Nils Nielsen's shock exit as Japan coach after leading them to Women's Asian Cup glory was partly down to communication issues and cultural differences, officials and experts said.

Coach Nils Nielsen warned Monday that Japan need "different tools" to win next year's Women's World Cup after sweeping to the Asian title with a series of barnstorming performances.

The Japanese team stacked with English-based players were invincible in their run to the final, fluid across the park and defending well to steamroll everyone in front of them.

A tournament that has smashed attendance records from all previous editions will conclude with a bumper crowd at Stadium Australia in a dream final for local fans and organisers.

North Korea reached their first Women's World Cup since 2011 on Thursday with the Philippines also securing a spot at the global showpiece in Brazil next year.

While Australia have had to fight hard to reach the final, it has been a far easier ride for Japan.

Iranian women's national football squad arrived in eastern Turkey and headed to the Iran border on their way home Wednesday, among them several players who withdrew an asylum bid in Australia.

The two players are being housed at an undisclosed location and receiving support from the government and the Iranian diaspora community in Australia.

The clash in Sydney on Wednesday will pit the two highest scoring teams of the tournament, with Japan blasting 24 goals in their four games to date and South Korea 16.

The Matildas will hunt a second trophy in the continental tournament and first since 2010 against Japan or South Korea, who play in the second semi-final in Sydney on Wednesday.

Defensive lynchpin Carpenter and star striker Kerr are in Perth preparing to face China in the semi-finals of the continental competition on Tuesday.

The five who withdrew their claims are expected to join the rest of the team in Kuala Lumpur where the squad has been staying since departing from Sydney last week.

Ruthless Japan crushed the Philippines 7-0 on Sunday to book a Women's Asian Cup semi-final with South Korea and keep their bid for a third continental title on track.

Australia coach Joe Montemurro said Friday's 2-1 victory over North Korea had given them the belief to go on and win the Women's Asian Cup for the first time in 16 years after securing their place at next year's World Cup.

Australia became the first nation to qualify for next year's Women's World Cup in Brazil with a 2-1 win over North Korea that booked their place in the Asian Cup semi-finals on Friday.

North Korea pledged Thursday there will be no more sideline protests during their Women's Asian Cup quarterfinal with Australia after causing a stir against China.

Bangladesh captain Afeida Khandaker spoke to The Daily Star’s Anisur Rahman about the AFC Women's Asian Cup experience and what lies ahead.

Japan stayed perfect in the women's Asian Cup group stage as they eased to a 4-0 win over Vietnam, who crashed out of the tournament.

“At times, it feels like a boxer entering a fight with one arm tied behind his back," Bangladesh coach Butler said after Uzbekistan clash.

Butler has also brought back experienced defender Sheuli Azim in place of Nabiran Khatun, while Tohura Khatun returns to the lineup, replacing fellow forward Shamsunnahar Junior.