Public Network Walkie-Talkie Performance Analysis: Ọganihu Ugboro abụọ na arụmọrụ na ntụkwasị obi njikọ

Push{0} ka -Talk over Cellular (PoC), ụdị nkwalite nke Walkie ọdịnala - okwu, na-eji netwọk nkwurịta okwu mkpanaaka mee ka ngwa ngwa, gafee{3} nkwurịta okwu mpaghara, na-egosipụta uru pụrụ iche na ngwa ngwa, nchekwa, nzaghachi mberede, na mpaghara ndị ọzọ. Ọbụghị naanị na arụmọrụ ya na-ekpebi ahụmịhe onye ọrụ kamakwa ọ na-emetụta ntụkwasị obi nkwukọrịta ozugbo na ọnọdụ dị oke egwu. Ihe ndị a na-enyocha njirimara arụmọrụ nke netwọk ọha na eze Walkie{6}} okwu site n'ọtụtụ echiche.

I. Mkpuchi Nkwukọrịta: Njikọ "enweghị oke" na-emebi oke anya

Walkie ọdịnala{0}} na-adabere na ugboro redio, yana usoro nzikọrịta ozi dị irè na-ejedebe na ole na ole ruo iri puku kilomita (dabere na ike na ọnọdụ gburugburu ebe obibi). Walkie netwọk ọha -, agbanyeghị, jikọọ na netwọk ndị na-ebu ibu site na 4G/5G ma ọ bụ Wi-Fi, na-eme ka nkwurịta okwu enweghị nkebi na mba na ọbụna n'ụwa niile. Dịka ọmụmaatụ, n'ime obodo mepere emepe nwere ọdụ ọdụ ụgbọ ala, ike mgbaama zuru ezu iji kwado oku kwụsiri ike n'ebe a na-adọba ụgbọala n'okpuru ala na n'ime ụlọ ndị dị elu-. N'ebe ndị dịpụrụ adịpụ, ọ bụrụhaala na enwere mkpuchi netwọkụ (dị ka mgbama 4G), mkparịta ụka netwọk ọha{10} nwere ike ijikwa njikọ. Ụfọdụ ụdị ngwụcha- dị elu na-akwadokwa ihe abụọ{13}}SIM dual standby ma ọ bụ ngbanwe netwọkụ akpaka. Mgbe akara netwọk nke mbụ na-ada mbà, usoro ahụ na-agbanye ngwa ngwa na netwọk ndabere, na-ebelata ohere nke nkwụsị nkwurịta okwu.

II. Ọsọ nzaghachi: "Enweghị ohere efu" kacha mma site na igodo igodo gaa na olu

Isi uru nke okwu ndị na-ekwu okwu na-adị na "ozi ngwa ngwa." Akwụsịghị nke netwọk ọha na eze Walkie{2} okwu na-emetụta ahụmịhe onye ọrụ ozugbo. Ngwa ngwa dabere na netwọkụ 2G/3G na-enwetakarị igbu oge 1{11}} 3 n'ihi ezughị oke bandwidth netwọk. Agbanyeghị, chipsets 4G LTE Cat.1/Cat.4 dị ugbu a, jikọtara ya na ụkpụrụ VoIP kachasị mma, belatara njedebe{12}} ruo{14}} ngwụcha ngwụcha ruo 0.5{16}}1.2 sekọnd, na-erute ahụmịhe “press na go” nke ọdịnala analog walkie{18}}talkies{{15} latency (latency theoretical latency n'okpuru 100 milliseconds) iji gboo mkpa nke ọnọdụ ọnọdụ dị elu dị ka njikwa ime ụlọ ọrụ mmepụta ihe. Okwesiri iburu n'uche na nchikota netwọk na-emetụtakwa nkwụsị n'ezie. N'ebe ndị mmadụ juru (dị ka egwu egwu), ọ bụrụ na ebufere ọdụ ọdụ ụgbọ ala, nkwụsịtụ nwere ike ịbawanye nwa oge. Agbanyeghị, ọtụtụ ngwaọrụ na-ahụ na nnyefe data olu dị mma site na QoS (Ọdịmma Ọrụ) nhazi nhazi mkpa.

III. Ogo olu na doo anya: Nhazi nke nnabata nnyonye anya na teknụzụ ntinye

Ogo ọdịyo nke netwọọdụ ọha walkie{{0}okwu okwu bụ ma gburugburu netwọkụ yana koodu ntinye algọridim nwere oke. Mkparịta ụka analog ọdịnala{2}}, n'agbanyeghị na enweghị mgbagha mkpakọ, na-enwe ike itinye aka na nnyonye anya elektrọn, na-ebute mkpọtụ. Walkie netwọk ọha - okwu na-eji nzuzo dijitalụ (dị ka AMR{5}}WB wideband Voice na Opus adaptive coding) iji dozie nghọta na nnyonye anya jụrụ n'ime oke bandwidth. Ngwa ndị isi na-akwado ọnụego nlele 8kHz na 16kHz . 16kHz wideband codeing nwere ike imepụtaghachi nkọwa ugboro ugboro (dị ka ụda olu sibilant na ụda ndabere ambient), na-eme ka ọ dabara maka ọnọdụ ọnọdụ chọrọ nnyefe ozi ziri ezi (dị ka nkwenye iwu nchekwa). Ọzọkwa, nsonye nke mkpọtụ{12}}ịkagbu igwe okwu na echo cancellation algọridim na-ekpochapụ nke ọma nnyonye anya dị ka mkpọtụ ikuku na mkpọtụ eletriki akụrụngwa, na-ahụ na ndị abụọ ahụ nwere ike ịnụ ozi ndị bụ isi nke ọma ọbụlagodi n'ebe a na-ewu mkpọtụ ma ọ bụ gburugburu ụgbọ ala.

