WO2023016100A1 - 传输路径的控制方法、装置、终端及存储介质 - Google Patents
传输路径的控制方法、装置、终端及存储介质 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
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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
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- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present application relates to the communication field, and in particular to a transmission path control method, device, terminal and storage medium.
- the radio frequency chip of the terminal With more and more terminal standards and frequency bands, there are also many transmission paths between the radio frequency chip of the terminal and the antenna. Due to the limited space of the mobile phone, the number of antennas is also limited, that is, many frequency bands will share one antenna, so the setting of the transmission path involves the RF switching or combining devices in the terminal, and each device has an impact on the transmission performance of the transmission path, thus affecting the entire Communication Systems.
- Some terminals use the method of fixing a single radio frequency transmission path to control the transmission path. Since the transmission path is fixed, the resource loss in the transmission path is also fixed. Even if there is a transmission path with less loss during the transmission process, the terminal cannot switch .
- the main purpose of the embodiments of the present application is to provide a transmission path control method, device, terminal, and storage medium.
- the embodiment of the present application provides a transmission path control method, including the following steps: detecting the service requirements and/or network characteristics of the current terminal; according to the currently detected service requirements and/or network characteristics, matching corresponding The transmission path adjustment mode; adjust the transmission path from the radio frequency chip to the antenna according to the matching transmission path adjustment mode; wherein, the number of devices passed by the adjusted transmission path is less than the number of devices passed by the transmission path before adjustment, or the number of devices passed by the adjusted transmission path
- the RF conduction path and routing are shorter than the RF conduction path and routing before adjustment, or the antenna coverage frequency band corresponding to the adjusted antenna path is less than the antenna coverage frequency band corresponding to the antenna path before adjustment, and the transmission path includes the RF conduction path and antenna path, the antenna path is used for antenna selection.
- an embodiment of the present application further provides a transmission path control device, including: a detection module configured to detect the service requirements and/or network characteristics of the current terminal; a matching module configured to detect The business requirements and/or network characteristics match the corresponding transmission path adjustment mode; the adjustment module is set to adjust the transmission path from the radio frequency chip to the antenna according to the matching transmission path adjustment mode; wherein, the adjusted transmission path passes through The number of devices is less than the number of devices passed by the transmission path before adjustment, or the adjusted RF conduction path and traces are shorter than those before adjustment, or the antenna coverage frequency band corresponding to the adjusted antenna path is less than that before adjustment
- the antenna path corresponds to the frequency band covered by the antenna, and the transmission path includes a radio frequency conduction path and an antenna path, and the antenna path is used for antenna selection.
- an embodiment of the present application further provides a terminal, including: at least one processor; a memory connected to the at least one processor in communication; the memory stores instructions that can be executed by the at least one processor, and the instructions are executed by at least one processor Executed by a processor, so that at least one processor can execute the above transmission path control method.
- an embodiment of the present application further provides a computer-readable storage medium storing a computer program, and implementing the above transmission path control method when the computer program is executed by a processor.
- FIG. 1 is a schematic flowchart of a method for controlling a transmission path provided according to an embodiment of the present application
- FIG. 2 is a schematic diagram of a transmission path structure of a radio frequency front-end module provided according to an embodiment of the present application
- Fig. 3 is a schematic diagram of the RX MIMO reception service transmission path provided according to an embodiment of the present application.
- FIG. 4 is a schematic diagram of a transmission path passing through a landmark device according to an embodiment of the present application.
- FIG. 5 is a schematic diagram of RFFLESS line adjustment provided according to an embodiment of the present application.
- FIG. 6 is a first structural schematic diagram of a control device for a transmission path provided according to an embodiment of the present application.
- FIG. 7 is a second structural schematic diagram of a control device for a transmission path provided according to an embodiment of the present application.
- FIG. 8 is a schematic diagram of an RFFLESS program unit device provided according to an embodiment of the present application.
- Fig. 9 is a schematic diagram of acquiring parameters by an adaptive control unit according to an embodiment of the present application.
- Fig. 10 is a schematic structural diagram of a terminal provided according to an embodiment of the present application.
- the embodiment of the present application relates to a method for controlling a transmission path, as shown in FIG. 1 , including the following steps:
- Step 101 detecting the service requirements and/or network characteristics of the current terminal
- Step 102 matching the corresponding transmission path adjustment mode according to the currently detected service requirements and/or network characteristics
- Step 103 adjust the transmission path from the radio frequency chip to the antenna according to the matching transmission path adjustment mode; wherein, the number of devices passed by the adjusted transmission path is smaller than the number of devices passed by the transmission path before adjustment, or the adjusted radio frequency conduction path and the routing is shorter than the RF conduction path and routing before adjustment, or the antenna coverage frequency band corresponding to the adjusted antenna path is less than the antenna coverage frequency band corresponding to the antenna path before adjustment, the transmission path includes the RF conduction path and the antenna path, the antenna Paths are used for antenna selection.
