阅读说明：本技术 一种自组网内同步波束选择装置 (Synchronous wave beam selection device in ad hoc network ) 是由 詹新平 于 2019-09-19 设计创作，主要内容包括：本发明提供一种自组网内同步波束选择装置,包括基带芯片、射频收发模块一、功率放大模块一、天线选择开关一、全向天线、射频收发模块二、功率放大模块二、天线选择开关二和多波束天线组成。本发明克服现有技术的不足,在自组网设备内配备两个单独的天线通道,一个全向天线和多个覆盖360°方向的定向天线,多个定向天线可以是一副多波束天线,也可以是一个相控阵天线。这样,根据其当前应用模式从中选择一支天线通道实现全向天线的收发或多波束天线的收发,使得其无线收发性能达到最优化；本发明的技术方案能够有效的选择不同的天线,同时,控制电路简单分明,便于后续使用过充中问题的排查和维修。(The invention provides a synchronous beam selection device in an ad hoc network, which comprises a baseband chip, a radio frequency transceiver module I, a power amplification module I, an antenna selection switch I, an omnidirectional antenna, a radio frequency transceiver module II, a power amplification module II, an antenna selection switch II and a multi-beam antenna. The invention overcomes the defects of the prior art, two independent antenna channels are arranged in the ad hoc network equipment, one omnidirectional antenna and a plurality of directional antennas covering 360 degrees, and the plurality of directional antennas can be a pair of multi-beam antennas or a phased array antenna. Therefore, one antenna channel is selected according to the current application mode to realize the transceiving of the omnidirectional antenna or the transceiving of the multi-beam antenna, so that the wireless transceiving performance of the antenna is optimized; the technical scheme of the invention can effectively select different antennas, and meanwhile, the control circuit is simple and clear, thereby facilitating the troubleshooting and maintenance of problems in subsequent use and overcharge.)

1. A synchronous beam selection device in an ad hoc network is characterized by comprising a baseband chip, a first radio frequency transceiver module, a first power amplification module, a first antenna selection switch, an omnidirectional antenna, a second radio frequency transceiver module, a second power amplification module, a second antenna selection switch and a multi-beam antenna, wherein the baseband chip is electrically connected with the first radio frequency transceiver module, the first radio frequency transceiver module is electrically connected with the first power amplification module, the first power amplification module is electrically connected with the first antenna selection switch, the first antenna selection switch is electrically connected with the omnidirectional antenna, the baseband chip is electrically connected with the second radio frequency transceiver module, the second radio frequency transceiver module is electrically connected with the second power amplification module, the second power amplification module is electrically connected with the second antenna selection switch, and the second line selection switch is electrically connected with the multi-beam antenna; the baseband chip is composed of a baseband processing module and a protocol control module, the baseband processing module demodulates signals and sends the demodulated signals to the protocol control module, and the protocol control module controls signal selection of the antenna selection switch I and the antenna selection switch II respectively; the protocol control module is used for controlling to simultaneously send a switch-on signal control to the first antenna selection switch and the second antenna selection switch according to the current application mode of the baseband processing module, and the first antenna selection switch and the second antenna selection switch simultaneously open the same signal channel; the first radio frequency transceiving module and the second radio frequency transceiving module have the same structure, and the first radio frequency transceiving module comprises an ADC/DAC module and a frequency conversion module; and a local oscillator module is further arranged in the radio frequency transceiving module I and provides local oscillator signals for the frequency conversion module.

Technical Field

The invention relates to the technical field of control devices, in particular to a synchronous beam selection device in an ad hoc network.

Background

A mobile ad hoc network is a temporary, decentralized system consisting of a set of nodes with wireless communication capabilities. The traditional mobile ad hoc network uses an omnidirectional antenna when receiving and transmitting data, the antenna has wide coverage, but the effective power in a specific direction is not large, so that the power waste is easily caused, the interference is brought to the communication of other surrounding nodes, and the network capacity and the communication quality are reduced. With the development of antenna technology, a directional antenna is adopted in a mobile ad hoc network, so that the network capacity can be greatly improved, the interference can be reduced, the safety can be improved, and the communication distance can be increased, so that a device capable of selecting an omnidirectional antenna or a multi-beam antenna in the ad hoc network is yet to be developed.

Disclosure of Invention

In order to solve the above problems, and in particular to overcome the defects in the prior art, the present invention provides a device for selecting a synchronous beam in an ad hoc network, which can solve the above problems.

In order to achieve the purpose, the invention adopts the following technical means:

a synchronous wave beam selection device in an ad hoc network comprises a baseband chip, a first radio frequency transceiving module, a first power amplification module, a first antenna selection switch, an omnidirectional antenna, a second radio frequency transceiving module, a second power amplification module, a second antenna selection switch and a multi-beam antenna, wherein the baseband chip is electrically connected with the first radio frequency transceiving module, the first radio frequency transceiving module is electrically connected with the first power amplification module, the first power amplification module is electrically connected with the first antenna selection switch, the first antenna selection switch is electrically connected with the omnidirectional antenna, the baseband chip is electrically connected with the second radio frequency transceiving module, the second radio frequency transceiving module is electrically connected with the second power amplification module, the second power amplification module is electrically connected with the second antenna selection switch, and the second line selection switch is electrically connected with the multi-beam antenna.

Furthermore, the baseband chip is composed of a baseband processing module and a protocol control module, the baseband processing module demodulates signals and sends the demodulated signals to the protocol control module, and the protocol control module controls signal selection of the antenna selection switch I and the antenna selection switch II respectively.

Further, the protocol control module is used for sending a switch-on signal control to the first antenna selection switch and the second antenna selection switch simultaneously according to the current application mode control of the baseband processing module, and the first antenna selection switch and the second antenna selection switch open the same signal channel simultaneously.

