Feature #1620
OsmoTRX EGPRS PHY
Start date:
02/23/2016
Due date:
% Done:
0%
Estimated time:
Spec Reference:
Description
In order to have EGPRS/EDGE working with OsmoTRX (and not just osmo-bts-sysmo), OsmoTRX will need an implementation of the 8PSK modulation/demodulation required for EGPRS.
| tx1-power-time.gif | View tx1-power-time.gif | 18.4 KB | Agilent E4406A power-time | ||
| tx1-spectrum-mask.gif | View tx1-spectrum-mask.gif | 16 KB | Agilent E4406A spectrum mask | ||
| evm-5db-backoff.png | View evm-5db-backoff.png | 12.7 KB | Agilent E4406A EVM |
History
#1 Updated by laforge about 2 years ago
- Assignee set to ttsou
#2 Updated by ttsou about 2 years ago
- File tx1-power-time.gif tx1-power-time.gif added
- File tx1-spectrum-mask.gif tx1-spectrum-mask.gif added
- File evm-5db-backoff.png evm-5db-backoff.png added
- Status changed from New to Resolved
Implemented and merged.
http://git.osmocom.org/osmo-trx/commit/?id=d325343eccaTested with now merged osmo-bts-trx EGPRS MCS implementation.
https://gerrit.osmocom.org/#/c/482/Verified end-to-end all downlink and uplink MCS levels with Huawei/Quacomm (MDM9200) USB dongle.
Measured passing downlink performance against E4406A.
#3 Updated by laforge about 2 years ago
- Status changed from Resolved to Closed
