CN111726792B

CN111726792B - Wireless communication method, wireless communication apparatus, storage medium, and computer device

Info

Publication number: CN111726792B
Application number: CN202010442312.3A
Authority: CN
Inventors: 吴信宪
Original assignee: Shenzhen Southern Silicon Valley Semiconductor Co ltd
Current assignee: Shenzhen Nanfang Silicon Valley Semiconductor Co.,Ltd.
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-09-28
Anticipated expiration: 2040-05-22
Also published as: CN111726792A

Abstract

The invention provides a wireless communication method, a device, a storage medium and computer equipment, wherein the device comprises: the wireless transceiver comprises a controller and a wireless transceiving path controlled by the controller; the wireless transceiving path comprises a plurality of paths; the different wireless transceiving paths correspondingly receive and transmit different frequency band signals, are used for detecting the state of the corresponding frequency band and transmitting detection information to the controller; and the controller selects the corresponding wireless transceiving path to receive the data to be received or send the data to be transmitted according to the detection information of each wireless transceiving path. The invention has the beneficial effects that: the controller correspondingly detects the states of the frequency bands through the wireless transceiving paths, and receives data to be received or sends the data to be transmitted through the corresponding wireless transceiving paths according to the detection result, so that the optimal frequency band is selected to send the data, and the transmission efficiency is improved.

Description

Wireless communication method, wireless communication apparatus, storage medium, and computer device

Technical Field

The present invention relates to the field of wireless communications, and in particular, to a wireless communication method, apparatus, storage medium, and computer device.

Background

At present, in the field of wireless communication, 2.4GHz bands are widely used, such as microwave ovens, bluetooth, and the like, and with the development of technologies, the number of devices using 2.4GHz bands increases, and interference is formed between the devices, so that signals cannot be smoothly sent and received; fewer devices use 5GHz, and the interference to transmit data using the 5GHz band is less due to the wider bandwidth, but the distance that the 5GHz band can transmit is shorter. Therefore, there are many limitations to the transmission method using only the 2.4GHz and 5GHz bands.

Disclosure of Invention

The invention mainly aims to provide a wireless communication method, a wireless communication device, a storage medium and computer equipment, and aims to solve the technical problems of various limitations of a transmission mode which simply uses 2.4GHz and 5GHz frequency bands.

The present invention provides a wireless communication apparatus, including: the wireless transceiver comprises a controller and a wireless transceiving path controlled by the controller;

the wireless transceiving path comprises a plurality of paths;

the different wireless transceiving paths correspondingly receive and transmit different frequency band signals, are used for detecting the state of the corresponding frequency band and transmitting detection information to the controller;

and the controller selects the corresponding wireless transceiving path to receive the data to be received or send the data to be transmitted according to the detection information of each wireless transceiving path.

The wireless transceiver further comprises a storage circuit, wherein the storage circuit is provided with a plurality of transmission buffer areas, and a plurality of wireless transceiving paths are correspondingly connected with the plurality of transmission buffer areas one by one;

the transmission buffer area is used for buffering the data to be transmitted when the data to be transmitted is transmitted.

Further, the wireless transceiving path further comprises a physical layer circuit and an antenna;

the physical layer circuit is connected with the antenna, the antenna is used for being connected with remote equipment through a frequency band, and the physical layer circuit is used for detecting the state of the corresponding frequency band of the antenna, generating frequency band parameters and transmitting the frequency band parameters to the controller;

and the controller stores the data to be transmitted in the corresponding transmission buffer area according to the frequency band parameters.

Further, the wireless communication device is applied to the above wireless communication device, and the wireless communication device is connected to a remote device through the frequency band, wherein the method includes:

detecting the state of the corresponding frequency band of each wireless transceiving path;

selecting a corresponding wireless transceiving path according to the detection result;

and receiving the data to be received or sending the data to be transmitted through the selected wireless transceiving path.

Further, the step of detecting the state of the frequency band corresponding to each wireless transceiving path includes:

detecting a frequency band corresponding to each wireless transceiving path, and generating corresponding frequency band parameters corresponding to each frequency band;

and generating a detection result for selecting a wireless transceiving path according to the frequency band parameter.

detecting the total number of received packets and the number of successfully received packets corresponding to each frequency band;

obtaining the collision ratio of each frequency band according to the ratio of the number of successfully received packets to the total number of received packets of each frequency band;

and generating a detection result of selecting a wireless transceiving path according to the collision rate.

detecting the corresponding transmission delay time of each frequency band;

calculating the average congestion degree of each frequency band according to the transmission delay time of each frequency band and a preset first weight value;

and generating a detection result for selecting a wireless transceiving path according to the average congestion degree of each frequency band.

detecting the ratio occupied by each frequency band in a busy period within a certain time;

calculating the average utilization rate of each frequency band according to the ratio of each frequency band and a preset second weight value;

and generating a detection result for selecting a wireless transceiving path according to the utilization rate of each frequency band.

The present invention also provides a wireless communication apparatus, comprising:

the frequency band state detection module is used for detecting the state of the frequency band corresponding to each wireless transceiving path;

the wireless transceiving path selection module is used for selecting a corresponding wireless transceiving path according to the detection result;

and the data transmission module is used for receiving the data to be received or sending the data to be transmitted through the selected wireless transceiving path.

The invention also provides a storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of the above-described wireless communication method.

The invention also provides a computer device, which comprises a processor, a memory and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of the wireless communication method when executing the computer program.

The invention has the beneficial effects that: the controller correspondingly detects the states of the frequency bands through the wireless transceiving paths, and receives data to be received or sends the data to be transmitted through the corresponding wireless transceiving paths according to the detection result, so that the optimal frequency band is selected to send the data, and the transmission efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a wireless communication device and remote device connection configuration;

FIG. 2 is a schematic diagram of the internal structure of a storage circuit of the wireless communication device;

fig. 3 is a diagram illustrating the transmission of data to be transmitted in a wireless communication device;

FIG. 4 is a diagram illustrating a wireless communication device detecting different frequency band states;

FIG. 5 is a schematic diagram of a band selector selecting a wireless transceiving path;

6A, 6B, 6C, 6D are schematic diagrams of application scenarios of the wireless communication device of the present invention;

FIG. 7 is a flow chart illustrating a method of wireless communication in accordance with an embodiment of the present invention;

FIG. 8A is a diagram illustrating the frequency band selector determining the collision ratio of the frequency bands;

FIG. 8B is a diagram illustrating the frequency band selector determining the congestion level of the frequency band;

FIG. 8C is a diagram illustrating the frequency band selector determining the frequency band usage;

FIG. 9 is a block diagram of a wireless communication device according to the present invention;

FIG. 10 is a block diagram of a storage medium according to an embodiment of the present invention;

FIG. 11 is a block diagram of a computer device according to an embodiment of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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.

