Patent ID: 8126081
Filing Date: 2012-02-28
Classification: H04B

Abstract:
1. A signal modulation apparatus for use in a communication framework including a plurality of communication systems, the communication systems comprising a first communication system having a first antenna and a second communication system having a second antenna, the signal modulation apparatus comprising: a receiving module being configured to receive specification information of the first communication system, specification information of the second communication system, information of the first antenna, information of the second antenna, distance information of the first antenna and the second antenna, and test information; an antenna distance analysis module being configured to calculate return-loss information according to the information of the first antenna, the information of the second antenna, and the distance information; a signal noise ratio (SNR) calculation module being configured to calculate an SNR according to the specification information of the first communication system; a process module being configured to generate adjustment information according to the SNR, the test information, the specification information of the first communication system and the specification information of the second communication system, and to generate isolation information according to the return-loss information, the adjustment information and the specification information of the first communication system; and a filter module being configured to modulate a power of the first antenna according to the isolation information.