CN110048736B - Method for determining multi-antenna control based on scene test and terminal device - Google Patents
Method for determining multi-antenna control based on scene test and terminal device Download PDFInfo
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- CN110048736B CN110048736B CN201910302754.5A CN201910302754A CN110048736B CN 110048736 B CN110048736 B CN 110048736B CN 201910302754 A CN201910302754 A CN 201910302754A CN 110048736 B CN110048736 B CN 110048736B
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- H—ELECTRICITY
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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- H—ELECTRICITY
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B17/20—Monitoring; Testing of receivers
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Abstract
The invention discloses a method for determining multi-antenna control based on scene test, which comprises the following steps: the test signal source transmits a scene test signal to the terminal device through the wireless access point; the terminal device executes a scene test mode, receives a scene test signal from the wireless access point by utilizing the double receiving antennas, obtains the scene test throughput and the scene test physical layer data rate, and stores the relation ratio of the scene test throughput and the scene test physical layer data rate; the terminal device executes the working mode, receives the remote signal from the remote device through the wireless access point to obtain the corresponding working mode throughput and the working mode physical layer data rate, and multiplies the working mode physical layer data rate by the relation ratio to obtain the target throughput; and the terminal device detects whether the working mode throughput is lower than the target throughput, and when the working mode throughput is lower than the target throughput, the terminal device changes the working states of the double receiving antennas. Thereby increasing the data rate.
Description
Technical Field
The present invention relates to a method for determining multi-antenna control and a terminal device, and more particularly, to a method for determining multi-antenna control based on a scenario test and a terminal device.
Background
The wireless transmission throughput of the terminal device in the usage scenario is greatly affected by the environmental changes, and the user may not always experience the transmission performance of the maximum data rate according to the upper limit of the throughput designed by the device when using the terminal device. Moreover, wireless transmission not only requires a digital chip with sufficient processing capability to perform signal encoding and decoding, but also requires a correspondingly improved rf circuit to be matched with an antenna (or antenna system) with sufficient bandwidth and high efficiency. In fact, the practical upper limit of the data transmission rate of the wireless product provided by the wireless product supplier is not limited by the performance limitations of the various rf devices, analog modules and digital modules, but rather is limited by the degree of integration of all the devices and modules hardware in cooperation with the software algorithm.
Conventionally, in a Wireless transmission process, an increase or decrease in a Wireless data transmission rate is mainly determined by a control and channel state (external transmission environment) of a Wireless Chip (Wireless Chip), and a radio frequency element and an antenna element are in a passive status and do not have any control right. Finding a solution to increase the data transfer rate from the wireless chip perspective alone is still limited. The industry is concerned with not only improving the instantaneous maximum transmission rate, but also expecting that a wireless device can improve both the transmission rate and the stability, and also needs to have a scheme capable of improving the wireless communication quality in response to the environmental conditions.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a method for determining multi-antenna control based on scenario test, so as to improve data rate and stability. Another object of the present invention is to provide a terminal device for deciding multi-antenna control based on scenario test.
The technical scheme of the invention is as follows: a method for deciding multi-antenna control based on scenario test, the method being used for a terminal device having a double number of receiving antennas, the method comprising:
the test signal source transmits a scene test signal to the terminal device through the wireless access point;
the terminal device at the test position executes a scene test mode, receives the scene test signal from the wireless access point by using the receiving antennas, obtains a scene test throughput and a scene test physical layer data rate, and stores a relation ratio of the scene test throughput and the scene test physical layer data rate, wherein the receiving antennas have a plurality of working states;
the terminal device at the test position executes a working mode, receives a remote signal from a remote device through the wireless access point to obtain corresponding working mode throughput and a working mode physical layer data rate, and multiplies the working mode physical layer data rate and the relation ratio value to obtain target throughput; and
the terminal device detects whether the working mode throughput is lower than the target throughput, and when the working mode throughput is lower than the target throughput, the terminal device changes the working states of the receiving antennas.
Further, in the step of the terminal device receiving the scene test signal from the wireless access point by using the receiving antennas to execute the scene test mode, the terminal device, the test signal source and the wireless access point are all disposed in a spatial scene, the test signal source and the terminal device are connected with the wireless access point respectively, and the terminal device is disposed in the dual number of test positions in the spatial scene to obtain and store the dual number of scene test throughputs and the dual number of scene test physical layer data rates.
