??? ????? ?????? ????? ??????? ??? ???? ????? ??????? ??????? (GPRS) ????????? ?? ????? ??????? ??????

??? ????? ?????? ????? ??????? ??? ???? ????? ??????? ??????? (GPRS) ????????? ?? ????? ??????? ??????

?? ????? ??????? ?????? ????? ??? ???????? ???????? ????????. ???? ???? ??????? ????? ???? ??????? ????? ??? ??? ??????? ??????? ????????? ??????. ??? ????? ?????? ??????? ??? ????? ?????? ???????? ????? ??????? ????? ????? ???????. ?????? ????????? ??? ??????? ???? ???? ???? ????? ??????? ????? ???????? ?????? ?????? ??????? ???????. ?????? ??????? ????? ??? ?????? ??? ???????? ???????? ??????? ?????? ??? ??? ??????? ?????? ??????. ????? ???????? ????????? ????? ????? ????? ??????? ?????? ??????? ??????.

?????? ???? ??????? ?????? ??? ?????? ??????? ??????? ??? ???? ??????? ???????? ????? ?????? ???????? ???????? ?????? ??????? ??? ????????? ????? ??????? ???????? ??????? ?????? ???????? ??????? ??? ???? ???????? ?? ????? ??????. ????? ??? ??????? ??? ???? ???? RJ45? ?GPRS? ?4G? ??????. ?? ??? ???????? ??????? ???? ????? ????? GPRS ?????? ??????.

1. ????? ????? ?? ????? ??????? GPRS

GPRS ?? ?????? ????? ??????? ?????? ????? (General Packet Radio System). ??? ????? ??? ??? ??????? ?????? ???????? ?????? ????? ???? 2.5G. ????? GPRS ??? ???? ??????? ???? ?????? ???????? ????? ??????? ????????? ?????? ??????? ????????? ?????? ????? ???????? ????? ???? TDMA ????????? ?? GSM. ????? ??? ????? ???? GPRS ??? ???? ???? GSM? ?? ???? ????? ???? ?????? ???? GSM ?? ???????? ?? ???? ????? ??????? ???. ?? GPRS? ??? ????? ??? ????? ???????? ???????? ???? ????? ?????? ?????? ?????? ????????? ???? ??? ????. ???????? ??? ???? ?????? ???? GPRS ????? ??? ???? ???????? ??????? ?? ???? ?????? ???? ??? ??? ???????? ??? ????? ????? ?????? ??? ??????.

2. ???? ????? ???????

????? ???? GPRS ?????? ??????? ??????? ??????? ??? ???? GSM ??????? ??? ??????? ???????: ???? ??? ???? GPRS (SGSN) ????? ??? ??????? (GGSN). ??? ?? ?? SGSN ?MSC ??? ??? ???????? ???????? ???? ??????? ?????? ????? MS ???? ?????? ????? ?????? ??????? ?? ??????? ??????? ????? ?????? ???????? ??? ????? ????? ????????. ???? GGSN ??????? ??????? ?? ??????? ???????? ??? ??????? ??????? ????? ?? SGSN ??? ???? GPRS ???????? ??????? ??? ???????? ???????? (IP).

?????? ???? GPRS ???????? ?? ???? ??????? ?????? ??? ???????? ????? ?????? ???? GPRS ????????? ??? ???? GSM ????????. ??? ????? ?????? ?????? ?????? SGSN? ?????? SGSN ?? ???? ??? ??????? GGSN ??? ???? GPRS ????????. ???? GGSN ??????? ?????? ?????? ????? ????? ?? ?????? ??? ?????? ?????????? ??? ???????? ?? ???? X.25.

??? ?? ????? ?????? ?????? ??? ???? GPRS ????? ????? ????? ???????? ??? SGSN ?????? ???? ?????? ?????? GPRS? ?? ??? ??????? ??? ???? GPRS ??? BSS.

3. ????? ??????? ??? ???? GPRS

1. ????? ?????

??? ?????? ?? ????? ????? ??????? ????????? ??? ?? ???? GPRS ???? ???? ????? ??????. ????? ?????? ?????? ?? ????? ??????/?????? ??? ??????? ??? ???? ??????? ??????? ????? ??????? ??????.

2. ???? ??? ?????? ????

???? ??? ??? ???????? ??? ???? ????? ???? ????? 10 ?????? ?? ???????. ??? ???? ??? ???????? ?????? ????? GPRS ????? ?????? ????? 40 ?????? ?? ???????.

3. ????? ??????? ??????

????? ??????? ????? ?????? ???? ????????? ???? ?? ???? ???????? ????? ??????? ??????? ????? ???????? ??? ??????? ???????? GPRS? ?? ????? ??? ??? ??? ?????? ????? ????? ???? ????????? ????? ??????? ??????? ?????? ????????? ???? ??????? 2G? ???? ???? ?????? 30 ?????? ?????? ???.

4. ???? ???????? IP ????????? X.25

???? ???? GPRS ???????? IP ?????? ????????? ????????? X.25 ??? ????????? ????? ??????? ??????? ????? GSM? ???? ????? GPRS ????? ?????? ???????? ??????? ??? ???????? ?????? ????? ??????.

???? ?? ?? ????? ???? ?????? ????? ?? ?? ???? ????? ???? ??????? ????. ???? ?????? ???? ????? ????? ????? ????????? ?? ???? ??????? ?????? ???????? ???????. ???? ??? ???? ????? ???? ??????????? ??????????? ???????? ???? ??????.

?? ?????? ?? ????? ?????? ???????? ????? ??? ?????? ?? ???????? ???????? ??????? ????????? ???????? ???????? ?????? ?????? ????? ?????. ??????? ???? ????? ???? ??????? ??????????? ???????? ??????? ???????? ??????? ???? ????? ???????? ????.

?????? ???? ????? ???? ??????????? ??????????? ???????? ??? ????? ???? ????? ??????? ?? ????????? ????? ??????? ?? ?????? ??????? ???? ????.

???? ?? ?????? OEM ??? ???? ??????? ????????? ?????? ?????? ??????.

?? ??????? ????? ???? ??? ?????? ???????? ????????? ??? ??? ??????? ?????? ???? ?????.