DMR ni iki
Radiyo igendanwa ya Digital (DMR) ni amahame mpuzamahanga kumaradiyo abiri yohereza amajwi namakuru mumirongo itari radio. Ikigo cy’uburayi gishinzwe itumanaho (ETSI) cyashyizeho ibipimo ngenderwaho mu 2005 kugira ngo bikemure amasoko y’ubucuruzi. Ibipimo byavuguruwe inshuro nyinshi kuva byashingwa.
Sisitemu ya Ad-hoc Niki?
Umuyoboro udasanzwe ni umuyoboro wigihe gito, udafite umugozi wemerera ibikoresho guhuza no gutumanaho nta router nkuru cyangwa seriveri nkuru. Bizwi kandi nkumuyoboro udasanzwe wa mobile (MANET), numuyoboro wigenga wibikoresho bigendanwa bishobora kuvugana nta gushingira kubikorwa remezo byahozeho cyangwa ubuyobozi bukomatanyije. Umuyoboro wakozwe muburyo bwibikoresho biza murwego rwundi, bibemerera guhanahana amakuru murungano.
DMR irazwi cyane amaradiyo agendanwa kubitumanaho bibiri byamajwi. Imbonerahamwe ikurikira, Kubijyanye nuburyo bwo guhuza imiyoboro, twakoze igereranya hagati ya IWAVE Ad-hoc sisitemu na DMR.
| IWAVE Sisitemu Ad-hoc | DMR | |
| Ihuza | Ntibikenewe | Birasabwa |
| Tangira umuhamagaro | Byihuse nkibisanzwe bigenda | Ihamagarwa ritangizwa numuyoboro ugenzura |
| Ubushobozi bwo kurwanya ibyangiritse | Mukomere 1. Sisitemu ntabwo ishingiye kumurongo uwo ariwo wose cyangwa ibikorwa remezo bihamye. 2. Guhuza buri gikoresho ntigisanzwe. 3. Buri gikoresho gikoreshwa na bateri yubatswe. Noneho, sisitemu yose ifite ubushobozi bukomeye bwo kurwanya ibyangiritse | Intege nke 1. Ibyuma biragoye 2. Imikorere ya sisitemu ishingiye kumahuza. 3. Ibikorwa remezo bimaze gusenywa n’ibiza. Sisitemu ntizikora bisanzwe. rero, ubushobozi bwayo bwo kurwanya ibyangiritse birakomeye. |
| Hindura | 1. Ntabwo ukeneye insinga 2. Yemera umuyaga utagira umuyaga | Guhindura birakenewe |
| Igipfukisho | Kuberako sitasiyo fatizo ikoresha tekinoroji yindorerwamo, rf ni umusaraba. Kubwibyo, sisitemu ifite uburyo bwiza bwo gukwirakwiza ahantu hatabona | Ahantu henshi hatabona |
| Umuyoboro udasanzwe | Yego | Yego |
| Ubushobozi bwo kwaguka | Kwagura ubushobozi nta mbibi | Kwaguka kugarukira: Kugarukira kuri frequency cyangwa izindi mpamvu |
| Ibyuma | Imiterere yoroshye, uburemere bworoshye nubunini buto | Imiterere igoye nubunini bunini |
| Yumva | -126dBm | DMR: -120dbm |
| Ububiko bushyushye | Sitasiyo nyinshi zifatizo zirashobora gukoreshwa muburyo bwo gusubiranamo | Ntabwo ushyigikiye gukora byimazeyo |
| Kohereza vuba | Yego | No |
Igihe cyo kohereza: Kanama-13-2024
