公开(公告)号：US20210234661A1

公开(公告)日：2021-07-29

申请号：US17230593

申请日：2021-04-14

Applicant: Optis Cellular Technology, LLC

Inventor： Dae Won Lee ,  Bong Hoe KIM ,  Young Woo YUN ,  Ki Jun KIM ,  Dong Wook ROH ,  Hak Seong KIM ,  Hyun Wook PARK

IPC: H04L5/00 ,  H04L1/16 ,  H04L1/18 ,  H04L1/00

Abstract: A method for transmitting uplink signals comprises multiplexing data and first type control information to output multiplexed signals; mapping the multiplexed signals to a resource region matrix; mapping second type control information to the resource region matrix to overwrite some of the multiplexed signals mapped to specific positions of the resource region matrix corresponding to symbols which are near symbols used for reference signals; and transmitting an output sequence of the resource region matrix to the base station. The second type control information comprises at least one of an ACK/NACK information and a rank indicator (RI), and the first type control information comprises control information other than the rank indicator (RI) and the ACK/NACK information.

公开(公告)号：US10863448B2

公开(公告)日：2020-12-08

申请号：US16597175

申请日：2019-10-09

Applicant: Optis Wireless Technology, LLC

Inventor： Sadaki Futagi ,  Daichi Imamura ,  Atsushi Matsumoto ,  Takashi Iwai

IPC: H04W52/26 ,  H04L1/00 ,  H04W72/04 ,  H04L5/00 ,  H04W72/08 ,  H04L27/26

Abstract: Provided is a communication device, which is enabled to improve the throughput of a communication system by reducing the difference of a transmission power between an SCCH and an SDCH thereby to satisfy the required quality of a PAPR. In this device, an MCS selection unit (111) of a transmission unit (110) decides, with reference to a CQI lookup table, an MCS pattern (MCS1) of the SDCH, an MCS pattern (MCS2) of the SCCH and information (multiplex information) on multiplex positions on the time axes of those two channels, on the basis of the CQI information. On the basis of the MCS2 and the MCS1, encoding modulation units (112 and 113) perform encoding and modulating operations. According to the multiplex information, a channel multiplexing unit (114) time-division multiplexes the SCCH and the SDCH thereby to generate a transmission signal.

公开(公告)号：US10674401B2

公开(公告)日：2020-06-02

申请号：US16454384

申请日：2019-06-27

Applicant: Optis Wireless Technology, LLC

Inventor： Frederic Charpentier ,  Joachim Löhr

IPC: H04W28/06 ,  H04L1/18 ,  H04L12/801 ,  H04L12/835 ,  H04L29/06 ,  H04L29/08 ,  H04L5/00

Abstract: A data packet comprises a header and a payload. At least one digital signal processor is used to configure the payload to transport at least one full service data unit, one or two service data unit fragments, or at least one full service data unit and at least one service data unit fragment. A service data unit fragment is only located (i) at the beginning of the payload or at the end of the payload or (ii) at the beginning of the payload and at the end of the payload. At least one digital signal processor is used to configure a single field in the header consisting of a first bit and a second bit, even when a number of full service data units and service data unit fragments in the payload is more than two, the single field indicating whether (i) the payload begins with a fragment of a service data unit and (ii) the payload ends with a service data unit fragment. At least one digital signal processor is used to form the data packet including the configured header and the configured payload. A transmitter transmits the data packet.

公开(公告)号：US10667245B2

公开(公告)日：2020-05-26

申请号：US16010556

申请日：2018-06-18

Applicant: Optis Wireless Technology, LLC

Inventor： Jun Cheng ,  Akihiko Nishio ,  Kenichi Miyoshi

IPC: H04W72/04 ,  H04W74/08 ,  H04W72/08 ,  H04W72/10 ,  H04W36/16 ,  H04W74/00 ,  H04W88/08

Abstract: A terminal apparatus includes a receiving section to receive information, where the information specifies a number, and a generating section to generate, based on the number, a transmission signal including access signals which are consecutive in a time domain and which include an access signal and at least one duplication of the access signal. The access signals are identical in number to the number specified by the information. A transmitting section transmits the transmission signal on at least two consecutive time slots using a resource selected from resource candidates.

公开(公告)号：US10455516B2

公开(公告)日：2019-10-22

申请号：US15814169

申请日：2017-11-15

Applicant: Optis Wireless Technology, LLC

Inventor： Siego Nakao ,  Akihiko Nishio ,  Daichi Imamura

IPC: H04W52/22 ,  H04W24/04 ,  H04W74/00 ,  H04W8/08 ,  H04W52/26 ,  H04L1/16 ,  H04L1/18 ,  H04L5/00 ,  H04W28/04 ,  H04H20/71 ,  H04L1/08 ,  H04W72/04 ,  H04W84/04

Abstract: A terminal apparatus and retransmission control method reduces overhead of the uplink control channel in cases when ARQ is applied in communication that uses an uplink unit band and a plurality of downlink unit bands associated with the uplink unit band. A first condition is set in which downlink assignment control information is transmitted from a base station by a unit band group which comprises a basic unit band, which is the downlink unit band on which a broadcast channel signal including information relating to the uplink unit band is transmitted, and a second downlink unit band other than the basic unit band. A bundling unit will not transmit a response signal to the base station in certain cases.

