CN109429307B - Internet of things terminal and state migration method and system thereof - Google Patents
Internet of things terminal and state migration method and system thereof Download PDFInfo
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- CN109429307B CN109429307B CN201710520749.2A CN201710520749A CN109429307B CN 109429307 B CN109429307 B CN 109429307B CN 201710520749 A CN201710520749 A CN 201710520749A CN 109429307 B CN109429307 B CN 109429307B
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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
- H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
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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 discloses an Internet of things terminal and a state migration method and system thereof, relating to the technical field of Internet of things, wherein the method comprises the following steps: the terminal of the Internet of things is transferred to an extended discontinuous reception eDRX state from a connection state; the terminal of the Internet of things is transferred to a power saving mode PSM state from an eDRX state, and a PSM timer is triggered to start timing; under the condition that the timing of the PSM timer exceeds the preset time, the terminal of the Internet of things is transferred to an eDRX state from the PSM state; and after the state is transferred to the eDRX state, the terminal of the Internet of things carries out state transfer according to whether the terminal of the Internet of things needs to carry out interaction with the network side. The invention can give consideration to downlink data reception and the power consumption of the terminal of the Internet of things.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a terminal of Internet of things, a state migration method and system thereof and a computer readable storage medium.
Background
With the development of mobile communication services, traditional person-to-person communication services are increasingly saturated, and the internet of things becomes a research hotspot in recent years.
Currently, the 3rd Generation Partnership Project (3 GPP) standard is studying to use cellular networks to carry narrowband Internet of Things (NB-IoT), Machine Type Communication (MTC), and enhanced Machine Type Communication (eMTC) services, but the characteristics of NB-IoT, MTC, and eMTC services are different from the conventional cellular networks carrying services. Therefore, the traditional cellular network needs to be correspondingly enhanced and optimized in function so as to better meet the application requirements of the internet of things.
The terminal of the internet of things requires low Power consumption, and therefore, an extended Discontinuous Reception (eDRX) Power Saving technology and a Power Saving Mode (PSM) are introduced to further reduce Power consumption and prolong the service time of a battery.
When the PSM is in a deep sleep state, the current of the terminal of the Internet of things is about 0.005mA, and the terminal of the Internet of things is in a most power-saving state and has low power consumption. The terminal of the internet of things in the PSM state is still registered in the network, but the signaling is not reachable, the paging information issued by the network side cannot be received, the cell reselection cannot be performed, and the terminal of the internet of things is migrated to the connection state only when the timer expires or the terminal of the internet of things needs to send uplink data to the network side. Therefore, in the PSM state, since the paging message cannot be received, the internet of things terminal cannot be switched to the connection state in time, so that the downlink data sent by the network side cannot be received in time. And in the eDRX state, the terminal of the Internet of things is in a shallow sleep state, the current is about 1-1.5mA, and the terminal is in a state of insufficient power saving. However, the terminal of the internet of things in the eDRX state can receive the paging information sent by the network side every 2.56s-2.92h, so that the terminal of the internet of things in the eDRX state can be switched to the connected state to receive downlink data sent by the network side in time. But the power consumption of the internet of things terminal in eDRX state is much larger than that in PSM state.
Therefore, it is necessary to provide a technical solution that can consider both downlink data reception and power consumption of the terminal of the internet of things.
Disclosure of Invention
One object of the present invention is: the method for migrating the state of the terminal of the Internet of things is provided, and downlink data receiving and power consumption of the terminal of the Internet of things can be considered.
According to one aspect of the invention, a method for migrating the state of an internet of things terminal is provided, which comprises the following steps: the terminal of the Internet of things is transferred to an extended discontinuous reception eDRX state from a connection state; the terminal of the Internet of things is transferred to a power saving mode PSM state from an eDRX state, and a PSM timer is triggered to start timing; under the condition that the timing of the PSM timer exceeds the preset time, the terminal of the Internet of things is transferred to an eDRX state from the PSM state; and after the state is transferred to the eDRX state, the terminal of the Internet of things carries out state transfer according to whether the terminal of the Internet of things needs to carry out interaction with the network side.
