The phrase "acknowledgement back" is not correct and does not convey a clear meaning in written English.
It may be intended to refer to a response or confirmation of receipt, but the phrasing is awkward and unclear.
Example: "I sent the email yesterday, but I still haven't received any acknowledgement back from the recipient."
Alternatives: "confirmation back" or "response back".
It is widely acknowledged that justification sometimes fails to transmit across known entailment (this acknowledgement dates back at least to Wright 1985).
Upon the correct reception of each data frame, recipient terminal transmits an acknowledgement packet back to sender confirming the correct reception of previous data frame.
Therefore, after receiving a packet, the destination station waits for a short interframe space (SIFS) period and then transmits an acknowledgement (ACK) back to the transmitting station to signal the successful packet reception.
I raised my hand and he answered with a gesture of acknowledgement before moving back into the woods.
The plan to make Britain a less attractive place is an implicit acknowledgement that cutting back on EU migrants' access to out-of-work benefits – the main thrust of coalition policy so far – is ineffective, since migrants come to work rather than live on benefits.
After the data packet is received by the destination node, no acknowledgement is sent back.
The tour guide, the man responsible for collecting tickets, raised his head, grunted an acknowledgement and then fell back asleep.
If the CRC is successfully detected, the packet is correctly received and an acknowledgement (ACK) is fed back to the transmitter.
On the receiver side, when an IW block is received by the receiver, a positive or negative acknowledgement (ACK/NACK) is sent back immediately for the purpose of reducing handover latency.
She finally receives a short letter back, with no acknowledgement of her letter.
