CN102647211A - Mobile terminal for realizing wireless clustering function by utilizing Zigbee technology - Google Patents
Mobile terminal for realizing wireless clustering function by utilizing Zigbee technology Download PDFInfo
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- CN102647211A CN102647211A CN2011100436106A CN201110043610A CN102647211A CN 102647211 A CN102647211 A CN 102647211A CN 2011100436106 A CN2011100436106 A CN 2011100436106A CN 201110043610 A CN201110043610 A CN 201110043610A CN 102647211 A CN102647211 A CN 102647211A
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- zigbee
- base band
- selector switch
- portable terminal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a mobile terminal for realizing a wireless clustering function by utilizing a Zigbee technology. The mobile terminal comprises a master control chip of a base band and a Zigbee module connected with the master control chip of the base band, wherein the master control chip of the base band receives and sends a Zigbee signal by virtue of the Zigbee module. According to the mobile terminal for realizing the wireless clustering function by utilizing the Zigbee technology, a clustering function with low power consumption and low cost is realized.
Description
Technical field
The present invention relates to the communications field, specially refer to the portable terminal that a kind of Zigbee of utilization technology realizes the wireless colony function.
Background technology
Trunked communication system is that the mode according to dynamic channel assignment realizes the multi channel radio mobile communication of multiple users share system.The typical user of trunking communication is unit with crowd; Intragroup member often communicates with the half-duplex form of one-to-many; Promptly a member obtained the floor a moment; Intragroup other members can only receive this moment, and the member that waits to make a speech speech finishes when discharging right to speak, and another member takes over right to speak and continues speech.Trunked communication system has wide application in each side such as its people's construction, national security, daily lifes.Portable terminals such as present mobile phone can be realized clustering functionality through bluetooth; But Bluetooth technology in use; There are many defectives, to industry, home automation control and industrial telemetry field of remote control; That Bluetooth technology seems is too complicated, power consumption is big, cost is high and the networking scale is too little, can't satisfy needs of people.
Summary of the invention
Main purpose of the present invention is the portable terminal that provides a kind of Zigbee of utilization technology to realize the wireless colony function, realizes low-power consumption, clustering functionality cheaply.
The present invention proposes the portable terminal that a kind of Zigbee of utilization technology realizes the wireless colony function; Comprise the base band main control chip; Also comprise the Zigbee module that is connected with said base band main control chip, said base band main control chip is through said Zigbee module transmitting-receiving Zigbee signal.
Preferably, said Zigbee module comprises interconnective Base Band Unit and radio frequency unit.
Preferably, said radio frequency unit comprises Zigbee antenna, amplifier unit and the filter that connects successively.
Preferably, said amplifier unit comprise first selector switch, second selector switch and be parallel to first selector switch and second selector switch between low noise amplifier and radio-frequency power amplifier.
Preferably, said first selector switch and second selector switch are single-pole double-throw switch (SPDT).
Preferably, said Base Band Unit is controlled first selector switch and second selector switch through switch controlling signal.
Preferably, said Base Band Unit is controlled the power of said radio-frequency power amplifier through power control signal.
The present invention proposes the portable terminal that a kind of Zigbee of utilization technology realizes the wireless colony function; Since ZigBee be a kind of emerging closely, low complex degree, low-power consumption, low data rate, radio network technique cheaply; It is a kind of technological motion between radio mark technology and bluetooth, is mainly used near radio and connects.Zigbee technology only needs energy seldom, through radio wave data is passed to another node from a network node with the mode of relay, so their communication efficiency is very high, has realized low-power consumption, clustering functionality cheaply.
Description of drawings
Fig. 1 utilizes the Zigbee technology to realize the structural representation of portable terminal one embodiment of wireless colony function for the present invention is a kind of;
The Zigbee technology of Fig. 2 utilizing for the present invention is a kind of realizes the structural representation of Zigbee module among portable terminal one embodiment of wireless colony function;
The Zigbee technology of Fig. 3 utilizing for the present invention is a kind of realizes the structural representation of radio frequency unit among portable terminal one embodiment of wireless colony function;
The Zigbee technology of Fig. 4 utilizing for the present invention is a kind of realizes the structural representation of amplifier unit among portable terminal one embodiment of wireless colony function.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The Zigbee technology is a kind of short-distance wireless communication technology with unified standard, and its PHY layer and mac-layer protocol are standard with the IEEE802.15.4 agreement, and the working frequency range of ZigBee is divided into 3 frequency ranges, and the modulation system on each frequency range is different with transmission speed.They are respectively 868MHz, 915MHz, 2.4GHz, and the general ZigBee frequency range of China is 2.4GHz.Wherein the 2.4GHz frequency range is divided 16 channels; This frequency range is the radio frequency band of paying, exempting to apply for of exempting from of global general-use; ZigBee data transmission rate on this frequency range is 250kbps, and this transmission rate is done certain optimization can satisfy wireless data and voice transfer requirement.In the ZigBee network, open ended maximum device number is 65536.ZigBee has following characteristics in addition:
1, the standard traffic distance is 30m～70m, but can reach hundreds of rice after the expansion, even several kilometers.
