Methods and apparatus for hetergeneous network handover
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United States of America Patent
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May 21, 2019
Grant Date -
Jan 29, 2015
app pub date -
Dec 3, 2012
filing date -
Jan 25, 2012
priority date (Note) -
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Abstract
A first base station provides radio communication service to user equipments, UEs, and a second base station that provides radio communication service to UEs in adjacent cell service area. The first base station receives cell range expansion, CRE, information from the second base station for expanding the size of the first cell and evaluates handover of one or more UEs with respect to the second cell based on the CRE information. In one embodiment, the second base station determines a CRE related configuration that includes the CRE information with respect to the first cell, sends the CRE information to the first base station. For example, the second base station may send a handover request including the CRE information to the first base station. The second base station also may consider CRE information in handover evaluation.
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