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Dear Jia-Hao, Thanks for your sharing your ideas and Sorry for late reply. I reviewed your contribution (0018) and had some questions. Please let me know your opinion. 1. The superimposed transmission with rank-sufficient MIMO
condition seems to be same as current UL CSM. Is it right? 2. The superimposed transmission with rank-deficient MIMO
condition seems to be highly related to capability (SIC) of BS side and it’s
a implementation issue. 3. Lastly, there is a restriction for signaling of repetition
coding in 16m. Did you check this point? Thanks in advance. Br, Chiwoo From: Wu Jeffery [mailto:schechters@GMAIL.COM] Dear all, I am Jia-Hao from ITRI. After the second CC of DEV RG, I
would like to kick off an e-mail discussion about supporting transmission of
large number of devices. So far, most of the discussion about
supporting large number of M2M devices to access network focuses on network
entry functionalities. For the data transmission (devices which are in
connected state), it is relatively lack of discussion. However, I think we should
not preclude the cases where a large number of M2M devices (or geographically
based M2M groups) may simultaneous transmit data in a heavily loaded network
with 16e/16m AMS. In addition, considering IEEE 802.16p SRD
(IEEE 802.16p-10/0004r2), there are some related functional requirements to
support transmission of large number of devices: 6.2.4 The 802.16p system shall
support optimized signaling for resource allocation for large numbers of M2M
devices individually or by group.
6.2.5 The 802.16p system shall
support efficient and reliable delivery of control and data to and from a large
number of devices.
6.2.6 The 802.16p system shall
support efficient mechanisms for network access from large numbers of M2M
devices.
6.2.6.1
The 802.16p system
shall provide mechanisms to reduce access network congestion or overload from
large numbers of M2M Devices.
6.2.9 The 802.16p system shall
support large numbers of M2M devices in connected state
as well as in idle state. Signaling shall be optimized for transitions between
the two states.
Upon these requirements, we have uploaded a contribution (IEEE
C802.16p-11/0018) on the server and presented our basic ideas in the second CC.
This is basically a PHY layer proposal. And this proposal is to allow uplink
data transmission of 16p M2M devices and 16m AMS (or 16e MS) to be superimposed
on the same set of RB. The proposed text could be found in the contribution. We would like to hear your opinions. Any comments would be appreciated.
Thank you. Rest Regards, Jia-Hao Wu |