Version: 2024.08
Loading Scheme...
CPC | COOPERATIVE PATENT CLASSIFICATION | |||
| H04J | MULTIPLEX COMMUNICATION (transmission in general H04B; 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; stereophonic systems H04S) [2018-08] NOTE
WARNING
|
H04J 1/00 |
H04J 1/02 | . | Details [2013-01] |
H04J 1/04 | . . | Frequency-transposition arrangements {(modulation with carrier or side-band suppression H03C 1/52, H03C 1/60; single-band suppression H04B 1/00, H04B 15/00; telegraphic communication H04L 27/02, H04L 25/49; transference of modulation from one carrier to another, e.g. frequency- changing H03D 7/00; demodulation or transference of modulation of modulated electromagnetic waves H03D 9/00)} [2013-01] |
H04J 1/045 | . . . | {Filters applied to frequency transposition} [2013-01] |
H04J 1/05 | . . . | using digital techniques [2013-01] |
H04J 1/06 | . . | Arrangements for supplying the carrier waves {; Arrangements for supplying synchronisation signals (synchronisation in general H03B; frequency multiplication H03B 19/00, H03B 21/00; mixing H03D 7/00, H03D 9/00; carrier supply H04L 5/10)} [2023-08] |
H04J 1/065 | . . . | {Synchronisation of carrier sources at the receiving station with the carrier source at the transmitting station} [2013-01] |
H04J 1/08 | . . |
H04J 1/085 | . . . | {Terminal station; Combined modulator and demodulator circuits} [2013-01] |
H04J 1/10 | . . |
H04J 1/12 | . . |
H04J 1/14 | . . | Arrangements providing for calling or supervisory signals [2013-01] |
H04J 1/16 | . . | Monitoring arrangements {(for transmission in general H04B 17/00; for amplifiers H03F 1/52, H03F 1/523)} [2013-01] |
H04J 1/18 | . | in which all the carriers are amplitude-modulated (H04J 1/02 takes precedence {in telephony H04Q 11/02, H04Q 11/023; in stereophony H04H; in telegraphy H04L 5/06; in telemetry G08C 15/02, G08C 15/04}) [2014-02] |
H04J 1/20 | . | in which at least one carrier is angle-modulated (H04J 1/02 takes precedence; FM without multiplex H04B 1/00, H04B 14/006, H04B 15/00; PSK H04L 5/12; impulse-modulation without multiplex H04B 14/02; time-division multiplexing for data transmission H04L 5/22; telemetry G08C 15/06 - G08C 15/12; telephony H04Q 11/00, H04Q 11/04, H04Q 11/0407) [2016-05] |
H04J 3/00 | Time-division multiplex systems (H04J 14/00 takes precedence; relay systems H04B 7/14; selecting techniques H04Q) [2013-01] |
H04J 3/02 | . |
H04J 3/025 | . . |
H04J 3/04 | . . | Distributors combined with modulators or demodulators {(pulse distributors in general H03K 5/15; pulse counters H03K 21/00 - H03K 29/06; for telegraphy H04L 5/22, H04L 13/00 - H04L 23/00, H04L 25/45; for telephony H04Q 11/04)} [2016-05] |
H04J 3/042 | . . . | {Distributors with electron or gas discharge tubes} [2013-01] |
H04J 3/045 | . . . | {Distributors with CRT} [2013-01] |
H04J 3/047 | . . . | {Distributors with transistors or integrated circuits} [2013-01] |
H04J 3/06 | . . |
H04J 3/0602 | . . . | {Systems characterised by the synchronising information used} [2013-01] |
H04J 3/0605 | . . . . | {Special codes used as synchronising signal} [2013-01] |
H04J 3/0608 | . . . . . | {Detectors therefor, e.g. correlators, state machines} [2013-01] |
H04J 3/0611 | . . . . . | {PN codes (H04J 3/0608 takes precedence)} [2013-01] |
H04J 3/0614 | . . . . | {the synchronising signal being characterised by the amplitude, duration or polarity} [2013-01] |
H04J 3/0617 | . . . . | {the synchronising signal being characterised by the frequency or phase} [2013-01] |