It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

For convenience of illustration and to avoid confusion with the frame (frame) of the video frame, the basic units of data and control signals transmitted by the network are referred to as packets. However, in network applications, the data link layer (data link layer) data is in units of frames (frames); data of a network layer (network layer) is basically a packet (packet). Therefore, packets are used herein as the basic unit for network transmission, and in actual implementation, the basic unit is packets or frames depending on the hierarchy of the network.

Referring to fig. 1, the present invention provides a wireless communication apparatus, including: a controller 121 and a plurality of wireless transmission/reception paths 129 controlled by the controller 121, wherein the plurality of wireless transmission/reception paths 129 are provided; wherein, different wireless transceiving paths 129 correspondingly transceive different frequency band signals, and are configured to detect a state of a corresponding frequency band, and transmit detection information to the controller 121; the controller 121 selects a corresponding wireless transceiving path to receive data to be received or transmit data to be transmitted according to the detection information of each wireless transceiving path 129.

In this embodiment, the controller 121 correspondingly detects states of multiple frequency bands through multiple wireless transceiving paths, and receives data to be received or transmits data to be transmitted through the corresponding wireless transceiving paths according to a detection result, so as to select an optimal frequency band to transmit data, and improve transmission efficiency.

Herein, two wireless transceiving paths (a first wireless transceiving path 126 and a second wireless transceiving path 128) are used for description, the first wireless transceiving path 126 and the second wireless transceiving path 128 correspond to a first frequency band 11a and a second frequency band 11b, respectively, the first frequency band 11a may be a2.4GHz frequency band, the second frequency band 11b may be a 5.0GHz frequency band, the wireless communication device and the remote device 10 perform signal connection through the first frequency band 11a or the second frequency band 11b, and the storage circuit 122 may be a volatile memory circuit or a non-volatile memory circuit. In addition, the number and size of the memory entities collocated in the storage circuit 122 can be set according to actual situations.

The wireless communication device (e.g., an idle mode) may select only the first band 11a or the second band 11b to transmit data packets to the remote device 10 according to the characteristics of the network traffic (traffic), congestion level, and other factors. Alternatively, the first band 11a and the second band 11b are used simultaneously to transmit data packets to the remote device 10. If two frequency bands are selected for simultaneous use, the wireless communication device further considers the data attribute in the packet to determine how to allocate the corresponding relationship between the packet and the frequency bands. For example, the transmission rate (rate control) in different frequency bands is controlled according to whether the data attribute is video data (video data) or control data (control data). It should be appreciated that when data is transmitted at a higher transmission rate, the transmission quality is relatively poor; conversely, when data is transmitted at a lower transmission rate, the transmission quality is relatively better. In general, the 2.4GHz band has a lower transmission rate, and the 5GHz band has a higher transmission rate. With different environments, the first frequency band 11a and the second frequency band 11b may have different statuses. The effective distance for transmitting data packets in the 2.4GHz band is about 80-100 m. Taking the application of the blank camera as an example, there are a control data packet (control packet) for controlling the direction and a video data packet (video packet) for capturing the image. In contrast, the importance of control data packets is higher. At this time, the frequency band used by the blank shooting machine for transmitting the data packet can be judged according to the relative distance between the blank shooting machine and the remote control end. If the distance is long, the 2.4GHz band may be used. If the relative distance is short, the 5GHz band may be used instead to avoid congestion. Furthermore, the same frequency band may include a plurality of channels, wherein the number of channels included in the second frequency band 11b is greater than the number of channels included in the first frequency band 11 a. For convenience of explanation, how to select a channel in a frequency band is not specifically described herein. That is, it is assumed that once a band is selected, the selected channel is determined.

In this embodiment, referring to fig. 2 and fig. 3, the controller 121 may execute an application 301, a packet dispatcher 303(packet dispatcher), a packet concentrator 304(packet collector), a Band Selector 305(Band Selector), and the like. The application 301 sends data packets of data to be transmitted to the remote device 10 to the storage circuit 122 through the packet distributor 303 or receives data packets from the remote device 10 from the storage circuit through the packet concentrator 304. In practical application, the circuit is used together with a hardware circuit. The program executed by the controller 121 is not limited to this.

In this embodiment, fig. 2 is a schematic diagram of an internal partition of the storage circuit 122 of the wireless communication device. The storage circuit 122 includes a transmit buffer 221 and a receive buffer 223. The transmit buffer 221 is used with the packet distributor 303, and the receive buffer 223 is used with the packet concentrator 304. The size and the division of the transmit buffer 221 and the receive buffer 223 may vary from application to application. For example, in the application of the blank camera, the data packets generated by the remote device (e.g., a control terminal such as a mobile phone) are mainly used to control the orientation of the blank camera, but the data packets transmitted by the blank camera are mainly video data with a larger occupied space. Therefore, the idle device needs to transmit more data packets to the remote device 10 than to receive, so that the size of the transmission buffer 221 installed in the idle device is much larger than that of the receiving buffer 223.

In this embodiment, the present invention further includes a storage circuit 122, the storage circuit 122 is provided with a plurality of transmission buffers 221, wherein the plurality of wireless transceiving paths 129 are connected with the plurality of transmission buffers 221 in a one-to-one correspondence; the transmission buffer 221 is used for buffering data to be transmitted when the data to be transmitted is sent.

In the present embodiment, the transmission buffer 221 is illustrated as two transmission buffers 221, for example, including a first transmission buffer 221a and a second transmission buffer 221 b. The packet distributor 303 classifies data packets that are intended by the application 301 for transmission to the remote device 10 into a portion that is transmitted using 2.4GHz (stored in the first transmit buffer 221a) and a portion that is transmitted using 5GHz (stored in the second transmit buffer 221 b). In practical applications, the sizes of the first transmission buffer 221a and the second transmission buffer 221b can also be adjusted dynamically. For example, when the wireless communication device mainly uses the 2.4GHz band to transmit data packets, a larger storage space is allocated for the first transmission buffer 221 a. On the contrary, when the wireless communication device mainly uses the 5GHz band to transmit the data packets, a larger storage space is allocated to the second transmission buffer 221 b. The receiving buffer 223 includes a first receiving buffer 223a and a second receiving buffer 223 b. The packet concentrator 304 combines the data packets stored in the first receiving buffer 223a and the second receiving buffer 223b, and then sends the combined data packets to the application 301.

In this embodiment, please refer to fig. 3, which is a schematic diagram of a wireless communication device processing wireless signals of different frequency bands. According to the invention, the first transmit buffer 221a, the second transmit buffer 221b, the first receive buffer 223a, and the second receive buffer 223b may each be configured with one or more Packet queues (Packet queues) to support Quality of Service (QoS) of the same frequency band. In this figure, the packet queue can be divided into a first band 11a transmission queue and a second band 11b transmission queue in the transmission (Tx) direction; and a first band 11a receive queue and a second band 11b receive queue in a receive (Rx) direction. The first transmission buffer 221a stores a transmission queue (2.4GHz TxQ) of the first frequency band 11a, and the second transmission buffer 221b stores a transmission queue (5GHz TxQ) of the second frequency band 11 b. The first receive buffer 223a stores a first band 11a receive queue (2.4GHz RxQ) and the second receive buffer 223b stores a second band 11b receive queue (5GHz RxQ). In fig. 3, the wireless transceiving path 129 can support transmitting or receiving wireless signals in the 2.4GHz band (via the first wireless transceiving path 126) and the 5GHz band (via the second wireless transceiving path 128). It should be noted that the present disclosure focuses on the allocation and usage of frequency bands, and the generation of data to be transmitted and the process of packaging the data to be transmitted into data packets are not described in detail herein.