- the transmission path control method of this embodiment is applied to wireless communication terminals, such as mobile phones, tablets, notebook computers, and the like. Due to the increasingly complex functions of the terminal, for example, the same mobile phone must be compatible with most of the functions of cellular mobile communication, WIFI, Bluetooth, and Global Positioning System (Global Positioning System, referred to as "GPS”) at the same time, and it needs to meet the requirements of 2G/3G/4G/ 5G frequency band requirements, covering frequency bands ranging from 600M-6GHZ. In order to pursue a higher data transmission rate, it is also necessary to implement Multiple Input Multiple Output (“MIMO”), that is, multi-antenna and multi-carrier aggregation (Carrier Aggregation, "CA”) technology.
- MIMO Multiple Input Multiple Output
- CA Carrier Aggregation
- Each frequency band such as the B1 frequency band, is divided into four MIMO channels: main set, diversity, main MIMO, and sub-MIMO. Each channel is divided into four MIMO channels due to different physical devices. More than 4-20 branch paths, so there may be more than 20 RF transmission paths in each frequency band.
- the transmission path of the terminal also includes the transmission path of the RF front-end module as shown in Figure 2.
- the transmission path controlled by the terminal in this application refers to the transmission path in the RF front-end module, from the RF chip to the antenna or test point (Test socket), also includes the pre-stage switch, intermediate stage low noise amplifier (Low Noise Amplifier, referred to as "LNA”), post-stage switch, open-line switch, etc.
- LNA Low Noise Amplifier
- the transmission path contains many switches, filters, etc., and in order to be compatible with coexistence requirements such as carrier aggregation, some RF switching or combining devices are needed, such as 3P3T switches, DP4T switches, SPDT switches, NPNT (multi-pole multi-throw switches) , duplexer (DIPLEXER), frequency divider (TRIPLEXER), and some extractors, power dividers, combiners, etc., which will cause large losses, so many transmission paths are often in RF performance and data performance. Not optimal.
- the transmission path is fixed and single.
- the terminal cannot switch the path through the bypass mode. Therefore, even in some usage scenarios, the resource loss of the transmission path is high, and the transmission path cannot be changed.
- PCB printed circuit Board
- the corresponding transmission path adjustment mode is matched, and the transmission path from the radio frequency chip to the antenna is adjusted according to the matched transmission path adjustment mode.
- Devices are bound to be accompanied by system resource loss, and the number of devices passed by the adjusted transmission path is smaller than the number of devices passed by the transmission path before adjustment, or the adjusted RF conduction path and wiring are shorter than the pre-adjusted RF conduction path and Routing, or the antenna coverage frequency band corresponding to the adjusted antenna path is less than the antenna coverage frequency band corresponding to the antenna path before adjustment.
- the transmission path includes the RF conduction path and the antenna path.
- the antenna path is used for antenna selection, so the adjusted transmission path
- the performance of the transmission path is higher than that of the transmission path before adjustment, therefore, the resource loss of the transmission path after adjustment is smaller than the resource loss of the transmission path before adjustment, thereby reducing the resource loss of the communication system.
- step 101 the terminal detects service requirements and/or network characteristics of the current terminal.
- the terminal uses the antenna to receive the communication signal from the base station, after filtering, signal amplification and other processing, it enters the RF main chip for frequency conversion, and then transmits it to the baseband processing chip.
- the baseband chip performs analog-digital processing on the signal to convert into corresponding network parameters, such as network type (such as GSM, WCDMA, CDMA, LTE, NR, etc.), cell information (such as Cell info, PCI, etc.), frequency band (such as B1/B3/N78/N41, etc.), channel Number (Arfcn) or center frequency point, and signal quality parameters, such as signal strength (such as RSSI, RSRP), signal-to-noise ratio SNR, channel quality indicator CQI, uplink transmit power, and scheduling parameters such as DLRI data flow number, uplink MCS , downlink MCS, SRS polling mechanism and so on.
- network parameters such as network type (such as GSM, WCDMA, CDMA, LTE, NR, etc.), cell information (
- the terminal can obtain the difference in network signal quality under different transmission paths, so as to perform corresponding transmission path control.
- the terminal will configure the keywords corresponding to the network parameters into a corresponding log LOG mask set, collect, filter and summarize through the system, obtain key parameters and then report them.
- the network characteristics include the network environment and/or the path loss of the transmission path, wherein the network environment includes one of the following network parameter indicators or any combination thereof: working frequency band, working frequency point, wireless signal strength, uplink and downlink call quality , data throughput, bit error rate.
- the terminal controls the transmission path according to various network parameter indications and any combination thereof, so that the adjusted transmission path can fit the network condition of the terminal and meet the actual use needs of the terminal.