H04J 3/062 | . . . | {Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers (pulse-stuffing H04J 3/07; asynchronous-synchronous conversion H04L 5/24; speed conversion H04L 25/05; speed conversion in computers G06F 5/06)} [2013-01] |
H04J 3/0623 | . . . . | {Synchronous multiplexing systems, e.g. synchronous digital hierarchy/synchronous optical network (SDH/SONET), synchronisation with a pointer process} [2013-01] |
H04J 3/0626 | . . . . | {plesiochronous multiplexing systems, e.g. plesiochronous digital hierarchy [PDH], jitter attenuators} [2013-01] |
H04J 3/0629 | . . . . . | {in a network, e.g. in combination with switching or multiplexing, slip buffers} [2013-01] |
H04J 3/0632 | . . . . | {Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES] (queuing arrangements in packet switching elements H04L 49/90; synchronising systems for the synchronous transmission of a pulse code modulated video signal with one or more other pulse code modulated signals H04N 7/56)} [2016-05] |
H04J 3/0635 | . . . | {Clock or time synchronisation in a network (timer in protocols H04L 69/28)} [2013-01] |
H04J 3/0638 | . . . . | {Clock or time synchronisation among nodes; Internode synchronisation (synchronization for ring networks H04L 12/422; data switching networks with synchronous transmission H04L 12/43)} [2013-01] |
H04J 3/0641 | . . . . . | {Change of the master or reference, e.g. take-over or failure of the master} [2013-01] |
H04J 3/0644 | . . . . . | {External master-clock} [2013-01] |
H04J 3/0647 | . . . . . | {Synchronisation among TDM nodes} [2013-01] |
H04J 3/065 | . . . . . . | {using timestamps} [2013-01] |
H04J 3/0652 | . . . . . | {Synchronisation among time division multiple access [TDMA] nodes, e.g. time triggered protocol [TTP] (bus network with centralized control in which slots are of a TDMA packet structure H04L 12/4035)} [2013-01] |
H04J 3/0655 | . . . . . . | {using timestamps} [2013-01] |
H04J 3/0658 | . . . . . | {Clock or time synchronisation among packet nodes} [2013-01] |
H04J 3/0661 | . . . . . . | {using timestamps} [2013-01] |
H04J 3/0664 | . . . . . . . | {unidirectional timestamps} [2013-01] |
H04J 3/0667 | . . . . . . . | {Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays (arrangements for monitoring round trip delays in packet switching networks H04L 43/0864)} [2016-05] |
H04J 3/067 | . . . . . . . | {Details of the timestamp structure} [2013-01] |
H04J 3/0676 | . . . . | {Mutual} [2013-01] |
H04J 3/0679 | . . . . | {by determining clock distribution path in a network} [2013-01] |
H04J 3/0682 | . . . . | {by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging} [2013-01] |
H04J 3/0685 | . . . . | {Clock or time synchronisation in a node; Intranode synchronisation} [2013-01] |
H04J 3/0688 | . . . . . | {Change of the master or reference, e.g. take-over or failure of the master} [2013-01] |
H04J 3/0691 | . . . . . | {Synchronisation in a TDM node} [2013-01] |
H04J 3/0694 | . . . . . | {Synchronisation in a TDMA node, e.g. TTP} [2013-01] |
H04J 3/0697 | . . . . . | {Synchronisation in a packet node} [2013-01] |
H04J 3/07 | . . . | using pulse stuffing for systems with different or fluctuating information rates {or bit rates} [2013-01] |
H04J 3/08 | . . | Intermediate station arrangements, e.g. for branching, for tapping-off [2013-01] |
H04J 3/085 | . . . | {for ring networks, e.g. SDH/SONET rings, self-healing rings, meashed SDH/SONET networks} [2013-01] |
H04J 3/10 | . . | Arrangements for reducing cross-talk between channels [2013-01] |
H04J 3/12 | . . | Arrangements providing for calling or supervisory signals [2013-01] |
H04J 3/125 | . . . | {One of the channel pulses or the synchronisation pulse is also used for transmitting monitoring or supervisory signals} [2013-01] |
