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Title:
A WIRELESS DEVICE, A FIRST ACCESS NODE AND METHODS THEREIN
Document Type and Number:
WIPO Patent Application WO/2017/132849
Kind Code:
A1
Abstract:
A wireless device 206 and a method therein for enabling a single Random Access (RA) preamble to be received by a first Access Node (AN) 208 and by a second AN 210, which first and second ANs are asynchronous ANs. The wireless device, and the first and second ANs are operating in a wireless communications network 200. The wireless device receives a first signal from the first AN and a second signal from the second AN. Based on the received first and second signals, the wireless device determines an overlapping time window during which a transmission from the wireless device is receivable by the first and second ANs, and transmits a single RA preamble to the first and second ANs during the determined overlapping time window.

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Inventors:
LU QIANXI (CN)
ERIKSSON ERIK (SE)
MIAO QINGYU (CN)
WANG JIANFENG (CN)
Application Number:
PCT/CN2016/073250
Publication Date:
August 10, 2017
Filing Date:
February 03, 2016
Export Citation:
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Assignee:
ERICSSON TELEFON AB L M (PUBL) (SE)
LU QIANXI (CN)
International Classes:
H04W74/00
Domestic Patent References:
WO2012173565A12012-12-20
WO2015013073A12015-01-29
WO2012173565A12012-12-20
Foreign References:
CN102026231A2011-04-20
CN1839569A2006-09-27
Other References:
"Considerations on PRACH design for NB-loT", 3GPP DRAFT ETRI R-160124, pages 20160118 - 20160121
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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