Frame structure design for downlink TDD-TDD carrier aggregation with pusch-less cell
US12348463B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2021 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Jul 8, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L5/0051
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Wireless communications systems and methods related to transmitting communication signals with a carrier aggregated (CA) system TDD bands of a primary carrier component (PCC) and a secondary carrier component (SCC) PUSCH-less cell are provided. In particular, a CA frame structure with a PCC primary frame and an SCC secondary frame where a sounding reference signal (SRS) transmitted on the SCC secondary frame corresponds to a downlink slot on the PCC primary frame to avoid throughput loss. In some embodiments, the CA frame can be arranged such that at least one of the uplink slots on the PCC frame corresponds with downlink slots on the SCC frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.