Further, each of the receiving antennas has at least one reflection unit or at least one ground current control unit, and the manner of changing the operating state of the receiving antennas by the terminal device includes controlling the reflection unit or the ground current control unit of one of the receiving antennas; wherein the manner of controlling the reflection unit includes: selecting to conduct a half-wavelength reflector with a diode or to not conduct the diode and to cause an extension loop to extend a path of the half-wavelength reflector with a capacitance; wherein the manner of controlling the ground current control unit comprises: and selecting to conduct the ground current part to the ground through a switch, or selecting not to conduct the switch and connecting a ground capacitor between the ground current part and the ground.
Further, the step of controlling the reflection unit or the ground current control unit of each of the receiving antennas is controlled by a control unit independent of the wireless chip.
Further, in the scenario test mode, the test signal source transmits the scenario test signal to the terminal device through the wireless access point to perform a full load test.
A terminal apparatus for deciding multi-antenna control based on scenario test, comprising:
a plurality of receiving antennas having a plurality of working states and connected to the wireless chip, wherein the test signal source transmits a scene test signal to the terminal device at the test position via the wireless access point;
an application unit connected to the wireless chip, wherein the application unit receives the scene test signal from the wireless access point by using the receiving antennas to execute a scene test mode at the test position, the application unit obtains a scene test throughput and a scene test physical layer data rate, and the application unit stores a relation ratio of the scene test throughput and the scene test physical layer data rate; wherein the application unit receives a remote signal from a remote device through the wireless access point to execute a working mode at the test position to obtain a corresponding working mode throughput and a working mode physical layer data rate, and the application unit multiplies the working mode physical layer data rate by the relation ratio to obtain a target throughput; wherein the application unit detects whether the working mode throughput is lower than the target throughput, and when the working mode throughput is lower than the target throughput, the application unit changes the working states of the receiving antennas; and
and the control unit is connected with the application unit and the receiving antennas and is controlled by the application unit to change the working states of the receiving antennas.
Furthermore, the terminal device, the test signal source and the wireless access point are all arranged in a spatial scene, the test signal source and the terminal device are respectively connected with the wireless access point, and the terminal device is arranged at the even number of test positions in the spatial scene to obtain and store the even number of scene test throughputs and the even number of scene test physical layer data rates.
Further, each of the receiving antennas has at least one reflection unit or at least one ground current control unit, and the manner of changing the operating state of the receiving antennas by the terminal device includes controlling the reflection unit or the ground current control unit of one of the receiving antennas; wherein the manner of controlling the reflection unit includes: selecting to conduct a half-wavelength reflector with a diode or to not conduct the diode and to cause an extension loop to extend a path of the half-wavelength reflector with a capacitance; wherein the manner of controlling the ground current control unit comprises: and selecting to conduct the ground current part to the ground through a switch, or selecting not to conduct the switch and connecting a ground capacitor between the ground current part and the ground.
Further, the control unit is a microcontroller independent of the wireless chip.
Further, in the scenario test mode, the test signal source transmits the scenario test signal to the terminal device through the wireless access point to perform a full load test.
The technical scheme provided by the invention has the advantages that the actual allowable throughput is distinguished through the scene test, so that whether the throughput is further improved relative to the original environment space (in the scene test mode) is detected in the process of the working mode, and the method is obviously beneficial to the long-term average speed and stability improvement of the wireless transmission data rate and has high industrial application value.
Drawings
Fig. 1 is a flowchart of a method for selecting a modulation and coding scheme based on multi-antenna control according to an embodiment of the present invention.
Fig. 2 is a flowchart of sub-steps of step S150 of fig. 1.
Fig. 3 is a schematic diagram of a receiving antenna and a reflecting unit thereof according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a receiving antenna according to another embodiment of the present invention.
Fig. 5 is a block diagram of a terminal device for deciding multi-antenna control based on scenario test according to an embodiment of the present invention.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention thereto.
Referring to fig. 1, the present embodiment provides a method for determining multi-antenna control based on scenario test, which is applied to a terminal device having dual receiving antennas, and the method is stored in firmware or software in the terminal device, and executes an algorithm and a control flow by using an operating system of the terminal device itself. The terminal device is a notebook computer, a laptop computer, a tablet computer, an all-in-one computer or a smart television, and may also have a mimo communication function, but is not limited thereto. The method comprises the following steps. First, in step S110, a test signal source, such as a smart phone or a remote controller, transmits a scene test signal to a terminal device through a wireless Access Point (Access Point). In step S110, the testing signal source and the terminal device are preferably installed in the same spatial scene, such as an office, a parking lot, a restaurant, a house, and a mall. The test signal source and the terminal device can be respectively connected with the wireless access points. The testing signal source can be held by a user, and manual setting or automatic configuration setting can be performed on the terminal device in a remote control mode.
