Re: Late packets when using set_time_next_pps and set_start_time with Function Probe

2021-12-29 Thread Manav Kohli
just require a synchronizer somewhere in the flowgraph. Thanks a lot - this is really helpful information and I will give the single source or sink blocks to unknown PPS a try. On Wed, Dec 29, 2021 at 10:51 AM Marcus D. Leech wrote: > On 2021-12-28 23:04, Manav Kohli wrote: > > Dear Marcus

Re: Late packets when using set_time_next_pps and set_start_time with Function Probe

2021-12-28 Thread Manav Kohli
er function calls to ensure Tx and Rx start at the same time in a consistent manner? Thanks again On Thu, Dec 23, 2021 at 9:39 AM Marcus D. Leech wrote: > On 2021-12-23 00:30, Manav Kohli wrote: > > Hello, > > Hope everyone is doing well. I am encountering an issue regarding late &g

Late packets when using set_time_next_pps and set_start_time with Function Probe

2021-12-22 Thread Manav Kohli
Hello, Hope everyone is doing well. I am encountering an issue regarding late packet arrivals when using Function Probe blocks to call set_start_time and set_time_next_pps. I have a flowgraph with a USRP Source and Sink and I am applying the following two function calls to each (so four function

Re: Large baseband spikes from gr-digital OFDM transmitter

2020-06-23 Thread Manav Kohli
promising to me. Peak Windowing and > Noise Shaping are two others. > > If you do implement any of these methods please consider contributing them > back to GNU Radio so that we can all benefit. > > Regards, > Derek > > On 6/23/2020 3:49 PM, Brian Padalino wrote: > >

Large baseband spikes from gr-digital OFDM transmitter

2020-06-23 Thread Manav Kohli
Hello, This problem is visualized here: https://www.dropbox.com/s/w7kdmf9dewwdomx/20M_2974_20_15_nocal_packet_time_tx.png?dl=0 This is an OFDM packet consisting of 6 symbols: the default sync word 1&2, SIG field and three data symbols. The data symbols are QPSK modulated and the sync words are BP