CN106817305B - Forwarding control method and access equipment - Google Patents
Forwarding control method and access equipment Download PDFInfo
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- CN106817305B CN106817305B CN201611265310.1A CN201611265310A CN106817305B CN 106817305 B CN106817305 B CN 106817305B CN 201611265310 A CN201611265310 A CN 201611265310A CN 106817305 B CN106817305 B CN 106817305B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/302—Route determination based on requested QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
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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
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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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
A forwarding control method and an access device are provided, wherein the method comprises the following steps: a modem of the access equipment receives downlink data sent to the terminal equipment; after demodulating the downlink data, the modem determines whether the type of the downlink data should be sent to the terminal device; after determining that the type of the downlink data should be sent to the terminal device, modulating the downlink data and sending the downlink data to a radio frequency module of the access device, and sending the modulated downlink data to the terminal device by the radio frequency module. The modem can modulate specific content of the downlink data, and the modem controls a data forwarding function, so that the CPU does not need to be awakened and the CPU does not need to execute interrupt processing due to data forwarding, on one hand, the load balance is realized, on the other hand, the interrupt of the CPU is reduced, the load of the CPU can be reduced, and the efficiency of the whole access equipment system is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a forwarding control method and an access device.
Background
A Central Processing Unit (CPU) is an ultra-large scale integrated circuit, and is an operation Core (Core) and a Control Core (Control Unit) of a hardware device. Its function is mainly to interpret computer instructions and to process data in computer software.
The cpu mainly includes an Arithmetic Unit (ALU), a Cache memory (Cache), and a Data (Data), control and status Bus (Bus) for implementing the connection between them. It is called three core components of electronic equipment together with internal Memory (Memory) and input/output (I/O) devices.
The working process of the CPU is as follows: instructions are fetched from memory or cache, placed in an instruction register, and decoded. It decomposes the instruction into a series of micro-operations, then sends out various control commands, executes the micro-operation series, thereby completing the execution of one instruction. An instruction is a basic command that a computer specifies the type and operands of an execution operation. An instruction is composed of one or more bytes including an opcode field, one or more fields for operand addresses, and some status words and signature codes that characterize the state of the machine. Some instructions also include the operands themselves directly.
Therefore, in the electronic device, all the functional modules, for example: the device comprises a modem (modem), a wireless fidelity (WIFI), a power module, a video module and other functional modules; the tasks are allocated by the CPU, and the execution processing of the functional modules can initiate CPU interruption, so that the load of the CPU is large, and the efficiency of the whole system is low.
Disclosure of Invention
The embodiment of the invention provides a forwarding control method and access equipment, which are used for reducing the load of a CPU (Central processing Unit) and improving the efficiency of a whole access equipment system.
In one aspect, an embodiment of the present invention provides a forwarding control method, including:
a modem of the access equipment receives downlink data sent to the terminal equipment;
after demodulating the downlink data, the modem determines whether the type of the downlink data should be sent to the terminal device;
after determining that the type of the downlink data should be sent to the terminal device, modulating the downlink data and sending the downlink data to a radio frequency module of the access device, and sending the modulated downlink data to the terminal device by the radio frequency module.
In an optional implementation manner, the determining whether the type of the downlink data should be sent to the terminal device includes:
determining whether the type of the downlink data should be immediately sent to the terminal device; the method further comprises the following steps:
waking up the radio frequency module in a low power consumption mode under the condition that the type of the downlink data is determined to be sent to the terminal equipment immediately;
and under the condition that the type of the downlink data is determined not to be sent to the terminal equipment immediately, caching the downlink data, and under the condition that a preset awakening condition is met, awakening the radio frequency module to enable the radio frequency module to forward the cached downlink data.
In an optional implementation manner, the determining that the type of the downlink data should be sent to the terminal device immediately includes:
the modem determines a quality of service requirement of the downlink data, determines that the type of the downlink data should be sent to the terminal device immediately if a delay of the quality of service requirement is lower than a predetermined threshold, and otherwise determines that the type of the downlink data does not need to be sent to the terminal device immediately.
In an optional implementation manner, the waking up the radio frequency module to make the radio frequency module forward the buffered downlink data until a predetermined wake-up condition is met includes:
awakening the radio frequency module until the cached data amount reaches a first preset value, so that the radio frequency module forwards the cached downlink data;
or, when the cached data amount reaches a second predetermined value and the rate of receiving the data to be forwarded is higher than a predetermined value, waking up the radio frequency module to enable the radio frequency module to forward the cached downlink data;
or after the timer is overtime, the radio frequency module is awakened to enable the radio frequency module to forward the cached downlink data.
