CN109819450B - Signal receiving method, device and terminal - Google Patents
Signal receiving method, device and terminal Download PDFInfo
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- CN109819450B CN109819450B CN201910129161.3A CN201910129161A CN109819450B CN 109819450 B CN109819450 B CN 109819450B CN 201910129161 A CN201910129161 A CN 201910129161A CN 109819450 B CN109819450 B CN 109819450B
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Abstract
The invention provides a signal receiving method, a signal receiving device and a signal receiving terminal, and relates to the technical field of communication. The signal receiving method comprises the following steps: under the condition that the first signal transceiver module is in a signal receiving state, acquiring a first value of a received signal quality index of the first signal transceiver module in a signal receiving state of the second signal transceiver module, and acquiring a second value of the received signal quality index of the first signal transceiver module in a signal transmitting state of the second signal transceiver module; and controlling the transmitting power of the second signal receiving and transmitting module in the signal transmitting state according to the difference value between the first value and the second value. According to the embodiment of the invention, the transmitting power of the second signal receiving and transmitting module in the signal transmitting state is controlled, so that the transmitting power of the second signal receiving and transmitting module can be in a preset range, and the problem that signal interference cannot be effectively avoided or the transmitting signal of the interference source is turned off and communication of the interference source cannot be ensured is solved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a terminal for receiving a signal.
Background
Some frequency bands defined in the third generation partnership project (Third Generation Partnership Project,3 GPP) overlap or have similar frequencies to those defined by Wireless networks (WiFi), and when the two frequency bands operate simultaneously, serious interference exists, and related radio frequency devices may be damaged, so that unrecoverable function is disabled. At present, a related filter is usually added to a 2.4G frequency band in the industry, so that a part of interference can be restrained, for example, a filter is arranged on a transmitting and receiving path of a long term evolution (Long Term Evolution, LTE) B40, and a filter is also arranged on a transmitting and receiving path of a WiFi 2.4G; for the 5G frequency band, the communication frequency is higher and the communication bandwidth is generally above hundred megabytes, so that the related filter is difficult to realize better performance, for example, at present, no good filter is used for realizing enough isolation between the new 5G air interface (5G New Radio,5G NR) n79 and the WiFi 5G, so that a software management mode is generally adopted for processing, for example, the receiving of the WiFi 5G is closed when the 5G NR transmitting channel works, and the receiving of the 5G NR is closed when the WiFi 5G transmitting channel works.
In general, the central processing unit (Central Processing Unit, CPU) can control the WiFi 5G transmitting device and the 5G NR receiving device simultaneously through the control line, if the control line logic level is high, the WiFi 5G is in the transmitting state, and the 5G NR is in the receiving off state; when the control line logic level is low, wiFi 5G is in the transmit off state and 5G NR is in the receive state. Or, when the WiFi 5G portion includes two radio frequency front ends, that is, two transmitting paths, respectively controlled by the control line 1 and the control line 2, and meanwhile an or circuit is added, the working state is as follows: when either logic level of the control line 1 or the control line 2 is high, the OR gate output is high, namely the WiFi path 1 or the WiFi path 2 is in a transmitting state, and the 5G NR is in a receiving off state; when the logic levels of the control line 1 and the control line 2 are all high, the OR gate output is high, namely the WiFi path 1 and the WiFi path 2 are both in a transmitting state, and the 5G NR is in a receiving off state; when the logic levels of control line 1, control line 2 are all low, the OR gate output is low, i.e., wiFi path 1 and WiFi path 2 are in the transmit off state, and 5G NR is in the receive state. However, the method adopts the method that the 5G NR is completely closed when the WiFi is transmitted, and meanwhile, the WiFi is completely closed when the 5G NR is transmitted, so that the method can effectively avoid the interference and the damage of radio frequency devices, but the whole communication rate of the 5G NR and the WiFi 5G is sacrificed, and the user satisfaction is reduced. And, when the partial frequency band of 5G NR is transmitted with low power, the influence on the WiFi 5G frequency band is insufficient, and the WiFi 5G receiving channel is still forcibly closed at the moment, so that more surplus is generated, and the communication capacity is wasted.
Therefore, a method, an apparatus and a terminal for signal reception are needed to avoid a processing mechanism of coexistence interference between communication systems such as LTE/5G NR and WiFi, and to ensure communication of an interference source, and at the same time, not affect other communication paths.
Disclosure of Invention
The embodiment of the invention provides a signal receiving method, a signal receiving device and a signal receiving terminal, which are used for solving the problem that signal interference cannot be effectively avoided or communication of an interference source cannot be ensured by turning off a transmitting signal of the interference source.
In order to solve the technical problems, the embodiment of the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a method for receiving a signal, which is applied to a terminal, where the terminal includes a first signal transceiver module that operates in a first frequency band and a second signal transceiver module that operates in a second frequency band, where the first frequency band and the second frequency band have partial overlap, and the method includes:
under the condition that the first signal transceiver module is in a signal receiving state, acquiring a first value of a received signal quality index of the first signal transceiver module in the signal receiving state of the second signal transceiver module, and acquiring a second value of a received signal quality index of the first signal transceiver module in the signal transmitting state of the second signal transceiver module;
And controlling the transmitting power of the second signal receiving and transmitting module in a signal transmitting state according to the difference value between the first value and the second value.