- the terminal uses the baseband chip to collect the working mode of the radio frequency chip, and extracts key parameters and information, such as air interface LOG information and service reporting information, by detecting the wireless parameter log of the current terminal in communication.
- the service requirements include diversity mode, MIMO mode, multi-carrier aggregation CA mode, non-CA mode, down-antenna mode, non-down-antenna mode, independent networking SA mode, non-independent networking NSA mode, There is any one or any combination of harmonic intermodulation interference mode, no harmonic intermodulation interference mode, head-hand mode, free space mode, coexistence mode, and no coexistence mode.
- the above demand information specifically includes air interface LOG information and service reporting information, such as receiving RX MIMO mode, specifically RX1, RX2, RX3, RX4 and other modes, and CA and non-CA modes specifically include uplink CA, downlink CA, 2CA, 3CA, 4CA , 5CA, etc.
- the lower antenna and non-lower antenna modes specifically include the upper and lower antenna ASDIV switching mode and non-switching mode, the mode with and without harmonic intermodulation interference
- the head-hand and free space modes specifically include own space
- Call modes such as left and right head and hands
- coexistence mode and non-coexistence mode specifically include LTE, NR, WIFI and other coexistence modes.
- the adjusted transmission path can meet the service requirements of the terminal and meet the actual use needs of the terminal.
- the terminal matches the corresponding transmission path adjustment mode according to the currently detected service requirements and/or network characteristics. Specifically, when the transmission path control method of this embodiment is enabled, the terminal collects the LOG parameter set in real time, and analyzes the parameters of different transmission paths at different times for comparison. The terminal according to the detection and comparison results, according to the current network quality, service According to the demand, the insertion loss of each path system, the interference detection situation, the use of the upper and lower antennas, perform calculations, match and select the most appropriate adjustment mode and parameters.
- the terminal can perform the corresponding transmission path adjustment mode, and the loss (Loss) of the large path is small, or the loss (Loss) is small.
- the path loss of each path is increased to achieve balanced loss of each path, use the same receiving level, and improve the terminal data throughput performance.
- the terminal queries the transmission path adjustment mode corresponding to the currently detected service requirements and/or network characteristics in the preset mapping relationship to obtain the matching transmission path adjustment mode, wherein the mapping relationship is used to store the service requirements And/or the corresponding relationship between the network feature and the transmission path adjustment mode.
- the terminal may pre-calculate the system loss of the required transmission path, and acquire a correspondingly set transmission path adjustment mode.
- the terminal can pre-set the transmission path adjustment mode through two calculation methods.
- the first one is to model the individual losses of each radio frequency path, device, and wiring
- the unit loss is superimposed to form a system loss.
- the B3 frequency band is sent from the transceiver chip, and then passes through the LNA, the first-level switch, the surface acoustic wave device (Surface Acoustic Wave, referred to as "SAW”), the SP2T switch, Diplexer, DPDT, 3P3T switch to the target test socket, the loss of these device units plus the loss of intermediate wiring and punching is the overall system loss.
- SAW Surface Acoustic Wave
- the second method is that the terminal uses automatic gain control (Automatic Gain Control, referred to as "AGC”) level scanning and reference signal receiving power (Reference Signal Receiving Power, RSRP) self-scanning, or R&D signaling test scanning to test all transmission paths
- AGC Automatic Gain Control
- RSRP Reference Signal Receiving Power
- a matching transmission path adjustment mode is obtained. Since the mapping relationship is used to store service requirements and The corresponding relationship between/or network characteristics and the transmission path adjustment mode, that is, the service requirements and/or network characteristics, and the transmission path adjustment mode are mapped and stored in advance, so that the terminal can control the transmission path according to the current According to business requirements and/or network characteristics, the matching transmission path adjustment mode can be obtained by querying, so that the terminal can self-adaptively select the transmission path and reduce the resource consumption of the communication system.
- the terminal adjusts the transmission path from the radio frequency chip to the antenna according to the matching transmission path adjustment mode; wherein, the number of devices passed by the adjusted transmission path is smaller than the number of devices passed by the transmission path before adjustment, or the adjusted
- the RF conduction path and routing are shorter than the RF conduction path and routing before adjustment, or the antenna coverage frequency band corresponding to the adjusted antenna path is less than the antenna coverage frequency band corresponding to the antenna path before adjustment, and the transmission path includes the RF conduction path and antenna
- the antenna path is used for antenna selection, that is, the performance of the adjusted transmission path is higher than that of the unadjusted transmission path.
- the adjustment of the transmission path by the terminal may be any one of passive components, active components, lines, antennas and any combination thereof.
- the adjustment of passive components can be SAW and LTCC filters, switches (SPDT, DPDT, SP3T, SPNT, 3P3T, 4T4T, NPNT, etc.), nplexer frequency dividers (Diplexer, Triplexer, muplexer), extractors, traps Any one or more adjustments of devices such as oscilloscopes, duplexers, triplexers, and couplers.
