公开(公告)号：US10893544B2

公开(公告)日：2021-01-12

申请号：US16276364

申请日：2019-02-14

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Sami-Jukka Hakola ,  Emad Farag ,  Timo Koskela ,  Mihai Enescu

IPC: H04W74/08 ,  H04B7/06 ,  H04L5/00 ,  H04L1/00 ,  H04B7/0408 ,  H04W56/00 ,  H04B7/0413

Abstract: A method, apparatus, and a computer-readable storage medium for beam refinement of a two-step random access channel (RACH) procedure are provided. In some implementations, the method may include receiving a plurality of synchronization signal blocks (SSBs), a plurality of channel state information-reference signals (CSI-RSs) associated with each of the plurality of synchronization signal blocks (SSBs), and random access channel (RACH) configuration data from a gNB. The method may further include transmitting a first message of the two-step random access channel (RACH) procedure to the gNB, the first message including a first portion and a second portion. The first portion includes a preamble associated with a selected channel state information-reference signal (CSI-RS) of the plurality of channel state information-reference signals (CSI-RSs) and the second portion includes data associated with the preamble, and the data transmitted using pre-configured or pre-allocated resources.

公开(公告)号：US20200280912A1

公开(公告)日：2020-09-03

申请号：US16645688

申请日：2018-08-29

Applicant: Nokia Technologies Oy

Inventor： Sami Hakola ,  Jorma Kaikkonen ,  Emad Farag

IPC: H04W48/20 ,  H04W56/00 ,  H04W24/10 ,  H04W74/08 ,  H04B7/06 ,  H04W72/04

Abstract: Various communication systems may benefit from improved cell selection. For example, it may be helpful to improve cell selection in new radio systems based on individual synchronization signal blocks meeting specific thresholds. A method may include measuring at a user equipment a cell quality of one or more cells. The method may also include detecting at the user equipment synchronization signal blocks in the one or more cells. In addition, the method may include determining at the user equipment that the synchronization signal blocks do not meet a random access channel resource selection threshold. Further, the method may include selecting at the user equipment only random access channel resources that correspond to the synchronization signal blocks meeting a cell selection threshold.

公开(公告)号：US20190313400A1

公开(公告)日：2019-10-10

申请号：US16367942

申请日：2019-03-28

Applicant: Nokia Technologies Oy

Inventor： Emad Farag ,  Volker Braun ,  Karol Schober

IPC: H04W72/04 ,  H04L1/18

Abstract: A method and apparatus for implicitly determining a PUCCH resource. The invention allows for flexible selection of a PUCCH resource in the PUCCH resource subset for configurations of PDCCH resources without collisions through the use of indices for control channel element subsets.

公开(公告)号：US20180324786A1

公开(公告)日：2018-11-08

申请号：US15969884

申请日：2018-05-03

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Kari Hooli ,  Esa Tapani Tiirola ,  Emad Farag

IPC: H04W72/04

CPC classification number: H04W72/0413 ,  H04L5/0055 ,  H04W72/0406

Abstract: A technique includes determining, by a user device, a set of uplink control channel resources out of a plurality of predetermined sets of uplink control channel resources, before the user device has received a user device-specific configuration of uplink control channel resources; selecting, by the user device, an uplink control channel resource of the determined set of uplink control channel resources; and transmitting, by the user device, control information via the selected uplink control channel resource.

公开(公告)号：US11290220B2

公开(公告)日：2022-03-29

申请号：US16367942

申请日：2019-03-28

Applicant: Nokia Technologies Oy

Inventor： Emad Farag ,  Volker Braun ,  Karol Schober

IPC: H04L1/18 ,  H04W72/04 ,  H04L5/00

Abstract: A method and apparatus for implicitly determining a PUCCH resource. The invention allows for flexible selection of a PUCCH resource in the PUCCH resource subset for configurations of PDCCH resources without collisions through the use of indices for control channel element subsets.

