Dontopedia

QPSK

From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-06.)

QPSK has 31 facts recorded in Dontopedia across 8 references, with 2 live disagreements.

31 facts·26 predicates·8 sources·2 in dispute

Mostly:rdf:type(3), avoids distinguishing(2), has syms per byte(1)

Maturity scale raw canonical shape-checked rule-derived certified

Inbound mentions (8)

Other subjects in dontopedia point AT this entity as a value. These are inverse relationships — e.g. "X motherOf this subject" — and answer questions the forward facts can't. Grouped by predicate.

>>(1)

convergesConverges(1)

hasBpbAdvantageOverHas Bpb Advantage Over(1)

hasModeHas Mode(1)

involvesTechniqueInvolves Technique(1)

outperformsQpskOutperforms Qpsk(1)

recommendsDefaultRecommends Default(1)

supportsModeSupports Mode(1)

Other facts (29)

The long tail: predicates that appear too rarely to warrant their own section. Filter or scroll to find a specific one. Each row links to its source.

29 facts
PredicateValueRef
Rdf:typeModulation Scheme[6]
Rdf:typeTechnique[7]
Rdf:typeConstellation Geometry[8]
Avoids Distinguishing256[2]
Avoids DistinguishingAmplitude Levels[2]
Has Syms Per Byte4[1]
Has Feat Count8[1]
Compared to16qam[1]
Is Safe Defaulttrue[1]
Uses Phases OnlyImplicit[2]
Has PointBandwidth Efficiency[2]
In Context ofTelecom[2]
InspiredProposed Model[2]
IsBandwidth Efficient[2]
Is NotSparse[2]
Packs2[2]
Packs IntoSymbol Period[2]
Is Known Optimal Constellation Geometryknown optimal constellation geometry[3]
Has Sys R0.361[4]
Is Baselinetrue[4]
Has Sys Beta25[4]
Has PatternBaseline[4]
Has Fdm0.4[4]
Has Cs0.081[4]
Has Jasym0.029[4]
Has Bpb At5003.874[4]
Is Modulationnull[5]
Has AttributeBandwidth Efficient Attribute[6]
Is Instance ofKnown Optimal Constellation Geometry[8]

Timeline

Timeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.

31 undated
—
hasSymsPerByteblah/watt-activation/part-322
4
—
hasFeatCountblah/watt-activation/part-322
8
—
comparedToblah/watt-activation/part-322
ex:16qam
—
isSafeDefaultblah/watt-activation/part-322
true
—
usesPhasesOnlyblah/watt-activation/part-321
ex:implicit
—
avoidsDistinguishingblah/watt-activation/part-321
256
—
hasPointblah/watt-activation/part-321
ex:bandwidth-efficiency
—
inContextOfblah/watt-activation/part-321
ex:telecom
—
inspiredblah/watt-activation/part-321
ex:proposed-model
—
isblah/watt-activation/part-321
ex:bandwidth-efficient
—
isNotblah/watt-activation/part-321
ex:sparse
—
packsblah/watt-activation/part-321
2
—
packsIntoblah/watt-activation/part-321
ex:symbol-period
—
avoidsDistinguishingblah/watt-activation/part-321
ex:amplitude-levels
—
isKnownOptimalConstellationGeometryblah/watt-activation/part-333
known optimal constellation geometry
—
hasSysRblah/watt-activation/part-339
0.361
—
isBaselineblah/watt-activation/part-339
true
—
hasSysBetablah/watt-activation/part-339
25
—
hasPatternblah/watt-activation/part-339
Baseline
—
hasFdmblah/watt-activation/part-339
0.4
—
hasCsblah/watt-activation/part-339
0.081
—
hasJasymblah/watt-activation/part-339
0.029
—
hasBpbAt500blah/watt-activation/part-339
3.874
—
isModulationblah/watt-activation/part-342
null
—
labelblah/watt-activation/319
QPSK
—
typeblah/watt-activation/319
ex:ModulationScheme
—
hasAttributeblah/watt-activation/319
ex:bandwidth-efficient-attribute
—
typeblah/watt-activation/318
ex:Technique
—
labelblah/watt-activation/318
QPSK
—
typeblah/watt-activation/331
ex:ConstellationGeometry
—
isInstanceOfblah/watt-activation/331
ex:known-optimal-constellation-geometry

References (8)

8 references
  1. [1]Part 3224 facts
    ctx:discord/blah/watt-activation/part-322
  2. [2]Part 32110 facts
    ctx:discord/blah/watt-activation/part-321
  3. [3]Part 3331 fact
    ctx:discord/blah/watt-activation/part-333
  4. [4]Part 3398 facts
    ctx:discord/blah/watt-activation/part-339
  5. [5]Part 3421 fact
    ctx:discord/blah/watt-activation/part-342
  6. [6]3193 facts
    ctx:discord/blah/watt-activation/319
    • full textwatt-activation-319
      text/plain2 KBdoc:agent/watt-activation-319/f54ddf34-a21b-47fb-8296-277054f2ccaa
      Show excerpt
      [2026-03-15 02:58] lisamegawatts: You're right — the whole point of QPSK isn't to be sparse, it's to be bandwidth-efficient. In telecom, QPSK packs 2 bits into one symbol period because the receiver only needs to distinguish 4 phase states,…
  7. [7]3182 facts
    ctx:discord/blah/watt-activation/318
    • full textwatt-activation-318
      text/plain3 KBdoc:agent/watt-activation-318/f52d95a8-f461-40d1-9360-f08558b18eb1
      Show excerpt
      [2026-03-15 02:47] xenonfun: ⏺ I see you're working on wire encoding / phase modulation — that's a fascinating direction. Let me check what you've got: [2026-03-15 02:47] lisamegawatts: Wire QPSK + Standard: PPL 4.94, Byte Accuracy 51.5% T…
  8. [8]3312 facts
    ctx:discord/blah/watt-activation/331
    • full textwatt-activation-331
      text/plain3 KBdoc:agent/watt-activation-331/171bcb73-6b34-47a5-8430-e89c28ce4ad9
      Show excerpt
      [2026-03-15 06:04] xenonfun: ``` Correct — nobody is doing this. Based on the literature review: The closest anyone gets is RoPE, which is mathematically PSK but nobody in the ML community frames it that way or designed it from that perspec…

See also

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