Methods of selecting and controlling devices

FIELD: physics, communications.

SUBSTANCE: invention relates to selecting and controlling devices based on wireless communication technology. The wireless controller sends a test message to one or more devices; each device receives the test message, obtains information relating the location thereof relative to the wireless controller, determines the response time according to a first predefined rule based on the relative location information thereof; detects response signals from other devices until the response time expires; decides whether or not to send its response signal according to a second predefined rule and procedure for detecting response signals from other devices; the wireless controller receives response signals sent by devices after comparing information on the location of each device relative to the wireless controller and selects the target device from said devices.

EFFECT: reduced complexity, delay and power consumption when selecting wireless devices which are especially applicable for wireless illumination systems.

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The technical field to which the invention relates

The present invention relates to the selection and management of devices, in particular to methods for the selection and management of devices based on wireless technology.

The level of technology

In the internal and external environments where people live and work, are various kinds of electronic and electric devices, such as many fixtures located in different places. The user selects and manages these devices in order to satisfy their needs in work and life. Currently, people usually use a fixed controllers, such as a control panel mounted on the wall, to control these devices. In this case, if the user wants to operate the device, he must go to the control panel for manipulating a key or handle corresponding to the device. As the number of devices increases, the control panel would become more complex with a large number of buttons or knobs corresponding to the multiple devices, and the user must remember which button controls the corresponding device. Although wireless technology has been used to reduce the distance between the user and the control panel, such as remote the Board to control each device remotely the remote control is still difficult due to the large number of buttons, menus or options for each device. Thus, the remote control is large and its user interface is not very user-friendly.

In the daily working conditions and accommodation, among the many devices in the same management area, the user usually wants to choose and manage only the device that is in a specific location in relation to him, as, for example, at a particular distance or in a particular direction with respect thereto. For example, when the user leaves the living room and enters the bedroom, he wants to turn on the lights in the bedroom or off the lamps in the living room; or he wants to turn on the lights, which shows in his hand remote control, and other fixtures to keep in the same condition. In prior art wireless controller sends a test message to identify all devices that are in its control area, and each device sends a corresponding feedback signal to the wireless controller according to protocols, such as Protocol multiple access with carrier detection and prevention of collisions (CSMA/CA). The village is e as wireless controller will take the feedback from all devices he will choose the target device is located in a specific relative location, comparing the information broadcast a test message or feedback signals, as, for example, the light intensity of a received signal (RSSI) or time of passing, and sends the control signal to the target device to control them. It is obvious that the current system requires feedback from all devices and selects the target device depending on all adopted different feedback, even if the system wants to select only one target device at a specific distance or direction. When the number of devices increases, the number of feedback signals also increases, thus, the wireless controller requires more time for processing and higher processing capabilities; meanwhile, a large number of feedback would be the collision probability of the channel because of the way random access, such as CSMA/CA, thus, the wireless controller is a need for more time to collect all of the feedback signals from all devices. These shortcomings are the result of a longer delay before the choice and the control target device via a wireless controller and poor perceived the enterprise user.

The invention

Therefore, it would be useful to provide a way to select and control devices having a shorter delay selection and management based on wireless technology. It would also be useful to reduce the number of feedback signals in the sequence of operations on the selection and management to facilitate wireless controller, save energy and reduce electromagnetic radiation in the environment.

In order to better address one or more of these tasks, according to the options exercise regarding one aspect of the invention provides a method for use in a device to facilitate wireless controller in selecting the target device, the method includes the steps are: i. the device receives a test message from the wireless controller and receives information relative location with respect to the wireless controller; ii. determines the response time for response according to the first predefined rule based on the information of the relative location; iii. the device detects response signals from other devices before the expiration of the response time; determines whether to send or not to send your response signal according to the second predefined rule and procedure of detection is Ignatov response from the other device before the expiration of the response time, the signal response comprises information relative location.

According to variants of implementation relating to another aspect of the present invention provides a method for use in the wireless controller to select the target device from one or more devices, the method contains the following steps: I. sending a test message to one or more devices; II. receiving one or more response signals sent by one or more devices, each of the signal response comprises information relative location to describe the relative location of the device relative to the wireless controller; III. based on the information of the relative location of one or more response signals, selecting a target device from one or more devices according to pre-set rule.