In an optional implementation manner, before modulating the downlink data and sending the modulated downlink data to the radio frequency module of the access device, the method further includes:
analyzing the downlink data, and discarding the downlink data under the condition that the downlink data meets the filtering condition; and executing the modulation of the downlink data and sending the downlink data to a radio frequency module of the access equipment under the condition that the downlink data does not meet the filtering condition.
In an optional implementation manner, the determining that the downlink data meets the filtering condition includes:
and determining that the data type of the downlink data belongs to at least one of a spam short message, a data packet of broadcast data and advertisement traffic, or determining that the downlink data is from an internet protocol address of a blacklist of the terminal equipment.
In an optional implementation manner, the waking up the radio frequency module to make the radio frequency module forward the buffered downlink data includes:
the modem sends a wake-up instruction to the radio frequency module through the communication connection between the modem and the radio frequency module, so that the radio frequency module is converted into a working mode from a low power consumption mode, and the radio frequency module forwards the cached downlink data in the working mode.
In another aspect, an embodiment of the present invention further provides an access device, including: a modem, the modem comprising:
a data receiving unit, configured to receive downlink data sent to a terminal device;
a forwarding confirmation unit, configured to determine whether the type of the downlink data should be sent to the terminal device after demodulating the downlink data;
a forwarding control unit, configured to modulate the downlink data and send the downlink data to the radio frequency module of the access device after determining that the type of the downlink data should be sent to the terminal device, where the radio frequency module sends the modulated downlink data to the terminal device.
In an optional implementation manner, the determining, by the forwarding confirmation unit, whether the type of the downlink data should be sent to the terminal device includes:
determining whether the type of the downlink data should be immediately sent to the terminal device;
the modem further comprises:
a wake-up control unit, configured to wake up the radio frequency module in a low power consumption mode when determining that the type of the downlink data should be sent to the terminal device immediately;
and under the condition that the type of the downlink data is determined not to be sent to the terminal equipment immediately, caching the downlink data, and under the condition that a preset awakening condition is met, awakening the radio frequency module to enable the radio frequency module to forward the cached downlink data.
In an optional implementation manner, the waking control unit, configured to determine that the type of the downlink data should be sent to the terminal device immediately includes:
determining a service quality requirement of the downlink data, if a delay of the service quality requirement is lower than a predetermined threshold, determining that the type of the downlink data should be sent to the terminal device immediately, otherwise determining that the type of the downlink data does not need to be sent to the terminal device immediately.
In an optional implementation manner, the wake-up control unit is configured to wake up the radio frequency module until a predetermined wake-up condition is met, so that the forwarding, by the radio frequency module, the buffered downlink data includes:
awakening the radio frequency module until the cached data amount reaches a first preset value, so that the radio frequency module forwards the cached downlink data;
or, when the cached data amount reaches a second predetermined value and the rate of receiving the data to be forwarded is higher than a predetermined value, waking up the radio frequency module to enable the radio frequency module to forward the cached downlink data;
or after the timer is overtime, the radio frequency module is awakened to enable the radio frequency module to forward the cached downlink data.
In an optional implementation, the modem further includes:
a filtering control unit, configured to, before modulating the downlink data and sending the modulated downlink data to a radio frequency module of the access device, analyze the downlink data, and discard the downlink data when determining that the downlink data meets a filtering condition;
and the forwarding control unit is configured to execute the modulation on the downlink data and send the modulated downlink data to the radio frequency module of the access device when it is determined that the downlink data does not satisfy the filtering condition.
In an optional implementation manner, the filtering control unit, configured to determine that the downlink data meets a filtering condition includes:
and determining that the data type of the downlink data belongs to at least one of a spam short message, a data packet of broadcast data and advertisement traffic, or determining that the downlink data is from an internet protocol address of a blacklist of the terminal equipment.
In an optional implementation manner, the waking control unit is configured to wake up the radio frequency module to enable the radio frequency module to forward the buffered downlink data, and includes:
the modem sends a wake-up instruction to the radio frequency module through the communication connection between the modem and the radio frequency module, so that the radio frequency module is converted into a working mode from a low power consumption mode, and the radio frequency module forwards the cached downlink data in the working mode.
Embodiments of the present invention in three aspects further provide another access device, including: a modem, a radio frequency module, a processor and a memory, wherein the modem is the modem in the foregoing embodiments and is not described in detail herein.
According to the technical scheme, the embodiment of the invention has the following advantages: after the modem receives the downlink data, the specific content of the downlink data can be obtained through modulation, and the modem controls the data forwarding function, so that the CPU does not need to be awakened due to data forwarding, and the CPU does not need to be executed to perform interrupt processing, so that the work of the CPU is deployed in hardware with an intelligent function, on one hand, the load balance is realized, on the other hand, the interrupt of the CPU is reduced, the load of the CPU can be reduced, and the efficiency of the whole access equipment system is improved.
