Enabling seamless user mobility in a short-range wireless networking environment
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04Q-007/20
H04Q-007/38
출원번호
US-0637742
(2000-08-11)
발명자
/ 주소
Singhal, Sandeep Kishan
Gopal, Ajei Sarat
Gopal, Inder Sarat
출원인 / 주소
ReefEdge, Inc.
대리인 / 주소
Doubet, Marcia L.
인용정보
피인용 횟수 :
246인용 특허 :
2
초록▼
The present invention provides methods, systems, and computer program instructions for enabling a variety of devices, particularly low-power hand-held devices, to travel seamlessly through a networking environment such as that encountered within a building by establishing connectivity to a plurality
The present invention provides methods, systems, and computer program instructions for enabling a variety of devices, particularly low-power hand-held devices, to travel seamlessly through a networking environment such as that encountered within a building by establishing connectivity to a plurality of network access points. The illusion of seamless network connectivity is provided by having these access points coordinate with a core server to perform user authentication, device address assignment, and handoff services.
대표청구항▼
The present invention provides methods, systems, and computer program instructions for enabling a variety of devices, particularly low-power hand-held devices, to travel seamlessly through a networking environment such as that encountered within a building by establishing connectivity to a plurality
The present invention provides methods, systems, and computer program instructions for enabling a variety of devices, particularly low-power hand-held devices, to travel seamlessly through a networking environment such as that encountered within a building by establishing connectivity to a plurality of network access points. The illusion of seamless network connectivity is provided by having these access points coordinate with a core server to perform user authentication, device address assignment, and handoff services. l., 340/728; US-4716405, 19871200, Yamaguchi, 340/743; US-4739313, 19880400, Oudshoorn et al., 340/703; US-4746979, 19880500, Kashigi, 358/134; US-4849747, 19890700, Ogawa et al., 340/735; US-4924413, 19900500, Suwannukul, 364/521; US-4956638, 19900900, Larky et al., 340/701; US-4977398, 19901200, Pleva et al., 340/793; US-4992862, 19910200, Gabor, 358/076; US-5111194, 19920500, Oneda, 340/793; US-5113455, 19920500, Scott, 382/047; US-5400053, 19950300, Johary et al., 345/147; US-5872864, 19990200, Imade et al., 382/176; US-5874937, 19990200, Kesatoshi, 345/127; US-6141061, 20001000, Takeuchi, 348/581 es are V-grooves. 15. The multichannel component of claim 10, wherein the body comprises a stack of plates having grooves for receiving the array of lensed fibers. 16. A device for an optical cross-connect, comprising: a lens array; and an array of lensed fibers positioned a selected distance from the lens array, each lensed fiber having a planoconvex lens disposed at an end of an optical fiber, wherein the planoconvex lenses expand beams emerging from the optical fibers to produce expanded beams having reduced back-reflection, the lens array produces an array of collimated beams from the expanded beams, and the expanded beams enable improved tolerance alignment between the optical fibers and the lens array. 17. The device of claim 16, further comprising means of re-directing an optical beam. 18. The device of claim 17, wherein the means of re-directing an optical beam comprises a mirror.
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