In addition, it should be noted that a receiving buffer 223 may be further provided, when receiving data, the received data is stored in the receiving buffer 223, the receiving buffer 223 may also be provided as a first receiving buffer 223a and a second receiving buffer 223b, which also correspond to the first frequency band 11a and the second frequency band 11b, respectively, and functions, connection modes, and the like of the receiving buffer 223 are different from the functions of the transmitting buffer 221 except that one is used for receiving data and the other is used for transmitting data, and the rest are the same, and thus, the description is omitted here. Of course, if the number of processors or the data to be transmitted is small, the transmission buffer 221 and the reception buffer 223 may not be provided, or one of them may be provided, and the setting may be performed according to actual circumstances.

First, the application 301 generates and provides data to be transmitted. When the wireless communication device intends to transmit a data packet to the remote device 10, the packet distributor 303 determines to store the data to be transmitted in the transmission queue (2.4GHz TxQ) of the first band 11a or the transmission queue (5GHz TxQ) of the second band 11 b. Then, the band selector 305 selects the first wireless transceiving path 126 to generate a data packet from the data to be transmitted in the first band 11a transmission queue (2.4GHz TxQ) via the switch 123, and transmits the data packet to the first band 11a of the wireless network 11 via the first wireless transceiving path 126; or the second wireless transceiving path 128 generates a data packet by using the data to be transmitted in the transmission queue (5GHz TxQ) of the second frequency band 11b, and transmits the data packet to the second frequency band 11b of the wireless network 11 through the second wireless transceiving path 128.

In this embodiment, the packet distributor 303 and the band selector 305 of the present invention may be used in combination, and dynamically adjust the corresponding relationship between the data packet and the frequency band after taking the frequency band status provided by the wireless transceiving path 129.

The packet distributor 303 determines whether a packet (packet) from an upper layer to be transmitted to a specific peer should be stored in the first transmission buffer 221a or the second transmission buffer 221b according to one or more distribution rules. The allocation rules employed by the packet distributor 303 may be dynamically changed according to the content of the packet, different remote devices 10, congestion states of different frequency bands, and the like, or determined by matching different allocation rules. The following briefly explains how these different considerations affect the relationship between the allocated data packets and the frequency bands.

When allocating data packets and their corresponding transmission frequency bands according to the packet contents, the packet distributor 303 can distribute the video data packets with larger occupied space to the transmission buffer 221 corresponding to the frequency band with larger bandwidth and higher transmission rate; and, allocating the more critical control data packets to the transmission buffer 221 corresponding to the band with better transmission quality.

When allocating data packets and their corresponding transmission frequency bands according to different remote devices 10, the packet distributor 303 may utilize the first transmission buffer 221a to store the data packets to be transmitted to one remote device 10; and storing the data packets to be transmitted to another remote device 10 by using the second transmission buffer 221 b.

In this embodiment, please refer to fig. 4, which is a schematic diagram illustrating a wireless communication device detecting different frequency band states by using a physical layer circuit during a period. The first phy layer circuit 126a and the second phy layer circuit 128a are configured to detect related parameters of different frequency bands synchronously within a period (Δ t) (e.g., the number of successfully received packets, delay time, etc., and details of how to obtain the parameters, how to detect the parameters, and what kind of parameters to detect are described in the following methods, which are not described herein again). In practical applications, the first phy layer circuit 126a and the second phy layer circuit 128a continuously detect the state of the corresponding frequency band. This detection and monitoring process may be repeated. The first time point t1 and the second time point t2 are only used to represent two front and rear time points, and the distance between the two time points and the actual time point is not limited. The first phy layer circuit 126a and the second phy layer circuit 128a perform this process independently, so the actual detection periods of the first phy layer circuit 126a and the second phy layer circuit 128a are not necessarily exactly the same.

Referring to fig. 5, a band selector 305 is shown for selecting a band in conjunction with a wireless transceiving path. In the figure, the first phy layer circuit 126a includes a statistical Counter (statistical Counter)431 and a transceiver circuit 432, and the second phy layer circuit 128a includes a statistical Counter 441 and a transceiver circuit 442. In accordance with the present invention, the band selector 411 has a function of selecting different bands and a function of selecting different rates for the respective bands.

The band selector 411 receives the detection results of the state of the first band (f1) and the state of the second band (f2) from the first phy 126a and the second phy 128a, respectively, and outputs the selected band and the selected transmission rate to the switch 123 in cooperation with the

internal rate controllers

412 and 413. Then, the switch 123 switches the operation of the

transceiver circuits

432 and 442 in a Time Division Multiplexing (TDM) manner, and the

transceiver circuits

432 and 442 are respectively used with the first antenna 126c and the second antenna 128 c.

When allocating the data packets and the corresponding transmission frequency bands according to the congestion status of the frequency bands, if the controller 121 knows that one frequency band is congested and the other frequency band is less congested, the packet allocator 303 may determine to transmit the data packets with Real-Time (Real Time) characteristics using the less congested frequency band and to transmit the data packets with less Real-Time characteristics using the more congested frequency band.

The band selector 305 switches between the first transceiving path 126 and the second transceiving path 128 using TDM to support simultaneous transmission in the first band 11a and the second band 11 b. The frequency band selector 305 may be configured to allocate data packets to the first wtru 126 and the second wtru 128 by Round-Robin (RR), Weighted Round-Robin (WRR), or the like. In a round-robin scheme, the band selector 305 may repeat the process of sending a data packet in the first band 11a and then sending a data packet in the second band 11 b. When the weighted round robin scheduling is used, it is assumed that the weight (weighting) of the first frequency band 11a is higher. Then, the band selector 305 may send two data packets in the 2.4GHz band and then send one data packet in the second band 11 b. Alternatively, the band selector 305 sends two byte (bytes) data packets in the 2.4GHz band, and then sends one byte data packet in the second band 11 b. Whether the band selector 305 selects the round-robin or weighted round-robin, the basis for determining the allocated wireless transceiving paths may be determined based on the number of packets (packet based) or the amount of data (byte based). For example, if the data amount transmitted between the first band 11a and the second band 11b is set to 1:1, a data amount of 1 byte may be transmitted in the first band 11a and a data amount of 1.5 bytes may be transmitted in the second band 11b in a short time. However, in the long term, the total amount of data transmitted using the first band 11a and the second band 11b is still 1: 1.