- the line of the conventional transmission path needs to pass through many intermediate devices.
- holes will be drilled through layers.
- the loss of long traces and small holes will also be large.
- This implementation For example, use the line adjustment to select the transmission line according to the current network situation and business requirements, so as to reduce the loss caused by the large hole in the line.
- the bottom antenna needs to be switched from the bottom to the top due to the poor grip performance of the bottom antenna, and because the transmit signal comes out of the radio frequency integrated circuit (RFIC) transceiver chip , after PA power amplifier amplification, RF front-end switch, front-end lower antenna switch, and then through long wiring and punching (ie Line1, Via1, Line2, Via2, Line3 in the figure), to the upper antenna switch, and finally to the top
- RFIC radio frequency integrated circuit
- the efficiency advantage ratio of the top antenna is offset by the conduction power.
- the line adjustment function can be called, switched by the switch, bypassing the switching devices compatible with other purposes, directly from the front end of the PA module, through the RFLESS line Line4 to the target test socket, thereby reducing the long wiring and punching loss, and reaching the top of the lift The purpose of the maximum transmission power, and then optimize the uplink communication quality of NR.
- RFLESS is a new circuit design concept proposed in this embodiment.
- some circuits, modules, devices, and wiring in the radio frequency link are real-time and automatically Adaptively skip (BYPASS) or omit to achieve the idea of targeted reconfiguration of circuit design.
- BYPASS Adaptively skip
- the RF transceiver signals are switched to the RFLESS transmission path to save path loss and device insertion loss, so as to enhance the transmission power and receive sensitivity, and then achieve The purpose of improving call quality and data throughput performance.
- the RFLESS here includes passive device RFLESS, RF front-end module RFLESS, chip internal RFLESS, front-end module external RFLESS, SAW and LTCC filters, etc., switching devices (SPDT, DPDT, SP3T, SPNT, 3P3T, 4T4T, NPNT) RFLESS, nplexer frequency divider (Diplexer, Triplexer, mulplexer) RFLESS, extractor, notch filter RFLESS, RF routing path (microstrip/stripline) RFLESS, etc.
- the transmission path can be adjusted so that the resource loss of the adjusted transmission path is less than that of the pre-adjusted transmission path. loss, thereby reducing the resource loss of the communication system.
- the terminal can obtain the priority of each adjustment type according to the matching transmission path adjustment mode, and preferentially adopt the adjustment type with the highest priority , to adjust the transmission path. If the performance of the adjusted transmission path does not meet the preset requirements, the adjustment type of the next priority will be used in the order of priority from high to low to adjust the transmission path until the adjusted The performance of the transmission path meets the preset requirements.
- the adjustment type with the highest priority is given priority to adjust the transmission path. If the performance of the adjusted transmission path is not If the preset requirements are met, the adjustment type of the next priority will be used to adjust the transmission path in the order of priority from high to low until the performance of the adjusted transmission path meets the preset requirements, which can be realized according to different needs. Customize the priority of different adjustment types, and switch the adjustment type according to the order of priority when the priority adjustment type is not suitable, so that the adjustment of the transmission path can be completed as soon as possible, shortening the adjustment time and reducing resource consumption during the adjustment process.
- the terminal may invoke a preset radio frequency driver according to a matching transmission path adjustment mode, wherein the radio frequency driver is configured to adjust the transmission path in a set adjustment manner.
- the radio frequency driver is configured to adjust the transmission path in a set adjustment manner.
- a default radio frequency driver program which is set to control the terminal to use the default transmission path to transmit through each radio frequency front-end device.
- the radio frequency driver by setting the radio frequency driver to configure and turn on a special transmission path, the corresponding signal can be controlled by the program unit to go through a specific path channel, for example, CA business traffic goes through the CA channel, and non-CA business traffic goes through the non-CA channel without interference Service traffic uses the SAWLESS channel, and interfering service traffic uses the SAW channel.
- Radio frequency antennas For terminal antennas, most of the traditional radio frequency antennas are integrated with many frequency bands, such as NR and LTE combined, NR and WIFI combined, NR and LTE and GPS combined, one of these combined circuits is combined into Antenna, and the combiner itself has a certain loss. At the same time, in order to be compatible with the efficiency of NR and LTE, WIFI, and GPS standards, or compatible with single LTE and NR multi-band efficiency, the performance of each resonance frequency point is not the highest. In this embodiment, three RFLESS antenna adjustment working modes are provided. Method 1, for the single-network RFLESS antenna mode, it is mainly aimed at the scenario of multi-combined antennas.
- the control module will first control the combiner to bypass to the specified NR path, and at the same time control the antenna parasitic length and coupling point to the NR only standard range.
