CN115001568A - Low-power-consumption complete machine linkage control system and method for satellite mobile communication portable station - Google Patents
Low-power-consumption complete machine linkage control system and method for satellite mobile communication portable station Download PDFInfo
- Publication number
- CN115001568A CN115001568A CN202210921454.7A CN202210921454A CN115001568A CN 115001568 A CN115001568 A CN 115001568A CN 202210921454 A CN202210921454 A CN 202210921454A CN 115001568 A CN115001568 A CN 115001568A
- Authority
- CN
- China
- Prior art keywords
- processing unit
- sleep
- baseband processing
- control board
- main control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18569—Arrangements for system physical machines management, i.e. for construction operations control, administration, maintenance
- H04B7/18571—Arrangements for system physical machines management, i.e. for construction operations control, administration, maintenance for satellites; for fixed or mobile stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18569—Arrangements for system physical machines management, i.e. for construction operations control, administration, maintenance
- H04B7/18573—Arrangements for system physical machines management, i.e. for construction operations control, administration, maintenance for operations control, administration or maintenance
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a low-power consumption complete machine linkage control system and a method of a satellite mobile communication portable station, wherein the system comprises a main control board, a baseband processing unit, a power amplifier and an antenna unit, and the method comprises the following steps: the master control board carries out data interaction with the baseband processing unit through the multiplexing port, the master control board is provided with a linkage control unit, and the linkage control unit establishes a sleep awakening strategy for sleep awakening control between the master control board and the baseband processing unit; the power amplifier and antenna unit comprises an antenna front end consisting of a power amplifier unit, a low-noise amplifier unit and an antenna, and a wire harness is adopted between the antenna front end and the main control board for transmitting radio frequency signals and control signals and supplying power to a power supply; the base band processing unit is additionally provided with a receiving and sending control enabling signal, the power amplifier is additionally provided with a switch enabling control signal, a single chip microcomputer is respectively arranged on the main control board side and the antenna side, and the antenna switch control work is carried out according to the duty ratio according to the working state of the base band processing unit.
Description
Technical Field
The invention relates to the technical field of satellite mobile communication, in particular to a low-power-consumption complete machine linkage control system and method for a satellite mobile communication portable station.
Background
The satellite mobile communication portable station can provide voice, fax, data, short message, video and other services, and needs to have broadband communication capability, the EIRP value is not lower than 20dBw, and the G/T value is not lower than-16 dB/K. The antenna panel is convenient to carry and consider, the antenna panel is not suitable to be designed to be overlarge, and in order to ensure the EIRP value and the G/T value, a high-power amplifier and a low-noise amplifier are needed to ensure the receiving and transmitting indexes and the broadband communication capacity. In the design of a portable station, the volume is limited, the lithium polymer ion battery which is convenient to carry is usually not higher than 6000mAh, the working power consumption and the standby power consumption of the battery are important indexes for ensuring the work of the whole machine, and the working capacity of the portable terminal in the field is directly related. The portable station power amplifier is an important transceiving component of a communication front end, the maximum transmitting power needs to exceed 10W, so that in order to ensure the normal work of a machine, a portable terminal selects a 20W power amplifier, and the power amplifier becomes the most main energy consumption component of the portable terminal, so that the reduction of the working power consumption and the standby power consumption of the power amplifier has very important significance for controlling the low power consumption of the whole machine.
At present, in daily use of a satellite mobile communication ground portable station and a piggyback station, in order to ensure the requirements of communication speed and bandwidth, a receiving and transmitting channel is kept normally open, transmitting power is pushed to the range of the upper limit of the capacity, and open-loop and closed-loop power control is combined to reduce the transmitting power of a power amplifier, so that the power consumption of the whole machine is reduced. However, the above-described situation is optimized only for low power consumption in different beam communication states, and the low power consumption target of the satellite mobile communication portable station in all-weather use states such as standby and alternate service transmission and reception in a fixed beam cannot be achieved, so that it is difficult to satisfy the standby time for field use without charging.
Disclosure of Invention
The invention aims to provide a low-power-consumption complete machine linkage control system and a method of a satellite mobile communication portable station.
The technical solution for realizing the purpose of the invention is as follows: the utility model provides a low-power consumption complete machine coordinated control system of portable station of satellite mobile communication, includes main control board, baseband processing unit, power amplifier and antenna element, wherein:
the main control board carries out data interaction with the baseband processing unit through the multiplexing port, the main control board is provided with a linkage control unit, and the linkage control unit establishes a sleep awakening strategy for sleep awakening control between the main control board and the baseband processing unit;
the power amplifier and antenna unit comprises a power amplifier unit, a low-noise amplifier unit and an antenna, the three parts form an antenna front end, and a wire harness is adopted between the antenna front end and the main control board to transmit radio frequency signals, control signals and supply power;
the base band processing unit is additionally provided with a receiving and sending control enabling signal, the power amplifier is additionally provided with a switch enabling control signal, meanwhile, a first single chip microcomputer is arranged on the side of the main control panel, a second single chip microcomputer is arranged on the side of the antenna, the two single chip microcomputers are used for monitoring the working state of satellite mobile communication, and the antenna switching control work is carried out according to the duty ratio and the working state of the base band processing unit.
A low-power consumption complete machine linkage control method of a satellite mobile communication portable station comprises the following specific steps:
the master control board carries out data interaction with the baseband processing unit through the multiplexing port, the master control board is provided with a linkage control unit, and the linkage control unit establishes a sleep awakening strategy for sleep awakening control between the master control board and the baseband processing unit;
the power amplifier and antenna unit comprises a power amplifier unit, a low-noise amplifier unit and an antenna, the three parts form an antenna front end, and a wire harness is adopted between the antenna front end and the main control board to transmit radio frequency signals, control signals and supply power;
the base band processing unit is additionally provided with a receiving and sending control enabling signal, the power amplifier is additionally provided with a switch enabling control signal, the main control board side is provided with a first single chip microcomputer, the antenna side is provided with a second single chip microcomputer, the two single chip microcomputers are used for monitoring the working state of satellite mobile communication, and the antenna switch control work is carried out according to the duty ratio according to the working state of the base band processing unit.
Compared with the prior art, the invention has the remarkable advantages that:
(1) under the same condition, the satellite mobile communication portable station does not influence the paging receiving capability, the problem that the called party cannot be paged does not exist, and the online of the portable station can be effectively ensured; the timing synchronization capability of the satellite mobile communication portable station is not influenced, and the problems of influencing signal quality, losing signals or failing to search satellites do not exist;
(2) the satellite mobile communication portable station is applied to a TDMA satellite communication system, the power consumption in a standby state can be brought into the best state, a deep sleep and a light sleep are combined by using a main control board, a baseband processing unit and a separated architecture design of an externally-hung high-power radio frequency, and the power consumption of the whole satellite mobile communication portable station is obviously reduced through continuous testing and verification under satellite spot beam online;
(3) based on the working state of the satellite mobile communication terminal baseband processing unit, the radio frequency front end and peripheral equipment are dynamically adjusted to drive the whole machine to perform linkage control to reduce power consumption, so that the satellite mobile communication portable station is more flexibly used in standby and working states, and has strong cruising ability.
Drawings
FIG. 1 is a hardware architecture diagram of a satellite mobile communication portable station.
Fig. 2 is a flow chart of the main control board initiating control and data communication.
Fig. 3 is a flow chart of the baseband processing unit initiating control and data communications.
Fig. 4 is a diagram of the relationship between the main control board and the rf control.