In a second aspect, an embodiment of the present invention further provides a signal receiving apparatus, which is applied to a terminal, where the terminal includes a first signal transceiver module operating in a first frequency band and a second signal transceiver module operating in a second frequency band, where the first frequency band and the second frequency band have partial overlap, and the apparatus includes:
the acquisition module is used for acquiring a first value of a received signal quality index of the first signal transceiver module in a signal receiving state and acquiring a second value of a received signal quality index of the first signal transceiver module in a signal transmitting state under the condition that the first signal transceiver module is in the signal receiving state;
and the control module is used for controlling the transmitting power of the second signal receiving and transmitting module in a signal transmitting state according to the difference value between the first numerical value and the second numerical value.
In a third aspect, an embodiment of the present invention further provides a terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the method for signal reception as described above when executed by the processor.
In the embodiment of the invention, under the condition that the first signal transceiver module is in a signal receiving state, a first value of a received signal quality index of the first signal transceiver module in the signal receiving state of the second signal transceiver module is obtained, and a second value of a received signal quality index of the first signal transceiver module in the signal transmitting state of the second signal transceiver module is obtained; according to the difference between the first value and the second value, the transmitting power of the second signal transceiver module in the signal transmitting state is controlled, and under the condition that the first signal transceiver module is in the signal receiving state and the second signal transceiver module is in the signal transmitting state, the transmitting power of the second signal transceiver module in the signal transmitting state is controlled, so that the transmitting power of the second signal transceiver module can be in a preset range, interference of transmitting signals and damage of radio frequency devices are avoided, and the whole communication capability can be ensured without turning off transmitting signals of an interference source.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic flow chart of a signal receiving method according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 3 is a block diagram of an apparatus for signal reception according to an embodiment of the present invention;
fig. 4 is a schematic hardware structure of a terminal according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a signal receiving method, which is applied to a terminal, where the terminal includes a first signal transceiver module operating in a first frequency band and a second signal transceiver module operating in a second frequency band, where the first frequency band and the second frequency band have partial overlap, and the method includes:
step S11, when the first signal transceiver module is in the signal receiving state, obtaining a first value of a received signal quality index of the first signal transceiver module in the signal receiving state of the second signal transceiver module, and obtaining a second value of a received signal quality index of the first signal transceiver module in the signal transmitting state of the second signal transceiver module.
The first value is a value of a received signal quality index of the first signal transceiver module when the second signal transceiver module does not cause signal interference to the first signal transceiver module under the condition that the first signal transceiver module is in a signal receiving state; the second value is a value of a received signal quality index of the first signal transceiver module when the second signal transceiver module may cause signal interference to the first signal transceiver module in a signal receiving state of the first signal transceiver module.
In the step S11, the method may further include:
and detecting the communication state of the first signal receiving and transmitting module every interval for a preset duration.
Detecting whether the first signal transceiver module is in a communication state of a signal receiving state or not, and entering step S11 when detecting that the communication state of the first signal transceiver module is in the signal receiving state; when the communication state of the first signal transceiver module is detected to be not in the signal receiving state, the communication state of the first signal transceiver module needs to be continuously detected. The preset duration is duration for repeatedly detecting the communication state of the first signal transceiver module, so that the communication state can be detected in real time, the transmitting power of the second signal transceiver module can be dynamically adjusted, the communication capacity of the second signal transceiver module can be ensured, and the interference influence of the second signal transceiver module on the first signal transceiver module can be eliminated.
In step S11, the received signal quality indicator may be a received signal strength, a signal-to-interference ratio, a bit error rate, or a block error rate.
The received signal strength may be represented by a received signal strength indicator (Received Signal Strength Indication, RSSI).
And step S12, controlling the transmitting power of the second signal receiving and transmitting module in a signal transmitting state according to the difference value between the first value and the second value.
In the above embodiment of the present invention, when the first signal transceiver module is in a signal receiving state and the second signal transceiver module is in a signal transmitting state, the transmitting power of the second signal transceiver module in the signal transmitting state is controlled, so that the transmitting power of the second signal transceiver module can be within a preset range, interference of transmitting signals and damage of radio frequency devices are avoided, and the transmitting signals of an interference source are not required to be turned off, so that the overall communication capability can be ensured.
The step S12 specifically includes:
obtaining a third value for the difference; the third value is: log of 10 M; wherein M is the difference between the first and second values; when the third value is larger than the first threshold value, gradually reducing the transmitting power of the second signal receiving and transmitting module by a first stepping value; at the third value less than or equal to the first gate And when the limit value is reached, the transmitting power of the second signal receiving and transmitting module is gradually increased by a second stepping value.
The first threshold is a value for determining whether the interference of the transmitting signal of the second signal transceiver module to the receiving signal of the first signal transceiver module is within an acceptable range, if the third value is greater than the first threshold, the transmitting signal of the second signal transceiver module has great influence on the receiving signal, and the transmitting power of the second signal transceiver module needs to be controlled to be gradually reduced by a first step value.
In the above embodiment of the present invention, the first step value is larger than the second step value.
The first step value may be 5dB, so that the transmitting power of the second signal transceiver module may be reduced by a larger step value, so as to prevent the transmitting signal of the second signal transceiver module from causing long-time interference to damage related devices on the first signal transceiver module; the second step value may be 1dB, so that the transmitting power of the second signal transceiver module may be increased by a smaller step value, and the overall communication capability may be improved.
