RFID System ni a bungli galaw ai lam hpe madun ai lam ni gaw hpa rai ta?

RFID System ni a bungli galaw ai lam hpe madun ai lam ni gaw hpa rai ta?

 

RFID System ni a bungli galaw ai lam hpe madun ai

 

Laika hti mai ai hte ka mai ai RFID masa a bungli galaw ai lam hpe madun ai masat kumla ni hta, radio frequency tag a shinggyin la lu ai atsam, bungli galaw ai ladat, shiga shapoi ai lawan ai, hti/ka ai tsan ai shara, multi-tag hpe chye ginhka lu ai atsam, radio frequency tag hte antenna lapran na radio frequency htaw ai n-gun, RFID masa hte matut mahkai ai lam, data suppy ni lawm ai. Kam mai ai shang wa ai lam hpe hkang zing ai hte arung arai-hkan tam ai hparan ladat ni hpe tam nga ai hpaga hpung ni a matu,RFID key fob jaw ai niHteRFID keychain galaw ai niindustrial-grade ra kadawn ai lam ni hpe hkan sa ai ngang grin ai, tsaw ai-magam bungli galaw lu ai tag ni hpe jaw u.

 

 

Radio Frequency Tag ni hpe shinggyin tawn da lu ai atsam

 

Memory hpe madung tawn ai system ni a matu madung tara langai nga ai: shinggyin la lu ai atsam gaw galoi mung n hkum tsup ai. System hpe shinggyin la lu ai atsam hpe jat ai gaw shingra tara hku nna application field hpe jat wa shangun ai, dai hta mung shinggyin la lu ai atsam grau law hkra ra ai. Laika hti ai- sha re ai radio frequency tag ni a shinggyin la lu ai atsam gaw 20B rai nna, active tag ni hta shinggyin la lu ai atsam gaw 8B kaw nna 64KB du hkra rai nga ai, lachyum gaw hti mai ai hte ka mai ai radio frequency tag ni hta, laika man law law hpe shinggyin la lu na matu ram sai, system list ni hpe hkam la lu na matu hte test data ni hpe hkam la lu na matu ram sai. Passive hti/ka ai radio frequency tag ni a shinggyin la lu ai atsam gaw 48 kaw nna 736B du hkra rai nna, active hti/ka ai system law law hta n nga ai atsam marai law law hpe hkam la lu ai. Rung nta ni hte mawdaw daru ni zawn re ai hpaga lam hta jai lang ai lam ni hta,LF/HF RFID key fob hpe dut shabra ai nibungli galaw masha ID, aten sa du ai lam, mawdaw shang ai lam hte seng ai jahpan ni a matu ra ai atsam nga ai manu jahpu-htuk manu ai lata la ai lam ni hpe jaw ya ai.

 

Radio frequency tag ni a data n-gun gaw byte loi mi kaw nna byte hkying hkum law law du hkra rai chye ai, raitim, laksan langai mi nga ai: 1-bit radio frequency tag, dai gaw 1 bit sha data hpe shinggyin tawn da ra ai. Ndai zawn re ai tag gaw laika hti ai wa hpe lawu na masa lahkawng hpe dawdan lu shangun ai: wan n-gun n-gun hta radio frequency tag nga ai (sh) wan n-gun n-gun hta radio frequency tag n nga ai. Ndai ra kadawn ai lam gaw asan sha yu reng ai (sh) signal shapoi ai magam bungli ni hpe lu la na matu tsep kawp ram nga ai. 1-bit radio nsen n-gun hpe lang na matu electronic chip n ra ai majaw, radio nsen n-gun hpe grai shayawm hkra galaw mai ai. Ndai lam a majaw, 1-bit radio frequency tag law law hpe, gat seng kaba ni hte gat seng ni hta, hpaga yumga lagut ni hpe ninghkap ai ladat ni a matu lang ma ai. N jaw ra ai arung arai ni hte gat seng kaba kaw nna pru wa ai shaloi, pru wa ai shara kaw jung da ai laika hti ai jak gaw, wan n-gun n-gun n-gun n-gun n-gun (electromagnetic field) hta nga ai radio frequency tag langai a masa hpe chye lu nna, dai hte maren alarm hpe shapraw lu ai. Atsawm sha gumhpraw jaw da sai arung arai ni a matu, 1-bit radio frequency tag hpe gumhpraw shaw ai shaloi shaw kau ai (sh) n galaw ai.

