Security Level: Confidential HUAWEI TECHNOLOGIES Co., Ltd.HUAWEI Confidential The Way to Cognitive Spectrum Management

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 1 Contents The Current State of Spectrum Management The Challenge of Spectrum Management Existing Scheme of Cognitive Spectrum Management Some Views on TV White Space 5 The Way to Cognitive Spectrum Management

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 2 Fixed Spectrum Allocation Source:

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 3 Spectrum Usage Measurements Averaged over Six Locations [American] Source: Amir Ghasemi, et. al, Spectrum sensing in cognitive radio networks: requirements, challenges and design trade- offs, IEEE communications magazine, Apr. 2008,pp The relatively low utilization of the licensed spectrum suggest that spectrum scarcity is largely due to inefficient fixed frequency allocations rather than any physical shortage of spectrum

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 4 Contents The Current State of Spectrum Management The Challenge of Spectrum Management Existing Scheme of Cognitive Spectrum Management Some Views on TV White Space 5 The Way to Cognitive Spectrum Management

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 5 Spectrum Opportunistic

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 6 Cognitive Cycle Source: Ian F. Akyildiz, et. al, NeXt generation/dynamic spectrum access/cognitive radio wireless networks: A survey, Elsevier Computer Networks, May. 2006, pp

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 7 Utilization of Spectrum Opportunistic Overlay ›Just utilize spectrum opportunistic which primary users is unused in temporal, frequency and spatial Underlay ›Limited transmit power to avoid interference to users including primary users or other secondary users.

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 8 Contents The Current State of Spectrum Management The Challenge of Spectrum Management Existing Scheme of Cognitive Spectrum Management Some Views on TV White Space 5 The Way to Cognitive Spectrum Management

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 9 FP7 Project : E3 ›design, develop, prototype and showcase solutions to guarantee interoperability, flexibility and scalability between existing legacy and future wireless systems ›manage the overall system complexity ›ensure convergence across access technologies, business domains, regulatory domains and geographical regions 商业与系统模型研究 认知系统的管理功能 原型验证 Source:

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 10 IEEE SCC41 OSM-Operator Spectrum Manager NRM-Network Reconfiguration Manager TRM-Terminal Reconfiguration Manager

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 11 IEEE SCC41 Use Cases: Dynamic spectrum assignment Single Operator Scenario

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 12 IEEE SCC41 Use Cases: Dynamic spectrum assignment Multiple Operator Scenario ( NRM is inside operators)

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 13 IEEE SCC41 Use Cases: Dynamic spectrum assignment Multiple Operator Scenario ( NRM is outside operators)

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 14 IEEE SCC41 Use Cases: Dynamic spectrum sharing

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 15 IEEE SCC41 Use Cases: Distributed radio resource usage optimization

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 16 Contents The Current State of Spectrum Management The Challenge of Spectrum Management Existing Scheme of Cognitive Spectrum Management Some Views on TV White Space 5 The Way to Cognitive Spectrum Management

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 17 FCC On 4 November 2008, the FCC adopted a report setting out rules allowing license- exempt cognitive devices to operate in interleaved spectrum Cognitive parameterValue DTT sensing-114 dBm Wireless-microphone sensing-114 dBm Location accuracy50 meters Transmit power - adjacent channels40 mW Transmit power - non-adjacent channels100 mW Out-of-band powers55 dBc Time between sensing1 minute

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 18 OFCOM On 16 February 2009, OFCOM releases the document “Digital dividend: cognitive access-Consulation on licence-exempting cognitive devices using interleaved spectrum”. ›Allow cognitive access as long as we were satisfied that it would not cause harmful interference to licensed uses Cognitive parameterValue DTT sensing-114 dBm Wireless-microphone sensing-126dBm Location accuracy100 meters Transmit power - adjacent channels20 mW Transmit power - non-adjacent channels100 mW Out-of-band powers<-44 dBm Time between sensing1 second

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 19 Europe Commission Task Group 4 of the European conference of Postal and Telecommunications administrations (CEPT) work on a pan- European specification for cognitive devices. This work is currently at an early state. The outcome of OFCOM will contribute to this work.

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 20 Contents The Current State of Spectrum Management The Challenge of Spectrum Management Existing Scheme of Cognitive Spectrum Management View from Some Regulators 5 The Way to Cognitive Spectrum Management

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 21 Cognitive Spectrum Management Observing Deciding Reacting Learning Cognitive Spectrum Management Cycle To observe the surrounding environment and recognize To identify causal or correlative connections and makes rational decisions To adapt the corresponding means To manipulate the knowledge from experience and lessons and augment the list available actions to the system

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 22 Cognitive Dimension Spectrum Resource Licensed spectrum band TV band Cellular spectrum band Etc Unlicensed spectrum band ISM band Cognitive Dimension Cognitive Access Sensing Geolocation Database Beacon reception Cognitive Parameter Sensing parameters Geolocation parameters Etc. Cognitive Policy …

HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential Page 23 Cognitive Access Spectrum Phase 1 Phase 2 Phase 3 Cognitive access to the TV White Space Spectrum allocation policy update Reservation special spectrum band (such as military use) Dynamic spectrum access for all band of business use Cognitive access to other White Space (except for special spectrum band such as military )

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