2, low in energy consumption, emission is output as 0～3.6dBm, and two joint No.5 cell supports reach the standby service time about 6 months to 2 years.
3, no Internet utilization fee is operated in global public wireless frequency range;
4, to have adopted close spoon length be 128 AES to the ZigBee technology, transmitting data information encrypted good confidentiality;
5, adopt the multiple carrier channel of exempting to conflict to insert (CSMA-CA) mode, effectively avoided the conflict between the radio carrier, strengthen anti-interference, guarantee data reliability.
6, have the self-organization network function, utilize this function can set up the automatic network-building at a plurality of terminals;
The Bluetooth technology power consumption is littler relatively, transmission range is longer for Zigbee technology, can free networking, cost is lower; And the speed with 250Kbit/s is carried out the transmission that certain optimization can be satisfied wireless data even voice, so the ZigBee technology can be applicable to and in portable terminal, does clustering functionality.
With reference to Fig. 1; A kind of portable terminal one embodiment that utilizes the Zigbee technology to realize the wireless colony function of the present invention is proposed; Comprise base band main control chip 10, also comprise the Zigbee module 20 that is connected with base band main control chip 10, base band main control chip 10 is through Zigbee module 20 transmitting-receiving Zigbee signals.
Under the normal condition, Zigbee module 20 receives the control of the base band main control chip 10 of portable terminal to be in closed condition, and at this moment, portable terminal uses under public communication system.When portable terminal begins to set up the Zigbee network, when perhaps getting into the zigbee network that has existed, the base band main control chip 10 of portable terminal is in open mode through control signal control Zigbee module 20, and sets up or search for the Zigbee network operation.Zigbee module 20 is through self-contained Zigbee antenna transmission or receive signal, and set up or get in the Zigbee wireless network that has existed, since the networking characteristic of Zigbee, the communication of so just having set up cluster.When sending signal; Base band main control chip 10 sends to other stored information in the input information of keyboard or the portable terminal in the Zigbee module 20 through data/address bus, Zigbee module 20 after ovennodulation again through sending in the self-contained Zigbee antenna; When receiving signal; After Zigbee module 20 receives signal through the Zigbee antenna; Handle to received signal, import again and do corresponding signal in the base band main control chip 10 of portable terminal and handle, just can store or demonstration receives on the LCD of portable terminal display unit information.On the other hand, handle through corresponding algorithm optimization, Zigbee module 20 also can satisfy the demand of voice communication; When sending voice signal; Voice signal is picked up in the audio frequency importation of portable terminal, and this voice signal is admitted to the Digital Signal Processing of doing quantification in the base band main control chip 10, and the voice signal of handling is identical with the process of above-mentioned transmission signal; Send in the Zigbee module 20 through data/address bus, go out through the Zigbee antenna transmission after doing corresponding modulation; When received speech signal; The wireless signal that has voice messaging is received by the Zigbee antenna; And after the radio frequency processing processing through Zigbee module 20; Do the digital signal that demodulation obtains voice; The digital signal of these voice sends in the base band main control chip 10 of portable terminal through data/address bus, and the base band main control chip 10 of portable terminal is done the audio output part branch that sends to portable terminal after certain demodulation process with the digital signal of these voice, and the portable terminal holder has just received the voice messaging of Zigbee network.
In the present embodiment,, utilize the characteristic of Zigbee can reach the function of MANET, realized low-power consumption, the function of short-distance wireless cluster cheaply through in general portable terminal, adding Zigbee module 20.This portable terminal still can carry out public mobile communication communication function off the net in Zigbee networking process simultaneously, does not influence its normal operation.Therefore; This portable terminal is specially adapted to large-scale building project construction unit, large scale industry control operation scene, bargh, officers and men People's Armed Police, security unit etc. needs group scheduling, coordination, operation simultaneously and the user group of construction distance in several kilometer range, has wide market application prospect.