Drawings
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an access device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an access device according to an embodiment of the present invention.
Detailed Description
In one aspect, an embodiment of the present invention provides a forwarding control method, as shown in fig. 1, including:
101: a modem of the access equipment receives downlink data sent to the terminal equipment;
the access device refers to an access device in a wireless communication network, and the terminal device accesses the communication network through the access device. Therefore, the access device as a bridge between the terminal device and the communication network needs to forward a large amount of data, and the modem of the access device will receive a large amount of data that needs to be sent to the terminal device, and these data are called downlink data in the embodiment of the present invention.
102: after demodulating the downlink data, the modem determines whether the type of the downlink data should be transmitted to the terminal device;
the data type of the downlink data may be what type of data the downlink data belongs to, or may be what kind of data the downlink data needs to belong to; for example: QoS (Quality of Service) requirements, delay requirements, etc. of downlink data; for downlink data with higher requirement on service quality or lower delay, forwarding as soon as possible is needed; the radio frequency module can be immediately awakened to perform data forwarding.
103: and after determining that the type of the downlink data should be sent to the terminal equipment, modulating the downlink data and sending the downlink data to a radio frequency module of the access equipment, wherein the modulated downlink data is sent to the terminal equipment by the radio frequency module.
By adopting the embodiment of the invention, after the modem receives the downlink data, the specific content of the downlink data can be obtained by modulation, and the modem controls the data forwarding function, so that the CPU is not required to be awakened and the interruption processing is not required to be executed due to data forwarding, the work of the CPU is deployed in hardware with an intelligent function, on one hand, the load balance is realized, on the other hand, the interruption of the CPU is reduced, the load of the CPU can be reduced, and the efficiency of the whole access equipment system is improved.
In an optional implementation manner, an implementation scheme of whether the data should be sent to the terminal device is further provided, it should be noted that except for a case that the data should be sent to the terminal device immediately in this embodiment, a case that the data does not need to be sent to the terminal device immediately may be downlink data that is not sensitive to delay, and may also be data that needs to be filtered out, so that the following example of the embodiment of the present invention is taken as an optional implementation scheme, and should not be understood as a unique limitation to the embodiment of the present invention, and specifically, the following example is as follows: the determining whether the type of the downlink data should be sent to the terminal device includes:
determining whether the type of the downlink data should be immediately sent to the terminal device; the method further comprises the following steps:
waking up the radio frequency module in a low power consumption mode in a case where it is determined that the type of the downlink data should be immediately transmitted to the terminal device;
and under the condition that the type of the downlink data is determined not to be sent to the terminal equipment immediately, caching the downlink data, and under the condition that a preset awakening condition is met, awakening the radio frequency module to enable the radio frequency module to forward the cached downlink data.
In this embodiment, the radio frequency module may be in a low power consumption mode by default, where the low power consumption mode is an abnormal operating mode and is a lower power consumption operating mode than a normal operating mode, and in this operating mode, the power consumption of the radio frequency module is lower, and accordingly, the heat generation amount is also lower. The low power mode may be a sleep state.
In this embodiment, the mode for the modem to wake up the rf module may be that the modem directly sends a wake-up command to the rf module, or may be that the wake-up command is forwarded by the CPU, depending on whether there is a link for direct communication between the modem and the rf module. The method can also be realized by controlling the power supply voltage of the power supply module to the radio frequency module. In addition, the predetermined wake-up condition may be: the periodic wake-up radio frequency module may also be a wake-up radio frequency module after a certain amount of data is reached by a cache, or may be a wake-up radio frequency module in any other manner, which is not limited in this embodiment.
In an alternative implementation manner, an embodiment of the present invention provides a specific example of waking up a radio frequency module in a low power consumption mode, where the specific example is as follows: the determining that the type of the downlink data should be sent to the terminal device immediately includes:
the modem determines a quality of service requirement of the downstream data, determines that the type of the downstream data should be sent to the terminal device immediately if a delay of the quality of service requirement is below a predetermined threshold, and otherwise determines that the type of the downstream data does not need to be sent to the terminal device immediately.
In this embodiment, whether the radio frequency module in the low power consumption mode is immediately awakened or not is controlled by the service quality requirement of the downlink data, so that on one hand, the transmission requirement of the downlink data which is sensitive to the service quality and requires a higher requirement can be ensured, on the other hand, the processing quantity of the interrupt and the control of the working time of the radio frequency module are considered, and the electric energy is saved.
