F-Term-List

H04L1/00-1/00@Z;1/08-1/24

AA00
LOCATIONS WHERE ERRORS ARE DETECTED

AA01

AA02

AA03

AA04

AA05

. Receiving end

. Transmitting end

. Both receiving and transmitting ends

. Relay points

. Self-detection within apparatuses

BA00
CODE STRUCTURES FOR ERROR DETECTION AND CORRECTION

BA01

BA02

BA03

BA04

BA05

BA06

BA07

BA08

BA09

BA10

. Error-detection codes

. . Parities (i.e., excluding horizontal or vertical parities)

. . Checksum and group-counting error-detection codes

. . R-out-of-n codes and prescribed spaces (e.g., nCr codes)

. Error detection correction codes

. . Block codes (e.g., cyclic-redundancy codes [CRC])

. . . Bose-Chaudhuri-Hocquenghem (BCH) codes

. . . Reed-Solomon codes

. . . Hamming codes

. . Convolutional codes

BA11

BA12

BA13

. . . Viterbi decoding codes

. . . Hagelbarger codes

. . . Self-orthogonal codes

CA00
REDUNDANCY STRUCTURE OF ACTIVE SPARE EQUIPMENT

CA01

CA02

CA03

CA04

CA05

CA06

CA07

. Configuration of redundant systems

. Configuration of redundant-system components

. . Transmitter-receiver (including modems and camera-control units [CCU])

. . Transmitters

. . Receivers

. . Circuits (e.g., transmission paths)

. . . Loop transmission paths

DA00
REDUNDANCY THAT IS ADDED TO TRANSMISSION SYSTEMS

DA01

DA02

DA03

DA04

DA05

DA06

. Information feedback (e.g., echo-checks)

. Decision feedback (e.g., negative acknowledgement [NACK])

. Repetition of transmission

. . Continuous-reversal transmission

. . Multiple continuous transmission

. Parallel transmission

EA00
ERROR-DISCRIMINATION METHODS

EA01

EA02

EA03

EA04

EA05

EA06

EA07

EA08

. Mathematical operations

. . Generator polynomial operations

. . Majority-logic operations

. . Comparison of pulse or data numbers

. Detection of a breach of sequence

. Detection of breaches of transmission-line code rules

. Detection of synchronization errors (e.g., out of synchronization)

. Comparison between the number of errors or error rate and reference values

FA00
MEASURES AFTER ERRORS DETECTION AND CONTINUOUS ERROR PREVENTION

FA01

FA02

FA03

FA04

FA05

FA06

FA07

FA08

FA09

FA10

. Switching between active devices and spare devices

. Transmission of an error report to the receiving end

. Retransmission

. . Retransmission by going back to the N block

. . Retransmission of the blocks containing errors only

. Interpolation

. . Previous values or fixed values

. Blocking or cancellation of data or output that cannot be corrected

. Alarms

. Resynchronization

FA11

FA12

FA13

FA14

FA15

FA16

. Adaptive control

. . Changing of the transmission rate

. . Changing of the block length

. Resetting to initial conditions

. Continuous error prevention

. . Interleaving

GA00
MEASUREMENT OR TESTING FOR ERRORS

GA01

GA02

GA03

GA04

GA05

GA06

. Line characteristics

. . Error rates

. Tests that use specific patterns

. . Tests that use psuedo-noise (PN) codes

. Wrap tests

. Error detection and testing of corrective devices

HA00
TRANSMISSION SYSTEMS IN GENERAL

HA01

HA02

HA03

HA04

HA05

HA06

HA07

HA08

HA09

HA10

. Baseband transmission

. . Bipolar transmission (e.g., Application of Metrics to Industry [AMI] codes)

. . Nonreturn-to-zero (NRZ) and return-to-zero (RZ)

. . Partial responses

. Bandwidth transmission

. . Phase-shift keying (PSK)

. . Frequency-shift keying (FSK)

. Full-duplex transmission systems

. Half-duplex transmission systems

. Multiplex transmission

5K014	DETECTION AND PREVENTION OF ERRORS IN TRANSMISSION
	H04L1/00 -1/00@Z;1/08-1/24