Base station implementing a physical layer automatic repeat...

Details Base station implementing a physical layer automatic repeat... Base station implementing a physical layer automatic repeat...

2006-12-12

2006-12-12

To, Doris H. (Department: 2616)

Multiplex communications

Communication over free space

Repeater

C370S465000, C455S069000

Reexamination Certificate

active

07149192

ABSTRACT:
A base station implementing physical layer automatic repeat request includes a transmitter and a receiver. The transmitter has a physical layer transmitter for receiving data, formatting the received data into packets transmitting the packets and retransmitting packets in response to failure to receive a corresponding acknowledgment for a given packet; an acknowledgment receiver for receiving the corresponding acknowledgment; and an adaptive modulation and coding controller for collecting retransmission statistics and adjusting the particular data encoding/modulation using the collected statistics. The receiver has a physical layer receiver for demodulating the packets; a combiner/decoder for buffering, decoding and detecting packet errors; and an acknowledgment generator for generating an acknowledgment for each packet if that packet has an acceptable error rate.

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