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
DC-HSPA+/HSPA+/HSPA/UMTS/EDGE/GPRS/GSM baseband digital signals,
including:
Modulating/Demodulating DC-HSPA+/HSPA+/HSPA/UMTS baseband signals
Modulating/Demodulating DC-HSPA+/EDGE/GPRS/GSM baseband signals
Encoding/Decoding DC-HSPA+/HSPA+/HSPA/UMTS channel
Encoding/Decoding EDGE/GPRS/GSM channel
3. Bottom Layer Driver: It drives peripherals, including USB, OLED, microSD and
SIM.
4. Protocol Stack System: It processes protocols of
DC-HSPA+/HSPA+/HSPA/UMTS/EDGE/GPRS/GSM.
5. Application System: It sends laptop commands to the bottom layer protocol for
processing and returns the value to the laptop. Existing applications include the
following:
Message management
CS/PS domain service management
6. User Interface: It provides interfaces to connect peripherals. Interfaces are for
microSD and SIM.
7. Application Management: Through the application window, you can set the
parameters of the E587 and operate the E587.
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