be reused in other cells within the larger geographic area. Thus, the spectralefficiencyof a cellular system (that is, the uses to which it can put its portion of the radio spectrum) is increased by a factor equal to the number of times a frequency may be reused within its service area...
1 Within this context, emerging mobile computing and data services are expected to enhance existing services with the blending of wireless, computing and digital information industry innovation. Visions of opportunity arising from new wireless platforms (e.g., meshed networks), intelligent devices (e....
摘要: Mobile Telephone Use and Number of Friends and Selective Friendship Orientation MATSUO Yumi , ONISHI Mai , ANDO Reiko , SAKAMOTO Akira The Japanese journal of personality 14(2), 227-229, 2006-01-31关键词:Mobile Telephone Friendship ...
aIn my heart, I only care about you, whether now or later 在我的心脏,我是否对您只关心,现在或以后[translate] aPromise less or do more 许诺较少或做更多[translate] athe U.S. mobile telephone spectrum auctions. 美国。 移动电话光谱拍卖。[translate]...
In a number of countries throughout the world, a wireless service called the personal communication system (PCS) is available. In the broadest sense, PCS includes all forms of wireless communication that are interconnected with the public switched telephone network, including mobile telephone and aero...
Initial cellular system designs were mainly driven by the high cost ofbase stations, about $1 million each. For this reason early cellular systems used a relatively small number of cells to cover an entire city or region. The cell base stations were placed ontall buildingsor mountains and tran...
Now, when you see a number such as 11.11 ms, you might wonder why such a minor delay would be of any interest or concern. There are a couple of ways to answer this question: 1) this delay is only due to a queue related delay (other delays such as propagation and node processing wi...
aPrivatizations in the 1980s and 1990s, and the success of (at least limited) mobile 私有化在80年代和90年代和(至少有限的)机动性的成功[translate] ausers of 2G and 3G mobile telephone spectrum, have generally been chosen by one of 2G和3G移动电话光谱的用户,由一一般选择了[translate]...
Spectrum Management and Mobile Telephone Service Markets However, substantial variations in mobile Internet activity exist internationally. For instance, 72.3% of mobile subscribers in Japan and 59.1% in Korea access the Internet via mobile telephone, whereas the corresponding use for the US and... JM...
8. The method of claim 7 wherein the mobile telephone is configured to communicate using code division multiple access spread spectrum signaling. 9. A mobile telephone comprising: a display; an information key configured to generate a control signal when activated; and control circuitry configured...