According to variants of implementation of the present invention, each device defines a different response time according to different relative locations with respect to the wireless controller, based on predefined rules, i.e. the greater the relative location of the device corresponds to the location of the target device, the more likely this device will respond, and more wireless controllerbase his answer, that significantly reduces the delay in the selection of the target device; however, other devices do not respond when they discover that there are devices better than the corresponding target device, than they, by detecting response signals from other devices, so their energy consumption, as well as radio transmission and electromagnetic radiation in the area is reduced, and the complexity of the signal processing of the response from the point of view of the wireless controller will be simplified.

The above and other features of the present invention will be explained in the implementation options described below.

Brief description of drawings

The features, objectives and advantages of the present invention will be easily understood with the following detailed, non-limiting exemplary embodiments described with reference to the accompanying drawings, wherein same or similar reference symbols indicate the same or similar device.

Figure 1 shows a topology in which a wireless controller selects the nearest lamp according to a variant embodiment of the invention;

Figure 2 shows a schematic block diagram of the major components in the lamp according to a variant implementation of the present invention;

Figure 3 shows a schematic block diagram of the main components of b is provodnogo controller to select and control devices according to a variant implementation of the present invention;

Figure 4 shows the block diagram of the sequence of the way in which wireless controller selects a target device from a variety of devices according to a variant implementation of the present invention;

5 is a schematic view of the first predefined rules used by each fixture to determine the time of its response based on the RSSI according to a variant implementation of the present invention.

6 shows a topology in which a wireless controller selects the lamp that indicates wireless controller, according to another variant implementation of the present invention.

Detailed description of embodiments

Options for implementation will be roughly explained with reference to figures 1-6, on which the lamps are used as an example.

Option 1 implementation

Figure 1 shows the topology of the lighting area network wireless control. This area of coverage is the internal environment and includes two adjacent rooms R1 and R2. Lamps with D1 through D3 are mounted in the room R1, and D4 and D5 in the room R2. Wireless controller sends control signals to each lamp through unicast or multicast based on the individual identification of each lamp to control the FL functions, lighting, such as on/off, brightness, color, focus, or rotation. The complete run of fixtures means that the system knows the location of each lamp. The launch method is widely known to experts in the art, and the present invention will not provide additional details.

As shown in figure 2, each lamp includes a lighting component 210, the module 220 wireless communication, using wireless protocols such as ZigBee™processor 230, memory 240 and the source 250 power. Module 220 performs wireless communication on the wireless controller using ZigBee™ or other protocols to establish a wireless network. Each lamp takes a test message sent by the wireless controller C, measures the RSSI or the propagation time of signals sent by the wireless controller C, and responds with a signal response; response signal comprises unique identification information of the lamp. Wireless controller selects the desired lamp, retrieves the unique identification of its response signal, and sends the control signal with a unique identification in the form of a unicast transmission to the lamp. The processor 230 and memory 240 switch on/off lighting component 220, adjust its brightness and t is next to, according to the control signal sent by the wireless controller C. Source 250 power supply can connect to mains power 120V/60Hz or 220V/50Hz, and comprises a transformer, and provides electricity for lighting component 210, module 220 wireless, processor 230 and memory 240 lamps.

As shown in figure 3, the wireless controller includes a transceiver 310, is connected to a transmitting-receiving antenna, a processor 320, memory 330, and a user interface 340. The user interface 340 comprises control interfaces, such as a button, knob or touch screen, the processor 320 generates a test message or a control signal for lamps according to user mode, and the signal is transmitted by the transceiver 310. The transceiver 310 is also based on the ZigBee Protocol™ and communicates with each lamp. The memory 330 stores the accepted identification information of the lamps. Wireless controller can be Autonomous and special products for the lighting system, or may be implemented in a PDA (personal digital Secretary) or mobile phone, and it can also be integrated into other wireless controllers, such as remote control of the TV.

This exercise will clarify the present from retina in relation to the selection and control of luminaires based on RF (radio frequency) technology, such as the ZigBee Protocol™. It should be clear that the present invention is not limited to RF technology and is also applicable to other wireless technologies such as infrared, ultrasonic and laser. The area coverage is not limited internal environments, as shown in figure 1, and is also applicable to external environments, such as parks, stadiums and construction sites. Moreover, the present invention is applicable to select and control any other device, such as device temperature control or sound device.

In this embodiment, the user, holding a wireless controller, enters the room of R1 room R2, and the lamps D1-D3 R1 are turned off, while D4 and D5 in R2 are included. At this point in time, the user typically wishes to include the nearest lamp D1 in order to illuminate this room. The user enters a command to turn on the nearest lamp" in the wireless controller through the user interface.

