The Gunners host the Foxes on Monday night, less than three days before they kick off their Europa League Group E clash against Sporting Lisbon in Portugal.
Arsenal's hopes of taking control of the group will be hit by having to face the Foxes on Monday after the game was moved for television.
After returning from Lisbon, Emery will take his side to Crystal Palace the following Sunday - but the Arsenal head coach believes it is the prerogative of the rights holders to determine when his team play.
"We are first in one competition (the Premier League) and the TV is very important," he said.
"The TV has the target to choose the matches Friday, Sunday, Monday. If they decided we are going to play Monday we don't stop to think if it is better to play Monday or not.
Emery: I don’t like Mondays
"I prefer to play Saturday or Sunday. It (playing on Monday) has the advantage for more time to prepare the match - that's one positive.
"After, we are going to play Thursday, we are going to play Sunday also, two matches very quickly after Leicester. For me it's not an excuse because we are preparing for Monday."
Arsenal are currently enjoying a nine-match winning run across the Europa League, Premier League and Carabao Cup.
With such form comes more fixtures, something Emery welcomes even if he knows he will have to rotate his side as a result.
"We are one team with a very high level and very high demand for us," he said.
"Every player, they need to feel they can play every match. (With) only three days difference between one match and another, you can't do that.
"You can't do that with play and rest, play and we can't do that without changing players. But if I decide to play with the same players Monday, Thursday, Sunday, the players can't do that.
"The mentality is to think like this then play, rest, prepare rest with other players to find our performance each match with these players.
"We want to play a lot of matches. We want to continue doing our way with different possibilities tactically and with the players - but with a lot of matches, we can't do that."
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