As you are in dilemma, that whether the approach is beneficial or not the you can check a number of papers on multiple transmitter and receivers
for study of isowc with multiple tx rx in detail goto:
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0CC4QFjACahUKEwjOudbr-dzGAhXFIqYKHW_8BiU&url=http%3A%2F%2Fportal.fke.utm.my%2Flibraryfke%2Ffiles%2F219_AIDAHASFIZABINTIHASIM2009.pdf&ei=JTmmVY6TA8XFmAXv-JuoAg&usg=AFQjCNG_oJ1ekig8GTI7mWT2P3CUqq8QYg&sig2=Jkv0xy3lnwPY_EUpL7a1YQ&bvm=bv.97653015,d.dGY
tell me if still you need any help.