The phrase "addition to the complexity" is correct and usable in written English.
It can be used when discussing factors that increase or contribute to the complexity of a situation or issue.
Example: "In addition to the complexity of the project, we also faced tight deadlines that made it even more challenging."
Alternatives: "increasing the complexity" or "further complicating the issue".
In addition to the complexity of channel estimation, the additional complexity of ( Oleft ({N_{c}^{3}}right)) is introduced by the IRC receivers because of the estimation and inversion of the channel covariance matrix for the interference signals [65].
In addition to the complexity of undertaking probabilistic record linkage, these units face additional technical challenges in providing record linkage 'as a service' for research.
The deficiencies of existing models in addition to the complexity of resilient behavior of soils indicate the necessity to develop better models.
"This raises security questions, in addition to the complexity of moving apps and data into a third-party cloud.
In addition to the complexity of the legislation, scientific limitations regarding occupational exposure to some substance will also persist.
In addition to the complexity, sensitivity, and flexibility, the color performance is still very important when choosing the method for extending the dynamic range.
Although computational models of human behavior have enjoyed a rich history in cognitive psychology, they have lacked widespread impact, partly due to the technical knowledge and programming required in addition to the complexities of the modeling process.
In addition to the complexities in energy consumption and production, the cooperatives require active involvement.
An addition to the complexities of CRAHN routing protocol design is to create QoS supporting routing protocols.
In addition to the complexities and challenges facing smoke-free interventions recognised above, the panels were very aware of the sensitivities and potential tensions around crossing the 'private' boundary of the home with 'public' smoke-free health promotion interventions.
Instead the police districting problem has evaluation complexity (see Subsection "Evaluation complexity") in addition to the computational complexity of the graph-partitioning problem.
