CN101207540A - Communication system using Zigbee and channel selection method thereof - Google Patents
Communication system using Zigbee and channel selection method thereof Download PDFInfo
- Publication number
- CN101207540A CN101207540A CNA2007100910416A CN200710091041A CN101207540A CN 101207540 A CN101207540 A CN 101207540A CN A2007100910416 A CNA2007100910416 A CN A2007100910416A CN 200710091041 A CN200710091041 A CN 200710091041A CN 101207540 A CN101207540 A CN 101207540A
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- 238000004891 communication Methods 0.000 title claims abstract description 77
- 238000010187 selection method Methods 0.000 title claims description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/246—Connectivity information discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
The invention relates to a communication system utilizing Zigbee and channel selecting method. The proposal of the invention is to select a most suitable communication channel only through a remoter provided with the Zigbee device when forming a Zigbee communication network. Therefore, the invention provides a communication system utilizing Zigbee, comprising an input part for inputting the channel scanning mode of the selected communication channel according to the instruction of users; a monitoring part for monitoring all the channel energy values generated in the Zigbee communication layer when inputting the channel scanning mode; and a control part for selecting a most suitable channel based on each monitored channel energy value.
Description
Technical field
The present invention relates to communication system and the channel selection method thereof of a kind of Zigbee of utilization, relate in particular to and need not to use special communication channel scanning means also can select the communication system of utilizing Zigbee and the channel selection method thereof of optimal communication channel.
Background technology
In order to provide convenience to the user, normally used home appliance in the family (for example, air-conditioning system or television set etc.) is operated by remote controller, is formed for carrying out mutually the communication network of radio communication between home appliance and the remote controller for this reason.
In order to form this cordless communication network, the communication technology of utilizing Zigbee that recently general electrification consumption less, mounting cost is cheap.
Zigbee is that the small-scale wireless personal local area network of IEEE 802.15.4 (is with control and the monitoring wireless communication technology that is applicable to home network as basic function Low-rate WirelessPersonal Area Network, LR-WPAN ' s).Though it is few that Zigbee and bluetooth (bluetooth) are compared the data conveying capacity, Zigbee is a low power mode, and a battery can use about 1 year, and only is 1/2 of bluetooth by software, related components being minimized its cost.
In order to utilize this Zigbee to form communication network, need carry out selected identical channel and PAN (Personal Area Network) (Personal Area Network between home appliance and remote controller, to call PAN in the following text) process of intrinsic identifier (Identification is to call ID in the following text).Especially, because use the existence of WLAN (wireless local area network) (LAN), bluetooth and other Zigbee communication network of identical 2.4G frequency domain can influence corresponding Z igbee communication network, be very important so select optimal channel according to surrounding environment.
Employed method had when selecting the most suitable channel in the past: scan all channel energy and the mode of automatic setting channel, the mode downloading the mode set imported in advance, externally utilize Dip switch etc. manually to set by program by communication moment.
But, scan all channels owing to moment (about about 50ms) when carrying out automatic setting, therefore if any channel is arranged for empty in this moment, might think that then respective channels is the most suitable channel by mistake, thereby repeat with other network channel of not expecting and cause communicate by letter bad.And the mode that downloads and externally utilize the mode of DIP switch owing to need to import special channel scanning device, therefore produces extra-pay.
And this channel setting action is only carried out in the Zigbee telegon of home appliance and remote controller being coordinated (coordinate) and transceive data, and considers that less than the each department channel circumstance that home appliance will be set it is bad therefore may to cause communicating by letter.
Summary of the invention
The present invention proposes in order to solve aforesaid problem, it is a kind of when the Zigbee communication network that forms between home appliance and the remote controller that its purpose is to provide, and can only utilize the remote controller that is provided with the Zigbee device to select the communication system of utilizing Zigbee and the channel selection method thereof of suitable communication channel.
Another object of the present invention is to provide a kind of and except the communication environment of grasping Zigbee telegon position, also grasp the communication environment of Zigbee setting position, thereby can select the communication system of utilizing Zigbee and the channel selection method thereof of suitable communication channel.
