CN114710178A - Radio frequency front-end module, communication circuit and electronic equipment - Google Patents
Radio frequency front-end module, communication circuit and electronic equipment Download PDFInfo
- Publication number
- CN114710178A CN114710178A CN202210143526.XA CN202210143526A CN114710178A CN 114710178 A CN114710178 A CN 114710178A CN 202210143526 A CN202210143526 A CN 202210143526A CN 114710178 A CN114710178 A CN 114710178A
- Authority
- CN
- China
- Prior art keywords
- command
- transceiver
- current control
- end module
- radio frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000011664 signaling Effects 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 abstract description 10
- 230000037431 insertion Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1009—Placing the antenna at a place where the noise level is low and using a noise-free transmission line between the antenna and the receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The invention discloses a radio frequency front end module, a communication circuit and an electronic device, wherein the module comprises: transceiver circuitry, first antenna radiator and second antenna radiator, transceiver circuitry includes: power amplifiers, low noise amplifiers; the output end of the power amplifier is connected with the first antenna radiator through a first transmission line so as to send signals to the outside by using the first antenna radiator; the input end of the low noise amplifier is connected with the second antenna radiating body through a second transmission line so as to receive an external signal by using the second antenna radiating body; the input end of the power amplifier and the output end of the low noise amplifier are directly or indirectly connected with a feeder line so as to be connected with the wireless transceiver of the main chip through the feeder line. According to the invention, the insertion loss of a critical path is reduced by moving the antenna switch behind the power amplifier and the low noise amplifier or omitting the wireless switch.
Description
Technical Field
The present invention relates to the field of radio frequency communication technologies, and in particular, to a radio frequency front end module, a communication circuit, and an electronic device.
Background
In personal wireless communication systems and internet of things communication systems based on Wi-Fi, Bluetooth, ZigBee, LoraWAN, Wi-Fi Halo and numerous proprietary protocols, high-capacity reliable communication between personal terminal equipment or IoT nodes and CPE equipment such as a router, a gateway, an AP and the like is always a target pursued by people. It is represented by: on the premise of ensuring the communication bandwidth, how to increase the reliable communication distance; on the premise of meeting the communication distance, how to upgrade the data throughput of the protocol through the communication bandwidth, the modulation point number of the constellation diagram and the MIMO number of the upgrade protocol, thereby utilizing the existing frequency spectrum resources to the maximum extent. If the performance can be improved, people can obviously feel high-efficiency communication throughput, and the communication bandwidth is not sacrificed due to the increase of the communication distance or the increase of wall surfaces and buildings in the communication path; meanwhile, the deployment number of the AP and the layout number of the IoT nodes can be reduced to a certain extent without losing the coverage.
From the perspective of the radio frequency system designer, there are generally several ways to enhance communication reliability: the transmitting power is increased, the receiving sensitivity is increased, and the antenna gain is increased on the premise of meeting the antenna main lobe coverage angle. However, no matter which circuit parameter is improved, the upper improvement limit is limited by the limitations of devices and processes, and the insertion loss of the critical path is high.
Disclosure of Invention
The invention provides a radio frequency front-end module, a communication circuit and electronic equipment, and aims to solve the problems of poor communication reliability and high insertion loss of a key path of a radio frequency system.
According to a first aspect of the present invention, there is provided a radio frequency front end module comprising: transceiver circuitry, first antenna radiator and second antenna radiator, transceiver circuitry includes: power amplifiers, low noise amplifiers; wherein the content of the first and second substances,
the output end of the power amplifier is connected with the first antenna radiator through a first transmission line so as to send signals to the outside by using the first antenna radiator;
the input end of the low noise amplifier is connected with the second antenna radiator through a second transmission line so as to receive an external signal by using the second antenna radiator;
the input end of the power amplifier and the output end of the low noise amplifier are directly or indirectly connected with a feeder line so as to be connected with the wireless transceiver of the main chip through the feeder line.
