Wireless communication device

Abstract

The utility model discloses a wireless communication device, and relates to the technical field of communication. The wireless communication device comprises an antenna used for receiving and sending wireless signals; the radio frequency front end is used for amplifying and filtering wireless signals, and the radio frequency front end is connected with the antenna; the modulator-demodulator is used for modulating and demodulating wireless signals, and the modulator-demodulator is connected with the radio frequency front end; the baseband processor is used for processing an output signal of the modem, and the baseband processor is connected with the modem; and the microprocessor is used for processing data and is connected with the modem and the baseband processor. According to the device, the wireless signal processing efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of communication, in particular to a wireless communication device. Background Art

[0002] With the rapid development of wireless communication technology, people's demand for wireless communication equipment is also increasing. Wireless communication equipment plays an important role in various scenarios, including personal communication, enterprise data transmission, IoT device connection, etc. These devices need to efficiently process and transmit large amounts of data while maintaining signal stability and reliability to meet the high standards of modern society for communication speed and quality.

[0003] However, existing technologies face some challenges in processing high-speed data streams and multi-band signals. Although the components of existing technologies can basically meet communication needs, the processing capabilities and signal management efficiency of existing systems are often limited when faced with higher and higher data transmission rates and wider frequency band coverage requirements, affecting the overall performance of wireless communication devices and user experience. Utility Model Content

[0004] In order to solve the problems and shortcomings of the above-mentioned related technologies, an object of the present invention is to provide a wireless communication device that can improve the efficiency of wireless signal processing.

[0005] To achieve the above-mentioned purpose, in the first aspect, the present application provides a wireless communication device, including: an antenna for receiving and sending wireless signals; a radio frequency front end for amplifying and filtering wireless signals, the radio frequency front end is connected to the antenna; a modem for modulating and demodulating wireless signals, the modem is connected to the radio frequency front end; a baseband processor for processing the output signal of the modem, the baseband processor is connected to the modem; a microprocessor for processing data, the microprocessor is connected to the modem and the baseband processor.

[0006] In the above embodiments, a wireless communication device with high integration and optimized structure is provided, which can be used in different wireless communications, such as mobile communication, wireless local area network, etc. Compared with the prior art, the wireless communication device has a simple and reasonable structure, and the functions of each component are clear, which can effectively complete the processing of wireless signals and improve work efficiency and performance.

[0007] In combination with some embodiments of the first aspect, in some embodiments, the RF front end includes an amplifier, a bandpass filter, and a low noise amplifier.

[0008] In the above embodiments, the accuracy and efficiency of subsequent demodulation and signal processing are improved.

[0009] In combination with some embodiments of the first aspect, in some embodiments, the modem further includes a modulator, a demodulator, and a local oscillator.

[0010] In the above embodiments, modulation and demodulation processing of wireless signals are implemented, thereby improving stability and reliability.

[0011] In combination with some embodiments of the first aspect, in some embodiments, the baseband processor further includes an encoder, a decoder, and a synchronizer.

[0012] In the above embodiments, the reliability of data processing and transmission of the wireless communication device is enhanced.

[0013] In combination with some embodiments of the first aspect, in some embodiments, a housing is further included for accommodating and protecting internal electronic components, and the housing is connected to the antenna, the RF front end, the modem, the baseband processor and the microprocessor.

[0014] In the above embodiment, the housing can accommodate and protect the electronic components inside the device, and is connected to the antenna, the RF front end, the modem, the baseband processor and the microprocessor. Compared with the prior art, the housing makes the structure of the wireless communication device more compact, and the internal components are well mechanically protected and not easily damaged.

[0015] In combination with some embodiments of the first aspect, in some embodiments, a power supply is further included to provide power to the RF front end, the modem, the baseband processor and the microprocessor.

[0016] In the above embodiment, an independent power supply is provided to avoid power supply interference caused by a shared power supply, so that each key component can obtain a clean and stable power supply, thereby improving the anti-interference performance of the wireless communication device.

[0017] In combination with some embodiments of the first aspect, in some embodiments, a memory is further included for storing data, and the memory is connected to the microprocessor.

[0018] In the above embodiment, an independent memory is provided to provide the microprocessor with sufficient storage space to store data, such as program code, user data, etc., thereby enhancing the storage capacity of the wireless communication device. Compared with using the built-in cache of the microprocessor, the independent memory has a larger space and can store more information, thereby improving the flexibility of data processing.

[0019] In combination with some embodiments of the first aspect, in some embodiments, the memory includes a random access memory and a read-only memory.

[0020] In the above embodiments, different types of memories are used according to data characteristics, thereby improving storage performance.

[0021] In combination with some embodiments of the first aspect, in some embodiments, a display screen is further included for displaying working status and operation information, and the display screen is connected to the microprocessor.