As shown in figure 4, first at step S10 wireless controller sends a test message through one channel (a specific communication resource, such as time and frequency) to the lamps D1-D5 within the field of management. It sends a test message is usually as a wide the broadcast transmission. Each lamp receives and detects a test message in the channel and recognizes that the wireless controller With the currently selects the next target device.

And at step S20 lamp D1 accepts these trials and measures the distance information, for example, signal strength or time of passing a test message, which indicates the distance between D1 and a wireless controller C. more Specifically, based on ZigBee™ module 220 wireless fixtures can accept and recognize a test message and measure RSSI test messages. The Protocol ZigBee™ and its method for measuring RSSI is well known to specialists in the art and are not the focus of the present invention, therefore, further details will not be described.

At the same time (transmission delay of radio signals is ignored), at step S20' and S20", lamps D2 and D3 also take this test message and get the information of the distance between D2 and D3 and the wireless controller C, as, for example, RSSI test messages. Lamps D4 and D5 perform similar steps as D3, and it will not be explained in the following description, until it becomes necessary.

After that, at step S21, S21' and S21" each of the lamps D1, D2 and D3, respectively, determines the response time TD1, TD2and TD3for the CTE is and the wireless controller according to the first predefined rule based on the distance information, i.e. RSSI test message in this embodiment. In this embodiment, since the wireless controller you want to select the nearest lamp, the first predefined rule is this:

the shorter the distance specified by the distance information, the lower the response time.

According to this rule, in comparison with the traditional random answer all of the lamps based on CSMA/CA in prior art wireless controller receives the signal response from the nearest lamps as quickly as possible, thus the delay to select the nearest lamp is shorter, and the probability of collisions is reduced. More specifically, the attenuation in the propagation of the radio signal is correlated with the distance between transmitter and receiver, as, for example, formulated by the following equation Fris:

PrPt=GrGt(λ4πR)2(1)

wherePrandPtare the power receiving and power transmitting respectively,Gtand rare the coefficients of the antenna gain of the transmitter and receiver, respectively,λis the wavelength of the signal andRis the distance between transmitter and receiver. It is obvious that each lamp can use RSSI test messages (Pr/Ptas information about the distance indicating the distance between itself and the wireless controller C, where the wireless controller uses an omnidirectional transmitting antenna, which means that the test message is sent with the same transmitting power to each lamp in all directions (360 degrees), the gains of the antennas of all lamps are the same, and interference caused by noise, etc. are the same. Therefore, the first predefined rule is that:

more than RSSI test messages, the smaller the response time.

This alternative implementation of the present invention provides a mechanism with the priorities and segmentation, and each lamp uses this mechanism to determine its response time according to his RSSI test messages. As shown in figure 5, RSSI is divided into 6 different segments according to several threshold values, and each segment corresponds to one segment of the response time, where RSSI is greater h is m the upper bound U, representative of the time segment 0~T1, RSSI is less than the upper bound U and greater than the threshold value R1 corresponds to the time segment T1~T2, and so on; RSSI is less than the lower bound L, corresponds to the segment of time after T5, where T5>T4>T3>T2>T1>0. Each lamp first selects the corresponding segment of the RSSI according to his RSSI test messages, and then he selects the corresponding segment response time according to the selected segment RSSI, and finally, it will determine the response time in the selected segment response time. In a preferred embodiment, the definition of response time in the segment response time is random, in order to avoid collisions between multiple lamps in the same segment of the RSSI and the same segment response time. These lamps are in the same segment response time additionally use protocols access to the transmission medium, as, for example, CSMA/CA or ALOHA to cancel when there is a conflict.

In this embodiment, the lamp D1 is the closest to the wireless controller, and D3 is the most remote, therefore RSSI1 test messages in D1 is the largest, RSSI2 in D2 is medium and RSSI3 in D3 is the smallest. In this embodiment, RSSI1 and RSSI2 is located between the upper bound U and the threshold value is of R1, and RSSI3 is between the threshold values R1 and R2. Hence, the steps S21, S21' and S21" lamps D1, D2 and D3 respectively determine their response times TD1, TD2and TD3in T1~T2, T1~T2 and T2~T3. In the preferred embodiment, these response times are determined randomly in time segments.

