Synchronization in the vehicle-mounted wireless short-range communication system, and the two Synchronization signals are one group, the Synchronization Signal later appearing in the time domain. Further, the management node may send the wake-up control information in a radio frame immediately after the radio frame in which the first synchronization signal or the second synchronization signal is located.
In one embodiment, the management node may send the wake-up control information in a radio frame subsequent to the radio frame in which the first synchronization signal or the second synchronization signal is located.
S202, the terminal node monitors wake-up control information at the wake-up time;
the terminal node monitors the wake-up control information at the wake-up time. Wherein, the Wakeup timing (Wakeup interrupt, WO) is a timing when the terminal node monitors the Wakeup control information. Accordingly, the management node may send wake-up control information on the wake-up occasions.
One wake-up occasion may be a radio frame, and in particular, one wake-up occasion may be control information within one radio frame. In the in-vehicle communication, one wireless frame is a basic resource unit of information transmission. One radio frame consists of G symbols, a switching interval, and T symbols. The G link transmission and the T link transmission use different symbols in a wireless frame, the symbols used by the G link transmission are called G symbols, and the symbols used by the T link transmission are called T symbols. One radio frame consists of one or more G symbols, a first switching interval (GAP1), one or more T symbols and a second switching interval (GAP2) in sequence; or one radio frame is composed of one or more T symbols, a first switching interval (GAP1), one or more G symbols, and a second switching interval (GAP 2). A radio frame has 8 symbols (normal cyclic prefix) or 7 symbols (extended cyclic prefix).
A wake-up occasion may also be a semi-superframe (Half Super Frame), and specifically, a wake-up occasion may be control information within a semi-superframe. The semi-superframe is a time length formed by 24 wireless frames in the vehicle-mounted wireless short-distance communication system.
One wake-up occasion may also be a Super Frame (Super Frame), and in particular, one wake-up occasion may be control information within one Super Frame. The superframe is a time length formed by 48 wireless frames in the vehicle-mounted wireless short-distance communication system. One superframe contains 2 half superframes.
An awake occasion may also be a Super Frame Group (SFG), and specifically, an awake occasion may be control information within a Super Frame Group. The superframe group is a time length formed by a plurality of superframes in the vehicle-mounted wireless short-distance communication system. Specifically, one superframe group consists of 5, 10, 15, or 20 superframes. A superframe group may also be composed of superframes with a number other than 5, 10, 15, and 20, which is not limited herein.
And the terminal node determines the awakening time according to the high-level identification. The terminal node can obtain the position of the awakening opportunity by calculating the high-level identification.
The wake-up occasion may be a special paging occasion.
In one embodiment, the wake-up time is within a radio frame following the radio frame in which the first synchronization signal or the second synchronization signal is located. When the management node sends the wake-up control information in the radio frame after the radio frame where the first synchronization signal or the second synchronization signal is located, the terminal node may wake up before the first synchronization information or the second synchronization information, perform time-frequency synchronization through the first synchronization information or the second synchronization information, and then monitor the wake-up control information in a subsequent radio frame in time. Further, the wake-up time is in a radio frame immediately after the radio frame where the first synchronization signal or the second synchronization signal is located.
In one embodiment, the wake-up occasion is within a semi-superframe after the semi-superframe in which the first synchronization signal or the second synchronization signal is located. When the management node sends the wake-up control information in a semi-superframe after the semi-superframe in which the first synchronization signal or the second synchronization signal is located, the terminal node can wake up before the first synchronization information or the second synchronization information, perform time-frequency synchronization through the first synchronization information or the second synchronization information, and then monitor the wake-up control information in time on a subsequent wake-up occasion. Further, the wake-up time is in an immediately adjacent semi-superframe after the semi-superframe in which the first synchronization signal or the second synchronization signal is located.
In one embodiment, the wake-up time is in a superframe after the superframe in which the first synchronization signal or the second synchronization signal is located. When the management node sends the wake-up control information in the superframe after the superframe where the first synchronization signal or the second synchronization signal is located, the terminal node may wake up before the first synchronization information or the second synchronization information, perform time-frequency synchronization through the first synchronization information or the second synchronization information, and then monitor the wake-up control information in time at a subsequent wake-up time. Further, the wake-up time is in a superframe immediately following the superframe in which the first synchronization signal or the second synchronization signal is located.
