Changes between Version 28 and Version 29 of expansion/gw16146


Ignore:
Timestamp:
09/01/2022 11:29:48 PM (3 years ago)
Author:
Ryan Erbstoesser
Comment:

add range links

Legend:

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  • expansion/gw16146

    v28 v29  
    4848 * dual embedded ARM Cortex-M0 and Cortex-M3 processor
    4949 * SPI host interface
    50  * Only 1 GW16146 is supported on a give system; as there is no concrete way to associate SPI bus number with particular device. The bus number assignment relies on USB
    51 bus scan and device probe sequence
     50 * Only 1 GW16146 is supported on a give system; as there is no concrete way to associate SPI bus number with particular device. The bus number assignment relies on USB bus scan and device probe sequence
    5251
    5352RF transmitter specifications:
    … …  
    7473=== MCS
    7574Modulation and coding schemes (for 1 spatial stream 1/2/4MHz channels):
    76 ||= MCS index =||= Modulation and coding rate =||||= 1MHz (mbps) =||||= 2MHz (mbps) =||||= 4MHz (mbps) =||
     75||= MCS index =||= Modulation and coding rate =||||= 1MHz BW (mbps) =||||= 2MHz BW (mbps) =||||= 4MHz BW (mbps) =||
    7776||    || ||= long GI =||= short GI =||= long GI =||= short GI =||= long GI =||= short GI =||
    7877|| 0  || BPSK 1/2     || 0.3  || 0.33 || 0.65 || 0.72 || 1.35 || 1.5  ||
    … …  
    8584|| 7  || 64-QAM 5/6   || 3.0  || 3.34 || 6.5  || 7.22 || 13.5 || 15.0 ||
    8685|| 10 || BPSK 1/2 x 2 || 0.15 || 0.17 || -    || -    || -    || -    ||
    87  - see rate table at: https://en.wikipedia.org/wiki/IEEE_802.11ah
    88  - **these are maximum PHY data rates - actual throughput depends also on packet loss and most importantly SPI and USB bus overhead and latency which effectively reduces throughput to a max of around 4.5mbps.**
     86 - See rate table at: https://en.wikipedia.org/wiki/IEEE_802.11ah
     87 - **These are maximum PHY data rates - actual throughput depends also on packet loss and most importantly SPI and USB bus overhead and latency which effectively reduces throughput of the GW16146 to a max of around 4.5mbps.**
     88 - Range is affected by BW used. 1MHz should be used for long range applications. See some example range by BW here: [https://youtu.be/Y_qmCR1so2c?t=188]
    8989
    9090=== Receiver