[0022] In the above embodiment, an independent display screen is provided so that the user can intuitively see the working status of the wireless communication device, such as signal strength, transmission rate and other information, which is convenient for user monitoring.

[0023] In combination with some embodiments of the first aspect, in some embodiments, a navigation satellite system receiver is further included for acquiring time and position, and the navigation satellite system receiver is connected to the microprocessor.

[0024] In the above embodiment, high-precision time and position are obtained through a satellite navigation system receiver to provide accurate time synchronization and positioning services for wireless communication devices, which is crucial for some wireless communications that require time synchronization or position determination.

[0025] A wireless communication device provided in an embodiment of the present application has at least the following technical effects or advantages:

[0026] 1. Due to the modular design of antenna, RF front end, modem, baseband processor and microprocessor, the complete coverage of the signal chain at the receiving end is achieved, and the amplification, filtering, modulation / demodulation, encoding / decoding and other processing of each signal chain link can be optimized in a targeted manner, so that in a high-speed data environment, the efficiency and quality of the signal capture, amplification and processing at the receiving end are improved, thereby effectively solving the problems of low efficiency and easy errors in the signal chain at the receiving end in the prior art, realizing efficient and low bit error rate transmission of signal reception under high-speed data, and significantly improving the anti-interference ability and reliability of wireless communication devices.

[0027] 2. Due to the use of an RF front end including an amplifier, a bandpass filter and a low-noise amplifier, the received signal can be effectively filtered and amplified, interference noise can be filtered out, the receiving sensitivity can be improved, and high-quality, low-noise signals can be provided for subsequent modulation, demodulation and signal processing. Compared with the RF front-end design in the prior art, this can greatly improve the quality of the received signal, reduce the bit error rate in modulation, demodulation and signal processing, and thus achieve faster and more reliable data transmission. It improves the processing quality of the entire signal chain.

[0028] 3. The baseband processor design of encoder, decoder and symbol synchronizer can effectively improve the signal error correction and anti-interference capabilities, and ensure the symbol synchronization between the receiving end and the transmitting end, greatly reducing the bit error rate of data in wireless channel transmission and enhancing the reliable transmission of signals. This is a substantial improvement over the existing technology, allowing wireless communication devices to maintain stable operation with low bit error rate in complex environments. The reliability and stability of data transmission are comprehensively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a module connection diagram of an embodiment of the utility model;

[0030] Figure 2 It is another module connection diagram of an embodiment of the utility model.

[0031] Description of reference numerals:

[0032] 1. Antenna; 2. RF front end; 3. Modem; 4. Baseband processor; 5. Microprocessor; 6. Housing; 7. Power supply; 8. Memory; 9. Display; 10. Navigation satellite system receiver; 21. Amplifier; 22. Bandpass filter; 23. Low noise amplifier; 31. Modulator; 32. Demodulator; 33. Local oscillator; 41. Encoder; 42. Decoder; 43. Synchronizer; 81. Random access memory; 82. Read-only memory. DETAILED DESCRIPTION

[0033] The terms used in the following embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to be used as limitations to the present application. As used in the specification and appended claims of the present application, the singular expressions "one", "a kind of", "said", "above", "the" and "this" are intended to also include plural expressions, unless there is a clear indication to the contrary in the context. It should also be understood that the term "and / or" used in the present application refers to any or all possible combinations comprising one or more listed items.

[0034] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as suggesting or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features, and in the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

[0035] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0036] The present utility model provides a wireless communication device, such as Figure 1 As shown, Figure 1 It is a module connection diagram of an embodiment of the utility model, including:

[0037] Antenna 1, used for receiving and sending wireless signals;

[0038] The radio frequency front end 2 is used to amplify and filter the wireless signal, and the radio frequency front end 2 is connected to the antenna 1;

[0039] Modem 3, used for modulating and demodulating wireless signals, modem 3 is connected to RF front end 2;

[0040] A baseband processor 4, used for processing an output signal of the modem, the baseband processor 4 is connected to the modem 3;

[0041] The microprocessor 5 is used for processing data. The microprocessor 5 is connected to the modem 3 and the baseband processor 4 .

[0042] Specifically, the antenna 1 is the interface between the wireless communication device and the airborne signal, and is responsible for capturing the radio waves in the air or transmitting the radio wave signals to be transmitted. The RF front end 2 is connected to the antenna 1, and it plays the role of amplification and filtering. The amplification function is to enhance the strength of the weak signal received from the antenna; the filtering function is to filter out useless frequency components and retain only the required signal frequency band, which can improve the signal quality. The modem 3 is connected behind the RF front end 2, and it is responsible for the modulation and demodulation process of the signal. Modulation is to convert digital or analog signals into high-frequency carriers for wireless transmission; demodulation is to restore the original signal after receiving the signal. The baseband processor 4 is connected to the modem 3 to process the demodulated digital signal, such as channel coding, decoding, timing synchronization, etc., to improve the reliability and efficiency of data transmission in the channel. The microprocessor 5 is responsible for controlling the entire wireless communication device, and also performs the final business processing on the data. It is connected to both the modem 3 and the baseband processor 4, and can coordinate the work of the entire wireless communication device.

