Ad hoc network Broadband radio IP mesh vhidhiyo data network transmitter transceiver
Zviri Mukati
Poshi,rondedzero yechigadzirwa
Iyi sisitimu inoshandisa rudzi rutsva rwebroadband "wireless mesh network" yakavakirwa mesh network。MP-D Link senharembozha ad hoc network,Izvo hazvibvi pane iripo network network,Tsigira chero network topology,Yakasiyana kubva kune echinyakare isina waya network,Iyo haina pakati、distributed、Multi-hop relay、Dynamic routing、Wireless Broadband system ine yakasimba kupona uye yakanaka scalability,Kushandiswa kwemukati kweiyo yayo nzira protocol, Yakazara isina waya kutaurirana pakati penodhi kuburikidza newireless multi-hop kutapurirana。Kuzvironga-akagovera Broadband wireless network transmission system ine inoshanda MAC layer transmission protocol uye maviri-layer routing protocol.。Manodhi ese akaenzana zvakazara,Hapana zvivakwa zvinodiwa,Inogona kukurumidza kuvaka yakazvitsaurira yekuzvironga network pakati penharembozha,Ipa kutaurirana nekukurumidza,Gadzira yakanakisa Broadband performance,Tsigira mamwe encoding yevhidhiyo、Chaiyo-nguva kutapurirana kwemultimedia ruzivo senge audio coding。Sistimu tekinoroji ine yakasimba anti-kupindira kugona、High spectral kunyatsoshanda、Hurefu hwekutapurirana chinhambwe、Anti-kupera kugona、Zvakanakira sekunge kwakasimba diffraction kugona。Inogona kuva yakaoma、Nguva chaiyo mune isiri-mutsara-wekuona nharaunda、Yepamusoro-soro isina waya mbiri-nzira yekufambisa data basa。
Kutarisana nemadrones munzvimbo dzakaoma、robhoti、Igwa risina munhu、Emergency Individual、Pa-bhodhi papuratifomu ruzivo rwekufambisa mashoko,Isu tinotevera generalization、Modular、Misimboti yekugadzira yakarongeka,Ziva kuyera kuremerwa kwezviteshi zvisina kurongwa panzvimbo dzakasiyana dzemvura nenzvimbo dzekudzora pasi、remote control、High-speed real-time transmission yepayload data uye ruzivo rwekubatana uye kushanda kwekubatana pakati pezviteshi zvisina kurongwa,System inoenderera kwenguva yakareba、kugadzikana、Basa rakavimbika。
piri,Unyanzvi hunoita
*Hapana chikonzero chekumisikidza yepakati chiteshi uye yakaoma sisitimu yekumisikidza, otomatiki networking mushure mekutanga-saiti,"Second level" kutanga kutaurirana ;
* Arbitrary topology、Multi-hop relay、Relay mberi ;
* Hunhu hunonzwisisika hwenode yega yega hunogona kugadziridzwa zviri nyore;
* Parizvino, iyo yakafanana frequency network inogona kutsigira kubatanidzwa kwe32 node ;
* Iyo chiteshi inoshandisa AES encryption;
* System data bandwidth peak ndeye 90Mbps;
tatu,Hardware tsananguro
1) Kutora tekinoroji yezvivakwa zvehungwaru,Private network,Kushandisa private communication transmission protocol,Yakasarudzika kodhi yekubatanidza。
★AES 128-bit encryption tekinoroji:Mushure mekunge iyo data data yakavharidzirwa neAES,Ita kuti zvisaite kuwana ruzivo usati wavharirwa;
★OFDM pilot frequency uye data location scrabling code encryption:Huwandu hweOFDM subcarriers inochengetwa yakavanzika、Nhamba yevatyairi vendege yakachengetwa yakavanzika、Pilot chinzvimbo zvakavanzika,Ita kuti zvisaite kuti uwane ruzivo rwemutyairi wekufungidzira kwechiteshi uye frequency domain yakaenzana;Iyo pilot frequency uye data chinzvimbo chekuchinja nzira inotora encryption nzira,Vashandisi vasiri pamutemo havagone kusiyanisa mutyairi uye data nemazvo。
★LDPC kodhi izwi chimiro encryption:LDPC codeword chimiro chinosanganisira kureba kwekodhi、Ruzivo rudiki uye parity bit;Kuchinja kwechinzvimbo kwebhiti reruzivo uye cheki bhiti rakavharirwa,Vashandisi vasiri pamutemo havagone kusiyanisa chidimbu cheruzivo kubva pacheki nemazvo。
2) Kushandisa akawanda encryption nzira,Modular dhizaini;
3) Wireless Mesh Network";Hapana nzvimbo、distributed,Manodhi ese akaenzana,Inogona kushandiswa kuvhara isiri-mutsara-ye-kuona (NLOS)、Pasi pemamiriro ezvinhu akaoma akadai sekufamba-famba,Kuzvironga network,Ziva TDD transceiver nzira mbiri kutaurirana;
4) Tsigira pfungwa-kune-nzvimbo、Chain、Star、Chero network topology senge mesh uye hybrid,Inogona kuona akawanda-chiteshi IP-yakavakirwa yakajeka izwi、Broadband data、Yechokwadi-nguva yekudyidzana yemultimedia ruzivo senge yakakwira-tsanangudzo vhidhiyo;
