ClassID:

223589

H04B7/028 - CPC Classification

Classification description:

Radio transmission systems, i.e. using radiation field; Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas Spatial transmit diversity using a single antenna at the transmitter

Recent Application in this class:
#1
20260040381
2026-02-05

COMMUNICATION APPARATUS, CONTROL METHOD FOR COMMUNICATION APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

#2
20250310973
2025-10-02

COVERAGE IN A HIGH FREQUENCY RANGE

#3
20250300696
2025-09-25

MECHANICAL STATE CONFIGURATION

#4
20250125840
2025-04-17

WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION TERMINAL FOR SIGNALING MULTI-USER PACKET

#5
20250039882
2025-01-30

UPLINK CONTROL SIGNALING IN CELLULAR TELECOMMUNICATION SYSTEM

#6
20240414718
2024-12-12

UPLINK CONTROL SIGNALING IN CELLULAR TELECOMMUNICATION SYSTEM

#7
20240171268
2024-05-23

Handling signals received on paths with differing numbers of hops

#8
20240135121
2024-04-25

RFID tag quantity estimation system, RFID tag quantity estimation method

#9
20230413066
2023-12-21

Management of transmission instances for energy harvesting devices

#10
20230318666
2023-10-05

Wireless communication method and wireless communication terminal for signaling multi-user packet

#11
20230247637
2023-08-03

Uplink control signaling in cellular telecommunication system

#12
20230148282
2023-05-11

IMPROVING COVERAGE IN A HIGH FREQUENCY RANGE

#13
20220239368
2022-07-28

Handling signals received on paths with differing numbers of hops

#14
20220039089
2022-02-03

Uplink control signaling in cellular telecommunication system

#15
20220029669
2022-01-27

Wireless communication method and wireless communication terminal for signaling multi-user packet

#16
20210194551
2021-06-24

Higher rank multiple input multiple output enhancements in millimeter wave and sub-Terahertz bands

#17
20210067236
2021-03-04

Method and apparatus for implementing transmission diversity using single transmitter

#18
20210058151
2021-02-25

Handling signals received on paths with differing numbers of hops

#19
20210013952
2021-01-14

Communication devices for efficient beam management

#20
20200221459
2020-07-09

Communication apparatus, communication method, and communication system

#21
20200204244
2020-06-25

Spatial redistributors and methods of redistributing mm-wave signals

#22
20200204223
2020-06-25

Wireless communication method and wireless communication terminal for signaling multi-user packet

#23
20200195314
2020-06-18

Wireless communication method and wireless communication terminal for signaling multi-user packet

#24
20200059754
2020-02-20

First portable electronic device for facilitating a proximity based interaction with a second portable electronic device

#25
20200059270
2020-02-20

Short range communication enabled object for facilitating proximity based interaction with at least one electronic device

#26
20200059269
2020-02-20

Portable electronic device for facilitating a proximity based interaction with a short range communication enabled object

#27
20200057505
2020-02-20

First portable electronic device for facilitating a proximity based interaction with a second portable electronic device based on a plurality of gesture

#28
20200044705
2020-02-06

Paired sounding reference signal transmissions in multi-transmission/reception point operation

#29
20190393930
2019-12-26

Personal on-the-move satellite communications terminal

#30
20190341973
2019-11-07

Link margin procedure for enhanced directional multigigabit (EDMG)

#31
20190334590
2019-10-31

Wireless communication method and wireless communication terminal for signaling multi-user packet

#32
20190296801
2019-09-26

Trans-horizon wireless communication system using the tropospheric evaporation duct

#33
20190246396
2019-08-08

Communication apparatus, communication method, and communication system

#34
20190238195
2019-08-01

Group-based unequal MCS schemes for a single user station in WLAN transmissions

#35
20190230594
2019-07-25

Wireless device and a method therein for performing one or more operations based on available energy

#36
20190141699
2019-05-09

Uplink control signaling in cellular telecommunication system

#37
20190124610
2019-04-25

System and method for beamformed broadcast and synchronization signals in massive multiple input multiple output communications systems

#38
20180309481
2018-10-25

Methods of beam-indexed spatial modulation

#39
20180176913
2018-06-21

Communication apparatus, communication method and communication system

#40
20180123647
2018-05-03

Method of configuring reference signal for open-loop multi-antenna transmission in wireless communication system and apparatus therefor