Preferably, the transceiver circuit further comprises: a transmit-receive switch;
the input end of the power amplifier and the output end of the low-noise amplifier are respectively connected with the first end and the second end of the transceiving switch;
and the common end of the transceiving switch is connected with the feeder line.
Preferably, the feed line is a coaxial feed line.
Preferably, the feeder line comprises: the first feeder line is connected between the input end of the power amplifier and the wireless transceiver of the main chip, and the second feeder line is connected between the output end of the low noise amplifier and the wireless transceiver of the main chip.
Preferably, the method further comprises the following steps: the command executor is connected with the command transceiver of the main chip through a communication connecting line; the command executor is also connected with the transceiving circuit;
the command executor is further configured to be capable of:
receiving a current control signal from the command transceiver;
and determining a current control result for the transceiver circuit based on the current control signal, and controlling the transceiver circuit to execute the current control result.
Preferably, the command executor is connected to the command transceiver of the main chip through N communication connection lines to receive N current control signals, where N is greater than or equal to 1;
when determining the current control result for the transceiver circuit based on the current control signal and controlling the transceiver circuit to execute the current control result, the command executor is specifically configured to:
translating the combination of the N current control signals into at least one current execution signal;
and controlling the transceiver circuit to execute the current control result by outputting the at least one current execution signal to the transceiver circuit.
Preferably, the command executor is connected to the command transceiver of the main chip through two communication connection lines to receive two current control signals, which are a clock signal and a serial control signal, respectively;
when determining the current control result for the transceiver circuit based on the current control signal and controlling the transceiver circuit to execute the current control result, the command executor is specifically configured to:
based on the clock signal, reading data sequentially transmitted in the serial control signal, and translating the read data into at least one current execution signal;
and controlling the transceiver circuit to execute the current control result by outputting the at least one current execution signal to the transceiver circuit.
Preferably, one command transceiver is connected with a plurality of command executors; wherein the content of the first and second substances,
the command transceiver is configured to be able to send the current control signal to all of the command executors connected thereto under the same clock signal.
Preferably, one command transceiver is connected with a plurality of command executors; wherein the content of the first and second substances,
the command transceiver is configured to transmit the current control signal to a command executor under the same clock signal.
Preferably, one command transceiver is connected with a plurality of command executors; wherein the content of the first and second substances,
the addresses of the plurality of command executors comprise a plurality of multicast addresses, and each multicast address comprises at least one command executor;
the command transceiver is configured to send the current control signal to the command executors of the same multicast address under the same clock signal.
Preferably, the transceiver circuit is integrated in a radio frequency front end chip, and the first antenna radiator and the second antenna radiator are connected to the radio frequency front end chip;
the power source used by the radio frequency front-end chip is derived from the main chip, and the radio frequency front-end chip and the main chip are grounded together.
According to a second aspect of the invention, there is provided a communication circuit comprising: the radio frequency front end module and the main chip.
According to a third aspect of the present invention, there is provided an electronic apparatus comprising: the communication circuit described above.
According to the radio frequency front-end module, the communication circuit and the electronic equipment, the insertion loss is reduced by moving the antenna switch to the rear of the power amplifier and the low noise amplifier in a manner of approaching the antenna or omitting a wireless switch; for the wireless switch mode, the antenna switch brings insertion loss, but the influence on the module is reduced due to the backward movement of the antenna switch, so that the whole insertion loss is also reduced; for the mode of omitting the antenna switch, the insertion loss is directly reduced because the antenna switch is directly omitted;
according to the radio frequency front-end module, the communication circuit and the electronic equipment, the insertion loss is reduced by moving the antenna switch to the rear of the power amplifier and the low-noise amplifier from a mode of being close to the antenna or omitting a wireless switch; the insertion loss of the critical path of the transmitting link is reduced, the system is equivalent to a power amplifier system with higher performance under the condition of keeping the design complexity and cost of the existing power amplifier, and the insertion loss of the critical path of the receiving link is reduced, and the system is equivalent to a low-noise amplifier system with higher performance under the condition of keeping the design complexity and cost of the existing low-noise amplifier.
