"constraint regarding" is a correct and usable phrase in written English.
You can use it when you want to introduce a limit or restriction related to a particular topic. For example, "There is a tight constraint regarding the number of participants allowed in the program."
There is no explicit constraint regarding the length of such manuscripts, although 20 printed pages would be the most usual length.
There is no explicit constraint regarding the length of such manuscripts, although 35 printed pages would be the most usual length.
The IMT-Advanced specification defines a very stringent constraint regarding handover latency.
It should be pointed out that in (24), the constraint regarding the SINR threshold for the MBS is still included.
This finding reveals a constraint regarding WCF practices in this teaching setting and can be attributed to the institutional context of the survey.
Although there are some parameters in Table 3, only a few ("macro UE," "small cell," and "transmit stream") can be set arbitrarily and the others should be set to a certain value(s) compulsorily due to the constraint regarding, mainly, the calculation of precoding or postcoding weight [19].
Constraints regarding higher-order dependences are provided.
But she said that Dr. Wilson had complied with "fairly strict and unusual constraints" regarding conflict of interest.
From interrogating the girls, Kony learned that his three lieutenants had disobeyed his strict constraints regarding sexual intercourse.
Moreover, to be politically acceptable, a post-Kyoto treaty must recognize certain constraints regarding country-by-country economic costs.
In addition to the above description, some scientists impose additional constraints regarding characteristics such as size, shape, or mass.