In an optional implementation manner, based on that downlink data does not need to be forwarded immediately, it is not necessary to immediately wake up the radio frequency module in the low power consumption mode, and the downlink data is cached, in which case the embodiment of the present invention further provides an implementation scheme that specifically under what kind of circumstances, the radio frequency module in the low power consumption mode can be woken up, as follows: and if the predetermined wake-up condition is satisfied, waking up the radio frequency module to make the radio frequency module forward the cached downlink data, including:
awakening the radio frequency module until the cached data amount reaches a first preset value, so that the radio frequency module forwards the cached downlink data;
or, when the cached data amount reaches a second predetermined value and the rate of receiving the data to be forwarded is higher than a predetermined value, waking up the radio frequency module to enable the radio frequency module to forward the cached downlink data;
or after the timer is overtime, the radio frequency module is awakened to enable the radio frequency module to forward the cached downlink data.
In this embodiment, the first predetermined value is greater than the second predetermined value; the first preset value is a threshold value used for judging whether the data volume is too much and needs to be forwarded out; the second predetermined value is a condition that it is determined that there is a certain data amount and the requirement for current data forwarding is relatively strong. In a third case, the timer is used for timing a low power consumption mode of the radio frequency module, and the timer is restarted each time the radio frequency module enters the low power consumption mode, where the entering of the radio frequency module into the low power consumption mode may be: the sending of the buffered downlink data may be sending the downlink data after being immediately awakened, or sending the buffered downlink data.
It should be noted that, in this embodiment, if the type of the downlink data meets the requirement of waking up the radio frequency module in the low power consumption mode, the radio frequency module is woken up; the rf module forwards the downlink data just received and the downlink data buffered before that. Therefore, the switching times of the working state of the radio frequency module can be reduced, the working efficiency of awakening the radio frequency module every time is improved, and the total interruption times are reduced.
In an optional implementation manner, since the modem receives the downlink data and knows the terminal device to be sent, in this case, the access device may assist the terminal device in performing information filtering, so as to improve the user experience of the terminal device, which is specifically as follows: before the modulating the downlink data and sending the modulated downlink data to the radio frequency module of the access device, the method further includes:
analyzing the downlink data, and discarding the downlink data when the downlink data meets the filtering condition; and executing the modulation of the downlink data and sending the downlink data to a radio frequency module of the access equipment under the condition that the downlink data does not meet the filtering condition.
In this embodiment, on one hand, the access device can help the terminal device perform information filtering, thereby improving the user experience of the terminal device; on the other hand, the data volume of downlink data which is unnecessarily forwarded is reduced, the power consumption waste can be reduced, and the frequency of interrupt processing can be reduced.
In an optional implementation manner, an embodiment of the present invention further provides a specific implementation scheme for filtering information at an access device side, where the specific implementation scheme is as follows: the determining that the downlink data satisfies the filtering condition includes:
and determining that the data type of the downlink data belongs to at least one of a spam short message, a data packet of broadcast data and advertisement traffic, or determining that the downlink data is from an internet protocol address of a blacklist of the terminal equipment.
In this embodiment, since the terminal device to which the downlink data is to be forwarded is already determined, if the terminal device sets a blacklist in the access device, the forwarding device may filter information, and save related data transmission and processing resources of the access device and the terminal device. It should be noted that, in the embodiment of the present invention, for filtering the downlink data, other rules may also be used to control information filtering, which is not limited in the embodiment of the present invention, and the above examples should not be understood as an exhaustive list of available information filtering.
In an optional implementation manner, the manner in which the modem wakes up the radio frequency module may be that the modem directly sends a wake-up instruction to the radio frequency module, or may be that the wake-up instruction is forwarded by the CPU, and based on this embodiment, the following solutions are provided: the waking up the radio frequency module to make the radio frequency module forward the buffered downlink data includes:
the modem sends a wake-up instruction to the radio frequency module through the communication connection between the modem and the radio frequency module, so that the radio frequency module is converted into a working mode from a low power consumption mode, and the radio frequency module forwards the cached downlink data under the working mode.
In this embodiment, there is a direct communication link between the modem and the rf module, and the direct communication link may be a bus or others; therefore, the modem and the radio frequency module are directly communicated without being processed by the CPU, so that the CPU is not required to be awakened completely, and the efficiency is higher.
The embodiment of the invention provides a method for implementing forwarding control of another access device, and if the method is shown in 2, the method comprises the following steps:
201. after receiving downlink messages sent to the terminal equipment, the access equipment determines the message type after demodulating by a modem;
202. determining whether the downstream message should be sent to the terminal device using a functional chip inside the modem;
the specific rule of whether the message should be sent to the terminal may be a filtering rule, and if the message needs to be filtered, the filtering rule may be directly deleted.
203. If the data is determined to be sent to the terminal equipment, the data can be reported to the processor first if the processor needs to perform data processing, or the data can be directly sent to the radio frequency unit and sent to the terminal equipment by the radio frequency unit if the data processing is not needed.
