1. Overview of IEEE 802.19.1 Date: 2014-09-09 Authors: September 2014
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2. 7. Overview of IEEE 802.19.1 Background
September 2014
7. Overview of IEEE Background
Radio regulations in some countries allow secondary radio systems to operate in TV white spaces
White spaces are not exclusively assigned to a particular radio system, any system that fulfils the requirements of the radio regulation can operate
Correspondingly, there is a need for coexistence mechanisms between different white space radio systems
IEEE has addressed this need by developing standard for TV white space coexistence methods

3. 7. Overview of IEEE 802.19.1 System architecture
September 2014
7. Overview of IEEE System architecture

4. 7. Overview of IEEE 802.19.1 Coexistence discovery
September 2014
7. Overview of IEEE Coexistence discovery
Coexistence Discovery and Information Server (CDIS) supports discovery of the neighboring whitespace radio systems
Two white space radio systems are neighbors if they are likely to cause one-way or mutual harmful interference to one another if they operate on the same frequency channel
Coexistence discovery information serves as an input to coexistence decisions making

5. 7. Overview of IEEE 802.19.1 Coexistence decision making
September 2014
7. Overview of IEEE Coexistence decision making
The IEEE standard provides two ways to select parameters of a radio system
Information service – coexistence system provides neighbor discovery information to a white space radio system and the white space radio system autonomously updates its operating parameters
Management service – coexistence system manages the operating parameters of a white space radio system using Coexistence Manager (CM)
These services are provided by the IEEE coexistence system to subscribed white space radio systems

6. 7. Overview of IEEE 802.19.1 Key parts of the standard
September 2014
7. Overview of IEEE Key parts of the standard

7. 7. Overview of IEEE 802.19.1 Deployment scenarios
September 2014
7. Overview of IEEE Deployment scenarios
TBD

8. 7. Overview of IEEE 802.19.1 Performance improvement
September 2014
7. Overview of IEEE Performance improvement
Gain in throughput is 17% for 3 TV channels
Gain in throughput is 21% for 5 TV channels

9. 7. Overview of IEEE 802.19.1 Implementation example (1/2)
September 2014
7. Overview of IEEE Implementation example (1/2)

10. 7. Overview of IEEE 802.19.1 Implementation example (2/2)
September 2014
7. Overview of IEEE Implementation example (2/2)

11. 7. Overview of IEEE 802.19.1 Summary
September 2014
7. Overview of IEEE Summary
IEEE is standard that defines coexistence system for radio systems operating in TV whitespace
IEEE coexistence system can provide different level of services to the users based on their subscription
Different profiles are defined to support various deployment scenarios and use cases
Simulation shows performance improvement from using IEEE coexistence system
Implementation of the IEEE coexistence system was done for feasibility study of the developed protocol (see IEEE /138r0 for more details)