In one embodiment, the terminal of the internet of things comprises a state transition controller, a baseband module and a radio frequency module; the migrating the terminal of the internet of things from the PSM state to the eDRX state when the PSM timer times out for more than a predetermined time includes: and under the condition that the timing of the PSM timer exceeds the preset time, the state transition controller is triggered to control the baseband module and the radio frequency module to transition from the PSM state to the eDRX state.
In one embodiment, the state migration of the internet of things terminal according to whether to interact with the network side includes: under the condition that data exist in a data sending buffer of the terminal of the Internet of things, the terminal of the Internet of things is indicated to send uplink data to a network side, and the state transition controller controls the baseband module and the radio frequency module to transition from an eDRX state to a connection state; under the condition of receiving a paging message sent by a network side, indicating that the network side needs to send downlink data to an Internet of things terminal, and controlling the baseband module and the radio frequency module to be transferred from an eDRX state to a connection state by the state transfer controller; and under the condition that no data exists in the data sending buffer and no paging message is received, after a preset time, the state transition controller controls the baseband module and the radio frequency module to transition from an eDRX state to a PSM state.
In one embodiment, the predetermined time is preset in a baseband module of the terminal of the internet of things.
In one embodiment, the predetermined time is received from the network side when the terminal of the internet of things is in a connected state.
According to another aspect of the present invention, there is provided an internet of things terminal, including: the migration module is used for migrating the terminal of the Internet of things from a connection state to an extended discontinuous reception (eDRX) state; the eDRX state is transferred to a power saving mode PSM state, and a PSM timer is triggered to start timing; the PSM timer is used for triggering the state transition controller to control the Internet of things terminal to transition from the PSM state to the eDRX state when the timing exceeds the preset time; the state transition controller is used for controlling the terminal of the Internet of things to transition from the PSM state to the eDRX state under the condition that the timing of the PSM timer exceeds the preset time; and after the state is transferred to the eDRX state, performing state transfer according to whether the interaction is required to be performed with the network side.
In one embodiment, the terminal of the internet of things comprises a baseband module and a radio frequency module; the state transition controller is used for controlling the baseband module and the radio frequency module to transition from the PSM state to the eDRX state under the condition that the timing of the PSM timer exceeds the preset time.
In one embodiment, when there is data in a data sending buffer of the terminal of the internet of things, it indicates that the terminal of the internet of things is to send uplink data to a network side, and the state transition controller controls the baseband module and the radio frequency module to transition from an eDRX state to a connection state; under the condition of receiving a paging message sent by a network side, indicating that the network side needs to send downlink data to an Internet of things terminal, and controlling the baseband module and the radio frequency module to be transferred from an eDRX state to a connection state by the state transfer controller; and under the condition that no data exists in the data sending buffer and no paging message is received, after a preset time, the state transition controller controls the baseband module and the radio frequency module to transition from an eDRX state to a PSM state.
In one embodiment, the predetermined time is preset in a baseband module of the terminal of the internet of things.
In one embodiment, the predetermined time is received from the network side when the terminal of the internet of things is in a connected state.
According to another aspect of the present application, there is provided a system for migrating a terminal state of an internet of things, including: a memory; and a processor coupled to the memory, the processor configured to perform the method of any of the above embodiments based on instructions stored in the memory.
According to yet another aspect of the present application, there is provided a computer-readable storage medium having stored thereon computer program instructions, which when executed by a processor, implement the method according to any one of the above embodiments.
The embodiment of the invention provides that the transition time sequence of the state of the terminal of the internet of things is changed, the terminal of the internet of things in the PSM state (most power saving) is transitioned to the eDRX state (secondary power saving) when the PSM timer reaches the preset time, and then the terminal of the internet of things is transitioned (returns to the PSM state or is transitioned to the connection state) according to whether the terminal of the internet of things needs to perform interaction with the network side. Because the internet of things terminal in the eDRX state can discontinuously receive some downlink paging messages, the internet of things terminal can migrate to the connection state to receive downlink data sent by the network side when receiving the paging messages. Therefore, the scheme of the embodiment gives consideration to the low power consumption of the PSM state and the real-time performance of the eDRX state, so that the power consumption is reduced, and the downlink data can be received in time. Moreover, the embodiment can be compatible with the original state transition timing sequence.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for migrating a terminal state of the internet of things according to an embodiment of the invention;
fig. 2A is a schematic diagram illustrating state transition of an existing terminal of the internet of things;
fig. 2B shows a schematic diagram of state transition of an internet of things terminal of the present invention;
fig. 3 is a schematic diagram illustrating paging message reception and power consumption of terminals of the internet of things in different states according to the present invention;
fig. 4 is a schematic structural diagram of an internet of things terminal according to an embodiment of the invention;
fig. 5 is a schematic structural diagram of a migration system of the terminal state of the internet of things according to an embodiment of the invention;
fig. 6 is a schematic structural diagram of a system for migrating a terminal state of the internet of things according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic flow chart of a method for migrating a terminal state of the internet of things according to an embodiment of the invention.
