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公开(公告)号：WO2022232830A1
公开(公告)日：2022-11-03
申请号：PCT/US2022/072002
申请日：2022-04-29
Applicant: COHERE TECHNOLOGIES, INC.
Inventor： RAKIB, Shlomo Selim , HADANI, Ronny , KONS, Shachar , AMBROSE, Clayton
Abstract: Methods, systems and devices for wireless communication are described. One example method includes mapping information bits to transmission resources in a two-dimensional delay-Doppler grid In this example, the two-dimensional delay-Doppler grid includes N Doppler elements along a Doppler dimension and M delay elements along a delay dimension, and N and M are positive integers. The example method continues with converting a result of the mapping to a signal waveform, and generating an orthogonal time frequency space (OTFS) waveform by spreading the signal waveform using a spreading scheme. In some examples, the signal waveform includes an ultra-wide band (UWB) waveform.
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2.发明申请
公开(公告)号：WO2022213100A1
公开(公告)日：2022-10-06
申请号：PCT/US2022/071457
申请日：2022-03-31
Applicant: COHERE TECHNOLOGIES, INC.
Inventor： KONS, Shachar
Abstract: Methods, systems and devices for wireless communication are described. One method includes obtaining a two-dimensional delay-Doppler representation of a received wireless signal that is received over a wireless channel, determining an estimated channel response of the wireless channel from a portion of the delay-Doppler grid corresponding to a channel estimation portion, performing, using the estimated channel response, channel equalization in the delay-Doppler domain, generating, based on the channel equalization, a posteriori probability estimates of data symbols in the received wireless signal, wherein the a posteriori probability estimates are generated based on a priori feedback that is generated using an iterative process and further processing the a posteriori probability estimates of data symbols to recover information bits from the received wireless signal.
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公开(公告)号：WO2021062354A1
公开(公告)日：2021-04-01
申请号：PCT/US2020/053045
申请日：2020-09-28
Applicant: COHERE TECHNOLOGIES, INC.
Inventor： RAKIB, Shlomo Selim , HADANI, Ronny , KONS, Shachar
IPC: H04B7/0404 , H04B7/0408 , H04L5/00
Abstract: A wireless communication device includes a feed port comprising multiple input feeds, a precoding subsystem that is electrically connected to the feed port; and an antenna subsystem electrically connected to the precoding subsystem. The antenna subsystem is configured to transmit an output signal of the precoding subsystem to multiple wireless stations using multiple beams. The precoding subsystem is configured to perform a precoding operation on an input signal from the feed port, wherein the precoding operation maximizes a desired signal level to interference ratio of transmissions to the multiple wireless stations.
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4.发明申请
公开(公告)号：WO2020142520A1
公开(公告)日：2020-07-09
申请号：PCT/US2019/069115
申请日：2019-12-31
Applicant: COHERE TECHNOLOGIES, INC.
Inventor： KONS, Shachar , RAKIB, Shlomo Selim , HADANI, Ronny
Abstract: Methods, systems and devices for distributed cooperative operation of wireless cells based on sparse channel representations are described. One example method includes providing, using a server, seamless wireless connectivity in an area in which a plurality of network nodes are organized as clusters, where each network node is configured to provide wireless connectivity via N angular sectors covering a surrounding area, where N is an integer and wherein angular sectors of the plurality of network nodes collectively cover the area; controlling, by the server, network nodes in a cluster to collect channel condition information for the N angular sectors and communicate the channel condition information to the network-side server, and operating the server to use the channel condition information collected from the network nodes in the cluster to control communication for the network nodes in the cluster at a different time or a different frequency or a different spatial direction.
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5.发明申请
公开(公告)号：WO2019157230A1
公开(公告)日：2019-08-15
申请号：PCT/US2019/017127
申请日：2019-02-07
Applicant: COHERE TECHNOLOGIES, INC.
Inventor： KONS, Shachar , DELFELD, James , FANFELLE, Robert , MOLISCH, Andreas , HEBRON, Yoav
IPC: H04B7/0452 , H04B7/024 , H04B7/0417 , H04W88/02
Abstract: Device, methods and systems for aspects of channel estimation for orthogonal time frequency space (OTFS) modulation in wireless systems are described. In an aspect, a method for wireless communication may include receiving, using multiple receive antennas, from a number of user devices, non-orthogonal pilots wherein at least some transmissions of the non-orthogonal pilots from different user devices overlap in at least some time and frequency resources, estimating individual pilots from the number of user devices by computing a pilot separation filter for each antenna, and estimating the wireless channel at time and frequency resources used by the non-orthogonal pilots by filtering the receiving signal at the multiple receiver antennas.
