user manual

HUAWEI ME909u-521 LTE LGA Module

Application Guide

Sleeping and Waking Up Application Scenarios

Issue 01 (2013-07-05)

Huawei Proprietary and Confidential

Remote Wake-up Configuration

The power consumption of the host increases if it is frequently woken up. The host

can configure the module's wake-up sources using ^WAKEUPCFG and ^CURC

command so as to reduce the power consumption.

The ^WAKEUPCFG command can be used to choose wake-up sources and the

wake-up channel (USB or WAKEUP_OUT). The ^CURC command can choose

unsolicited messages. For more details, refer to AT Command Interface Specification.

8.4 Application Scenarios: System with USB Connection

only

A host running Android, with support for USB suspend, USB remote resume, voice

calling, and text messages.

8.4.1 Hardware Connection

The host connects to the module using USB.

8.4.2 Software Procedure

Command

Description

AT^WAKEUPCFG=?

Query the parameter range of

WAKEUPCFG.

^WAKEUPCFG: (0-1),(0-3),(0-15)

AT^WAKEUPCFG=1,2,15

Configure the module to make sure

that incoming calls, text messages,

data, and unsolicited messages can

remotely wake up the host using

USB.

AT^CURC=?

Query the parameter range of

CURC.

^CURC: (0-2)

AT^CURC=2,820,1FFFFFFFFFFFFFFF

The host wakes up from sleep if any

of the following occurs: The SIM

card state changes such as the SIM

card is removed (^SIMST); the

number of text messages exceeds

the limit (^SMMEMFULL). Other

unsolicited messages are saved in