In two aspects, an embodiment of the present invention further provides an access device, as shown in fig. 3, including: a modem 300, said modem 300 comprising:
a data receiving unit 301, configured to receive downlink data sent to a terminal device;
a forwarding confirmation unit 302, configured to determine whether the type of the downlink data should be sent to the terminal device after demodulating the downlink data;
a forwarding control unit 303, configured to, after determining that the type of the downlink data should be sent to the terminal device, modulate the downlink data and send the downlink data to a radio frequency module of the access device, where the radio frequency module sends the modulated downlink data to the terminal device.
The access device refers to an access device in a wireless communication network, and the terminal device accesses the communication network through the access device. Therefore, the access device as a bridge between the terminal device and the communication network needs to forward a large amount of data, and the modem of the access device will receive a large amount of data that needs to be sent to the terminal device, and these data are called downlink data in the embodiment of the present invention.
The data type of the downlink data may be what type of data the downlink data belongs to, or may be what kind of data the downlink data needs to belong to; for example: QoS (Quality of Service) requirements, delay requirements, etc. of downlink data; for downlink data with higher requirement on service quality or lower delay, forwarding as soon as possible is needed; the radio frequency module can be immediately awakened to perform data forwarding.
By adopting the embodiment of the invention, after the modem receives the downlink data, the specific content of the downlink data can be obtained by modulation, and the modem controls the data forwarding function, so that the CPU is not required to be awakened and the interruption processing is not required to be executed due to data forwarding, the work of the CPU is deployed in hardware with an intelligent function, on one hand, the load balance is realized, on the other hand, the interruption of the CPU is reduced, the load of the CPU can be reduced, and the efficiency of the whole access equipment system is improved.
In an optional implementation manner, an implementation scheme of whether the data should be sent to the terminal device is further provided, it should be noted that except for a case that the data should be sent to the terminal device immediately in this embodiment, a case that the data does not need to be sent to the terminal device immediately may be downlink data that is not sensitive to delay, and may also be data that needs to be filtered out, so that the following example of the embodiment of the present invention is taken as an optional implementation scheme, and should not be understood as a unique limitation to the embodiment of the present invention, and specifically, the following example is as follows: the forwarding confirmation unit 302, configured to determine whether the type of the downlink data should be sent to the terminal device, includes:
determining whether the type of the downlink data should be immediately sent to the terminal device;
the modem further comprises:
a wake-up control unit 304, configured to wake up the radio frequency module in a low power consumption mode when determining that the type of the downlink data should be sent to the terminal device immediately;
and under the condition that the type of the downlink data is determined not to be sent to the terminal equipment immediately, caching the downlink data, and under the condition that a preset awakening condition is met, awakening the radio frequency module to enable the radio frequency module to forward the cached downlink data.
In this embodiment, the radio frequency module may be in a low power consumption mode by default, where the low power consumption mode is an abnormal operating mode and is a lower power consumption operating mode than a normal operating mode, and in this operating mode, the power consumption of the radio frequency module is lower, and accordingly, the heat generation amount is also lower. The low power mode may be a sleep state.
In this embodiment, the mode for the modem to wake up the rf module may be that the modem directly sends a wake-up command to the rf module, or may be that the wake-up command is forwarded by the CPU, depending on whether there is a link for direct communication between the modem and the rf module. The method can also be realized by controlling the power supply voltage of the power supply module to the radio frequency module. In addition, the predetermined wake-up condition may be: the periodic wake-up radio frequency module may also be a wake-up radio frequency module after a certain amount of data is reached by a cache, or may be a wake-up radio frequency module in any other manner, which is not limited in this embodiment.
In an alternative implementation manner, an embodiment of the present invention provides a specific example of waking up a radio frequency module in a low power consumption mode, where the specific example is as follows: the wake-up control unit 304, configured to determine that the type of the downlink data should be sent to the terminal device immediately, includes:
determining a quality of service requirement of the downlink data, and if a delay of the quality of service requirement is lower than a predetermined threshold, determining that the type of the downlink data should be sent to the terminal device immediately, otherwise determining that the type of the downlink data does not need to be sent to the terminal device immediately.
In this embodiment, whether the radio frequency module in the low power consumption mode is immediately awakened or not is controlled by the service quality requirement of the downlink data, so that on one hand, the transmission requirement of the downlink data which is sensitive to the service quality and requires a higher requirement can be ensured, on the other hand, the processing quantity of the interrupt and the control of the working time of the radio frequency module are considered, and the electric energy is saved.