Then, step S120 is performed, in which the terminal device at the testing position executes a scenario test mode, receives a scenario test signal from the wireless access point through the dual receiving antennas (the source of the signal is a test signal source), obtains a scenario test Throughput (TF) and a scenario test physical layer data rate (PF), and stores a relation ratio of the scenario test Throughput (TF) and the scenario test physical layer data rate (PF), i.e., TF/PF, where the dual receiving antennas have dual working states. The step S120 is to complete the test state setting of the terminal device. In detail, step S120 is to test the throughput of the terminal device in the scenario test mode, and preferably, in order to obtain the throughput upper limit value achievable in the scenario, the test signal source transmits the scenario test signal to the terminal device through the wireless access point to perform the full-loading test, so that the throughput upper limit test with the maximum load can be performed reliably. Further, in the step of the terminal device receiving the scenario test signal from the wireless access point by using the dual receiving antennas to execute the scenario test mode, the terminal device, the test signal source and the wireless access point are all disposed in the same spatial scenario, because the terminal device is usually movable, so that the terminal device can be placed in a plurality of different test positions in the spatial scenario. A test may be performed for each test site to obtain and store a double number of scenario test Throughputs (TFs) and a double number of scenario test physical layer data rates (PFs), i.e., a double number of TF/PF values. Moreover, each testing position can also obtain positioning points by the wireless indoor positioning technology, and the data of the positioning points and the corresponding relation ratio can be stored together. In practice, for example, a Look-Up Table (Look-Up Table) may be stored, each datum of the Look-Up Table includes TF, PF, and TF/PF, and if there are even a plurality of test locations, a corresponding anchor point is stored. Furthermore, the derived scenario test Throughput (TF), scenario test physical layer data rate (PF) and relationship ratio (TF/PF) can be obtained by interpolation or extrapolation based on the basic test data.
Then, after step S120, step S130 is performed, in which the terminal device at the test position executes the working mode, receives a remote signal from the remote device through the wireless access point to obtain a corresponding working mode Throughput (TW) and a working mode physical layer data rate (PW), and multiplies the working mode physical layer data rate (PW) by the relation ratio (TF/PF) to obtain a Target Throughput (TT). The Target Throughput (TT) is an ideal upper limit of throughput obtained in the scene test mode, and can be formulated as: TT ═ PW × TF/PF.
After step S130, proceeding to step S140, the terminal device detects whether the operation mode Throughput (TW) is lower than the Target Throughput (TT). When the operation mode Throughput (TW) is lower than the Target Throughput (TT), the terminal apparatus changes the operation states of the dual reception antennas in step S150. In contrast, when the operation mode Throughput (TW) is higher than or equal to the Target Throughput (TT), the terminal apparatus does not need to change the operation states of the dual number of receiving antennas, and returns to step S140.
The present invention is based on the objective of making wireless communication more efficient (increasing data rate), and uses a plurality of receiving antennas with a plurality of operating states, each receiving antenna has a plurality of radiation states, and the operating states of the receiving antennas are changed to change the radiation states. In other words, the operation states of the receiving antennas are controlled to realize a plurality of radiation patterns (each operation state of each receiving antenna has a different radiation pattern), so as to achieve different wireless receiving performances. Under general application conditions, according to the reciprocity theorem (reciprocity term), the radiation state is equal to the receiving state, and usually, a developer can analyze the radiation state as a development means. The present invention is based on the object of enabling mimo communication to achieve better performance (data rate enhancement), and uses an antenna with dual radiation states. For example, the first reception antenna ATA has a double number of radiation states RA1, RA2, RA3 …, the second reception antenna ATB has a double number of radiation states RB1, RB2, RB3 …, the third reception antenna ATC has a double number of radiation states RC1, RC2, RC3 …, and so on to the radiation state of the nth reception antenna ATN. The embodiment of changing the radiation state of the receiving antenna will be further described in the following fig. 2.
