Zobrazeno 1 - 10
of 121
pro vyhledávání: '"Personal Handy-phone System"'
Autor:
Hiroyuki Arai
Publikováno v:
Handbook of Antennas in Wireless Communications ISBN: 9781315220031
Electrical Engineering & Applied Signal Processing Series ISBN: 9780849301247
Handbook of Antennas in Wireless Communications
Electrical Engineering & Applied Signal Processing Series ISBN: 9780849301247
Handbook of Antennas in Wireless Communications
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5809a8210072174da8971d649854fd32
https://doi.org/10.1201/9781315220031-11
https://doi.org/10.1201/9781315220031-11
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 23:328-334
This paper proposes a design technique of wide-band antenna for handy phone with 700 MHz LTE(Long Term Evolution) low frequency bandwidth. The proposed antenna based on the PIFA(Planar Inverted-F type Antenna) structure was designed and considered. I
Publikováno v:
European Transactions on Telecommunications. 5:583-590
This paper discusses two speech-coding algorithms at around 8 kbit/s. These algorithms both use pre-selection in the codebook search and training for the conjugate structured random codebook. One has short-delay time that can dispense with echo-contr
Publikováno v:
Mining Science and Technology (China). 20:244-247
The electromagnetic environment of laneways in underground coal mines is an important area for the design of new electronic products, as well as a fundamental space for mine monitoring, surveillance, communications and control systems. An investigati
Publikováno v:
Iryou kikigaku (The Japanese journal of medical instrumentation). 80:281-289
A wearable bioinformation recording system has been developed for monitoring health conditions, daily living activities and heart function of elderly person. A tri-axis accelerometer attached to the elderly person can simultaneously measure dynamic a
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing. 4:187-193
Focusing on the Personal Handy-phone System (PHS) positioning service used in physical distribution logistics, a positioning error offset method for improving positioning accuracy is invented. A disadvantage of PHS positioning is that measurement err
Autor:
Tetsuo Hattori, Shin'ichi Masuda
Publikováno v:
IEEJ Transactions on Industry Applications. 127:610-617
A novel remote monitoring system for all day outdoor observation using multiple wireless sensors and wireless communication (Handy phone and PHS) is proposed. The whole system consists of three parts: (i) a host station that is a PC (personal compute
Autor:
Takamasa Iryo, Yasuo Asakura
Publikováno v:
Journal of Advanced Transportation. 39:105-116
Data collection methods that use mobile phones have been developed for tracking, monitoring, and analyzing travel behaviour. Previous methods using a Personal Handy Phone System (PHS) assumed that the location data of base stations were known. This p
Autor:
Takamasa Iryo, Yasuo Asakura
Publikováno v:
International Journal of Urban Sciences. 8:121-130
Tracking type data collection methods using mobile phone have been developed for monitoring and analyzing individual travel behavior. Previous methods using PHS (Personal Handy phone System) assumed that the location data of base stations were known.
Publikováno v:
IEEE Transactions on Vehicular Technology. 52:108-111
Data from the received signal-level in the personal handy-phone system commercial communication service are used to evaluate a method for expressing mobile propagation loss characteristics. The standard deviation of the difference between the measure