For entry-level and partial terminal-level systems, the active chip part and the antenna are uniformly designed and optimized through the radio frequency tip module, the communication circuit and the electronic equipment, so that the radio frequency transceiving performance can be enhanced, the design of the existing system is compatible, and the design convenience and the low-cost production requirement of the main board of the existing system are maintained.
For a medium-high system, an original onboard independent radio frequency front-end chip can be saved, and the active chip part and the antenna are uniformly designed and optimized through the radio frequency front-end module, the communication circuit and the electronic equipment, so that the BOM number of a system mainboard is reduced, and meanwhile, the PCB area of the mainboard is reduced.
In an alternative scheme of the invention, a unified control interface is provided by designing a connection mode between the command executor and the command transceiver of the main chip, so that the connection between the command executor of the radio frequency front-end module and the main chip is simplified.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a radio frequency front end module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a radio frequency front end module according to another embodiment of the present invention;
FIG. 3 is a diagram illustrating the connection between a command executor and a command transceiver according to a preferred embodiment of the present invention;
fig. 4 is a block diagram of the rf front-end module for transceiving the same path in a 4 × 4MIMO system according to a preferred embodiment of the present invention;
fig. 5 is a block diagram of a rf front-end module for transceiving branches in a 4 × 4MIMO system according to a preferred embodiment of the present invention;
FIG. 6 is a diagram illustrating the programming of the address registers of the command executor according to a preferred embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating timing broadcast mode control of a multi-RF front-end module for NxN MIMO according to a preferred embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating a time-sequential multicast mode of a multi-RF front-end module for NxN MIMO according to a preferred embodiment of the present invention;
FIG. 9 is a schematic diagram illustrating a time-sequential multicast mode of a multi-RF front-end module for NxN MIMO according to another preferred embodiment of the present invention;
FIG. 10 is a schematic diagram of a time-on-demand mode of the multi-RF front-end module for N × N MIMO according to a preferred embodiment of the present invention.
Description of reference numerals:
101-a coaxial feed line, and,
102-a transmit-receive switch-the switch,
103-transceiving common-path power amplifier
104-a transmit-receive in-circuit noise amplifier,
105-a first transceiving common-path transmission line,
106-first transceive co-path antenna radiator,
107-second transceiving common transmission line,
108-a second transceiving one-way antenna radiator;
201-a first feed line, and,
202-a second feed line,
203-a transmit-receive shunt power amplifier,
204-a transmit-receive shunt noise amplifier,
205-a first transceiving shunt transmission line,
206-a first transceiving shunt antenna radiator,
207-a second transceiving split transmission line,
208-a second transmit-receive shunt antenna radiator;
301-a command-actuator-which is,
302-command transceiver.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "upper surface", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, "a plurality" means a plurality, e.g., two, three, four, etc., unless specifically limited otherwise.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and the like are to be construed broadly, e.g., as meaning fixedly attached, detachably attached, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical means of the present invention will be described in detail with reference to specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
In one embodiment, a radio frequency front end module is provided, comprising: transceiver circuitry, first antenna radiator and second antenna radiator, transceiver circuitry includes: power Amplifier (PA), Low Noise Amplifier (LNA), please refer to fig. 1, fig. 2. The output end of the power amplifier is connected with the first antenna radiator through a first transmission line so as to send signals to the outside by using the first antenna radiator; the input end of the low noise amplifier is connected with the second antenna radiator through the second transmission line so as to receive an external signal by using the second antenna radiator. The input end of the power amplifier and the output end of the low noise amplifier are directly or indirectly connected with a feeder line so as to be connected with the wireless transceiver of the main chip through the feeder line.