- Method 2 single-frequency RFLESS antenna mode, mainly for the scenario of single-mode without combining channels but multi-band, if the network and service module detects that the current service is the China Mobile B41 mode, detect that the surrounding cells or previous cells have not roamed to other
- the control module will control the antenna parasitic length and coupling point to the B41 independent frequency band, and even resonate to A specific frequency point, so that the antenna efficiency of the specific frequency point can be maximized.
- Mode 3 single-point RFLESS antenna mode, mainly for wide bandwidth NR frequency bands, such as frequency bands N77/N78/N79, the frequency spans are 3300-3800MHz, 3300-4200MHz and 4400-5000MHz respectively, if the terminal detects that the current terminal is working in A specific frequency point, or a fixed channel, such as the frequency point of N78 is 3700MHz, by detecting that the working bandwidth of the current frequency band is 100M, the resonant frequency point and working bandwidth of the antenna can be reduced to the currently specified frequency point and bandwidth Within the range, in order to improve the antenna efficiency and standing wave ratio of the current working channel and frequency point, that is, the working frequency point of the antenna is locked to the single-point working mode instead of the broadband working mode, that is, the current antenna coverage and supported frequency points do not need Covers the entire frequency range, and tunes or changes the antenna matching form for the current frequency band and specific working channel frequency points.
- the terminal invokes the preset radio frequency driver according to the matching transmission path adjustment mode. Since the radio frequency driver is set to adjust the transmission path in a set adjustment mode, it can be implemented according to different needs.
- the transmission path adjustment mode can customize different RF drivers to realize the self-adaptive selection of the transmission path by the terminal.
- the solution of this embodiment can match the corresponding transmission path adjustment mode according to the currently detected service requirements and/or network characteristics, and adjust the transmission path from the radio frequency chip to the antenna according to the matching transmission path adjustment mode.
- a device is bound to be accompanied by system resource loss, and the number of devices passed by the adjusted transmission path is smaller than the number of devices passed by the transmission path before adjustment, or the adjusted RF conduction path and traces are shorter than the pre-adjusted RF conduction path and routing, or the antenna coverage frequency band corresponding to the adjusted antenna path is less than the antenna coverage frequency band corresponding to the antenna path before adjustment, the transmission path includes a radio frequency conduction path and an antenna path, and the antenna path antenna is selected.
- the performance of the adjusted transmission path is higher than that of the unadjusted transmission path. Therefore, the resource loss of the adjusted transmission path is smaller than the resource loss of the unadjusted transmission path, thereby reducing the resource loss of the communication system.
- the embodiment of the present application also relates to a transmission path control device, as shown in FIG. 6 , including:
- a detection module 601 configured to detect service requirements and/or network characteristics of the current terminal
- the matching module 602 is configured to match the corresponding transmission path adjustment mode according to the currently detected service requirements and/or network characteristics;
- the adjustment module 603 is configured to adjust the transmission path from the radio frequency chip to the antenna according to the matching transmission path adjustment mode; wherein, the number of devices passed by the adjusted transmission path is smaller than the number of devices passed by the transmission path before adjustment, or after adjustment
- the RF conduction path and routing of the antenna path are shorter than the RF conduction path and routing before adjustment, or the antenna coverage frequency band corresponding to the adjusted antenna path is less than the antenna coverage frequency band corresponding to the antenna path before adjustment, and the transmission path includes RF conduction path and Antenna path, the antenna path is used for antenna selection. That is, the performance of the transmission path after adjustment is higher than the performance of the transmission path before adjustment.
- the adjustment to the transmission path from the radio frequency chip to the antenna includes adjustment types of one of the following or any combination thereof: adjustment of passive components, adjustment of active components, line adjustment, and antenna adjustment.
- the adjustment module 603 is further configured to obtain the priority of each adjustment type according to the matching transmission path adjustment mode if the adjustment of the transmission path from the radio frequency chip to the antenna includes multiple adjustment types, and adopt The adjustment type with the highest priority is used to adjust the transmission path. If the performance of the adjusted transmission path does not meet the preset requirements, the adjustment type with the next priority will be used in the order of priority from high to low to adjust the transmission path. Adjustment is performed until the performance of the adjusted transmission path meets the preset requirement.
- the adjustment module 603 is further configured to invoke a preset radio frequency driver according to the matching transmission path adjustment mode, wherein the radio frequency driver is configured to adjust the transmission path in a set adjustment manner.
- the matching module 602 is further configured to query the transmission path adjustment mode corresponding to the currently detected service requirements and/or network characteristics in the preset mapping relationship to obtain a matching transmission path adjustment mode, wherein, The mapping relationship is used to store the correspondence between service requirements and/or network characteristics and transmission path adjustment modes.
- the service requirements include one or any combination of the following, diversity mode, multiple input multiple output MIMO mode, multi carrier aggregation CA mode, non-CA mode, down-antenna mode, non-down-antenna mode, independent networking SA mode , Non-independent networking NSA mode, with harmonic intermodulation interference mode, without harmonic intermodulation interference mode, head-hand mode, free space mode, with coexistence mode, without coexistence mode.
