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VoWLAN is a general term used to describe technology that enables the use of IP telephony systems in a wireless LAN environment. With the spread of wireless LAN usage in the corporate environment, there is increased demand to integrate the use of voice and data within the wireless LAN environment. Additionally, in Japan, people are looking at this technology as a replacement to the current PHS-based intra-office cordless phone system. However, when sending and receiving voice packets over an IP network, data latency and jitter, issues that have little or no impact for data packets, can have negative impact on voice quality. There also are unique technology challenges associated with VoWLAN. For example, because the bandwidth used over wireless LAN is narrower than that used in wired LAN, there is a greater chance of voice packets being destroyed or control messages being lost. Such issues will seriously impact voice quality. In order to address these issues, equipment manufacturers are devising their own unique solutions while also discussing new technology specifications at forums such as IEEE, IETF or Wi-Fi Alliance. This paper will discuss VoWLAN technology with a focus on IEEE 802.11e, a QoS standard used on many wireless IP phones, and IEEE 802.11i, a high-speed data handover standard designed to improve data security.
Hiroki Minaki is a dual native in English and Japanese. He was raised and educated under the Japanese, US, and British education system, and has an English Linguistics degree from a prestigious Japanese university, and an MBA degree from a top ranked US graduate school. He has been providing translation and interpretation services both as a freelancer and in a corporate environment for over 20 years.
Hiroki is particularly experienced in following areas:
Information Technology and Electronics
- Computers and computer peripherals
- Networking and data communication
- Semiconductors and electronics in general
- Consumer electronics and other “gadgetries”
- Mobile phones and telecommunication
- Digital TV and other multi-media audio/video technologies
General Business Management
- Product and company marketing material
- Finance and accounting
- Human resources
- Contracts and other general legal matters
- RFQ and business proposals
Other General Subjects
- International relations
- Macro and micro economics
- Financial markets
- Business strategy and management
A partial list of companies and organizations that Hiroki has served:
- Apple Computer
- Canon
- Daiwa Sports
- Eisai Pharmaceutical
- Fukuoka city government
- Hewlett Packard
- Japan Tennis Association
- JETRO
- Kaiser Aluminum
- Land Nordrhein-Westfalen (Germany) government
- Lehman Brothers
- Mitsubishi Pharmaceutical
- Pixela
- RfStream
- Van Planning (concert planner)
- Whirlpool
- Yamazaki Bakery
キーワード： Japanese, interpreter, San Francisco, Silicon Valley, California, semiconductor, information technology, IT, computer, electronics
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