In the above embodiment of the present invention, the first signal transceiver module is one of a 5G new air interface NR signal transceiver module and a wireless network WiFi signal transceiver module, and the second signal transceiver module is the other one of the 5G new air interface NR signal transceiver module and the wireless network WiFi signal transceiver module.
The following description will be given by taking the received signal quality indicator as an example of the received signal strength:
as shown in fig. 2, the terminal may include: a CPU; the 5G NR signal receiving and transmitting module is connected with the CPU; and the WiFi signal receiving and transmitting module is connected with the CPU. The 5G NR signal receiving and transmitting module transmits signals through a 5G NR amplifier, a first filter and a first switch respectively under the condition of a signal transmitting state; and under the condition that the 5G NR signal transceiver module is in a signal receiving state, signals are received through the first switch, the second filter and the 5G NR low noise amplifier respectively. Similarly, the WiFi signal transceiver module transmits signals through the WiFi amplifier, the third filter and the second switch respectively under the condition of a signal transmission state; and under the condition that the WiFi signal receiving and transmitting module is in a signal receiving state, signals are received through the second switch, the fourth filter and the WiFi low-noise amplifier respectively.
The 5G NR signal transceiver module may include a first modem and a first radio frequency transceiver; the WiFi signal transceiver module may include a second modem and a second radio frequency transceiver; the 5G NR synchronization signal and the WiFi synchronization signal are used for indicating whether the wireless communication device is in a state of transmitting radio frequency signals or receiving radio frequency signals. The 5G NR synchronization signal may be output by the first switch, the 5G NR amplifier, or the first radio frequency transceiver, and the WiFi synchronization signal may be output by the second switch, the WiFi amplifier, or the second radio frequency transceiver. The first radio frequency transceiver and the second radio frequency transceiver can be used for converting radio frequency signals into down-conversion, the radio frequency signals are sent to the CPU, and the CPU can convert the radio frequency signals into text representations, so that the text representations represent the overall received signal strength of the whole receiving path in the frequency band.
When the first signal transceiver module is a 5G NR signal transceiver module and the second transceiver module is a WiFi signal transceiver module, the step S11 specifically includes:
when the 5G NR signal transceiver module is in a signal receiving state, acquiring a first received signal strength indication RSSI of the 5G NR signal transceiver module when the WiFi signal transceiver module is in the signal receiving state 1 The method comprises the steps of carrying out a first treatment on the surface of the And acquiring a second received signal strength indication RSSI of the 5G NR signal transceiver module in a signal transmitting state of the WiFi signal transceiver module 2 。
Detecting a communication state of the 5G NR signal transceiver module at each preset time interval, wherein the 5G NR signal transceiver module can switch between two states of signal receiving and signal transmitting, and when the 5G NR signal transceiver module is in a signal receiving state, the 5G NR signal transceiver module comprisesThe 5G NR synchronous signal outputs a low level, and at the moment, the communication state of the WiFi signal receiving and transmitting module can be detected; if the WiFi synchronization signal is in a low-level state, the WiFi signal transceiver module is in a signal receiving state, and the first radio frequency transceiver can collect a first received signal strength indication RSSI in the current state (namely, the received signal state of the 5G NR signal transceiver module and the received signal state of the WiFi signal transceiver module) 1 And the RSSI is used for 1 Sending to the CPU; if the detected WiFi synchronization signal is in a high-level state, the WiFi signal transceiver module is in a signal transmission state, and the first radio frequency transceiver can acquire a second received signal strength indication RSSI in the current state (namely, the received signal state of the 5G NR signal transceiver module and the transmitted signal state of the WiFi signal transceiver module) 2 And the RSSI is used for 2 And sending the data to the CPU.
When the RSSI is 1 And RSSI 2 When all are detected, in said step S12, a third value log concerning said difference is obtained 10 |RSSI 1 -RSSI 2 I (I); when the third numerical value is larger than a first threshold value, gradually reducing the transmitting power of the WiFi signal transceiver module by a first stepping value; and when the third value is smaller than or equal to the first threshold value, gradually increasing the transmitting power of the WiFi signal transceiver module by a second stepping value.
The difference value is used for judging whether the transmitting signal of the WiFi signal receiving and transmitting module is interfered by a signal or not; the first threshold is used for judging whether the interference of the transmitting signal of the WiFi signal transceiver module to the receiving signal of the 5GNR signal transceiver module is within an acceptable range, if the third value is greater than the first threshold, the transmitting signal of the WiFi signal transceiver module has great interference to the receiving signal of the 5G NR signal transceiver module, the influence on the receiving signal is great, and the transmitting power of the WiFi signal transceiver module needs to be controlled to be gradually reduced by a first step value; wherein the first step value may be 5dB. If the third value is smaller than or equal to the first threshold value, the interference of the transmitting signal of the WiFi signal transceiver module on the receiving signal of the 5G NR signal transceiver module is small, the influence on the receiving signal is small, and the transmitting power of the WiFi signal transceiver module can be controlled to increase gradually with a second step value; wherein the second step value may be 1dB. The first step value and the second step value may be set to different values as desired.