- the network characteristics include the network environment and/or the path loss of the transmission path, wherein the network environment includes one of the following network parameter indicators or any combination thereof: working frequency band, working frequency point, wireless signal strength, uplink and downlink call quality , data throughput, bit error rate.
- the detection module 601 includes an L1 network detection unit, an L2 service detection unit, an L3 path loss calculation unit, and a matching module 602, which includes an L4 RFFLESS pattern matching unit, and an adjustment module 603, Contains L5 parameter storage unit, L6 RFESS program unit, L7 adaptive control unit, L8 RFLESS passive unit, L9 RFLESS active unit, L10 RFLESS line unit, L11 RFLESS antenna unit.
- the L1 network detection unit is connected to the pattern matching unit L4, and is set to detect the network environment of the terminal (including working frequency band, frequency point, wireless signal strength, uplink and downlink call quality, data throughput, bit error rate and other network parameters) index). For example, if the N78 frequency band of the 5G network takes the normal path A, the current signal strength is -90, 4*4mimo only has 3 data streams to transmit, and the downlink MCS is up to 21, and the RFFLESS path B, the corresponding signal strength is -85, 4 *4mimo only has 4 data streams to transmit, and the downlink MCS is up to 27, which indicates that RFLES path B is better, and the terminal should switch to B path to work.
- the network environment of the terminal including working frequency band, frequency point, wireless signal strength, uplink and downlink call quality, data throughput, bit error rate and other network parameters.
- the L2 service detection unit is connected to the pattern matching unit L4, and is set to detect the service requirements of the terminal (including main diversity mode or mimo mode, CA and non-CA mode, down-antenna and non-down-antenna mode, NSA and SA mode, harmonic HIM interference and no HIM interference modes, head-hand and free-space modes, coexistence and no coexistence modes, etc.).
- the L3 path loss calculation unit is connected to the pattern matching unit L4 and is configured to calculate the system loss of the required communication path.
- the L4 mode matching unit is connected to the self-adaptive control unit L7, and is configured to match and select an appropriate RFFLESS adjustment mode and method according to the above detection and calculation results.
- the L5 parameter storage unit is connected to the self-adaptive control unit L7, and is set as the storage of each RFLESS model parameter, test parameter, calibration parameter and control parameter (such as the loss parameter storage of each device, chip, module, wiring, punching, etc. ). At the same time, the L5 parameter storage unit is also set to control subsequent units to start and close the storage of RFFLESS action parameters, and is set to store RFFLESS calibration parameters.
- the L6RFLESS program unit is connected with the self-adaptive control unit L7, and is set as the call of the RFFLESS radio frequency driver.
- non-CA combination 2CA combination
- 3CA combination 3CA combination
- 4CA combination 4CA combination
- the non-CA combination (B1) does not need to go through a double or multiple switch, dipLexer or tripLexer, while the 2CA combination (B1_B3) needs to go through a double switch, and the 3CA combination (B1_B3_B7) needs to go through a double switch and a dipLexer.
- the 4CA combination (B1_B3_B7_B20) requires a double switch and a tripLexer.
- the business requirement unit can detect the current CA combination according to different business requirements, adaptively call the corresponding RFC program, and then control the adjustment of RFLESS devices under different CA combinations.
- the L7 self-adaptive control unit is connected with each RFFLESS adjustment unit, and is set to adjust and control the adaptive RFFLESS algorithm and hardware according to the current network conditions and business requirements (including the adjustment control of the RFFLESS passive unit, the adjustment control of the RFFLESS active unit, Adjustment control of RFLESS path unit, adjustment control of RFLESS antenna unit).
- the adaptive control program will perform targeted adaptive RFFLESS adjustment control according to the following business requirements and network characteristics until the wireless call performance, uplink and downlink throughput, bit error rate, etc. meet the target requirements.
- the adaptive control program is also responsible for the selection of which RFLESS adjustment measures are specifically selected.
- the network parameters detected by the current network detection unit and the service parameters detected by the service detection unit are combined to compare before and after the change. Which part of the above four parts plays a major role in the parameter change value of ? If it is related to front-end insertion loss, call the passive adjustment unit first; if it is related to the CA and the bypass circuit in the unit, call the active unit first; if it is related to up and down switching, call the path adjustment unit first; if it is related to antenna performance, give priority to calling Call up the antenna adjustment unit. If the relevant parameters are not obvious or there are many, the above four adjustments can be adjusted one by one, or in combination of two or more, until the network performance requirements are met.
- the L8 RFFLESS passive adjustment unit is connected to the self-adaptive control unit L7, and is set to adjust and control the passive unit's RFFLESS according to the current network conditions and business requirements.
- the L9 RFFLESS active adjustment unit is connected to the self-adaptive control unit L7, and is set to adjust and control the RFLES of the active unit according to the current network conditions and business requirements.