 

RFID system ni hta, n bung ai data ni hpe shinggyin tawn ai masa lahkawng nga ai. Shawng nnan na mabyin hta, dai tag gaw grai n law ai shiga ni hpe shinggyin la lu nna, access galaw ai electronic jak gaw, chye da ai arai hte seng nna madung shiga nkau mi hpe sha tsun dan ai. Ndai zawn re ai data hpe unique signature ngu shamying ma ai (ndai zawn re ai data lawm ai electronic tag ni gaw grai manu n hkrat ai sha, jai lang ai lam mung n law ai). Kaga langai mi hta, dai tag gaw data shiga ni hpe grau law hkra shinggyin la lu nna, laika hti ai wa gaw, ginjaw database hpe n yu ai sha, dai tag kaw na shiga ni hpe hkrak sha lu la mai ai. Ndai zawn re ai tag gaw manu grau tsaw tim, jai lang mai ai lam ni grau law ai. Ndai zawn re ai tag gaw laklai ai lata masat zawn n-gun ja ai central processing atsam n ra ai sha, bungli galaw na matu aten mung n law ai. Enterprise law law gaw ya lata ai .125kHz/13.56MHz RFID sumri fob jak rung kaw na hkrak hparan ladat ni-scale deployment a matu manu jahpu hte bungli galaw ai lam hpe rap ra hkra galaw na matu.

 

Bungli galaw ai ladat

 

Radio frequency hpe chye ginhka ai ladat ni a madung bungli galaw ai ladat ni hpe hkum tsup ai-duplex hte daw mi-duplex ladat hte aten-sequencing ladat ngu nna garan nna galaw ai. Full-duplex hte half-duplex system ni hta, radio frequency tag a mahtai hpe laika hti ai wa gaw wan n-gun (sh) wan n-gun n-gun hpe shapraw ai masa hta sa dat ai. Laika hti ai wa a signal hte shingdaw yu yang, hkap la ai antenna ntsa hta radio frequency tag a signal gaw grai n-gun kya ai majaw, hti ai wa a signal hte radio frequency tag a signal hpe garan ginhka lu na matu, htap htuk ai shapoi ai ladat ni hpe jai lang ra ai. Tatut jai lang ai lam ni hta, load modulation (sh) backscatter modulation hpaji hpe, radio nsen n-gun n-gun n-gun hpe hti ai wa hpang de n-gun n-gun hpe htawt sit na matu, n-gun n-gun hpe n-gun n-gun n-gun n-gun n-gun (grau nna passive radio n-gun n-gun n-gun (grau nna passive radio n-gun n-gun system ni a matu) data hpe n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun (reflected radio) n-gun n-gun n-gun hpe n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun (grau nna) n-gun n-gun n-gun n-gun n-gun hpe hti ai wa hpang de htawt sit na matu, madung hku nna jai lang ma ai. Ndai kam mai ai modulation ladat ni hpe 2010 ning hta grai law hkra jai lang nga ai.hpaga hpung-madang RFID key fob galaw shapraw ai ni-traffic access hpe hkang ai makau grup yin ni hta ngang grin ai bungli galaw lu na matu.

Aten- hpe hkan sa ai ladat gaw dai hte nhtan shai ai. Laika hti ai wa gaw, aten kadun laman hta, radio frequency kaw na pru wa ai wan n-gun hpe aten kadun laman jahkring kau ya ai. Ndai lapran aten ni hpe radio frequency tag hku nna chye na nna, radio frequency tag kaw nna laika hti ai wa hpang de load hpe htawt sit na matu jai lang ai. Kaja wa nga yang, ndai gaw radar bungli galaw ai ladat langai mi rai nga ai. Time-sequencing system a n kaja ai lam gaw, laika hti ai wa gaw aten kadun laman shagun ai shaloi, radio frequency tag a n-gun jaw ai lam hpe pat kau ya ai majaw, dai hpe n-gun kaba ai karum shingtau capacitor (sh) karum shingtau battery hpe bang nna gram lajang ra ai.