Then, at step S22, the lamp D1 detects response signals to other devices on the channel response before the expiration of TD1. Thus in effect, and the D2 lamp before the expiration of TD2at step S22', and the lamp D3 before the expiration of TD3at step S22". If RSSI lamp was larger than the upper limit, its response time would be 0 and it not be detected response signals from other devices, and would have sent the signal response immediately. It should be understood that all the lamps in the lighting must be synchronized. Synchronization could be achieved test message sent by the wireless controller C, as the area coverage is relatively small, and the time of transmission of a test message sent from each wireless controller With each light is approximately the same, therefore, each lamp can be synchronized by a received test message. Synchronization could be achieved using the-W other existing methods, however, the present invention will not provide additional details.

Then at step S23, S23' and S23" lamps D1, D2 and D3, respectively, make the decision to send or not a response signal according to the second predefined rule and procedure of the detection signal response from other fixtures before the expiration of the applicable response time. The second predefined rule contains the following sub-rules:

a) the signal response is sent, if not detected response signal from the other of the lamps before the expiration of the response time; and

b) the signal response is sent if at least one response signal from the other fixtures detected before the expiration of the response time, and distance of other fixtures to the wireless controller is greater than the distance from any of the lamps D1, D2 and D3 to the wireless controller C.

In one case, TD2accidentally defined in the segment T1~T2 response time lamp D2) is less than TD1accidentally defined in the same segment of time through D1, where TD2and TD1are less than TD3. In this case, the second predefined rule used in D2, is performed in accordance with (a): since the D2 lamp has not detected any signal response from other ustroystvo the expiration of T D2he sends the response signal to the wireless controller at the step S23', the signal response embodies his RSSI test messages. This response signal is also received by the lamp D1 at step S23 and D3 at step S23, which detects signals in response to expiration of TD1and TD3respectively.

Step S23 running lamp D1, can be divided into steps S230 and S231. More specifically, at step S230 lamp D1 receives the signal response D2 and extracts RSSI test message D2. At step S231 D1 compares it to its own RSSI test message based on the above the second predefined rule b: D1 also sends the response signal to the wireless controller, because the lamp D1 knew that wireless controller C chose the nearest lamp (for example, he instructed the trial message), and RSSI test message D2 is less than the RSSI test message D1, which means that the lamp D1 is closer to the wireless controller C than D2.

Meanwhile, at step S23 the lamp D3 also receives response signal D2, and extracts the RSSI test message D2, and compares the RSSI with its own RSSI test message based on the above the second predefined rules b). Lamp D3 refuses to answer, because the lamp D3 knows about h what about the wireless controller C selects the nearest lamp, and RSSI test message D2 is greater than the RSSI test messages D3, which means that the D2 lamp is closer to the wireless controller C than D3. In an alternative embodiment, the lamp D3 knows that segment response time D2 is larger than the segment response time, this means that it RSSI test message is set in the lower segment than D2, so he has no need to extract the RSSI test message D2 and compare RSSI with its own RSSI, and can immediately abandon their response. The refusal to answer more distant lamps probability of collisions of responses of other more intimate lamps is reduced, and the energy consumption of lighting, refuse their responses, as well as electromagnetic radiation in the field of lighting decreases.

In another case (not shown in figure 4), TD1accidentally defined in the segment T1~T2 response lamp D1, is less than TD2randomly determined by the D2 lamp. Therefore, the lamp D1 first would have sent its response signal, which includes its RSSI test messages to the wireless controller C, and the signal response is also taken lamps D2 and D3. Lamps D2 and D3 get RSSI test message D1, determines that D1 is closer to the wireless controller than they are, and thus, the refusal is given to their answers. The probability of collisions, energy consumption and electromagnetic radiation are reduced.

Thereafter, at step S11 wireless controller C receives one or more response signals sent by the lamp D1 or D1 and D2 lamps, with the lamp D1 or D1 and D2 lamps send their response signals, comparing the distance between the wireless controller C and each of D1, D2 and D3. The comparison is performed indirectly, the system defines different response times for each lamp according to their different RSSI test messages, and refuses to answer relatively distant lamps. In a real system wireless controller C may establish a deadline reception after he made the broadcast test messages, and may accept only up to the deadline.

It should be clear that if TD1and TD2are equal or almost equal, lamps D1 and D2 can send response signals at the same time. In this case, two lamp could cancel or resubmit their response signals based on the current protocols for access to the transmission medium, as, for example, CSMA/CA or ALOHA. And during this delay, the lights continue detecting whether sent or not other fixtures response signals, ibout to perform the actions mentioned above, as, for example, receive and answer or refuse to answer, when he was detected signal response.

Then at step S12 on the basis of information relative location in one or more response signals wireless controller C selects the closest target of the candlestick out of the one or more respective lamps according to pre-set rule.

