Abstract
A multicast communication method in a CDMA mobile communication system is disclosed which is capable of reducing a transmission power in a base station system and performing an efficient multicast operation for a large number of mobile subscribers is provided. Starting of information distribution by a multicast operation and identification of information indicating content are notified through a broadcast channel to a mobile subscriber. Through the broadcast channel information necessary for actual reception of communication data is notified. In the mobile subscriber a surround environment of the mobile subscriber is checked to determine the possibility of simultaneous receiving from a plurality of other base station systems. If possible similar notified information is also received from other base station systems. Thus all kinds of information regarding the spread code or the like to be used for receiving distributed information are obtained.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP |
S1
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Yes | Family Member | |||
| 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
Specification Information
Specification Information
Technologies
Family Information
| All Granted Patents In Patent Family : | ---- |
| All Pending Patents In Patent Family : | ---- |
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| GB2346512A | 3G | 26/02/2009 | ISLD-200903-005 | NEC CORP | Yes | Family Member | ||||
| GB2346512A | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| GB2346512A | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| GB2346512B | 3G | 26/02/2009 | ISLD-200903-005 | NEC CORP | Yes | Family Member | ||||
| GB2346512B | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| GB2346512B | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US6542755B1 | 3G | 26/02/2009 | ISLD-200903-005 | NEC CORP | Yes | Family Member | ||||
| US6542755B1 | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US6542755B1 | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US2004203966A1 | 3G | 26/02/2009 | ISLD-200903-005 | NEC CORP | Yes | Family Member | ||||
| US2004203966A1 | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US2004203966A1 | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US2006142031A1 | 3G | 26/02/2009 | ISLD-200903-005 | NEC CORP | Yes | Family Member | ||||
| US2006142031A1 | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US2006142031A1 | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US7215948B2 | 3G | 26/02/2009 | ISLD-200903-005 | NEC CORP | Yes | Family Member | ||||
| US7215948B2 | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US7215948B2 | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US2007197200A1 | 3G | 26/02/2009 | ISLD-200903-005 | NEC CORP | Yes | Family Member | ||||
| US2007197200A1 | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US2007197200A1 | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US8249567B2 | 3G | 26/02/2009 | ISLD-200903-005 | NEC CORP | Yes | Family Member | ||||
| US8249567B2 | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US8249567B2 | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| JP2000175263A | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Basis Patent | ||||
| JP2000175263A | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Basis Patent | ||||
| JP3022530B1 | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Basis Patent | ||||
| JP3022530B1 | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Basis Patent | ||||
| US8995970B2 | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US8995970B2 | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | Yes | Family Member | ||||
| US2015173043A1 | 4G | 26/09/2013 | ISLD-201310-003 | NEC CORP | No | Family Member | ||||
| US2015173043A1 | 4G,3G | 26/09/2013 | ISLD-201310-003 | NEC CORP | No | Family Member | ||||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
| ----- | ----- | ----- | ----- | ----- |
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Technologies
Broadcast/Multicast
Product
Use Cases
Wireless communication
Services
Claim
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.