IV. Ndụ batrị na ntụkwasị obi: Ihe ngosi dị mkpa maka ọrụ ogologo oge-

Ndụ batrị nke netwọk ọha na eze Walkie{0}okwu na-emetụta ikike ha ịrụ ọrụ na-aga n'ihu. Ngwa ndị na-azụ ahịa{2}ọkwa na-enwekarị ikike batrị nke 2000{{5}3000mAh, na-enye awa 8{9}}12 na-aga n'ihu na ụgwọ zuru oke (maka iji obere ma ọ bụ obere-obere ike). Ụdị ndị ọkachamara na-eji batrị buru ibu (4000{13}}6000mAh) ma ọ bụ atụmatụ nwere ike dochie ya. Njikwa ike ọgụgụ isi (dị ka ọnọdụ ihi ụra na obere{15}}ịkụgharị batrị) na-agbatị oge ọrụ, yana ụdị ụfọdụ na-akwado ihe karịrị awa 15 iji were dị arọ. N'ihe gbasara ntụkwasị obi, ụlọ ọrụ mmepụta ihe{18}} ọkwa ọha netwọk intercom na-ejikarị rọba ma ọ bụ ígwè arụ ọrụ ike dị elu, na-enweta IP67 (ụzuzu uzuzu na enweghị mmiri, dabara maka imikpu obere oge) ma ọ bụ IP68 (nguzogide submersion miri emi). A na-anwalekwa ha (n'elu mita 1.5) ma nwalee maka okpomọkụ dị elu na nke dị ala (-20 degrees na 60 degrees ), na-eme ka ọrụ kwụsiri ike na gburugburu ebe dị egwu (dị ka ọrụ nnapụta mmiri ozuzo na ihe owuwu n'èzí).

V. Ọrụ agbatịkwuru: Site na ọkpụkpọ oku na-aga n'ihu ruo na imekọ ihe ọnụ ọgụgụ isi

Intercoms netwọk ọha nke oge a agabigala nzikọrịta ozi olu dị mfe, na-ejikọta ọtụtụ atụmatụ bara uru iji kwalite arụmọrụ ọrụ. Dịka ọmụmaatụ, modul ọnọdụ GPS/Beidou nwere ike bulite ọnọdụ ngwaọrụ na nyiwe njikwa ozugbo, na-eme ka ụlọ ọrụ izipu nwee ike nyochaa ntinye ndị otu. Mgbasa mgbasa ozi na-akwado izipu onyonyo na obere vidiyo, na-eme ka ha dị mma maka mkpokọta ihe akaebe saịtị ma ọ bụ nye nzaghachi ọkwa ngwaọrụ. Ụfọdụ ngwaọrụ dakọtara na njikọta Bluetooth (maka ekweisi na igwe igwe ejiri aka), nyocha NFC (maka njikwa ikike), na ọbụna olu AI -na-ederede, na-atụgharị iwu olu na-akpaghị aka ka ọ bụrụ ndekọ ederede maka mfe traceability. Atụmatụ ndị a agbatịkwuru na-enyere ha aka ọ bụghị nanị izute mkpa intercom ndị bụ isi kamakwa ịbanye na usoro njikwa dijitalụ, na-aghọ ngwá ọrụ bụ isi maka ọgụgụ isi ụlọ ọrụ.

Nchịkọta: Uru arụmọrụ nke Walkie netwọk ọha na eze - okwu gbadoro ụkwụ n'ụkpụrụ anọ: mkpuchi sara mbara, nkwụsị dị ala, ogo ọdịyo siri ike, yana ntụkwasị obi dị elu. N'ịkọkọta na uru nke akụrụngwa netwọkụ mkpanaka, ha na-eleba anya n'ihe mgbu nke okwu Walkie ọdịnala{2}, dị ka oke oke yana oke ọrụ. Site na nnabata nke netwọkụ 5G zuru ebe niile yana mgbanwe nke teknụzụ mgbawa, netwọọdụ ọha na eze Walkie - okwu ga-aga n'ihu na-aga n'ihu na-aga n'ihu ruo obere oge, nghọta dị elu, yana mmekorita nwere ọgụgụ isi karịa, na-enye nkwado teknụzụ siri ike maka mkpa nzikọrịta ozi ngwa ngwa nke ụlọ ọrụ dị iche iche.