Invention Grant
- Patent Title: Systems and methods for facilitating the transition of a wireless communication device (WCD) from a CELL_FACH state to a CELL_DCH state
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Application No.: US15549706Application Date: 2015-02-10
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Publication No.: US10433364B2Publication Date: 2019-10-01
- Inventor: Alessandro Caverni , Jose Luis Pradas
- Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee Address: SE Stockholm
- Agency: Sage Patent Group
- International Application: PCT/SE2015/050159 WO 20150210
- International Announcement: WO2016/130057 WO 20160818
- Main IPC: H04W76/27
- IPC: H04W76/27 ; H04W52/38 ; H04L1/18 ; H04W72/12

Abstract:
In one aspect, a method for facilitating the transition of a wireless communication device, WCD, (102) from a CELL_FACH state to a CELL_DCH state is provided. In some embodiments, the method includes determining that the WCD (102) should transition from the CELL_FACH to the CELL_DCH cell state. The method further includes, in response to determining that the WCD should transition from the CELL_FACH to the CELL_DCH cell state, i) sending to the WCD (102) a first configuration message (302) for moving the WCD from the CELL_FACH state to the CELL_DCH state and ii) sending to the WCD a second configuration message (304) for forcing the WCD to obtain a common E-DCH resource or retain a previously obtained common E-DCH resource.
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