18423228. SUB-BAND-FULL-DUPLEX INTERFERENCE MITIGATION simplified abstract (QUALCOMM Incorporated)

SUB-BAND-FULL-DUPLEX INTERFERENCE MITIGATION

Organization Name

QUALCOMM Incorporated

Inventor(s)

Joseph Patrick Burke of Carlsbad CA (US)

Muhammad Sayed Khairy Abdelghaffar of San Jose CA (US)

Charline Hao of San Diego CA (US)

Joseph Binamira Soriaga of San Diego CA (US)

Lai Kan Leung of Carlsbad CA (US)

Gurkanwal Singh Sahota of Rancho Santa Fe CA (US)

Tingfang Ji of San Diego CA (US)

Krishna Kiran Mukkavilli of San Diego CA (US)

Allen Minh-Triet Tran of Rancho Santa Fe CA (US)

SUB-BAND-FULL-DUPLEX INTERFERENCE MITIGATION - A simplified explanation of the abstract

This abstract first appeared for US patent application 18423228 titled 'SUB-BAND-FULL-DUPLEX INTERFERENCE MITIGATION

Simplified Explanation

The patent application describes a method for mitigating UE-to-UE interference during SBFD slots in a TDD system by filtering signals to block specific sub-bands.

• UL UE transmits in first sub-band during SBFD slot
• DL UE receives in second sub-band during SBFD slot
• DL UE filters DL signal to block second sub-band during SBFD slot

Potential Applications

This technology could be applied in TDD systems to improve spectral efficiency and reduce interference between user equipment.

Problems Solved

This technology solves the issue of UE-to-UE interference during SBFD slots in TDD systems, improving overall system performance.

Benefits

- Enhanced spectral efficiency - Improved signal quality - Reduced interference between UEs

Potential Commercial Applications

"Mitigation of UE-to-UE Interference in TDD Systems Using Sub-Band Filtering"

Possible Prior Art

There may be prior art related to TDD systems and interference mitigation techniques, but specific examples are not provided in the abstract.

Unanswered Questions

How does the filtering process impact overall system performance?

The filtering process may introduce additional complexity to the system. It is important to understand the trade-offs between interference mitigation and system efficiency.

Are there any limitations to the sub-band filtering approach?

It is essential to consider any potential drawbacks or limitations of using sub-band filtering to mitigate interference in TDD systems.

Original Abstract Submitted

During an uplink TDD slot, an UL UE transmits an UL signal that occupies a slot frequency range. Similarly, during a DL TDD slot, a DL UE receives a DL signal that occupies the slot frequency range. But during an SBFD slot, a UL UE transmits a UL signal that occupies only a first sub-band of the slot frequency range. Similarly, a DL UE receives a DL signal during an SBFD slot that occupies only a second sub-band of the slot frequency range. The second sub-band is distinct from the first sub-band. The DL UE may thus mitigate UE-to-UE interference during an SBFD slot by filtering the DL signal to substantially block the second sub-band from being received at the DL UE.