H04J 3/14 | . . |
H04J 3/16 | . |
H04J 3/1605 | . . | {Fixed allocated frame structures} [2013-01] |
H04J 3/1611 | . . . | {Synchronous digital hierarchy [SDH] or SONET (H04J 3/1664 takes precedence for interactions with OTN)} [2013-01] |
H04J 3/1623 | . . . | {Plesiochronous digital hierarchy [PDH]} [2013-01] |
H04J 3/1629 | . . . . | {Format building algorithm} [2013-01] |
H04J 3/1635 | . . . . | {Format conversion, e.g. CEPT/US} [2013-01] |
H04J 3/1641 | . . . . | {Hierarchical systems} [2013-01] |
H04J 3/1647 | . . . . | {Subrate or multislot multiplexing} [2013-01] |
H04J 3/1652 | . . . | {Optical Transport Network [OTN]} [2013-01] |
H04J 3/1658 | . . . . | {carrying packets or ATM cells; (H04J 3/1664 takes precedence for payloads with different packet types)} [2015-11] |
H04J 3/1664 | . . . . | {carrying hybrid payloads, e.g. different types of packets or carrying frames and packets in the paylaod} [2013-01] |
H04J 3/167 | . . . . | {interaction with SDH/SONET, e.g. carrying SDH/SONET frames, interfacing with SDH/SONET (H04J 3/1664 takes precedence)} [2013-01] |
H04J 3/1676 | . . | {Time-division multiplex with pulse-position, pulse-interval, or pulse-width modulation} [2013-01] |
H04J 3/1682 | . . | {Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers} [2013-01] |
H04J 3/1688 | . . . | {the demands of the users being taken into account after redundancy removal, e.g. by predictive coding, by variable sampling (reducing bandwidth of signals in general H04B 1/66; in PCM-systems H04B 14/046; removal of redundancy in telegraph communication H03M 7/30)} [2013-01] |
H04J 3/1694 | . . | {Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers (Passive Optical Networks H04Q 11/0062)} [2013-01] |
H04J 3/17 | . | in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI {(speech analysis or identification G10L)} [2013-01] |
H04J 3/172 | . . | {Digital speech interpolation, i.e. DSI} [2013-01] |
H04J 3/175 | . . | {Speech activity or inactivity detectors (echo suppressors H04B 3/20)} [2013-01] |
H04J 3/177 | . . | {Freeze-out systems, e.g. taking away active sources from transmission} [2013-01] |
H04J 3/18 | . | using frequency compression and subsequent expansion of the individual signals [2013-01] |
H04J 3/20 | . | using resonant transfer [2013-01] |
H04J 3/22 | . | in which the sources have different rates or codes {(simultaneous speech and digital data or video transmission H04M 11/06; see provisional also H04J 3/16)} [2013-01] |
H04J 3/24 | . | in which the allocation is indicated by an address {the different channels being transmitted sequentially}(H04J 3/17 takes precedence; in computers G06F 12/00, G06F 13/00 {code multiplex systems H04J 13/00; selecting techniques H04Q; relay systems H04B 7/14}) [2013-01] |
H04J 3/242 | . . | {the frames being of variable length} [2013-01] |
H04J 3/245 | . . | {in which the allocation protocols between more than two stations share the same transmission medium (stations for satellite systems H04B 7/185)} [2013-01] |
H04J 3/247 | . . | {ATM or packet multiplexing} [2013-01] |
H04J 3/26 | . . | in which the information and the address are simultaneously transmitted [2013-01] |
H04J 4/00 | Combined time-division and frequency-division multiplex systems (H04J 13/00 takes precedence {; data transmission H04L 5/26; telemetry G08C 15/00}) [2017-08] |
H04J 7/00 | Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels [2013-01] |
H04J 7/02 | . | in which the polarity of the amplitude is characteristic [2013-01] |