In an embodiment, the transceiver circuit may be a transceiver circuit, please refer to fig. 1. The radio frequency front end module in this embodiment includes: a transceiver circuit, a first transceiver along-the-road antenna radiator 106, and a second transceiver along-the-road antenna radiator 108. The transceiver circuit includes: the output end of the power amplifier 103 is connected to the first antenna radiator 106 through the first transmission/reception in-circuit transmission line 105, so that the first antenna radiator 106 is used to transmit signals to the outside. The input end of the transceiving common-path low noise amplifier 104 is connected to the second transceiving common-path antenna radiator 108 through the second transceiving common-path transmission line 107, so as to receive an external signal by using the second transceiving common-path antenna radiator 108. The input end of the transceiving one-way power amplifier 103 and the output end of the transceiving one-way low noise amplifier 104 are connected with a coaxial feeder 101 so as to be connected with a wireless transceiver TRX of the main chip through the coaxial feeder 101.
In one embodiment, the rf front-end module for transmitting and receiving the same channel further includes: please refer to fig. 1 for the transceiver switch 102. The input end of the transceiving common-path power amplifier 103 and the output end of the transceiving common-path low noise amplifier 104 are respectively connected with the first end and the second end of the transceiving switch 102; the common terminal of the transmit-receive switch 102 is connected to the coaxial feeder 101.
In an embodiment, the transceiver circuit may also adopt a circuit of a transceiver branch, please refer to fig. 2. The embodiment comprises the following steps: a transmit-receive circuit, a first transmit-receive shunt antenna radiator 206, a second transmit-receive shunt antenna radiator 208. The transceiver circuit includes: the output end of the transceiving branch power amplifier 203 is connected to a first transceiving branch antenna radiator 206 through a first transceiving branch transmission line 205, so as to transmit signals to the outside by using the first transceiving branch antenna radiator 206. The input terminal of the transceiving shunt low noise amplifier 204 is connected to the second transceiving shunt antenna radiator 208 through the second transceiving shunt transmission line 207 to receive an external signal using the second transceiving shunt antenna radiator 208. The input end of the transceiving branch power amplifier 203 is connected with a first feeder 201 so as to be connected with a transmitting port TX of a wireless transceiver of the main chip through the first feeder 201; the output end of the transceiving shunt low noise amplifier 204 is connected to the second feeder 202 to be connected to the receiving port RX of the wireless transceiver of the main chip through the second feeder 202.
In one embodiment, the feed points a1 and a2 between the antenna radiator and the transmission line in fig. 1 and 2 are arranged in a mirror image. In different embodiments, the feed points a1, a2 may also be arranged in parallel, may also be arranged vertically, or may also be arranged at any angle.
In an embodiment, the first antenna radiator and the second antenna radiator may be any one of the following structures: monopole antennas, helical antennas, microstrip antennas, and any suitable antenna type such as inverted F antennas.
In one embodiment, the rf front-end module further includes: the command executor 301 and the command executor 3 are connected to the command transceiver 302 of the host chip through a communication connection line, please refer to fig. 3. The command executor is also connected with a receiving and transmitting circuit; the command executor is further configured to be capable of: receiving a current control signal from a command transceiver; based on the current control signal, a current control result for the transceiver circuit is determined, and the transceiver circuit is controlled to execute the current control result.
In one embodiment, the command executor is connected to the command transceiver of the master chip through N communication connection lines to receive N current control signals, where N is greater than or equal to 1. The command executor is specifically used for translating the combination of the N paths of current control signals into at least one path of current execution signal when determining a current control result for the transceiver circuit based on the current control signal and controlling the transceiver circuit to execute the current control result; and controlling the transceiver circuit to execute the current control result by outputting at least one current execution signal to the transceiver circuit.
In an embodiment, please refer to fig. 3, which takes four communication connection lines as an example. The four communication connecting lines are respectively as follows: VDD, C0, C1, GND. The command transceiver 302 is located on the host side, and may be a separate chip or integrated with the host chip. The command transceiver receives the rf front-end control signal 303 from the main chip and generates the control signals C0 and C1 with unified standards, and the command executor 301 may be located in the rf front-end module, may be a separate chip, or may be integrated with the rf front-end chip. The command executor translates the C0, C1 into the current control signals 304 required by the RF front end. VDD is used for supplying power to the radio frequency front-end module from the mainboard, and GND is used for supplying ground.
