QUESTION $3$: $3$G Mobile Networks $($WCDMA$/$CDMA $2000/$UMTS$/$HSPA$)3\mathrm{.}1$ What are the two main standards of $3$G technology? $3\mathrm{.}2$ What are the two main standards of $4$G technology? $3\mathrm{.}3$ Which modulation scheme is used in LTE technology? $3\mathrm{.}4$ Describe $$beam forming$$ concept in $5$G technology? $3\mathrm{.}5$ Give one example of each of the following $5$G services: $3\mathrm{.}5\mathrm{.}1$ Enhanced mobile broadband $($eMBB$)$