When the first signal transceiver module is a WiFi signal transceiver module and the second transceiver module is a 5GNR signal transceiver module, the step S11 specifically includes:
when the WiFi signal transceiver module is in a signal receiving state, acquiring a third received signal strength indication RSSI of the WiFi signal transceiver module in the 5G NR signal transceiver module in the signal receiving state 3 The method comprises the steps of carrying out a first treatment on the surface of the And acquiring a fourth received signal strength indication RSSI of the WiFi signal transceiver module in a signal transmitting state of the 5G NR signal transceiver module 4 。
Detecting the communication state of the WiFi signal transceiver module every preset time, wherein the WiFi signal transceiver module can switch between two states of signal receiving and signal transmitting, and when the WiFi signal transceiver module is in a signal receiving state, the WiFi synchronous signal outputs a low level, and at the moment, the communication state of the 5G NR signal transceiver module can be detected; if the 5G NR synchronization signal is in a low level state, the 5G NR signal transceiver module is in a signal receiving state, and the second RF transceiver may collect a third received signal strength indication RSSI in the current state (i.e. the received signal state of the WiFi signal transceiver module and the received signal state of the 5G NR signal transceiver module) 3 And the RSSI is used for 3 Sending to the CPU; if the detected 5G NR synchronization signal is in a high level state, the 5G NR signal transceiver module is in a signal transmitting state, and the second RF transceiver may collect a fourth received signal strength indication RSSI in the current state (i.e. the received signal state of the WiFi signal transceiver module and the transmitted signal state of the 5G NR signal transceiver module) 4 And the RSSI is used for 4 And sending the data to the CPU.
When the RSSI is 3 And RSSI 4 When all are detected, in said step S12, a third value log concerning said difference is obtained 10 |RSSI 3 -RSSI 4 I (I); when the third value is larger than the first threshold value, gradually reducing the transmitting power of the 5G NR signal receiving and transmitting module by a first stepping value; and when the third value is smaller than or equal to the first threshold value, gradually increasing the transmitting power of the 5G NR signal transceiver module by a second stepping value.
Wherein, the difference value is used for judging whether the transmitting signal of the 5G NR signal receiving and transmitting module is interfered by the signal; the first threshold is used for judging whether the interference of the transmitting signal of the 5G NR signal transceiver module to the receiving signal of the WiFi signal transceiver module is within an acceptable range, if the third value is greater than the first threshold, the transmitting signal of the 5G NR signal transceiver module has great interference to the receiving signal of the WiFi signal transceiver module, the influence on the receiving signal is great, and the transmitting power of the 5G NR signal transceiver module needs to be controlled to be gradually reduced by a first step value; wherein the first step value may be 5dB. If the third value is smaller than or equal to the first threshold value, the interference of the transmitting signal of the 5G NR signal transceiver module on the receiving signal of the WiFi signal transceiver module is small, the influence on the receiving signal is small, and the transmitting power of the 5G NR signal transceiver module can be controlled to be increased gradually by a second step value; wherein the second step value may be 1dB. The first step value and the second step value may be set to different values as desired. The first threshold may be different values according to different settings of the first signal transceiver module being a 5G new air interface NR signal transceiver module or the first signal transceiver module being a wireless network WiFi signal transceiver module.
As shown in fig. 3, the embodiment of the present invention further provides a signal receiving apparatus, which is applied to a terminal, where the terminal includes a first signal transceiver module operating in a first frequency band and a second signal transceiver module operating in a second frequency band, where the first frequency band and the second frequency band have partial overlapping, and the apparatus includes:
an obtaining module 301, configured to obtain, when the first signal transceiver module is in a signal receiving state, a first value of a received signal quality indicator of the first signal transceiver module in a signal receiving state of the second signal transceiver module, and obtain a second value of a received signal quality indicator of the first signal transceiver module in a signal transmitting state of the second signal transceiver module;
and the control module 302 is configured to control the transmitting power of the second signal transceiver module in the signal transmitting state according to the difference between the first value and the second value.
In the above embodiment of the present invention, when the first signal transceiver module is in a signal receiving state and the second signal transceiver module is in a signal transmitting state, the transmitting power of the second signal transceiver module in the signal transmitting state is controlled, so that the transmitting power of the second signal transceiver module can be within a preset range, interference of transmitting signals and damage of radio frequency devices are avoided, and the transmitting signals of an interference source are not required to be turned off, so that the overall communication capability can be ensured. Wherein the acquisition module 301 and the control module 302 are included inside the terminal 300. The received signal quality index is the received signal strength, the signal-to-interference ratio, the bit error rate or the block error rate. The received signal strength may be represented by RSSI.
In the acquiring module 301, the first value is a value of a received signal quality indicator of the first signal transceiver module when the second signal transceiver module does not cause signal interference to the first signal transceiver module in a signal receiving state of the first signal transceiver module; the second value is a value of a received signal quality index of the first signal transceiver module when the second signal transceiver module may cause signal interference to the first signal transceiver module in a signal receiving state of the first signal transceiver module.
In a specific embodiment of the present invention, the apparatus further comprises:
and the detection device is used for detecting the communication state of the first signal receiving and transmitting module every interval for a preset time length.
Detecting whether the first signal receiving and transmitting module is in a communication state of a signal receiving state or not, and acquiring the first value and the second value by the acquisition module when detecting that the communication state of the first signal receiving and transmitting module is in the signal receiving state; and when the communication state of the first signal receiving and transmitting module is detected to be in the signal receiving state, continuing to detect the communication state of the first signal receiving and transmitting module. The preset duration is duration for repeatedly detecting the communication state of the first signal transceiver module, so that the communication state can be detected in real time, the transmitting power of the second signal transceiver module can be dynamically adjusted, the communication capacity of the second signal transceiver module can be ensured, and the interference influence of the second signal transceiver module on the first signal transceiver module can be eliminated.
