Abstract
A method and apparatus for performing inter-system hard handoff between communication systems (S1 S2) or inter-frequency hard handoff within a CDMA communication system is disclosed. The purpose of this invention is to reduce the probability of dropped calls during intersystem hard handoff. In the event that a hard handoff attempt is unsuccessful the mobile station (18) will return to the original system (S1) with information which the communication system of the present invention uses to assist in the performance of future handoff attempts. Alternatively with no handoff attempt made the mobile station (18) monitors the destination system (S2) then returns to the original system (S1) with information used to assist in subsequent handoff attempts. The information returned from monitoring a CDMA system consists of results of a search for one or more pilots given at offsets in a specific list provided to the mobile station (18) by the base station (B1-B5) or a set of offsets based upon a predetermined search algorithm.
SEP Database
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| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | Yes | Family Member | ||||
| Not Available | 27/01/2010 | ISLD-201004-004 | QUALCOMM INC | Yes | Family Member | ||||
| Not Available | 18/04/2010 | ISLD-201006-009 | QUALCOMM INC |
S1
S2
|
Yes | Family Member | |||
| 4G | 19/03/2013 | ISLD-201303-010 | QUALCOMM INC | Yes | Family Member | ||||
| Not Available | 19/03/2013 | ISLD-201303-010 | QUALCOMM INC | Yes | Family Member | ||||
Specification Information
Spec Number
Version Number
Section Number
Specification Information
Spec Number
Version Number
Section Number
Technologies
Family Information
| All Granted Patents In Patent Family : | ---- |
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SEP Database
Augmented SEP Database
There is no augmented declaration available yet
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
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| US5940761A | Not Available | 18/04/2010 | ISLD-201006-009 | QUALCOMM INC |
S1
S2
|
Yes | Family Member | |||
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S1
S2
|
Yes | Basis Patent | |||
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S1
S2
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Yes | Basis Patent | |||
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S1
S2
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Yes | Family Member | |||
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S1
S2
|
Yes | Family Member | |||
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S1
S2
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Yes | Family Member | |||
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S1
S2
|
Yes | Family Member | |||
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S1
S2
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Yes | Family Member | |||
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S1
S2
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Yes | Family Member | |||
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S1
S2
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Yes | Family Member | |||
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S1
S2
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Yes | Family Member | |||
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S1
S2
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Yes | Family Member | |||
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S1
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Yes | Family Member | |||
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S1
S2
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No | Family Member | |||
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S1
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No | Family Member | |||
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Yes | Family Member | |||
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S1
S2
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Yes | Family Member | |||
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S1
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No | Family Member | |||
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S1
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No | Family Member | |||
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S1
S2
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No | Family Member | |||
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S1
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No | Family Member | |||
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S1
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No | Family Member | |||
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S1
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No | Family Member | |||
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No | Family Member | |||
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S1
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No | Family Member | |||
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S1
S2
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No | Family Member | |||
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S1
S2
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No | Family Member | |||
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S1
S2
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No | Family Member | |||
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S1
S2
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No | Family Member | |||
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S1
S2
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No | Family Member | |||
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S1
S2
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No | Family Member | |||
| EA199900660A1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| TR199901658T2 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| ZA9882B | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
| ----- | ----- | ----- | ----- | ----- |
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Technologies
Broadcast/Multicast
Product
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Use Cases
Network OptimizationWireless communication
Services
Not Available
Claim
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