To achieve these goals,, comprise according to the communication system of utilizing Zigbee provided by the present invention: input part, to be used for scan channel pattern according to the selected communication channel of user instruction input; Monitoring part is to be used for all channel energy values that monitoring takes place in the Zigbee communication layers when the described scan channel pattern of input; Control part is based on each channel energy value of being monitored the most suitable selected channel.
And described input part is provided in a side of the scan channel switch on the remote controller in a plurality of communication terminals that carry out the Zigbee radio communication.
And described remote controller comprises the Zigbee device, and is used for input channel scan pattern and channel setting pattern.
And a terminal in described a plurality of communication terminals is a home appliance.
And described monitoring part is physics (PHY) layer and medium access control (MAC) layer scan channel module that all channel energy values that produce are monitored that is used in IEEE 802.15.4 standard.
And, the present invention also comprises the memory that is used to store each channel energy value of being monitored, described control part calculates the scanning times of all channels, when this scanning times reaches pre-determined number, to be stored in each channel energy value addition of described memory and measure mean value, and based on the mean value of being measured the most suitable selected channel.
And the present invention also comprises the display part that is used to show by the selected the most suitable channel of described control part.
According to channel selection method provided by the present invention, comprise step: the scan channel pattern that judges whether to be used for selected communication channel according to user instruction input; If the input channel scan pattern is then monitored all channel energy values that taken place in the Zigbee communication layers; Based on each channel energy value of being monitored the most suitable selected channel.
And the step of monitoring described all channel energy values is meant monitoring at physics (PHY) layer of IEEE 802.15.4 standard and all channel energy values of medium access control (MAC) layer generation.
And the step of selected described the most suitable channel comprises: each channel energy value of being monitored according to predetermined scanning times storage; With each channel energy value addition of being stored and measure mean value; Based on the mean value of being measured the most suitable selected channel.
And the present invention also comprises the step that shows selected the most suitable channel.
Description of drawings
Fig. 1 is foundation home appliance and the remote manipulator system structure chart that utilizes the Zigbee communication network provided by the present invention;
Fig. 2 is for being used for the scan channel workflow diagram of selected channel in the foundation communication system of the Zigbee of utilization provided by the present invention;
Fig. 3 is for being used for the channel setting workflow diagram of alternate channel in the foundation communication system of the Zigbee of utilization provided by the present invention.
Main symbol description: 10 is home appliance, and 12 is the household electrical appliances control part, and 14 is the Zigbee telegon, and 20 is remote controller, and 22 is the remote controller control part, and 24 is the Zigbee device, and 26 is input part, and 28 is the scan channel module, and 30 is memory, and 32 is display part.
Embodiment
Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is foundation home appliance and the remote manipulator system structure chart that utilizes the Zigbee communication network provided by the present invention, comprise normally used home appliance 10 in the family (for example, the some indoor sets in a plurality of indoor sets of air-conditioning system) and utilize the Zigbee cordless communication network operating instruction that the user is desired to be sent to the remote controller (remote controller) 20 of described home appliance 10.
Described home appliance 10 is communication terminals, this home appliance 10 comprises the control part 12 of control home appliance 10 molar behaviors and coordinates between (coordinate) home appliance 10 and the remote controller 20 and the Zigbee coordinator module of transceive data (Zigbee Coordinatormodule is called for short the Zigbee telegon below) 14 by the Zigbee radio communication.
Described remote controller 20 also is a communication terminal, and this remote controller 20 comprises: the control part 22 of remote controllers 20 molar behaviors; Zigbee terminal installation module (Zigbee End Device module is hereinafter to be referred as the Zigbee device) 24 by Zigbee radio communication and home appliance 10 transceive data; Be provided with the input part 26 of scan channel switch, this scan channel switch is used to be selected in the physics (Physical of the 802.15.4 of electric appliance and electronic IEEE (IEEE) standard, PHY) layer, medium access control (Media AccessControl, MAC) channel of layer generation; Scan channel module 28, monitoring (monitoring) is in the physical layer of IEEE 802.15.4 standard, the channel energy value that media access control layer produces when enabling the scan channel pattern that is used for selected channel by described input part 26; Be used to store the memory 30 of the channel energy value of being monitored; Display part 32 shows selected optimal channel according to each channel energy mean value of being monitored.
