© All rights reserved
Presented by Nadeem Akhtar
Centre of Excellence in Wireless Technology (CEWiT)
Proximity Services in...
© All rights reserved
Proximity Services
2
Proximity Services (ProSe) using Device to Device
(D2D) Communication
Public Sa...
© All rights reserved
ProSe Applications
3
Public safety
Localized social networking
Home automation/networking
Local data...
© All rights reserved
ProSe Example
4
• ‘300: Rise of an
Empire’ at PVR
Cinema, CP
Advertisement
• Want to see ‘300:
Rise ...
© All rights reserved
ProSe Reference Architecture Model
5
UE
ProSe APP
LTE-Uu
E-UTRAN
UE
ProSe APP
EPC
S1
ProSe APP
Serve...
© All rights reserved
D2D Communication Scenarios
6
Source: 3GPP TR23.703
© All rights reserved
Radio Access Network Requirements
7
Potential large number of concurrently participating ProSe-enabl...
© All rights reserved
D2D Communication
 D2D communication will use uplink spectrum (FDD) or uplink
sub frames (TDD)
 D2...
© All rights reserved
Technical Challenges
Synchronization
Discovery
Resource Allocation
Co-existence
Accounting and ...
© All rights reserved
D2D in 3GPP
10
SA
SA1: Use Cases and
Requirements
SA2: System Design
SA3: Security
RAN
RAN1: Air Int...
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Proximity Services in LTE

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Proximity Services in LTE

  1. 1. © All rights reserved Presented by Nadeem Akhtar Centre of Excellence in Wireless Technology (CEWiT) Proximity Services in LTE Networks http://eustandards.in/
  2. 2. © All rights reserved Proximity Services 2 Proximity Services (ProSe) using Device to Device (D2D) Communication Public Safety applications Commercial services Discovery of devices in proximity Direct communication between devices ProSe applications and services
  3. 3. © All rights reserved ProSe Applications 3 Public safety Localized social networking Home automation/networking Local data transfer Mobile advertisements
  4. 4. © All rights reserved ProSe Example 4 • ‘300: Rise of an Empire’ at PVR Cinema, CP Advertisement • Want to see ‘300: Rise of an Empire’ tonight at a theatre near LeM Discovery • Find timings • Book tickets Communication
  5. 5. © All rights reserved ProSe Reference Architecture Model 5 UE ProSe APP LTE-Uu E-UTRAN UE ProSe APP EPC S1 ProSe APP Server SGi ProSe Function PC4 PC2 PC5 LTE-Uu PC3 PC1 PC6 Source: 3GPP TR23.703
  6. 6. © All rights reserved D2D Communication Scenarios 6 Source: 3GPP TR23.703
  7. 7. © All rights reserved Radio Access Network Requirements 7 Potential large number of concurrently participating ProSe-enabled UEs Minimization of negative impact on the ability of the operator to provide E-UTRAN services Continuous network control and adaptive resource allocation between ProSe and other E-UTRAN services System capability of monitoring communication characteristics Control, by Radio Access Network, of the radio resources associated with Prose E-UTRA Communication path
  8. 8. © All rights reserved D2D Communication  D2D communication will use uplink spectrum (FDD) or uplink sub frames (TDD)  D2D ProSe communications use SC-FDMA  D2D ProSe UE operates in half-duplex mode  Cellular and D2D transmissions are multiplexed using TDM from an individual UE perspective on a given carrier  Modes of communication  Unicast, Groupcast, Broadcast, Relay 8
  9. 9. © All rights reserved Technical Challenges Synchronization Discovery Resource Allocation Co-existence Accounting and billing Lawful Interception 9
  10. 10. © All rights reserved D2D in 3GPP 10 SA SA1: Use Cases and Requirements SA2: System Design SA3: Security RAN RAN1: Air Interface (PHY) RAN2: RAN Architecture and Air Interface Protocols
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