Detailed Description
The invention relates to a low-power consumption complete machine linkage control system of a satellite mobile communication portable station, which comprises a main control board, a baseband processing unit, a power amplifier and an antenna unit, wherein:
the main control board carries out data interaction with the baseband processing unit through the multiplexing port, the main control board is provided with a linkage control unit, and the linkage control unit establishes a sleep awakening strategy for sleep awakening control between the main control board and the baseband processing unit;
the power amplifier and antenna unit comprises a power amplifier unit, a low-noise amplifier unit and an antenna, the three parts form an antenna front end, and a wire harness is adopted between the antenna front end and the main control board to transmit radio frequency signals, control signals and supply power;
the base band processing unit is additionally provided with a receiving and sending control enabling signal, the power amplifier is additionally provided with a switch enabling control signal, meanwhile, a first single chip microcomputer is arranged on the side of the main control panel, a second single chip microcomputer is arranged on the side of the antenna, the two single chip microcomputers are used for monitoring the working state of satellite mobile communication, and the antenna switching control work is carried out according to the duty ratio and the working state of the base band processing unit.
As a specific example, the sleep wake-up policy includes a sleep wake-up policy from the main control board to the baseband processing unit, and a sleep wake-up policy from the baseband processing unit to the main control board, and control processes of the two policies are the same, where the sleep wake-up policy from the main control board to the baseband processing unit is specifically as follows:
the following signals are defined:
AP2CP _ WAKEUP, the falling edge is valid by applying a signal used by the processor wake-up module;
CP2AP _ WAKEUP, module wake up signal used by application processor, falling edge is valid;
AP2CP _ SLEEP, application processor SLEEP state indicator signal, high indicating that the application processor is in SLEEP state;
CP2AP _ SLEEP, module SLEEP state indicator signal, high level indicating that the module is in SLEEP state;
(1) when the main control board detects that no data is sent on the port, the main control board informs the baseband processing unit host to enter a SLEEP state by setting AP2CP _ SLEEP to be high, and meanwhile, CP2AP _ WAKEUP falling edge interrupt enabling is set;
the baseband processing unit determines whether to enter a sleep state according to the actual situation of the baseband processing unit; before entering the SLEEP state, the baseband processing unit sets the CP2AP _ SLEEP high and enables the AP2CP _ WAKEUP interrupt; likewise, when the baseband processing unit wakes up from SLEEP, CP2AP _ SLEEP is set low;
(2) the main control board sends data to the baseband processing unit: when the main control board has data to send, firstly waking up the baseband processing unit, and firstly detecting the CP2AP _ SLEEP of the baseband processing unit by the main control board;
if the CP2AP _ SLEEP is high, it indicates that the baseband processing unit has slept, the main control board wakes up the baseband processing unit by generating a falling edge on the AP2CP _ wake, the baseband processing unit wakes up at the falling edge of the AP2CP _ wake, and sets CP2AP _ SLEEP to low level, which indicates that the baseband processing unit has woken up, and enters a read-write operation waiting state, and the main control board starts to send data after detecting that the baseband processing unit wakes up through the low level of CP2AP _ SLEEP;
(3) the baseband processing unit sends data to the main control board: when incoming call information is reported, the baseband processing unit is awakened through paging, writes are called, and the master control board is informed of events; in the write operation, it is first detected whether AP2CP _ SLEEP is low;
if the AP2CP _ SLEEP is detected to be low level, directly performing the write operation; if the high level is detected, firstly waking up the main control board through the falling edge of CP2AP _ WAKEUP; after the main control board receives the interruption of the CP2AP _ WAKEUP falling edge, firstly setting the AP2CP _ SLEEP to be low level to indicate that the main control board is awakened from SLEEP; after detecting that the AP2CP _ SLEEP is at a low level, the baseband processing unit starts to transmit data; after that, the main control board and the baseband processing unit restore the working state.
As a specific example, a wire harness is used between the front end of the antenna and the main control board to transmit radio frequency signals, control signals, and power supply, and the specific examples are as follows:
the direct current is supplied by a power supply, the radio frequency signals are 3 paths in a 2MHz frequency band based on control signals, the combination and the shunt are carried out at the front ends of the main control board and the antenna, firstly, the radio frequency signals are combined into one path by the main control board through a triplexer, then, the radio frequency signals and the power supply and control signals are combined into one path, the path is transmitted to the front end of the antenna through a transmission cable, and the same combination and shunt architecture is adopted at the front end of the antenna to realize the control of the main control board on the front end of the antenna.
As a specific example, the radio frequency signals include radio frequency TX signals, radio frequency RX signals, GPS/beidou radio frequency RX signals;
the control signal is used for realizing the control of the main control panel on the antenna, and comprises a power amplification unit for opening the antenna by using an external PA enabling control signal CP2RF _ TT1_ PA _ EN, a low noise amplification unit for opening the antenna by using an external LNA enabling control signal CP2RF _ TT1_ LNA _ EN, and a setting control instruction and parameters.
As a specific example, the first single chip detects the operating state of the baseband processing unit, and then sends the monitored level state to the second single chip on the antenna side, and the second single chip controls the power amplifier transceiving channel, so that the first single chip and the second single chip are in a normal operating state, and other functional devices are in a dormant state in a non-operating state.
As a specific example, the main control board obtains the operating conditions of the baseband processing unit according to a defined state monitoring command and a sleep wakeup strategy, including the operating frequency, signal quality, satellite spot-beam information, idle/operating state, and DRX state of the current baseband processing unit;
the state monitoring command is as follows: RSSI: v1, v2, B: v3, v4, T: v5, v6, v7, v8, v 9;
the parameters have the following meanings: v 1: received signal strength indication, v 2: received signal-to-noise ratio, v 3: the channel number of the portable station terminal is located at present, the broadcast channel number is displayed when the portable station terminal is idle, the service channel number is displayed when the portable station terminal does service, and v 4: the beam number of the satellite where the portable station terminal currently resides is divided according to the geographical position, v 5: current RRC layer state of the baseband processing unit, v 6: current MM layer state of baseband processing unit, v 7: current GMM layer state of the baseband processing unit, v 8: current L1 state of baseband processing unit, v 9: currently receiving a broadcast condition; wherein, rssi (received Signal Strength indicator) represents the Strength indication of the received Signal, B represents the beam characteristic, and T represents the state characteristic;
the calculated signal strength is: 167+ v1 × 3, unit dBm, value range of v1 is 0-32; the value range of v2 is 0-255, v1 and v2 are respectively represented by 1 byte, the terminal selects a beam according to the signal intensity calculated by v1, whether the beam is usable is judged according to the signal quality calculated by v2, the lower 3 bits of v1 valid bit are all 1, the signal intensity meets the basic condition of residence, the lower 3 bits of v2 valid bit are all 1, the working condition of the current signal-to-noise ratio 7db is adopted, the main control board calculates and judges the signal quality according to the mask represented by val = v1& v2, the lower 3 bits are all 1, whether the current satellite beam is used is judged, if the satellite beam is not used, the baseband processing unit is awakened, and satellite searching and radio frequency channel opening are carried out;
whether the current resident or working frequency is effective or not, whether the satellite beam number can be obtained or not, whether the current satellite beam is used or not can be judged, whether the baseband processing unit is awakened or not is judged according to mask calculation represented by val = v3& v4, and the spot beam is switched and re-accessed to the network is judged;
v5, v6, v7 and v8 are low by 3 bits and are used for representing a connection state, an idle state and a DRX state of each layer, the current working condition of the baseband processing unit is judged according to mask calculation represented by val = v5& v6& v7& v8, all the baseband processing unit must enter the DRX state, and the switch of the radio frequency channel is enabled to be effective;
according to v9, the main control board enables the discontinuous receiving state of the whole machine, and the discontinuous receiving state is the boundary between deep sleep and light sleep of the whole machine.
