摘要:
A method comprises receiving power information transmitted by a plurality of mobile devices in a wireless communication system; processing the received power information to be a result of unknown power information multiplied by a measurement matrix relating to positions of the plurality of mobile devices, wherein a number of columns of the measurement matrix is larger than a number of rows of the measurement matrix; generating an amendment matrix satisfying restricted isometry property (RIP), for processing the measurement matrix, and obtaining a modified measurement matrix satisfying the RIP according to the amendment matrix and the measurement matrix; obtaining estimated power information according to the received power information by using L1 norm and the modified measurement matrix; and constructing at least one spectrum map of at least one frequency band according to the estimated power information.
摘要:
This patent discloses a method and a system of radio resource allocation for a mobile MIMO-OFDMA system, the method comprising the steps of: generating a diagonal matrix according to a channel matrix; determining a sum capacity function associated with the diagonal matrix, a plurality of transmission powers, and a plurality of subcarrier fractions; performing a first subcarrier fraction allocation by maximizing the sum capacity function according to a predetermined user capacity condition; performing a first transmission power allocation according to the first subcarrier allocation; and performing a second subcarrier fraction allocation by maximizing the sum capacity function according to the first transmission power allocation and the predetermined user capacity condition.
摘要:
This patent discloses a method and a system of radio resource allocation for a mobile MIMO-OFDMA system, the method comprising the steps of: generating a diagonal matrix according to a channel matrix; determining a sum capacity function associated with the diagonal matrix, a plurality of transmission powers, and a plurality of subcarrier fractions; performing a first subcarrier fraction allocation by maximizing the sum capacity function according to a predetermined user capacity condition; performing a first transmission power allocation according to the first subcarrier allocation; and performing a second subcarrier fraction allocation by maximizing the sum capacity function according to the first transmission power allocation and the predetermined user capacity condition.
摘要:
A method comprises receiving power information transmitted by a plurality of mobile devices in a wireless communication system; processing the power information to obtain sampled power information by using a measurement matrix relating to positions of the plurality of mobile devices, wherein a number of columns of the measurement matrix is larger than a number of rows of the measurement matrix; generating an amendment matrix satisfying restricted isometry property (RIP), for processing the measurement matrix, and obtaining a modified measurement matrix satisfying the RIP according to the amendment matrix and the measurement matrix; obtaining estimated power information according to the sampled power information by using L1 norm and the modified measurement matrix; and constructing at least one spectrum map of at least one frequency band according to the estimated power information.