In one embodiment, the wake-up time is in a superframe group after the superframe group in which the first synchronization signal or the second synchronization signal is located. When the management node sends the wake-up control information in the superframe group after the superframe group in which the first synchronization signal or the second synchronization signal is located, the terminal node may wake up before the first synchronization information or the second synchronization information, perform time-frequency synchronization through the first synchronization information or the second synchronization information, and then monitor the wake-up control information in time on a subsequent wake-up occasion. Further, the wake-up time is in a superframe group immediately after the superframe group in which the first synchronization signal or the second synchronization signal is located.
In another embodiment, the wake-up occasion precedes the paging occasion. So that the terminal node listens for the wake-up control information before the paging occasion.
In another embodiment, the wake-up occasion precedes the paging of a half superframe. So that the end node listens for the wake-up control information before paging the half superframe.
In another embodiment, the wake-up occasion precedes the paging superframe. So that the end node listens for the wake-up control information before paging the superframe.
In another embodiment, the wake-up occasion precedes the paging superframe group. So that the end node listens for wake-up control information before paging the superframe group.
S203, the terminal node monitors the paging control information when determining that the paging control information needs to be monitored according to the awakening control information;
in one embodiment, if the end node listens for the wake-up control information on a wake-up occasion that is prior to one or more paging occasions and determines that it is necessary to listen for the paging control information, the end node may listen for the paging control information on one or more paging occasions after the wake-up occasion.
In one embodiment, if the wake-up occasion at which the end node listens for the wake-up control information is before one or more paging half superframes and it is determined that it is necessary to listen for the paging control information, the end node may listen for the paging control information in one or more paging half superframes after the wake-up occasion.
In one embodiment, if the wake-up occasion at which the end node listens for the wake-up control information is before one or more paging superframes and it is determined that it is necessary to listen for the paging control information, the end node may listen for the paging control information in one or more paging superframes after the wake-up occasion.
In one embodiment, if the wake-up occasion at which the end node listens for the wake-up control information is before one or more paging superframe groups and it is determined that it is necessary to listen for the paging control information, the end node may listen for the paging control information in the one or more paging superframe groups after the wake-up occasion.
The awakening control information indicates that all terminal nodes monitor the paging control information; or, the wake-up control information indicates one or more types of terminal nodes to monitor the paging control information.
In summary, in the wake-up method shown in fig. 3, the management node sends the wake-up control information, and the terminal node monitors the wake-up control information at the wake-up time, and monitors the paging control information when determining that the paging control information needs to be monitored according to the wake-up control information. Compared with the method that the management node does not send the awakening control information, and the terminal node maintains the micro-sleep state until the paging control information is monitored, the method can reduce the micro-sleep time of the terminal node, so that the terminal node to be paged can be awakened in time to monitor the paging control information, the terminal node not to be paged can continue to maintain the micro-sleep state, and the power consumption of the terminal node not to be paged can be reduced.
Referring to fig. 4, fig. 4 is a flowchart illustrating another paging method according to an embodiment of the present application. The difference from the paging method shown in fig. 1 is that in fig. 4, the terminal node also listens for the wake-up control information before listening for the paging control information. The paging method includes, but is not limited to, the following steps:
s301, the management node sends wake-up control information;
s302, the terminal node monitors wake-up control information at the wake-up time;
s303, the management node sends paging control information and sends data information scheduled by the paging control information;
s304, the terminal node monitors the paging control information at the paging occasion when determining that the paging control information needs to be monitored according to the awakening control information;
s305, after the terminal node successfully decodes the paging control information, the terminal node receives the data information scheduled by the paging control information;
s306, the terminal node acquires the paging message in the data information;
the relevant descriptions of steps S301 to S306 can refer to the relevant contents in the paging method shown in fig. 2 and the relevant contents in the wake-up method shown in fig. 3, and are not described in detail here.