With reference to Fig. 2, in an embodiment of the present invention, Zigbee module 20 comprises interconnective Base Band Unit 21 and radio frequency unit 22.
Base Band Unit 21 perhaps receives signal through radio frequency unit 22 through the Zigbee antenna transmission, sets up or get into the Zigbee wireless network that has existed.When sending signal, base band main control chip 10 sends to other stored information in the input information of keyboard or the portable terminal in the Base Band Unit 21 through data/address bus, and Base Band Unit 21 sends to the Zigbee antenna through after the modulation treatment through radio frequency unit 22; When receiving signal; After the Zigbee antenna receives signal; After process radio frequency unit 22 is done Signal Processing; Signal after handling sent into do corresponding demodulation process in the Base Band Unit 21, the digital signal after the demodulation sends to through data/address bus to be done corresponding signal in the base band main control chip 10 of portable terminal and handles, and just can store or demonstration receives on the LCD of portable terminal display unit information.
In the present embodiment, Zigbee module 20 is accomplished the transmitting-receiving and the processing of signal through Base Band Unit 21 and radio frequency unit 22, realizes clustering functionality.
With reference to Fig. 3, in the above-described embodiments, radio frequency unit 22 comprises Zigbee antenna 221, amplifier unit 223 and the filter 225 that connects successively.
In order to make the cluster networking coverage strengthen, it is amplifier unit 223 that Zigbee module 20 has added power amplifying part.When sending signal; Base Band Unit 21 sends signal and behind wave filter 225, gets into amplifier unit 223; Amplifier unit 223 carries out suitable power amplification multiple adjustment under the control of Base Band Unit 21, send through Zigbee antenna 221 through the signal after amplifying; When receiving signal, the signal of reception arrives amplifier unit 223 through Zigbee antenna 221 and does certain amplification filtering, enters into Base Band Unit 21 through filter 225 again, has accomplished the reception of signal.
In the present embodiment,, enlarge the cluster networking coverage through in radio frequency unit 22, adding amplifier unit 223.
With reference to Fig. 4, in the above-described embodiments, amplifier unit 223 comprises first selector switch 222 and second selector switch 224, and is parallel to low noise amplifier 226 and radio-frequency power amplifier 228 between first selector switch 222 and second selector switch 224.
Utilize the TDD time division duplex principle of Zigbee transmission, in amplifier unit 223, added diverter switch i.e. first selector switch 222 and second selector switch 224, to reach the purpose of sending and receiving the timesharing transmission.When sending signal; Base Band Unit 21 sends signal and behind wave filter 225, imports second selector switch 224; The com of second selector switch 224 end links to each other with port2 under the control of Base Band Unit 21; Send signal like this and go into radio frequency power amplifier 228 through second selector switch 224 is laggard; Radio-frequency power amplifier 228 carries out suitable power amplification adjustment to the signal that will send under the control of Base Band Unit 21, the signal behind the process radio-frequency power amplifier 228 gets into the port2 port of first selector switch 222, and this first selector switch 222 makes port2 link to each other with the com end equally under the control of Base Band Unit 21; Send signal like this and send through Zigbee antenna 221 through first selector switch 222, filter 225, radio-frequency power amplifier 228 and Zigbee antenna 221 have just been formed the radio frequency transmission path like this.When receiving signal, receive signal and hold, under the control of Base Band Unit 21 through the com that Zigbee antenna 221 arrives first selector switch 222; The com end of first selector switch 222 links to each other with port1; Receive signal like this and enter into low noise amplifier 226, do certain amplification filtering, enter into the port1 port of second selector switch 224 through low noise amplifier 226 through flowing through first selector switch 222; Same under the control of Base Band Unit 21; Make the port1 of second selector switch 224 be connected, receive signal like this and get into filter 225 at the back, enter into Base Band Unit 21 then through the com port with the com port; Accomplished the reception of signal, Zigbee antenna 221, low noise amplifier 226 and filter 225 have just been formed radio frequency reception path like this.
In the present embodiment, realize sending and reception timesharing transmission, improved efficient through first selector switch 222 and second selector switch 224.
In the above-described embodiments, first selector switch 222 and second selector switch 224 are single-pole double-throw switch (SPDT).