公开(公告)号：US11737144B2

公开(公告)日：2023-08-22

申请号：US16606950

申请日：2018-04-26

Applicant: Nokia Technologies Oy

Inventor： Sami-Jukka Hakola ,  Emad Farag ,  Samuli Heikki Turtinen ,  Jukka Valtteri Tormalehto ,  Jorma Johannes Kaikkonen

IPC: H04W4/00 ,  H04W74/08 ,  H04W72/044 ,  H04W74/00 ,  H04W72/53

CPC classification number: H04W74/0833 ,  H04W72/046 ,  H04W72/53 ,  H04W74/008

Abstract: A method including, detecting, by a base station in a wireless communication system, within an RAR window, at least one of multiple first messages from a plurality of user equipments, wherein the plurality of user equipments is permitted to transmit multiple first messages within the RAR window, and wherein each first message includes a PRACH preamble; in response to receiving at least one PRACH preamble in the at least one of multiple first messages, transmitting at least one second message including an RAR downlink channel for each preamble received; receiving at least one third message, from at least one user equipment of the plurality of user equipments, including a beam connection request and transmitting at least one fourth message to the at least one user equipment on the requested beam.

公开(公告)号：US20220159745A1

公开(公告)日：2022-05-19

申请号：US17593949

申请日：2019-03-29

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Emad Farag ,  Nuno Pratas ,  Frank Frederiksen ,  Chunhai Yao

IPC: H04W74/08 ,  H04W74/00 ,  H04L1/00

Abstract: Example embodiments of the present disclosure relate to information transmission in random access. A method comprises selecting, one of a plurality of random access preambles that is received from a terminal device, the plurality of random access preambles being divided into a plurality of subsets of random access preambles; selecting at least one predefined sequence associated with the selected random access preamble based on a predetermined association between a plurality of predefined sequences and the plurality of subsets of random access preambles and based on a target resource unit to be used for transmission of control information and data information; modulating the control information with one of the at least one predefined sequence, the control information indicating configuration of the data information; and transmitting the selected random access preamble, the modulated control information, and the data information in a random access message to the network device.

公开(公告)号：US10383140B2

公开(公告)日：2019-08-13

申请号：US15631648

申请日：2017-06-23

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Zexian Li ,  Bikramjit Singh ,  Vinh Van Phan ,  Emad Farag ,  Ling Yu ,  Mikko Aleksi Uusitalo

IPC: H04W72/02 ,  H04W72/04 ,  H04W72/08 ,  H04W72/12 ,  H04W76/10

Abstract: A technique includes receiving, by a first user device from a base station, control information indicating an assignment of the first user device to a first scheduling request sub-pool of resources of one or more scheduling request sub-pools, and an assignment of the first user device to a first data sub-pool of resources of one or more data sub-pools, wherein the sub-pools assigned to the first user device allow a contention-based grant-free mode transmission from the first user device of both a data and a scheduling request at the same time via different resources, wherein for at least a plurality of user devices no two user devices are assigned to both a same data sub-pool and a same scheduling request sub-pool.

公开(公告)号：US12232179B2

公开(公告)日：2025-02-18

申请号：US17766779

申请日：2020-10-12

Applicant: Nokia Technologies Oy

Inventor： Emad Farag ,  Samuli Heikki Turtinen

IPC: H04W74/0833 ,  H04W74/00 ,  H04W76/11

Abstract: Apparatuses, methods, and computer programs for determining and using a radio network temporary identifier are disclosed. A method includes determining an offset; determining a first radio network temporary identifier based, at least partially, upon the offset; and using the first radio network temporary identifier for subsequently transmitting a message to a device.

公开(公告)号：US11445436B2

公开(公告)日：2022-09-13

申请号：US16645688

申请日：2018-08-29

Applicant: Nokia Technologies Oy

Inventor： Sami Hakola ,  Jorma Kaikkonen ,  Emad Farag

IPC: H04W48/20 ,  H04B7/06 ,  H04W24/10 ,  H04W56/00 ,  H04W72/04 ,  H04W74/08

Abstract: Various communication systems may benefit from improved cell selection. For example, it may be helpful to improve cell selection in new radio systems based on individual synchronization signal blocks meeting specific thresholds. A method may include measuring at a user equipment a cell quality of one or more cells. The method may also include detecting at the user equipment synchronization signal blocks in the one or more cells. In addition, the method may include determining at the user equipment that the synchronization signal blocks do not meet a random access channel resource selection threshold. Further, the method may include selecting at the user equipment only random access channel resources that correspond to the synchronization signal blocks meeting a cell selection threshold.