Joint Radar And Communication System Prototype Based on ...
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Joint Radar And Communication System Prototype Based on Generalized Spatial Modulation Dingyou Ma, Nir Shlezinger, Moshe Namer, Maxim Meltsin, Harel Moalem, Eli Laks, Eli Shoshan, Xiqin Wang, Yimin Liu, Tianyao Huang and Yonina C. Eldar Main Contributions Proposed a Joint Radar and Communication (JRC) scheme The allocation of antenna elements are based on GSM. Communication Subsystem: more bits can be conveyed. Radar Subsystem: Improved resolution compared to fixed allocation. Communication and Radar Subsystem Communication Subsystem Spatial bits (0010) 00 01 10 11 Bits stream RF RF Constel lation bis (0 1) -1 +1 Communication Subsystem: Generalized Spatial Modulation System (GSM) Transmitter only. Bits Block: Spatial Bits + Constellation Bits. Radar Subsystem GSM Phased Array Radar Radar Subsystem: Phased array radar. Transmitter and receiver. Transmit beamforming is utilized. JRC Design Rules Separation in space and spectrum: Communication and Radar are orthogonal in frequency spectrum. Coexistence. Each antenna can transmit either radar or communication signal. Narrowband. Generate Baseband JRC Waveform DAC, Up Converter, Transmit Receive, Down Converter, ADC Communica tion Detection Radar Detection GUI: Display PC：MATLAB Hardware PC：MATLAB GUI: Parameter Setting Overview of the Prototype Architecture Processing Algorithm Communication Subsystem: Maximum likelihood Algorithm Radar Subsystem: Radar works in search mode. Matched filter is utilized in each direction, then the peaks are found to determine the locations of the targets. Graphical User Interface Communication Result Radar Scenario Radar Matched Filter Result Fixed Allocation Scheme GSM Based Scheme Radar Estimation Result Fixed Allocation Scheme GSM Based Scheme Fixed allocation scheme Comparison of the Fixed Allocation Scheme and the GSM Based Scheme Fixed allocation: antenna allocation pattern is static. Radar : the resolution is limited by the fixed allocation. Communication : the degree of freedom in the spatial domain is not utilized. GSM based scheme -1 1 +1 +1 3 +1 +1 2 -1 4 GSM: antenna allocation based on information bits. Radar : approach full antenna array resolution. Spatial agility. Communication : more bits can be conveyed. . Index modulation. 1 2 +1 +1 +1 -1 3 4 -1 -1 +1 +1 Receiver Transmitter Antenna Combine radar and communications. Benefits of joint design: reduced system volume, reduced cost, mitigate the cross interference. Background Radar Commu Overall of the Prototype Transmitter Receiver Controller
Transcript of Joint Radar And Communication System Prototype Based on ...
Joint Radar And Communication System Prototype Based on
Generalized Spatial ModulationDingyou Ma, Nir Shlezinger, Moshe Namer, Maxim Meltsin, Harel Moalem,
Eli Laks, Eli Shoshan, Xiqin Wang, Yimin Liu, Tianyao Huang and Yonina C. Eldar
Main Contributions
Proposed a Joint Radar andCommunication (JRC) scheme
The allocation of antennaelements are based on GSM.
Communication Subsystem:more bits can be conveyed.
Radar Subsystem: Improvedresolution compared to fixedallocation.
Communication and Radar Subsystem
Communication Subsystem
Spatial
bits
(0010)
00
01
10
11
Bits stream
RF
RF
Constel
lation
bis
(0 1)
-1
+1
Communication Subsystem: Generalized Spatial Modulation System (GSM)
Transmitter only. Bits Block: Spatial Bits +
Constellation Bits.
Radar Subsystem
GSM Phased Array Radar
Radar Subsystem: Phased array radar.
Transmitter and receiver. Transmit beamforming is
utilized.
JRC Design Rules
Separation in space and spectrum: Communication and
Radar are orthogonal in frequency spectrum. Coexistence.
Each antenna can transmit either radar or communication signal. Narrowband.
Generate Baseband
JRC Waveform
DAC, Up Converter, Transmit
Receive, Down
Converter, ADC
Communication
Detection
Radar Detection
GUI: Display
PC：MATLAB Hardware
PC：MATLAB
GUI: Parameter
Setting
Overview of the Prototype Architecture
Processing Algorithm
CommunicationSubsystem: Maximum likelihood Algorithm
Radar Subsystem: Radar works in search mode. Matched filter is utilized in each direction, then the peaks are found to determine the locations of the targets.
Graphical User Interface
Communication Result Radar Scenario Radar Matched Filter Result
Fixed Allocation Scheme GSM Based Scheme
Radar Estimation Result
Fixed Allocation Scheme GSM Based Scheme
Fixed allocation scheme
Comparison of the Fixed Allocation Scheme and the GSM Based Scheme
Fixed allocation: antenna allocationpattern is static.
Radar: the resolution is limited by the fixed allocation.
Communication: the degree of freedom in the spatial domain is not utilized.
GSM based scheme
-1
1
+1
+1
3
+1
+1
2
-1
4
GSM: antenna allocationbased on information bits.
Radar: approach full antenna array resolution. Spatial agility.
Communication: more bits can be conveyed. . Index modulation.
1 2
+1
+1
+1
-1
3 4
-1
-1
+1
+1
ReceiverTransmitter Antenna
Combine radar and communications. Benefits of joint design: reduced system
volume, reduced cost, mitigate the crossinterference.
Background
Radar
Commu
Overall of the Prototype
TransmitterReceiver
Controller