H04J 9/00 | Multiplex systems in which each channel is represented by a different type of modulation of the carrier [2013-01] |
H04J 11/00 |
H04J 2011/0003 | . | {Combination with other multiplexing techniques} [2013-01] |
H04J 2011/0006 | . . | {with CDM/CDMA} [2013-01] |
H04J 2011/0009 | . . | {with FDM/FDMA} [2013-01] |
H04J 2011/0013 | . . | {with TDM/TDMA} [2013-01] |
H04J 2011/0016 | . . | {with FDM/FDMA and TDM/TDMA} [2013-01] |
H04J 2011/002 | . . | {Delay multiplexing} [2013-01] |
H04J 11/0023 | . | {Interference mitigation or co-ordination (direct sequence spread spectrum [DSSS] systems H04B 1/7097; frequency hopping H04B 1/713; allocation criteria for ingress interference avoidance H04L 5/0062; frequency allocation criteria for requirements on out-of-channel emissions H04L 5/0066; arrangements for removing intersymbol interference or baseband equalisers H04L 25/03006; peak power aspects in multicarrier modulation H04L 27/2614; power management H04W 52/00; traffic scheduling H04W 72/54, H04W 72/541)} [2023-01] |
H04J 11/0026 | . . | {of multi-user interference} [2013-01] |
H04J 11/003 | . . . | {at the transmitter (transmission to multiple receive units in multiple input multiple output [MIMO] H04B 7/0452; transmit antenna weighting H04B 7/0615)} [2013-01] |
H04J 11/0033 | . . . . | {by pre-cancellation of known interference, e.g. using a matched filter, dirty paper coder or Thomlinson-Harashima precoder (correlative coding in synchronous or start-stop systems H04L 25/497)} [2013-01] |
H04J 11/0036 | . . . | {at the receiver} [2013-01] |
H04J 11/004 | . . . . | {using regenerative subtractive interference cancellation} [2013-01] |
H04J 11/0043 | . . . . . | {by grouping or ordering the users} [2013-01] |
H04J 11/0046 | . . . . | {using joint detection algorithms} [2013-01] |
H04J 11/005 | . . | {of intercell interference} [2013-01] |
H04J 11/0053 | . . . | {using co-ordinated multipoint transmission/reception (co-ordinated antenna or beam-forming aspects H04B 7/022)} [2013-01] |
H04J 11/0056 | . . . | {Inter-base station aspects} [2013-01] |
H04J 11/0059 | . . . | {Out-of-cell user aspects} [2013-01] |
H04J 11/0063 | . . | {of multipath interference, e.g. Rake receivers} [2013-01] |
H04J 11/0066 | . . | {of narrowband interference (narrowband interference reduction H04B 1/1036)} [2013-01] |
H04J 11/0069 | . | {Cell search, i.e. determining cell identity [cell-ID] (design of multiplexing codes H04J 13/00; processing access restriction or access information H04W 48/16; discovery of network devices for network data management H04W 8/005; sounding signals for channel estimation H04L 25/0226; structure of reference signals in multicarrier modulation systems H04L 27/2613; frame, time or carrier synchronisation in multicarrier modulation systems H04L 27/2655)} [2013-01] |
H04J 11/0073 | . . | {Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group} [2013-01] |
H04J 11/0076 | . . | {Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group} [2013-01] |
H04J 11/0079 | . . | {Acquisition of downlink reference signals, e.g. detection of cell-ID} [2013-01] |
H04J 11/0083 | . . | {Multi-mode cell search, i.e. where several modes or systems can be used, e.g. backwards compatible, dual mode or flexible systems} [2013-01] |
H04J 11/0086 | . . | {Search parameters, e.g. search strategy, accumulation length, range of search, thresholds (code acquisition in DSSS H04B 1/7075)} [2013-01] |
H04J 11/0089 | . . | {Search hardware arrangements, e.g. sharing of correlators to reduce complexity} [2013-01] |
H04J 11/0093 | . . | {Neighbour cell search} [2013-01] |
