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A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
H
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ELECTRICITY
H01
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ELECTRIC ELEMENTS
H02
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GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03
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ELECTRONIC CIRCUITRY
H04
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ELECTRIC COMMUNICATION TECHNIQUE
H04B
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TRANSMISSION [4]
H04H
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BROADCAST COMMUNICATION (multiplex communication H04J; pictorial communication aspects of broadcast systems H04N)
H04J
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MULTIPLEX COMMUNICATION (peculiar to transmission of digital information H04L 5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N 7/08; in exchanges H04Q 11/00)
H04K
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SECRET COMMUNICATIONJAMMING OF COMMUNICATION
H04L
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TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) [4]
H04M
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TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
H04N
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PICTORIAL COMMUNICATION, e.g. TELEVISION [4]
H04Q
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SELECTING (switches, relays, selectors H01H;  wireless communication networks H04W) [1, 2009.01]
H04R
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LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERSDEAF-AID SETSPUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) [6]
H04S
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STEREOPHONIC SYSTEMS [3]
H04W
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WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M 1/72) [2009.01]
H04W 4/00
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Services specially adapted for wireless communication networksFacilities therefor [2009.01, 2018.01]
H04W 8/00
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Network data management [2009.01]
H04W 12/00
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Security arrangementsAuthenticationProtecting privacy or anonymity [2009.01, 2021.01]
H04W 16/00
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Network planning, e.g. coverage or traffic planning toolsNetwork deployment, e.g. resource partitioning or cell structures [2009.01]
H04W 24/00
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Supervisory, monitoring or testing arrangements [2009.01]
H04W 28/00
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Network traffic managementNetwork resource management [2009.01]
H04W 36/00
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Handoff or reselecting arrangements [2009.01]
H04W 36/02
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Buffering or recovering information during reselection [2009.01]
H04W 36/04
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Reselecting a cell layer in multi-layered cells [2009.01]
H04W 36/06
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Reselecting a communication resource in the serving access point [2009.01]
H04W 36/08
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Reselecting an access point [2009.01]
H04W 36/10
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Reselecting an access point controller [2009.01]
H04W 36/12
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Reselecting a serving backbone network switching or routing node [2009.01]
H04W 36/14
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Reselecting a network or an air interface [2009.01]
H04W 36/16
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Performing reselection for specific purposes [2009.01]
H04W 36/18
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. . for allowing seamless reselection, e.g. soft reselection [2009.01]
H04W 36/20
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. . for optimising the interference level [2009.01]
H04W 36/22
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. . for handling the traffic [2009.01]
H04W 36/24
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Reselection being triggered by specific parameters [2009.01]
H04W 36/26
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. . by agreed or negotiated communication parameters [2009.01]
H04W 36/28
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. . . involving a plurality of connections, e.g. multi-call or multi-bearer connections [2009.01]
H04W 36/30
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. . by measured or perceived connection quality data [2009.01]
H04W 36/32
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. . by location or mobility data, e.g. speed data [2009.01]
H04W 36/34
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Reselection control [2009.01]
H04W 36/36
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. . by user or terminal equipment [2009.01]
H04W 36/38
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. . by fixed network equipment [2009.01]
H04W 40/00
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Communication routing or communication path finding [2009.01]
H04W 48/00
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Access restriction (access security to prevent unauthorised access H04W 12/08)Network selectionAccess point selection [2009.01]
H04W 52/00
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Power management [2009.01]
H04W 56/00
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Synchronisation arrangements [2009.01]
H04W 60/00
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Affiliation to network, e.g. registrationTerminating affiliation with the network, e.g. de-registration [2009.01]
H04W 64/00
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Locating users or terminals for network management purposes, e.g. mobility management [2009.01]
H04W 68/00
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User notification, e.g. alerting or paging, for incoming communication, change of service or the like [2009.01]
H04W 72/00
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Local resource management [2009.01, 2023.01]
H04W 74/00
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Wireless channel access [2009.01]
H04W 76/00
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Connection management [2009.01, 2018.01]
H04W 80/00
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Wireless network protocols or protocol adaptations to wireless operation [2009.01]
H04W 84/00
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Network topologies [2009.01]
H04W 88/00
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Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices [2009.01]
H04W 92/00
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Interfaces specially adapted for wireless communication networks [2009.01]
H04W 99/00
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Subject matter not provided for in other groups of this subclass [2009.01]
H05
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H10
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SEMICONDUCTOR DEVICESELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR [2023.01]
H99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

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