 

 

Data shapoi ai lawan ai

 

Data hkap la ai system law malawng a matu, lawan ai lam gaw grai ahkyak ai lam langai rai nga ai. Daini na aten na arung arai ni hpe galaw shapraw ai aten ladaw matut nna kadun wa ai hte maren, radio frequency tag ni hpe hti nna update galaw na aten mung kadun wa nga ai. Microwave system ni gaw lawan ai hku bungli galaw lu ai raitim, Microwave hpaji masa a yak hkak ai lam ni a majaw, Microwave system ni hpe gawgap na matu manu grai law hkra jat wa ai. Data shapoi ai lawan ai lam hpe hti-sha lawan ai, passive hti/ka ai lawan ai, active hti/ka ai lawan ai ngu nna masum hku garan nna tsun ai. Bungli galaw masha ni hpe lawan ai hku jep chyoi ra ai hpaga yumga nta ni a matu,lawan ai RFID key fob law law jaw ai ni13.56MHz hparan ladat ni hpe jaw ya ai majaw, n-gun grai ja ai aten hta pyi, sub-second hpe chye na lu ai.

 

1) Laika -sha hti ai Speed

RFID hti ai-sha lang ai ladat a database shapoi ai lawan ai lam gaw, code galu ai, radio frequency tag data shapoi ai lawan ai, hti/ka ai tsan ai shara, radio frequency tag hte antenna lapran na carrier frequency, data shapoi ai modulation hpaji masa ni hta madung nga ai. Transmission rate gaw, tatut jai lang ai hta lang ai arung arai amyu myu hte maren shai hkat nga ai.

2) Passive hti/ka ai lawan ai lam

Passive hti/ka RFID system a data shapoi ai lawan ai lam hpe dawdan ai lam ni gaw, hti-sha lang ai system hte maren sha rai nga ai, dai hta n-ga, radio frequency tag kaw na data hpe hti ai hta n-ga, radio frequency tag de data hpe ka ai lam hpe mung myit yu ra ai. Application kata na product amyu myu hte maren, shapoi ai lawan ai lam mung n bung ai.

3) Active hti/ka ai lawan ai lam

Active hti/ka RFID system a data shapoi ai lawan ai lam hpe dawdan ya ai lam ni gaw passive hti/ka RFID system hte maren sha rai nga ai. Shai hkat ai lam gaw, passive system ni gaw, matut mahkai na matu, radio frequency tag ntsa kaw na capacitor hpe charge galaw ra ai. Ahkyak ai gaw, n-gun n law ai-hti/ka ai ladat langai a bungli galaw ai lawan ai lam gaw 100B/s (sh) 200B/s sha rai nga ai. Ndai hku nna, shara langai kaw byte latsa daram na hkra data ni hpe shalai ra ai majaw, data ni hpe shalai ya ai aten gaw second law law na nna, dai gaw jak ting hpe galaw na aten hta grau galu na re.

Radio frequency tag langai mi hta data hpe ka mai ai kun ngu ai gaw, radio frequency hpe chye ginhka ai ladat ni hpe garan ginhka ai kaga lam langai mi rai nga ai. Kaja ai radio frequency system ni a matu, radio frequency tag a data gaw law malawng gaw asan sha nga ai nambat langai rai nna, chip hpe galaw ai shaloi shinggyin la lu nna kadai mung n mai galai shai ai. Dai hte nhtan shai ai hku nna, ka mai ai radio frequency tag ni hpe ka na matu, laika hti ai wa (sh) laksan program galaw ai jak langai ngai ra ai.

Radio frequency tag ni a data ka ai lam hpe madung hku nna lahkawng hku garan nna, nambat n lawm ai ka ai hte nambat lawm ai ka ai. Ya aten na wanleng lam hta jai lang ai ga shadawn ni hta, gun rai htaw ai mawdaw radio frequency tag ni yawng gaw nambat hte ka ai bungli galaw ai ladat hpe hkap la ma ai.

 

Laika hti/ka tsan ai shara

 

Ya nga ai hti/ka ai ladat ni a hti/ka ai shara gaw 2.54 kaw nna 73.66 cm lapran rai nna, 13.56 MHz frequency lang ai hti/ka ai ladat ni a hti/ka ai tsan ai shara gaw 243.84 cm du hkra rai lu ai. Madung hku nna, RFID application ni hta, htap htuk ai antenna hpe lata ai gaw, tsan tsan de -hti hti ka ra ai lam ni hpe hkap la lu ai.

