"I know how I felt at the end of last year," he said. "It was really tough for me to work all that time to get the chance to play at the O2 and not be able to finish the tournament.
"This year I want to make sure that come the start of that event, I'm 100% ready to go."
This year is the first time there has not been a week's break between the Paris Masters and the Tour Finals, but Murray is not concerned by the schedule.
"Paris to London is a one-hour flight or three hours on the train," he added. "That might change when the Tour Finals move to a different venue. Right now I don't think it's too much of an issue."
Andy Murray feeling 'fresh' for Paris Masters
The tournament is confirmed to remain in London until 2013, with reports suggesting a two-year extension is set to be announced.
"We're at the final stages of negotiation, so we're doing our best to keep it in London," tournament director Chris Kermode told 5 live. "Everyone has acknowledged it has been a huge success."
Asked about drug testing in tennis - in the light of recent revelations about cyclist Lance Armstrong -
Murray told told reporters:
"I don't think people look at tennis players in the same way that they would at cyclists because this sport hasn't had the problems they've had."
The world number three was given a blood test ahead of the Paris event but questioned the amount of testing that takes place away from tournaments.
"The out-of-competition stuff could probably get better,"
"When we're in December, when people are training and setting their bases, it would be good to do more around that time."
reached round two of the doubles on Tuesday with Australian partner
as they beat Philipp Kohlschreiber and Florian Mayer 7-5 6-1.
They join British pair
in the second round after they overcame John Isner and Sam Querrey 6-7 (4-7) 7-6 (7-4) 10-7 on Monday.
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