English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

For the sake of meeting the variable requirements of different quasi-synchronous (QS) frequency-hopping multiple-access (FHMA) communication systems, low-hit-zone (LHZ) frequency-hopping sequence (FHS) sets with flexible parameters and optimal Hamming correlation properties are desired. In this paper, we have a generalized method of constructing LHZ-FHS sets through interleaving technique and analyze the maximum periodic partial Hamming correlation (PPHC) of our constructed LHZ-FHS sets, based on which we are capable of getting four new families of LHZ-FHS sets. It turns out that our new LHZ-FHS sets can be optimal under the PPHC properties and have parameters not covered in the related literature, and thus can be applied in QS-FHMA communication systems to minimize or reduce the mutual-interference.

Families of Optimal Low-Hit-Zone Frequency-Hopping Sequence Sets Under the Periodic Partial Hamming Correlation Properties