US6421540B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for maximizing standby time using a quick paging channel
Assignee: Qualcomm Inc
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Filing: 1999-02-19
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Granted: 2002-07-16
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Expires: 2019-02-19
Abstract
Abstract A quick paging system having a base station, a plurality of terminals, and a full paging channel having a plurality of slots for transmitting paging information to the terminals is described. A quick paging channel having a plurality of quick paging channel slots each corresponding to a full paging channel slot is provided wherein at least one indicator is positioned within a selected quick paging channel slot that instructs at least one selected terminal corresponding to the at least one indicator in the quick paging slot to monitor the corresponding full paging channel slot.
Inventors
- 👤 Klein S. Gilhousen
- 👤 Brian K. Butler
- 👤 Paul E. Bender
- 👤 Avneesh Agrawal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:44
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004; H04L1/0056; H04L1/0071; H04L1/0001; H04L1/0002; H04L1/0023; H04L1/0025; H04L1/0067; H04L1/0068; H04W; H04W52/00; H04W52/04; H04W52/18; H04W52/24; H04W52/38; H04W52/40; H04W52/54; H04W52/58; H04W68/00; H04W68/02; H04W68/025; H04W36/00; H04W36/16; H04W36/18; H04W52/02; H04W52/0209; H04W52/0212; H04W52/0216; H04W52/0219; H04W52/0225; H04W52/0245; H04W52/44; Y; Y02; Y02D; Y02D30/00; Y02D30/70
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
155 words
A quick paging system having a base station, a plurality of terminals, and a full paging channel having a plurality of slots for transmitting paging information to the terminals, comprising: a quick paging channel having a plurality of quick paging channel slots each corresponding to a full paging channel slot; at least one indicator positioned within a selected quick paging channel slot that instructs at least one selected terminal corresponding to the at least one indicator in the quick paging slot to monitor the corresponding full paging channel slot; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 2
Dependent Claim
155 words
A quick paging system having a base station, a plurality of terminals, and a full paging channel having a plurality of slots for transmitting paging information to the terminals, comprising: a quick paging channel having a plurality of quick paging channel slots each corresponding to a full paging channel slot; at least one indicator positioned within a selected quick paging channel slot that instructs at least one selected terminal corresponding to the at least one indicator in the quick paging slot to monitor the corresponding full paging channel slot; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 3
Dependent Claim
26 words
The quick paging system of claim 1 , wherein an absence of the indicator instructs the selected terminal not to monitor the full paging channel slot.
Claim 4
Dependent Claim
30 words
The quick paging system of claim 1 , wherein the at least one indicator comprises a single bit for instructing the selected terminal to monitor the full paging channel slot.
Claim 5
Dependent Claim
27 words
The quick paging system of claim 1 , including an identification number associated with the selected terminal wherein the hashing function is applied to the identification number.
Claim 6
Dependent Claim
47 words
The quick paging system of claim 1 , wherein each of the quick paging channel slots is divided into a plurality of subslots, each of the subslots includes a plurality of indicator positions, a first indicator is disposed within a first indicator position of a first subslot.
Claim 7
Dependent Claim
24 words
The quick paging system of claim 5 , wherein and a second indicator is disposed within a second indicator position of a second subslot.
Claim 8
Dependent Claim
27 words
The quick paging system of claim 6 , wherein the first and second indicator positions are selected according to a hash function applied to a time value.
Claim 9
Dependent Claim
33 words
The quick paging system of claim 6 , wherein the location of the first indicator position within the first subslot differs from the location of the second indicator position within the second subslot.
Claim 10
Dependent Claim
30 words
The quick paging system of claim 1 , wherein a presence of the indicator is detected by comparing a power level of the quick paging channel with a threshold value.
Claim 11
Dependent Claim
27 words
The quick paging system of claim 9 , including a pilot channel wherein the threshold value is determined according to a power level of the pilot channel.
Claim 12
Dependent Claim
50 words
The quick paging system of claim 1 , wherein the paging information is located in a selected paging channel slot on the full paging channel and the quick paging channel slot and the selected paging slot on the full paging channel are offset in time with respect to each other.
Claim 13
Dependent Claim
48 words
The quick paging system of claim 1 , wherein a location of an indicator in a predetermined subslot of the selected quick paging channel slot is prohibited in order to provide a minimum amount of time between the indicator and any paging information transmitted to the selected terminal.
Claim 14
Dependent Claim
31 words
The quick paging system of claim 1 , wherein a determination is made of the reliability of the detection of the indicator and the indicator is erased according to the determination.
Claim 15
Dependent Claim
28 words
The quick paging system of claim 13 , including a pilot channel wherein the reliability determination is made according to a power level present in the pilot channel.
Claim 16
Dependent Claim
31 words
The quick paging system of claim 1 , wherein an indicator position is reserved for an indicator instructing all terminals of the plurality of terminals to monitor the full paging channel.
Claim 17
Dependent Claim
32 words
The quick paging system of claim 1 , wherein an indicator position is reserved for an indicator instructing all terminals of the plurality of terminals not to monitor the full paging channel.
Claim 18
Dependent Claim
21 words
The quick paging system of claim 1 , wherein the indicator is modulated in the quick paging channel using on-off keying.
