XPT ning asosiy voqealari
Takomillashtirilgan yuklama balansi
XPT turli retraslyatorlarga turli guruhlar ajratadi, bu esa bir xil retranslyatordagi
xatoliklar chiqirishni minimallashtiradi va muvaffaqiyatli qo'ng'iroq o'rnatilishi
ehtimolini oshiradi.
Large Capacity
Each XPT single-site system supports up to 8 voice repeaters and 8 data repeaters,
Each XPT single-site system supports up to 1200 radios and 245 groups for communication,
One XPT multi-sites system supports up to 16 single sites
Strong Fault-tolerant Capability
XPT system automatically detects failures and takes measures to minimize the influences,
ensuring proper repeater services in fault tolerance mode
No Control Channel
In contrast to the classic trunked radio, Hytera XPT system does not use any control
channels. All available radio channels are utilized for the communication.
Call Control
The XPT system adopts the "Request and Permit” mechanism to allocate channels. The
radio transmits or receives services only after the data handshake is successful.
This avoids call conflict and prevents interference from a radio with strong signal.
Advanced Load Balancing
The XPT system allocates different groups to different home repeaters, which minimizes
call conflicts on the same repeater and improves success rate of call setup.
XPT ning texnik xususiyatlari
| Tizimning ishlashi | |
|---|---|
| MS sig'imi (har bir tizim uchun) | 1200 private call / 245 group call |
| BS spetsifikatsiyasi | |
|---|---|
| Chastota oralig'i | UHF5：806 MHz～941 MHz; VHF1：136MHz～174MHz; VHF3：210 MHz～270 MHz; UHF1：400MHz～470MHz; UHF2：450MHz～527MHz; UHF3：350MHz～400MHz |
| Iste'mol quvvati | ≤180 W/carrier |
| O'lchamlari (B×E×U) mm | 2-carrier: 600×600×675（13U） 4-carrier: 600×600×1750（37U） 8-carrier: 600×600×1750（37U） |
| Og'irligi | 2-carrier: ≤ 110 kg 4-carrier: ≤ 200 kg 8-carrier: ≤ 400 kg |
| Ishlash harorati | -30°C～+60°C |
| Saqlash harorati | -40°C～+85°C |
| Nisbiy namlik | Base Station: 5% to 95%RH MSO: 10% to 90%RH |
| Ishchi Balandlik | ≤2000m |
| Ta'mirlanish vaqti (MTTR) | 30 minutes |
| O'rtacha muvaffaqiyatsizliklar orasidagi ortacha vaqt(MTBF) | 100,000 hours |
| Qabul qiluvchi(reciver) | |
|---|---|
| RX sezuvchanligi(statik) | -118dBm@BER≤5% |
| Maksimal ruxsat etilgan RX darajasi | -10dBm（BER≤0.01%） |
| Uzatuvchi(transmitter) | |
|---|---|
| TX kuchi | Repeater：≤50W; Antenna connector：≤14W |
| Quvvat oralig'ini sozlash | 5W~50W |