- the L10 RFFLESS line adjustment unit is connected to the self-adaptive control unit L7, and is set to adjust and control the RFLESS of the routing line according to the current network conditions and business requirements.
- the L11 RFFLESS antenna adjustment unit is connected to the adaptive control unit L7, and is set to adjust and control the RFLESs of the antenna unit according to the current network conditions and business requirements.
- This embodiment can solve the problem of low sensitivity of the current radio frequency channel transmission path and configuration through the terminal RFFLESS circuit and algorithm improvement, can reduce system path loss, can improve the balance of each path, enhance signal strength, improve antenna performance, and then improve The user's communication and data service performance to improve the handheld call rate, call drop rate and data service.
- the terminal can perform RFFLESS control on the SRS: since terminals N41 and N78 are 4*4 MIMO, each frequency band will have 4 radio frequency transmission paths, TX, DRX, PRX-MIMO and DRX-MIMO, and N41 corresponds to four Antennas A1, A2, A3, and A4, and N78 correspond to four antennas A5, A6, A7, and A8 respectively; in terms of circuit design, a compatible design is required between the antenna paths of N41 and N78, which is realized by an antenna switch, such as SP2T , 3P3T, 4P4T, etc. When the performance of the N78 antenna is not good, or when the N78 antenna is affected, it can be switched to the corresponding path antenna of the N41.
- an antenna switch such as SP2T , 3P3T, 4P4T, etc.
- the terminal can perform anti-interference RFFLESS control: when LTE B3 is used as the ENDC anchor point, the second harmonic of B3 will fall on the corresponding channel frequency point of the N78 frequency band, which will cause the receiving sensitivity of the N78 to deteriorate, and the N78 and N78
- the path interference unit calculates all the above-mentioned combinations, and then selects the combined path with the least interference as the final ENDC working path.
- the terminal can perform balanced path RFFLESS control: when the N78 is working at high-speed throughput 4*4 MIMO, the signal strength of the four channels must be relatively balanced, otherwise the throughput performance will be reduced due to imbalance.
- the path of NR N78 has seven paths: M1, M2, M3, M4, M5, M6, and M7. If the original default path strengths are R1, R2, R3, and R4, which are unbalanced in comparison, you can switch to more balanced paths R1, R3, R5, and R7 to improve the balance and throughput of each channel.
- This embodiment provides an RFLESS 5G terminal device, which uses a service and interference detection algorithm to calculate the path loss from the chip VCO to each test socket, and can accurately detect the loss of each path, and then collect the received signal strength value , the signal balance of each MIMO, and interference, etc., and select the best internal or external radio frequency path. It can also select the RFLESS transmission path in real time according to the current upper and lower antenna switching situation, left and right hand and grip posture, so that the terminal can always be in the optimal radio frequency and antenna transmission path with low loss and high gain, so as to improve the user's call quality and data throughput performance.
- the embodiment of the present application also relates to a terminal, as shown in FIG. 10 , including: at least one processor 1001; a memory 1002 communicatively connected to the at least one processor; instructions, the instructions are executed by at least one processor 1001 in the method for controlling the transmission path in any of the above-mentioned embodiments.
- the memory 1002 and the processor 1001 are connected by a bus, and the bus may include any number of interconnected buses and bridges, and the bus connects one or more processors 1001 and various circuits of the memory 1002 together.
- the bus may also connect together various other circuits such as peripherals, voltage regulators, and power management circuits, all of which are well known in the art and therefore will not be further described herein.
- the bus interface provides an interface between the bus and the transceivers.
- a transceiver may be a single element or multiple elements, such as multiple receivers and transmitters, providing means for communicating with various other devices over a transmission medium.
- the information processed by the processor 1001 is transmitted on the wireless medium through the antenna.
- the antenna also receives information and transmits the information to the processor 1001 .
- the processor 1001 is responsible for managing the bus and general processing, and may also provide various functions including timing, peripheral interface, voltage regulation, power management and other control functions. Instead, the memory 1002 may be configured to store information used by the processor when performing operations.
- Embodiments of the present application relate to a computer-readable storage medium storing a computer program.
- the above method embodiments are implemented when the computer program is executed by the processor.
- the program is stored in a storage medium, and includes several instructions to make a device ( It may be a single-chip microcomputer, a chip, etc.) or a processor (processor) to execute all or part of the steps of the methods in the various embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc., which can store program codes. .
