ʻO ka ʻokoʻa ma waena o gsm a me cdma

Hoʻolauna

I ke ao nei No ka ʻenehana kelepona paʻalima, ʻike mākou i ʻelua ʻenehana kumu: GSM a me CDMA. ʻO nā ʻenehana kamaʻilio kelepona ʻelua i hoʻohana ʻia e nā miliona o ka poʻe a puni ka honua. Ma kēia ʻatikala e wehewehe mākou i nā ʻokoʻa nui ma waena o kēia mau ʻenehana ʻelua.

GSM

ʻO GSM (Global System for Mobile Communications) he ʻenehana kelepona paʻalima e hoʻohana ana i kahi ʻōnaehana kamaʻilio kikohoʻe. Hoʻokumu ʻia kēia ʻenehana i ka hoʻohana ʻana i nā SIM (kāleka SIM), ʻo ia nā kāleka liʻiliʻi i hoʻokomo ʻia i loko o ke kelepona e ʻae ai i ka hoʻopili ʻana i kahi pūnaewele kelepona paʻa.

Nā pōmaikaʻi o GSM

• Hoʻohana nui ʻia ʻo GSM a puni ka honua, no laila ua maʻalahi ka loaʻa ʻana o kahi mea hana a me kahi pūnaewele e kākoʻo ana i kēia ʻenehana.
• ʻAe ʻia ka hoʻohana ʻana i nā kelepona paʻalima ma nā wahi a pau o ka honua (roaming).
• Hāʻawi ka ʻenehana GSM i nā ʻano ʻikepili a me nā lawelawe multimedia.

Nā hemahema o GSM

• ʻAʻole palekana ʻo GSM e like me CDMA me ka hoʻohana ʻana i ka hoʻopunipuni nāwaliwali.
• Hiki ke hoʻopili ʻia ka maikaʻi o ka hōʻailona ma nā wahi kiʻekiʻe o ka lehulehu.

CDMA

ʻO CDMA (Code Division Multiple Access) kekahi ʻenehana kelepona paʻalima e hoʻohana ana i kahi ʻōnaehana kamaʻilio kikohoʻe. He ʻenehana ʻoi aʻe ia ma mua o GSM, ʻoiai ʻaʻole ia e like me ka mea maʻamau a puni ka honua.

Nā pōmaikaʻi o CDMA

• Ua manaʻo ʻia ʻo CDMA ʻoi aku ka palekana ma mua o ka GSM ma muli o kāna hoʻopunipuni ikaika.
• Hāʻawi ka ʻenehana CDMA i ka maikaʻi o ka leo a me ka hōʻailona ma nā wahi kiʻekiʻe o ka lehulehu.

Nā hemahema o CDMA

• ʻAʻole hoʻohana ʻia ʻo CDMA a puni ka honua e like me ka GSM.
• ʻAʻole ʻae ʻo CDMA i ka hoʻohana ʻana i nā kelepona paʻalima ma nā wahi āpau o ka honua (roaming).
• ʻAʻole like ka ʻenehana CDMA i nā ʻano ʻikepili a me nā lawelawe multimedia a GSM e hāʻawi nei.

Hopena

I ka pōkole, ʻo GSM ka ʻenehana maʻamau i hoʻohana ʻia no ke kelepona kelepona a puni ka honua. He mea maʻalahi ka loaʻa ʻana o nā polokalamu GSM kūpono a me nā pūnaewele. ʻO CDMA, ma ka ʻaoʻao ʻē aʻe, ʻoi aku ka holomua a hāʻawi i ka maikaʻi hōʻailona maikaʻi aʻe, akā ʻaʻole ia e like me ka mea maʻamau a puni ka honua. ʻO ka hope loa, e hilinaʻi ka koho ma waena o GSM a me CDMA i nā pono o ka mea hoʻohana a me ka loaʻa ʻana o ka pūnaewele a me ka lako.