A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation
| Autor: | Leo Laughlin, Mark A Beach, Kevin A. Morris, Muhammad Kalimuddin Khan, Chunqing Zhang, John L. Haine |
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| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
self-interference
Computer science 020208 electrical & electronic engineering Duplex (telecommunications) 020206 networking & telecommunications 02 engineering and technology Duplexers Noise figure Self interference Duplexer IBFD Telecommunications link 0202 electrical engineering electronic engineering information engineering Frequency division duplex Electronic engineering Baseband FDD Transceiver |
| Zdroj: | Laughlin, L, Zhang, C, Beach, M A, Morris, K A, Haine, J L & Khan, M K 2018, A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation . in 2018 IEEE MTT-S International Microwave Symposium (IMS 2018) : Proceedings of a meeting held 10-15 June 2018, Philadelphia, Pennsylvania, USA ., 8439253, Institute of Electrical and Electronics Engineers (IEEE), pp. 1207-1210, 2018 IEEE/MTT-S International Microwave Symposium, IMS 2018, Philadelphia, United States, 10/06/18 . https://doi.org/10.1109/MWSYM.2018.8439253 |
| DOI: | 10.1109/MWSYM.2018.8439253 |
| Popis: | This paper presents a novel tunable FDD transceiver architecture which uses an electrical balance duplexer (EBD) to isolate Tx noise in the Rx band, and combines this with active self-interference cancellation to suppress the Tx blocker. This overcomes the limited isolation bandwidth of EBDs, shifting complexity from the RF domain to the digital baseband domain in order to provide isolation in both bands. A discrete hardware prototype has shown promising results and demonstrated the viability of this architecture, achieving 6.0-7.4 dB antenna referred noise figure in a 20 MHz downlink bandwidth, in the presence of a +27 dBm Tx blocker, across a range of duplex configurations in the 700-950 MHz range. |
| Databáze: | OpenAIRE |
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