More specifically, in one case, the wireless controller C receives response signals sent by the lamps D2 and D1, and the response signals comprise RSSI test messages each lamp. Then, by comparing the RSSI of each lamp, wireless controller C would choose lamp D1 with the highest RSSI as the nearest lamp. In another case, the wireless controller C receives only the signal of the response sent by the lamp D1, and would define D1 as the closest lamp. Thus, the selected target lamp D1, which is closest to the user.

Additionally, at step S13 wireless controller C send the generated control signal to control the nearest lamp D1 to D1 according to the transmission scheme corresponding to the RSSI test message D1, while the control signal comprises a unique identification D1 to facilitate its reorganization. More specifically, if the RSSI test what about the messages D1 is -5 dB, meanwhile, as the wireless communication module of lamps requires RSSI -7 dB for receiving and detecting the control signal, the wireless controller C reduces its transmit power by approximately 1 dB, in order to ensure that the lamp D1 will receive the control signal from the RSSI -6 dB. Thus the energy consumption of the wireless controller and the electromagnetic radiation in the field of lighting decreases. Since this control signal is intended only for D1, no matter whether his other lamps.

It should be clear that the present invention is not limited by the mechanism with the priorities and segmentation. When the number of lamps is small and in one segment response time is a little collision response, another variant of implementation of the present invention offers directly to separate the different response times for lamps with different RSSI test messages. For example, the response time is 0 for RSSI greater than the upper bound U, and the response time T1 for RSSI is between U and R1, and so on. Thus, the nearest lamp would be the first, and the other lamps would their answer, because they were detected signal response of the nearest lamp. Thus, the delay to select the nearest lamp wireless control of lerom C and the probability of collisions can be reduced, the energy consumption of each lamp can be reduced, and electromagnetic radiation in the lighting area can be reduced. Also, the earliest signal of the response received by the wireless controller C must be sent from the nearest lamp.

The above option exercise explains the present invention by incorporation of the lamp, and it should be clear that the present invention is also applicable to the other above-mentioned control commands such as shutdown, brightness, color, focus, direction, and so on.

The present invention is also applicable for selecting the second nearest lamp. More specifically, the wireless controller C can set the maximum RSSI in the test message. Each lamp takes him a test message first and concludes whether it RSSI test message to a third pre-set rule: less whether RSSI test messages than the maximum RSSI. If so, it continues the above steps S20-S23 to answer, otherwise he rejects his answer. Thus, filtered lamps, which have the smallest distance wireless controllers With or who have less than a predefined distance threshold. Max the maximum RSSI receive a preliminary selection of the nearest lamp according to the above option exercise or through experience or experiments in the real environment. Similarly, the present invention is also applicable to select the next group of lamps.

Additionally, the present invention is also applicable to select the most distant lamp. For example, after entering the room R1, the user wishes to turn off the lamps D4 and D5 in the room R2. In this case, the first predefined rule, used lamps to determine their response time is:

more than the distance specified by the distance information, the shorter the response time.

When RSSI is used to describe distances, the rule is as follows:

the smaller RSSI test messages, the shorter the response time.

Meanwhile, the second predefined rule used to draw a conclusion, to answer or refuse to answer, contains:

a) sending a signal response, if not detected response signal from the other of the lamps before the expiration of the response time; and

c) sending a signal response, if detected, at least one response signal from the other of the lamps before the expiration of the response time, and distance from other fixtures to the wireless controller is less than the distance from the lamp to the wireless controller.

The mechanism with the priorities and segmentation is also applicable in this embodiment. This version is done by what means can be used to control additional lighting through the installation of a minimum RSSI in the test message. In this case, a test message contains the minimum RSSI, and each lamp draws a conclusion whether it RSSI test message to a third pre-set rule: do more RSSI test messages than the minimum RSSI. If so, it performs similar steps as the above steps S20-S23 to reply; otherwise, he rejects his answer. Similarly, this alternative implementation is also applicable for group selection of the most distant lamps.

Similarly, by setting a single maximum RSSI and one minimum RSSI at the same time, variants of the present invention can be used to select one or more fixtures located within or outside this range. Specialists in the art can obtain options for implementation in different scenarios based on the disclosure and ideas of the present description without inventive activity, and the present description will not provide additional details.

After selecting one or more of the lamps around the wireless controller, wireless controller provides a list of fixtures for the user from which the user can make the selection manually.

