光(guang)纖直(zhi)放(fang)站,是一種信(xin)(xin)(xin)號(hao)中繼設(she)備。其主要(yao)作用是將(jiang)收到的信(xin)(xin)(xin)號(hao),經(jing)光(guang)電(dian)變(bian)換(huan)成光(guang)信(xin)(xin)(xin)號(hao),傳輸后(hou)又經(jing)電(dian)光(guang)變(bian)換(huan)回復電(dian)信(xin)(xin)(xin)號(hao)在發出(chu)。光(guang)纖直(zhi)放(fang)站具有低(di)IP3(小(xiao)于-36dBm)、低(di)噪聲系數(NF)、整機可靠等(deng)特點,使用直(zhi)放(fang)站可實現“小(xiao)容(rong)量、大(da)覆蓋”的目標,減少基(ji)站數量,延伸覆蓋范圍。
光(guang)(guang)纖直放(fang)站,是一(yi)種信(xin)號(hao)中(zhong)繼設備。其(qi)主要作(zuo)用是將收(shou)到的信(xin)號(hao),經光(guang)(guang)電(dian)(dian)變換成光(guang)(guang)信(xin)號(hao),傳輸(shu)后又(you)經電(dian)(dian)光(guang)(guang)變換回(hui)復電(dian)(dian)信(xin)號(hao)在發出。
光纖(xian)直放(fang)站(zhan)(zhan)具有(you)低(di)IP3(小(xiao)于-36dBm)、低(di)噪聲(sheng)系數(NF)、整機(ji)可靠等(deng)特點(dian),使用直放(fang)站(zhan)(zhan)可實(shi)現“小(xiao)容量、大覆蓋”的目標(biao),減(jian)少基站(zhan)(zhan)數量,延伸覆蓋范圍。