[srslte-users] what is the mean of TX_DELAY and FDD_HARQ_DELAY_MS

[Xavier Arteaga]

Hi John,
That is correct!

Xavier

On Mon, 14 Oct 2019 at 10:35, john wu <john.wu.8899 at hotmail.com> wrote:

> #define TX_DELAY 4
> #define MSG3_DELAY_MS 2 // Delay added to TX_DELAY
> #define TTI_SUB(a, b) ((((a) + 10240) - (b)) % 10240)
> #define TTI_TX(tti) ((tti + TX_DELAY) % 10240)// Use only in FDD mode!!
> #define FDD_HARQ_DELAY_MS 4
> #define TTI_RX(tti) (TTI_SUB(tti, FDD_HARQ_DELAY_MS))
> #define TTI_RX_ACK(tti) ((tti + (2 * FDD_HARQ_DELAY_MS)) % 10240)
>
> the definition is above. i want to know what TX_DELAY and
> FDD_HARQ_DELAY_MS means. FDD_HARQ_DELAY_MS is easier to understand it is
> the ack time delay from TX to ack. but TX_DELAY seems the time advance to
> transmit the data to the radio hardware, it that correct.
>
>
> www.zhixun-wireless.top
> provide SDR PA LNA duplexer
>
> Best Regards
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