In one embodiment, the band selector 305 may also choose to prioritize high performance (high performance) or to average load (load balance). When high performance is a priority, the transmission is directly based on the result of determining which frequency band can currently provide the faster transmission rate. When the band selector 305 prioritizes the averaged load, it is possible to select a band that can only provide a lower transmission rate.

In this embodiment, the wireless transceiving path 129 further includes a physical layer circuit and an antenna; the physical layer circuit is connected to the antenna, the antenna is used for connecting to a remote device through a frequency band, and the physical layer circuit is used for detecting the state of the corresponding frequency band of the antenna, generating a frequency band parameter, and transmitting the frequency band parameter to the controller 121; the controller 121 stores the data to be transmitted in the corresponding transmission buffer 221 according to the frequency band parameter. Wherein two wireless transceiving paths are illustrated herein, the first wireless transceiving path 126 further comprises a first phy layer circuit 126a and a first antenna 126 c; the second wireless transceiving path 128 further comprises a second physical layer circuit 128a and a second antenna 128 c. The first phy layer circuit 126a is connected to the first frequency band 11a, and the first phy layer circuit 126a is configured to detect a state of the first frequency band 11a, generate a parameter of the first frequency band 11a, and transmit the parameter of the first frequency band 11a to the controller 121; the second physical layer circuit 128a is connected to the second frequency band 11b, and the second physical layer circuit 128a is configured to detect a state of the second frequency band 11b, generate a second frequency band 11b parameter, and transmit the second frequency band 11b parameter to the controller 121; the controller 121 stores data to be transmitted in the first transmission buffer 221a or the second transmission buffer 221b according to the first band 11a parameter and/or the second band 11b parameter.

The first physical layer circuit 126a and the second physical layer circuit 128a connect a Medium Access Control (MAC) layer to a physical medium using a physical layer (PHY) circuit. The first antenna 126c and the second antenna 128c transmit or receive radio frequency signals by resonance.

In this embodiment, please refer to table 1, which is a comparison table for determining different transmission rates by the rate controller. According to the present invention, the

rate controllers

412, 413 may determine the first band 11a transmission rate TRf1 and the second band 11b transmission rate TRf2 based on a single transmission rate (single rate) and/or a multiple transmission rate (multiple rate). In addition, the transmission rates TRf2 of the first band 11a (f1) and the second band 11b (f2) are not necessarily determined in the same manner. The single transmission rate type rate control means that the same data is transmitted at the same rate all the time. If the Retry number (Retry Count) reaches a Retry number Maximum (Maximum Retry Count), the transmission is considered to be failed. The

rate controllers

412, 413 take into account the parameters such as the number of retries counted during the transmission of the data packet and the Acknowledgement (ACK) information, and determine the transmission rate of the next data packet. The multi-transmission rate type rate control means that a plurality of different transmission rates can be used for retry in the transmission process of the same data packet. For example, assume that transmission rate a was initially used, retry using transmission rate B if transmission fails, and so on. In addition, the selected transmission rate, Retry Count (Retry Count) and received Acknowledgement (ACK) status counted in the whole transmission process are included to determine the transmission rate of the next data packet. For the first band 11a (f1), the transmission rate selected by the rate controller 412 at the first time point (t1) can be represented as the transmission rate TRf1 of the first band 11a (f1), regardless of whether the single transmission rate type or the multiple transmission rate type is selected by the rate controller 412. Similarly, for the second band 11b (f2), the transmission rate selected by the rate controller 413 at the first time point (t1) can be represented as the transmission rate TRf2 of the second band 11b (f2), regardless of whether the rate controller 413 selects the single transmission rate type or the multiple transmission rate type.

TABLE 1

As mentioned above, the present invention can be further applied to rate control algorithms in different frequency bands. Assuming that at the first time point (t1), the rate controller 121412 selects the transmission rate TRf1 of the first band 11a (t 1); the rate controller 413 selects the transmission rate TRf2 of the second band 11b (t 1).

After the first phy layer circuit 126a and the second phy layer circuit 128a have been detected for a period of time Δ t, the band selector 305 identifies the selected band at a second time t 2. At the same time, the transmission rate TRf1(t2) of the first band 11a and the TRf2(t2) of the second band 11b selected by the rate controllers 121412, 413 at the second time point t2 may have changed. Of course, the transmission rate TRf1(t2) of the first band 11a and the transmission rate TRf2(t2) of the second band 11b selected by the rate controllers 121412, 413 at the second time point t2 may be the same as the transmission rate TRf1(t1) of the first band 11a and the transmission rate TRf2(t1) of the second band 11b previously generated at the first time point.

Therefore, the rate actually transmitted from the band selector 305 to the band selector 30542 is the transmission rate TRf1(t2) of the first band 11a (f1) and/or the transmission rate TRf2(t2) of the second band 11b (f2) selected by the rate controllers 121412, 413 at the second time point (t2) selected at the second time point t2, and is not the transmission rate TRf1(t1) of the first band 11a (f1) and/or the transmission rate TRf2(t1) of the second band 11b (f2) previously generated by the rate controllers 121412, 413 at the first time point (t 1).

In fig. 5, if the Load Balance Enable signal (Load Balance Enable) is 1, it indicates that the band selector 305 should allocate data packets according to the Load conditions of the first band 11a (f1) and the second band 11b (f2) when determining the band according to the above parameters. In this way, the 5GHz band and the 2.4GHz band in the wireless network 11 can maintain the same traffic load (traffic loading).

The first phy layer circuit 126a and the second phy layer circuit 128a monitor (monitor) the first frequency band 11a (f1) and the second frequency band 11b (f2), respectively. The band selector 305 may define and calculate three state parameters (collision ratio, average congestion degree, average usage rate) for each frequency band according to the monitoring results of the

statistical counters

431 and 441.

Please refer to fig. 6A, which illustrates a wireless terminal (station) and a wireless network base station 512 with multi-band communication, wherein the wireless terminal 511 with the coexistence mechanism connects to the wireless network base station 512 with the coexistence mechanism. At this time, the band selector 305 of the wireless network base station 512 determines whether and when it is necessary to switch the band. When it is determined to switch to another frequency band, the wireless network base station 512 sends a special purpose Management packet (Management packet) to notify all wireless terminals connected thereto. When the wireless terminal 511 receives the notification, it switches the frequency band at the appointed time point.

In fig. 6A, the wireless terminal 511 needs to passively wait for a notification from the wireless network base station 512 to switch to a different frequency band. When the band selector 305 of the wireless network base station 512 wants to switch to a different band, it needs to notify the wireless terminal 511 with this mechanism in a Broadcast (Broadcast) or Unicast (Unicast) manner. Accordingly, the wireless terminal 511 connected to the wireless network base station 512 can synchronously switch the frequency band.

