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Expert has experience on 1xRTT, often abbreviated as 1x, is a designation referring to an operating mode of CDMA2000, a wireless technology used in CDMA cellular networks. The 1x in 1xRTT stands for one times the number of 1.25MHz channels. 1xRTT is seen as an improvement over previous CDMA technologies for a number of reasons. It provides up to double the voice capacity of second-generation cellular systems. 1xRTT is not the only operating standard for CDMA2000. There is also CDMA2000 1x Evolution-Data Optimized, or 1xEV-DO. This is early technology adapted at SK Telecom in early 2000. SKT is one of largest 3G wireless operators in the world with more than 21 millions in Korea.

Based on the member's prior engagement, 4G mobile network will increase data transmission rates from 3G data rates, which are currently 384kbps (down-link) to the 4G standard 100Mbps (up-link) and 20Mbps (down-link), allowing more bandwidth for new applications such as video phones, video / audio download and interactive games. The development of a 4G 'packet wireless transmission system' global standard, which is currently under discussion (2004) by the International Telecommunication Union's Radio-communication Sector (ITU-R), has been used by SK Telecom since 2006.

Expert sees Bluetooth as essentially a networking standard that works at two levels wirelessly:

- It provides agreement at the physical level --Bluetooth is a radio-frequency standard.

- It provides agreement at the protocol level, where products have to agree on when bits are sent, how many will be sent at a time, and how the parties in a conversation can be sure that the message received is the same as the message sent.

Expert sees the basic structure of mobile networks includes telephone systems and radio services. Where mobile radio service operates in a closed network and has no access to the telephone system, mobile telephone service allows interconnection to the telephone network.

He is an international business and global expansion expert with over 16 years of experience in financial analysis, management consulting, change management, e-business for content development and wireless carriers in telecommunications. He has rendered 40 transactional six sigma projects at LG Group including DFSS. He is a certified PwC Six Sigma Black Belt.

Expert is an international business and global expansion expert with over 16 years of experience in financial analysis, management consulting, change management, e-business for content development and wireless carriers in telecommunications. He has a successful track record across industry groups, winning the Billing OSS industry award for “Best New Product” in 2005.

He used customer-driven globalization techniques to penetrate new markets and sourcing-enabling technologies to link companies’ core competencies. He also launched new companies and formulated alliance and product partnership strategies.

Leading edge technologies include 3G wireless data, Wibro/Wimax, IMS, Convergent Billing OSS and BSS and emerging telecom MVNO service at Helio. Business valuation and financial due diligence for IPOs and new business/service introduction in cross border transactions to Korean market are also his expertise.

Expert has extensive experience with Helio, SK Telecom, Widerthan, KT, T-Mobile, Earthlink, Cingular, Verizon Wireless, Microsoft, Intel, IBM, Oracle, Sybase, HP, Cisco Systems, Sun Microsystems, and Metro PCS to serve various clients' needs in telecommunications.

He is a principal consultant for the Employer. He has over 16 years of strategy, sales & marketing, and operational experience. He assists many clients in developing next generation wireless services and evaluating and selecting vendor products for their communication network needs. He also contributes competitive analysis, and in-depth perspective for telecom research papers. He has conducted many telecom seminars including Billing World and DowJones/Venturewires. He also produced articles over his career that have appeared in prominent U.S. industry journals. He specializes in 3G/4G, Billing OSS&BSS, IMS, Wimax, Content Delivery Network, emerging wireless technologies, and applications. He was awarded the Billing OSS industry award for “Best New Product” in 2005. He has extensive experience with Helio, SK Telecom, Widerthan, KT, T-Mobile, Earthlink, Cingular, Verizon Wireless, Intel, IBM, Oracle, Sybase, HP, Cisco, Sun, Metro PCS, and Cricket Wireless.
He has rendered and managed Six Sigma quality assurance consulting to LG Group. He led 40 projects to improve quality of business processes at LG covering, telecom, consumer goods, oil & refineries, insurance, financial, and chemical sectors to name a few.He provides cross border transaction consulting to U.S. and Korean companies in technology, telecommunications, and consumer goods.He advises clients on market entry strategies, pricing,
company formation, taxation, and sales & marketing
strategies.