5) Co-frequency sensing network (mukukwana)、Multi-hop relay,Imwe neimwe node inogona kufamba zvisina tsarukano uye nekukurumidza,Kana iyo system topology ichichinja nekukurumidza, nzira yacho inogona kuvakwazve zvine simba zvinoenderana;
6) Easy kuendesa、Flexible kushandisa、nyore kushandisa、Zviri nyore kuchengetedza,Uye iyo yese-IP dhizaini (inotsigira akasiyana-siyana data transparent transparent) iri nyore kuona kupindirana uye kupindirana kweheterogeneous system.,Kunyanya akakodzera Wireless coverage transmission、Wireless vhidhiyo kuongorora;
Four、 Equipment technical parameters
1) Technical zvakanakira
- Hurefu hwekutapurirana chinhambwe:Gamuchira LDPC chiteshi kodhi、Space-time coding、Transceiver kusiyana uye mamwe matekinoroji,kubata
Kugamuchira kunzwa kunogona kusvika -98dBm,Module 1W kutapurirana simba (5W/10W/20W/50W simba uye chimiro zvinogona customized),Ground-to-air/air-to-air line-of-sight communication inogona kusvika 14km (100 metres pakureba musiyano pakati pekutumira nekugamuchira),Ground-to-ground line-of-sight communication inogona kusvika 1.2 km (zvese zviri zviviri zvekutumira nekugamuchira kureba ma 2 metres),Iyo zvakare ine zvirinani anti-multipath kupindira uye yakasimba diffraction kugona pasi peasiri-mutsara-wekuona mamiriro ezvakatipoteredza.;
- High kutapurirana mwero:Gamuchira BPSK/QPSK/16QAM/64QAM inogadzirisa modulation、Kugamuchira zvibodzwa
Ensemble tekinoroji,Peak rate inosvika 90Mbps,Inokodzera kuwanda-hop kutapurirana kwehukuru bhizinesi vhoriyamu;
- Network yakakura:Dynamic allocation ye channel resources,Iyo chaiyo bvunzo inogona kutsigira 32 node dzetiweki;
- More relay hops:Iyo yakayerwa yevhidhiyo relay hop count inogona kusvika 8 hops,Wedzera kuvharika kwetiweki,kuwedzera
Kushanda kweakasimba network application;
2)Zvinhu
- Software Architecture:Centerless yakavakirwa paIP system、Distributed Wireless Ad Hoc Network;
- Kupindira kweAnti-multipath:TDD-COFDM multi-carrier modulation ine yakasimba anti-multipath kupindira;
- Diffraction kugona:Iine diffraction yakasimba uye simba rinopinda;
- Dynamic routing:Layer 2 Intelligent Routing Protocol;
- flexibility:Strong scalability,Node dzinogona kujoinha zvine simba uye kubuda;
- Mobility:Iyo yakanyanya kumhanyisa kumhanya kweiyo yakaedzwa node ndeye ≥200 km / h;
- Kuzvirapa:Kukuvadzwa kwega kwega kwega kwega hakuzokanganisa kushanda kwakajairwa kwetiweki,Ane simba rakasimba rekuramba kuparadzwa;
- Operating mode:Star network、Mesh network、Chain net、peer to peer,Point-to-multipoint,Multipoint kune multipoint;
- IP transparent transmission:Tsigira network port ~ network port、Network port~Serial port、IP transparent kutapurirana kubva serial port kuenda kune serial port;
- Kuwedzera kweInternet:Zvinobudirira wedzera kuvharwa kweInternet,Chero terminal mune network inogona kushandiswa segedhi,Imwe neimwe node yead hoc network inogona kuwana iyo Internet kuburikidza negedhi node;
- Spectrum sweep:Ne spectrum scanning function,Ona ikozvino spectrum kushandiswa,Inoratidza kupindira;
- Configuration management:Zviteshi zvinowanika paredhiyo、bandwidth、simba、rate、IP,Makiyi uye mamwe ma parameter kuti agadzirwe;
- Status Display:Dynamically ratidza network topology、Link quality、Simba rechiratidzo、Noise yezvakatipoteredza, nezvimwewo.;
5.1 Drone、Robot module
- Kukurukurirana kakawanda:1415~1465MHz,1MHz nhanho inogadziriswa;
- Tumira simba:2*30dBm (2*1W),1dBm nhanho inogadziriswa;
- Bandwidth mode:5 / 10 / 20 /40MHz;
- Kusiyanisa:Multi-carrier TDD-COFDM;
- Carrier modulation:BPSK/QPSK/16QAM/64QAM (inochinja kana yakagadziriswa);
- Kugamuchira kunzwa:-98dBm @ 10MHz;
- Kukurukurirana kure:30km (pasi-kumhepo/mhepo-kumhepo-mutsetse-wekuona),10km (pasi-pasi-mutsetse wekuona);
- Kukurukurirana mwero:Peak 90Mbps (inogadzirisa);
- Kutapurirana kunonoka:Kusvetuka kumwechete kunosvika 2ms;
- Multi-hop kugona:Vhidhiyo inosvika ku8 kusvetuka;
- Nguva Yokutanga:≤25S;
- Nguva yekuwana:Isingasviki 1 sekondi;
- Routing switch:Isingasviki 1 sekondi;
- Data interface:Network port x 2,RS232 x 2;
- Battery powered:12V / 1;
- Muchina wese simba rekushandisa:6~12W,Standby 6W,Gamuchira 8W,Tumira 12W pamutoro wakakwana;
- Dziviriro level:IP65;
- Kushanda tembiricha:-40~ + 70 ℃;
- saizi:refu:73mm* upamhi 47mm* kureba 10mm;
- uremu:60d