In one embodiment, the main chip may be applied in a MIMO (multiple input multiple output) system. In MIMO applications, a group of rf front-end modules needs to be controlled simultaneously by the main chip SoC. One command transceiver can control multiple command actuators in a simple parallel manner, i.e., all of the C0 are connected together and all of the C1 are connected together.
In an embodiment, taking an rf transceiver system applied to 4 × 4MIMO as an example, please refer to fig. 4, which takes an rf front-end module in the same transceiver path as an example, 401 is an rf communication system supporting 4 × 4MIMO, wherein 402 to 405 are 4-path command transceivers supporting rf ports in the same transceiver path. Each path of command transceiver is respectively connected with the RF front-end modules 406-409 of the same receiving and transmitting path.
In an embodiment, taking an rf transceiving system applied to 4 × 4MIMO as an example, please refer to fig. 5, which illustrates an rf front-end module for transceiving branches, wherein 501 is an rf communication system supporting 4 × 4MIMO, and 502 to 505 are 4-way command transceivers and rf ports supporting transceiving branches. Each path of command transceiver is respectively connected with the RF front-end modules 506-509 of the transceiving branches.
The communication connection lines C0, C1 may support two modes: a combination mode and a timing mode. In the combination mode, no more than four state combinations can be defined, and the four states can already meet the use requirements of most MIMO systems; if the RF module requires five or more state controls, the timing mode may be used.
In the combined mode, the communication connection lines C0, C1 may define, but are not limited to, the combinations shown in table 1:
TABLE 1 example of the definition of the combination pattern
| C0(504) | C1(505) | Definition of |
| 0 | 0 | |
| 1 | 0 | |
| 0 | 1 | |
| 1 | 1 | Low gain receiving state |
C0 is 0, when C1 is 0, it is low power consumption, PA does not work, LNA does not work, the whole receiving and dispatching system is in the state of low power consumption when being closed, standby, can make the front section radio frequency mode in the state of low power consumption, can make every part not consume the electric current; when the C0 is 1 and the C1 is 0, the transmission state is set, the PA operates, the LNA does not operate, and the front-end gain and power output are provided for the transmission link; when the C0 is 0 and the C1 is 1, the receive state is set, the PA does not work, and the LNA works in the normal gain state to provide the front-end gain and noise performance for the receive chain; when the C0 is 1 and the C1 is 1, the low gain receiving state is achieved, the PA does not operate, the LNA operates, and the LNA operates in the low gain mode.
In the time sequence mode, the command executor is connected with the command transceiver of the main chip through two communication connecting lines to receive two current control signals, wherein the two current control signals are a clock signal and a serial control signal respectively. The two-way communication connection C0, C1 may define, but are not limited to, the combination shown in table 2:
TABLE 2 example of the definition of timing patterns
When determining the current control result for the transceiver circuit based on the current control signal and controlling the transceiver circuit to execute the current control result, the command executor is specifically configured to: reading data sequentially transmitted in the serial control signal based on the clock signal, and translating the read data into at least one current execution signal; and controlling the transceiver circuit to execute the current control result by outputting at least one current execution signal to the transceiver circuit.
In the sequential mode, the command transceiver 4 sends a control frame (current control signal) to the command executor 3, and the command executor 3 decodes the control frame and extracts control information, and translates the control frame into various state control signals required by the rf front-end module. The control frame is defined but not limited to the manner as in table 3:
table 3 control frame format
| S | Destination address | Control command | T |
The control frame format consists of four parts, which are a start bit S, a destination address, a control command and an end bit T, respectively. The start bit S is used to mark the start of a new control frame, and the connected command executor enters a command receiving state after recognizing the start bit of the control frame, and starts to receive subsequent control information. The destination address is the pre-programmed address of each command executor, and if the address field in the control frame matches with the pre-programmed address of the current command executor, the subsequently received control command word will be executed. The control command includes command operations such as state changes, address settings, etc. that the command transmitter requires the command executer of the corresponding address. The end bit T marks the end of a control frame, and the connected command executor completes decoding of the control frame after detecting the end bit, waiting for the arrival of the next control frame.
