IEEE C802.16m-08/389r3 ProjectIEEE 802.16 Broadband Wireless Access Working Group TitleUplink Resource Allocation Date Submitted.

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IEEE C802.16m-08/389r3 ProjectIEEE Broadband Wireless Access Working Group TitleUplink Resource Allocation Date Submitted Source(s)Jia Lin, Xin Chang, Juejun Liu, Hongjie Si, Jianmin Lu Huawei Re:IEEE m-08/016r1: Call for Contributions on Project m System Description Document (SDD). Target topic: Uplink Physical Resource Allocation Unit. AbstractThis contribution proposes Uplink Resource Allocation for IEEE m system. PurposeFor discussion and approval by TGm Notice This document does not represent the agreed views of the IEEE Working Group or any of its subgroups. It represents only the views of the participants listed in the Source(s) field above. It is offered as a basis for discussion. It is not binding on the contributor(s), who reserve(s) the right to add, amend or withdraw material contained herein. Release The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE Patent Policy The contributor is familiar with the IEEE-SA Patent Policy and Procedures: and. Further information is located at and.

IEEE C802.16m-08/389r3 2 Uplink Resource Allocation UL resource unit UL resource unit definition Localized RU and distributed RU multiplexing UL channelization and mapping rule UL subcarrier to resource unit mapping FFR grouping

IEEE C802.16m-08/389r3 3 UL resource unit UL resource units includes UL distributed resource unit (DRU) and UL localized resource unit (LRU). UL DRU and LRU are multiplexed in FDM fashion in each sub-frame.

IEEE C802.16m-08/389r3 4 UL resource unit definition The resource unit (RU) consists of 108 subcarriers, 18 subcarriers over 6 OFDM symbols in UL subframe. Each UL RU is divided into 3 tiles, which contains 6 contiguous subcarriers by 6 OFDM symbols. UL DRU includes 3 distributed tiles over the entire frequency band. UL LRU includes 3 adjacent tiles in frequency domain.

IEEE C802.16m-08/389r3 5 Localized RU and distributed RU multiplexing As shown in the figure, UL Control resource, Localized resource and Distributed resource occupy different logical resource of sub- frame. Control resource contains of resource for CQI, HARQ ACK, Ranging, etc.

IEEE C802.16m-08/389r3 6 UL Channelization Within a sub-frame, the whole bandwidth is divided into several clusters. Further, within a cluster, bandwidth is divided into multiple frequency bands, each of which is called as sub-zone. Localized resource is located in the LRU sub- zones; Distributed resource is located in the DRU sub-zones.

IEEE C802.16m-08/389r3 7 UL resource mapping rule When mapping of UL Localized resource and distributed resource, Localized resource is located in the LRU sub-zones; Distributed resource is located in the DRU sub- zones. Localized resource and Distributed resource occupy different frequency bands (sub-zones) within a sub- frame. Titles of DRU are located in DRU sub-zones of different clusters in sub-frame. LRU is formed from contiguous physical tiles.

IEEE C802.16m-08/389r3 8 UL subcarrier to resource unit mapping As shown in slide 9, uplink subcarrier to resource unit mapping is broken down into the following steps: 1. PRUs are mapped to permuted PRUs according to predefined permutation/mapping rule which are for distributed resource and localized resource within the entire frequency band. The permuted PRUs are divided into distributed resource and localized resource, and are renumbered. For the localized resource, PRU can be directly mapped to a permuted PRU. For distributed resource, multiple tiles in physical resource can be mapped to a permuted PRU according to predefined permutation/mapping rule for distributed resource. 2. Permuted PRUs of distributed resource and localized resource are arranged into multiple frequency partitions, e.g., FFR groups. Each frequency partition contains of multiple Permuted PRUs that are from distributed resource and/or localized resource. 3. In each frequency partition, its Permuted PRUs are mapped to the logical resource units.

IEEE C802.16m-08/389r3 9

10 FFR grouping For FFR grouping, logical resource of sub-frame can be divided into multiple FFR groups. Each FFR group is composed by multiple logical RUs which are Localized RUs (LRUs) and /or DRUs. The granularity unit of FFR group is logical RU. Resource of FFR groups are orthogonal each other in logical resource. After mapping in physical resource, physical resource of different FFR groups are still orthogonal each other.

IEEE C802.16m-08/389r3 11 Proposed text Insert following text into SDD section 11 in IEEE m-08/003r1 Section 11.x.1Physical and Logical resource unit The physical resource unit (PRU) consists of 108 subcarriers, 18 subcarriers over 6 OFDM symbols in UL subframe. Each UL PRU is divided into 3 tiles, which contains 6 contiguous subcarriers by 6 OFDM symbols. Section 11.x.1.1 Distributed resource unit UL DRU includes 3 distributed tiles over the entire frequency band. Section 11.x.1.2 Localized resource unit UL LRU includes 3 adjacent tiles in frequency domain.

IEEE C802.16m-08/389r3 12 Proposed text Insert following text into SDD section 11 in IEEE m-08/003r1 Section 11.x.2 IEEE802.16m uplink channelization and resource mapping Section 11.x.2.1 Multiplexing of Distributed and Localized resource m should support multiplexing of Localized resource and Distributed resource in FDM fashion in each sub-frame of uplink. Localized resource unit (LRU) can be used for frequency-selective scheduling. LRU is formed from contiguous physical tiles. Distributed Resource unit (DRU) can be used for frequency diversity scheduling. DRU consists of tiles that are spread over sub-zones or entire bandwidth.

IEEE C802.16m-08/389r3 13 Proposed text Insert following text into SDD section 11 in IEEE m-08/003r1 Section 11.x.2.2 UL subcarrier to resource unit mapping Resource mapping in the uplink is performed in a frequency division multiplexing (FDM) manner. The process of downlink subcarrier to resource unit mapping is broken down into the following steps: 1. PRUs are mapped to permuted PRUs according to predefined permutation/mapping rule which are for distributed resource and localized resource within the entire frequency band. The permuted PRUs are divided into distributed resource and localized resource, and are renumbered. For the localized resource, PRU can be directly mapped to a permuted PRU. For distributed resource, multiple tiles in physical resource can be mapped to a permuted PRU according to predefined permutation/mapping rule for distributed resource. 2. Permuted PRUs of distributed resource and localized resource are arranged into multiple frequency partitions, e.g., FFR groups. Each frequency partition contains of multiple Permuted PRUs that are from distributed resource and/or localized resource. 3. In each frequency partition, its Permuted PRUs are mapped to the logical resource units.