In one embodiment of the present invention, the control module 302 includes:
a first acquisition unit configured to acquire a third numerical value concerning the difference; wherein the third value is: log of 10 M is the difference;
the first control unit is used for gradually reducing the transmitting power of the second signal receiving and transmitting module by a first stepping value when the third numerical value is larger than a first threshold value;
and the second control unit is used for gradually increasing the transmitting power of the second signal receiving and transmitting module by a second stepping value when the third numerical value is smaller than or equal to the first threshold value.
The first threshold is a value for determining whether the interference of the transmitting signal of the second signal transceiver module to the receiving signal of the first signal transceiver module is within an acceptable range, if the third value is greater than the first threshold, the transmitting signal of the second signal transceiver module has great influence on the receiving signal, and the transmitting power of the second signal transceiver module needs to be controlled to be gradually reduced by a first step value.
In a specific embodiment of the present invention, the first step value is greater than the second step value.
The first step value may be 5dB, so that the transmitting power of the second signal transceiver module may be reduced by a larger step value, so as to prevent the transmitting signal of the second signal transceiver module from causing long-time interference to damage related devices on the first signal transceiver module; the second step value may be 1dB, so that the transmitting power of the second signal transceiver module may be increased by a smaller step value, and the overall communication capability may be improved.
In a specific embodiment of the present invention, the first signal transceiver module is one of a 5G new air interface NR signal transceiver module and a wireless network WiFi signal transceiver module, and the second signal transceiver module is the other one of the 5G new air interface NR signal transceiver module and the wireless network WiFi signal transceiver module.
The following description will be given by taking the received signal quality indicator as an example of the received signal strength:
as shown in fig. 2, the terminal may include: a CPU; the 5G NR signal receiving and transmitting module is connected with the CPU; and the WiFi signal receiving and transmitting module is connected with the CPU. The 5G NR signal receiving and transmitting module transmits signals through a 5G NR amplifier, a first filter and a first switch respectively under the condition of a signal transmitting state; and under the condition that the 5G NR signal transceiver module is in a signal receiving state, signals are received through the first switch, the second filter and the 5G NR low noise amplifier respectively. Similarly, the WiFi signal transceiver module transmits signals through the WiFi amplifier, the third filter and the second switch respectively under the condition of a signal transmission state; and under the condition that the WiFi signal receiving and transmitting module is in a signal receiving state, signals are received through the second switch, the fourth filter and the WiFi low-noise amplifier respectively.
The 5G NR signal transceiver module may include a first modem and a first radio frequency transceiver; the WiFi signal transceiver module may include a second modem and a second radio frequency transceiver; the 5G NR synchronization signal and the WiFi synchronization signal are used for indicating whether the wireless communication device is in a state of transmitting radio frequency signals or receiving radio frequency signals. The 5G NR synchronization signal may be output by the first switch, the 5G NR amplifier, or the first radio frequency transceiver, and the WiFi synchronization signal may be output by the second switch, the WiFi amplifier, or the second radio frequency transceiver. The first radio frequency transceiver and the second radio frequency transceiver can be used for converting radio frequency signals into down-conversion, the radio frequency signals are sent to the CPU, and the CPU can convert the radio frequency signals into text representations, so that the text representations represent the overall received signal strength of the whole receiving path in the frequency band.
When the first signal transceiver module is a 5G NR signal transceiver module and the second transceiver module is a WiFi signal transceiver module, the obtaining module specifically includes:
when the 5G NR signal transceiver module is in a signal receiving state, acquiring a first received signal strength indication RSSI of the 5G NR signal transceiver module when the WiFi signal transceiver module is in the signal receiving state 1 The method comprises the steps of carrying out a first treatment on the surface of the And acquiring a second received signal strength indication RSSI of the 5G NR signal transceiver module in a signal transmitting state of the WiFi signal transceiver module 2 。
Detecting a communication state of the 5G NR signal transceiver module every preset time, wherein the 5G NR signal transceiver module can switch two states of signal receiving and signal transmitting, and when the 5G NR signal transceiver module is in a signal receiving state, the 5G NR synchronous signal outputs a low level, and at the moment, the communication state of the WiFi signal transceiver module can be detected; if the WiFi synchronization signal is in a low-level state, the WiFi signal transceiver module is in a signal receiving state, and the first radio frequency transceiver can collect a first received signal strength indication RSSI in the current state (namely, the received signal state of the 5G NR signal transceiver module and the received signal state of the WiFi signal transceiver module) 1 And the RSSI is used for 1 Sending to the CPU; if the detected WiFi synchronization signal is in a high-level state, the WiFi signal receiving and transmitting module is in a signal transmitting state, andthe first radio frequency transceiver may collect the second received signal strength indication RSSI in the current state (i.e. the received signal state of the 5G NR signal transceiver module and the transmitted signal state of the WiFi signal transceiver module) 2 And the RSSI is used for 2 And sending the data to the CPU.
When the RSSI is 1 And RSSI 2 When all are detected, in the control module, a third value log of the difference is obtained 10 |RSSI 1 -RSSI 2 I (I); when the third numerical value is larger than a first threshold value, gradually reducing the transmitting power of the WiFi signal transceiver module by a first stepping value; and when the third value is smaller than or equal to the first threshold value, gradually increasing the transmitting power of the WiFi signal transceiver module by a second stepping value.