In step 102, the terminal of the internet of things is moved from the connected state to the eDRX state.
The internet of things terminal may include, for example, a cellular internet of things terminal, such as an NB-IoT terminal, an MTC terminal, an eMTC terminal, and so on. The terminal of the internet of things can send and receive data when being in a connected state (also called an activated state). And if no data is sent or received within a period of time, the terminal of the Internet of things is transferred from the connection state to an eDRX state with lower power consumption. The internet of things terminal in the eDRX state can discontinuously receive the paging message issued by the network side, and the received paging message indicates that the network side is to send downlink data to the internet of things terminal.
In step 104, the terminal of the internet of things is moved from the eDRX state to the PSM state, and a PSM timer is triggered to start timing.
If no data is transmitted or received after a period of time (for example, the active timer is timed out), the terminal of the internet of things is moved from the eDRX state to the PSM state with lower power consumption. The PSM-state terminal of the Internet of things is in a deep sleep state and does not perform any communication activities any more.
In step 106, in the case that the PSM timer times out for more than a predetermined time, the terminal of the internet of things is moved from the PSM state to the eDRX state.
In one implementation, the predetermined time may be preset (default) in a baseband module of the terminal of the internet of things, that is, the terminal of the internet of things is preset in the baseband module when the terminal of the internet of things leaves a factory. In another implementation, the predetermined time may be obtained by receiving from a network side (e.g., a base station) when the terminal of the internet of things is in a connected state, and the predetermined time in this case may be changed according to a traffic situation. For example, the network side may send a timing parameter to a group of similar internet of things terminals, where the timing parameter includes a predetermined time.
In one embodiment, the terminal of the internet of things comprises a state transition controller, a baseband module and a radio frequency module. When the timing of the PSM exceeds the preset time, the PSM triggers the state transition controller to work, and the state transition controller controls the baseband module and the radio frequency module to transition from the PSM state to the eDRX state, so that the terminal of the Internet of things is transitioned from the PSM state to the eDRX state.
In step 108, after migrating to the eDRX state, the terminal of the internet of things performs state migration according to whether to perform interaction with the network side. Here, whether to interact with the network side includes whether to send uplink data to the network side or whether to send downlink data to the terminal of the internet of things.
In one embodiment, the terminal of the internet of things may determine whether to interact with data on the network side according to the state of the data transmission buffer and whether a paging message is received. For example, it may be determined whether a Paging message is received within a Paging Time Window (PTW).
Under the condition that data exist in the data sending buffer, the fact that the terminal of the Internet of things is about to send uplink data to the network side is indicated, and the state transition controller controls the baseband module and the radio frequency module to transition from the eDRX state to a connection state with higher power consumption, so that the uplink data can be sent to the network side.
Under the condition of receiving a paging message sent by a network side, indicating that the network side needs to send downlink data to the terminal of the internet of things, and controlling the baseband module and the radio frequency module to be in a connected state from an eDRX state by the state transition controller, so that the downlink data sent by the network side can be received in time.
In the case that there is no data in the data transmission buffer and no paging message is received, after a preset time (for example, the active timer has timed out), the state transition controller controls the baseband module and the radio frequency module to transition from the eDRX state to the PSM state with lower power consumption, and performs an operation of triggering the PSM timer to start timing. That is, while in PSM, the internet of things terminal may periodically migrate to eDRX state.