As a specific example, the main control board adjusts the on-off state of the peripheral device in real time, and meanwhile, the number of awakening times is reduced according to the prejudgement of the gravity sensor;
the main control board records a trigger event according to the use conditions of the gravity sensor, the peripheral keys and the touch screen, the trigger event is a time stamp T0 used by the portable station at this time, the current working time is T1, the T1 is maintained by a local TBU unit through a SimpleClock in the standby deep sleep and light sleep processes, the SimpleClock is the final time sequence output of the TBU, and the normal local time sequence can be ensured under the deep sleep condition; each time slice which is changed constantly is 5ms, Td = T1-T0, when SimpleClock wakes up each time and the calculated Td is more than 60 seconds, the fact that no artificial trigger is used is judged, and the triggering condition for entering standby deep sleep is provided;
the threshold value of Td is 10 seconds and 60 seconds, the main control board detects that the baseband processing unit enters an idle state, the standby sleep counter in the interrupt processing function of SimpleClock starts to accumulate, the accumulated value exceeds 2000, the SimpleClock enters a light sleep state of sleep, the accumulated value exceeds 12000, the SimpleClock enters a deep sleep state from the light sleep, the main control board only detects CP2AP _ WAKEUP, CP2RF _ TT1_ PA _ EN and CP2RF _ TT1_ LNA _ EN signals, and under the condition of no trigger signal, the main control board controls the radio frequency power off.
The invention relates to a low-power consumption complete machine linkage control method of a satellite mobile communication portable station, which comprises the following steps:
the master control board carries out data interaction with the baseband processing unit through the multiplexing port, the master control board is provided with a linkage control unit, and the linkage control unit establishes a sleep awakening strategy for sleep awakening control between the master control board and the baseband processing unit;
the power amplifier and antenna unit comprises a power amplifier unit, a low-noise amplifier unit and an antenna, the three parts form an antenna front end, and a wire harness is adopted between the antenna front end and the main control board to transmit radio frequency signals, control signals and supply power;
the base band processing unit is additionally provided with a receiving and sending control enabling signal, the power amplifier is additionally provided with a switch enabling control signal, the main control board side is provided with a first single chip microcomputer, the antenna side is provided with a second single chip microcomputer, the two single chip microcomputers are used for monitoring the working state of satellite mobile communication, and the antenna switch control work is carried out according to the duty ratio according to the working state of the base band processing unit.
As a specific example, the sleep wake-up policy includes a sleep wake-up policy from the main control board to the baseband processing unit, and a sleep wake-up policy from the baseband processing unit to the main control board, and control processes of the two policies are the same, where the sleep wake-up policy from the main control board to the baseband processing unit is specifically as follows:
the following signals are defined:
AP2CP _ WAKEUP, the falling edge is valid by applying a signal used by the processor wake-up module;
CP2AP _ WAKEUP, module wake up signal used by application processor, falling edge is valid;
AP2CP _ SLEEP, application processor SLEEP state indicator signal, high indicating that the application processor is in SLEEP state;
CP2AP _ SLEEP, module SLEEP state indicator signal, high level indicating that the module is in SLEEP state;
(1) when the main control board detects that no data is sent on the port, the main control board informs the baseband processing unit host to enter a SLEEP state by setting AP2CP _ SLEEP high, and meanwhile, CP2AP _ WAKEUP falling edge interrupt enabling is set;
the baseband processing unit determines whether to enter a sleep state according to the actual situation of the baseband processing unit; before entering the SLEEP state, the baseband processing unit sets the CP2AP _ SLEEP high and enables the AP2CP _ WAKEUP interrupt; likewise, when the baseband processing unit wakes up from SLEEP, CP2AP _ SLEEP is set low;
(2) the main control board sends data to the baseband processing unit: when the main control board has data to send, firstly waking up the baseband processing unit, and firstly detecting the CP2AP _ SLEEP of the baseband processing unit by the main control board;
if the CP2AP _ SLEEP is high, which indicates that the baseband processing unit has slept, the main control board wakes up the baseband processing unit by generating a falling edge on the AP2CP _ wake, the baseband processing unit wakes up the AP2CP _ wake at the falling edge, and sets the CP2AP _ SLEEP to a low level, which indicates that the baseband processing unit has woken up, enters a wait state for read/write operations, and starts to send data after the main control board detects that the baseband processing unit wakes up through the low level of the CP2AP _ SLEEP;
(3) the baseband processing unit sends data to the main control board: when incoming call information is reported, the baseband processing unit is awakened through paging, writes are called, and the master control board is informed of events; in the write operation, it is first detected whether AP2CP _ SLEEP is low;
if the AP2CP _ SLEEP is detected to be low level, directly performing the write operation; if the high level is detected, firstly waking up the main control board through the falling edge of CP2AP _ WAKEUP; after the main control board receives the CP2AP _ wake down edge interrupt, first set the AP2CP _ SLEEP to a low level to indicate that the main control board has awakened from SLEEP; after detecting that the AP2CP _ SLEEP is in a low level, the baseband processing unit starts to send data; and then, the main control board and the baseband processing unit recover the working state.
As a specific example, in the method for controlling the low power consumption complete machine linkage of the satellite mobile communication portable station, the main control board further includes the following functions:
(1) the main control board obtains the working condition of the baseband processing unit according to the defined state monitoring command and the sleep awakening strategy, wherein the working condition comprises the working frequency, the signal quality, the satellite spot beam information, the idle/working state and the DRX state of the current baseband processing unit, and the working condition comprises the following specific steps:
the state monitoring command is as follows: RSSI: v1, v2, B: v3, v4, T: v5, v6, v7, v8, v 9;
the parameters have the following meanings: v 1: received signal strength indication, v 2: received signal-to-noise ratio, v 3: the channel number of the portable station terminal is located at present, the broadcast channel number is displayed when the portable station terminal is idle, the service channel number is displayed when the portable station terminal does service, and v 4: the beam number of the satellite where the portable station terminal currently resides is divided according to the geographical position, v 5: current RRC layer state of the baseband processing unit, v 6: current MM layer state of baseband processing unit, v 7: current GMM layer state of the baseband processing unit, v 8: current L1 state of baseband processing unit, v 9: currently receiving a broadcast condition; wherein, rssi (received Signal Strength indicator) represents the Strength indication of the received Signal, B represents the beam characteristic, and T represents the state characteristic;
the calculated signal strength is: 167+ v1 × 3, unit dBm, value range of v1 is 0-32; the value range of v2 is 0-255, v1 and v2 are respectively represented by 1 byte, the terminal calculates the signal intensity according to v1 to select a beam, whether the beam is available is judged according to the signal quality calculated by v2, the lower 3 bits of v1 valid bits are all 1, the signal intensity meets the basic condition of residence, the lower 3 bits of v2 valid bits are all 1, the working condition is the current signal-to-noise ratio 7db, the main control board calculates and judges the signal quality according to masks represented by val = v1& v2, the lower 3 bits are all 1, whether the current satellite beam meets the use is judged, if not, the baseband processing unit is awakened, and satellite searching and radio frequency channel opening are carried out;
whether the current resident or working frequency is effective or not, whether the satellite beam number can be obtained or not, whether the current satellite beam is used or not can be judged, whether the baseband processing unit is awakened or not is judged according to mask calculation represented by val = v3& v4, and the spot beam is switched and re-accessed to the network is judged;
v5, v6, v7 and v8 have 3 bits low, which are used for representing the connection state, idle state and DRX state of each layer, and the current working condition of the baseband processing unit is judged according to mask calculation represented by val = v5& v6& v7& v8, all the baseband processing unit must enter the DRX state, and the switch of the radio frequency channel is enabled to be effective;
according to v9, the main control board enables the discontinuous receiving state of the whole machine, and the discontinuous receiving state is the boundary between deep sleep and light sleep of the whole machine.