[0043] For ease of understanding, the wireless communication device provided by this embodiment is further described below. Figure 2 , Figure 2 It is another module connection diagram of an embodiment of the utility model.

[0044] In some embodiments, the RF front end 2 includes an amplifier 21 , a bandpass filter 22 , and a low noise amplifier 23 .

[0045] Specifically, the amplifier 21 is used to increase the power of the received signal; the bandpass filter 22 is used to filter out unnecessary frequency components and retain the required signal frequency band; the low noise amplifier 23 is used to improve the signal-to-noise ratio. The combination of the three can effectively improve the sensitivity of the receiving end, filter interference noise, and ensure that the subsequent modem and baseband processing obtain high-quality original signals, thereby improving the accuracy and efficiency of subsequent demodulation and signal processing.

[0046] In some embodiments, the modem 3 further includes a modulator 31 , a demodulator 32 , and a local oscillator 33 .

[0047] Specifically, the modulator 31 performs data modulation; the demodulator 32 performs data demodulation; and the local oscillator 33 provides a carrier signal. The combination of the three can complete the modulation and demodulation processing of the wireless signal, making the structure of the wireless communication device more perfect. At the same time, the local oscillator 33 provides a stable carrier signal for the modulation and demodulation function, thereby improving stability and reliability.

[0048] In some embodiments, the baseband processor 4 further includes an encoder 41 , a decoder 42 , and a synchronizer 43 .

[0049] Specifically, the encoder 41 performs channel encoding on the transmitted data to improve the anti-interference capability; the decoder 42 decodes the received signal and restores the original data; the synchronizer 43 completes the symbol synchronization to ensure that the symbols of the receiving end and the transmitting end are synchronized. The combination of the three can effectively improve the reliable transmission of data on the wireless channel. Compared with the prior art, the encoder 41 improves the error correction capability of the signal, the decoder 42 restores the original data, and the synchronizer 43 ensures the synchronization of the receiving end, thereby greatly reducing data transmission errors.

[0050] In some embodiments, a housing 6 is also included for accommodating and protecting the internal electronic components. The housing 6 is connected to the antenna 1 , the RF front end 2 , the modem 3 , the baseband processor 4 and the microprocessor 5 .

[0051] Specifically, the housing 6 is a mechanical structure, and its internal space can accommodate components such as the antenna 1, the RF front end 2, the modem 3, the baseband processor 4, and the microprocessor 5. The housing 6 is provided with a connector interface adapted to connect with these internal components.

[0052] In some embodiments, a power supply 7 is also included to provide power to the RF front end 2 , the modem 3 , the baseband processor 4 and the microprocessor 5 .

[0053] Specifically, the power supply 7 can provide DC voltages of different specifications, such as 5V, 3.3V, etc., through a battery or a power grid to match the operating voltage requirements of different electronic components.

[0054] In some embodiments, a memory 8 is further included for storing data, and the memory 8 is connected to the microprocessor 5 .

[0055] Specifically, the memory can provide the microprocessor with sufficient program and data storage space. Different types of memory can be optimized according to access characteristics to improve the performance of the wireless communication device.

[0056] In some embodiments, the memory 8 includes a random access memory 81 and a read-only memory 82 .

[0057] Specifically, the random access memory 81 is usually in the form of DRAM or SRAM, etc., and has the characteristics of fast reading and writing and arbitrary access data storage. The random access memory 81 is mainly used to store variable data during the operation of the wireless communication device, as well as data in business processing. Its advantages are fast access speed and the ability to update data at any time.

[0058] The read-only memory 82 is usually in the form of ROM, EPROM or Flash, and can store stable read-only data. The read-only memory 82 is mainly used to store program codes that need to be loaded and executed when the wireless communication device is turned on, as well as some important parameter settings that do not need to be frequently modified. Its advantage is that it can perform non-volatile storage and will not be lost due to power failure. It is also more suitable for storing data that needs to be stored for a long time.

[0059] According to the characteristics of the two memories, the combination of random access memory 81 and read-only memory 82 can obtain both fast access and updated data storage space and stable and reliable non-volatile program and data storage space, achieving a balance in storage performance, reliability and cost-effectiveness. The working storage requirements of the entire wireless communication device can be well met.

[0060] In some embodiments, a display screen 9 is also included for displaying working status and operation information, and the display screen 9 is connected to the microprocessor 5.

