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Simplified X1 Protocol Overview

DESCRIPTION

The simplified X1 protocol includes header specifications, type indicators, message types, control messages, and error notifications. It facilitates data and control message transmission with specific identifiers and requirements.

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Simplified X1 Protocol Overview

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Presentation Transcript

  1. Simplified X1 Protocol [1] • X1 header always includes both • MS/AT ID (RATI:ATI24 or UATI: ATI24) • Target node ID (HRPD Sector ID) • X1 header has Type indicator (T) • T=0: Data • Only Data is included • T=1: Control • Only Control messages are included • SFF requirement • Looks up IP address mapping table with MS/AT ID or Target Node ID in X1 header or A23 header, • Forwards the packets with new source and destination IP address/port

  2. Simplified X1 Protocol [2] • X1 Header • T( Type) • T=0: Data • T=1: Control • MS/AT ID Type • ‘000’: Reserved • ‘001’: HRPD RATI • ’010’: HRPD UATI • ‘011’: (Reserved for WiMAX MS identifier) • ‘100’ - ‘111’: Reserved • Target Node ID Type • ‘000’: Reserved • ‘001’: HRPD AN SectorID • ‘011’: (Reserved for WiMAX BS identifier) • ‘100’ - ‘111’: Reserved

  3. Simplified X1 Protocol [3] • X1 Control Messages • X1 Control Message Types • Error Notification Message Format • Error Cause Values

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