HUAWEI E5770s-320 Mobile WiFi V200R001
Product Description
Issue 02 (2015-05-18)
Commercial in Confidence
Page 19 of 22
4.2 Functional Modules
1.
Radio frequency module
: It sends/receives radio signals and
modulates/demodulates the radio frequency (RF) signals and baseband signals
2.
Baseband signal processing
: It processes
LTE/DC-HSPA+/HSPA+/UMTS/EDGE/GPRS/GSMbaseband digital signals,
including:
Modulating/Demodulating
LTE/DC-HSPA+/HSPA+/UMTS/EDGE/GPRS/GSM baseband signals
Encoding/Decoding LTE/DC-HSPA+/HSPA+/UMTS/EDGE/GPRS/GSM
channel
3.
Bottom layer driver
: It drives peripherals, including a USB device, Wi-Fi devices,
a screen, buttons, a SIM card and a microSD card.
4.
Protocol stack system
: It processes protocols of
LTE/DC-HSPA+/HSPA+/UMTS/EDGE/GPRS/GSM and TCP/IP.
5.
Application system:
It provides management system, including SMS, PS
domain service, Wi-Fi configuration, network service, Web service and Web page.
The user can set management parameters by Web page.
6.
User interface:
It provides human-computer interaction, including a screen and
buttons.