In an optional implementation manner, based on that downlink data does not need to be forwarded immediately, it is not necessary to immediately wake up the radio frequency module in the low power consumption mode, and the downlink data is cached, in which case the embodiment of the present invention further provides an implementation scheme that specifically under what kind of circumstances, the radio frequency module in the low power consumption mode can be woken up, as follows: the wake-up control unit 304 is configured to wake up the radio frequency module until a predetermined wake-up condition is met, so that the forwarding of the buffered downlink data by the radio frequency module includes:
awakening the radio frequency module until the cached data amount reaches a first preset value, so that the radio frequency module forwards the cached downlink data;
or, when the cached data amount reaches a second predetermined value and the rate of receiving the data to be forwarded is higher than a predetermined value, waking up the radio frequency module to enable the radio frequency module to forward the cached downlink data;
or after the timer is overtime, the radio frequency module is awakened to enable the radio frequency module to forward the cached downlink data.
In this embodiment, the first predetermined value is greater than the second predetermined value; the first preset value is a threshold value used for judging whether the data volume is too much and needs to be forwarded out; the second predetermined value is a condition that it is determined that there is a certain data amount and the requirement for current data forwarding is relatively strong. In a third case, the timer is used for timing a low power consumption mode of the radio frequency module, and the timer is restarted each time the radio frequency module enters the low power consumption mode, where the entering of the radio frequency module into the low power consumption mode may be: the sending of the buffered downlink data may be sending the downlink data after being immediately awakened, or sending the buffered downlink data.
It should be noted that, in this embodiment, if the type of the downlink data meets the requirement of waking up the radio frequency module in the low power consumption mode, the radio frequency module is woken up; the rf module forwards the downlink data just received and the downlink data buffered before that. Therefore, the switching times of the working state of the radio frequency module can be reduced, the working efficiency of awakening the radio frequency module every time is improved, and the total interruption times are reduced.
In an optional implementation manner, since the modem receives the downlink data and knows the terminal device to be sent, in this case, the access device may assist the terminal device in performing information filtering, so as to improve the user experience of the terminal device, which is specifically as follows: the modem further comprises:
a filtering control unit 305, configured to, before modulating the downlink data and sending the modulated downlink data to a radio frequency module of the access device, analyze the downlink data, and discard the downlink data when determining that the downlink data meets a filtering condition;
the forwarding control unit 303 is configured to, when determining that the downlink data does not satisfy the filtering condition, execute the modulation on the downlink data and send the modulated downlink data to the radio frequency module of the access device.
In this embodiment, on one hand, the access device can help the terminal device perform information filtering, thereby improving the user experience of the terminal device; on the other hand, the data volume of downlink data which is unnecessarily forwarded is reduced, the power consumption waste can be reduced, and the frequency of interrupt processing can be reduced.
In an optional implementation manner, an embodiment of the present invention further provides a specific implementation scheme for filtering information at an access device side, where the specific implementation scheme is as follows: the filtering control unit 305, configured to determine that the downlink data satisfies the filtering condition, includes:
and determining that the data type of the downlink data belongs to at least one of a spam short message, a data packet of broadcast data and advertisement traffic, or determining that the downlink data is from an internet protocol address of a blacklist of the terminal equipment.
In this embodiment, since the terminal device to which the downlink data is to be forwarded is already determined, if the terminal device sets a blacklist in the access device, the forwarding device may filter information, and save related data transmission and processing resources of the access device and the terminal device. It should be noted that, in the embodiment of the present invention, for filtering the downlink data, other rules may also be used to control information filtering, which is not limited in the embodiment of the present invention, and the above examples should not be understood as an exhaustive list of available information filtering.
In an optional implementation manner, the manner in which the modem wakes up the radio frequency module may be that the modem directly sends a wake-up instruction to the radio frequency module, or may be that the wake-up instruction is forwarded by the CPU, and based on this embodiment, the following solutions are provided: the wake-up control unit 304 is configured to wake up the radio frequency module so that the forwarding of the buffered downlink data by the radio frequency module includes:
the modem sends a wake-up instruction to the radio frequency module through the communication connection between the modem and the radio frequency module, so that the radio frequency module is converted into a working mode from a low power consumption mode, and the radio frequency module forwards the cached downlink data under the working mode.
In this embodiment, there is a direct communication link between the modem and the rf module, and the direct communication link may be a bus or others; therefore, the modem and the radio frequency module are directly communicated without being processed by the CPU, so that the CPU is not required to be awakened completely, and the efficiency is higher.
Embodiments of the present invention in three aspects also provide another access device, as shown in fig. 4, including: a modem 401, a radio frequency module 402, a processor 403, and a memory 403; the hardware modules can adopt a bus to establish communication connection;
the modem 401 is configured to receive downlink data sent to the terminal device; after demodulating the downlink data, determining whether the type of the downlink data should be sent to the terminal equipment; and after determining that the type of the downlink data should be sent to the terminal equipment, modulating the downlink data and sending the downlink data to a radio frequency module of the access equipment, wherein the modulated downlink data is sent to the terminal equipment by the radio frequency module.
