SINR of a mobile user measured at MBSs or CFAPS is used as uplink QoS.
The MRMS sends QoS control inquiry to MBSs, which are the covering MBS of the CFAP and neighbors of the covering MBS.
Payments on some MBSs are guaranteed by one of three agencies: the Government National Mortgage Association (Ginnie Mae), the Federal National Mortgage Association (Fannie Mae), or the Federal Home Loan Mortgage Corporation (Freddie Mac).
Additional MBSs are issued by private entities and are not guaranteed by Fannie Mae, Freddie Mac, or Ginnie Mae.
As issuers feel the need to diversify funding, an increasing volume of Australian MBSs
being issued offshore also will increase the investor base.
Legally, mortgage securitization entails combining a fixed pool of mortgages into a trust., The mortgages serve as collateral for MBSs sold against the trust.
As shown in the upper panel of figure 5, the outstanding stock of MBSs increased about six fold during the last decade, much more rapidly than M1 or M2.
860A through 860G) were enacted in 1986 to provide a safe harbor for multiple-class MBSs
from characterization as corporations, with the intention that REMICs would be the exclusive passthrough entity for issuing multiple-class MBSs
MBSs and Treasuries) provides an opportunity window.
The floating call provision causes MBSs to behave differently than Treasuries in bull markets, and here lies the opportunity we are talking about with the convexity play.
Although Freddie Mac was the first agency to issue seven-year balloon MBSs
, Fannie Mae's CX program has become the fastest growing, most liquid, seven-year program.
At that time, Kidder, Peabody recommended that fixed-income investors increase the percentage of their assets allocated to MBSs
. Currently, the firm suggests that the exposure to mortgage securities in fixed-income portfolios be reduced from its recommendations last August, but that investors maintain an above-average exposure to the mortgage market.