Referring to fig. 1 and fig. 2, the step (S150) of the terminal device for changing the operating states of the dual receiving antennas further includes steps S151 and S152 of fig. 2, where each of the dual receiving antennas has at least one reflection unit or at least one ground current control unit for controlling the at least one reflection unit or the at least one ground current control unit of each receiving antenna to change the operating states of the receiving antennas. Step S151 is performed in parallel with or alternatively to step S152. In step S151, at least one reflection unit of each receiving antenna is controlled to change the operating state of the receiving antenna. In step S152, at least one current control unit of each receiving antenna is controlled to change the operating state of the receiving antenna. Preferably, the step of controlling at least one reflection unit or at least one current control unit of each receiving antenna is controlled by a control unit independent of the wireless chip (of the terminal device itself), such as a micro-controller (MCU), which executes steps S151 and S152 according to the output command of the algorithm result of the operating system of the terminal device itself.
In step S151 and step S152, the manner of controlling the reflection unit is one control manner, and the manner of controlling the ground current element is the other control manner. Referring to the antenna and the reflection unit structure of fig. 3, the reflection unit is, for example, a half-wavelength reflector, and the receiving antenna is, for example, a half-wavelength dipole antenna, in the manner of controlling the reflection unit of the receiving antenna, at least one or more than two reflection units 11 of the receiving antenna 1 are preferred, for example, one half-wavelength reflector 111 is on the left side and the other half-wavelength reflector 112 is on the right side of fig. 3, so as to generate even-numbered radiation states of the receiving antenna 1. The control mode of the embodiment of fig. 3 includes: for the half-wavelength reflector 111 on the left side, the diode 111a is selected to conduct the half-wavelength reflector 111 so that the half-wavelength reflector 111 performs a half-wavelength reflection function. Alternatively, the half-wavelength reflector 111 is prevented from having the half-wavelength reflection function by selecting the extension circuit 111b to extend the path of the half-wavelength reflector 111 by the capacitor 111c without turning on the diode 111 a. For the half-wavelength reflector 112 on the right side, the diode 112a is selected to conduct the half-wavelength reflector 112 so that the half-wavelength reflector 112 performs a half-wavelength reflection function. Alternatively, the diode 112a is selected to be turned off and the extension circuit 112b extends the path of the half-wavelength reflector 112 using the capacitor 112c so that the half-wavelength reflector 112 does not perform the half-wavelength reflection function.
For an exemplary embodiment of the ground current control unit, taking two receiving antennas as an example, referring to fig. 4, the ground current control unit 211 and the ground current control unit 221 are used to connect to the ground G, the first receiving antenna 21 and the second receiving antenna 22 are exemplified by an inverted F-shaped flat antenna (PIFA), in the way of controlling the ground current control unit 211 of the first receiving antenna 21, the ground current control unit 211 of the first receiving antenna 21 preferably needs at least one or more than two components, such as the ground current portion 211a and the ground current portion 211b of fig. 4, to generate the radiation states of the dual types of first receiving antennas 21 by changing the ground current close to the first receiving antenna 21. The control method of the embodiment of fig. 4 includes: as for the ground current portion 211a, the switch 212a is selected to conduct the ground current portion 211a to the ground G, or the switch 212a is selected not to be conducted and the ground capacitor 213a is connected between the ground current portion 211a and the ground G, and the ground current portion 211a in fig. 4 uses not only the ground capacitor 213a but also the ground capacitor 213b to be connected to the ground G. In addition, the ground current portion 211b is selectively turned on by the switch 212b to the ground G, or the switch 212b is selectively turned off and the ground capacitor 213b is connected between the ground current portion 211b and the ground G.
With continued reference to fig. 4, for the second receiving antenna 22, the ground current control unit 221 preferably needs at least one or more than two components, such as one ground current part 221a and another ground current part 221b of fig. 4, to generate even-numbered radiation states of the second receiving antenna 22 by changing the ground current near the second receiving antenna 22. Like the ground current control unit 211, the ground current control unit 221 is controlled in a manner including: the ground current part 221a in fig. 4 uses not only the ground capacitor 223a but also the ground capacitor 223b to connect to the ground G by selecting to turn on the ground current part 221a to the ground G with the switch 222a or selecting to turn off the switch 222a and connecting the ground capacitor 223a between the ground current part 221a and the ground G. Further, the switch 222b is selected to conduct the ground current portion 221b to the ground G, or the switch 222b is selected to be not conducted and the ground capacitor 223b is connected between the ground current portion 221b and the ground G. However, the structure of the second receiving antenna 22 is not necessarily the same as that of the first receiving antenna 21, and the ground current control unit 221 is not necessarily the same as that of the ground current control unit 211. The switches 212a, 212b, 222a, and 222b are implemented by, for example, diodes, but are not limited thereto.