Please refer to fig. 6B, which is a schematic diagram of a wireless base station 512 with a single band communication function. The wireless terminal 511 connects to the first band wireless network base station 522a and the second band wireless network base station 522b at 2.4GHz and 5GHz, respectively. It is assumed that neither the first band wireless network base station 522a nor the second band wireless network base station 522b has a coexistence mechanism for different bands. Since the wireless terminal 511 can only use a specific frequency band to communicate with the first wireless network base station 512522a and/or the second wireless network base station 512522b at the same time. Therefore, in fig. 6B, the frequency band selector 305 of the wireless terminal 511 determines the switching timing of the frequency band.

Assuming that the wireless terminal 511 is currently communicating with the first-band wireless network base station 522a in the 2.4GHz band and is preparing to switch to the second-band wireless network base station 522b for transmitting and receiving messages, the band selector 305 of the wireless terminal 511 sends a packet to notify the first-band wireless network base station 522a that it is about to enter the Power Saving Mode (Power Saving Mode). The first band wireless network base station 522a stops transmitting data packets to the wireless terminal 511 after receiving the notification. Then, the band selector 305 of the wireless terminal 511 can switch to the 5GHz band and change to perform data transmission with the wireless network base station 512522 b. Therefore, if the wireless terminal 511 has the coexistence mechanism, but the wireless network base station 512 connected to the wireless terminal 511 does not have the coexistence mechanism, the wireless terminal 511 having the coexistence mechanism is responsible for notifying the wireless network base station 512.

Please refer to fig. 6C, which is a schematic diagram of a wireless terminal with a single band communication function and applying the present invention to a wireless network base station 512. The wireless network base station 512 is connected to the first wireless terminal 531a using the first frequency band 11a2.4GHz and to the second wireless terminal 531b using the second frequency band 11b5 GHz. The band selector 305 of the wireless network base station 512 has coexistence mechanisms of different bands, but the first wireless terminal 531a and the second wireless terminal 531b do not have coexistence mechanism, however, in this case, the wireless network base station 512 cannot enter the power saving mode unless the wireless terminals in a certain band stop connecting with the wireless network base station 512.

The wireless communication device using the transmission method of the present invention may also be a P2P Client 541(Client) and a P2P Group Owner 542 (GO) in a Peer-to-Peer (P2P) network.

Please refer to fig. 6D, which is a schematic diagram of a wireless communication device of the present invention as a P2P client 541, and connected to a P2P group owner 542 with multi-band communication function. This figure assumes that both the P2P ue 541 and the P2P group owner 542 have different frequency band coexistence mechanisms in the P2P environment.

In this application, the timing of switching bands is controlled by the band selector 305 of the P2P group owner 542. In this figure, the P2P client 541 only has to passively wait for notifications from the P2P group owner 542.

When the band selector 305 of the P2P group owner 542 wants to switch to a different band, the band selector 305 of the P2P group owner 542 needs to notify one or more wireless terminals with this mechanism in a Broadcast (Broadcast) or Unicast (Unicast) manner. Thus, the band selector 305 of the P2P client 541 can synchronously switch to different bands with the P2P group owner 542.

According to the present invention, if the wireless communication device with coexistence mechanism determines that the current status of two bands is suitable for use in only one of the two bands, or determines that the data packet is transmitted using only one of the two bands based on other considerations, the wireless communication device may set the physical layer circuit for the band to power-saving mode.

Before the physical layer circuit is set to the power saving mode, the wireless communication device can be matched with a preset power saving period, so that the physical layer circuit monitors the latest state of the frequency band again after passing through the default power saving period. If the band selector 305 determines that the state updated by the phy circuit is not needed or suitable for transmission, the band selector 305 may reset another predetermined power saving period. Otherwise, the wireless communication device may transmit a wake-up signal to the remote device 10 informing the remote device 10 that the previously suspended frequency band will be resumed.

In summary, the present invention can transmit data packets in different frequency bands in a TDM manner. This approach can prevent the overall power consumption (power consumption) and cost (cost) of the wireless communication device from being increased greatly due to the function of providing frequency band coexistence. It should be noted that, although the first band 11a and the second band 11b are taken as examples in the foregoing, the application of the present invention is to perform detection and determination according to the transmission quality of the bands, and thus, the present invention is not limited to be applied to only these two bands.

Those skilled in the art will appreciate that: in the above description, various logic blocks, modules, circuits, and method steps can be implemented by using electronic hardware, computer software, or a combination of the two, and the interconnection between the implementations, no matter what the above description uses terms such as signal link, connection, coupling, electrical connection, or other types of alternatives, is only for the purpose of describing that when the logic blocks, modules, circuits, and method steps are implemented, signals can be directly or indirectly exchanged by different means, such as wired electronic signals, wireless electromagnetic signals, and optical signals, so as to achieve the purpose of exchanging and transmitting signals, data, and control information. Therefore, the terms used in the specification do not form limitations when implementing connection, nor do they depart from the scope of the present invention due to different connection manners.

Referring to fig. 7, the present invention further provides a wireless communication method applied to the wireless communication device described above, wherein the wireless communication device is connected to a remote device 10 through the first frequency band 11a and/or the second frequency band 11b, and the method includes:

s1: detecting the state of the frequency band corresponding to each wireless transceiving path 129;

s2: selecting a corresponding wireless transceiving path 129 according to the detection result;

s3: and receiving the data to be received or sending the data to be transmitted through the selected wireless transceiving path.

As described in step S1, the state of the frequency band corresponding to each wireless transceiving path 129 is detected, where the state includes one or more of collision ratio, congestion degree, and average utilization rate, and the detecting method and the determining method are analyzed in detail later, which is not described herein again.

As described in step S2, the controller 121 analyzes the detected state and selects the corresponding wireless transceiving path 129 according to the analysis result, so as to perform subsequent transmission through the corresponding frequency band.

As described in step S3, the data to be received or the data to be transmitted is received or transmitted through the selected wireless transceiving path, that is, the corresponding frequency band is selected to transmit the data to be transmitted to the corresponding remote device 10, so that the data is transmitted in the transmission frequency band with better data selection, and the data transmission efficiency is improved.

In this embodiment, the step S1 includes:

s101: detecting the frequency band corresponding to each wireless transceiving path 129, and generating corresponding frequency band parameters corresponding to each frequency band;

s102: and generating a detection result for selecting the wireless transceiving path 129 according to the frequency band parameter.

As described in the above steps S101-S102, the state of the frequency band corresponding to each wtru 129 is detected to generate corresponding parameters, for example, the state may be one or more of the total number of received packets, the number of successfully received packets, the transmission delay time or the usage rate, and the corresponding parameters are the collision rate, the congestion degree and the average usage rate, and then the corresponding frequency band is selected according to the parameters for transmission.

In a specific embodiment, the step S1 includes:

s111: detecting the total number of received packets and the number of successfully received packets corresponding to each frequency band;

s112: obtaining collision ratio of each frequency band according to the ratio of the number of successfully received packets to the total number of received packets of each frequency band;

s113: and generating a detection result of selecting the wireless transceiving path 129 according to the collision rate.