The difference value is used for judging whether the transmitting signal of the WiFi signal receiving and transmitting module is interfered by a signal or not; the first threshold is used for judging whether the interference of the transmitting signal of the WiFi signal transceiver module to the receiving signal of the 5GNR signal transceiver module is within an acceptable range, if the third value is greater than the first threshold, the transmitting signal of the WiFi signal transceiver module has great interference to the receiving signal of the 5G NR signal transceiver module, the influence on the receiving signal is great, and the transmitting power of the WiFi signal transceiver module needs to be controlled to be gradually reduced by a first step value; wherein the first step value may be 5dB. If the third value is smaller than or equal to the first threshold value, the interference of the transmitting signal of the WiFi signal transceiver module on the receiving signal of the 5G NR signal transceiver module is small, the influence on the receiving signal is small, and the transmitting power of the WiFi signal transceiver module can be controlled to increase gradually with a second step value; wherein the second step value may be 1dB. The first step value and the second step value may be set to different values as desired.
When the first signal transceiver module is a WiFi signal transceiver module and the second transceiver module is a 5GNR signal transceiver module, the obtaining module specifically includes:
when the WiFi signal transceiver module is in a signal receiving state,acquiring a third received signal strength indication RSSI of the WiFi signal transceiver module in a signal receiving state of the 5G NR signal transceiver module 3 The method comprises the steps of carrying out a first treatment on the surface of the And acquiring a fourth received signal strength indication RSSI of the WiFi signal transceiver module in a signal transmitting state of the 5G NR signal transceiver module 4 。
Detecting the communication state of the WiFi signal transceiver module every preset time, wherein the WiFi signal transceiver module can switch between two states of signal receiving and signal transmitting, and when the WiFi signal transceiver module is in a signal receiving state, the WiFi synchronous signal outputs a low level, and at the moment, the communication state of the 5G NR signal transceiver module can be detected; if the 5G NR synchronization signal is in a low level state, the 5G NR signal transceiver module is in a signal receiving state, and the second RF transceiver may collect a third received signal strength indication RSSI in the current state (i.e. the received signal state of the WiFi signal transceiver module and the received signal state of the 5G NR signal transceiver module) 3 And the RSSI is used for 3 Sending to the CPU; if the detected 5G NR synchronization signal is in a high level state, the 5G NR signal transceiver module is in a signal transmitting state, and the second RF transceiver may collect a fourth received signal strength indication RSSI in the current state (i.e. the received signal state of the WiFi signal transceiver module and the transmitted signal state of the 5G NR signal transceiver module) 4 And the RSSI is used for 4 And sending the data to the CPU.
When the RSSI is 3 And RSSI 4 When all are detected, in the control module, a third value log of the difference is obtained 10 |RSSI 3 -RSSI 4 I (I); when the third value is larger than the first threshold value, gradually reducing the transmitting power of the 5G NR signal receiving and transmitting module by a first stepping value; and when the third value is smaller than or equal to the first threshold value, gradually increasing the transmitting power of the 5G NR signal transceiver module by a second stepping value.
Wherein, the difference value is used for judging whether the transmitting signal of the 5G NR signal receiving and transmitting module is interfered by the signal; the first threshold is used for judging whether the interference of the transmitting signal of the 5G NR signal transceiver module to the receiving signal of the WiFi signal transceiver module is within an acceptable range, if the third value is greater than the first threshold, the transmitting signal of the 5G NR signal transceiver module has great interference to the receiving signal of the WiFi signal transceiver module, the influence on the receiving signal is great, and the transmitting power of the 5G NR signal transceiver module needs to be controlled to be gradually reduced by a first step value; wherein the first step value may be 5dB. If the third value is smaller than or equal to the first threshold value, the interference of the transmitting signal of the 5G NR signal transceiver module on the receiving signal of the WiFi signal transceiver module is small, the influence on the receiving signal is small, and the transmitting power of the 5G NR signal transceiver module can be controlled to be increased gradually by a second step value; wherein the second step value may be 1dB. The first step value and the second step value may be set to different values as desired. The first threshold may be different values according to different settings of the first signal transceiver module being a 5G new air interface NR signal transceiver module or the first signal transceiver module being a wireless network WiFi signal transceiver module.
The terminal provided by the embodiment of the present invention can implement each process implemented by the terminal in the method embodiment of fig. 1 to 2, and in order to avoid repetition, a description is omitted here.
In summary, in the embodiment of the present invention, when the first signal transceiver module is in the signal receiving state and the second signal transceiver module is in the signal transmitting state, the transmitting power of the second signal transceiver module in the signal transmitting state is controlled, so that the transmitting power of the second signal transceiver module can be within a preset range, interference of the transmitting signal and damage of the radio frequency device are avoided, and the transmitting signal of the interference source is not required to be turned off, so that the overall communication capability can be ensured. In addition, the embodiment of the invention tests the index of interference from the hardware bottom layer (the first radio frequency transceiver and the second radio frequency transceiver), does not need to establish connection with a network node side and does not need to rely on demodulation of signals, so that the method is simpler and more direct.
Fig. 4 is a schematic diagram of a hardware structure of a terminal for implementing various embodiments of the present invention.
