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Standardization activities on Broadband Wireless Access in CCSA. Wang zhiqin CCSA. BWA Technology. Technology enhancement of BWA system. Evolution of SCDMA system. Service: fixed voice Frequency: 400MHz/1800MHz Mainly applied in rural areas.
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Standardization activities on Broadband Wireless Access in CCSA Wang zhiqin CCSA
BWA Technology Technology enhancement of BWA system
Evolution of SCDMA system • Service: fixed voice • Frequency: 400MHz/1800MHz • Mainly applied in rural areas SCDMA is a wireless access technology developed by Beijing Xinwei Telecom Technology Incorporation. McWill ( Mutimedia trunking system) McWill(Broadband SCDMA) Narrowband SCDMA • Service: data, voice, trunking service • Application: business users • Service: data, voice • Frequency: 1800MHz • Supporting high speed data access McWill was finally accepted as one BWA air interface of ITU-R M.1801 recommendation at ITU-R WP5A session.
Standard of TD-LTE based Trunking Technology System architecture ( Phase 1) • Standard projects under development • General Technical Specification for TD-LTE based Broadband Trunking System (Phase 1) • Technical Specification for TD-LTE based Broadband Trunking System (Phase 1) : Air Interface • Interface between Trunking Core Network and Dispacher • Interface between UE and Trunking Core Network • Phase1&2 standard plan • Phase 1: local network, trunking enhancement, IOT of terminals • Phase 2: large network scale, roaming, more service support
Time plan of TD-LTE Based Trunking Technology Standards (phase 1) General Technology Requirement Air Interface Interface between UE and trunking core network Interface between trunking core network and dispatcher Technical requirement of UE, BS, trunking core network and dispatcher Test methode
TD-LTE Based Trunking Network Multimedia dispatch center High Volume Capability • Trunking Voice: • Group Calls Setup: <300ms; • Speech Right Request: <150ms; • All-in-One Terminal Equipment: • Trunking Voice, Video Stream, Data Tx, etc… dispatcher Core network eNodeB eNodeB Smart terminal Radio station on VAN Emergency spot Radio station on VAN CPEhotpot
Advice for GSC of BWA Trunking Technology • Promote consensus on the industry applications and service requirement of BWA technology - Encourage more industry operators involved in the standards activities • Discuss and corporate on BWA Trunking Technology • High level of radio interface • Interface for the CN • The BWA trunking technology have challenges to support both public and industry applications