Based on the above method, the present embodiment provides a terminal device for determining multi-antenna control based on scene test, wherein the terminal device may be a notebook computer, a laptop computer, a tablet computer, a all-in-one computer, or a smart tv, and may also have a mimo communication function, but is not limited thereto. Referring to fig. 5, the terminal device 700 of the present embodiment includes: a double number of receiving antennas (31 to 3N in fig. 5, N being a positive integer greater than 2), an application unit 4, a control unit 5, and a wireless chip 6. A plurality of receiving antennas (31 to 3N) are connected to the wireless chip 6. The test signal source 800 transmits a scene test signal Fn to the terminal device 700 located at the test position via the wireless access point 900. The application unit 4 is connected to the wireless chip 6, wherein the application unit 4 uses a plurality of receiving antennas (31 to 3N) to receive the scenario test signal Fn from the wireless access point 900 to execute the scenario test mode at the test position, and the application unit 4 stores a relation ratio (TF/PF) of a scenario test Throughput (TF) and a scenario test physical layer data rate (PF). Further, the terminal device 700, the test signal source 800 and the wireless access point 900 are all disposed in the same spatial scene, and the test signal source 800 and the terminal device 700 are connected to the wireless access point 900 respectively. Preferably, in the scene test mode, the test signal source 800 transmits a scene test signal Fn to the terminal device 700 through the wireless access point 900 to perform a full-load test.
Further, the application unit 4 receives a remote signal Fr from the remote device 999 using the wireless access point 900 to execute the operation mode at the test position, the application unit 4 obtains an operation mode Throughput (TW), and the application unit 4 multiplies the operation mode physical layer data rate (PW) by the relation ratio (TF/PF) to obtain a Target Throughput (TT): TT ═ PW × TF/PF. Further, for the case that terminal device 700 may shift in a spatial scenario as usage requires (terminal device may move), terminal device 700 is disposed at a double number of test positions of the spatial scenario to obtain and store a double number of scenario test Throughputs (TFs) and a double number of scenario test physical layer data rates (PFs). Furthermore, the application unit 4 detects whether the operation mode Throughput (TW) is lower than the Target Throughput (TT), and when the operation mode Throughput (TW) is lower than the Target Throughput (TT), the application unit 4 changes the operation states of the double number of reception antennas. The control unit 5 is connected to the application unit 4 and the dual receiving antennas (31 to 3N), and the control unit 5 is controlled by the application unit 4 to change the operating states of the dual receiving antennas (31 to 3N).
Furthermore, as for the way of changing the working state of the receiving antennas (31 to 3N), for example, the control unit 5 controls at least one reflection unit or at least one current control unit of each receiving antenna (31 to 3N) to change the working state of each receiving antenna (31 to 3N). The control unit 5 is independent of the wireless chip 6 and is, for example, a microcontroller. When the control unit 5 controls at least one reflection unit of the receiving antenna, the control unit 5 controls the diode to selectively conduct the half-wavelength reflector or to selectively not conduct the diode and make the extension loop extend the path of the half-wavelength reflector by using the capacitance, similar to the embodiment of fig. 3. When the control unit 5 controls at least one ground current control unit of the receiving antenna, the control unit 5 controls the switch to selectively turn on the ground current portion to the ground, or to selectively turn off the switch and connect the ground capacitor between the ground current portion and the ground, similar to the embodiment of fig. 4.
In summary, embodiments of the present invention provide a method and a terminal device for determining multi-antenna control based on a scenario test, which differentiate actual allowable throughput through the scenario test, so as to detect whether the throughput is further improved in comparison with the original environment space (in the scenario test mode) during the working mode, thereby significantly contributing to the improvement of long-term average speed and stability of the wireless data transmission rate, and having a high industrial application value. In addition, as for the mode of changing the working state of the receiving antenna, the radiation state control of the receiving antenna is controlled by utilizing a reflector or grounding current, and the purpose of realizing the controllable multi-antenna efficiency is achieved.
Claims (10)
1. A method for deciding multi-antenna control based on scenario test, the method being used for a terminal device having a double number of receiving antennas, the method comprising:
the test signal source transmits a scene test signal to the terminal device through the wireless access point;
the terminal device at the test position executes a scene test mode, receives the scene test signal from the wireless access point by using the receiving antennas, obtains a scene test throughput and a scene test physical layer data rate, and stores a relation ratio of the scene test throughput and the scene test physical layer data rate, wherein the receiving antennas have a plurality of working states;
the terminal device at the test position executes a working mode, receives a remote signal from a remote device through the wireless access point to obtain corresponding working mode throughput and a working mode physical layer data rate, and multiplies the working mode physical layer data rate and the relation ratio value to obtain target throughput; and
the terminal device detects whether the working mode throughput is lower than the target throughput, and when the working mode throughput is lower than the target throughput, the terminal device changes the working states of the receiving antennas.
