def dec_wrap2():
"""Declaration function. It initializes all the relevant parameters to the simulatiions """
# Broadcast parameters
p = lib.SyncParams()
p.zc_len = 31 # Length of the ZC sequence to use
p.f_symb = 30.72e6 # "true" sampling rate
p.f_samp = p.f_symb*4 # oversampling rate. SHould be an integer factor of p.f_samp. This factor is the oversampling factor
p.repeat = 1 # Repeat the synchronization signal
p.spacing_factor = 1 # Spacing between the raisedcosines. A factor of 1 uses the standard definition, where
# one symbol is placed every
p.power_weight = 2 # Exponent \gamma
p.full_sim = True # Leave true
p.bias_removal = False # Utilization of the bias removal algorithm
p.ma_window = 1 # If bigger than 1, applies a moving average on the crosscorrelation R_yz
p.train_type = 'chain' # 'single': only one ZC sequence makes up the synchronization systemm
# 'chain' : pair of ZC sequence with opposite root parameter
p.crosscorr_type = 'match_decimate' # don't touch
p.match_decimate_fct = lib.downsample # lib.downsample corresponds to a standard idealized analog-digital sampler
p.peak_detect = 'wavg' # 'wavg': Performs a weighted average on the crosscorrelation to determine the location of the
# synchronization signal
# 'argmax': Takes the max of the crosscorrelation instead of a weighted average
p.pulse_type = 'rootraisedcosine' # Analog shaping pulse
p.plen = 31 # Length of the raisedcosine pulseshape
p.rolloff = 0.2 # Raisedcosine rolloff factor. A value of 0 corresponds to a normalized sinc
p.central_padding = 0 # Pad zeros between the pair of ZC sequences. As a fraction of zpos length
p.scfdma_precode = True # Apply SCFDMA?
p.scfdma_L = 4 # SC-FDMA factor
p.scfdma_sinc_len_factor = p.scfdma_L # Used for the demodulation of SC-FDMA in a decentralized setting
#------------------------
# Simulation parameters
ctrl = SimControls()
ctrl.steps = 40 # Approximately how many T_0 synchronization steps will be executed
ctrl.basephi = 40000 # How many oversamples per period T_0? T_0 = basephi*p.f_samp
ctrl.nodecount = 35 # Number of nodes to simulate
ctrl.display = True # Display stuff for a single simulation
ctrl.static_nodes = 0 # Nodes that broadcast but do not synchronize
ctrl.quiet_nodes = 0 # Nodes that synchronize but do not broadcast
ctrl.quiet_selection = 'random' # How are quiet nodes assigned
#ctrl.quiet_selection = 'kmeans'
# Parameters specific to the contention method (sensing)
ctrl.qc_threshold = 5 # As a factor of the outage threshold
ctrl.qc_steps = 3
# Initialization parameters
ctrl.CFO_step_wait = float('inf') # Use float('inf') to never correct for CFO. CFO CORRECTION DEPRECATED!
ctrl.TO_step_wait = 4 # How many synchronization steps to wait before broadcasting. In factors of T_0
ctrl.max_start_delay = 7 # nodes are onlined between t \in [0, max_start_delay]. In factor of T_0
ctrl.use_ringarr = True # Use True unless you want to blow up your RAM
ctrl.theta_bounds = [0,1] # bounds for the uniform distribution of \theta
ctrl.deltaf_bound = 3e-2 # bounds for the uniform distribution of \delta f between the nodes.
ctrl.rand_init = False # Randomly initiate values?
ctrl.non_rand_seed = 1238819 # If rand_init = False, the 'random' values in the simulation will be initiated with this seed
ctrl.epsilon_TO = 0.5
ctrl.noise_power = -101 + 9 # Reception thermal noise. -101 + 9 : thermal noise + receiver noise amplification.
#ctrl.noise_power = float('-inf') # Use if you want a noiseless simulation
# Multipath parameters
ctrl.delay_params = lib.DelayParams(lib.delay_pdf_3gpp_exp) # corresponds to 3gpp specifications
ctrl.delay_params.taps = 50 # How many multipath taps?
# The next variable is badly named. it correponds to half the side of a square area
# ctrl.max_dist_from_origin = 500 corresponds to an area of (1000m)^2
ctrl.max_dist_from_origin = 500 # (in meters)
# Half-duplexing method. Use at your own risk
ctrl.half_duplex = False
ctrl.hd_slot0 = 0.3 # in terms of phi
ctrl.hd_slot1 = 0.7 # in terms of phi
ctrl.hd_block_during_emit = True
ctrl.hd_block_extrawidth = 0 # as a factor of offset (see runsim to know what is offset)
# Variable adjustement window size. Use at your own risk
ctrl.var_winlen = False
ctrl.vw_minsize = 5 # as a factor of len(p.analog_sig)