Radio frequency tag ni hpe hti/ka ai tsan ai shara gaw grai shai hkat ai. Tag amyu shagu a matu, ra ai tsan ai shara kaba wa yang, tag manu grau hpu wa na re. Millimeter loi mi tsan ai RFID hpe laika man ticket hte certificate ni hta bang da nna, grai-lawan ai hku garan ginhka nna, tengman ai lam hpe jep joi ai lam galaw mai ai; rai tim, logistics industry a matu gaw, 3 m (sh) dai hta jan ai tsan ai shara hpe ra ai, dai hte rau, tag law law hpe lawan ai hku chye ginhka lu ai atsam mung ra ai. Kaga application ni hta pyi, metre latsa daram tsan ai shara kaw nna, chye ginhka ra ai.

 

 

Multi-Tag hpe chye ginhka lu ai atsam

 

Identification distance law wa ai majaw, tatut jai lang ai lam ni hta, shara langai hta radio frequency tag law law hpe aten langai hta sha mu lu ai majaw, tag law law hpe kalang ta hti ra ai lam hpe shawng de tawn da ai, dai gaw, n-gun rawng ai lam langai byin tai wa sai. Ya aten hta, rawt jat galu kaba wa ai radio frequency hpe chye ginhka ai ladat ni gaw, ndai multi-tag chye ginhka ai manghkang hpe ladat a ahkyak ai lam langai hku nna mu mada nga ma ai.

Radio nsen n-gun hte antenna ni hpe atsawm sha gram lajang da ai rai yang, laika hti ai wa gaw radio nsen n-gun law law hpe hti ka lu na re. Ga shadawn, laika shagun ai ladat hta, radio frequency masat kumla ni hpe envelope kata kaw bang nna, masat kumla ni lawm ai wan hku law ai laika htinggaw ni hpe shinggyin tawn da ai. Mail bag gaw tunnel antenna hku lai wa ai shaloi, radio frequency tag yawng kaw na data hpe kalang ta hti lu ai (sh) ka lu ai.

 

Radio nsen masat hte Antenna lapran na Radio nsen htaw ai nsen

 

Radio frequency hpe chye ginhka lu ai ladat a kaga ahkyak ai lam langai gaw, dai ladat a bungli galaw ai frequency hte hti ai tsan ai shara rai nga ai. Operating frequency gaw hti ai tsan ai shara hte grai ni htep ai rai nna, wan n-gun n-gun (electromagnetic waves) ni a garan pru ai atsam ni hpe yu nna dawdan ai. Madung hku nna, radio nsen hpe chye ginhka ai ladat a bungli galaw ai frequency hpe, laika hti ai wa gaw, dai tag hpe chye ginhka ai shaloi, dat dat ai radio nsen signal a frequency ngu nna lachyum shaleng da ai. Law malawng hta, laika hti ai wa a shapoi ai n-gun (load modulation, backscatter) ngu shamying ma ai. Gara hku mi rai rai, radio frequency tag a shapoi ai atsam gaw, laika hti ai wa a hta grau yawm ai.

 

RFID system hpe lata ai shaloi, grai ahkyak ai hku myit yu ra ai lam gaw, radio frequency tag hte antenna lapran na shiga ni hpe shapoi na matu lang ai carrier frequency rai nga ai. Radio nsen hpe chye ginhka ai ladat hpe hti ai ni kaw nna shagun dat ai nsen ni hpe madung hku nna nsen kaji (30 kaw nna 300 kHz), nsen kaba (3 kaw nna 30 MHz), ultra-n-gun kaba (300 MHz), hte Microwave (2.5 GHz jan) ngu ai nsen mali hku garan nna tsun ai. Hkrun lam galaw ai shara hte maren, radio nsen hpe chye ginhka ai ladat a bungli galaw ai nsen hpe grai dam lada ai shara hta lata la ai, inductive coupling (0 kaw nna 1 m) hte galu-tsan ai shara (1 kaw nna 10 m) ni hpe lang ai.

 

RFID System ni hpe matut mahkai ai lam

 

Hpaji masa a branch langai hku nna, RFID gaw, nga taw sai hte rawt jat wa nga ai automation hpaji masa ni hpe hpaw shalawm lu ra ai. Ahkyak ai gaw, RFID system hpe tinang lang ai computer (Personal Computer, PC), program galaw mai ai logic control (Programmable Logic Controller, PLC) shing nrai, hpaga lam hte seng ai network interface module ni hte hkrak matut mahkai mai ai majaw, install galaw ai manu hpe shayawm lu ai.