H04J 2011/0096 | . | {Network synchronisation} [2013-01] |
| H04J 13/00 | NOTE
|
H04J 13/0003 | . | {Code application, i.e. aspects relating to how codes are applied to form multiplexed channels} [2013-01] |
| H04J 13/0007 | . | {Code type} [2013-01] NOTE
|
H04J 13/0011 | . . | {Complementary} [2013-01] |
H04J 13/0014 | . . . | {Golay} [2013-01] |
H04J 13/0018 | . . | {Chaotic} [2013-01] |
H04J 13/0022 | . . | {PN, e.g. Kronecker} [2013-01] |
H04J 13/0025 | . . . | {M-sequences} [2013-01] |
H04J 13/0029 | . . . | {Gold} [2013-01] |
H04J 13/0033 | . . . | {Kasami} [2013-01] |
H04J 2013/0037 | . . | {Multilevel codes} [2013-01] |
H04J 13/004 | . . | {Orthogonal} [2013-01] |
H04J 13/0044 | . . . | {OVSF [orthogonal variable spreading factor]} [2013-01] |
H04J 13/0048 | . . . | {Walsh} [2013-01] |
H04J 13/0051 | . . . | {Orthogonal gold} [2013-01] |
H04J 13/0055 | . . | {ZCZ [zero correlation zone]} [2013-01] |
H04J 13/0059 | . . . | {CAZAC [constant-amplitude and zero auto-correlation]} [2013-01] |
H04J 13/0062 | . . . . | {Zadoff-Chu} [2013-01] |
H04J 13/0066 | . . . . | {GCL [generalized chirp-like] sequences} [2013-01] |
H04J 13/007 | . . . | {LAS, i.e. LA, LS and LAS codes} [2013-01] |
H04J 13/0074 | . | {Code shifting or hopping} [2013-01] |
H04J 13/0077 | . | {Multicode, e.g. multiple codes assigned to one user} [2013-01] |
H04J 2013/0081 | . . | {with FDM/FDMA} [2013-01] |
H04J 2013/0085 | . . | {with TDM/TDMA} [2013-01] |
H04J 2013/0088 | . . | {with FDM/FDMA and TDM/TDMA} [2013-01] |
H04J 2013/0092 | . . | {Delay multiplexing} [2013-01] |
H04J 2013/0096 | . | {Network synchronisation} [2013-01] |
H04J 13/10 | . | Code generation [2013-01] |
H04J 13/102 | . . | {Combining codes} [2013-01] |
H04J 13/105 | . . . | {by extending} [2013-01] |
H04J 13/107 | . . . | {by concatenation} [2013-01] |
H04J 13/12 | . . | Generation of orthogonal codes [2013-01] |
H04J 13/14 | . . | Generation of codes with a zero correlation zone [2013-01] |
H04J 13/16 | . | Code allocation [2013-01] |
H04J 2013/165 | . . | {Joint allocation of code together with frequency or time} [2013-01] |
H04J 13/18 | . . | Allocation of orthogonal codes [2013-01] |
H04J 13/20 | . . . | having an orthogonal variable spreading factor [OVSF] [2013-01] |
H04J 13/22 | . . | Allocation of codes with a zero correlation zone [2013-01] |
| H04J 14/00 | Optical multiplex systems [2023-08] WARNING
|
H04J 14/002 | . | {Coherencemultiplexing} [2013-01] |
H04J 14/005 | . | {Optical Code Multiplex} [2013-01] |
| H04J 14/02 | . | Wavelength-division multiplex systems [2023-08] WARNING
|
H04J 14/0201 | . . | {Add-and-drop multiplexing} [2013-01] |
H04J 14/0202 | . . . | {Arrangements therefor} [2013-01] |
H04J 14/0204 | . . . . | {Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping} [2013-01] |
H04J 14/0205 | . . . . | {Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping} [2013-01] |
H04J 14/0206 | . . . . | {Express channels arrangements} [2013-01] |
H04J 14/0208 | . . . . | {Interleaved arrangements} [2013-01] |
H04J 14/0209 | . . . . | {Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers} [2013-01] |
| H04J 14/021 | . . . . | {Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]} [2023-08] WARNING
|
| H04J 14/0212 | . . . . . | {using optical switches or wavelength selective switches [WSS]} [2023-08] WARNING
|
| H04J 14/02122 | . . . . . | {Colourless, directionless or contentionless [CDC] arrangements} [2023-08] WARNING
|
| H04J 14/02126 | . . . . . | {Multicast switch arrangements} [2023-08] WARNING
|
H04J 14/0213 | . . . . | {Groups of channels or wave bands arrangements} [2013-01] |
