System and method for determining data rate
Described herein are systems and methods for determining data rate in a direct sequence spread spectrum system. The systems may include circuits or processors for receiving a signal that was transmitted at an unknown data rate and determining the value of the unknown data rate based on a sequence of bits that is generated from processing the signal according to a first data rate. The methods may include receiving a signal having an unknown data rate, processing the signal according to a first data rate, generating another signal that corresponds to a sequence of bits that result from the processing, and determining the value of the unknown data rate according to the sequence of bits.
1. A method of determining data rate in a direct sequence spread spectrum system, the method comprising:
receiving a signal that was transmitted at a particular data rate, wherein the particular data rate is unknown to a receiver, wherein the particular data rate is one of a high data rate or a low data rate, and wherein the high data rate is a binary multiple of the low data rate;
processing the signal according to a first data rate, thereby generating a signal corresponding to a sequence of bits; and
determining the particular data rate according to the sequence of bits.
2. The method of claim 1 , wherein the method comprises initiating proper decoding mechanisms for the particular data rate.
3. The method of claim 1 , wherein the particular data rate is determined according to a count of 0's and a count of 1's in the sequence of bits.
4. The method of claim 1 , wherein the particular data rate is determined according to an occurrence of repetition in the sequence of bits.
5. The method of claim 1 , wherein at least one data rate in the plurality of data rates is a binary multiple of an other data rate in the plurality of data rates.
6. The method of claim 1 , wherein the particular data rate is selected according to a quality of communication on a communication channel.
7. The method of claim 1 , wherein the transmission times of two different rate signals are the same duration.
8. A system for determining data rate in a direct sequence spread spectrum system, the system comprising:
one or more circuits for receiving a signal that was transmitted at a particular data rate,
wherein the particular data rate is unknown when received, wherein the particular data rate is one of a high data rate or a low data rate, and wherein the high data rate is a binary multiple of the low data rate;
wherein the one or more circuits process the signal according to a first data rate, thereby generating a signal corresponding to a sequence of bits; and
wherein the one or more circuits determine the particular data rate according to the sequence of bits.
9. The system of claim 8 , wherein the one or more circuits initiate proper decoding mechanisms for the particular data rate.
10. The system of claim 8 , wherein the particular data rate is determined according to a count of 0's and a count of 1's in the sequence of bits.
11. The system of claim 8 , wherein the particular data rate is determined according to an occurrence of repetition in the sequence of bits.
12. The system of claim 8 , wherein at least one data rate in the plurality of data rates is a binary multiple of an other data rate in the plurality of data rates.
13. The system of claim 8 , wherein the particular data rate is selected according to a quality of communication on a communication channel.
14. The system of claim 8 , wherein the transmission times of two different rate signals are the same duration.
15. A system for determining data rate in a direct sequence spread spectrum system, the system comprising:
at least one processor for receiving a signal that was transmitted at a particular data rate,
wherein the particular data rate is unknown when received, wherein the particular data rate is one of a high data rate or a low data rate, and wherein the high data rate is a binary multiple of the low data rate;
wherein the at least one processor processes the signal according to a first data rate, thereby generating a signal corresponding to a sequence of bits; and
wherein the at least one processor determines the particular data rate according to the sequence of bits.
16. The system of claim 15 , wherein the at least one processor initiates proper decoding mechanisms for the particular data rate.
17. The system of claim 15 , wherein the particular data rate is determined according to a count of 0's and a count of 1's in the sequence of bits.
18. The system of claim 15 , wherein the particular data rate is determined according to an occurrence of repetition in the sequence of bits.
19. The system of claim 15 , wherein at least one data rate in the plurality of data rates is a binary multiple of an other data rate in the plurality of data rates.
20. The system of claim 15 , wherein the particular data rate is selected according to a quality of communication on a communication channel.
21. The system of claim 15 , wherein the transmission times of two different rate signals are the same duration.
22. A method of determining data rate in a communication system, the method comprising:
receiving a direct sequence spread spectrum signal that was transmitted at a particular data rate, wherein the particular data rate is unknown to a receiver, wherein the particular data rate is one of a high data rate and a low data rate, and wherein the high data rate is a binary multiple of the low data rate;
processing the direct sequence spread spectrum signal according to the high data rate, thereby generating a despread signal corresponding to a sequence of bits;
determining the particular data rate according to an occurrence of repetition in the sequence of bits; and
initiating proper decoding mechanisms for the particular data rate.
23. The method of claim 22 , wherein the particular data rate is selected according to a quality of communication on a communication channel.
24. A system for determining data rate in a communication system, the system comprising:
one or more circuits for receiving a direct sequence spread spectrum signal that was transmitted at a particular data rate, wherein the particular data rate is unknown to a receiver, wherein the particular data rate is one of a high data rate and a low data rate, and wherein the high data rate is a binary multiple of the low data rate;
said one or more circuits for processing the direct sequence spread spectrum signal according to the high data rate, thereby generating a despread signal corresponding to a sequence of bits;
said one or more circuits for determining the particular data rate according to an occurrence of repetition in the sequence of bits; and
said one or more circuits for initiating proper decoding mechanisms for the particular data rate.
25. The system of claim 24 , wherein the particular data rate is selected according to a quality of communication on a communication channel.