The terminal 400 includes, but is not limited to: radio frequency unit 401, network module 402, audio output unit 403, input unit 404, sensor 405, display unit 406, user input unit 407, interface unit 408, memory 409, processor 410, and power source 411. Those skilled in the art will appreciate that the terminal structure shown in fig. 4 is not limiting of the terminal and that the terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. In the embodiment of the invention, the terminal comprises, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer and the like.
The radio frequency unit 401 is configured to obtain, when the first signal transceiver module is in a signal receiving state, a first value of a received signal quality indicator of the first signal transceiver module in the signal receiving state of the second signal transceiver module, and obtain a second value of a received signal quality indicator of the first signal transceiver module in the signal transmitting state of the second signal transceiver module.
And a processor 410, configured to control the transmit power of the second signal transceiver module in the signal transmitting state according to the difference between the first value and the second value.
According to the embodiment of the invention, under the condition that the first signal transceiver module is in a signal receiving state, a first value of a received signal quality index of the first signal transceiver module in the signal receiving state of the second signal transceiver module is obtained, and a second value of a received signal quality index of the first signal transceiver module in the signal transmitting state of the second signal transceiver module is obtained; according to the difference between the first value and the second value, the transmitting power of the second signal transceiver module in the signal transmitting state is controlled, and under the condition that the first signal transceiver module is in the signal receiving state and the second signal transceiver module is in the signal transmitting state, the transmitting power of the second signal transceiver module in the signal transmitting state is controlled, so that the transmitting power of the second signal transceiver module can be in a preset range, interference of transmitting signals and damage of radio frequency devices are avoided, and the whole communication capability can be ensured without turning off transmitting signals of an interference source.
Optionally, the processor 410 is specifically configured to:
obtaining a third value for the difference; wherein the third value is: log of 10 M is the difference;
when the third value is larger than the first threshold value, gradually reducing the transmitting power of the second signal receiving and transmitting module by a first stepping value;
and when the third value is smaller than or equal to the first threshold value, gradually increasing the transmitting power of the second signal receiving and transmitting module by a second stepping value.
Optionally, the first step value is greater than the second step value.
Optionally, the first signal transceiver module is one of a 5G new air interface NR signal transceiver module and a wireless network WiFi signal transceiver module, and the second signal transceiver module is the other one of the 5G new air interface NR signal transceiver module and the wireless network WiFi signal transceiver module.
Optionally, the processor 410 is further configured to: and detecting the communication state of the first signal receiving and transmitting module every interval for a preset duration.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 401 may be used for receiving and transmitting signals during the process of receiving and transmitting information or communication, specifically, receiving downlink data from a base station and then processing the received downlink data by the processor 410; and, the uplink data is transmitted to the base station. Typically, the radio frequency unit 401 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 401 may also communicate with networks and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user through the network module 402, such as helping the user to send and receive e-mail, browse web pages, access streaming media, etc.
The audio output unit 403 may convert audio data received by the radio frequency unit 401 or the network module 402 or stored in the memory 409 into an audio signal and output as sound. Also, the audio output unit 403 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the terminal 400. The audio output unit 403 includes a speaker, a buzzer, a receiver, and the like.
The input unit 404 is used to receive an audio or video signal. The input unit 404 may include a graphics processor (Graphics Processing Unit, GPU) 4041 and a microphone 4042, the graphics processor 4041 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 406. The image frames processed by the graphics processor 4041 may be stored in memory 409 (or other storage medium) or transmitted via the radio frequency unit 401 or the network module 402. The microphone 4042 may receive sound and may be capable of processing such sound into audio data. The processed audio data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 401 in the case of a telephone call mode.
The terminal 400 also includes at least one sensor 405, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 4061 according to the brightness of ambient light, and the proximity sensor can turn off the display panel 4061 and/or the backlight when the terminal 400 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when the accelerometer sensor is stationary, and can be used for recognizing the terminal gesture (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; the sensor 405 may further include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., which are not described herein.
The display unit 406 is used to display information input by a user or information provided to the user. The display unit 406 may include a display panel 4061, and the display panel 4061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 407 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 407 includes a touch panel 4071 and other input devices 4072. The touch panel 4071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 4071 or thereabout using any suitable object or accessory such as a finger, stylus, etc.). The touch panel 4071 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 410, and receives and executes commands sent from the processor 410. In addition, the touch panel 4071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 407 may include other input devices 4072 in addition to the touch panel 4071. In particular, other input devices 4072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
Further, the touch panel 4071 may be overlaid on the display panel 4061, and when the touch panel 4071 detects a touch operation thereon or thereabout, the touch operation is transferred to the processor 410 to determine the type of touch event, and then the processor 410 provides a corresponding visual output on the display panel 4061 according to the type of touch event. Although in fig. 4, the touch panel 4071 and the display panel 4061 are two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 4071 may be integrated with the display panel 4061 to implement the input and output functions of the terminal, which is not limited herein.
The interface unit 408 is an interface through which an external device is connected to the terminal 400. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 408 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 400 or may be used to transmit data between the terminal 400 and an external device.
The processor 410 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by running or executing software programs and/or modules stored in the memory 409 and calling data stored in the memory 409, thereby performing overall monitoring of the terminal. Processor 410 may include one or more processing units; preferably, the processor 410 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 410.
The terminal 400 may further include a power source 411 (e.g., a battery) for supplying power to the respective components, and preferably, the power source 411 may be logically connected to the processor 410 through a power management system, so as to perform functions of managing charging, discharging, and power consumption management through the power management system.
