durieg the handuhaking peried? The sender assumes that there is a collision and resend it again after the thertimertyame spare chely seriod The sender aswomes that there is a collion and thend it again after the drantited intertrame space (orvi perind. The sender attumes that there is a collion and resend it again after backoff bire: The ceifsion detertion inecharivm wall be depleyed