公开(公告)号：US10341059B2

公开(公告)日：2019-07-02

申请号：US15787322

申请日：2017-10-18

Applicant: Optis Cellular Technology, LLC

Inventor： Michael Meyer ,  Johan Torsner ,  Henning Wiemann

IPC: H04L1/16 ,  H04L1/18 ,  H04L1/14 ,  H04L12/801

Abstract: A method is provided in a receiving node for handling status information of data units transmitted from a sending node to the receiving node over a radio link. The receiving node establishes that a number of data units that has been transmitted by the sending node are missing. The receiving node sends a reduced status message to the sending node over the radio link, which message is reduced such that it comprises the negative acknowledgement for a first part of missing data units and omits negative acknowledgements for the rest of the missing data units. The omitted negative acknowledgement for the rest of the missing data units will not erroneously be interpreted as correctly received data units by the sending node.

公开(公告)号：US10285205B2

公开(公告)日：2019-05-07

申请号：US15728637

申请日：2017-10-10

Applicant: Optis Wireless Technology, LLC

Inventor： Robert Baldemair ,  David Astely

IPC: H04W74/00 ,  H04W74/08

Abstract: The invention relates to devices and methods for transmitting data on a radio channel comprising to jointly encode a preamble format with a first random access configuration, forming an extended random access configuration. The extended random access configuration is then transmitted on the radio channel.

公开(公告)号：US10251186B2

公开(公告)日：2019-04-02

申请号：US15622586

申请日：2017-06-14

Applicant: Optis Wireless Technology, LLC

Inventor： Takahisa Aoyama ,  Joachim Loehr

IPC: H04W72/04 ,  H04W28/02 ,  H04W74/08 ,  H04W72/10 ,  H04W76/27 ,  H04W76/11 ,  H04W28/10 ,  H04W36/08 ,  H04W72/12 ,  H04W56/00 ,  H04W88/02 ,  H04W88/08

Abstract: A communication terminal adjusts the transmission timing of data transmitted to a base station so that the base station can receive the data within a predetermined delay time. The communication terminal includes a reception section for receiving priority of MAC control information transmitted from the base station, a priority control section for defining the relationship between the priority of the MAC control information and priority assigned to DRB and SRB, and a transmission message generation section for controlling so as to transmit information having a high priority early in accordance with the relationship between the priorities defined by the priority control section. According to the communication terminal, a comparison is made between the priority of the MAC control information and the priority assigned to the DRB and the SRB, whereby it is made possible to control what information is to be transmitted as desired.

公开(公告)号：US10230509B2

公开(公告)日：2019-03-12

申请号：US15713989

申请日：2017-09-25

Applicant: Optis Wireless Technology, LLC

Inventor： Yutaka Murakami ,  Masayuki Orihashi ,  Akihiko Matsuoka ,  Yoichi Nakagawa

IPC: H04W4/00 ,  H04L5/00 ,  H04B7/0417 ,  H04L27/26 ,  H04J11/00 ,  H04B7/0413 ,  H04W72/04 ,  H04B7/06 ,  H04B7/08 ,  H04L25/02

Abstract: A first radio signal is received that was transmitted from a first antenna at a transmitter and a second radio signal transmitted from a second antenna at the transmitter different from the first antenna. The first radio signal is converted to a first orthogonal frequency division multiplexing (OFDM) frame signal, and the second radio signal is converted to a second OFDM frame signal. The first OFDM frame signal includes a grid of multiple frequency subcarriers and time periods, each time period with the frequency carriers corresponding to a first OFDM symbol such that the first OFDM frame includes first OFDM symbols. A first OFDM symbol is carried on frequency subcarriers during a time period, and the first OFDM frame includes first reference OFDM symbols located at corresponding time-frequency resource elements in the grid. Each resource element is defined by a one of the frequency subcarriers and one of the time periods. The second OFDM frame signal is similar and includes second reference OFDM symbols sharing the same grid of frequency subcarriers and time periods as the first OFDM frame. But the second reference OFDM symbols are located at corresponding time-frequency resource elements in the grid different than the corresponding time-frequency resource elements to which the first reference OFDM signals are located their respective OFDM frame signals. The first and second reference OFDM symbols are used to demodulate the first and second OFDM frame signals.

公开(公告)号：US10218552B2

公开(公告)日：2019-02-26

申请号：US15499555

申请日：2017-04-27

Applicant: Optis Wireless Technology, LLC

Inventor： Seigo Nakao ,  Daichi Imamura

IPC: H04J11/00 ,  H04L27/26 ,  H04J13/00 ,  H04L1/16 ,  H04L25/03 ,  H04L5/00 ,  H04B1/7103 ,  H04L27/34 ,  H04L1/12 ,  H04W88/08

Abstract: A base station is provided for receiving an acknowledgement or negative acknowledgement (ACK/NACK) signal, including a transmitting unit configured to transmit a control signal using one or a plurality of CCE(s). The base station also includes a receiving unit configured to receive an ACK/NACK signal, the ACK/NACK signal being multiplied by an orthogonal sequence, by a sequence defined by a cyclic shift, and by either a first value or a second value, wherein the first value rotates a constellation of the ACK/NACK signal by 0 degrees and the second value rotates the constellation of the ACK/NACK signal by N degrees, which is different from 0 degrees.