The following describes the communication system of the aforesaid Zigbee of utilization and the course of action and the action effect of channel selection method thereof.
Fig. 2 is for being used for the scan channel workflow diagram of selected channel in the foundation communication system of the Zigbee of utilization provided by the present invention.
At first, be used for the scan channel pattern (S100) of selected channel by input part 26 inputs on remote controller 20, then Zigbee device 24 begins to scan all channels (S102).
When Zigbee device 24 begins to carry out the scanning motion of all channels,, and store each channel energy value of being monitored in the memory 30 (S106) at the energy value (S104) of each channel of scan channel module 28 monitoring.
Then, remote controller 20 control parts 22 judge whether total scanning times of all channels reaches (the predetermined scanning times for selected optimal channel 10 times, S108), if total scanning times of all channels does not reach 10 times, then turn back to described S102 and carry out subsequent action, promptly all channels are repeated scanning motion.
Described judged result, if total scanning times of all channels reaches 10 times, then control part 22 each channel energy value phase Calais that will be stored in memory 30 measures (S110) after mean value, based on the selected optimal channel (S112) of the mean value of being measured.
At this moment, be, respectively each channel mean and the predefined fiducial value of being measured compared, and be that channel more than the fiducial value is chosen to be the most suitable channel mean value in the method for the selected the most suitable channel of described control part 22.
If described control part 22 has been selected the most suitable channel, then show the most suitable selected channel by display part 32, make the user only just can confirm the most suitable channel (S114) simply by remote controller 20.
The following describes the action of between home appliance 10 and remote controller 20, setting channel in order to utilize the most suitable channel of selecting by described scan channel action to form the Zigbee cordless communication network.
Fig. 3 is for being used for the channel setting workflow diagram of alternate channel in the foundation communication system of the Zigbee of utilization provided by the present invention.
At first, on remote controller 20, be used to set the channel setting pattern (S200) of channel by input part 26 inputs, owing to formed the Zigbee cordless communication network between home appliance 10 and the remote controller 20, the Zigbee telegon 14 that therefore is located at home appliance 10 begins to carry out Zigbee radio communication (S202) with the Zigbee device 24 that is located at remote controller 20.
After the beginning Zigbee radio communication, Zigbee device 24 transmits the channel setting information (S204) that is used for alternate channel to Zigbee telegon 14, after the Zigbee telegon 14 receiving channel setting information channel setting response message is sent out and change the channel (S206) of self by original channel.
Then, Zigbee device 24 is from Zigbee telegon 14 receiving channel setting response messages (S208), and changes the channel (S210) of self.
In sum, according to communication system and the channel selection method thereof that utilizes Zigbee provided by the present invention, when the Zigbee communication network that forms between home appliance and the remote controller, can only utilize the remote controller that is provided with the Zigbee device to select optimal communication channel, therefore need not special channel scanning device.
And the present invention also grasps the communication environment of Zigbee setting position except the communication environment of grasping Zigbee telegon position, so can select optimal communication channel, and it is bad to solve the communication that repeats to cause because of channel.
Claims (11)
1. communication system of utilizing Zigbee comprises:
Input part is to be used for the scan channel pattern according to the selected communication channel of user instruction input;
Monitoring part is to be used for all channel energy values that monitoring takes place in the Zigbee communication layers when the described scan channel pattern of input;
Control part is based on each channel energy value of being monitored the most suitable selected channel.
2. the communication system of utilizing Zigbee according to claim 1 is characterized in that described input part is provided in a side of the scan channel switch on the remote controller in a plurality of communication terminals that carry out the Zigbee radio communication.
3. the communication system of utilizing Zigbee according to claim 2 is characterized in that described remote controller comprises the Zigbee device, and is used for input channel scan pattern and channel setting pattern.
4. the communication system of utilizing Zigbee according to claim 2 is characterized in that a terminal in described a plurality of communication terminal is a home appliance.
5. the communication system of utilizing Zigbee according to claim 1 is characterized in that described monitoring part is to be used for scan channel module that all channel energy values that produce at the physical layer of IEEE 802.15.4 standard and media access control layer are monitored.