It can be seen that, in the paging method shown in fig. 4, before the terminal node monitors the paging control information at the paging occasion, the terminal node also monitors the wakeup control information at the wakeup occasion, which is beneficial to enabling the terminal node to be paged to be awakened in time, and the terminal node not to be paged can continue to maintain the sleep state. Compared with the method that the terminal node does not monitor the awakening control information on the awakening occasion and directly monitors the paging control information on the paging occasion, the method is also beneficial to reducing the power consumption of the terminal node which does not need to be paged.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a paging device according to an embodiment of the present application. As shown in fig. 5, the paging device includes but is not limited to: listening unit 401, receiving unit 402, obtaining unit 403 and processing unit 404. Wherein:
a monitoring unit 401, configured to monitor paging control information;
in one embodiment, the monitoring unit is further configured to monitor paging control information at a paging occasion.
A receiving unit 402, configured to receive data information scheduled by the paging control information after the paging control information is successfully decoded;
the paging message indicates that all terminal nodes are paged; alternatively, the paging message indicates that one or more types of terminal nodes are paged to.
An obtaining unit 403, configured to obtain a paging message in the data information.
A processing unit 404, configured to determine a paging occasion according to the high layer identifier.
Wherein, a paging occasion is control information in a radio frame or a radio frame, or a paging occasion is control information in a semi-superframe or a semi-superframe, or a paging occasion is control information in a superframe or a superframe, or a paging occasion is control information in a superframe group or a superframe group.
In one embodiment, the processing unit 404 is further configured to determine the paging semi-superframe and the paging occasion in the paging semi-superframe group according to the high layer identifier. The paging semi-superframe consists of all paging occasions within a semi-superframe.
In one embodiment, the processing unit 404 is further configured to determine the paging superframe and the paging occasion in the paging superframe according to the high layer identifier. The paging superframe consists of all paging occasions within the superframe.
In one embodiment, the processing unit 404 is further configured to determine the paging superframe group and the paging occasions in the paging superframe group according to the high layer identifier. The paging superframe group is composed of all paging occasions within one or more superframes. Specifically, the paging superframe group is composed of all paging occasions within 5, 10, 15 or 20 superframes.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present application. The terminal device may include: a processor 501 and a memory 502. The processor 501 and the memory 502 are connected by a bus. The memory 502 is used to store a computer program comprising program instructions and the processor 501 is used to execute the program instructions stored by the memory 502.
In the embodiment of the present application, the processor 501 executes the executable program code in the memory 502 to perform the following operations:
monitoring paging control information; receiving data information scheduled by the paging control information after the paging control information is successfully decoded; and acquiring the paging message in the data information. The paging message indicates that all terminal nodes are paged; alternatively, the paging message indicates that one or more types of terminal nodes are paged to.
In one embodiment, the processor 501, by executing the executable program code in the memory 502, further performs the following operations: and monitoring paging control information on paging occasions.
In one embodiment, the processor 501, by executing the executable program code in the memory 502, further performs the following operations: and determining a paging occasion according to the high-layer identifier.
Wherein, a paging occasion is control information in a radio frame or a radio frame, or a paging occasion is control information in a semi-superframe or a semi-superframe, or a paging occasion is control information in a superframe or a superframe, or a paging occasion is control information in a superframe group or a superframe group.
In one embodiment, the processor 501, by executing the executable program code in the memory 502, further performs the following operations: and determining the paging semi-superframe and the paging time in the paging semi-superframe group according to the high-level identification. The paging semi-superframe consists of all paging occasions within a semi-superframe.
In one embodiment, the processor 501, by executing the executable program code in the memory 502, further performs the following operations: and determining the paging superframe and the paging time in the paging superframe according to the high-level identification. The paging superframe consists of all paging occasions within the superframe.
In one embodiment, the processor 501, by executing the executable program code in the memory 502, further performs the following operations: and determining the paging superframe group and the paging time in the paging superframe group according to the high-level identification. The paging superframe group is composed of all paging occasions within one or more superframes. Specifically, the paging superframe group is composed of all paging occasions within 5, 10, 15 or 20 superframes.
Optionally, the paging device or the terminal device may further perform related operations in the above method embodiments, which are not described in detail herein.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a wake-up device according to an embodiment of the present disclosure. As shown in fig. 7, the wake-up device includes but is not limited to: a listening unit 601 and a processing unit 602. Wherein:
a monitoring unit 601, configured to monitor wake-up control information at a wake-up time.