(2) The main control board adjusts the on-off state of the peripheral equipment in real time, and meanwhile, the awakening times are reduced according to the prejudgement of the gravity sensor, and the method comprises the following steps:
the main control board records a trigger event according to the use conditions of the gravity sensor, the peripheral keys and the touch screen, the trigger event is a time stamp T0 used by the portable station at this time, the current working time is T1, the T1 is maintained by a local TBU unit through a SimpleClock in the standby deep sleep and light sleep processes, the SimpleClock is the final time sequence output of the TBU, and the normal local time sequence can be ensured under the deep sleep condition; each time slice which is changed constantly is 5ms, Td = T1-T0, when SimpleClock wakes up each time and the calculated Td is more than 60 seconds, the fact that no artificial trigger is used is judged, and the triggering condition for entering standby deep sleep is provided;
the threshold value of Td is 10 seconds and 60 seconds, the main control board detects that the baseband processing unit enters an idle state, a standby sleep counter in an interrupt processing function of SimpleClock starts to accumulate, an accumulated value exceeds 2000, the SimpleClock enters a light sleep state of sleep, the accumulated value exceeds 12000, the SimpleClock enters a deep sleep state, the main control board only detects signals of CP2AP _ WAKEUP, CP2RF _ TT1_ PA _ EN and CP2RF _ TT1_ LNA _ EN, and under the condition of no trigger signal, the main control board controls radio frequency power off.
The invention will now be further described with reference to the following examples and figures/tables.
Examples
The embodiment of the invention provides a low-power-consumption complete machine linkage control system and a method of a satellite mobile communication portable station.
The low-power consumption complete machine linkage control method of the satellite mobile communication portable station specifically comprises the following steps:
s1, in the main control unit (main control board) of the satellite mobile communication portable station, the state data acquisition, the enable control signal detection and the linkage control unit of the satellite mobile communication terminal baseband processing unit are adopted to complete;
as shown in fig. 1, the hardware architecture of the satellite mobile communication portable terminal comprises three major parts, namely a main control board, a baseband processing unit, a power amplifier and an antenna unit, and a coordinated control unit running on the main control board can acquire the working states of the baseband processing unit, the power amplifier and the antenna unit, and perform unified control and low power consumption strategy in the processes of satellite searching, residence, tracking, network access, service, standby and the like.
S2, in the main control board of the satellite mobile communication portable station, the data interaction is carried out with the baseband processing unit through the multiplex port (control and service separation);
through the real-time control and the active reporting state command which are consistent in negotiation, a UART + MUX communication mode is adopted in a channel (hardware adopts a UART port, and software adopts a multiplexing MUX protocol), the logic is divided into a data state and a command state, and the specific process is as follows:
s21, the main control board of the portable station and the baseband processing unit carry out data interaction multiplex port, the sleep control adopts four GPIOs to carry out the sleep control between the main control and the baseband processing unit, thereby ensuring the effectiveness of both communication;
due to the equivalence of the sleep-wake policy, for the convenience of description, only the policy of the master- > baseband processing unit is described below, and the baseband processing unit- > master is the same.
S22, when the main control board detects no data transmission on the port, the AP2CP _ SLEEP is set high to inform the baseband processing unit host to enter a SLEEP state, and meanwhile CP2AP _ WAKEUP falling edge interrupt enabling is set;
the baseband processing unit determines whether to enter a sleep state according to the actual situation of the baseband processing unit; before entering the SLEEP state, the baseband processing unit sets the CP2AP _ SLEEP high and enables the AP2CP _ WAKEUP interrupt; also, when the baseband processing unit wakes up from SLEEP, CP2AP _ SLEEP is set low.
S23, the main control board sends data to the baseband processing unit: when the main control board has data to send, firstly waking up the baseband processing unit, and firstly detecting the CP2AP _ SLEEP of the baseband processing unit by the main control board;
if the CP2AP _ SLEEP is high, indicating that the baseband processing unit has slept, the main control board wakes up the baseband processing unit by generating a falling edge on the AP2CP _ wake, the baseband processing unit wakes up at the falling edge of the AP2CP _ wake, and sets the CP2AP _ SLEEP to a low level, indicating that the baseband processing unit has woken up, and enters a read-write operation waiting state, and the main control board starts to send data after detecting that the baseband processing unit wakes up through the low level of the CP2AP _ SLEEP.
As shown in fig. 2, wherein (r) indicates that the baseband processing unit interrupts AP2CP _ wake as a falling edge input, sets CP2AP _ SLEEP high, and then enters a SLEEP state; the main control board detects that the CP2AP _ SLEEP signal is high, then sends a falling edge to wake up the baseband processing unit, and detects that the CP2AP _ SLEEP signal is low, then opens the communication port; thirdly, after the baseband processing unit is awakened and ready to receive data, setting the CP2AP _ SLEEP signal to be low; fourthly, the main control board starts to send data after receiving the CP2AP _ SLEEP low level; indicating that the data transmission is finished, closing the communication port and raising AP2CP _ WAKEUP.
S24, the baseband processing unit sends data to the main control board: when incoming call information is reported, the baseband processing unit is awakened through paging, writes are called, and the master control board is informed of events; in the write operation, it is first detected whether the AP2CP _ SLEEP is low;
if the AP2CP _ SLEEP is detected to be low level, directly performing the write operation; if the high level is detected, firstly waking up the main control board through the falling edge of CP2AP _ WAKEUP; after the main control board receives the interruption of the CP2AP _ WAKEUP falling edge, firstly setting the AP2CP _ SLEEP to be low level to indicate that the main control board is awakened from SLEEP; after detecting that the AP2CP _ SLEEP is at a low level, the baseband processing unit starts to transmit data; after that, the main control board and the baseband processing unit restore the working state.
As shown in fig. 3, wherein:indicatesthat the baseband processing unit sets CP2AP _ wake to a falling edge input interrupt, sets AP2CP _ SLEEP high, and then enters a SLEEP state; secondly, after detecting that the AP2CP _ SLEEP signal is high, the baseband processing unit sends a falling edge to wake up the main control board; thirdly, after the main control board is awakened, the communication port is opened, and after the data are ready to be received, the AP2CP _ SLEEP is set to be low; fourthly, after detecting the low level of the AP2CP _ SLEEP, the baseband processing unit starts to send data; indicating that the data transmission is completed, pulling up CP2AP _ wake.
S3, the power amplifier of the portable station is at the antenna side, and is connected with the host machine in a mode of 'one wire connection', and the host machine is communicated with the power amplifier at the antenna side through the radio frequency wire and provides a power supply;
the portable terminal host computer sends a control command issued by a serial port to the power amplifier at the antenna side after being modulated by the 'host side combiner' in the host computer, the 'power amplifier side combiner' demodulation control signal realizes the relevant control of the power amplifier, and under the network access state, the receiving and sending channels of the power amplifier are in a normally open state, wherein the average work power consumption is about 15W, the average standby power consumption is about 3W, the work power consumption and the standby power consumption of the scheme are both large, the efficiency is very low, and the power amplifier is in the normally open state for a long time, generates high heat, causes large extra energy loss, and has great influence on the radio frequency performance and the service life of the power amplifier. The specific process for improving and reducing the power consumption of the radio frequency unit comprises the following steps:
s31, the radio frequency part needs more than 10W high power output, and in consideration of design related problems, the power amplifier, the low noise amplifier unit and the antenna part are arranged in the same unit to form an antenna front end; a wire harness is needed to be adopted between the front end of the antenna and the mainboard for radio frequency signal transmission, signal transmission control and power supply;
and S32, controlling signals to be in 2MHz frequency band and 3 paths of radio frequency signals based on the fact that a power supply is direct current, combining and shunting the main control board and the front end of the antenna through reasonable hardware circuit design, and simultaneously ensuring the main control board to control the front end of the antenna on software. Combining radio frequency signals into one path through a triplexer, combining the radio frequency signals into one path with power supply of an antenna front-end power supply and control signals of the antenna front-end power supply, and transmitting the signals to an antenna end through a transmission cable; the same combining and splitting path architecture scheme is adopted at the front end of the antenna, so that the use requirement is met;
s33, the radio frequency cable transmits 5 signals, namely a radio frequency TX signal, a radio frequency RX signal, a GPS/Beidou radio frequency RX signal and an OOK (2 MHZ) control signal, the OOK control signal is mainly used for controlling an antenna end by a main control board, a power amplifier of the antenna is opened by using CP2RF _ TT1_ PA _ EN, low-noise amplifier of the antenna is opened by using CP2RF _ TT1_ LNA _ EN, and control instructions and parameters such as gain are set; the relationship between the main control board and the radio frequency control is shown in fig. 4.