In addition, the terminal 400 includes some functional modules, which are not shown, and will not be described herein.
Preferably, the embodiment of the present invention further provides a terminal, which includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program when executed by the processor implements each process of the above signal receiving method embodiment, and the same technical effects can be achieved, and for avoiding repetition, a detailed description is omitted herein.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the processes of the above-mentioned signal receiving method embodiment, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (11)
1. A method for receiving signals, applied to a terminal, the terminal including a first signal transceiver module operating in a first frequency band and a second signal transceiver module operating in a second frequency band, wherein the first frequency band and the second frequency band have partial overlap, the method comprising:
under the condition that the first signal transceiver module is in a signal receiving state, acquiring a first value of a received signal quality index of the first signal transceiver module in the signal receiving state of the second signal transceiver module, and acquiring a second value of a received signal quality index of the first signal transceiver module in the signal transmitting state of the second signal transceiver module;
Controlling the transmitting power of the second signal receiving and transmitting module in a signal transmitting state according to the difference value between the first value and the second value;
the first value is a value of a received signal quality index of the first signal transceiver module when the second signal transceiver module does not cause signal interference to the first signal transceiver module; the second value is a value of a received signal quality index of the first signal transceiver module when the second signal transceiver module causes signal interference to the first signal transceiver module.
2. The method of signal reception according to claim 1, wherein the step of controlling the transmission power of the second signal transceiver module in the signal transmission state according to the difference between the first value and the second value comprises:
obtaining a third value for the difference; wherein the third value is: log of 10 M is the difference;
when the third value is larger than the first threshold value, gradually reducing the transmitting power of the second signal receiving and transmitting module by a first stepping value;
and when the third value is smaller than or equal to the first threshold value, gradually increasing the transmitting power of the second signal receiving and transmitting module by a second stepping value.
3. The method of signal reception of claim 2, wherein the first step value is greater than the second step value.
4. The method of signal reception according to claim 1, wherein the first signal transceiver module is one of a 5G new air interface NR signal transceiver module and a wireless network WiFi signal transceiver module, and the second signal transceiver module is the other of the 5G new air interface NR signal transceiver module and the wireless network WiFi signal transceiver module.
5. The method of signal reception of claim 1, further comprising:
and detecting the communication state of the first signal receiving and transmitting module every interval for a preset duration.
6. A signal receiving apparatus applied to a terminal, the terminal including a first signal transceiver module operating in a first frequency band and a second signal transceiver module operating in a second frequency band, wherein the first frequency band and the second frequency band have partial overlap, the apparatus comprising:
the acquisition module is used for acquiring a first value of a received signal quality index of the first signal transceiver module in a signal receiving state and acquiring a second value of a received signal quality index of the first signal transceiver module in a signal transmitting state under the condition that the first signal transceiver module is in the signal receiving state;
The control module is used for controlling the transmitting power of the second signal receiving and transmitting module in a signal transmitting state according to the difference value between the first numerical value and the second numerical value;
the first value is a value of a received signal quality index of the first signal transceiver module when the second signal transceiver module does not cause signal interference to the first signal transceiver module; the second value is a value of a received signal quality index of the first signal transceiver module when the second signal transceiver module causes signal interference to the first signal transceiver module.
7. The apparatus of claim 6, wherein the control module comprises:
a first acquisition unit configured to acquire a third numerical value concerning the difference; wherein the third value is: log of 10 M is the difference;
the first control unit is used for gradually reducing the transmitting power of the second signal receiving and transmitting module by a first stepping value when the third numerical value is larger than a first threshold value;
and the second control unit is used for gradually increasing the transmitting power of the second signal receiving and transmitting module by a second stepping value when the third numerical value is smaller than or equal to the first threshold value.
8. The apparatus of claim 7, wherein the first step value is greater than the second step value.
9. The apparatus of claim 6, wherein the first signal transceiver module is one of a 5G new air interface NR signal transceiver module and a wireless network WiFi signal transceiver module, and the second signal transceiver module is the other of the 5G new air interface NR signal transceiver module and the wireless network WiFi signal transceiver module.
10. The apparatus for signal reception according to claim 6, further comprising:
and the detection device is used for detecting the communication state of the first signal receiving and transmitting module every interval for a preset time length.
11. A terminal comprising a processor, a memory and a computer program stored on the memory and executable on the processor, which when executed by the processor performs the steps of the method of signal reception according to any one of claims 1 to 5.
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| CN110311694B (en) * | 2019-06-25 | 2021-06-04 | Oppo广东移动通信有限公司 | Communication interference control method and related product |
| CN110753391B (en) * | 2019-10-22 | 2022-10-14 | 维沃移动通信有限公司 | Information transmission method and device and electronic equipment |
| CN110856246B (en) * | 2019-11-25 | 2023-01-13 | 维沃移动通信有限公司 | Power control method and electronic equipment |
| CN111479317B (en) * | 2020-04-13 | 2023-12-05 | Oppo广东移动通信有限公司 | Communication control method and device of mobile device, storage medium and mobile device |
| CN111510972B (en) * | 2020-04-16 | 2021-10-22 | 蓓安科仪（北京）技术有限公司 | Control method of intelligent medical robot based on WiFi and 5G fusion communication |
| CN111970024A (en) * | 2020-08-26 | 2020-11-20 | 维沃移动通信有限公司 | Communication network control method and device and electronic equipment |
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