The awakening control information indicates that all terminal nodes monitor paging control information; or, the wake-up control information indicates one or more types of terminal nodes to monitor the paging control information.
The awakening time is in a wireless frame behind the wireless frame where the first synchronous signal or the second synchronous signal is located; or, the wake-up occasion is before a paging occasion; or, the wake-up occasion is before a paging semi-superframe; or, the wake-up occasion is before a paging superframe; alternatively, the wake-up occasion precedes a paging superframe group.
A processing unit 602, configured to monitor, when it is determined that paging control information needs to be monitored according to the wake-up control information, the paging control information at a paging occasion after the wake-up occasion, or the paging control information in a paging semi-superframe after the wake-up occasion, or the paging control information in a paging superframe group after the wake-up occasion.
Optionally, the wake-up apparatus may further perform related operations in the above method embodiments, which are not described in detail herein.
In another embodiment, in the terminal device shown in fig. 6, the processor 501 executes the executable program code in the memory 502 to perform the following operations: and monitoring the awakening control information at the awakening opportunity.
The awakening control information indicates that all terminal nodes monitor paging control information; or, the wake-up control information indicates one or more types of terminal nodes to monitor the paging control information.
The awakening time is in a wireless frame behind the wireless frame where the first synchronous signal or the second synchronous signal is located; or, the wake-up occasion is before a paging occasion; or, the wake-up occasion is before a paging semi-superframe; or, the wake-up occasion is before a paging superframe; alternatively, the wake-up occasion precedes a paging superframe group. In one embodiment, the processor 501, by executing the executable program code in the memory 502, further performs the following operations: and when the paging control information is determined to be monitored according to the awakening control information, monitoring the paging control information at a paging occasion after the awakening occasion, or monitoring the paging control information in a paging semi-superframe after the awakening occasion, or monitoring the paging control information in a paging superframe group after the awakening occasion.
Optionally, the terminal device may further perform related operations in the above method embodiments, and details are not described here.
The embodiment of the application also provides a computer readable storage medium. The computer readable storage medium stores a computer program, which includes program instructions, and when the program instructions are executed by a processor, the method for paging as shown in fig. 2 and 4 or the method for waking up as shown in fig. 3, and the steps executed by the related embodiments, can be executed.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (39)
1. A method for paging, comprising:
monitoring paging control information;
receiving data information scheduled by the paging control information after the paging control information is successfully decoded;
and acquiring the paging message in the data information.
2. The method of claim 1,
the paging message indicates that all terminal nodes are paged; or,
the paging message indicates that one or more types of terminal nodes are paged to.
3. The method of claim 1, wherein the listening for paging control information comprises:
and monitoring paging control information on paging occasions.
4. The method of claim 3, further comprising:
and determining a paging occasion according to the high-layer identifier.
5. The method according to any of claims 1 to 4, wherein a paging occasion is a radio frame or control information within a radio frame.
6. The method according to any of claims 1 to 4, wherein a paging occasion is a semi-superframe or control information within a semi-superframe.
7. The method according to any of claims 1 to 4, wherein a paging occasion is a superframe or control information within a superframe.
8. The method according to any of claims 1 to 4, characterized in that a paging occasion is a superframe group or control information within a superframe group.
9. The method of claim 4, wherein the determining the paging occasion according to the higher layer identifier comprises:
and determining the paging semi-superframe and the paging time in the paging semi-superframe group according to the high-level identification.
10. The method of claim 9, wherein the paging semi-superframe is comprised of all paging occasions within a semi-superframe.
11. The method of claim 4, wherein the determining the paging occasion according to the higher layer identifier comprises:
and determining the paging superframe and the paging time in the paging superframe according to the high-level identification.
12. The method of claim 11, wherein the paging superframe consists of all paging occasions within a superframe.
13. The method of claim 4, wherein the determining the paging occasion according to the higher layer identifier comprises:
and determining the paging superframe group and the paging time in the paging superframe group according to the high-level identification.
14. The method of claim 13, wherein the group of paging superframes consists of all paging occasions within one or more superframes.