The above command, the various stages in the selection and control of the Department for lamps at various distances can be easily introduced into the wireless controller C by the user. For example, in the user interface of the wireless controller has the option "distance" and "function". The user can set the "distance" in the "near"and "function" in the "include"; or install a "distance" in the "farthest"and "function" to "off" to enter commands into the wireless controller C, which could then generate the appropriate test message and start the steps for the selection and management.

The above embodiments of using RSSI test messages as the information distance to specify the distance between the lamps and a wireless controller C. as an alternative, a time trial or message and RSSI and time passing a test message can be used to specify the distance. Specialists in the art can reasonably count on that can also be used in other radio transmission; these applications are within the scope of protection of the attached claims, and the present description will not provide additional details.

The above embodiments of clarify the application of the present invention, in which the wireless controller uses an omnidirectional antenna to select the nearest or closer lamps,the farthest and most remote lamps, or lamps, within or outside the range. Another application of the present invention will be explained below, in which the wireless controller C uses a directional antenna to select lamps with a specific azimuth to the wireless controller C.

Option 2 implementation

As shown in Fig.6, the transmitting antenna of the wireless controller C is designed as, for example, directional antenna with beam forming. This type of antenna has a relatively stronger capacity transmission within the range of the angleAas, for example, in the direction which is indicated by the wireless controller C, and has the lowest transmit power in a different angular range. Therefore, when the user wants to choose the D2 lamp and to control it, he can direct his handheld wireless controller C in the direction D2. Thus, azimuthθbetween the lamp D2 and the angle of transmission of the wireless controller (which represents the angle between the direction of maximum transmission and the direction D2) is small; whereas the azimuth lamps D3 and D1 are relatively large.

First, the wireless controller C performs broadcast transmission of a test message, and transmit power within an angleA is a large, meanwhile, as she is weak outside of the angleA.

Then the lamps, took a test message, perform steps similar to those described above: they determine information relative location with respect to the wireless controller. In this embodiment, information of the relative location information is azimuth, and specifically coefficient directional RSSI test messages. Due to the transmission properties of the directional antenna of the wireless controller C, the coefficient of the directional RSSI test messages in the D2 lamp is large, whereas for lamps D3 and D1 it is small. Module 220 wireless lamps have the ability to measure the coefficient of directional RSSI test messages, and this implementation is well known to experts in the art, therefore, the present invention will not provide additional details.

Then each of the lamps D2, D3 and D1, respectively, determines the response time TD1, TD2and TD3to answer the first predefined rule based on the information of azimuth. Because the wireless controller C selects the lamp, in which he shows the first predefined rule is this:

than man is above the azimuth, the specified information of the azimuth, the lower the response time.

When the coefficient of the directional RSSI test message indicates the azimuth information, the rule is this:

the larger the coefficient directional RSSI test messages, the lower the response time.

Thus, the lamps within a specified angular rangeAwould respond as quickly as possible. The delay in selecting the target lamp and the probability of collisions in the response would decrease, and increased the quality of interaction with the user.

Preferably, the mechanism with the priorities and segmentation described above could be applied to the lamps in order to avoid collisions.

Since the coefficient of the directional RSSI test messages in the D2 lamp is great, its determined time TD2the answer is shorter than TD3and TD1lamps D3 and D2. Each lamp detects response signals from other lamps. The D2 lamp will not detect response signals from the other of the lamps before the expiration of TD2,so he sends his signal response, which would be adopted by the wireless controller C, and detected lamps D3 and D1.

Then the lamps D3 and D1 conclude that the coefficient directionally what about the actions RSSI test message D2 is great than them, which means that D2 has a smaller azimuth to the angle of transmission of the wireless controller C, and thus D2 is more suitably is within the range of the angleAso they abandon their answers. Thus, the probability of collisions, energy consumption and electromagnetic radiation are reduced.

This wireless controller C determines that the lamp D2 is the target lamp according to the signal response from D2. Additionally, it sends a control signal to the lamp D2 according to the transmission scheme corresponding to the coefficient directional RSSI test message D2.

It should be clear that the above version of the implementation is not limited by the mechanism with the priorities and segmentation. When the number of lamps is small and there are few collisions answers in one segment response time, another variant of the invention proposes to separate the different response times for lamps with different coefficients of directional RSSI test message.

In this way the present invention is applicable to selection of lighting fixtures from a range of a specified angle. In this case, the first predefined rule, used lamps to determine the response time is such:

the more Azim is t, the specified information of the azimuth, the lower the response time.