In the time sequence mode, according to the use mode of the address identification of the command executor, a broadcast mode, a multicast mode and an on-demand mode can be designed.
A MIMO rf communication system may control 2 units of rf front-end modules, and a medium-high end product may control 20 or more units of rf front-end modules. The command executor in each rf front-end module needs to have its own physical address for the host SoC to address. As shown in FIG. 6, the address register of the command executor requires two parts, a physical address 601 and a logical address 604. The addressing of the physical address 601 may be implemented in various ways, i.e. in the form of a programmable Flash memory unit 602, in the form of pin code 603, or in a combination of both, and the physical address is provided in hardware, and once it is determined that it is not changed any more. The logical address 604 is dynamically addressed by the main chip SoC for the multicast mode, the main chip SoC dynamically addresses the logical address of the non-all-0 according to the grouping requirement of the multi-radio-frequency front-stage module, and the logical address represents different groups.
In an embodiment, taking the broadcast mode of the time sequence mode as an example, referring to fig. 7, all command executors connected to the bus are simultaneously controlled by the control frame of the command transceiver and set the operating state of the rf front end. In the broadcast mode, all 0's of the physical address and the logical address of the address field in the control frame can be set as broadcast addresses, and each command executor connected to the bus needs to decode and execute as its own command when encountering the control frame with all 0's. As shown by the dashed line 701, objects that can be acted upon simultaneously by the control frames are indicated. Its number of operating states may be more than 4.
In an embodiment, please refer to fig. 8 and 9, which take a multicast mode of a time-sequential mode as an example. The multicast mode can support a large N × N MIMO system, and dynamically divides the MIMO system into addressing and control of a plurality of small MIMO systems, and assuming that the number of members in each group is An, Bn, … Yn, respectively, An + Bn + … + Yn equals N. For example, an 8 × 8MIMO system can be dynamically grouped into 3 × 3, 2 × 2, etc. small-scale MIMO systems according to communication needs. In the system shown in fig. 8 and 9, in a control frame, the member command executer conforming to the multicast address receives the command at the same time, and ignores the member command executor not conforming to the multicast address. The dashed lines 801 and 901 show the different control groups of the different control frames, respectively.
In an embodiment, please refer to fig. 10, which takes the on-demand mode of the time-series mode as an example. The on-demand mode is used for the state setting or logic programming of a single command executor, and if the physical address in the control frame is not all 0, the command executor corresponding to the physical address will receive and execute the control frame command. As shown by dashed line 1001, control commands may be communicated to individual command actuators.
The following summarizes the characteristics of the different addressing modes of the control frame in the combined mode and timing mode, as shown in table 4: the 4 less states may be: low power consumption, a transmitting state, a receiving state and a low gain receiving state; the four or more states may include PAs or LNAs with more gain states in addition to the four above, and are not listed here.
TABLE 4 addressing modes and characteristics of combined mode and time sequence mode
One possible encoding of the control command field in the sequential mode is as follows, as shown in table 5, but is not limited thereto.
TABLE 5 encoding of control Command fields
The following illustrates, but is not limited to, the control frame sent by the command transceiver to the command executor in the time-series mode, as shown in table 6.
TABLE 6 control Frames
The broadcast mode sets the transmit/receive state m for all command executors in table 6 (a). If the system needs grouping, table 6(B) shows a control frame for setting logical addresses to individual command executors through the on-demand mode, and the command executors from physical address a to physical address B are all set as logical address a according to the content of the logical address field. The system sets the transmission/reception state n to the command executor set to the logical address a in the multicast mode according to table 6 (c).
In one embodiment, there is also provided a communication circuit comprising: the radio frequency front end module and the main chip of any of the above embodiments.
In one embodiment, there is also provided an electronic apparatus, comprising: the communication circuit of the above embodiment.
