Huawei E182E Product Manual - Page 13

HUAWEI E1820 HSPA+ USB Slider（W2100+GSM） V100R001 Product Description Baseband Signal Processing It processes HSPA+/UMTS/EDGE/GPRS/GSM baseband digital signals, including: l Modulating/Demodulating HSPA+/UMTS baseband signals l Modulating/Demodulating EDGE/GPRS/GSM baseband signals l Encoding/Decoding HSPA+/UMTS channel l Encoding/Decoding EDGE/GPRS/GSM channel Bottom Layer Driver It drives peripherals, including USB, LED, Micro-SD and SIM/USIM. Platform Service Subsystem It initializes programs, diagnoses the running of the system, downloads data and serves as a watchdog. Protocol Stack System It processes protocols of HSPA+/UMTS/EDGE/GPRS/GSM. 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: l Call management l Message management l CS/PS domain service management User Interface It provides interfaces to connect peripherals. Interfaces are for LED Micro-SD and SIM/USIM. Application Management Through the application window, you can set the parameters of the E1820 and operate the E1820. Issue 01 (2009-02-12) Commercial in Confidence Page 13 of 19