Optionally, the modem 401 is configured to determine whether the type of the downlink data should be sent to the terminal device, and includes:
determining whether the type of the downlink data should be immediately sent to the terminal device; the method further comprises the following steps:
waking up the radio frequency module in a low power consumption mode in a case where it is determined that the type of the downlink data should be immediately transmitted to the terminal device;
and under the condition that the type of the downlink data is determined not to be sent to the terminal equipment immediately, caching the downlink data, and under the condition that a preset awakening condition is met, awakening the radio frequency module to enable the radio frequency module to forward the cached downlink data.
Optionally, the modem 401 is configured to determine that the type of the downstream data should be sent to the terminal device immediately, including:
determining a quality of service requirement of the downlink data, and if a delay of the quality of service requirement is lower than a predetermined threshold, determining that the type of the downlink data should be sent to the terminal device immediately, otherwise determining that the type of the downlink data does not need to be sent to the terminal device immediately.
Optionally, the modem 401 is configured to wake up the radio frequency module until a predetermined wake-up condition is met, so that the forwarding of the buffered downlink data by the radio frequency module includes:
awakening the radio frequency module until the cached data amount reaches a first preset value, so that the radio frequency module forwards the cached downlink data;
or, when the cached data amount reaches a second predetermined value and the rate of receiving the data to be forwarded is higher than a predetermined value, waking up the radio frequency module to enable the radio frequency module to forward the cached downlink data;
or after the timer is overtime, the radio frequency module is awakened to enable the radio frequency module to forward the cached downlink data.
Further, the modem 401 is further configured to, before modulating the downlink data and sending the modulated downlink data to the radio frequency module of the access device, analyze the downlink data, and discard the downlink data when determining that the downlink data meets a filtering condition; and executing the modulation of the downlink data and sending the downlink data to a radio frequency module of the access equipment under the condition that the downlink data does not meet the filtering condition.
Optionally, the modem 401 is configured to determine that the condition that the downstream data meets the filtering condition includes:
and determining that the data type of the downlink data belongs to at least one of a spam short message, a data packet of broadcast data and advertisement traffic, or determining that the downlink data is from an internet protocol address of a blacklist of the terminal equipment.
Optionally, the modem 401 is configured to wake up the radio frequency module to enable the radio frequency module to forward the buffered downlink data, where the downlink data includes:
and sending a wake-up instruction to the radio frequency module through the communication connection between the modem and the radio frequency module, so that the radio frequency module is converted into a working mode from a low power consumption mode, and the radio frequency module forwards the cached downlink data under the working mode.
It should be noted that, in the foregoing embodiment of the access device, some of the units included in the access device are only divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it is understood by those skilled in the art that all or part of the steps in the above method embodiments may be implemented by related hardware, and the corresponding program may be stored in a computer readable storage medium, where the above mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the embodiment of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. A forwarding control method, comprising:
a modem of the access equipment receives downlink data sent to the terminal equipment;
after demodulating the downlink data, the modem determines whether the type of the downlink data should be sent to the terminal device;
after determining that the type of the downlink data should be sent to the terminal device, modulating the downlink data and sending the downlink data to a radio frequency module of the access device, wherein the radio frequency module sends the modulated downlink data to the terminal device;
under the condition that the type of the downlink data is determined not to be sent to the terminal equipment immediately, the downlink data is cached, and the radio frequency module is awakened to enable the radio frequency module to forward the cached downlink data under the condition that a preset awakening condition is met;
the waking up the radio frequency module to make the radio frequency module forward the cached downlink data includes:
the modem sends a wake-up instruction to the radio frequency module through the communication connection between the modem and the radio frequency module, so that the radio frequency module is converted into a working mode from a low power consumption mode, and the radio frequency module forwards the cached downlink data in the working mode.
2. The method of claim 1, wherein the determining whether the type of the downlink data should be sent to the terminal device comprises:
determining whether the type of the downlink data should be immediately sent to the terminal device; the method further comprises the following steps:
waking up the radio frequency module in a low power consumption mode under the condition that the type of the downlink data is determined to be sent to the terminal equipment immediately;
and under the condition that the type of the downlink data is determined not to be sent to the terminal equipment immediately, caching the downlink data, and under the condition that a preset awakening condition is met, awakening the radio frequency module to enable the radio frequency module to forward the cached downlink data.
3. The method of claim 2, wherein the determining that the type of the downlink data should be sent to the terminal device immediately comprises:
the modem determines a quality of service requirement of the downlink data, determines that the type of the downlink data should be sent to the terminal device immediately if a delay of the quality of service requirement is lower than a predetermined threshold, and otherwise determines that the type of the downlink data does not need to be sent to the terminal device immediately.