ctrl.vw_lothreshold = 0.1 # winlen reduction threshold
ctrl.vw_hithreshold = 0.1 # winlen increase threshold
ctrl.vw_lofactor = 1.5 # winlen reduction factor
ctrl.vw_hifactor = 2 # winlen increase factor
# Outage detection. Only broadcast of "near" outage. E-mail [email protected] for more
# explanation on how it works
ctrl.outage_detect = False # thesis
#ctrl.outage_detect = True # INTERD
ctrl.outage_threshold_noisefactor = 1/(p.zc_len)*2
# COrrect propagation delay by applying some filter.
# lib.highpass_avg(6) corresponds to a filter of length Q=6, as described in my thesis
ctrl.prop_correction = True
ctrl.pc_step_wait = 0
ctrl.pc_b, ctrl.pc_a = lib.hipass_avg(6) #THESIS
ctrl.pc_avg_thresh = float('inf') # If std of N previous TOx samples is above this value, then
ctrl.pc_std_thresh = float(80) # If std of N previous TOx samples is above this value, then
# no PC is applied (but TOy is still calculated)
# Save values to disk?
ctrl.saveall = True
#-------------
# To run multiple simulations in bulk, a dictionary of modification to ctrl (cdict) and modifications to p
# (pdict) can be used to iterate over multiple configurations
# Note that any parameter to p or ctrl can be iterated this way
# For example, this will iterate over 5 configurations, from right to left. Each iteration assigns
# the value to the property and runs the simulations. See SimWrap for more details
cdict = {
'prop_correction':[False, True , True , True , True ],
}
pdict = {
'scfdma_precode': [False, False, False, True , True ],
'bias_removal': [False, False, True , False, True]
}
#cdict = {
# 'noise_power':[x for x in range(-120,-91,2)]
# }
#pdict = {}
#cdict = {
#}
#pdict = {}
return ctrl, p, cdict, pdict
def dec_r12():
"""Single ZC sequence with Decimation"""
p = lib.SyncParams()
p.zc_len = 31
p.plen = 31
p.rolloff = 0.2
p.f_symb = 30.72e6
p.f_samp = p.f_symb*4
p.repeat = 1
p.spacing_factor = 1
p.power_weight = 2
p.full_sim = True
p.bias_removal = False
p.ma_window = 1 # number of samples to average in the crosscorr i.e. after analog modulation
p.train_type = 'single' # Type of training sequence
p.crosscorr_type = 'match_decimate'
p.match_decimate_fct = lib.downsample
p.peak_detect = 'argmax'
p.pulse_type = 'rootraisedcosine'
p.central_padding = 0 # As a fraction of zpos length
p.scfdma_precode = False
p.scfdma_L = 4
p.scfdma_sinc_len_factor = p.scfdma_L
ctrl = SimControls()
ctrl.steps = 20
ctrl.basephi = 6000 #Thesis
#ctrl.basephi = 122880 #Interd
ctrl.nodecount = 15
ctrl.display = True
ctrl.static_nodes = 2
ctrl.quiet_nodes = 0
#ctrl.quiet_selection = 'kmeans'
ctrl.quiet_selection = 'random'
#ctrl.quiet_selection = 'contention' # Note this renders ctrl.quiet_nodes uiseless, and requires the use of outage detectection
ctrl.qc_threshold = 5 # As a factor of the outage threshold
ctrl.qc_steps = 3
ctrl.CFO_step_wait = float('inf') # Use float('inf') to never correct for CFO
ctrl.TO_step_wait = ctrl.steps*2
ctrl.max_start_delay = 7 # In factor of basephi
ctrl.use_ringarr = True
ctrl.theta_bounds = [0,1] # In units of phi
ctrl.deltaf_bound = 3e-2
#ctrl.deltaf_bound = 0
ctrl.rand_init = False
ctrl.epsilon_TO = 1
#ctrl.non_rand_seed = 2810438 # Only used if rand_init is False
ctrl.non_rand_seed = 12819 # Only used if rand_init is False
#ctrl.noise_power = float('-inf')
ctrl.noise_power = -101 + 9 # in dbm
ctrl.delay_params = lib.DelayParams(lib.delay_pdf_3gpp_exp)
ctrl.delay_params.taps = 5
#ctrl.delay_params.shadowing_fct = lambda : 0
ctrl.max_dist_from_origin = 500 # (in meters)
#ctrl.max_dist_from_origin = 1000 # (in meters)
#ctrl.max_dist_from_origin = 1000 # (in meters)
#ctrl.max_dist_from_origin = 2000 # (in meters)
ctrl.half_duplex = False
ctrl.hd_slot0 = 0.3 # in terms of phi
ctrl.hd_slot1 = 0.7 # in terms of phi
ctrl.hd_block_during_emit = True
ctrl.hd_block_extrawidth = 0 # as a factor of offset (see runsim to know what is offset)
ctrl.var_winlen = False
ctrl.vw_minsize = 5 # as a factor of len(p.analog_sig)
ctrl.vw_lothreshold = 0.1 # winlen reduction threshold
ctrl.vw_hithreshold = 0.1 # winlen increase threshold
ctrl.vw_lofactor = 1.5 # winlen reduction factor
ctrl.vw_hifactor = 2 # winlen increase factor
#ctrl.outage_detect = False # thesis
ctrl.outage_detect = True # INTERD
ctrl.outage_threshold_noisefactor = 1/(p.zc_len)*2
ctrl.prop_correction = False
ctrl.pc_step_wait = 0
ctrl.pc_b, ctrl.pc_a = lib.hipass_avg(6) #THESIS
#ctrl.pc_b, ctrl.pc_a = lib.hipass_avg(10) #INTERD
ctrl.pc_avg_thresh = float('inf') # If std of N previous TOx samples is above this value, then\
ctrl.pc_std_thresh = float(80) # If std of N previous TOx samples is above this value, then\
# no PC is applied (but TOy is still calculated)
ctrl.saveall = True
cdict = {}
pdict = {}
return ctrl, p, cdict, pdict