#41
20180035396
2018-02-01

System and method for beamformed broadcast and synchronization signals in massive multiple input multiple output communications systems

#42
20170250737
2017-08-31

Multi-mode transceiver arrangement

#43
20170164358
2017-06-08

Communication apparatus and method to generate and transmit MAC information fields

#44
20170099089
2017-04-06

Beam-change indication for channel estimation enhancement

#45
20170070978
2017-03-09

Mechanism for 256-QAM capable user equipment to operate seamlessly with a node

#46
20170034815
2017-02-02

Uplink control signaling in cellular telecommunication system

#47
20160381684
2016-12-29

Access point (AP), user station (STA) and method for spatial modulation orthogonal frequency division multiplexing (SM-OFDM) communication

#48
20160381520
2016-12-29

Interaction method and communication device

#49
20160380679
2016-12-29

Interaction method and communication device

#50
20160371990
2016-12-22

HELIDECK SURVEILLANCE TRANSCEIVER

#51
20160261330
2016-09-08

Beamforming devices and methods

#52
20160134336
2016-05-12

Wearable and/or hand-held mobile electronic device and method for directional proximity detection

#53
20160043780
2016-02-11

Horizontally polarized omnidirectional antenna and antenna device incorporating the same

#54
20150381242
2015-12-31

Radio communication system, transmitter, receiver, elevator control system, and substation facility monitoring system

#55
20150256287
2015-09-10

Mechanism for 256-QAM capable user equipment to operate seamlessly with a node

#56
20150256239
2015-09-10

Method and apparatus for transmitting feedback about channel having spatial correlation

#57
20150236880
2015-08-20

Modulation of signal field in a WLAN frame header

#58
20150229369
2015-08-13

Method and system for content-aware mapping/error protection using different spatial streams

#59
20150124794
2015-05-07

Method and system for compromise greenfield preambles for 802.11n

#60
20140321563
2014-10-30

Method and apparatus for performing communication in multi-stage beam forming system

#61
20140226754
2014-08-14

Transmission method for dual digital signal through single antenna, transmitter for dual digital signal through single antenna and receiving method for dual digital signal through single antenna

#62
20140219210
2014-08-07

Uplink control signaling in cellular telecommunication system

#63
20140148108
2014-05-29

Tunable wideband RF transmitter interface

#64
20140030986
2014-01-30

Method, circuit and contactless communication device with activated emitting

#65
20120300880
2012-11-29

Method and system for receiving radio stations

#66
20120236961
2012-09-20

Apparatus and method for cyclic delay diversity in multiple-antenna wireless communication system

#67
20120142395
2012-06-07

Radio communication system, radio terminal, radio base station and radio communication method

#68
20120099530
2012-04-26

Communication apparatus and method, computer program, and communication system enabling improved throughput for an entire plurality of users

#69
20120064916
2012-03-15

Beamforming devices and methods

#70
20120015684
2012-01-19

ANTENNA CONTROLLER DEVICE, RADIO COMMUNICATION SYSTEM, AND ANTENNA CONTROLLING METHOD

#71
20120002756
2012-01-05

Modulation of signal field in a WLAN frame header

#72
20110261774
2011-10-27

Uplink control signaling in cellular telecommunication system

#73
20110070840
2011-03-24

Handheld synthetic antenna array

#74
20100285833
2010-11-11

RF front-end circuit

#75
20100061222
2010-03-11

Method for receiving signals in multiple user system

#76
20090239551
2009-09-24

Beamforming devices and methods

#77
20080181327
2008-07-31

Apparatus and method for cyclic delay diversity in multiple-antenna wireless communication system

#78
20080025268
2008-01-31

Method and system for content-aware mapping/error protection using different spatial streams

#79
20060211379
2006-09-21

System and method for selecting and reselecting antenna direction at a transceiver

#80
20060182017
2006-08-17

Method and system for compromise greenfield preambles for 802.11n

#81
20050054313
2005-03-10

Scalable and backwards compatible preamble for OFDM systems

#82
15179847
2017-07-18

Apparatus for low power signal generator and associated methods