4. The method of claim 2, wherein waking up the radio frequency module until a predetermined wake-up condition is met to cause the radio frequency module to forward the buffered downlink data comprises:
awakening the radio frequency module until the cached data amount reaches a first preset value, so that the radio frequency module forwards the cached downlink data;
or, when the cached data amount reaches a second predetermined value and the rate of receiving the data to be forwarded is higher than a predetermined value, waking up the radio frequency module to enable the radio frequency module to forward the cached downlink data;
or after the timer is overtime, the radio frequency module is awakened to enable the radio frequency module to forward the cached downlink data.
5. The method of any one of claims 1 to 4, wherein before the modulating the downlink data and sending to the radio frequency module of the access device, the method further comprises:
analyzing the downlink data, and discarding the downlink data under the condition that the downlink data meets the filtering condition; and executing the modulation of the downlink data and sending the downlink data to a radio frequency module of the access equipment under the condition that the downlink data does not meet the filtering condition.
6. The method of claim 5, wherein the determining that the downstream data satisfies a filtering condition comprises:
and determining that the data type of the downlink data belongs to at least one of a spam short message, a data packet of broadcast data and advertisement traffic, or determining that the downlink data is from an internet protocol address of a blacklist of the terminal equipment.
7. An access device, comprising: a modem, characterized in that the modem comprises:
a data receiving unit, configured to receive downlink data sent to a terminal device;
a forwarding confirmation unit, configured to determine whether the type of the downlink data should be sent to the terminal device after demodulating the downlink data;
a forwarding control unit, configured to modulate the downlink data and send the downlink data to a radio frequency module of the access device after determining that the type of the downlink data should be sent to the terminal device, where the radio frequency module sends the modulated downlink data to the terminal device;
the wake-up control unit is used for caching the downlink data under the condition that the type of the downlink data is determined not to be sent to the terminal equipment immediately, and waking up the radio frequency module to enable the radio frequency module to forward the cached downlink data under the condition that a preset wake-up condition is met;
the wake-up control unit is configured to wake up the radio frequency module so that the forwarding of the buffered downlink data by the radio frequency module includes:
the modem sends a wake-up instruction to the radio frequency module through the communication connection between the modem and the radio frequency module, so that the radio frequency module is converted into a working mode from a low power consumption mode, and the radio frequency module forwards the cached downlink data in the working mode.
8. The access device of claim 7, wherein the forwarding confirmation unit, configured to determine whether the type of the downlink data should be sent to the terminal device, comprises:
determining whether the type of the downlink data should be immediately sent to the terminal device;
the wake-up control unit is configured to wake up the radio frequency module in a low power consumption mode when determining that the type of the downlink data should be immediately sent to the terminal device;
and under the condition that the type of the downlink data is determined not to be sent to the terminal equipment immediately, caching the downlink data, and under the condition that a preset awakening condition is met, awakening the radio frequency module to enable the radio frequency module to forward the cached downlink data.
9. The access device of claim 8, wherein the wake-up control unit, configured to determine that the type of the downlink data should be sent to the terminal device immediately, comprises:
determining a service quality requirement of the downlink data, if a delay of the service quality requirement is lower than a predetermined threshold, determining that the type of the downlink data should be sent to the terminal device immediately, otherwise determining that the type of the downlink data does not need to be sent to the terminal device immediately.
10. The access device of claim 8, wherein the wake-up control unit, configured to wake up the radio frequency module to enable the radio frequency module to forward the buffered downlink data until a predetermined wake-up condition is met, includes:
awakening the radio frequency module until the cached data amount reaches a first preset value, so that the radio frequency module forwards the cached downlink data;
or, when the cached data amount reaches a second predetermined value and the rate of receiving the data to be forwarded is higher than a predetermined value, waking up the radio frequency module to enable the radio frequency module to forward the cached downlink data;
or after the timer is overtime, the radio frequency module is awakened to enable the radio frequency module to forward the cached downlink data.
11. The access device of any of claims 7-10, wherein the modem further comprises:
a filtering control unit, configured to, before modulating the downlink data and sending the modulated downlink data to a radio frequency module of the access device, analyze the downlink data, and discard the downlink data when determining that the downlink data meets a filtering condition;
and the forwarding control unit is configured to execute the modulation on the downlink data and send the modulated downlink data to the radio frequency module of the access device when it is determined that the downlink data does not satisfy the filtering condition.
12. The access device of claim 11, wherein the filtering control unit, configured to determine that the downlink data meets a filtering condition, comprises:
and determining that the data type of the downlink data belongs to at least one of a spam short message, a data packet of broadcast data and advertisement traffic, or determining that the downlink data is from an internet protocol address of a blacklist of the terminal equipment.
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| CN104023379B (en) * | 2013-03-01 | 2017-11-17 | 华为终端有限公司 | A kind of data transmission method and data forwarding device |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. |
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