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Paging channel configuration for efficient wake-up period utilization
| Details |
Inventors: Wang, Yi-Pin Eric; Palenius, Torgny; Dent, Paul;
Assignee: Telefonaktiebolaget LM Ericsson (publ) (Stockholm, SE)
Primary Examiner: Marcelo; Melvin
Assistant Examiner:
Attorney, Agent or Firm: Burns, Doane, Swecker & Mathis, L.L.P.
Methods and systems for optimizing standby mode power performance in radiocommunication systems are described. Techniques are providing which permit a mobile station to read synchronization symbols, e.g., long code masked symbols, in transmitted in differently numbered timeslots while minimizing wake-up time in idle mode. |
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DETAILED DESCRIPTION In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular circuits, circuit components, techniques, etc.
in order to provide a thorough understanding of the present invention.
However, it will be apparent to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details.
In other instances, detailed descriptions of well-known methods, devices, and circuits are omitted so as not to obscure the description of the present invention.
The exemplary radio communication systems discussed herein are described as using a hybrid TDMA/CDMA methodology, in which communication between the base station and the mobile terminals is performed using spreading codes, but wherein information is also conveyed in discrete time slots.
However, those skilled in the art will appreciate that the concepts disclosed herein find use in other methodologies, including, but not limited to, frequency division multiple access (FDMA), TDMA, CDMA or any other access methodology.
Likewise, some of the exemplary embodiments provide illustrative examples relating to an exemplary frame and logical channel structure which is under consideration for certain third generation radiocommunication systems, however, the techniques described herein are equally applicable to equipment used in any system.
When the first frame of a desired information signal is received by a receiver, in most communication systems, the clock at the transmitter and the clock at the receiver are not "locked", i.
e.
they are not synchronized in time.
One part of this locking procedure is commonly referred to as frame synchronization.
For the purposes of illustration, and not limitation, consider the exemplary frame and timeslot structures associated with the air interface for this system as depicted in FIG.
1.
Therein seventy-two radio frames of 10 ms each make up a superframe.
Within each radio frame there are sixteen timeslots
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Multiplexer-related 