Further, the first radio frequency transceiver module and the second radio frequency transceiver module have the same structure, and the first radio frequency transceiver module comprises an ADC/DAC module and a frequency conversion module.

Furthermore, a local oscillation module is further arranged in the first radio frequency transceiver module, and provides a local oscillation signal for the frequency conversion module.

The invention has the beneficial effects that: the invention overcomes the defects of the prior art, two independent antenna channels are arranged in the ad hoc network equipment, one omnidirectional antenna and a plurality of directional antennas covering 360 degrees, and the plurality of directional antennas can be a pair of multi-beam antennas or a phased array antenna. Therefore, one antenna channel is selected according to the current application mode to realize the transceiving of the omnidirectional antenna or the transceiving of the multi-beam antenna, so that the wireless transceiving performance of the antenna is optimized; the technical scheme of the invention can effectively select different antennas, and meanwhile, the control circuit is simple and clear, thereby facilitating the troubleshooting and maintenance of problems in subsequent use and overcharge, improving the customer satisfaction degree and being easy to popularize.

Drawings

FIG. 1 is a system block diagram of the present invention;

FIG. 2 is a block diagram of the baseband chip of the present invention;

fig. 3 is a block diagram of a first rf transceiver module according to the present invention.

Detailed Description

The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings.

As shown in fig. 1 to 3, the present invention provides an ad hoc network internal synchronization beam selection apparatus, which includes a baseband chip 1, a first radio frequency transceiver module 2, a first power amplifier module 3, a first antenna selection switch 4, an omnidirectional antenna 5, a second radio frequency transceiver module 6, a second power amplifier module 7, a second antenna selection switch 8, and a multibeam antenna 9, wherein the baseband chip 1 is electrically connected to the first radio frequency transceiver module 2, the first radio frequency transceiver module 2 is electrically connected to the first power amplifier module 3, the first power amplifier module 3 is electrically connected to the first antenna selection switch 4, the first antenna selection switch 4 is electrically connected to the omnidirectional antenna 5, the baseband chip 1 is electrically connected to the second radio frequency transceiver module 6, the second radio frequency transceiver module 6 is electrically connected to the second power amplifier module 7, and the second power amplifier module 7 is electrically connected to the second antenna selection switch 8, the second line selection switch 8 is electrically connected with the multi-beam antenna 9;

the baseband chip 1 consists of a baseband processing module 101 and a protocol control module 102, the baseband processing module 101 demodulates signals and sends the demodulated signals to the protocol control module 102, and the protocol control module 102 respectively controls the signal selection of an antenna selection switch I4 and an antenna selection switch II 8;

the protocol control module 102 is configured to send a turn-on signal control to the antenna selection switch i 4 and the antenna selection switch ii 8 simultaneously according to the current application mode control of the baseband processing module 101, where the antenna selection switch i 4 and the antenna selection switch ii 8 open the same signal channel simultaneously;

the first radio frequency transceiving module 2 and the second radio frequency transceiving module 6 have the same structure, the first radio frequency transceiving module 2 comprises an ADC/DAC module 201, a frequency conversion module 202 and a local oscillation module 203, and the local oscillation module 203 provides a local oscillation signal for the frequency conversion module 202.

When receiving signals, the protocol control module 102 controls the antenna selection switch I4 and the antenna selection switch II 8 to respectively amplify the signals of the omnidirectional antenna and the antenna array through the power amplification module and then input the amplified signals to the two radio frequency receiving channels, and then the amplified signals are sent to the baseband processing module 101, the baseband processing module 101 demodulates the signals, and the demodulated signals are sent to the protocol control module 102; in each radio frequency receiving channel, the signals sequentially pass through the down-conversion of the frequency conversion module and the analog-to-digital conversion of the ADC/DAC module;

when a signal is transmitted, the baseband processing module 101 generates a baseband signal under the control of the protocol control module 102 and simultaneously transmits the baseband signal to the radio frequency transceiving module one 2 and the radio frequency transceiving module two 6, the ADC/DAC module 201 in the radio frequency transceiving module one 2 and the radio frequency transceiving module two 6 performs digital-to-analog conversion on the signal and transmits the converted signal to the frequency conversion module 202 for up-conversion, the protocol control module 102 controls the antenna selection switch one 4 and the antenna selection switch two 8 to simultaneously open an omnidirectional antenna signal channel or a multibeam antenna signal channel according to a previously received demodulation signal, and when the demodulation signal is an omnidirectional antenna signal, the omnidirectional antenna 5 is connected to the antenna selection switch one 4, so that the up-converted signal is amplified by the power amplification module one 3 and then transmitted through the omnidirectional antenna 5; when the demodulated signal is a multi-beam antenna signal, the antenna selection switch two 8 is connected to the multi-beam antenna 9, so that the up-converted signal is amplified by the power amplification module two 7 and then transmitted through the multi-beam antenna 9.

The invention relates to a synchronous wave beam selection device in an ad hoc network, which overcomes the defects of the prior art, and is characterized in that two independent antenna channels, an omnidirectional antenna and a plurality of directional antennas covering 360 degrees are arranged in ad hoc network equipment, and the plurality of directional antennas can be a pair of multi-beam antennas or a phased array antenna. Therefore, one antenna channel is selected according to the current application mode to realize the transceiving of the omnidirectional antenna 5 or the transceiving of the multi-beam antenna 9, so that the wireless transceiving performance of the antenna is optimized; the technical scheme of the invention can effectively select different antennas, and meanwhile, the control circuit is simple and clear, thereby facilitating the troubleshooting and maintenance of problems in subsequent use and overcharge.