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MOS TEST VNM
Các yêu cầu về Tools
- 01 Máy tính
- 02 điện thoại NOKIA 500
- 01 Sound card
Các yêu cầu về software
- Phần mềm đo Nemo Outdoor 7.0.9 with Patch
- Phần mềm phân tích Nemo Analyzer 6.5 with Patch hoặc Tems Discovery
10.0.1 crack
- Get HardwareID
- Nokia Connectivity Cable driver
- DMX_6Fire_USB_Setup
Phần I. Phần mềm đo sóng - Nemo Outdoor
1.1. Giao diện Workspace Nemo Outdoor
1.2. Add Device
1.3. Lock tần số theo bài đo MOS
1.4. Thiết lập thông số bài đo MOS – MS1
1.5. Thiết lập bài đo cho MS2
1.6. Một số thông số cần hiển thị trong bài đo
MOS
Phần II. Phần mềm phân tích Logfile – Nemo
Analyzer
2.1. Giao diện Nemo Analyzer
2.2. Import logfile vào Nemo Analyzer
2.3. Hiển thị giá trị MOS của MS1
2.4. Hiển thị thông số Call Attemp của MS1
2.5. Hiển thị thông số Call Attemp trong cùng
Workbook của MOS
2.6. Hiển thị giá trị RxLev Sub của MS1
2.7. Ghép Logfile của từng MS
261031625 huong-dan-do-mos-su-dung-nemo-outdoor-va-nemo-analyzer

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261031625 huong-dan-do-mos-su-dung-nemo-outdoor-va-nemo-analyzer

Editor's Notes

  1. Add device bao gồm: 2 điện thoại và 1 GPS
  2. Trong phần Port setting: Thiết lập thông số Trace port và Modem port tương ứng theo địa chỉ Port trong phần Device Manager của Computer, thông thường địa chỉ Trace port được chọn lớn hơn Modem port Trong phần Voice quality: Chọn kết nối đến channel của Soundcard phải tương tứng với kết nối vật lý từ Mobile tới soundcard
  3. Kết nối Mobile với Soundcard: Màu trắng nối tới cổng In, màu vàng nối tới cổng Out trên Soundcard, màu đỏ không dùng
  4. Tùy theo bài đo để Lock tần số (Chuột phải vào từng MS chọn Band Locking: Đo GSM thì lock GSM900 Đo 3G thì lock GSM900 và UMTS FDD 2100
  5. Các thông số của bài đo MOS bao gồm: Số điện thoại gọi đi Thời gian gọi (duration time): 60s Thời gian Timeout: 10s Số mẫu cuộc gọi: 1000
  6. Thông số về chất lượng thoại – Voice quality: Cả 2 MS cùng thiết lập 1 mẫu thoại là 4s_m.way
  7. Nháy đúp chuột vào Voice call sẽ xuất hiện Voice call properties chỉ chọn thiết lập phần Voice quality
  8. Với bài đo MOS, yêu cầu chất lượng MOS đối với 2G là không nhỏ hơn 3.0 của cả 2 MS tại các mức thu lớn hơn 100 dBm
  9. Logfile được lưu tại địa chỉ mặc định: C\Nemo Tools\Results\tên logfile
  10. Logfile được định dạng đuôi .nmf Vào File  Measurement  Open Measurement  Đường dẫn đến Logfile Để xem trạng thái load logfile: Vào mục View, click vào mục Log window và Database loader sẽ hiện lên 2 cửa số hiển thị trạng thái load logfile
  11. Giá trị MOS hiển thị trên Workbook là giá trị MOS của các sample, mỗi sample theo bài đo thiết kế là 4s
  12. Mỗi 1 cuộc gọi 60s sẽ gồm khoảng từ 5 đến 6 samples
  13. Ghép Logfile của từng MS: View  Organize measurements  Chọn folder chứa các Logfile cần ghép  Chọn các Logfile cần ghép  Chuột phải chọn Join
  14. Đặt tiêu đề cho Nhóm Logfile được ghép