RFID gaw radio frequency hpe lang nna, shamu shamawt mai ai shingbyi shara hte computer (sh) PLC lapran na data galai shai ai lam hpe chye na lu na matu galaw ai. Kaja wa nga yang, RFID masa hta, radio nsen n-gun (sh) data hpe shinggyin tawn ai shara, radio nsen n-gun hte matut mahkai ai antenna, antenna hte PC (sh) PLC lapran matut mahkai ai lam hpe galaw ai controller (antenna hte controller hpe hpawng de da ai shaloi, reader ngu shamying ai) ni lawm ai.

 

Data htaw sa ai wa

 

Data ni hpe shinggyin la na matu, ladat masum hpe madung lang ai: wan hte yeng seng kau mai ai program galaw mai ai hti ai-sha re ai myit dum ai lam (EEPROM), wan n-gun hte n-gun n rawng ai myit dum ai lam (FRAM), hte n-gun n rawng ai myit dum ai lam (SRAM) ni rai nga ai. Madung hku nna radio frequency hpe chye na lu ai ladat ni hta madung hku nna wan n-gun hte yeng seng kau mai ai program galaw mai ai hti ai-sha myit dum ai lam (EEPROM) hpe lang ai. Raitim, EEPROM lang ai a n kaja ai lam gaw, ka ai shaloi power jai lang ai lam grai law ai, service life gaw general hku nna 100,000 writes sha rai nga ai. Kade nna ai aten hta, galaw shapraw ai company nkau mi gaw, FRAM (FRAM) hpe mung lang wa sai. Wan hte yeng seng kau mai ai program galaw mai ai hti-sha re ai memory hte shingdaw yu yang, ferroelectric random access memory a ka ai atsam jai lang ai gaw 1/100 rai nna, ka ai aten gaw 1/1000 rai nga ai. Raitim, n kungkyang ai galaw shapraw ai lam ni a majaw, ferroelectric random access memory hpe grai n jai lang shi ai.

Microwave system ni a matu gaw, static random access memory (SRAM) hpe mung lang mai ai, dai memory gaw data ni hpe grai lawan ai hku ka ya lu ai. Data hpe prat tup n-gun jaw na matu, n-gun n-htum ai sha n-gun jaw na matu, karum shingtau battery ra ai.

 

Mungdaw masa

 

Programme galaw mai ai radio frequency tag ni a matu, data carrier a kata na logic gaw, hti ai wa a hti ka ai lam ni hpe hkang ra ai hte, hti ka na ahkang hpyi shawn ai lam hpe mung hkang ra ai. Loi dik ai hku tsun ga nga yang, mungdan a jak langai mi hte ngut kre hkra galaw lu ai. State machine hpe lang nna, yak hkak ai lam law law hpe ngut kre hkra galaw lu ai. Raitim, state machine langai a n kaja ai lam gaw, hpang jahtum na programming galaw ai bungli ni hta n-gun n rawng ai majaw, chip nnan langai hpe galaw ra ai. Ndai galai shai ai lam ni gaw chip ntsa na circuit hpe galai shai ra ai majaw, design galai shai ai lam hpe galaw sa wa na matu manu grai law ai.

Microprocessor ni hpe jai lang ai majaw ndai masa hpe grai kaja wa hkra galaw ya lu sai. Chip galaw ai shaloi, application ni hpe hparan na matu database hpe microprocessor kata de langai sha re ai mask hku nna bang da nna, ndai galai shai ai lam a matu manu n law ai. Dai hta n-ga, hkum hkrang hkrang shapraw ai lam amyu myu hpe jai lang nna, shiga ni hpe shinggyin tawn da ai radio frequency tag ni nga ai, dai hta hti ai-sha npu na nsen n-gun radio frequency tag ni hte 1-bit radio frequency tag ni lawm ai, dai ni hpe n-gun n rawng hkra galaw lu nna, n law htum bai galaw lu ai.

 

 

N-gun jaw ai lam

 

Radio nsen hpe chye ginhka lu ai ladat a ahkyak ai lam langai gaw, radio nsen masat kumla a n-gun jaw ai lam rai nga ai. Passive radio frequency tag ni hta shanhte a n-gun n nga ai, dai majaw passive radio frequency tag ni hpe galaw na matu ra ai n-gun hpe laika hti ai wa shapraw ai wan n-gun n-gun kaw na lu la ra ai. Dai hte nhtan shai ai hku nna, active radio frequency tag ni hta, Microchip bungli galaw na matu n-gun yawng (sh) daw mi hpe jaw ya ai battery ni lawm ai.