DOCOMO Reports Lower Network Signalling With D-Wave Optimization
The companies report a 65.3% reduction in peak location-registration signals and a 7.0% reduction in paging signals.
D-Wave Quantum
Programs an energy landscape and samples candidate solutions with superconducting flux qubits. Leap also offers solvers that combine classical processing with quantum annealing.
Canada / United States · Research reviewed 7 Sept 2026Initial record: initial assessment recorded.
Review history 1 record
Record dates show when an assessment or clarification was saved. Review dates show the evidence check. Earlier records were recovered from QubitWire’s source history; no earlier score movement is inferred.
Initial assessment recorded
Assessment reviewed 7 Sept 2026 · Research reviewed 7 Sept 2026Sources in this record (5)
- Per-QPU Solver Properties and Schedules ↗
- Stirring the false vacuum via interacting quantized bubbles on a 5,564-qubit quantum annealer ↗
- D-Wave Technology Drives NTT DOCOMO’s Second Production Quantum Application in Network Operations ↗
- Basic Workflow: Models and Sampling ↗
- D-Wave Announces General Availability of Advantage2 Quantum Computer, Its Most Advanced and Performant System ↗
What it does. Where it fits.
Superconducting quantum annealing
Who should look closer
Researchers studying Ising-model dynamics and teams testing constrained optimization against strong classical baselines.
QubitWire’s editorial assessment of practical fit.Cloud access
Use Leap and Ocean to select QPU or hybrid solvers. Available machines and usage limits depend on the account and contract.
Check the current access route ↗What has been demonstrated
A peer-reviewed external study examined false-vacuum bubble dynamics on a 5,564-qubit ring embedded in Advantage hardware. Separately, the August 2026 DOCOMO announcement reports lower network-signaling loads from a hybrid application.
What remains unresolved
An annealer does not execute arbitrary gate-model circuits. Reported hybrid business outcomes do not by themselves establish quantum speedup; the separate gate-model program is not validated by annealing results.
The next question to watch
Can independent end-to-end evaluations reproduce practical gains after accounting for classical processing, embedding, run time and operating cost?
A research question, not a promised milestone.QubitWire coverage
D-Wave Demonstrates a Fast Gate for Dual-Rail Erasure Qubits
A Nature experiment reports an approximately 500-nanosecond entangling gate that largely preserves detectable photon-loss errors.
Sources & evidence
- Per-QPU Solver Properties and Schedules ↗Organization-originated source · Publication date not stated
Documents calibrated Advantage and Advantage2 annealers, topology, operating parameters and schedules. Access depends on contract, plan and seat.
- Stirring the false vacuum via interacting quantized bubbles on a 5,564-qubit quantum annealer ↗External source (may be a collaborator) · 4 Feb 2025
External researchers used D-Wave Advantage_system5.4 at Jülich to study bubble creation and interaction in an Ising model, including the roles of thermalization and drive modulation.
- D-Wave Technology Drives NTT DOCOMO’s Second Production Quantum Application in Network Operations ↗Organization-originated source · 18 Aug 2026
Joint company announcement reports a second DOCOMO production application and lower registration and paging signals. It does not isolate the quantum contribution to the hybrid workflow.
- Basic Workflow: Models and Sampling ↗Organization-originated source · Publication date not stated
Explains modeling and sampling using Leap hybrid solvers, Ocean software and classical solvers, allowing developers to separate the available solver types.
- D-Wave Announces General Availability of Advantage2 Quantum Computer, Its Most Advanced and Performant System ↗Organization-originated source · 20 May 2025
Announced general availability of the 4,400-plus-qubit Advantage2 annealing system through Leap and a route to purchasing on-premises systems.
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