Pulse shaping and spectrum in LTE
RF engineering is a trade off between: required radio spectrum (bandwidth), speed of data transmission (bit rates) and complexity of implementation. The pulse form used to modulate complex data symbols…
Tag: spectrum
Spectrum Analysis of Spreading & Dispreading in WCDMA-3G
How Spreading & Dispreading in WCDMA-3G ? Traditional radio communication systems transmit data using the minimum bandwidth required to carry it as a narrowband signal. CDMA system mix their input…
3G LTE Requirements
Spectrum efficiency DL : 3-4 times UL : 2-3 times Frequency Spectrum Scalable bandwidth : 1.4, 3, 5, 10, 15, 20MHz To cover all frequencies of IMT-2000: 450 MHz to…
LTE OFDMA and Downlink Frame Structure Details
LTE OFDMA and Downlink Frame Structure Details Downlink OFDMA time-frequency multiplexing LTE Spectrum Flexibility and Bandwidth FDD downlink frame structure detailed TDD frame structure LTE (any OFDM/OFDMA) band is made…
What Important of Operator Spectrum Bandwidth and Frequency band for LTE Planning
Here I write LTE network first step. For LTE planning it is important to know what available spectrum bandwidth to operator is and what actual frequency band allocation. Understanding Operator…