CN-116137538-B - Network communication device with full-band monitoring mechanism and network communication monitoring method thereof

CN116137538BCN 116137538 BCN116137538 BCN 116137538BCN-116137538-B

Abstract

A network communication device with a full-band monitoring mechanism comprises an antenna circuit, a receiving circuit, a plurality of sub-band filter circuits and a plurality of monitoring circuits. The antenna circuit receives a set of wireless signals in the full frequency band. The receiving circuit comprises a plurality of receivers for receiving the wireless signals to generate a set of received signals. The first part of the receivers are operated in a service mode to receive data signals corresponding to the working sub-frequency bands, and the second part of the receivers are operated in a monitoring mode to monitor interference signals of the monitoring sub-frequency bands in the full frequency band. The sub-band filtering circuits respectively filter the received signals generated by the receivers operating in the monitoring mode to generate filtered signals. The monitoring circuit monitors the filtered signals generated by the sub-band filtering circuits respectively to generate signal parameter statistical data.

Inventors

HONG KUNJIAN
HUANG TAIYI

Assignees

瑞昱半导体股份有限公司

Dates

Publication Date: 20260505
Application Date: 20211116

Claims (9)

1. A network communication device with full band monitoring mechanism, comprising: An antenna circuit configured to receive a set of wireless signals within a full frequency band; The receiving circuit comprises a plurality of receivers and is configured to receive the group of wireless signals to generate a group of received signals, wherein a first part of the plurality of receivers operate in a service mode to receive data signals corresponding to the working sub-frequency bands, and a second part of the plurality of receivers operate in a monitoring mode to monitor interference signals of a plurality of monitoring sub-frequency bands in the full frequency band; a plurality of sub-band filtering circuits configured to filter the received signals generated by the plurality of receivers operating in the monitoring mode, respectively, to generate filtered signals, and A plurality of monitoring circuits configured to monitor the filtered signals generated by the plurality of sub-band filtering circuits respectively to generate a plurality of signal parameter statistical data, The plurality of receivers of the second portion are configured to switch to the working sub-band when the plurality of receivers of the first portion receive a packet header, maintain the data signal reception in the working sub-band when the receiving capacity of the plurality of receivers of the first portion is judged to be insufficient according to the packet header, and switch back to the corresponding one of the plurality of monitoring sub-bands when the receiving capacity of the plurality of receivers of the first portion is judged to be sufficient according to the packet header.
2. The network communication device of claim 1, wherein each of the plurality of monitoring circuits comprises: A packet detection circuit configured to determine whether a preamble exists in the filtered signal to generate a preamble determination result, and A packet payload detection circuit configured to determine whether an orthogonal frequency division multiplexing symbol is present in the filtered signal to produce a symbol determination, Wherein the signal category statistical result in the plurality of signal parameter statistical data comprises the preamble judgment result and the statistical times of the symbol judgment result.
3. The network communication device of claim 1, wherein each of the plurality of monitoring circuits comprises: an energy detection circuit configured to determine a signal energy of the filtered signal, and A signal strength detection circuit configured to determine a signal strength indication of the filtered signal; Wherein signal strength and distance statistics in the plurality of signal parameter statistics comprise the signal energy and the signal strength indication.
4. The network communication device of claim 1, further comprising: a storage circuit configured to store the plurality of signal parameter statistics, and The processing circuit is configured to access the plurality of signal parameter statistical data from the storage circuit so as to judge the signal type, the signal strength and the distance of the corresponding one of the plurality of monitoring sub-bands.
5. The network communication device of claim 4, wherein the processing circuit is further configured to set the operating sub-band for communication based on the signal class and the signal strength and distance for each of the plurality of monitoring sub-bands.
6. The network communication device of claim 1, wherein each of the plurality of receivers comprises a plurality of mixers, the plurality of receivers of the second portion being configured to switch to the operating sub-band through the plurality of mixers for data signal reception in concert with the corresponding plurality of receivers of the first portion when the plurality of receivers of the first portion are not sufficiently receptive.
7. The network communication device of claim 6, wherein the plurality of receivers of the second portion switch back to a corresponding one of the plurality of monitoring sub-bands after reception of the data signal is completed.
8. The network communication device of claim 1, wherein the packet header includes a short training field, a long training field, and a signal field, the plurality of receivers of the second portion determining whether the receiving capability of the plurality of receivers of the first portion is sufficient based on one of the short training field, the long training field, and the signal field.
9. A network communication monitoring method with a full-band monitoring mechanism comprises the following steps: Enabling the antenna circuit to receive a group of wireless signals in a full frequency band; Receiving the set of wireless signals by a plurality of receivers contained in a receiving circuit to generate a set of received signals, wherein a first part of the plurality of receivers operate in a service mode to receive data signals corresponding to the working sub-frequency band, and a second part of the plurality of receivers operate in a monitoring mode to monitor interference signals of a plurality of monitoring sub-frequency bands in the full frequency band; Causing a plurality of sub-band filtering circuits to filter the received signals generated by the plurality of receivers operating in the monitoring mode respectively to generate filtered signals, and A plurality of monitoring circuits are used for respectively monitoring the filtered signals generated by the sub-band filtering circuits so as to generate a plurality of signal parameter statistical data, The plurality of receivers of the second portion are configured to switch to the working sub-band when the plurality of receivers of the first portion receive a packet header, maintain the data signal reception in the working sub-band when the receiving capacity of the plurality of receivers of the first portion is judged to be insufficient according to the packet header, and switch back to the corresponding one of the plurality of monitoring sub-bands when the receiving capacity of the plurality of receivers of the first portion is judged to be sufficient according to the packet header.