As described in the above steps S111-S113, the number of successfully received packets and the total number of received packets of each frequency band are counted by the counters, respectively, the ratio of the number of successfully received packets to the total number of received packets is calculated, respectively, to obtain the collision ratio of each frequency band, and then the detection result of selecting the wireless transceiving path 129 is generated according to the collision ratio of each frequency band.

Taking two frequency bands as an example, the counters of the first frequency band 11a and the second frequency band 11b also include a statistical counter 431 and a statistical counter 441, please refer to table 2, which shows a list of status parameters generated by the system counter 431 and the statistical counter 441.

TABLE 2

The first column of Table 2 is the Total number of received packets (Total Rx Count). When the physical layer circuit recognizes that the packet belongs to the WiFi packet and starts to decode the data packet, the total number of received packets is uniformly increased by one regardless of whether the data packet is successfully decoded last or whether a Cyclic Redundancy Check (CRC) is correct. Therefore, the statistic counter 431 obtains the total number of received packets (cntotalf 1) of the first band 11a for the first band 11a (f 1); the statistic counter 441 obtains the total number of received packets (cntotalf 2) for the second frequency band 11b (f 2).

The second column of table 2 is the number of successfully received packets (Success Rx Count). When the physical layer circuitry recognizes that the data packet belongs to WiFi and begins to interpret the data packet, and the data packet can be successfully interpreted and the CRC is correct, the number of successfully received packets is incremented by one. Therefore, the statistic counter 431 finds the number of successfully received packets (cntsuccessff 1) in the first frequency band 11a (f1) for the first frequency band 11 a; the statistics counter 441 obtains the number of successfully received packets (CNTsuccessf2) in the second frequency band 11b (f2) for the second frequency band 11 b.

The band selector 305 may further calculate a successful reception rate (SRf1) of data packets received in the first band 11a (f1) and a successful reception rate (SRf2) of data packets received in the second band 11b (f2) according to equations 1 and 2.

SRf1 CNTtotalf1/CNTtotalf1 (formula 1)

Wherein, SRf1 represents the successful receiving rate of the data packets received in the first frequency band 11 a; cntsuccessfh 1 represents the number of data packets successfully received in the first frequency band 11 a; cntotalf 1 represents the total number of received data packets in the first frequency band 11 a.

SRf2 CNTtotalf2/CNTtotalf2 (formula 2)

Wherein, SRf2 represents the successful receiving rate of the data packets received in the first frequency band 11 a; cntsuccessfh 2 represents the number of data packets successfully received in the first frequency band 11 a; cntotalf 2 represents the total number of received data packets in the first frequency band 11 a.

The higher the value of the successful reception rate of the received data packet, the higher the success rate of transmitting the data packet using the frequency band. If the value of the successful receiving rate is lower, the success rate of transmitting data packets using the frequency band is relatively lower. Therefore, if the successful reception rate (SRf1) of the first band 11a for receiving the packets is higher, it means that the success rate of transmitting the data packets using the first band 11a is higher. On the other hand, if the successful reception rate (SRf2) of the second band 11b for receiving the packets is higher, it means that the success rate of transmitting the data packets using the second band 11b is higher.

The Collision Rate (CR) is defined as 1-successful reception rate (SR). The collision ratio CR is low as the successful reception rate is higher. If the value of the successful receiving rate is lower, the frequency band has higher collision rate. Therefore, the collision ratio (CRf2) of the first band 11a (f1) and the collision ratio (CRf1) of the second band 11b (f2) can be calculated for the first band 11a (f1) and the second band 11b (f2), respectively. The higher the collision rate, the more serious the collision of the data packet in the frequency band. However, the higher the degree of collision ratio, and the higher the degree of collision ratio, and the higher the degree of collision ratio.

Please refer to fig. 8A, which is a schematic diagram of the frequency band selector 305 determining the collision rate of the frequency band according to the output of the statistical counter. The band selector 305 performs the process of fig. 8A for the first band 11a and the second band 11b, respectively. First, the band selector 305 obtains a successful reception rate according to the total number of received packets and the number of successfully received packets of the physical layer circuit. Thereafter, the band selector 305 converts the collision rate from the successful reception rate. Then, the collision ratio is compared with the threshold value of the collision ratio, so as to determine whether the collision ratio comparison condition is satisfied.

Next, how the wireless communication device determines the congestion level of the frequency band is described. The band selector 305 may determine an average congestion level of the first band 11a and the second band 11b according to an average delay period of the transmitted data packet.

The average delay period for transmitting a data packet is defined as the time difference between when a data packet is ready to be transmitted and when the transmission of the data packet actually starts. The delay time (defer time) of the data packet includes a Distributed inter-frame spacing (DIFS) and all possible backoff times (back-off time).

The present invention obtains the average propagation delay time at the second time point (t2) according to the following formula 3 according to the preset first weight w1 for the transmitted data packet. It is assumed that the first time point (t1) is an earlier time point and the second time point (t2) is a later time point.

TDavg (t2) ═ TD (t2) × w1+ TDavg (t1) × (1-w1) (formula 3)

Wherein TDavg (t2) represents an average transmission delay time at the second time point (t 2); TD (t2) represents the transmission delay time at the second time point (t 2); w1 represents a first weight between 0 and 1 (0 ≦ w1 ≦ 1); TDavg (t1) represents the average transmission delay time at the first time point (t 1).

The larger the value of the first weight w1, the more important the value of the average propagation delay time at the second time point (t2) is in determining the current propagation delay time at the second time point (t 2). On the other hand, if the value of the first weight w1 is smaller, it represents that the average propagation delay time at the second time point (t2) is determined to be more important than the average propagation delay time at an earlier time point (t 1).

The higher the value of the average transmission delay time at the second time point (t2) calculated by equation 3 is, the more congested the selected band at the second time point (t2) is. In addition, if the wireless communication device is going to transmit data packets, it will take more waiting time to obtain the usage right of the frequency band. In other words, the wireless communication devices need to wait more time because multiple WiFi communication devices try to compete for the usage right of the frequency band in the same frequency band at the same time.

In another embodiment, the step S1 includes:

s121: detecting the corresponding transmission delay time of each frequency band;

s122: calculating the average congestion degree of each frequency band according to the transmission delay time of each frequency band and a preset first weight value;

s123: the detection result of the selected wireless transceiving path 129 is generated according to the average congestion level of each frequency band.

As described in the above steps S121-S123, the band selector 305 performs the process of fig. 8B for the first band 11a and the second band 11B, respectively. That is, according to the average transmission delay time TDavg (t2) at the second time point (t2), the transmission delay time TD (t2) at the second time point (t2), the first weight (w 1); the congestion degree is calculated by the average propagation delay time congestion degree TDavg (t1) at the first time point (t 1). Then, the band selector 305 compares the average congestion degree with a threshold value of the congestion degree to determine whether the congestion degree comparison condition is satisfied.