The above embodiments of explained application of the present invention to select respectively the nearest or closest lamps, and fixtures located within or outside the specified angle. It should be clear that these features could be integrated into one system, in which the wireless controller sends different test messages, corresponding to different elections, for example, Omni-directional or directional. And each lamp would've kept the various first, second and third pre-defined rules with respect to each selection in the program: when test message indicates the selection of the nearest lamp loaded first predefined rule to determine its response time is this: the shorter the distance or more RSSI, the lower the response time; and loaded the second predefined rule is this: the lamp will abandon his answer, if detektirovanii RSSI other lamps is larger than RSSI; when a test message indicates the selection of the most distant lamp, downloadable first predefined rule is such: the longer the distance or less than the RSSI, the shorter the response time, and zag is uraemia second predefined rule is this: the lamp will abandon your reply, if detektirovanii RSSI other lamps is less than its RSSI; when a test message indicates the selection of the lamp within the range of a specified angle, downloadable first predefined rule is this: the smaller the azimuth or more coefficient directional RSSI, the lower the response time; and downloadable second predefined rule is this: the lamp will abandon his answer, if detektirovanii coefficient directional RSSI other lamps is larger than the coefficient of directional RSSI. It would be convenient to integrate these features in the form of software and programming. For each lamp predefined rules pre-stored in the memory 240 and loaded by the processor 230. For the wireless controller may also be broadcast on predefined rules to each lamp before or during the selection.

In the above embodiments, the implementation of the lamps measure information broadcast test messages, such as, for example, RSSI, time passing or the coefficient of directional RSSI and use this as information relative location with respect to the wireless rear is Lero. It should be clear that the method of determining the relative location of the lamp is not limited to measurement of radio broadcast a test message. In other embodiments, the implementation in which the start of each lamp was completed, the lamp determines its relative location, such as distance or azimuth with respect to the wireless controller, based on a calculation of its own coordinates and the coordinates of the wireless controller, provided a wireless controller in a test message, and then determines the response time according to its relative location and responds according to the order of time to answer or reject their response, if necessary.

In the above embodiment, a wireless controller and lamps are stationary. The present invention is also applicable in cases where either wireless controller, or lamp, or both are mobile. Wireless controller continuously selects and manages the nearest or farthest lamp. This kind of dynamic selection is also within the scope of protection of the formulas of the present invention.

In embodiments implementing the present invention are the manner in which the lamps are responsible for different response times defined in Rel the relative locations (as, for example, different RSSI test message) to reduce confusion and delay, and the manner in which the lamp refuses to answer (for example, if detektirovanii RSSI test messages from other devices is greater than that of the device) to reduce the risk of collision response, energy consumption and electromagnetic radiation. It should be clear that the two methods can be used separately or together to achieve the best technical effects than in the prior art.

Based on the above embodiments it is obvious that the application of the present invention include, but are not limited to the following:

- Select and manage the nearest or farthest lamp;

- Select and control the lamp with the least or the greatest azimuth between the lamp and the transmission angle of a directional wireless controller;

- The selection and management of all lamps in a certain range with the relative location.

While the present invention is applicable to select and control any other home, office or industrial device, such as, for example, temperature regulators or reproducers of sound; it is also useful for routing in wireless self-organizing setiadi in the art can reasonably be aware of, all equivalent or obvious variants of the technical signs will show the same performance.

Aspect of the method of the present invention explained in the above embodiments, implementation. It should be clear that the present invention may be implemented as a device. Wireless controller and each lamp contains various devices and substrata performing each of the above stages. Specialists in the art will receive embodiments of the device based on the disclosure and ideas of the present invention without inventive activity, and the present invention will not provide additional details in the materials of this application.

Since many different embodiments of the present invention can be made without deviation from its nature and amount, it should be clear that the invention is not limited to these specific choices of the implementation described in materials of this application and scope of the invention is limited only by the attached claims.

1. A method of facilitating wireless controller to select a target device for use in a first device, comprising stages are:
i. take a test message from the wireless controller and receive inform the tion relative location with respect to the wireless controller based on the received test messages, the information relative location contains at least one of: RSSI test messages, the time of passage of the test messages and coefficient directional RSSI test message;
ii. determine the response time for response according to the first predefined rule based on the information of the relative location, with the first predefined rule configured to determine a response time on the basis of information relative location;
iii. detects response signals sent from other devices, before the expiration of the response time of the first device; decide to send or not to send a response signal to the first device according to the second predefined rule, the signal response comprises information relative location, while the second predefined rule configured to determine whether or not to send the signal response of the first device.

