Abstract
PURPOSE: An apparatus and method for executing a handoff in a mobile telecommunication system supporting transmission diversity is provided to execute a soft handoff between a TSTD(Time Switched Transmission Diversity) MS(Mobile Station) and two TSTD BSs(Base Stations). CONSTITUTION: BS #A alternately selects transmission antennas and transmits signals in a TSTD mode(310). Before entering handoff process, BS #A transfers the present mode to a non TSTD mode. Based on an antenna selection message transmitted from an MS, only one of the antennas of BS #A transmits signals to the MS(320). During the soft handoff, BSs #A and #B transmit identical information to the MS in a non TSTD method at the same time(330). The MS allocates a finger for each transmission path from each BS and receives information. At this moment, the selection of a transmission antenna in BS #B depends entirely on the judgement of BS #B as the MS that hasnt received any signal from BS #B cannot judge which transmission antenna has good transmission quality. If the soft handoff is completed, only BS #B transmits signals to the MS(340). Afterwards, BS #B transmits signals in the TSTD mode, and the MS also receives the signals in the TSTD mode(350).
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | No | Family Member | ||||
| 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
Specification Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| US6609003B1 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Basis Patent | ||||
| US6609003B1 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | Yes | Basis Patent | ||||
| US6609003B1 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | Yes | Basis Patent | ||||
| AU3735799A | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| AU3735799A | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| AU3735799A | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| AU736288B2 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| AU736288B2 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| AU736288B2 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| CA2295555A1 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| CA2295555A1 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| CA2295555A1 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| CA2295555C | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| CA2295555C | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| CA2295555C | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| EP1002381A2 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| EP1002381A2 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| EP1002381A2 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| EP1002381B1 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| EP1002381B1 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| EP1002381B1 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| JP3444859B2 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| JP3444859B2 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| JP3444859B2 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| WO9959255A2 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| WO9959255A2 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| WO9959255A2 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| WO9959255A3 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| WO9959255A3 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| WO9959255A3 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| JP2002515676A | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | Yes | Family Member | ||||
| JP2002515676A | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| JP2002515676A | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| BR9906437A | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | No | Family Member | ||||
| BR9906437A | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| BR9906437A | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| BRPI9906437B1 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | No | Family Member | ||||
| BRPI9906437B1 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| BRPI9906437B1 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| CN1200522C | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | No | Family Member | ||||
| CN1200522C | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| CN1200522C | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| CN1272262A | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | No | Family Member | ||||
| CN1272262A | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| CN1272262A | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| DE69937283T2 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | No | Family Member | ||||
| DE69937283T2 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| DE69937283T2 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
| RU2184422C2 | 3G | 29/01/2008 | ISLD-200804-013 | SAMSUNG | No | Family Member | ||||
| RU2184422C2 | 3G | 16/03/2014 | ISLD-201403-009 | SAMSUNG | No | Family Member | ||||
| RU2184422C2 | 4G | 21/12/2017 | ISLD-201712-021 | SAMSUNG | No | Family Member | ||||
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