H04J 14/0215 | . . . | {Architecture aspects} [2013-01] |
H04J 14/0216 | . . . . | {Bidirectional architectures} [2013-01] |
H04J 14/0217 | . . . . | {Multi-degree architectures, e.g. having a connection degree greater than two} [2013-01] |
H04J 14/0219 | . . . . | {Modular or upgradable architectures} [2013-01] |
H04J 14/022 | . . . . | {For interconnection of WDM optical networks} [2013-01] |
| H04J 14/0221 | . . | {Power control, e.g. to keep the total optical power constant} [2023-08] WARNING
|
| H04J 14/02212 | . . . | {by addition of a dummy signal} [2023-08] WARNING
|
| H04J 14/02214 | . . . | {by re-allocation of data channels} [2023-08] WARNING
|
| H04J 14/02216 | . . . | {by gain equalization} [2023-08] WARNING
|
| H04J 14/02218 | . . . | {Centralized control} [2023-08] WARNING
|
| H04J 14/02219 | . . . | {Distributed control} [2023-08] WARNING
|
H04J 14/0223 | . . | {Conversion to or from optical TDM} [2013-01] |
H04J 14/0224 | . . | {Irregular wavelength spacing, e.g. to accommodate interference to all wavelengths} [2017-05] |
H04J 14/0226 | . . | {Fixed carrier allocation, e.g. according to service} [2013-01] |
H04J 14/0227 | . . | {Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation} [2015-07] |
H04J 14/0228 | . . . | {Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths} [2015-07] |
H04J 14/023 | . . . . | {in WDM passive optical networks [WDM-PON]} [2013-01] |
H04J 14/0232 | . . . . . | {for downstream transmission} [2015-07] |
H04J 14/0234 | . . . . . . | {using multiple wavelengths} [2015-07] |
H04J 14/0235 | . . . . . | {for upstream transmission} [2015-07] |
H04J 14/0236 | . . . . . . | {using multiple wavelengths} [2015-07] |
H04J 14/0238 | . . . | {Wavelength allocation for communications one-to-many, e.g. multicasting wavelengths} [2015-07] |
H04J 14/0239 | . . . . | {in WDM-PON sharing multiple downstream wavelengths for groups of optical network units [ONU], e.g. multicasting wavelengths} [2013-01] |
H04J 14/0241 | . . . | {Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths} [2015-07] |
H04J 14/0242 | . . . . | {in WDM-PON} [2013-01] |
H04J 14/0245 | . . . . . | {for downstream transmission, e.g. optical line terminal [OLT] to ONU} [2015-07] |
H04J 14/0246 | . . . . . . | {using one wavelength per ONU} [2015-07] |
H04J 14/0247 | . . . . . . | {Sharing one wavelength for at least a group of ONUs} [2015-07] |
H04J 14/0249 | . . . . . | {for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU} [2015-07] |
H04J 14/025 | . . . . . . | {using one wavelength per ONU, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU} [2015-07] |
H04J 14/0252 | . . . . . . | {Sharing one wavelength for at least a group of ONUs, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU} [2015-07] |
H04J 2014/0253 | . . . . . | {Allocation of downstream wavelengths for upstream transmission} [2023-08] |
| H04J 14/0254 | . . . | {Optical medium access} [2023-08] WARNING
|
H04J 14/0256 | . . . . | {at the optical channel layer} [2013-01] |
H04J 14/0257 | . . . . . | {Wavelength assignment algorithms} [2013-01] |
H04J 14/0258 | . . . . . | {Wavelength identification or labelling} [2015-07] |
H04J 14/026 | . . . . . | {using WDM channels of different transmission rates} [2013-01] |
H04J 14/0261 | . . . . | {at the optical multiplex section layer} [2013-01] |
H04J 14/0263 | . . . . . | {Multiplex section layer wavelength assignment algorithms} [2013-01] |
H04J 14/0264 | . . . . . | {Multiplex identification or labelling} [2013-01] |