2. The method according to claim 1, wherein the first predefined rule contains at least one of the following sub-rules:
- information relative location includes information distance, and shorter than the distance specified by the distance information, the lower the response time, and the information of the distance with the em any one of RSSI and time of test message;
- information relative location includes information distance, and the longer the distance specified by the distance information, the lower the response time, this distance corresponds to any one of the RSSI and time of test message;
- information relative location includes information of azimuth describing the azimuth between the device and a wireless controller, and the smaller the azimuth indicated by the azimuth information, the shorter the response time;
- information relative location includes information of azimuth describing the azimuth between the device and a wireless controller, and the greater the azimuth indicated by the azimuth information, the shorter the response time.

3. The method according to claim 1, in which step ii further comprises the steps are:
a) choose the appropriate segment information relative location according to the information of the relative location;
b) choose the appropriate segment response time according to the segment information relative location;
c) choose the response time in the segment response time.

4. The method according to claim 1 or 2, wherein the second predefined rule contains at least one of the following sub-rules:
- send a signal response of the device, if not detected ignal response from the other device before the expiration of the response time;
- send a signal response of the device, if the first predefined rule specifies that the less information relative location, the lower the response time, and at least one response signal from other devices will be detected before the expiration of the response time and the information of the relative location of the other device more than the information of the relative location of the device;
- send a signal response of the device, if the first predefined rule sets that the more information of relative locations, the shorter the response time, and at least one response signal from another device detects before the expiration of the response time and the information of the relative location of the other device is less than the information of the relative location of the device.

5. The method according to claim 1, the method further comprises the following step between step i and step ii, on which:
- decide whether information relative location of the device to a third pre-set rule, and if so, perform the phase ii-phase iii.

6. The method according to claim 5, in which the third predefined rule is used in order to make a conclusion:
in short, if the distance between the device and a wireless controller than the first threshold value and/or long Lee, than the second threshold value; or
- less of whether the azimuth between the device and a wireless controller than the third threshold value, and/or more than the fourth threshold value.

7. The method of selecting a target device from a variety of devices for use in the wireless controller, the method contains the steps are:
I. send a test message to multiple devices, with a test message contains the first predefined rule to use many devices to respectively determine their response time;
II. receive one or more signals of the response sent at least part of the multiple devices, with each of the signal response comprises information relative location information describing the relative location of the sending device to the wireless controller;
III. on the basis of information relative location, enclosed in one or more response signals, select the target device from one or more devices according to the third pre-set rule.

8. The method according to claim 7, in which the first preset rule contains at least one of the following sub-rules:
- the shorter the distance between the wireless controller and the device receiving the test signal, the lower the response time;
- the greater the distance between the wireless controller and the device, receiving a test signal, the smaller the response time;
- the smaller the azimuth indicated by the azimuth information, the shorter the response time, and the information of the azimuth describes the azimuth between the device and a wireless controller;
- the more the azimuth indicated by the azimuth information, the shorter the response time, and the information of the azimuth describes the azimuth between the device and a wireless controller.

9. The method according to claim 8, in which the third predefined rule contains any one of the following items:
- choose the device with the highest information relative location as the target device;
- choose the device with the least information relative location as the target device; or
- choose the device within range of the relative locations as the target device.

10. The method of claim 8, the method further comprises a stage on which:
- send a control signal to control a target device according to the scheme of transfer, the relevant information of the relative location of the target device.

11. The method according to claim 8, in which a test message contains a pre-specified condition relative m is topologize, when this preset condition relative locations of use in order to make a conclusion:
in short, if the distance between the device and a wireless controller than the first threshold value, and/or longer than the second threshold value; or
less if the azimuth angle of the transmission of the wireless controller than the third threshold value, and/or more than the fourth threshold value.



 

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13 cl, 10 dwg

FIELD: electricity.

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29 cl, 8 dwg

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15 cl, 16 dwg

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13 cl, 3 dwg

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14 cl, 4 dwg

FIELD: electricity.

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1 dwg

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18 cl, 8 dwg

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17 cl, 2 dwg

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2 dwg, 1 tbl

FIELD: information technology.

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6 cl, 2 dwg

FIELD: information technology.

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2 cl, 6 dwg

FIELD: transport.

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30 cl, 14 dwg

FIELD: remote measurement of temperature, possible use in power engineering, medicine, home appliances.

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EFFECT: increased convenience of remote temperature measurement.

2 cl, 1 dwg

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