RE: LTE-M & GNSS together not works in my project

Hakon — Thu, 14 Nov 2024 12:34:59 GMT

[quote user="gopalambike"]How to disable PSM mode?[/quote]

Why would you disable PSM if you intend to use the GPS?

[quote user="gopalambike"]How to check PSM is enabled or not?[/quote]

Can be read using the XMONITOR at cmd.

RE: LTE-M & GNSS together not works in my project

gopalambike — Tue, 05 Nov 2024 10:20:05 GMT

Not sure , How to check PSM is enabled or not?

How to disable PSM mode?

RE: LTE-M & GNSS together not works in my project

Hakon — Mon, 04 Nov 2024 11:11:45 GMT

Have you ensured that PSM is granted in the network you are connected to?

RE: LTE-M & GNSS together not works in my project

gopalambike — Tue, 29 Oct 2024 13:17:04 GMT

GNSS example works fine , I have connected external antenna.

Configuration I have:

#
# Copyright (c) 2023 Nordic Semiconductor ASA
#
# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
#

# General
# 1024
CONFIG_HEAP_MEM_POOL_SIZE=8192
CONFIG_MAIN_STACK_SIZE=4096
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=1536

# Logging
CONFIG_LOG=y

# Network
CONFIG_NETWORKING=y
CONFIG_NET_SOCKETS=y
CONFIG_NET_SOCKETS_POSIX_NAMES=y
CONFIG_NET_IPV4=y
CONFIG_NET_IPV6=y
CONFIG_NET_CONNECTION_MANAGER=y
CONFIG_NET_CONNECTION_MANAGER_MONITOR_STACK_SIZE=1024

CONFIG_CJSON_LIB=y
CONFIG_NEWLIB_LIBC=y
CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y
CONFIG_HTTP_CLIENT=y //added 23/8/24

# CONFIG_LOG_DEFAULT_LEVEL=3
CONFIG_LTE_LINK_CONTROL=y

## Commented for testing
# CONFIG_PDN=y
# CONFIG_PDN_DEFAULTS_OVERRIDE=y
# CONFIG_PDN_DEFAULT_APN="\"lpwa.vodafone.iot\""
## Enable NB-IoT network mode
# CONFIG_LTE_NETWORK_MODE_NBIOT=y
## Enable GNSS support
# CONFIG_LTE_NETWORK_MODE_NBIOT_GPS=y

# CONFIG_LTE_NETWORK_MODE_LTE_M =y
CONFIG_LTE_NETWORK_MODE_LTE_M_GPS=y

# Enable modem functionalities if not already enabled
CONFIG_MODEM_KEY_MGMT=y
CONFIG_REBOOT=y

CONFIG_NRF_MODEM_LIB=y
CONFIG_GNSS=y
# CONFIG_GNSS_PRIORITY=10
# CONFIG_GNSS_SAMPLE_MODE=y

CONFIG_GNSS_SATELLITES=y
CONFIG_LOG_BUFFER_SIZE=8192
CONFIG_GNSS_DUMP_TO_LOG=y
CONFIG_GNSS_LOG_LEVEL_DBG=y

CONFIG_MODEM_ANTENNA_GNSS_ONBOARD=y
CONFIG_MODEM_ANTENNA_GNSS_EXTERNAL=n

# General
CONFIG_FPU=y
# CONFIG_NRF_MODEM_LIB=y
CONFIG_STDOUT_CONSOLE=y
CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_PICOLIBC_IO_FLOAT=y
# CONFIG_LOG=y
CONFIG_LOG_MODE_IMMEDIATE=y

# GNSS sample
# Enable to use nRF Cloud A-GNSS
# CONFIG_GNSS_SAMPLE_ASSISTANCE_NRF_CLOUD=n

# Request eDRX from the network
CONFIG_LTE_EDRX_REQ=y
# PSM requested periodic TAU 8 hours
CONFIG_LTE_PSM_REQ_RPTAU="00101000"
# PSM requested active time 6 seconds
# CONFIG_LTE_PSM_REQ_RAT="00000011"
CONFIG_LTE_PSM_REQ_RAT="00100001"

# AT Host library - Used to send AT commands directy from an UART terminal and to allow
# integration with nRF Connect for Desktop LTE Link monitor application.
CONFIG_AT_HOST_LIBRARY=y

# Networking
CONFIG_NET_SOCKETS_OFFLOAD=y

RE: LTE-M & GNSS together not works in my project

Hakon — Tue, 22 Oct 2024 12:44:33 GMT

Hello,

are you testing this outside where there GPS receiver signal is sufficient? Have you enabled PSM in your application?