In this embodiment, a transition timing sequence of the state of the terminal of the internet of things is changed, the terminal of the internet of things in the PSM state (most power saving) transitions to the eDRX state (power saving mode) when the PSM timer times for a predetermined time, and then the terminal of the internet of things transitions (returns to the PSM state or transitions to the connection state) according to whether to perform interaction with the network side. Because the internet of things terminal in the eDRX state can discontinuously receive some downlink paging messages, the internet of things terminal can migrate to the connection state to receive downlink data sent by the network side when receiving the paging messages. Therefore, the scheme of the embodiment gives consideration to the low power consumption of the PSM state and the real-time performance of the eDRX state, so that the power consumption is reduced, and the downlink data can be received in time. Moreover, the embodiment can be compatible with the original state transition timing sequence.
Fig. 2A is a schematic diagram illustrating state transition of an existing terminal of the internet of things.
(1) And when the first preset time is reached and no data interaction exists, the terminal of the Internet of things is transferred to an eDRX state from a connection state. The first preset time may be timed according to a first timer, for example. And triggering the terminal of the Internet of things to migrate from the connection state to the eDRX state when the first timer reaches a first preset time.
(2) And when the data interaction does not exist at the second preset time, the terminal of the Internet of things is transferred to the PSM state from the eDRX state. The second preset time may be timed according to a second timer, for example. And triggering the terminal of the Internet of things to be transferred from the eDRX state to the PSM state when the second timer reaches a second preset time.
(3) When the terminal of the internet of things is in the PSM state, the terminal of the internet of things cannot receive the paging message, and the terminal of the internet of things can be migrated from the PSM state to the connection state only when the third preset time (the period is fixed and long) is reached or the terminal of the internet of things has uplink data to send. The third preset time may be timed according to a third timer, such as a Tracking Area Update (TAU) timer. And triggering the terminal of the Internet of things to be transferred from the PSM state to the connection state when the third timer reaches a third preset time.
As can be seen from fig. 2A, the existing terminal of the internet of things can only be migrated from the PSM state to the connected state.
Fig. 2B shows a schematic diagram of state transition of the internet of things terminal of the present invention.
(1) And when the first preset time is reached and no data interaction exists, the terminal of the Internet of things is transferred to an eDRX state from a connection state. The first preset time may refer to the above description.
(2) And when the data interaction does not exist at the second preset time, the terminal of the Internet of things is transferred to the PSM state from the eDRX state. The second preset time may refer to the above description.
(3) When the terminal of the internet of things is in the PSM state, when the PSM timer reaches the preset time, the terminal of the internet of things is transferred to the eDRX state (non-connection state) from the PSM state, so that the paging message can be received. When the terminal of the internet of things has uplink data to send or receives the paging message, the eDRX state is transferred to the connection state, and when the terminal of the internet of things has no uplink data to send and does not receive the paging message, the terminal of the internet of things is transferred back to the PSM state after reaching the second preset time. Therefore, the terminal of the internet of things can receive the paging message periodically so as to be transferred to the connection state to receive the downlink data timely, and the terminal of the internet of things can be transferred to the connection state without waiting for the third preset time.
Fig. 3 is a schematic diagram illustrating paging message reception and power consumption of terminals of the internet of things in different states according to the present invention.
As can be seen from fig. 3, the power consumption in the connected state, eDRX state, and PSM state decreases in order. By changing the transition time sequence of the state of the terminal of the Internet of things, when the PSM timer reaches the preset time, the transition controller controls the terminal of the Internet of things in the PSM state to enter an eDRX state, so that the paging message can be received regularly. Then, the connection state or the PSM state is determined according to whether data interaction is required to be carried out with the network side. Therefore, the scheme of the invention enables the terminal of the Internet of things to receive the paging message regularly even in the PSM state, so that the terminal of the Internet of things can be transferred to the connection state to receive the downlink data in time, and the power consumption and the downlink data receiving of the terminal of the Internet of things are considered.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. For the terminal embodiment of the internet of things, since the terminal embodiment of the internet of things basically corresponds to the method embodiment, the description is relatively simple, and relevant points can be obtained by referring to part of the description of the method embodiment.
Fig. 4 is a schematic structural diagram of an internet of things terminal according to an embodiment of the invention. As shown in fig. 4, the internet of things terminal 400 includes a migration module 401, a PSM timer 402, and a state migration controller 403.