It should be noted that other switch that can realize the TDD time division duplex also is applicable to the present invention.
In the above-described embodiments, Base Band Unit 21 is controlled first selector switch 222 and second selector switch 224 through switch controlling signal.
In the present embodiment, first selector switch 222 and second selector switch 224 are realized the TDD time division duplex function of Zigbee transmission according to the switch controlling signal of Base Band Unit 21.
In the above-described embodiments, Base Band Unit 21 is controlled the power of said radio-frequency power amplifier 228 through power control signal.
In the present embodiment, Base Band Unit 21 is controlled the transmitted power of radio-frequency power amplifier 228 as required, makes the Zigbee transmission more flexible.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (7)
1. one kind is utilized the technological portable terminal of realizing the wireless colony function of Zigbee; Comprise the base band main control chip; It is characterized in that, also comprise the Zigbee module that is connected with said base band main control chip, said base band main control chip is through said Zigbee module transmitting-receiving Zigbee signal.
2. the portable terminal that utilizes the Zigbee technology to realize the wireless colony function as claimed in claim 1 is characterized in that said Zigbee module comprises interconnective Base Band Unit and radio frequency unit.
3. the portable terminal that utilizes the Zigbee technology to realize the wireless colony function as claimed in claim 2 is characterized in that said radio frequency unit comprises Zigbee antenna, amplifier unit and the filter that connects successively.
4. the portable terminal that utilizes the Zigbee technology to realize the wireless colony function as claimed in claim 3; It is characterized in that, said amplifier unit comprise first selector switch, second selector switch and be parallel to first selector switch and second selector switch between low noise amplifier and radio-frequency power amplifier.
5. the portable terminal that utilizes the Zigbee technology to realize the wireless colony function as claimed in claim 4 is characterized in that said first selector switch and second selector switch are single-pole double-throw switch (SPDT).
6. like each described portable terminal that utilizes the Zigbee technology to realize the wireless colony function in claim 4 or 5, it is characterized in that said Base Band Unit is controlled first selector switch and second selector switch through switch controlling signal.
7. like each described portable terminal that utilizes the Zigbee technology to realize the wireless colony function in claim 4 or 5, it is characterized in that said Base Band Unit is controlled the power of said radio-frequency power amplifier through power control signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100436106A CN102647211A (en) | 2011-02-22 | 2011-02-22 | Mobile terminal for realizing wireless clustering function by utilizing Zigbee technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100436106A CN102647211A (en) | 2011-02-22 | 2011-02-22 | Mobile terminal for realizing wireless clustering function by utilizing Zigbee technology |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101325530A (en) * | 2008-07-04 | 2008-12-17 | 海信集团有限公司 | Two grade network and communication method thereof |
| CN201312389Y (en) * | 2008-12-16 | 2009-09-16 | 中国电子科技集团公司第五十研究所 | Synchronous data voice transmission device |
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| CN101807951A (en) * | 2010-02-08 | 2010-08-18 | 常州赛杰电子信息有限公司 | Communication distance extender of wireless sensor network and extension method |
| CN201733303U (en) * | 2010-05-17 | 2011-02-02 | 福建先创通信有限公司 | SCDMA outdoor radio frequency amplification device |
| US20110034125A1 (en) * | 2009-08-10 | 2011-02-10 | Motorola, Inc. | Method and apparatus for communicating push-to-talk state to a communication device |
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2011
- 2011-02-22 CN CN2011100436106A patent/CN102647211A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325530A (en) * | 2008-07-04 | 2008-12-17 | 海信集团有限公司 | Two grade network and communication method thereof |
| CN201312389Y (en) * | 2008-12-16 | 2009-09-16 | 中国电子科技集团公司第五十研究所 | Synchronous data voice transmission device |
| CN101621304A (en) * | 2009-07-27 | 2010-01-06 | 普天信息技术研究院有限公司 | Transceiver |
| US20110034125A1 (en) * | 2009-08-10 | 2011-02-10 | Motorola, Inc. | Method and apparatus for communicating push-to-talk state to a communication device |
| CN101807951A (en) * | 2010-02-08 | 2010-08-18 | 常州赛杰电子信息有限公司 | Communication distance extender of wireless sensor network and extension method |
| CN201733303U (en) * | 2010-05-17 | 2011-02-02 | 福建先创通信有限公司 | SCDMA outdoor radio frequency amplification device |
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Application publication date: 20120822 |