When the average congestion degree is larger than the congestion degree threshold value, it represents that the frequency band has reached a certain congestion degree. However, although the average congestion level may represent the congestion level of the band, the larger the average congestion level, the less desirable the average congestion level. Because the higher average congestion level may be due to certain protocol (protocol) behavior, or the average congestion level may actually be due to the current wireless communication device itself. That is, the average congestion level represents a large number of packets on the channel, and although the source of these incoming packets may be other wireless communication devices, the wireless communication device itself may also be the source from which data packets are transmitted.

In another embodiment, the step S1 includes:

s131: detecting the ratio occupied by each frequency band in a busy period within a certain time;

s132: calculating the average utilization rate of each frequency band according to the ratio of each frequency band and a preset second weight value;

s133: the detection result of the selected wireless transceiving path 129 is generated according to the utilization rate of each frequency band.

As described in the above steps S131-S133, taking two frequency bands as an example, the statistics counter 431 and the statistics counter 441 will detect the ratio of the frequency band during Busy (Busy) within a defined period of time. For example, the Busy Percentage (Busy Percentage) of the 1 second (second) time is 80, which means that 80% of the time is Busy and 20% of the time is Idle (Idle) in the 1 second time period. Assuming that the first time point (t1) is an earlier time point and the second time point (t2) is a later time point, the usage of the bands can be obtained according to equation 4.

BusyCountavg (t2) ═ BusyCount (t2) x w2+ BusyCountavg (t1) x (1-w2) (formula 4)

Wherein, BusyCountavg (t2) represents the average usage rate at the second time point; BusyCountavg (t1) represents the average usage at the first time point; w2 represents a second weight between 0 and 1 (0 ≦ w2 ≦ 1); BusyCount (t2) represents the band usage at the second time point.

If the average utilization rate at the second time point is higher, it indicates that the frequency band is higher in utilization rate at the second time point. The larger the value of the second weight w2, the greater the average usage rate at the second time point, the greater the frequency band usage rate at the second time point. On the contrary, if the value of the second weight w2 is smaller, it represents that the average usage rate at the second time point is determined, and the average usage rate at the earlier frequency band (the first time point t1) is emphasized.

Please refer to fig. 8C, which is a schematic diagram illustrating the frequency band selector 305 determining the usage rate of the frequency band according to the output of the statistical counter. The band selector 305 performs the process of fig. 8C for the first band 11a and the second band 11b, respectively. That is, the usage is calculated based on the average usage at the second time point busy countavg (t2), the second weight w2, the usage at the second time point busy count (t2), and the average usage at the second time point busy countavg (t 2). Then, the band selector 305 compares the utilization ratio with a threshold value of the utilization ratio to determine whether the utilization ratio comparison condition is satisfied.

In this case, the band selector 305 may calculate the usage rates (URf1) and 11b of the first band 11a and the second band 11b (f2) respectively for the first band 11a (f1) and the second band 11b, and further set the usage rate threshold values for the usage rates of the first band 11a and the second band 11 b. When the utilization rate is greater than the utilization threshold, it does not necessarily indicate that many packets are transmitted on the frequency band, and it may be caused by background noise (background noise), such as microwave, etc.

In a preferred embodiment, the collision ratio parameter, the average congestion degree parameter and the average utilization rate parameter are all calculated, and three threshold parameters are defined for the three parameters. Namely, a Collision Threshold (Collision Threshold), a Congestion Threshold (Congestion Threshold), and a Utilization Threshold (Utilization Threshold). Please refer to table 3, which is a list of the comparison conditions defined for the first band 11a (f1) according to the present invention.

TABLE 3

Similarly, similar comparison conditions may be defined for the state parameters of the second frequency band 11b, and whether the comparison conditions are satisfied is determined. Please refer to table 4, which is a list of the comparison conditions defined for the second band 11b (f2) according to the present invention.

TABLE 4

It should be noted that the collision ratio threshold values (CRth) set for the first frequency band 11a and the second frequency band 11b are not necessarily equal; the congestion degree thresholds (CDth) set for the first frequency band 11a and the second frequency band 11b are not necessarily equal; the utilization threshold values (URth) set for the first band 11a and the second band 11b are not necessarily equal. According to the idea of the present invention, the comparison conditions of the collision ratio, the congestion ratio, the channel utilization rate and the corresponding threshold value need to be matched with each other, so that the state of the frequency band can be determined comprehensively. For example, if the collision ratio comparison condition, the congestion degree comparison condition, and the utilization ratio comparison condition of the first frequency band 11a are all satisfied, and the collision ratio comparison condition, the congestion degree comparison condition, and the utilization ratio comparison condition of the second frequency band 11b are all not satisfied, it can be clearly determined that the transmission effect of the first frequency band 11a is better than the transmission effect of the second frequency band 11 b. At this time, the band selector 305 selects the first band 11 a. In practical applications, the frequency band selector 305 decides the frequency band to be used after weighing the results and the application if the collision ratio comparison condition, the congestion degree comparison condition and the usage ratio comparison condition of the first frequency band 11a and/or the second frequency band 11b are satisfied or not.

Referring to fig. 9, the present invention also provides a wireless communication apparatus including:

a frequency band state detection module 99, configured to detect a state of a frequency band corresponding to each wireless transceiving path 129;

a wireless transceiving path selecting module 98, configured to select a corresponding wireless transceiving path 129 according to the detection result;

and a data transmission module 97, configured to receive data to be received or send data to be transmitted through the selected wireless transceiving path.

The frequency band state detection module 99 detects the state of the corresponding frequency band of each wireless transceiving path 129, wherein the state includes one or more of collision ratio, congestion degree and average utilization rate, and the detection method and the determination method are analyzed in detail later, which is not described herein again.

The controller 121 analyzes the detected state, and selects a corresponding wireless transceiving path 129 through the wireless transceiving path 129 selection module 98 according to the analysis result, so as to perform subsequent transmission through a corresponding frequency band.

And then, the data to be received or the data to be transmitted are received or transmitted through the wireless transceiving path selected by the data transmission module 97, that is, the corresponding frequency band is selected to transmit the data to be transmitted to the corresponding remote device 10, so that the transmission of the transmission frequency band with better data selection is realized, and the transmission efficiency of the data is improved.

In this embodiment, the frequency band status detecting module 99 includes:

the frequency band parameter detection submodule is used for detecting the frequency band corresponding to each wireless transceiving path 129 and generating corresponding frequency band parameters corresponding to each frequency band;

and the first generation submodule of the detection result generates the detection result of the selected wireless transceiving path 129 according to the frequency band parameters.

The state of the frequency band corresponding to each wtru 129 is detected to generate corresponding parameters, for example, the state may be one or more of the total number of received packets, the number of successfully received packets, the transmission delay time, or the usage rate, and the corresponding parameters are the collision rate, the congestion degree, and the average usage rate, and then the corresponding frequency band is selected for transmission according to the parameters.

