Proposed Text for E-MBS Zone Configuration Information Transmission (15.9.3.2)
IEEE 802.16 Presentation Submission Template (Rev. 9)
Document Number:
IEEE C802.16m-09/2458r1
Date Submitted:
2009-11-12
Source:
Chun-Yen Hsu, Chiu-Wen Chen, Kanchei (Ken) Loa,
Youn-Tai Lee, Yi-Ting Lin, Tsung-Yu Tsai
Institute for Information Industry (III)
Whai-En Chen, Shih-Yuan Cheng
National Ilan University (NIU)
Shiann-Tsong Sheu, Chih-Cheng Yang
National Central University (NCU)
E-mail: hcy@iii.org.tw
Venue:
IEEE 802.16 Plenary, Session #64, Atlanta, Georgia, USA
In response to IEEE 802.16 Working Group Working Group Letter Ballot Recirc #30a
Base Contribution:
N/A
Purpose:
For discussion and approval by IEEE 802.16 TGm
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Introductions
• E-MBS configuration information that can facilitate
continuous reception of E-MBS data or seamless interMBS zone transition is carried in AAI_NBR-ADV or
AAI_E-MBS-CFG message
• However, idle AMSs have to interpret each A-A-MAP
to receive the E-MBS-related configuration
information or they will miss them
– Current E-MBS design does not consider the interests of idle
AMSs
• In order to facilitate E-MBS reception for idle AMSs,
E-MBS configuration information shall be advertised
at a pre-determined location
Transmission of AAI_E-MBS-CFG
• In this proposal, the E-MBS CFG indicator is included
in the E-MBS MAP to notify AMSs the presence of
AAI_E-MBS-CFG message
– AAI_E-MBS-CFG may be transmitted periodically
or when needed
• AAI_E-MBS-CFG is transmitted in the next DL subframe following E-MBS region
– AMSs in connected state and idle state can receive AAI_EMBS-CFG
E-MBS MAP
E-MBS CFG
indicator
A-A-MAP
AAI_E-MBS-CFG
E-MBS region
DL sub-frame
Transmission of AAI_E-MBS-CFG
• The E-MBS CFG indicator is included in the E-MBS
MAP, so it is part of macro diversity content
– If E-MBS CFG indicator is set, all ABSs in an E-MBS
zone shall transmit the AAI_E-MBS-CFG in the next
DL sub-frame following the E-MBS region
– The E-MBS configuration information will be
transmitted/updated at the same frame and we can
prevent from inconsistency
Proposed text for P802.16m/D2
• [Modify Table 788 as indicated:]
Syntax
Size in
bits
Description/Notes
E-MBS-MAP () {
-
-
EMBS-Zone-ID
7
The EMBS Zone ID to which this EMBS
MAP apply
[TBD]
The length of an MSI is 2m+3 superframes
E-MBS CFG indicator
1
0b0: AAI_E-MBS-CFG is NOT present
0b1: AAI_E-MBS-CFG is transmitted in
the next DL subframe following E-MBS
region
E-MBS_DATA_IE()
-
-
MSI Length (m)
}
Padding
variable
Padding to reach byte boundary
Proposed text for P802.16m/D2
• [Modify the following text in Line 63, p.584 to Line 6, p.585 as indicated :]
15.9.3.2 E-MBS Zone Configuration
When the E-MBS Zone identifier list appears in AAI_NBR_ADV message
with only one value of '0' for some of ABS's, it indicates that the
corresponding neighbor ABSs are not affiliated with any E-MBS zone.
The ABS sends AAI_DSA for establishment of connection for E-MBS, EMBS ZONE shall be encoded in the AAI-DSA message. One ABS may
have multiple E-MBS Zone IDs for different E-MBS services.
To support inter-MBS zone transition, AMSs need to get E-MBS_Zone_IDs
to which the neighboring ABS’s belong as well as any flow continuity
across such neighboring zone. E-MBS configuration information that
facilitates continuous reception of E-MBS data or seamless inter-MBS zone
transition is carried in AAI_E-MBS-CFG message. AAI_E-MBS-CFG may
be transmitted periodically or when it is needed. If AAI_E-MBS-CFG is
transmitted, the Assignment A-MAP in the next DL subframe following the
E-MBS region shall indicate the allocation of AAI_E-MBS-CFG message.
The E-MBS CFG indicator shall be set to 0b1 if AAI_E-MBS-CFG is
transmitted, otherwise it shall be set to 0b0.