تخطى إلى المحتوى الرئيسي
الصفحة الرئيسية
متطلبات الإكمال
فتحت: Monday، 20 April 2020، 12:00 AM
تستحق: Wednesday، 22 April 2020، 12:00 AM
  • In GSM, a 25 MHz frequency band is divided, using a FDMA, into 124 carrier frequencies spaced one from each other by a 200 kHz frequency band. why the GSM standard excluded one carrier 

  • if you can chose to eliminate one duplexing technique which one you will chose FDD or TDD and why 
loader image