E-Band receiver and bit error measurement
Methods and apparatus are provided to facilitate the alignment of an antenna. In one aspect, there is provided a transceiver. The transceiver may include an antenna and a downconverter module coupled to the antenna. The downconverter module may convert a signal received at the antenna to another signal. The downconverter module may measure received signal strength. The transceiver may also include a sequence detector for detecting an error rate of a sequence included in the other signal. The transceiver may also include an output module for providing an output representative the error rate, the received signal strength, and a combination of the error rate and the received signal strength. The provided output may be used to enable alignment of an antenna. Related apparatus, systems, methods, and articles are also described.
1. A receiver comprising:
a downconverter for converting a signal received at an antenna to another signal and for measuring a signal strength;
a sequence detector for detecting an error rate of a sequence included in at least one of the signal and the other signal;
a combiner, coupled to a user interface processor and the downconverter, for combining the error rate provided by the user interface processor and the signal strength provided by the downconverter; and
an output module for providing an output representative of the error rate and the signal strength to enable alignment of the position of the antenna operating at an E-band frequency.
2. The receiver of claim 1 , wherein the sequence detector further comprises:
detecting one or more of the following sequences: an unframed pseudo random bit sequence (PRBS) of length 2 7 -1; an unframed PRBS of length 2 23 -1; an unframed PRBS of length 2 31 -1; and a predefined pattern.
3. The receiver of claim 1 , wherein the sequence detector further comprises:
a sequence generator, coupled to the downconverter and a tributary interface, for generating one or more sequences.
4. The receiver of claim 3 , wherein the sequence generator further comprises:
generating one or more of the following sequences: an unframed pseudo random bit sequence (PRBS) of length 2 7 -1; an unframed PRBS of length 2 23 -1; an unframed PRBS of length 2 31 -1; and a predefined pattern.
5. The receiver of claim 1 further comprising:
a user interface processor, coupled to the sequence detector, for receiving an indication representative of the error rate and for providing the indication to the user interface for presentation, the error rate representing a quantity of bit errors.
6. The receiver of claim 1 , wherein the combiner further comprises:
a summing amplifier for combining the error rate and the signal strength.
7. The receiver of claim 1 , wherein the downconverter further comprises:
an upconverter for converting an intermediate frequency signal including the sequence to a carrier signal at an E-band frequency.
8. The receiver of claim 1 , wherein the downconverter further comprises:
implementing the signal as a carrier signal and the other signal as an intermediate frequency signal; and
converting the other signal to a baseband signal.
9. A method comprising:
converting, at a receiver, a signal received at an antenna to another signal;
measuring, at the receiver, a signal strength;
detecting, at the receiver, an error rate of a sequence included in at least one of the signal and the other signal;
combining the error rate, provided by a user interface processor, and the signal strength provided by a downconverter; and
providing, at an output module of the receiver, an output representative of the error rate and the signal strength to enable alignment of the position of the antenna operating at an E-band frequency.
10. The method of claim 9 further comprising:
detecting one or more of the following sequences: an unframed pseudo random bit sequence (PRBS) of length 2 7 -1; an unframed PRBS of length 2 23 -1; an unframed PRBS of length 2 31 -1; and a predefined pattern.
11. The method of claim 9 further comprising:
generating one or more sequences.
12. The method of claim 11 , wherein generating further comprises:
generating one or more of the following sequences: an unframed pseudo random bit sequence (PRBS) of length 2 7 -1; an unframed PRBS of length 2 23 -1; an unframed PRBS of length 2 31 -1; and a predefined pattern.
13. The method of claim 9 further comprising:
receiving, at a user interface processor coupled to a sequence detector, an indication representative of the error rate and for providing the indication to the user interface for presentation.
14. The method of claim 9 , wherein combining further comprises:
using a summing amplifier for combining the error rate and the signal strength.
15. The method of claim 9 further comprising:
converting an intermediate frequency signal including the sequence to a carrier signal at an E-band frequency.
16. The method of claim 9 further comprising:
implementing the signal as a carrier signal and the other signal as an intermediate frequency signal; and
converting the other signal to a baseband signal.
17. The method of claim 9 further comprising:
aligning an antenna based on the output.
18. The method of claim 9 further comprising:
detecting, at the receiver, the error rate of the sequence, the sequence generated at another receiver, the other receiver recovering a clock to generate the sequence.