6. the communication system of utilizing Zigbee according to claim 1, it is characterized in that also comprising the memory that is used to store each channel energy value of being monitored, described control part calculates the scanning times of all channels, when this scanning times reaches pre-determined number, to be stored in each channel energy value addition of described memory and measure mean value, and based on the mean value of being measured the most suitable selected channel.
7. according to claim 1 or the 6 described communication systems of utilizing Zigbee, it is characterized in that also comprising the display part that is used to show by the selected the most suitable channel of described control part.
8. utilize the channel selection method of the communication system of Zigbee, comprise step:
Judge whether to be used for the scan channel pattern of selected communication channel according to user instruction input;
If the input channel scan pattern is then monitored all channel energy values that taken place in the Zigbee communication layers;
Based on each channel energy value of being monitored the most suitable selected channel.
9. the channel selection method that utilizes the communication system of Zigbee according to claim 8, the step that it is characterized in that monitoring the energy value of described all channels are meant that all channel energy values that physical layer and media access control layer in IEEE 802.15.4 standard are produced monitor.
10. the channel selection method that utilizes the communication system of Zigbee according to claim 8 is characterized in that the step of selected described the most suitable channel comprises:
Store each channel energy value of being monitored according to predetermined scanning times;
With each channel energy value addition of being stored and measure mean value;
Based on the mean value of being measured the most suitable selected channel.
11. according to Claim 8 or the 10 described channel selection methods that utilize the communication system of Zigbee, it is characterized in that also comprising the step that shows selected the most suitable channel.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060132166A KR101166383B1 (en) | 2006-12-21 | 2006-12-21 | Communication system using Zigbee and channel selection method thereof |
| KR10-2006-0132166 | 2006-12-21 | ||
| KR1020060132166 | 2006-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101207540A true CN101207540A (en) | 2008-06-25 |
| CN101207540B CN101207540B (en) | 2012-11-28 |
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ID=39567442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100910416A Expired - Fee Related CN101207540B (en) | 2006-12-21 | 2007-04-06 | Communication system using Zigbee and channel selection method thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101166383B1 (en) |
| CN (1) | CN101207540B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228045A (en) * | 2013-04-10 | 2013-07-31 | 华为技术有限公司 | Channel selection method and device |
| CN103561474A (en) * | 2013-11-11 | 2014-02-05 | 南京熊猫电子制造有限公司 | Method for enhancing Zigbee communication performance |
| CN105957323A (en) * | 2016-05-24 | 2016-09-21 | 上海玮舟微电子科技有限公司 | Remote control method, remote control device and remote control unit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101128547B1 (en) * | 2010-09-13 | 2012-03-23 | 연세대학교 산학협력단 | Device and method for switching channel in zigbee communication system |
-
2006
- 2006-12-21 KR KR1020060132166A patent/KR101166383B1/en active IP Right Grant
-
2007
- 2007-04-06 CN CN2007100910416A patent/CN101207540B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228045A (en) * | 2013-04-10 | 2013-07-31 | 华为技术有限公司 | Channel selection method and device |
| CN103228045B (en) * | 2013-04-10 | 2016-03-30 | 华为技术有限公司 | A kind of channel selecting method and device |
| US9510325B2 (en) | 2013-04-10 | 2016-11-29 | Huawei Technologies Co., Ltd. | Channel selection method and apparatus |
| CN103561474A (en) * | 2013-11-11 | 2014-02-05 | 南京熊猫电子制造有限公司 | Method for enhancing Zigbee communication performance |
| CN103561474B (en) * | 2013-11-11 | 2016-03-02 | 南京熊猫电子制造有限公司 | A kind of method strengthening Zigbee communication performance |
| CN105957323A (en) * | 2016-05-24 | 2016-09-21 | 上海玮舟微电子科技有限公司 | Remote control method, remote control device and remote control unit |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101166383B1 (en) | 2012-07-23 |
| CN101207540B (en) | 2012-11-28 |
| KR20080058071A (en) | 2008-06-25 |
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Granted publication date: 20121128 Termination date: 20210406 |