S4, combining the duty ratio (i.e. working for a period of time, sleeping for a period of time) working state of the baseband processing unit of the portable terminal;
the receiving and sending control enabling signal of the satellite mobile communication baseband chip is basically synchronous with the receiving and sending communication control enabling signal of the antenna side power amplifier, and the duty ratio is basically consistent, so that the power amplifier works when working, and sleeps when sleeping, and the efficiency of high power amplifier is improved.
S41, a baseband processing unit of the portable terminal is added with a transceiving enabling control signal, a power amplifier is added with a switch enabling control signal, and meanwhile, two low-power consumption single-chip microcomputers are respectively added on a host side and an antenna side of the portable terminal for monitoring the working state of satellite mobile communication, because the satellite mobile communication baseband chip is not required to be always in an open state during actual communication, the satellite mobile communication baseband chip generally works according to a certain duty ratio (namely works for a period of time and sleeps for a period of time), and by adding a detection single-chip microcomputer, the single-chip microcomputer is very low in power consumption, and even if the portable terminal works under full load, the power consumption is only 2-3 mW;
s42, detecting the working state of the satellite mobile communication baseband chip, modulating the monitored level state by a branching and branching device at the host side, sending the modulated level state to a branching and branching device at the antenna side for demodulation, sending the demodulated level state to a monitoring low-power-consumption singlechip at the antenna side, and controlling a power amplifier transceiving channel by the low-power-consumption singlechip at the antenna side;
s43, controlling only two low-power consumption singlechips to be in a normal working state, and controlling other functional devices to be in a dormant state in a non-working state, so that under the condition of avoiding the problem of receiving and sending delay, the non-working consumption is greatly reduced, the working power consumption and the standby power consumption of the whole machine are reduced, and according to a final optimization scheme, the working average power consumption of a stage prototype is about 10W and the standby power consumption is about 650 mW;
s5, the main control board of the portable terminal acquires the working condition of the baseband processing unit regularly or irregularly according to the defined state monitoring command and the interface sleep awakening design; the frequency, signal quality, satellite spot beam information, idle/active state, DRX state of the current baseband operation can be obtained.
S51, the status monitoring command is: RSSI: v1, v2, B: v3, v4, T: v5, v6, v7, v8, v 9;
the parameters have the following meanings: v 1: received signal strength indication, v 2: received signal-to-noise ratio, v 3: the channel number of the portable station terminal is located at present, the broadcast channel number is displayed when the portable station terminal is idle, the service channel number is displayed when the portable station terminal is in service, and v 4: the beam number of the satellite where the portable station terminal currently resides is divided according to the geographical position, v 5: current RRC layer state of the baseband processing unit, v 6: current MM layer state of baseband processing unit, v 7: current GMM layer state of the baseband processing unit, v 8: current L1 state of baseband processing unit, v 9: currently receiving a broadcast condition; wherein, RSSI (received Signal Strength indicator) represents the Strength indication of the received Signal, B represents the beam characteristic, and T represents the state characteristic;
s52, the calculated signal strength is: 167+ v1 × 3, unit dBm, value range of v1 is 0-32; the value range of v2 is 0-255, v1 and v2 are respectively represented by 1 byte, the terminal selects a beam according to the signal intensity calculated by v1, whether the beam is usable is judged according to the signal quality calculated by v2, the lower 3 bits of v1 valid bit are all 1, the signal intensity meets the basic condition of residence, the lower 3 bits of v2 valid bit are all 1, the working condition of the current signal-to-noise ratio 7db is adopted, the main control board calculates and judges the signal quality according to the mask represented by val = v1& v2, the lower 3 bits are all 1, whether the current satellite beam is used is judged, if the satellite beam is not used, the baseband processing unit is awakened, and satellite searching and radio frequency channel opening are carried out;
whether the current resident or working frequency is effective or not, whether the satellite beam number can be obtained or not, whether the current satellite beam is used or not can be judged, whether the baseband processing unit is awakened or not is judged according to mask calculation represented by val = v3& v4, and the spot beam is switched and re-accessed to the network is judged;
v5, v6, v7 and v8 are low by 3 bits and are used for representing a connection state, an idle state and a DRX state of each layer, the current working condition of the baseband processing unit is judged according to mask calculation represented by val = v5& v6& v7& v8, all the baseband processing unit must enter the DRX state, and the switch of the radio frequency channel is enabled to be effective;
according to v9, the main control board enables the discontinuous receiving state of the whole machine, and the discontinuous receiving state is the boundary between deep sleep and light sleep of the whole machine.
S6, the main control of the portable station can adjust the on-off state of the peripheral equipment in real time, and can reduce the awakening times according to the prejudgement such as gravity sensor, and the like, and the method comprises the following specific steps:
the main control board records a trigger event according to the use conditions of the gravity sensor, the peripheral keys and the touch screen, the trigger event is a time stamp T0 used by the portable station at this time, the current working time is T1, the T1 is maintained by a local TBU unit through a SimpleClock in the standby deep sleep and light sleep processes, the SimpleClock is the final time sequence output of the TBU, and the normal local time sequence can be ensured under the deep sleep condition; each time slice which is changed constantly is 5ms, Td = T1-T0, when SimpleClock wakes up each time and the calculated Td is more than 60 seconds, the fact that no artificial trigger is used is judged, and the triggering condition for entering standby deep sleep is provided;
the threshold value of Td is 10 seconds and 60 seconds, the main control board detects that the baseband processing unit enters an idle state, the standby sleep counter in the interrupt processing function of SimpleClock starts to accumulate, the accumulated value exceeds 2000, the SimpleClock enters a light sleep state of sleep, the accumulated value exceeds 12000, the SimpleClock enters a deep sleep state from the light sleep, the main control board only detects CP2AP _ WAKEUP, CP2RF _ TT1_ PA _ EN and CP2RF _ TT1_ LNA _ EN signals, and under the condition of no trigger signal, the main control board controls the radio frequency power off. The parameter meanings are shown in the table 1:
TABLE 1
Note: the linkage control unit works in the AP and is the core of low-power consumption control; the baseband processing unit operates in CP. The control signal of the linkage control unit- > the baseband processing unit- > the radio frequency antenna unit is defined as input, and the control signal of the baseband processing unit- > the linkage control unit is defined as output.