15. The method of claim 14, wherein the paging superframe group consists of all paging occasions within 5, 10, 15, or 20 superframes.
16. A wake-up method, characterized in that,
and monitoring the awakening control information at the awakening opportunity.
17. The method of claim 16,
the awakening control information indicates that all terminal nodes monitor paging control information; or,
the wake-up control information indicates one or more types of terminal nodes to monitor paging control information.
18. The method of claim 16,
the awakening time is in a wireless frame behind the wireless frame where the first synchronous signal or the second synchronous signal is located; or,
the wake-up occasion is prior to a paging occasion; or,
the wake-up occasion is prior to a paging semi-superframe; or,
the wake-up occasion is before a paging superframe; or,
the wake-up occasion precedes the paging superframe group.
19. The method of any one of claims 16 to 18, further comprising:
and when the paging control information is determined to be monitored according to the awakening control information, monitoring the paging control information at a paging occasion after the awakening occasion, or monitoring the paging control information in a paging semi-superframe after the awakening occasion, or monitoring the paging control information in a paging superframe group after the awakening occasion.
20. A paging device, comprising:
the monitoring unit is used for monitoring the paging control information;
a receiving unit, configured to receive data information scheduled by the paging control information after the paging control information is successfully decoded;
and the acquisition unit is used for acquiring the paging message in the data information.
21. The apparatus of claim 20,
the paging message indicates that all terminal nodes are paged; or,
the paging message indicates that one or more types of terminal nodes are paged to.
22. The apparatus of claim 20,
the monitoring unit is further configured to monitor paging control information at a paging occasion.
23. The apparatus of claim 22, further comprising:
and the processing unit is used for determining the paging occasion according to the high-level identification.
24. The apparatus according to any of claims 20 to 23, wherein a paging occasion is a radio frame or control information within a radio frame.
25. The apparatus according to any of claims 20 to 23, wherein a paging occasion is a semi-superframe or control information within a semi-superframe.
26. The apparatus according to any of claims 20 to 23, wherein a paging occasion is a superframe or control information within a superframe.
27. The apparatus of any of claims 20 to 23, wherein a paging occasion is a superframe group or control information within a superframe group.
28. The apparatus of claim 23,
and the processing unit is also used for determining the paging semi-superframe and the paging time in the paging semi-superframe group according to the high-level identification.
29. The apparatus of claim 28, wherein the paging semi-superframe is comprised of all paging occasions within a semi-superframe.
30. The apparatus of claim 23,
and the processing unit is also used for determining the paging superframe and the paging time in the paging superframe according to the high-level identification.
31. The apparatus of claim 30, wherein the paging superframe consists of all paging occasions within a superframe.
32. The apparatus of claim 23,
and the processing unit is also used for determining the paging superframe group and the paging time in the paging superframe group according to the high-level identification.
33. The apparatus of claim 32, wherein the group of paging superframes consists of all paging occasions within one or more superframes.
34. The apparatus of claim 33, wherein the group of paging superframes consists of all paging occasions within 5, 10, 15, or 20 superframes.
35. A wake-up unit, comprising:
and the monitoring unit is used for monitoring the awakening control information at the awakening time.
36. The apparatus of claim 35,
the awakening control information indicates that all terminal nodes monitor paging control information; or,
the wake-up control information indicates one or more types of terminal nodes to monitor paging control information.
37. The apparatus of claim 35,
the awakening time is in a wireless frame behind the wireless frame where the first synchronous signal or the second synchronous signal is located; or,
the wake-up occasion is prior to a paging occasion; or,
the wake-up occasion is prior to a paging semi-superframe; or,
the wake-up occasion is before a paging superframe; or,
the wake-up occasion precedes the paging superframe group.
38. The apparatus of any one of claims 35 to 37, further comprising:
and the processing unit is used for monitoring the paging control information at the paging occasion after the awakening occasion when the paging control information is determined to be monitored according to the awakening control information, or monitoring the paging control information in the paging semi-superframe after the awakening occasion, or monitoring the paging control information in the paging superframe after the awakening occasion.
39. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method of any one of claims 1 to 15 or carries out the method of any one of claims 16 to 19.
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