Wireless communications device with waveform configuration and related methods
View Patent ↗A mobile wireless communications device may include an antenna, a transceiver coupled to the antenna, and a controller coupled to the transceiver. The controller may be configured to determine a received signal characteristic, and to configure parameters of a waveform for adjacent forward transmission blocks to be transmitted as sequential forward transmission blocks and based upon the received signal characteristic. Each forward transmission block may have a preamble portion and an associated body portion. The controller may be further configured to set the preamble portion of each forward transmission block to communicate the parameters of the configured waveform.
1. A mobile wireless communications device comprising:
an antenna;
a transceiver coupled to said antenna; and
a controller coupled to said transceiver and configured to
determine at least one received signal characteristic,
configure parameters of a waveform on a block-by-block basis for adjacent forward transmission blocks to be transmitted as a plurality of sequential forward transmission blocks, each forward transmission block comprising a preamble portion and an associated body portion, the parameters of the configured waveform being based upon the at least one received signal characteristic and a type of data in the body portion of forward transmission blocks on the block-by-block basis, and
encode the preamble portion of each forward transmission block on the block-by-block basis to communicate the parameters of the configured waveform for the associated body portion to a receiver device.
2. The mobile wireless communications device according to claim 1 wherein said controller is configured to configure the parameters of the waveform further based upon an amount of each type of data in the body portion of each forward transmission block on the block-by-block basis.
3. The mobile wireless communications device according to claim 1 wherein said controller is configured to configure the parameters of the waveform within the body portion of each forward transmission block on the block-by-block basis.
4. The mobile wireless communications device according to claim 1 wherein said controller is configured to configure the parameters of the waveform using different modulation types.
5. The mobile wireless communications device according to claim 1 wherein said controller is configured to configure the parameters of the waveform using different bandwidths for each forward transmission block on the block-by-block basis.
6. The mobile wireless communications device according to claim 1 wherein said controller is configured to configure the parameters of the waveform using varying forward error correction codes and corresponding code rates.
7. The mobile wireless communications device according to claim 1 wherein each forward transmission block further comprises a channel estimate portion; and wherein said controller is configured to vary a length of the channel estimate portion for each forward transmission block on the block-by-block basis.
8. The mobile wireless communications device according to claim 1 wherein the at least one received signal characteristic comprises at least one of a signal-to-noise ratio, a multipath characteristic, a Doppler spread characteristic, and an interference characteristic.
9. The mobile wireless communications device according to claim 1 wherein said controller is configured to shorten each forward transmission block to comprise a desired type of data.
10. A mobile wireless communications device comprising:
an antenna;
a transceiver coupled to said antenna; and
a controller coupled to said transceiver and configured to
determine at least one received signal characteristic,
configure parameters of a waveform on a block-by-block basis for adjacent forward transmission blocks to be transmitted as a plurality of sequential forward transmission blocks and using different bandwidths for each forward transmission block, each forward transmission block comprising a preamble portion and an associated body portion, the parameters of the configured waveform being based upon the at least one received signal characteristic and a type of data in the body portion of forward transmission blocks on the block-by-block basis,
shorten each forward transmission block to comprise only a desired type of data, and
encode the preamble portion of each forward transmission block on the block-by-block basis to communicate the parameters of the configured waveform for the associated body portion to a receiver device.
11. The mobile wireless communications device according to claim 10 wherein said controller is configured to configure the parameters of the waveform further based upon an amount of each type of data in the body portion of each forward transmission block on the block-by-block basis.
12. The mobile wireless communications device according to claim 10 wherein said controller is configured to configure the parameters of the waveform further within the body portion of each forward transmission block on the block-by-block basis.
13. The mobile wireless communications device according to claim 10 wherein said controller is configured to configure the parameters of the waveform using different modulation types.
14. The mobile wireless communications device according to claim 10 wherein said controller is configured to configure the parameters of the waveform using varying forward error correction codes and corresponding code rates.
15. The mobile wireless communications device according to claim 10 wherein each forward transmission block further comprises a channel estimate portion; and wherein said controller is configured to vary a length of the channel estimate portion for each forward transmission block on the block-by-block basis.
16. A method for operating a mobile wireless communications device comprising:
determining at least one received signal characteristic;
configuring parameters of a waveform on a block-by-block basis for adjacent forward transmission blocks to be transmitted as a plurality of sequential forward transmission blocks and based upon the at least one received signal characteristic, each forward transmission block comprising a preamble portion and an associated body portion, and further based upon a type of data in the body portion of each forward transmission blocks on the block-by-block basis; and
encoding the preamble portion of each forward transmission block on the block-by-block basis to communicate the parameters of the configured waveform for the associated body portion to a receiver device.
17. The method according to claim 16 further comprising configuring the parameters of the waveform further based upon an amount of each type of data in the body portion of each forward transmission block on the block-by-block basis.
18. The method according to claim 16 further comprising configuring the parameters of the waveform within the body portion of each forward transmission block on the block-by-block basis.
19. The method according to claim 16 further comprising configuring the parameters of the waveform using different modulation types.
20. The method according to claim 16 further comprising configuring the parameters of the waveform using different bandwidths for each forward transmission block on the block-by-block basis.
21. The method according to claim 16 further comprising configuring the parameters of the waveform using varying forward error correction codes and corresponding code rates.
22. The method according to claim 16 further comprising varying a length of a channel estimate portion for each forward transmission block on the block-by-block basis.
23. The method according to claim 16
wherein the at least one received signal characteristic comprises at least one of a signal-to-noise ratio, a multipath characteristic, a Doppler spread characteristic, and an interference characteristic.
24. The method according to claim 16 further comprising shortening each forward transmission block to comprise a desired type of data.