In summary, the system and the method for controlling the complete machine linkage with low power consumption of the satellite mobile communication portable station have the following characteristics: the method comprises the following steps that firstly, a portable station main control unit (a main control board) in a satellite mobile communication system adopts a baseband processing unit to collect state data, enables control signal detection and a linkage control unit to combine to execute a linkage low-power-consumption control strategy; secondly, a data and control command interface of a main control unit (main control board) of the portable station in satellite mobile communication adopts a four-wire protocol, so that the reliability of data interactive communication under a low-power-consumption strategy is ensured; thirdly, a baseband processing unit of the portable terminal increases a receiving and sending enabling control signal, a power amplifier increases a switch enabling control signal, two low-power consumption single-chip microcomputers are respectively added on a host side and an antenna side of the portable terminal for monitoring the working state of satellite mobile communication, and the antenna switching control work is carried out according to a certain duty ratio through the working state of a satellite mobile communication baseband chip; fourthly, the main control board of the portable terminal carries out interface sleep awakening design according to the defined state monitoring command, acquires the working condition of the baseband processing unit regularly or irregularly to define the deep sleep and the light sleep of the whole machine and adjust the low power consumption level; and fifthly, the portable station main control board adjusts the on-off state of the peripheral equipment in real time according to the use conditions of the gravity sensor, the peripheral keys and the touch screen, and the awakening times are reduced in anticipation.
Claims (10)
1. The utility model provides a low-power consumption complete machine coordinated control system of portable station of satellite mobile communication which characterized in that, includes main control board, baseband processing unit, power amplifier and antenna element, wherein:
the master control board carries out data interaction with the baseband processing unit through the multiplexing port, the master control board is provided with a linkage control unit, and the linkage control unit establishes a sleep awakening strategy for sleep awakening control between the master control board and the baseband processing unit;
the power amplifier and antenna unit comprises a power amplifier unit, a low-noise amplifier unit and an antenna, the three parts form an antenna front end, and the antenna front end and the main control board adopt a wire-line communication to transmit radio frequency signals, control signals and supply power;
the base band processing unit is additionally provided with a receiving and sending control enabling signal, the power amplifier is additionally provided with a switch enabling control signal, meanwhile, a first single chip microcomputer is arranged on the side of the main control panel, a second single chip microcomputer is arranged on the side of the antenna, the two single chip microcomputers are used for monitoring the working state of satellite mobile communication, and the antenna switching control work is carried out according to the duty ratio and the working state of the base band processing unit.
2. The system of claim 1, wherein the sleep wake-up strategy comprises a sleep wake-up strategy from the main control board to the baseband processing unit, and a sleep wake-up strategy from the baseband processing unit to the main control board, and the control processes of the two are the same, wherein the sleep wake-up strategy from the main control board to the baseband processing unit is specifically as follows:
the following signals are defined:
AP2CP _ WAKEUP, the falling edge is valid by applying a signal used by the processor wake-up module;
CP2AP _ WAKEUP, the module wakes up the signal used by the application processor, the falling edge is valid;
AP2CP _ SLEEP, application processor SLEEP state indicator signal, high level indicating application processor is in SLEEP state;
CP2AP _ SLEEP, module SLEEP state indicator signal, high level indicates module is in SLEEP state;
(1) when the main control board detects that no data is sent on the port, the main control board informs the baseband processing unit host to enter a SLEEP state by setting AP2CP _ SLEEP to be high, and meanwhile, CP2AP _ WAKEUP falling edge interrupt enabling is set;
the baseband processing unit determines whether to enter a sleep state according to the actual situation of the baseband processing unit; before entering the SLEEP state, the baseband processing unit sets the CP2AP _ SLEEP high and enables the AP2CP _ WAKEUP interrupt; likewise, when the baseband processing unit wakes up from SLEEP, CP2AP _ SLEEP is set low;
(2) the main control board sends data to the baseband processing unit: when the main control board has data to send, firstly waking up the baseband processing unit, and firstly detecting the CP2AP _ SLEEP of the baseband processing unit by the main control board;
if the CP2AP _ SLEEP is high, which indicates that the baseband processing unit has slept, the main control board wakes up the baseband processing unit by generating a falling edge on the AP2CP _ wake, the baseband processing unit wakes up the AP2CP _ wake at the falling edge, and sets the CP2AP _ SLEEP to a low level, which indicates that the baseband processing unit has woken up, enters a wait state for read/write operations, and starts to send data after the main control board detects that the baseband processing unit wakes up through the low level of the CP2AP _ SLEEP;
(3) the baseband processing unit sends data to the main control board: when incoming call information is reported, the baseband processing unit is awakened through paging, writes are called, and the master control board is informed of events; in the write operation, it is first detected whether AP2CP _ SLEEP is low;
if the AP2CP _ SLEEP is detected to be low level, directly performing the write operation; if the high level is detected, firstly waking up the main control board through the falling edge of CP2AP _ WAKEUP; after the main control board receives the interruption of the CP2AP _ WAKEUP falling edge, firstly setting the AP2CP _ SLEEP to be low level to indicate that the main control board is awakened from SLEEP; after detecting that the AP2CP _ SLEEP is in a low level, the baseband processing unit starts to send data; after that, the main control board and the baseband processing unit restore the working state.
3. The system of claim 2, wherein a wire harness is used between the antenna front end and the main control board for rf signal transmission, control signal transmission, and power supply, and the system is specifically as follows:
the main control board combines the radio frequency signals into one path through a triplexer, combines the radio frequency signals into one path with the power supply and control signals into one path, transmits the radio frequency signals to the front end of the antenna through a transmission cable, and adopts the same combination and division architecture at the front end of the antenna to realize the control of the main control board on the front end of the antenna.
4. The system of claim 3, wherein the radio frequency signals include a radio frequency TX signal, a radio frequency RX signal, a GPS/beidou radio frequency RX signal;
the control signal is used for realizing the control of the main control panel on the antenna, and comprises a power amplification unit for opening the antenna by using an external PA enabling control signal CP2RF _ TT1_ PA _ EN, a low noise amplification unit for opening the antenna by using an external LNA enabling control signal CP2RF _ TT1_ LNA _ EN, and a setting control instruction and parameters.
5. The system of claim 4, wherein the first single chip detects the operating status of the baseband processing unit, and then sends the detected level status to the second single chip on the antenna side, and the second single chip controls the transceiver channel of the power amplifier, so that the first single chip and the second single chip are in a normal operating status, and other functional devices are in a dormant status in a non-operating status.
6. The system of claim 5, wherein the main control board obtains the operating status of the baseband processing unit according to the defined status monitoring command and sleep wakeup strategy, including the operating frequency, signal quality, satellite spot beam information, idle/operating status, DRX status of the current baseband processing unit;
the state monitoring command is as follows: RSSI: v1, v2, B: v3, v4, T: v5, v6, v7, v8, v 9;
the parameters have the following meanings: v 1: received signal strength indication, v 2: received signal-to-noise ratio, v 3: the channel number of the portable station terminal is located at present, the broadcast channel number is displayed when the portable station terminal is idle, the service channel number is displayed when the portable station terminal is in service, and v 4: the beam number of the satellite where the portable station terminal currently resides is divided according to the geographical position, v 5: current RRC layer state of the baseband processing unit, v 6: current MM layer state of baseband processing unit, v 7: current GMM layer state of the baseband processing unit, v 8: current L1 state of baseband processing unit, v 9: currently receiving a broadcast condition; wherein RSSI represents the strength indication of the received signal, B represents the beam characteristic, and T represents the state characteristic;
the calculated signal strength is: 167+ v1 × 3, unit dBm, value range of v1 is 0-32; the value range of v2 is 0-255, v1 and v2 are respectively represented by 1 byte, the terminal calculates the signal intensity according to v1 to select a beam, whether the beam is available is judged according to the signal quality calculated by v2, the lower 3 bits of v1 valid bits are all 1, the signal intensity meets the basic condition of residence, the lower 3 bits of v2 valid bits are all 1, the working condition is the current signal-to-noise ratio 7db, the main control board calculates and judges the signal quality according to masks represented by val = v1& v2, the lower 3 bits are all 1, whether the current satellite beam meets the use is judged, if not, the baseband processing unit is awakened, and satellite searching and radio frequency channel opening are carried out;
whether the current resident or working frequency is effective or not, whether the satellite beam number can be obtained or not, whether the current satellite beam is used or not can be judged, whether the baseband processing unit is awakened or not is judged according to mask calculation represented by val = v3& v4, and the spot beam is switched and re-accessed to the network is judged;
v5, v6, v7 and v8 are low by 3 bits and are used for representing a connection state, an idle state and a DRX state of each layer, the current working condition of the baseband processing unit is judged according to mask calculation represented by val = v5& v6& v7& v8, all the baseband processing unit must enter the DRX state, and the switch of the radio frequency channel is enabled to be effective;
according to v9, the main control board enables the discontinuous receiving state of the whole machine, and the discontinuous receiving state is the boundary between deep sleep and light sleep of the whole machine.