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Abstract
Description
Claims (10)
- 一种传输路径的控制方法,包括:检测当前终端的业务需求和/或网络特征;根据当前检测到的所述业务需求和/或网络特征,匹配对应的传输路径调整模式;根据匹配的所述传输路径调整模式对射频芯片至天线的传输路径进行调整;其中,调整后的传输路径经过的器件数量小于调整前的传输路径经过的器件数量,或调整后的射频传导路径及走线短于调整前的射频传导路径及走线,或调整后的天线路径对应的天线覆盖频段少于调整前的天线路径对应的天线覆盖频段,所述传输路径包括所述射频传导路径和所述天线路径,所述天线路径用于天线选择。
- 根据权利要求1所述的传输路径的控制方法,其中,所述对射频芯片至天线的传输路径进行的调整包括以下至少之一的调整类型:无源器件的调整;或有源器件的调整;或线路调整;或天线调整。
- 根据权利要求2所述的传输路径的控制方法,其中,所述根据匹配的所述传输路径调整模式对射频芯片至天线的传输路径进行调整,包括:若对射频芯片至天线的传输路径进行的调整包括多个调整类型,则根据匹配的所述传输路径调整模式,获取各所述调整类型的优先级;优先采用优先级最高的调整类型,对所述传输路径进行调整;若调整后的传输路径的性能未满足预设要求,则按优先级从高到低的顺序,采用下一优先级的调整类型,对所述传输路径进行调整,直至调整后的传输路径的性能满足所述预设要求。
- 根据权利要求2所述的传输路径的控制方法,其中,所述根据匹配的所述传输路径调整模式对射频芯片至天线的传输路径进行调整,包括:根据匹配的所述传输路径调整模式,调用预设的射频驱动程序;其中,所述射频驱动程序被设置为对所述传输路径以设定的调整方式进行调整。
- 根据权利要求1所述的传输路径的控制方法,其中,所述根据当前检测到的所述业务需求和/或网络特征,匹配对应的传输路径调整模式,包括:在预设的映射关系中查询与当前检测到的所述业务需求和/或网络特征对应的传输路径调整模式,得到所述匹配的传输路径调整模式;其中,所述映射关系用于存储业务需求和/或网络特征,与传输路径调整模式的对应关系。
- 根据权利要求1至5中任一项所述的传输路径的控制方法,其中,所述业务需求包括以下至少之一:分集模式;或多输入多输出MIMO模式;或多载波聚合CA模式;或非CA模式;或下天线模式;或非下天线模式;或独立组网SA模式;或非独立组网NSA模式;或有谐波互调 干扰模式;或无谐波互调干扰模式;或头手模式;或自由空间模式;或有共存模式;或无共存模式。
- 根据权利要求1至5中任一项所述的传输路径的控制方法,其中,所述网络特征包括网络环境和/或传输路径的路径损耗;其中,所述网络环境包括以下网络参数指标至少之一:工作频段;或工作频点;或无线信号强度;或上下行通话质量;或数据吞吐量;或误码率。
- 一种传输路径的控制装置,包括:检测模块,被设置为检测当前终端的业务需求和/或网络特征;匹配模块,被设置为根据当前检测到的所述业务需求和/或网络特征,匹配对应的传输路径调整模式;调整模块,被设置为根据匹配的所述传输路径调整模式对射频芯片至天线的传输路径进行调整;其中,调整后的传输路径经过的器件数量小于调整前的传输路径经过的器件数量,或调整后的射频传导路径及走线短于调整前的射频传导路径及走线,或调整后的天线路径对应的天线覆盖频段少于调整前的天线路径对应的天线覆盖频段,所述传输路径包括所述射频传导路径和所述天线路径,所述天线路径用于天线选择。
- 一种终端,包括:至少一个处理器;以及,与所述至少一个处理器通信连接的存储器;其中,所述存储器存储有可被所述至少一个处理器执行的指令,所述指令被所述至少一个处理器执行,以使所述至少一个处理器能够执行如权利要求1至7中任一项所述的传输路径的控制方法。
- 一种计算机可读存储介质,存储有计算机程序,其中,所述计算机程序被处理器执行时实现权利要求1至7中任一项所述的传输路径的控制方法。
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US20200343964A1 (en) * | 2019-04-29 | 2020-10-29 | Wilson Electronics, Llc | Adjusting repeater gain based on antenna feedback path loss |
US20210036792A1 (en) * | 2018-04-16 | 2021-02-04 | Commscope Technologies Llc | Real-time propagation analysis for communications systems |
CN112703782A (zh) * | 2018-07-11 | 2021-04-23 | 三星电子株式会社 | 用于车辆到车辆通信中的多天线传输的方法和设备 |
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CN109151969A (zh) * | 2017-06-16 | 2019-01-04 | 中兴通讯股份有限公司 | 发送功率的确定方法及装置、终端 |
US20210036792A1 (en) * | 2018-04-16 | 2021-02-04 | Commscope Technologies Llc | Real-time propagation analysis for communications systems |
CN112703782A (zh) * | 2018-07-11 | 2021-04-23 | 三星电子株式会社 | 用于车辆到车辆通信中的多天线传输的方法和设备 |
US20200343964A1 (en) * | 2019-04-29 | 2020-10-29 | Wilson Electronics, Llc | Adjusting repeater gain based on antenna feedback path loss |
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