A spectrum sharing scheme for a pair of secondary users co-existing with multiple primary users was proposed. The primary users exploit the limited feedback of channel quality information (CQI) to allocate their transmission power and rate. By overhearing the limited feedback of primary CQI. the secondary user accessed the channel with proper transmission power and rate while causing ... https://www.chiggate.com/eeboo-memory-matching-game-animal-pre-school-supply/