7. The system of claim 6, wherein the main control board adjusts the on/off state of the peripheral devices in real time, and reduces the number of awakening times according to the predicition of the gravity sensor;
the main control board records a trigger event according to the use conditions of the gravity sensor, the peripheral keys and the touch screen, the trigger event is a time stamp T0 used by the portable station at this time, the current working time is T1, the T1 is maintained by a local TBU unit through a SimpleClock in the standby deep sleep and light sleep processes, the SimpleClock is the final time sequence output of the TBU, and the normal local time sequence can be ensured under the deep sleep condition; each time slice which is changed constantly is 5ms, Td = T1-T0, when SimpleClock wakes up each time and the calculated Td is more than 60 seconds, the fact that no artificial trigger is used is judged, and the triggering condition for entering standby deep sleep is provided;
the threshold value of Td is 10 seconds and 60 seconds, the main control board detects that the baseband processing unit enters an idle state, the standby sleep counter in the interrupt processing function of SimpleClock starts to accumulate, the accumulated value exceeds 2000, the SimpleClock enters a light sleep state of sleep, the accumulated value exceeds 12000, the SimpleClock enters a deep sleep state from the light sleep, the main control board only detects CP2AP _ WAKEUP, CP2RF _ TT1_ PA _ EN and CP2RF _ TT1_ LNA _ EN signals, and under the condition of no trigger signal, the main control board controls the radio frequency power off.
8. A low-power consumption complete machine linkage control method of a satellite mobile communication portable station is characterized by comprising the following steps:
the master control board carries out data interaction with the baseband processing unit through the multiplexing port, the master control board is provided with a linkage control unit, and the linkage control unit establishes a sleep awakening strategy for sleep awakening control between the master control board and the baseband processing unit;
the power amplifier and antenna unit comprises a power amplifier unit, a low-noise amplifier unit and an antenna, the three parts form an antenna front end, and a wire harness is adopted between the antenna front end and the main control board to transmit radio frequency signals, control signals and supply power;
the base band processing unit is additionally provided with a receiving and sending control enabling signal, the power amplifier is additionally provided with a switch enabling control signal, meanwhile, a first single chip microcomputer is arranged on the side of the main control panel, a second single chip microcomputer is arranged on the side of the antenna, the two single chip microcomputers are used for monitoring the working state of satellite mobile communication, and the antenna switching control work is carried out according to the duty ratio and the working state of the base band processing unit.
9. The method as claimed in claim 8, wherein the sleep wake-up strategy comprises a sleep wake-up strategy from the main control board to the baseband processing unit, and a sleep wake-up strategy from the baseband processing unit to the main control board, which are controlled in the same way, wherein the sleep wake-up strategy from the main control board to the baseband processing unit is specifically as follows:
the following signals are defined:
AP2CP _ WAKEUP, the falling edge is valid by applying a signal used by the processor wake-up module;
CP2AP _ WAKEUP, module wake up signal used by application processor, falling edge is valid;
AP2CP _ SLEEP, application processor SLEEP state indicator signal, high indicating that the application processor is in SLEEP state;
CP2AP _ SLEEP, module SLEEP state indicator signal, high level indicating that the module is in SLEEP state;
(1) when the main control board detects that no data is sent on the port, the main control board informs the baseband processing unit host to enter a SLEEP state by setting AP2CP _ SLEEP high, and meanwhile, CP2AP _ WAKEUP falling edge interrupt enabling is set;
the baseband processing unit determines whether to enter a sleep state according to the actual situation of the baseband processing unit; before entering the SLEEP state, the baseband processing unit sets the CP2AP _ SLEEP high and enables the AP2CP _ WAKEUP interrupt; likewise, when the baseband processing unit wakes up from SLEEP, CP2AP _ SLEEP is set low;
(2) the main control board sends data to the baseband processing unit: when the main control board has data to send, firstly waking up the baseband processing unit, and firstly detecting the CP2AP _ SLEEP of the baseband processing unit by the main control board;
if the CP2AP _ SLEEP is high, it indicates that the baseband processing unit has slept, the main control board wakes up the baseband processing unit by generating a falling edge on the AP2CP _ wake, the baseband processing unit wakes up at the falling edge of the AP2CP _ wake, and sets CP2AP _ SLEEP to low level, which indicates that the baseband processing unit has woken up, and enters a read-write operation waiting state, and the main control board starts to send data after detecting that the baseband processing unit wakes up through the low level of CP2AP _ SLEEP;
(3) the baseband processing unit sends data to the main control board: when incoming call information is reported, the baseband processing unit is awakened through paging, writes are called, and an event is notified to the main control board; in the write operation, it is first detected whether AP2CP _ SLEEP is low;
if the AP2CP _ SLEEP is detected to be low level, directly performing the write operation; if the high level is detected, firstly waking up the main control board through the falling edge of CP2AP _ WAKEUP; after the main control board receives the interruption of the CP2AP _ WAKEUP falling edge, firstly setting the AP2CP _ SLEEP to be low level to indicate that the main control board is awakened from SLEEP; after detecting that the AP2CP _ SLEEP is at a low level, the baseband processing unit starts to transmit data; after that, the main control board and the baseband processing unit restore the working state.
