1. Channel Set Transition for 802.19.1 Logical Entities
July 2010
Channel Set Transition for Logical Entities
Date:
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Hyunduk Kang et al, ETRI

2. July 2010
Abstract
This presentation defines channel set transition diagram/events/matrix based on the proposed channel classification for logical entities in [1]
Hyunduk Kang et al, ETRI

3. Contents Channel Classification Revisit Venn diagram of TV Channels
July 2010
Contents
Channel Classification Revisit
Venn diagram of TV Channels
Channel Set Transition Diagram
Channel Set Transition Events
Channel Set Transition Matrix
Hyunduk Kang et al, ETRI

4. Channel Classification Revisit (1/3)
July 2010
Channel Classification Revisit (1/3)
Disallowed set
A set of channels disallowed for any TVBDs or networks by regulation, or by the request of incumbents
E.g., in the U.S. TV channel 3,4, and 37 are disallowed by regulation
E.g., in the U.S. a TV channel registered at TVWS database by a licensed wireless microphone is disallowed for any TVBDs or networks
Might be provided by TVWS database and will be updated if necessary
Allowed set
A set of channels allowed for TVBDs or networks
Should be provided by TVWS database and will be updated if necessary
All TVBDs or networks should first obtain a list of the available channels before operating.
Slide 4
Hyunduk Kang et al, ETRI

5. Channel Classification Revisit (2/3)
July 2010
Channel Classification Revisit (2/3)
Available set
A set of free channels available for TVBDs or networks
Restricted set
A set of channels restricted to use with limitations due to regulation
Can be used by TVBDs or networks under limited conditions predefined by regulation
E.g., in the U.S. a portable/personal TVBD can use “the first adjacent channel of the incumbent activating channel” with limited transmit power (≤ 40mW EIRP) by FCC regulation
E.g., in the U.S. channel 36 and 38 need more stringent emission mask to protect incumbents in channel 37 by FCC regulation
Protected set
A set of channels occupied by incumbents to be protected
Can NOT be used by any TVBDs or networks
Unclassified set
A set of channels has not been classified as one of listed above three sets
Slide 5
Hyunduk Kang et al, ETRI

6. Channel Classification Revisit (3/3)
July 2010
Channel Classification Revisit (3/3)
Operating set
A set of operating channels being used by one TVBD or network
Can be selected from available set or restricted set only if there are no incumbent activities on it
If each TVBD or network has its own operating channel, spectrum etiquette with FDM (frequency division multiplexing) is achievable.
Coexistent set
A set of channels being shared by two or more TVBDs or networks
If two or more TVBDs or networks compete the same channel, spectrum etiquette with FDM is NOT achievable.
Slide 6
Hyunduk Kang et al, ETRI

7. Venn diagram of TV Channels
July 2010
Venn diagram of TV Channels
TV channels
Available
channel(s)
Restricted
channel(s)
Operating channel(s)
Disallowed
channel(s)
Coexistent channel(s)
Allowed
channel(s)
Protected
channel(s)
Unclassified
channel(s)
Hyunduk Kang et al, ETRI

8. Channel Set Transition Diagram
July 2010
Channel Set Transition Diagram 11
Protected Set
Operating Set 6 6 4 11 8 6 3 7 6 6
Unclassified Set
Available Set 10 1 2 11 4 7 11 9 3 7 7 5
Restricted
Set
Coexistent Set 5 7 11
Slide 8
Hyunduk Kang et al, ETRI

9. Channel Set Transition Events (1/3)
September 2009
Channel Set Transition Events (1/3)
Event (1): If the channel already being used by one TVWS system is assigned to other TVWS system(s) so that two or more TVWS systems use the same channel as an operating channel
Event (2): If the channel is released by other TVWS systems so that the channel is being used by only one TVWS system
Event (3): If the channel is released and not be used by any TVWS systems due to the completion of its usage
Event (4): If the channel is assigned to one TVWS system and not shared by any other TVWS systems
Hyunduk Kang et al, ETRI

10. Channel Set Transition Events (2/3)
September 2009
Channel Set Transition Events (2/3)
Event (5): If the channel is assigned to two or more TVWS systems at the same time
Event (6): If an incumbent activity has been informed on the channel
Event (7): If the channel temporarily satisfies the condition that requires its usage with limitations due to regulation
E.g., in the U.S. if an incumbent activity has been informed on the channel (F), the first adjacent channel (F±1) can be used by only a portable/personal TVBD with limited transmit power, say 100mW EIRP
Event (8): If the channel is released by an incumbent due to the completion of its usage
Hyunduk Kang et al, ETRI

11. Channel Set Transition Events (3/3)
September 2009
Channel Set Transition Events (3/3)
Event (9): If the channel is exempted from its temporary restriction and free to use without limitation
E.g., in the U.S. if the channel is released by the incumbent on the channel (F) due to the completion of its usage, the first adjacent channel (F±1) can be used by any TVBDs and networks
Event (10): If the channel is not occupied by an incumbent or any TVWS systems
Event (11): If the channel is not classified or updated within the predefined time expiration
Hyunduk Kang et al, ETRI

12. Channel Set Transition Matrix
July 2010
Channel Set Transition Matrix
State
Event
Operating
Coexistent
Available
Protected
Restricted
Unclassified
Event 1
Event 2
Event 3
Event 4
Event 5
Event 6
Event 7
Event 8
Event 9
Event 10
Event 11
Hyunduk Kang et al, ETRI

13. July 2010
Reference
[1] Hyunduk Kang et al, “Channel Classification for Logical Entities,” IEEE /0078r1
Hyunduk Kang et al, ETRI