[0061] Specifically, the display screen 9 can be a display panel such as LCD, OLED, etc., and is arranged on the housing of the wireless communication device to interact with the user. Through the display screen 9, the user can clearly understand the working status of the wireless communication device and perform corresponding operations or monitoring.

[0062] In some embodiments, a navigation satellite system receiver 10 is further included for acquiring time and position, and the navigation satellite system receiver 10 is connected to the microprocessor 5 .

[0063] Specifically, common navigation satellite systems include GPS, BeiDou, Galileo, etc. The navigation satellite system sends signals to the ground through multiple satellites, and the navigation satellite system receiver can calculate the precise time and space coordinates based on the multiple satellite signals.

[0064] The wireless communication device of this embodiment includes: an antenna 1, a radio frequency front end 2, a modem 3, a baseband processor 4, and a microprocessor 5, wherein the radio frequency front end 2 includes: an amplifier 21, a bandpass filter 22, and a low noise amplifier 23; the modem 3 includes: a modulator 31, a demodulator 32, and a local oscillator 33; the baseband processor 4 includes: an encoder 41, a decoder 42, and a synchronizer 43. The wireless communication device also includes: a housing 6, a power supply 7, a memory 8, a display screen 9, and a navigation satellite system receiver 10, wherein the memory 8 includes: a random access memory 81 and a read-only memory 82.

[0065] Antenna 1, used for receiving and sending wireless signals;

[0066] The radio frequency front end 2 is used to amplify and filter the wireless signal, and the radio frequency front end 2 is connected to the antenna 1;

[0067] Modem 3, used for modulating and demodulating wireless signals, modem 3 is connected to RF front end 2;

[0068] A baseband processor 4, used for processing an output signal of the modem, the baseband processor 4 is connected to the modem 3;

[0069] The microprocessor 5 is used for processing data. The microprocessor 5 is connected to the modem 3 and the baseband processor 4 .

[0070] Amplifier 21 , bandpass filter 22 , low noise amplifier 23 .

[0071] Modulator 31 , demodulator 32 , and local oscillator 33 .

[0072] Encoder 41 , decoder 42 , synchronizer 43 .

[0073] The housing 6 is used to accommodate and protect the internal electronic components. The housing 6 is connected to the antenna 1, the RF front end 2, the modem 3, the baseband processor 4 and the microprocessor 5.

[0074] The power supply 7 is used to provide power to the RF front end 2 , the modem 3 , the baseband processor 4 and the microprocessor 5 .

[0075] The memory 8 is used to store data, and the memory 8 is connected to the microprocessor 5 .

[0076] Random access memory 81 and read-only memory 82.

[0077] The display screen 9 is used to display the working status and operation information, and the display screen 9 is connected to the microprocessor 5.

[0078] The navigation satellite system receiver 10 is used to obtain time and position. The navigation satellite system receiver 10 is connected to the microprocessor 5 .

[0079] The above-mentioned aspects can improve the efficiency of wireless signal processing.

Claims

1. A wireless communication device, characterized in that: include: Antennas, used to receive and send wireless signals; A radio frequency front end, used for amplifying and filtering the wireless signal, the radio frequency front end being connected to the antenna; A modem, used for modulating and demodulating the wireless signal, the modem being connected to the RF front end; A baseband processor, used for processing an output signal of the modem, the baseband processor being connected to the modem; A microprocessor is used for processing data, and the microprocessor is connected with the modem and the baseband processor.

2. A wireless communication device according to claim 1, characterized in that: The radio frequency front end includes an amplifier, a bandpass filter, and a low noise amplifier.

3. A wireless communication device according to claim 1, characterized in that: The modem also includes a modulator, a demodulator, and a local oscillator.

4. A wireless communication device according to claim 1, characterized in that: The baseband processor also includes an encoder, a decoder, and a synchronizer.

5. A wireless communication device according to claim 1, characterized in that: It also includes a shell for accommodating and protecting the internal electronic components, and the shell is connected to the antenna, the radio frequency front end, the modem, the baseband processor and the microprocessor.

6. A wireless communication device according to claim 1, characterized in that: A power supply is also included for providing power to the RF front end, the modem, the baseband processor and the microprocessor.

7. A wireless communication device according to claim 1, characterized in that: It also includes a memory for storing data, and the memory is connected to the microprocessor.

8. A wireless communication device according to claim 7, characterized in that: The memory includes a random access memory and a read-only memory.

9. A wireless communication device according to claim 1, characterized in that: It also includes a display screen for displaying working status and operation information, and the display screen is connected to the microprocessor.

10. A wireless communication device according to claim 1, characterized in that: It also includes a navigation satellite system receiver for acquiring time and position, and the navigation satellite system receiver is connected to the microprocessor.

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