In the description herein, reference to the terms "an embodiment," "an example," "a specific implementation," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (13)
1. A radio frequency front end module, comprising: transceiver circuitry, first antenna radiator and second antenna radiator, transceiver circuitry includes: power amplifiers, low noise amplifiers; wherein the content of the first and second substances,
the output end of the power amplifier is connected with the first antenna radiator through a first transmission line so as to send signals to the outside by using the first antenna radiator;
the input end of the low noise amplifier is connected with the second antenna radiator through a second transmission line so as to receive an external signal by using the second antenna radiator;
the input end of the power amplifier and the output end of the low noise amplifier are directly or indirectly connected with a feeder line so as to be connected with the wireless transceiver of the main chip through the feeder line.
2. The rf front-end module of claim 1, wherein the transceiver circuitry further comprises: a transmit-receive switch;
the input end of the power amplifier and the output end of the low-noise amplifier are respectively connected with the first end and the second end of the transceiving switch;
and the common end of the transceiving switch is connected with the feeder line.
3. The radio frequency front end module of claim 2, wherein the feed is a coaxial feed.
4. The radio frequency front end module of claim 1, wherein the feed line comprises: the first feeder line is connected between the input end of the power amplifier and the wireless transceiver of the main chip, and the second feeder line is connected between the output end of the low noise amplifier and the wireless transceiver of the main chip.
5. The radio frequency front end module of any one of claims 1 to 4, further comprising: the command executor is connected with the command transceiver of the main chip through a communication connecting line; the command executor is also connected with the transceiving circuit;
the command executor is further configured to be capable of:
receiving a current control signal from the command transceiver;
and determining a current control result for the transceiver circuit based on the current control signal, and controlling the transceiver circuit to execute the current control result.
6. The RF front-end module of claim 5, wherein the command executor is connected to the command transceiver of the main chip through N communication connection lines to receive N current control signals, where N is greater than or equal to 1;
when determining the current control result for the transceiver circuit based on the current control signal and controlling the transceiver circuit to execute the current control result, the command executor is specifically configured to:
translating the combination of the N current control signals into at least one current execution signal;
and controlling the transceiver circuit to execute the current control result by outputting the at least one current execution signal to the transceiver circuit.
7. The RF front-end module according to claim 5, wherein the command executor is connected to the command transceiver of the main chip through two communication connection lines to receive two current control signals, which are a clock signal and a serial control signal, respectively;
when determining the current control result for the transceiver circuit based on the current control signal and controlling the transceiver circuit to execute the current control result, the command executor is specifically configured to:
based on the clock signal, reading data sequentially transmitted in the serial control signal, and translating the read data into at least one current execution signal;
and controlling the transceiver circuit to execute the current control result by outputting the at least one current execution signal to the transceiver circuit.
8. The RF front-end module of claim 7, wherein one of the command transceivers is connected to a plurality of the command actuators; wherein the content of the first and second substances,
the command transceiver is configured to be able to send the current control signal to all of the command actuators connected thereto under the same clock signal.
9. The RF front-end module of claim 7, wherein one of the command transceivers is connected to a plurality of the command actuators; wherein the content of the first and second substances,
the command transceiver is configured to transmit the current control signal to a command executor under the same clock signal.
10. The RF front-end module of claim 7, wherein one of the command transceivers is connected to a plurality of the command actuators; wherein the content of the first and second substances,
the addresses of the plurality of command executors comprise a plurality of multicast addresses, and each multicast address comprises at least one command executor;
the command transceiver is configured to send the current control signal to the command executors of the same multicast address under the same clock signal.
11. The RF front-end module according to any one of claims 1 to 4, wherein the transceiver circuit is integrated on an RF front-end chip, and the first and second antenna radiators are connected to the RF front-end chip;
the power source used by the radio frequency front-end chip is derived from the main chip, and the radio frequency front-end chip and the main chip are grounded together.
