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C80216m-08_075

C80216m-08_075. Contents. C80216m-08_075. What’s the purpose of organization scope What to be organized entity and components When to organize environments status & relationships How we can organize coordinative or uncoordinative. What’s the purpose of organization scope.

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C80216m-08_075

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  1. C80216m-08_075

  2. Contents C80216m-08_075 • What’s the purpose of organization • scope • What to be organized • entity and components • When to organize • environments status & relationships • How we can organize • coordinative or uncoordinative

  3. What’s the purpose of organizationscope C80216m-08_075 Self Installation and Configuration • Automatic resource allocation and distribution optimization • To avoid or eliminate the impact of harmful/destructive interference Network throughput ensuring • Interference prevention & resolution • That’s what we can also understand as interference impact mitigation Enhancement for Coverage Awareness (for operator) • Adjacent Blind Area information report • That’s combine the impact from deserved signal and interference signal

  4. What to be organizedentities and components C80216m-08_075 • System • A Base Station and its Subscribers • Community • A Community is composed of those systems which coordinate to resolve their interference. These systems can be operated by the same or different operators. • Interference Neighborhood • An Interference neighborhood relates to a specific system. A system will perceive as an interference neighbor of other systems which create/receive harmful interference to/from it. The Figure blow shows some examples of neighborhood.

  5. When to organizeenvironments status C80216m-08_075 • A system’s environment status is a collective radio signal situation of its BS and SSs, which compose of deserved signal and interference: • Signal Quality on the Receiver:RSSI & SINR • Interference impact: SINR degradation from interference (or INR)* • Interference source of the receiver which encounter harmful interference (for collaborative mechanism only) • BS is responsible to collect the system’s environment status • SS is responsible to report its recent radio signal situation to its serving BS

  6. When to organize relationships C80216m-08_075 Relationships is between systems: • Neighbor Relationship: it is a relationship between two systems, when the BS in at least one of these two systems may create interference higher than the acceptable interference threshold to at least one SS in another system, or at least one of the SSs in at least one of these two systems may create interference higher than the acceptable interference threshold to the BS in another system. It is assumed that SS to SS interference and BS to BS interference are resolved in advance by frequency separation (in case of FDD systems) or transmission frame synchronization (in case of TDD). • Neighbor: A system is called a neighbor of system A, when it has a neighbor relationship with system A.

  7. When to organized relationships-formed by bi-directional interference C80216m-08_075

  8. C80216m-08_075 When to organizerelationships-formed by unidirectional interference

  9. C80216m-08_075 When to organizerelationships- Geographical & Encounter Neighbor • Geographical Neighbor: • The Geographical neighbor relationship means at least one station in one of the system will be interference victim of at least one station in another system if they allocate the frequency into co-channel or adjacent channel. • Encounter Neighbor: • The Encounter neighbor relationship means at least one station in one of the system is an interference victim of at least one station in another system.

  10. How we can organizecoordinative or uncoordinative C80216m-08_075 • Coordinative mechanism relies on the exchange of protocol-based signaling in radio within Geographical neighborhood. • Stations in system need to measure radio signal parameters • Stations in system need to identify the interference source • BS take the responsibility to coordinate the action of its whole system and be responsible to negotiate among neighborhood/ community • Uncoordinative mechanism relies on the only the radio information within the system, and do not exchange protocol-base signaling in radio within Geographical neighborhood. • Stations in system need to measure radio signal parameters • Stations in system do not identify the interference source • BS take the responsibility to coordinate the action of its whole system but not negotiate with other system • Both Coordinative and Uncoordinative solution should be considered according to different usage scenario

  11. Conclusion C80216m-08_075 • 16m should refine scope of SON mechanisms and define entities and components, e.g. • System • Community • Neighborhoodetc. • 16m should include both coordinative and uncoordinative approaches for SON.

  12. C80216m-08_075 Thanks!

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