2. The method according to claim 1, wherein in the step of the terminal device receiving the scene test signals from the wireless access point via the receiving antennas to execute the scene test mode, the terminal device, the test signal source and the wireless access point are all disposed in a spatial scene, the test signal source and the terminal device are respectively connected to the wireless access point, and the terminal device is disposed at two test locations of the spatial scene to obtain and store two scene test throughputs and two scene test physical layer data rates.
3. The method of claim 1, wherein each of the receiving antennas has at least one reflection unit or at least one ground current control unit, and the terminal device changes the operation state of the receiving antennas by controlling the reflection unit or the ground current control unit of one of the receiving antennas; wherein the manner of controlling the reflection unit includes: selecting to conduct a half-wavelength reflector with a diode or to not conduct the diode and to cause an extension loop to extend a path of the half-wavelength reflector with a capacitance; wherein the manner of controlling the ground current control unit comprises: and selecting to conduct the ground current part to the ground through a switch, or selecting not to conduct the switch and connecting a ground capacitor between the ground current part and the ground.
4. The method for deciding multi-antenna control based on scenario test of claim 3, wherein the step of controlling the reflection unit or the ground current control unit of each of the receiving antennas is controlled by a control unit independent of a wireless chip.
5. The method of claim 1, wherein in the scenario-test mode, the test signal source sends the scenario-test signal to the terminal device via the wireless access point to perform a full-loading test.
6. A terminal apparatus for deciding multi-antenna control based on scenario test, comprising:
a plurality of receiving antennas having a plurality of working states and connected to the wireless chip, wherein the test signal source transmits a scene test signal to the terminal device located at the test position via the wireless access point;
an application unit connected to the wireless chip, wherein the application unit receives the scene test signal from the wireless access point by using the receiving antennas to execute a scene test mode at the test position, the application unit obtains a scene test throughput and a scene test physical layer data rate, and the application unit stores a relation ratio of the scene test throughput and the scene test physical layer data rate; wherein the application unit receives a remote signal from a remote device through the wireless access point to execute a working mode at the test position to obtain a corresponding working mode throughput and a working mode physical layer data rate, and the application unit multiplies the working mode physical layer data rate by the relation ratio to obtain a target throughput; wherein the application unit detects whether the working mode throughput is lower than the target throughput, and when the working mode throughput is lower than the target throughput, the application unit changes the working states of the receiving antennas; and
and the control unit is connected with the application unit and the receiving antennas and is controlled by the application unit to change the working states of the receiving antennas.
7. The device of claim 6, wherein the terminal device, the test signal source and the wireless access point are all disposed in a spatial scenario, and the test signal source and the terminal device are respectively connected to the wireless access point, and the terminal device is disposed at two test positions of the spatial scenario to obtain and store two scenario test throughputs and two scenario test physical layer data rates.
8. The terminal device for determining multi-antenna control based on scenario test of claim 7, wherein each of the receiving antennas has at least one reflection unit or at least one ground current control unit, and the manner of changing the operation status of the receiving antennas by the terminal device comprises controlling the reflection unit or the ground current control unit of one of the receiving antennas; wherein the manner of controlling the reflection unit includes: selecting to conduct a half-wavelength reflector with a diode or to not conduct the diode and to cause an extension loop to extend a path of the half-wavelength reflector with a capacitance; wherein the manner of controlling the ground current control unit comprises: and selecting to conduct the ground current part to the ground through a switch, or selecting not to conduct the switch and connecting a ground capacitor between the ground current part and the ground.
9. The scenario-based terminal apparatus for deciding multi-antenna control according to claim 8, wherein the control unit is a microcontroller independent from the wireless chip.
10. The terminal device for determining multi-antenna control based on scene test of claim 6, wherein in the scene test mode, the test signal source sends the scene test signal to the terminal device through the wireless access point to perform full-loading test.
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| CN100452688C (en) * | 2003-06-27 | 2009-01-14 | 上海贝尔阿尔卡特股份有限公司 | Self-adaptive modulating and coding method and device based on channel information second order statistics |
| TWI474632B (en) * | 2011-08-24 | 2015-02-21 | Realtek Semiconductor Corp | Wireless communication circuit supporting antenna diversity and related computer program product |
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