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Patent Agency Ranking
公开(公告)号：WO2022140778A1
公开(公告)日：2022-06-30
申请号：PCT/US2021/073061
申请日：2021-12-21
Applicant: COHERE TECHNOLOGIES, INC.
Inventor： KONS, Shachar
Abstract: Methods, systems and devices for spatial multiplexing of different radio technologies are described. An example method for wireless communication includes configuring a base station of a fifth generation new radio (5G NR) radio technology cell to perform transmissions in a network according to a set of compatibility rules that allow a backward compatible operation of the base station with a 4th generation Long Term Evolution (4G LTE) radio technology, and performing transmissions or receptions in the 5G NR cell according to the configuring such that the backward compatible operation is achieved based on orthogonality in a spatial domain between transmissions or receptions in the 5G NR cell and the 4G LTE radio technology.
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公开(公告)号：WO2019241436A1
公开(公告)日：2019-12-19
申请号：PCT/US2019/036842
申请日：2019-06-12
Applicant: COHERE TECHNOLOGIES, INC.
Inventor： IBARS CASAS, Christian , DELFELD, James , HEBRON, Yoav , KONS, Shachar
Abstract: Co-existence between an Orthogonal Time Frequency Space (OTFS) modulation system and a Long Term Evolution (LTE) system is achieved by generating a number of transmission beams for a first group of user equipment operating using LTE, and a second group of user equipment operating using the OTFS protocol, and transmitting a first group of data packets formatted according to the LTE protocol to the first group of user equipment and a second group of data packets formatted according to the OTFS protocol to the second group of user equipment. The transmissions are performed by precoding and modulating the first group of data packets according to an LTE modulation scheme, and precoding and modulating the second group of data packets according to an OTFS modulation scheme.
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8.发明申请
公开(公告)号：WO2018191309A1
公开(公告)日：2018-10-18
申请号：PCT/US2018/026971
申请日：2018-04-10
Applicant: COHERE TECHNOLOGIES
Inventor： KONS, Shachar
CPC classification number: H04L27/2627 , H04L25/022 , H04L25/03159 , H04L27/12 , H04L27/2649
Abstract: Wireless communication transmission and reception techniques are described. At transmitter, source data bits are modulated into a number Nd of constellation symbols. An invertible transform is applied to the constellation symbols, thereby resulting in mapping the transformed symbols into Nd elements in the time-frequency grid. A signal resulting from the invertible transform is transmitted over a communication channel.
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公开(公告)号：WO2018064587A1
公开(公告)日：2018-04-05
申请号：PCT/US2017/054517
申请日：2017-09-29
Applicant: COHERE TECHNOLOGIES
Inventor： IBARS CASAS, Christian , KONS, Shachar , HADANI, Ronny
CPC classification number: H03M13/251 , H03M13/09 , H03M13/255 , H03M13/256 , H03M13/258 , H03M13/27 , H03M13/29 , H03M13/6362 , H03M13/6516
Abstract: A wireless communication method for transmitting wireless signals from a transmitter includes dividing bits of the transport block into a number of code blocks, wherein each code block corresponds to a bit-level of a multi-level modulation scheme used for transmission, and wherein a size of each code block is inversely proportional to a corresponding coding rate used for coding the code block.
Abstract translation: 用于从发送器发送无线信号的无线通信方法包括将传输块的比特分成多个码块，其中每个码块对应于多级调制方案的比特级 用于传输，并且其中每个码块的大小与用于编码码块的对应编码率成反比。
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公开(公告)号：WO2018031952A1
公开(公告)日：2018-02-15
申请号：PCT/US2017/046634
申请日：2017-08-11
Applicant: COHERE TECHNOLOGIES
Inventor： KONS, Shachar , HADANI, Ronny , IBARS CASAS, Christian
Abstract: A wireless communication method for transmitting wireless signals from a transmitter includes receiving information bits for transmission, segmenting the information bits into a stream of segments, applying a corresponding forward error correction (FEC) code and an interleaver to each of the stream of segments and combining outputs of the interleaving to generate a stream of symbols, processing the stream of symbols to generate a waveform, and transmitting the waveform over a communication medium.
Abstract translation: 用于从发射机发射无线信号的无线通信方法包括接收用于发射的信息比特，将信息比特分段为段的流，将相应的前向纠错（FEC）码和交织器应用于 分段流中的每一个和组合交织的输出以产生符号流，处理符号流以产生波形，并且通过通信介质发送波形。
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