Description

Network communication device with full-band monitoring mechanism and network communication monitoring method thereof Technical Field The present invention relates to a technology, and more particularly, to a network communication device with a full-band monitoring (full band monitoring) mechanism and a network communication monitoring method thereof. Background In wireless network communications, different frequency bands may have different load conditions depending on the environment. For example, some bands may be more noisy due to more ongoing communications, while other bands may be cleaner without ongoing communications. Since the load of the frequency band affects the quality of wireless communication, the network communication device can have a frequency band monitoring mechanism to monitor the status of each sub-frequency band, so as to improve the communication efficiency. However, the cost of obtaining the load information is high, and it is often necessary to operate the receiver alternately in the operation mode and the monitoring mode. When the number of frequency bands is larger, the receiver needs to spend more time to complete the monitoring and data collection, and the efficiency of frequency band monitoring is reduced. Disclosure of Invention In view of the foregoing problems, an objective of the present invention is to provide a network communication device with a full-band monitoring mechanism and a network communication monitoring method thereof, so as to improve the prior art. The invention comprises a network communication device with a full-band monitoring mechanism, which comprises an antenna circuit, a receiving circuit, a plurality of sub-band filter circuits and a plurality of monitoring circuits. The antenna circuit is configured to receive a set of wireless signals in a full frequency band. The receiving circuit comprises a plurality of receivers configured to receive the set of wireless signals to generate a set of received signals, wherein the first part of the receivers operate in a service mode to receive data signals corresponding to the operating sub-bands, and the second part of the receivers operate in a monitoring mode to monitor interference signals of a plurality of monitoring sub-bands in a full band. The sub-band filtering circuit is configured to filter the set of received signals generated by the receiver operating in the monitoring mode, respectively, to generate filtered signals. The monitoring circuit is configured to monitor the filtered signals generated by the sub-band filtering circuits respectively to generate a plurality of signal parameter statistical data. The invention further comprises a network communication monitoring method with a full-band monitoring mechanism, which comprises the steps of enabling an antenna circuit to receive a group of wireless signals in a full-band, enabling a plurality of receivers contained in a receiving circuit to receive the group of wireless signals to generate a group of received signals, enabling a first part of receivers to operate in a service mode to receive data signals corresponding to working sub-bands, enabling a second part of receivers to operate in a monitoring mode to monitor interference signals of a plurality of monitoring sub-bands in the full-band, enabling a plurality of sub-band filtering circuits to respectively filter the group of received signals generated by the receivers operating in the monitoring mode to generate filtered signals, and enabling the plurality of monitoring circuits to respectively monitor the filtered signals generated by the sub-band filtering circuits to generate a plurality of signal parameter statistical data. The features, implementation and functions of the present invention are described in detail below with reference to the preferred embodiments shown in the drawings. Drawings FIG. 1 is a block diagram of a mesh network system with a data stream ordering mechanism according to one embodiment of the present invention; FIG. 2 is a block diagram of a monitoring circuit according to an embodiment of the invention; Fig. 3A and 3B are schematic diagrams showing two receivers respectively, a first portion and a second portion, according to an embodiment of the present invention; FIG. 4 is a timing diagram illustrating the operation of the receiver for receiving data packets according to one embodiment of the present invention, and Fig. 5 is a flowchart of a method for monitoring network communication with a data stream ordering mechanism according to an embodiment of the present invention. Detailed Description One objective of the present invention is to provide a network communication device with a full-band monitoring mechanism and a network communication monitoring method thereof, which avoid time waste and incomplete information caused by continuous skip switching between different frequency bands by means of a plurality of receivers operating in a monitoring mode and corre