reconfiguration or multi-mode terminal technology
reconfiguration or multi-mode terminal technology, support intelligent call and session admission control technology, business, the power of distributed processing technology, wireless optimal use of resources and achieve the goal of maximizing system capacity . JRRM covers the various functions of the original radio resource management.Suitable for tightly coupled heterogeneous interoperability mode, shunt function. Future JRRM model is no longer confined to a single, centralized management, but the hierarchical management can be centralized, distributed and everything in between.
JRRM mainly includes two parts: the joint session admission control (JOSAC) and joint resource scheduling (JOSCH), including optimal spectrum efficiency of the heterogeneous network, laptop battery handle various types of service bearer as well as user and business of various QoS requirements, a variety of mixed traffic flow of adaptive scheduling. Main JRRM design has two basic characteristics: JRRM terminal and even the network reconfigurability, thus able to meet demand for integrated management of the access permission control and joint resource scheduling [7].
Access selection (MRAS) as a key JRRM technology, dynamic management of terminal access to one or more different wireless networks, effective use of multi-access gain. Multiple access gain brought by the multi-access selection includes two aspects: diversity and multi-access multiple access merge. In addition JRRM through load balancing and dynamic spectrum allocation [8], making more of the available wireless networks adaptive allocation of resources in a coordinated manner.but also for further function to achieve interoperability and technological innovation to provide the conditions [10-11].
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