10. The method for controlling the low-power consumption complete machine linkage of the portable satellite mobile communication station according to claim 8, wherein the main control board further comprises the following functions:
(1) the main control board obtains the working condition of the baseband processing unit according to the defined state monitoring command and the sleep awakening strategy, wherein the working condition comprises the working frequency, the signal quality, the satellite spot beam information, the idle/working state and the DRX state of the current baseband processing unit, and the working condition comprises the following specific steps:
the state monitoring command is as follows: RSSI: v1, v2, B: v3, v4, T: v5, v6, v7, v8, v 9;
the parameters have the following meanings: v 1: received signal strength indication, v 2: received signal-to-noise ratio, v 3: the channel number of the portable station terminal is located at present, the broadcast channel number is displayed when the portable station terminal is idle, the service channel number is displayed when the portable station terminal does service, and v 4: the beam number of the satellite where the portable station terminal currently resides is divided according to the geographical position, v 5: current RRC layer state of the baseband processing unit, v 6: current MM layer state of baseband processing unit, v 7: current GMM layer state of the baseband processing unit, v 8: current L1 state of baseband processing unit, v 9: currently receiving a broadcast condition; wherein RSSI represents the strength indication of the received signal, B represents the beam characteristic, and T represents the state characteristic;
the calculated signal strength is: 167+ v1 × 3, unit dBm, value range of v1 is 0-32; the value range of v2 is 0-255, v1 and v2 are respectively represented by 1 byte, the terminal selects a beam according to the signal intensity calculated by v1, whether the beam is usable is judged according to the signal quality calculated by v2, the lower 3 bits of v1 valid bit are all 1, the signal intensity meets the basic condition of residence, the lower 3 bits of v2 valid bit are all 1, the working condition of the current signal-to-noise ratio 7db is adopted, the main control board calculates and judges the signal quality according to the mask represented by val = v1& v2, the lower 3 bits are all 1, whether the current satellite beam is used is judged, if the satellite beam is not used, the baseband processing unit is awakened, and satellite searching and radio frequency channel opening are carried out;
whether the current resident or working frequency is effective or not, whether the satellite beam number can be obtained or not, whether the current satellite beam is used or not can be judged, whether the baseband processing unit is awakened or not is judged according to mask calculation represented by val = v3& v4, and the spot beam is switched and re-accessed to the network is judged;
v5, v6, v7 and v8 are low by 3 bits and are used for representing a connection state, an idle state and a DRX state of each layer, the current working condition of the baseband processing unit is judged according to mask calculation represented by val = v5& v6& v7& v8, all the baseband processing unit must enter the DRX state, and the switch of the radio frequency channel is enabled to be effective;
according to v9, the main control board enables the discontinuous receiving state of the whole machine, which is the boundary between deep sleep and light sleep of the whole machine;
(2) the main control board adjusts the on-off state of the peripheral equipment in real time, and meanwhile, the awakening times are reduced according to the prejudgement of the gravity sensor, and the method comprises the following steps:
the main control board records a trigger event according to the use conditions of the gravity sensor, the peripheral keys and the touch screen, the trigger event is a time stamp T0 used by the portable station at this time, the current working time is T1, the T1 is maintained by a local TBU unit through a SimpleClock in the standby deep sleep and light sleep processes, the SimpleClock is the final time sequence output of the TBU, and the normal local time sequence can be ensured under the deep sleep condition; each constantly changing time slice is 5ms, Td = T1-T0, when SimpleClock wakes up each time and the calculated Td is more than 60 seconds, the condition that no artificial trigger is used is judged, and the trigger condition for entering the standby deep sleep is provided;
the threshold value of Td is 10 seconds and 60 seconds, the main control board detects that the baseband processing unit enters an idle state, the standby sleep counter in the interrupt processing function of SimpleClock starts to accumulate, the accumulated value exceeds 2000, the SimpleClock enters a light sleep state of sleep, the accumulated value exceeds 12000, the SimpleClock enters a deep sleep state from the light sleep, the main control board only detects CP2AP _ WAKEUP, CP2RF _ TT1_ PA _ EN and CP2RF _ TT1_ LNA _ EN signals, and under the condition of no trigger signal, the main control board controls the radio frequency power off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921454.7A CN115001568B (en) | 2022-08-02 | 2022-08-02 | Low-power-consumption complete machine linkage control system and method for satellite mobile communication portable station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921454.7A CN115001568B (en) | 2022-08-02 | 2022-08-02 | Low-power-consumption complete machine linkage control system and method for satellite mobile communication portable station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115001568A true CN115001568A (en) | 2022-09-02 |
| CN115001568B CN115001568B (en) | 2022-10-25 |
Family
ID=83021369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210921454.7A Active CN115001568B (en) | 2022-08-02 | 2022-08-02 | Low-power-consumption complete machine linkage control system and method for satellite mobile communication portable station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115001568B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116095112A (en) * | 2022-12-30 | 2023-05-09 | 航天行云科技有限公司 | Satellite Internet of things communication device and method with low power consumption design |
| CN116192241A (en) * | 2023-04-24 | 2023-05-30 | 银河航天(北京)通信技术有限公司 | Satellite beam switching system and method and beam scheduling module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130016632A1 (en) * | 2011-01-14 | 2013-01-17 | Mujtaba Syed A | Methods for Coordinated Signal Reception Across Integrated Circuit Boundaries |
| CN110290481A (en) * | 2019-08-01 | 2019-09-27 | 北京华力创通科技股份有限公司 | Communication terminal and communication means |
| CN113242079A (en) * | 2021-04-20 | 2021-08-10 | 中国电子科技集团公司第五十四研究所 | Terminal based on satellite broadband data communication |
| CN113242080A (en) * | 2021-04-20 | 2021-08-10 | 中国电子科技集团公司第五十四研究所 | Core module based on satellite communication |
-
2022
- 2022-08-02 CN CN202210921454.7A patent/CN115001568B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130016632A1 (en) * | 2011-01-14 | 2013-01-17 | Mujtaba Syed A | Methods for Coordinated Signal Reception Across Integrated Circuit Boundaries |
| CN110290481A (en) * | 2019-08-01 | 2019-09-27 | 北京华力创通科技股份有限公司 | Communication terminal and communication means |
| CN113242079A (en) * | 2021-04-20 | 2021-08-10 | 中国电子科技集团公司第五十四研究所 | Terminal based on satellite broadband data communication |
| CN113242080A (en) * | 2021-04-20 | 2021-08-10 | 中国电子科技集团公司第五十四研究所 | Core module based on satellite communication |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116095112A (en) * | 2022-12-30 | 2023-05-09 | 航天行云科技有限公司 | Satellite Internet of things communication device and method with low power consumption design |
| CN116192241A (en) * | 2023-04-24 | 2023-05-30 | 银河航天(北京)通信技术有限公司 | Satellite beam switching system and method and beam scheduling module |
| CN116192241B (en) * | 2023-04-24 | 2023-06-23 | 银河航天(北京)通信技术有限公司 | Satellite beam switching system and method and beam scheduling module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115001568B (en) | 2022-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115001568B (en) | Low-power-consumption complete machine linkage control system and method for satellite mobile communication portable station | |
| EP1254521B1 (en) | Power conservation method for mobile communications device with two receivers | |
| JP4307554B2 (en) | Method and apparatus for conserving remote device power in a dispatch system | |
| US8351361B2 (en) | WCDMA device and method for discontinuous reception for power saving in idle mode and flexible monitoring of neighboring cells | |
| EP2502442B1 (en) | A method and apparatus for power and handover management in a multiple wireless technology communication device | |
| US8687594B2 (en) | Method and apparatus for power and handover management in a multiple wireless technology communication device | |
| EP2681945B1 (en) | Apparatus and method for saving power of base stations | |
| CN110582112A (en) | low-power-consumption management method and module of satellite communication module | |
| GB2406997A (en) | Inhibiting monitoring of broadcast service channel to save power | |
| CN107295615A (en) | A kind of method of wake on wireless equipment | |
| CN114980283A (en) | State switching method and device, and beacon signal transmission and device | |
| CN112954780A (en) | Small base station and energy-saving method thereof | |
| KR20140111211A (en) | Mobile device for power reduction and method thereof | |
| KR20050012534A (en) | Paging indicator decision method for mobile phone | |
| EP2733996B1 (en) | Method for reducing power consumption of wireless terminal and wireless terminal | |
| CN114567369B (en) | Half-duplex data forwarding method and system for satellite Internet of things | |
| KR100415579B1 (en) | Power management methode of wlan card | |
| EP1734671B1 (en) | Switching VSAT transmitter with smart stand-by mode | |
| CN114900222B (en) | Satellite data transmission system | |
| CN109218989A (en) | A kind of Sub-G frequency range ocean emergency help system | |
| JPWO2004019637A1 (en) | Radio signal receiving method and apparatus | |
| CN220629589U (en) | Communication module | |
| CN220896811U (en) | Microphone switching system | |
| EP1169789B1 (en) | Power control in direct-mode mobile communications | |
| CN116723562A (en) | Method and device for reducing overall power consumption of satellite portable station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |