Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1995-06-06
1996-11-12
Olms, Douglas W.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
3408251, 455343, H04B 116
Patent
active
055749968
ABSTRACT:
A method and system for providing an enhanced sleep mode for remote units in a radiocommunication system are described. Measurement periodicity for control channels of neighboring cells is optimized. Paging frame classes can also be temporarily modified to extend sleep periods.
REFERENCES:
patent: 4127744 (1978-11-01), Yoshikawa et al.
patent: 4527284 (1985-07-01), Rottger
patent: 4731814 (1988-03-01), Becker et al.
patent: 4977611 (1990-12-01), Maru
patent: 5065423 (1991-11-01), Gaskill
patent: 5081704 (1992-01-01), Umeda et al.
patent: 5119502 (1992-06-01), Kallin et al.
patent: 5122795 (1992-06-01), Cubley et al.
patent: 5128938 (1992-07-01), Borras
patent: 5199109 (1993-08-01), Baker
patent: 5301225 (1994-04-01), Suzuki et al.
patent: 5325088 (1994-06-01), Willard et al.
patent: 5353332 (1994-10-01), Raith et al.
patent: 5375254 (1994-12-01), Owen
PCT International Search Report regarding PCT/US94/12619 Date of mailing: 13 Mar. 1995.
"A New Standard for North American Digital Cellular", Magnus Isaksson et al., Ericsson Review, No. 2, pp. 58-69 (1994).
"Use of Umbrella Cells in Idle Mode", Datacom. (DBP Telecom.) TDoc SMG2, Turin, 05-08, May 7, 1992.
"The Evolution of Digital Cellular into Personal Communications", Uddenfeldt et al., presented at Telecom. 91, Geneva, Oct. 7-15, 1991.
"Idle Mode Cell Selection for Hierarchical Cell Structures", ETSI STC SMG2, Ad hoc meeting, Taastrup, Aug. 17 1992.
"Idle Mode Cell Reselection for Microcells", ETSI GSM2, Ronneby, Sep. 17-20, 1991.
"Changes to Idle Mode Cell Reselectin for Microcells", ETSI TC SMG Meeting No. 1, Lisbon, Jan. 31, 1992.
"Cellular System Dual-Mode Mobile Station --Base Station Compatibility Standard", Ela/Tia Interim Standard, IS-54-B, pp. 101-106; 109-116; 139-140; and 163-166 (Apr., 1992).
Olms Douglas W.
Patel Ajit
Telefonaktiebolaget LM Ericsson
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