Exact(2)
In the simulation, our schemes are mainly compared with three known approaches: the two CFO estimators robust to I/ Qmismatch proposed in [10, 11] and the time domain I/ Qmismatch estimator proposed in [6, 10].
Low-complexity blind CFO estimation algorithm has been proposed in[22] while two CFO estimation methods for multi-antenna BSs, based on rank reduction and alternating projection methods are proposed in[21].
Similar(58)
For we restricted the smallest difference between two CFOs to be no less than, and for, we set no threshold on the CFO difference of the two users.
Those two CFOs they needed more info".
Thus, the synchronization challenge is similar to that described for the second communication phase of DF-OWRN with two TOs and two CFOs.
The received signal at each relay during the first communication phase is a function of two TOs and two CFOs, which need to be jointly estimated and compensated.
Thus, unlike DF-OWRN, the received signal at each relay during the first communication phase is a function of two TOs and two CFOs, which need to be jointly estimated and compensated for in order to decode the modulo-2 sum of the bits from the two nodes.
For reference, the ideal BER performance in the case of perfect channel estimation and synchronization (i.e., zero CFO and SFO, using 3 iterations between MIMO-demapper and SISO decoder) is also plotted.
For reference, the ideal BER performance (curve E) in the case of perfect channel estimation and synchronization (i.e., zero CFO and SFO, using 3 iterations between MIMO-demapper and SISO decoder) is also plotted.
According to the poll by Deloitte, more than four out of five CFOs expect to cut hiring and discretionary spending in the next year.
In a startling 2004 survey of more than 400 chief financial officers by researchers at Duke University and the University of Washington, nearly four out of five CFOs said they would cut R&D to make the next quarter's earnings target.
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