Claim 19
Dependent Claim
39 words
The quick paging system of claim 1 , wherein the selected terminal remains in a standby mode until at least one indicator within the message position of the selected quick paging channel slot is received by the selected terminal.
Claim 20
Dependent Claim
20 words
The quick paging system of claim 1 , wherein the selected quick paging channel slot includes a multi-bit message packet.
Claim 21
Dependent Claim
30 words
The quick paging system of claim 19 , wherein the multi-bit message packet contains a message instructing all terminals in the plurality of terminals to monitor the full paging channel.
Claim 22
Dependent Claim
31 words
The quick paging system of claim 1 , wherein the multi-bit message packet contains a message instructing all terminals in the plurality of terminals not to monitor the full paging channel.
Claim 23
Dependent Claim
164 words
A communication system having at least one base station and at least one remote station, wherein said at least one base station transmits messages in slots of a full paging channel and said at least one remote station monitoring predetermined slots of said full paging channel for messages intended therefor, said communication system further comprising said at least one base station transmitting indicators in slots of a quick paging channel wherein said at least one remote station monitors predetermined indicators in predetermined quick paging channel slot and responsive thereto for monitoring a predetermined slot on said paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 24
Dependent Claim
164 words
A communication system having at least one base station and at least one remote station, wherein said at least one base station transmits messages in slots of a full paging channel and said at least one remote station monitoring predetermined slots of said full paging channel for messages intended therefor, said communication system further comprising said at least one base station transmitting indicators in slots of a quick paging channel wherein said at least one remote station monitors predetermined indicators in predetermined quick paging channel slot and responsive thereto for monitoring a predetermined slot on said paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 25
Dependent Claim
126 words
A base station for station transmitting messages in slots of a full paging channel further comprising a quick paging channel in which indicators in slots of a quick paging channel are transmitted wherein said at least one remote station monitors predetermined indicators in predetermined quick paging channel slot and responsive thereto for monitoring a predetermined slot on said paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 26
Dependent Claim
126 words
A base station for station transmitting messages in slots of a full paging channel further comprising a quick paging channel in which indicators in slots of a quick paging channel are transmitted wherein said at least one remote station monitors predetermined indicators in predetermined quick paging channel slot and responsive thereto for monitoring a predetermined slot on said paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 27
Dependent Claim
163 words
A communication system having at least one base station and at least one remote station, wherein said at least one base station transmits messages in slots of a full paging channel and said at least one remote station monitoring predetermined slots of said full paging channel for messages intended therefor, said at least one base station transmitting indicators in slots of a quick paging channel, said communication system further comprising said at least one remote station monitors predetermined indicators in predetermined quick paging channel slot and responsive thereto for monitoring a predetermined slot on said paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 28
Dependent Claim
163 words
A communication system having at least one base station and at least one remote station, wherein said at least one base station transmits messages in slots of a full paging channel and said at least one remote station monitoring predetermined slots of said full paging channel for messages intended therefor, said at least one base station transmitting indicators in slots of a quick paging channel, said communication system further comprising said at least one remote station monitors predetermined indicators in predetermined quick paging channel slot and responsive thereto for monitoring a predetermined slot on said paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 29
Dependent Claim
119 words
A remote station for monitoring predetermined slots of a base station transmitted full paging channel for messages intended therefor, said remote station further comprising a quick paging channel monitor for monitoring predetermined indicators in predetermined slots of a quick paging channel and responsive thereto for monitoring a predetermined slot on said paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 30
Dependent Claim
119 words
A remote station for monitoring predetermined slots of a base station transmitted full paging channel for messages intended therefor, said remote station further comprising a quick paging channel monitor for monitoring predetermined indicators in predetermined slots of a quick paging channel and responsive thereto for monitoring a predetermined slot on said paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 31
Dependent Claim
155 words
In a quick paging system having a base station, a plurality of terminals, and a full paging channel for transmitting paging information to the terminals, a method for paging a terminal, comprising the steps of: transmitting terminal specific indicators in terminal specific positions in slots of a quick paging channel; and monitoring at a terminal respective terminal specific positions for terminal specific indicators in predetermined slots of said quick paging channel; and monitoring at each terminal in response to a detection of terminal specific indicators said full paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
Claim 32
Dependent Claim
155 words
In a quick paging system having a base station, a plurality of terminals, and a full paging channel for transmitting paging information to the terminals, a method for paging a terminal, comprising the steps of: transmitting terminal specific indicators in terminal specific positions in slots of a quick paging channel; and monitoring at a terminal respective terminal specific positions for terminal specific indicators in predetermined slots of said quick paging channel; and monitoring at each terminal in response to a detection of terminal specific indicators said full paging channel; wherein said quick paging channel is modulated using on-off keying modulated direct sequence spread spectrum; wherein the least one indicator is placed at selected positions within said quick paging channel slot which are determined from a plurality of positions within the selected quick paging channel slot according to a time value, wherein the selected positions are determined by applying a hashing function to the time value.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-07-15 | 2006-01-14 | 2006-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-07-15 | 2010-01-14 | 2010-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-07-15 | 2014-01-14 | 2014-07-16 | $7700.00 | Window Closed / Lapsed |