The migration module 401 is configured to migrate the internet of things terminal from the connected state to the eDRX state; the eDRX state is transited to the PSM state, and the PSM timer 402 is triggered to start timing. The PSM timer 402 is configured to trigger the state transition controller 403 to control the terminal of the internet of things to transition from the PSM state to the eDRX state if the counted time exceeds a predetermined time. The state transition controller 403 is configured to control the internet of things terminal to transition from the PSM state to the eDRX state when the PSM timer times out a predetermined time; and after the state is transferred to the eDRX state, performing state transfer according to whether the interaction is required to be performed with the network side.
In the internet of things terminal of this embodiment, the internet of things terminal in the PSM state (most power saving) is transitioned to the eDRX state (power saving) when the PSM timer reaches a predetermined time, and then the state transition controller performs state transition (back to the PSM state or transition to the connected state) according to whether to perform interaction with the network side. Because the internet of things terminal in the eDRX state can discontinuously receive some downlink paging messages, the internet of things terminal can migrate to the connection state to receive downlink data sent by the network side when receiving the paging messages. Therefore, the scheme of the embodiment gives consideration to the low power consumption of the PSM state and the real-time performance of the eDRX state, so that the power consumption is reduced, and the downlink data can be received in time. Moreover, the embodiment can be compatible with the original state transition timing sequence.
In one embodiment, the internet of things terminal 400 includes a baseband module 405 and a radio frequency module 406; the state transition controller 403 is configured to control the baseband module 405 and the radio frequency module 406 to transition from the PSM state to the eDRX state if the PSM timer 402 times out for a predetermined time.
In one implementation, the predetermined time is preset in the baseband module 405 of the terminal of the internet of things. In another implementation, the predetermined time is received from a network side (e.g., a base station) when the terminal 400 of the internet of things is in a connected state.
In an embodiment, when there is data in the data transmission buffer 404 of the internet of things terminal 400, indicating that the internet of things terminal 400 is to transmit uplink data to the network side, the state transition controller 403 controls the baseband module 405 and the radio frequency module 406 to transition from the eDRX state to the connection state; under the condition of receiving a paging message sent by the network side, indicating that the network side is to send downlink data to the terminal 400 of the internet of things, the state transition controller 403 controls the baseband module 405 and the radio frequency module 406 to transition from the eDRX state to the connection state; in the case that there is no data in the data transmission buffer 404 and no paging message is received, after a preset time, the state transition controller 403 controls the baseband module 405 and the radio frequency module 406 to transition from the eDRX state to the PSM state.
Fig. 5 is a schematic structural diagram of a migration system of a terminal state of the internet of things according to an embodiment of the present invention. As shown in fig. 5, the system includes a memory 501 and a processor 502. The memory 501 may be a magnetic disk, flash memory, or any other non-volatile storage medium. The memory is used for storing the corresponding instructions of the method of any one of the previous embodiments. Coupled to the memory 501, the processor 502 may be implemented as one or more integrated circuits, such as a microprocessor or microcontroller. The processor 502 is configured to execute the instruction stored in the memory 501, so that the terminal of the internet of things can migrate to the eDRX state when the PSM timer times for a predetermined time, and downlink data reception and power consumption of the terminal of the internet of things are both considered.
Fig. 6 is a schematic structural diagram of a data transmission system according to another embodiment of the present invention. As shown in fig. 6, the system 600 includes a memory 601 and a processor 602. The processor 602 is coupled to the memory 601 through a BUS (BUS) 603. The system 600 may also be connected to an external storage 605 for calling external data through a storage interface 604, and may also be connected to a network or an external computer system (not shown) through a network interface 606.
In this embodiment, the memory stores the data instruction, and the processor processes the instruction, so that the terminal of the internet of things can migrate to the eDRX state when the PSM timer times for a predetermined time, and downlink data reception and power consumption of the terminal of the internet of things are both considered.