H04J 14/0265 | . . . . . | {Multiplex arrangements in bidirectional systems, e.g. interleaved allocation of wavelengths or allocation of wavelength groups} [2013-01] |
H04J 14/0267 | . . . . | {Optical signaling or routing} [2023-08] |
H04J 14/0268 | . . . . . | {Restoration of optical paths, e.g. p-cycles} [2023-08] |
H04J 14/0269 | . . . . . | {using tables for routing} [2023-08] |
H04J 14/0271 | . . . . . | {Impairment aware routing} [2013-01] |
H04J 14/0272 | . . . . | {Transmission of OAMP information} [2023-08] |
H04J 14/0273 | . . . . . | {using optical overhead, e.g. overhead processing} [2013-01] |
H04J 14/0275 | . . . . . | {using an optical service channel} [2013-01] |
H04J 14/0276 | . . . . . | {using pilot tones} [2013-01] |
| H04J 14/02762 | . . . . | {Spectrum slot allocation} [2023-08] WARNING
|
| H04J 14/02764 | . . . . | {Multiplex arrangements for radio-frequency networks access; policies therefor (radio over fibre arrangement H04B 10/2575)} [2023-08] WARNING
|
| H04J 14/0278 | . . | {WDM optical network architectures} [2023-08] WARNING
|
H04J 14/0279 | . . . | {WDM point-to-point architectures} [2013-01] |
H04J 14/028 | . . . | {WDM bus architectures} [2013-01] |
H04J 14/0282 | . . . | {WDM tree architectures} [2013-01] |
H04J 14/0283 | . . . | {WDM ring architectures} [2013-01] |
H04J 14/0284 | . . . | {WDM mesh architectures} [2013-01] |
H04J 14/0286 | . . . | {WDM hierarchical architectures} [2013-01] |
| H04J 14/02862 | . . . | {WDM data centre network [DCN] architectures} [2023-08] WARNING
|
H04J 14/0287 | . . | {Protection in WDM systems} [2013-01] |
H04J 14/0289 | . . . | {Optical multiplex section protection} [2013-01] |
H04J 14/029 | . . . . | {Dedicated protection at the optical multiplex section (1+1)} [2013-01] |
H04J 14/0291 | . . . . | {Shared protection at the optical multiplex section (1:1, n:m)} [2013-01] |
H04J 14/0293 | . . . | {Optical channel protection} [2013-01] |
H04J 14/0294 | . . . . | {Dedicated protection at the optical channel (1+1)} [2013-01] |
H04J 14/0295 | . . . . | {Shared protection at the optical channel (1:1, n:m)} [2013-01] |
H04J 14/0297 | . . . | {Optical equipment protection} [2013-01] |
H04J 14/0298 | . . | {with sub-carrier multiplexing [SCM]} [2013-01] |
| H04J 14/03 | . . | {WDM arrangements (ADM arrangements H04J 14/0202; WDM network architectures H04J 14/0278)} [2023-08] WARNING
|
| H04J 14/04 | . | Mode multiplex systems [2023-08] WARNING
|
| H04J 14/05 | . | {Spatial multiplexing systems} [2023-08] WARNING
|
| H04J 14/052 | . . | {using multicore fibre (mode multiplex systems H04J 14/04)} [2023-08] WARNING
|
H04J 14/06 | . | Polarisation multiplex systems [2013-01] |
| H04J 14/07 | . | {Orbital angular momentum [OAM] multiplex systems} [2023-08] WARNING
|
H04J 14/08 | . | Time-division multiplex systems [2013-01] |
H04J 14/083 | . . | {Add and drop multiplexing} [2013-01] |
H04J 14/086 | . . | {Medium access (H04J 3/16 takes precedence)} [2013-01] |
H04J 99/00 | Subject matter not provided for in other groups of this subclass [2022-08] |
H04J 2203/00 | Aspects of optical multiplex systems other than those covered by H04J 14/05 and H04J 14/07 [2023-08] |
H04J 2203/0001 | . | Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH [2013-01] |
H04J 2203/0003 | . . | Switching fabrics, e.g. transport network, control network [2013-01] |
H04J 2203/0005 | . . . | Switching elements [2013-01] |
H04J 2203/0007 | . . . . | Space switch details [2013-01] |
H04J 2203/0008 | . . . . | Time switch details [2013-01] |
H04J 2203/001 | . . . . | using a shared central buffer [2013-01] |
H04J 2203/0012 | . . . | Switching modules and their interconnections [2013-01] |
