Patent US5822700A successfully refreshed from Google Patents.
US5822700A
Expired / Lapsed
US
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Flow control of short message service messages in a cellular telephone network
Assignee: Unwired Planet LLC
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Filing: 1996-04-18
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Granted: 1998-10-13
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Expires: 2016-04-18
Abstract
Abstract Measurements of the load being carried on the control channel of a cellular telephone network air interface are made and then processed to identify a maximum permitted short message service message length for control channel transmission. Short message service messages with lengths less than the permitted maximum are authorized for transmission over the control channel. Any short message service message having a length exceeding the determined maximum length, however, is refused authorization for control channel transmission. The refused messages are either saved for control channel transmission at a later time when the measured loading permits or transmitted over the traffic channel portion of the air interface.
Inventors
- 👤 Ove Hult
- 👤 Richard Brunner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:48
CPC Classifications
H; H04; H04W; H04W4/00; H04W4/12; H04W4/14; H04W28/00; H04W28/02; H04W28/06
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
97 words
A method for controlling the flow of short message service messages over an air interface comprising the steps of: measuring communications load on a control channel of the air interface; determining a maximum permitted length for a short message service message based on the measured control channel load; responsive to a request for short message service transmission, identifying a length for the requested short message service message transmission; comparing the identified length to the determined maximum permitted length; and refusing the requested short message service message transmission if the identified length exceeds the determined maximum permitted length.
Claim 2
Independent Claim
97 words
A method for controlling the flow of short message service messages over an air interface comprising the steps of: measuring communications load on a control channel of the air interface; determining a maximum permitted length for a short message service message based on the measured control channel load; responsive to a request for short message service transmission, identifying a length for the requested short message service message transmission; comparing the identified length to the determined maximum permitted length; and refusing the requested short message service message transmission if the identified length exceeds the determined maximum permitted length.
Claim 3
Dependent Claim
28 words
The method as in claim 1 further including the step of repeating the steps of measuring and determining until the request for short message service transmission is received.
Claim 4
Dependent Claim
34 words
The method as in claim 1 further including the step of transmitting the requested short message service message over the control channel if the identified length does not exceed the determined maximum permitted length.
Claim 5
Dependent Claim
36 words
The method as in claim 1 further including the step of transmitting the requested short message service message over a traffic channel of the air interface if the identified length exceeds the determined maximum permitted length.
Claim 6
Dependent Claim
35 words
The method as in claim 1 further including the step of saving the requested short message service message for subsequent transmission over the control channel if the identified length exceeds the determined maximum permitted length.
Claim 7
Dependent Claim
38 words
The method as in claim 5 further including the step of transmitting the saved requested short message service message over the control channel when the identified length is subsequently found not to exceed the determined maximum permitted length.
Claim 8
Dependent Claim
27 words
The method as in claim 1 wherein the step of determining selects the maximum permitted length with substantially an inverse proportionality to the measured control channel load.
Claim 9
Dependent Claim
42 words
The method as in claim 1 further including the steps of: determining whether sufficient capacity exists on the air interface to carry the short message service message; and refusing the requested short message service message transmission if sufficient capacity does not exist.
Claim 10
Independent Claim
82 words
A system for controlling the flow of short message service messages over an air interface of a cellular telephone network, comprising: means for measuring communications load on a control channel of the air interface; and processing means responsive to the measured communications load for permitting transmission of a requested short message service message over the control channel if a length of the requested short message service message does not exceed a maximum permitted message length derived from the measured control channel load.
Claim 11
Independent Claim
82 words
A system for controlling the flow of short message service messages over an air interface of a cellular telephone network, comprising: means for measuring communications load on a control channel of the air interface; and processing means responsive to the measured communications load for permitting transmission of a requested short message service message over the control channel if a length of the requested short message service message does not exceed a maximum permitted message length derived from the measured control channel load.
Claim 12
Dependent Claim
50 words
The system of claim 9 wherein the processing means further permits transmission of the requested short message service message over a traffic channel of the air interface if the length of the requested short message service message exceeds the maximum permitted message length derived from the measured control channel load.
Claim 13
Dependent Claim
47 words
The system of claim 9 wherein the processing means further saves the requested short message service message for subsequent transmission over the control channel if the length of the requested short message service message exceeds the maximum permitted message length derived from the measured control channel load.
Claim 14
Dependent Claim
23 words
The system of claim 9 wherein the derived maximum permitted length and the measured control channel load have a substantially inversely proportional relationship.
Claim 15
Independent Claim
80 words
A system for controlling the flow of short message service messages over an air interface of a cellular telephone network, comprising: means for measuring communications load on a control channel of the air interface; and processing means responsive to the measured communications load for refusing transmission of a requested short message service message over the control channel if a length of the requested short message service message exceeds a maximum permitted message length derived from the measured control channel load.
Claim 16
Independent Claim
80 words
A system for controlling the flow of short message service messages over an air interface of a cellular telephone network, comprising: means for measuring communications load on a control channel of the air interface; and processing means responsive to the measured communications load for refusing transmission of a requested short message service message over the control channel if a length of the requested short message service message exceeds a maximum permitted message length derived from the measured control channel load.
Claim 17
Dependent Claim
40 words
The system of claim 13 wherein the processing means permits transmission of the requested short message service message over a traffic channel of the air interface if the requested short message service message is refused transmission over the control channel.
Claim 18
Dependent Claim
37 words
The system of claim 13 wherein the processing means saves the requested short message service message for subsequent transmission over the control channel if the requested short message service message is refused transmission over the control channel.
Claim 19
Dependent Claim
23 words
The system of claim 13 wherein the derived maximum permitted length and the measured control channel load have a substantially inversely proportional relationship.
Claim 20
Independent Claim
96 words
A method for controlling the flow of short message service messages over an air interface comprising the steps of: measuring communications load on a control channel of the air interface; determining a maximum permitted length for a short message service message based on the measured control channel load; responsive to a request for short message service transmission, comparing an identified length for the requested short message service message transmission to the determined maximum permitted length; and permitting the requested short message service message transmission if the identified length does not exceed the determined maximum permitted length.
Claim 21
Independent Claim
96 words
A method for controlling the flow of short message service messages over an air interface comprising the steps of: measuring communications load on a control channel of the air interface; determining a maximum permitted length for a short message service message based on the measured control channel load; responsive to a request for short message service transmission, comparing an identified length for the requested short message service message transmission to the determined maximum permitted length; and permitting the requested short message service message transmission if the identified length does not exceed the determined maximum permitted length.
Claim 22
Dependent Claim
28 words
The method as in claim 17 further including the step of repeating the steps of measuring and determining until the request for short message service transmission is received.
Claim 23
Dependent Claim
38 words
The method as in claim 17 further including the step of permitting transmission of the requested short message service message over a traffic channel of the air interface if the identified length exceeds the determined maximum permitted length.
Claim 24
Dependent Claim
35 words
The method as in claim 17 further including the step of saving the requested short message service message for subsequent transmission over the control channel if the identified length exceeds the determined maximum permitted length.
Claim 25
Dependent Claim
22 words
The method as in claim 17 wherein the maximum permitted length and measured control channel load have a substantially inversely proportional relationship.
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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) | 2001-10-12 | 2002-04-13 | 2002-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-10-12 | 2006-04-13 | 2006-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-10-12 | 2010-04-13 | 2010-10-13 | $7700.00 | Window Closed / Lapsed |