In one embodiment, the frequency band status detecting module 99 includes:

the packet detection submodule is used for detecting the total number of the received packets and the number of the successfully received packets corresponding to each frequency band;

the collision ratio calculation submodule is used for respectively obtaining the collision ratio of each frequency band according to the ratio of the number of the successfully received packets of each frequency band to the total number of the received packets;

and a second generation submodule of the detection result, configured to generate the detection result of selecting the wireless transceiving path 129 according to the collision ratio.

The number of successfully received packets and the total number of received packets of each frequency band are counted by a plurality of counters respectively, the ratio of the number of successfully received packets to the total number of received packets is calculated respectively, the collision ratio of each frequency band is obtained, and then the detection result of selecting the wireless transceiving path 129 is generated according to the collision ratio of each frequency band.

TABLE 2

SRf1 CNTtotalf1/CNTtotalf1 (formula 1)

SRf2 CNTtotalf2/CNTtotalf2 (formula 2)

TDavg (t2) ═ TD (t2) × w1+ TDavg (t1) × (1-w1) (formula 3)

In another embodiment, the band status detecting module 99 includes:

the delay time detection submodule is used for detecting the corresponding transmission delay time of each frequency band;

the average congestion degree calculation submodule is used for calculating the average congestion degree of each frequency band according to the transmission delay time of each frequency band and a preset first weight value;

the third generation submodule of the detection result is used for generating the detection result of selecting the wireless transceiving path 129 according to the average congestion degree of each frequency band.

The band selector 305 performs the process of fig. 8B for the first band 11a and the second band 11B, respectively. That is, according to the average transmission delay time TDavg (t2) at the second time point (t2), the transmission delay time TD (t2) at the second time point (t2), the first weight (w 1); the congestion degree is calculated by the average propagation delay time congestion degree TDavg (t1) at the first time point (t 1). Then, the band selector 305 compares the average congestion degree with a threshold value of the congestion degree to determine whether the congestion degree comparison condition is satisfied.

In another embodiment, the band status detecting module 99 includes:

a busy ratio detection submodule for detecting the ratio of each frequency band in a busy period within a certain time;

the average utilization rate calculation submodule is used for calculating the average utilization rate of each frequency band according to the ratio of each frequency band and a preset second weight value;

and the fourth generation submodule of the detection result generates the detection result of selecting the wireless transceiving path 129 according to the utilization rate of each frequency band.

Also taking two frequency bands as an example, the statistics counter 431 and the statistics counter 441 detect the ratio of the frequency band during Busy (Busy) for a defined period of time. For example, the Busy Percentage (Busy Percentage) of the 1 second (second) time is 80, which means that 80% of the time is Busy and 20% of the time is Idle (Idle) in the 1 second time period. Assuming that the first time point (t1) is an earlier time point and the second time point (t2) is a later time point, the usage of the bands can be obtained according to equation 4.

TABLE 3

TABLE 4

Referring to fig. 10, the present application also provides a storage medium 100, in which a computer program 200 is stored in the storage medium 100, which when run on a computer causes the computer to execute the wireless communication method described in the above embodiment.

Referring to fig. 11, the present application also provides a computer device 300 comprising the storage medium 100, when the computer program 200 stored in the storage medium 100 runs on the computer device 300, the computer device 300 is caused to execute the wireless communication method described in the above embodiment by the processor 400 provided therein.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product.

The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a storage medium or transmitted from one storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The storage medium may be any available medium that a computer can store or a data storage device including one or more available media integrated servers, data centers, and the like. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A wireless communications apparatus, comprising: the wireless transceiver comprises a controller and a wireless transceiving path controlled by the controller;

the wireless transceiving path comprises a plurality of paths;

the different wireless transceiving paths correspondingly receive and transmit different frequency band signals, are used for detecting the state of the corresponding frequency band and transmitting detection information to the controller; the frequency band signal comprises a2.4GHz frequency band and a 5GHz frequency band;

the controller selects a corresponding wireless transceiving path to receive data to be received or send data to be transmitted according to the detection information of each wireless transceiving path;

the wireless communication device further comprises a frequency band selector controlled by the controller, wherein the frequency band selector is connected with each wireless transceiving path and used for switching the corresponding wireless transceiving path to receive data to be received or send data to be transmitted;

the controller controls the frequency band selector to schedule the plurality of wireless transceiving paths to receive data to be received or send data to be transmitted in a round manner or in a weighted round manner according to the data volume of the data to be received or the data to be transmitted;

the wireless transceiving path further comprises a physical layer circuit, the physical layer circuit is connected with the frequency band selector, and the physical layer circuit comprises a statistical counter used for detecting state parameters of collision ratio, average congestion degree and average utilization rate as the state of the corresponding frequency band.

2. The wireless communication apparatus according to claim 1, further comprising a storage circuit, wherein the storage circuit is provided with a plurality of transmission buffers, and wherein a plurality of radio transceiving paths are connected with the plurality of transmission buffers in a one-to-one correspondence;

3. The wireless communications apparatus of claim 2, the wireless transceiving path further comprises physical layer circuitry and an antenna;

4. A wireless communication method applied to the wireless communication apparatus according to any one of claims 1 to 3, the wireless communication apparatus being connected to a remote apparatus through the frequency band, wherein the method comprises:

the controller detects the state of the frequency band corresponding to each wireless transceiving path; the different wireless transceiving paths correspondingly receive and transmit different frequency band signals, are used for detecting the state of the corresponding frequency band and transmitting detection information to the controller; the frequency band signal comprises a2.4GHz frequency band and a 5GHz frequency band;

selecting a corresponding wireless transceiving path according to the detection result through the controller;

receiving data to be received or sending data to be transmitted through the wireless transceiving path selected by the frequency band selector; the wireless communication device further comprises a frequency band selector controlled by the controller, wherein the frequency band selector is connected with each wireless transceiving path and used for switching the corresponding wireless transceiving path to receive data to be received or send data to be transmitted;

the step of selecting the corresponding wireless transceiving path according to the detection result by the controller comprises;

detecting state parameters of collision ratio, average congestion degree and average utilization rate as states of the corresponding frequency bands through a statistical counter; the wireless transceiving path further comprises a physical layer circuit, the physical layer circuit is connected with the frequency band selector, and the physical layer circuit comprises a statistic counter.

5. The wireless communication method of claim 4, wherein the step of detecting the state of the frequency band corresponding to each wireless transceiving path comprises:

and generating a detection result for selecting a wireless transceiving path according to the collision ratio.

6. The wireless communication method of claim 4, wherein the step of detecting the state of the frequency band corresponding to each wireless transceiving path comprises:

detecting the corresponding transmission delay time of each frequency band;

7. The wireless communication method of claim 4, wherein the step of detecting the state of the frequency band corresponding to each wireless transceiving path comprises:

8. A storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the wireless communication method of any of claims 4 to 7.

9. Computer device, characterized in that it comprises a processor, a memory and a computer program stored on said memory and executable on said processor, said processor implementing the steps of the wireless communication method according to any one of claims 4 to 7 when executing said computer program.