The invention also provides a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the method of any of the preceding embodiments. As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Thus far, the present invention has been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
The method and apparatus of the present invention may be implemented in a number of ways. For example, the methods and apparatus of the present invention may be implemented by software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustrative purposes only, and the steps of the method of the present invention are not limited to the order specifically described above unless specifically indicated otherwise. Furthermore, in some embodiments, the present invention may also be embodied as a program recorded in a recording medium, the program including machine-readable instructions for implementing a method according to the present invention. Thus, the present invention also covers a recording medium storing a program for executing the method according to the present invention.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (8)
1. A method for migrating the state of an Internet of things terminal is characterized by comprising the following steps:
the terminal of the Internet of things is transferred to an extended discontinuous reception eDRX state from a connection state;
the terminal of the Internet of things is transferred to a power saving mode PSM state from an eDRX state, and a PSM timer is triggered to start timing;
under the condition that the timing of the PSM exceeds the preset time, triggering a state transition controller of the Internet of things terminal to control a baseband module and a radio frequency module of the Internet of things terminal to transition from a PSM state to an eDRX state; and
after migrating to the eDRX state, the internet of things terminal performs state migration according to whether to perform interaction with the network side, including:
under the condition that data exist in a data sending buffer of the terminal of the Internet of things, the terminal of the Internet of things is indicated to send uplink data to a network side, and the state transition controller controls the baseband module and the radio frequency module to transition from an eDRX state to a connection state;
under the condition of receiving a paging message sent by a network side, indicating that the network side needs to send downlink data to an Internet of things terminal, and controlling the baseband module and the radio frequency module to be transferred from an eDRX state to a connection state by the state transfer controller;
and under the condition that no data exists in the data sending buffer and no paging message is received, after a preset time, the state transition controller controls the baseband module and the radio frequency module to transition from an eDRX state to a PSM state.
2. The method according to claim 1, wherein the predetermined time is preset in a baseband module of the terminal of the internet of things.
3. The method according to claim 1, wherein the predetermined time is received from the network side when the terminal of the internet of things is in a connected state.
4. An internet of things terminal, comprising:
the migration module is used for migrating the terminal of the Internet of things from a connection state to an extended discontinuous reception (eDRX) state; the eDRX state is transferred to a power saving mode PSM state, and a PSM timer is triggered to start timing;
the PSM timer is used for triggering the state transition controller to control the baseband module and the radio frequency module of the Internet of things terminal to transition from the PSM state to the eDRX state when the timing exceeds the preset time;
the state transition controller is used for controlling the terminal of the Internet of things to transition from the PSM state to the eDRX state under the condition that the timing of the PSM timer exceeds the preset time; after the state is transferred to the eDRX state, carrying out state transfer according to whether the interaction is carried out with the network side;
the state transition controller controls the baseband module and the radio frequency module to transition from an eDRX state to a connection state under the condition that data exist in a data transmission buffer of the terminal of the Internet of things, and the uplink data are transmitted to a network side by the terminal of the Internet of things;
under the condition of receiving a paging message sent by a network side, indicating that the network side needs to send downlink data to an Internet of things terminal, and controlling the baseband module and the radio frequency module to be transferred from an eDRX state to a connection state by the state transfer controller;
and under the condition that no data exists in the data sending buffer and no paging message is received, after a preset time, the state transition controller controls the baseband module and the radio frequency module to transition from an eDRX state to a PSM state.
5. The terminal of the internet of things of claim 4, wherein the predetermined time is preset in a baseband module of the terminal of the internet of things.
6. The terminal of the internet of things of claim 4, wherein the predetermined time is received from the network side when the terminal of the internet of things is in a connected state.
7. The utility model provides a migration system of thing networking terminal state which characterized in that includes:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of any of claims 1-3 based on instructions stored in the memory.
8. A computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method of any one of claims 1-3.
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| CN110567109B (en) * | 2019-09-27 | 2021-02-02 | 湖北理工学院 | Transmission method and system for control information for controlling air conditioner of Internet of things |
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| EP2991411B1 (en) * | 2014-01-10 | 2019-09-18 | LG Electronics Inc. | Method for supporting power saving mode and radio device therefor |
| US10085300B2 (en) * | 2015-02-16 | 2018-09-25 | Qualcomm Incorporated | Connected mode extended discontinuous reception |
| WO2016137475A1 (en) * | 2015-02-26 | 2016-09-01 | Nokia Solutions And Networks Oy | A method and apparatus for switching between power saving modes |
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