H04J 2203/0014 | . . . . | Clos [2013-01] |
H04J 2203/0016 | . . . . | Crossbar [2013-01] |
H04J 2203/0017 | . . . . | Parallel switch planes [2013-01] |
H04J 2203/0019 | . . . | Multicast/broadcast capabilities [2013-01] |
H04J 2203/0021 | . . . | Control mechanisms [2013-01] |
H04J 2203/0023 | . . . | Routing/path finding [2013-01] |
H04J 2203/0025 | . . . | Peripheral units [2013-01] |
H04J 2203/0026 | . . . | Physical details [2013-01] |
H04J 2203/0028 | . . | Local loop [2013-01] |
H04J 2203/003 | . . . | Medium of transmission, e.g. fibre, cable, radio [2013-01] |
H04J 2203/0032 | . . . . | Fibre [2013-01] |
H04J 2203/0033 | . . . . | Metallic [2013-01] |
H04J 2203/0035 | . . . . | Radio [2013-01] |
H04J 2203/0037 | . . . . | Satellite [2013-01] |
H04J 2203/0039 | . . . | Topology [2013-01] |
H04J 2203/0041 | . . . . | Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics [2013-01] |
H04J 2203/0042 | . . . . | Ring [2013-01] |
H04J 2203/0044 | . . . . | Bus, e.g. DQDB [2013-01] |
H04J 2203/0046 | . . | User Network Interface [2013-01] |
H04J 2203/0048 | . . . | Network termination, e.g. NT1, NT2, PBX [2013-01] |
H04J 2203/005 | . . . | Terminal equipment, e.g. codecs, synch [2013-01] |
H04J 2203/0051 | . . | Network Node Interface, e.g. tandem connections, transit switching [2013-01] |
H04J 2203/0053 | . . . | Routing [2013-01] |
H04J 2203/0055 | . . . | Network design, dimensioning, topology or optimisation [2013-01] |
H04J 2203/0057 | . . | Operations, administration and maintenance [OAM] [2013-01] |
H04J 2203/0058 | . . . | Network management, e.g. Intelligent nets [2013-01] |
H04J 2203/006 | . . . | Fault tolerance and recovery [2013-01] |
H04J 2203/0062 | . . | Testing [2013-01] |
H04J 2203/0064 | . . | Admission Control [2013-01] |
H04J 2203/0066 | . . . | Signalling, e.g. protocols, reference model [2013-01] |
H04J 2203/0067 | . . . | Resource management and allocation [2013-01] |
H04J 2203/0069 | . . . . | Channel allocation [2013-01] |
H04J 2203/0071 | . . . . | Monitoring [2013-01] |
H04J 2203/0073 | . . | Services, e.g. multimedia, GOS, QOS [2013-01] |
H04J 2203/0075 | . . . | Connection-oriented [2013-01] |
H04J 2203/0076 | . . . | Channel characteristics, e.g. BER, error detection, error correction, delay, jitter [2013-01] |
H04J 2203/0078 | . . . | Support of N-ISDN [2013-01] |
H04J 2203/008 | . . . | Support of video [2013-01] |
H04J 2203/0082 | . . . | Interaction of SDH with non-ATM protocols [2013-01] |
H04J 2203/0083 | . . . . | Support of the IP protocol [2013-01] |
H04J 2203/0085 | . . . . | Support of Ethernet [2013-01] |
H04J 2203/0087 | . . . | Support of voice [2013-01] |
H04J 2203/0089 | . . | Multiplexing, e.g. coding, scrambling, SONET [2013-01] |
H04J 2203/0091 | . . . | Time slot assignment [2013-01] |
H04J 2203/0092 | . . . | Code Division Multiple Access [CDMA] [2013-01] |
H04J 2203/0094 | . . . | Virtual Concatenation [2013-01] |
H04J 2203/0096 | . . . | Serial Concatenation [2013-01] |
H04J 2203/0098 | . . | Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management [2013-01] |
H04J 2211/00 | Orthogonal indexing scheme relating to orthogonal multiplex systems [2013-01] |
H04J 2211/001 | . | using small cells within macro cells, e.g. femto, pico or microcells [2017-08] |
H04J 2211/003 | . | within particular systems or standards [2013-01] |
H04J 2211/005 | . . | Long term evolution [LTE] [2013-01] |
H04J 2211/006 | . . | Single carrier frequency division multiple access [SC FDMA] [2013-01] |
H04J 2211/008 | . . | Interleaved frequency division multiple access [IFDMA] [2013-01] |