Patents-Review.com
ClassID:

232705 ⎘

H04W74/0883 - CPC Classification

Classification description:

Wireless channel access, e.g. scheduled or random access; Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access for un-synchronized access

Recent Application in this class:
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2023-05-25

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20230156801
2023-05-18

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20230018439
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Resource mapping and waveform generation for uplink transmission

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20220361032
2022-11-10

Micro-power wireless access method and apparatus for internet of things for power transmission and transformation equipment

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20220279601
2022-09-01

Asynchronous channel access control of a wireless system

 #8
20210315015
2021-10-07

Multi-carrier signal transmission method, device, and system

 #9
20210160036
2021-05-27

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 #10
20210084695
2021-03-18

Method and apparatus for random access in wireless communication system and user terminal

 #11
20210058980
2021-02-25

Uplink signal transmission method and user equipment

 #12
20200314911
2020-10-01

Resource mapping and waveform generation for uplink transmission

 #13
20190254064
2019-08-15

System and method for beam failure recovery request by user equipment

 #14
20190191466
2019-06-20

Method and apparatus for random access in wireless communication system and user terminal

 #15
20190132865
2019-05-02

Service provider identity indication method and device, user equipment and access device

 #16
20190132833
2019-05-02

DATA COMMUNICATION METHOD, COMMUNICATION SYSTEM AND MOBILE TERMINAL

 #17
20190059065
2019-02-21

Communication apparatus, communication system and communication method

 #18
20180310340
2018-10-25

Multi-carrier signal transmission method, device, and system

 #19
20180092054
2018-03-29

Uplink-based mobility without downlink zone signals

 #20
20180041957
2018-02-08

Methods and apparatuses for machine-type communications in cellular networks

 #21
20180027597
2018-01-25

METHOD AND APPARATUS FOR UPLINK TRANSMISSION IN AN UNLICENSED BAND

 #22
20180020365
2018-01-18

Systems, methods and devices for uplink transmissions with reduced signaling overhead

 #23
20170331639
2017-11-16

Method, terminal, and base station for asynchronous uplink transmission

 #24
20170231013
2017-08-10

Method and device for communicating in unlicensed band

 #25
20170188356
2017-06-29

Data communication method, communication system and mobile terminal

 #26
20150189645
2015-07-02

Data communication method, communication system and mobile terminal

 #27
20120099535
2012-04-26

METHOD AND APPARATUS FOR TRANSMISSION FAILURE DETECTION IN TIME DIVISION SYNCHRONOUS CODE DIVISION MULTIPLE ACCESS (TD-SCDMA) NETWORKS

 #28
20110128894
2011-06-02

Method and system for call setup in an asynchronous frequency hopping digital two-way communication system

 #29
20100177708
2010-07-15

Apparatus and method for establishing data communication in a time-synchronized mesh wireless network during time synchronization failures

 #30
20100150086
2010-06-17

Mobile communication method and radio base station

 #31
20100034177
2010-02-11

Two-tier random backoff and combined random backoff and transmit power control in wireless networks

 #32
20090316811
2009-12-24

Data communication method, communication system and mobile terminal

 #33
20090154404
2009-06-18

PACKET COMMUNICATION METHOD, MOBILE STATION, AND RADIO BASE STATION

 #34
20090109919
2009-04-30

Random access cyclic prefix dimensioning in wireless networks

 #35
20080108303
2008-05-08

Radio base station, relay station and radio communication method

 #36
20060045047
2006-03-02

Random access method in multi-cell OFDMA networks