Filtering method to allow FDD and TDD operation in PCS transreceivers
US6212172A · kind A · utility
15Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1998 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | May 8, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/44
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A transreceiver allows efficient operation in a full or half-duplex TDD or FDD system. The preferred transreceiver includes a common set of filters used for both FDD (Frequency Division Duplex) and TDD (Time Division Duplex) operation in a given range of frequencies thereby reducing circuitry count and implementation costs. Thus, the transreceiver of the present invention can operate in FDD operation or TDD operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.