公开(公告)号：EP3800963A1

公开(公告)日：2021-04-07

申请号：EP20207647.7

申请日：2016-05-13

Applicant: QUALCOMM Incorporated

Inventor： PAPALEO, Marco ,  YERRAMALLI, Srinivas ,  DAMNJANOVIC, Aleksandar ,  LUO, Tao ,  GAAL, Peter ,  MALLADI, Durga Prasad

IPC: H04W74/08 ,  H04W72/12

Abstract: In order to provide a generic access rule, the present disclosure proposes a new potential set of adaptivity rules for LBE based on LBT. The generic access rule of the present disclosure provides LTE-U and Wi-Fi coexistence and DL/ UL coexistence in both LTE-U and Wi-Fi. The apparatus receives, from the first master device, a resource allocation for communicating with the second master device. The apparatus also determines a type of CCA procedure to perform before communicating with the second master device on an unlicensed channel. The apparatus further performs a CCA procedure to obtain a transmission opportunity based on the determining, the CCA procedure being one of an ICCA procedure or an ECCA procedure. In addition, the apparatus transmit data to the second master device in accordance with the resource allocation on the unlicensed channel when the transmission opportunity is obtained.

公开(公告)号：EP3335515B1

公开(公告)日：2020-09-23

申请号：EP16754360.2

申请日：2016-08-08

Applicant: Qualcomm Incorporated

Inventor： DAMNJANOVIC, Aleksandar ,  WANG, Qingsi ,  WENTINK, Maarten Menzo ,  PAPALEO, Marco ,  YERRAMALLI, Srinivas ,  DABEER, Onkar Jayant

IPC: H04W74/08

公开(公告)号：EP3497962A1

公开(公告)日：2019-06-19

申请号：EP17742600.4

申请日：2017-07-10

Applicant: QUALCOMM Incorporated

Inventor： GULATI, Kapil ,  GUPTA, Gaurav ,  PATIL, Shailesh ,  PAPALEO, Marco

IPC: H04W28/02

公开(公告)号：EP3411993A1

公开(公告)日：2018-12-12

申请号：EP17705274.3

申请日：2017-02-03

Applicant: Qualcomm Incorporated

Inventor： YERRAMALLI, Srinivas ,  GAAL, Peter ,  LUO, Tao ,  ZHANG, Xiaoxia ,  MONTOJO, Juan ,  DAMNJANOVIC, Aleksandar ,  PAPALEO, Marco

IPC: H04L5/00 ,  H04L27/00

CPC classification number: H04W72/042 ,  H04L1/1861 ,  H04L5/001 ,  H04L5/0048 ,  H04L27/0006 ,  H04W72/0453 ,  H04W74/0816 ,  H04W84/12

Abstract: Apparatus and methods for long term evolution (LTE) licensed-assisted access (LAA) communications at a user equipment (UE) are described herein. In an aspect, an example method includes a user equipment (UE) receiving a radio resource control (RRC) message from an eNB and searching for a discovery reference signal (DRS) associated with a secondary cell (Scell) of the eNB based at least on the information received in the RRC message. The example method further includes transmitting on the channel detected during the search.

公开(公告)号：EP3257287A1

公开(公告)日：2017-12-20

申请号：EP16706954.1

申请日：2016-02-10

Applicant: Qualcomm Incorporated

Inventor： YERRAMALLI, Srinivas ,  LUO, Tao ,  DAMNJANOVIC, Aleksandar ,  PAPALEO, Marco ,  MALIK, Rahul ,  GAAL, Peter

IPC: H04W16/14

Abstract: Techniques are described for wireless communication. A first method includes sensing an indication of first radio access technology (RAT) communications occupying a shared radio frequency spectrum band; and configuring, in response to the sensing, at least one parameter of a second RAT used by a device to contend for access to the band. A second method includes randomly selecting a number from a range of numbers extending between a lower bound and an upper bound; contending for access to a shared radio frequency spectrum band by performing an extended clear channel assessment (ECCA) procedure over a plurality of CCA slots, the plurality of CCA slots including a first number of CCA slots equal to the upper bound; and winning contention for access to the band after determining, while performing the ECCA procedure, that the band is available for a second number of CCA slots equal to the randomly selected number.