12. A communication circuit comprising the rf front-end module of any one of claims 1 to 11, and the main chip.
13. An electronic device comprising the communication circuit of claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210143526.XA CN114710178A (en) | 2022-02-16 | 2022-02-16 | Radio frequency front-end module, communication circuit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210143526.XA CN114710178A (en) | 2022-02-16 | 2022-02-16 | Radio frequency front-end module, communication circuit and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114710178A true CN114710178A (en) | 2022-07-05 |
Family
ID=82167166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210143526.XA Pending CN114710178A (en) | 2022-02-16 | 2022-02-16 | Radio frequency front-end module, communication circuit and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114710178A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546189A (en) * | 2013-11-13 | 2014-01-29 | 苏州华士无线科技有限公司 | Radio-frequency front end circuit and system |
| CN203632660U (en) * | 2013-11-13 | 2014-06-04 | 苏州华士无线科技有限公司 | Radiofrequency front circuit and system |
| WO2021049678A1 (en) * | 2019-09-10 | 2021-03-18 | 엘지전자 주식회사 | Non bc type electronic device and control method of same electronic device |
| CN113726360A (en) * | 2020-05-26 | 2021-11-30 | Oppo广东移动通信有限公司 | Radio frequency PA Mid device, radio frequency transceiver and communication equipment |
-
2022
- 2022-02-16 CN CN202210143526.XA patent/CN114710178A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103546189A (en) * | 2013-11-13 | 2014-01-29 | 苏州华士无线科技有限公司 | Radio-frequency front end circuit and system |
| CN203632660U (en) * | 2013-11-13 | 2014-06-04 | 苏州华士无线科技有限公司 | Radiofrequency front circuit and system |
| WO2021049678A1 (en) * | 2019-09-10 | 2021-03-18 | 엘지전자 주식회사 | Non bc type electronic device and control method of same electronic device |
| CN113726360A (en) * | 2020-05-26 | 2021-11-30 | Oppo广东移动通信有限公司 | Radio frequency PA Mid device, radio frequency transceiver and communication equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10686258B2 (en) | Hard-wired address for phased array antenna panels | |
| CN212588326U (en) | Radio frequency PA Mid device, radio frequency system and communication equipment | |
| US7330702B2 (en) | Method and apparatus for inter-chip wireless communication | |
| US8582546B2 (en) | Method and system for inter-PCB communications with wireline control | |
| CN212588327U (en) | Radio frequency PA Mid device, radio frequency transceiving system and communication equipment | |
| CN111525933B (en) | Radio frequency circuit and electronic equipment | |
| WO2021258855A1 (en) | Radio-frequency pa mid device, radio-frequency system and communication device | |
| CN103067059A (en) | Short wave receiving and sending communication channel process device based on delayed diversity and compact peripheral component interconnect (CPCI) bus | |
| US10396850B2 (en) | Modular microwave backhaul outdoor unit | |
| CN114553250A (en) | Radio frequency system and communication device | |
| CN114640371A (en) | Radio frequency transceiving system and communication device | |
| CN113726357A (en) | Radio frequency PA Mid device, radio frequency transceiving system and communication equipment | |
| US20090157927A1 (en) | Method and system for chip-to-chip communications with wireline control | |
| CN114710178A (en) | Radio frequency front-end module, communication circuit and electronic equipment | |
| WO2021109525A1 (en) | Method for digital wave control signal interface of large-scale antenna array | |
| CN114640370A (en) | Radio frequency transceiving system and communication device | |
| CN113726358A (en) | Radio frequency PA Mid device, radio frequency system and communication equipment | |
| CN101305496B (en) | Dual-band antenna front-end system | |
| CN115801039B (en) | Radio frequency front end module, antenna device and control method of radio frequency front end module | |
| CN109004946A (en) | Wide-band Lora communication terminal antenna | |
| US20200036094A1 (en) | Actuator | |
| WO2024001786A1 (en) | Active antenna device and communication device | |
| CN220823111U (en) | Multi-protocol device and multi-protocol equipment | |
| CN114640359B (en) | Radio frequency PA Mid device, radio frequency receiving and transmitting system and communication equipment | |
| CN214669611U (en) | Multi-frequency navigation signal and communication common-end antenna device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |