Initial Commit

.gitignore

+# Created by https://www.toptal.com/developers/gitignore/api/python
+# Edit at https://www.toptal.com/developers/gitignore?templates=python
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
+# End of https://www.toptal.com/developers/gitignore/api/python
+

helpers/data_generator.py

+import tensorflow as tf
+import numpy as np
+from abc import ABC, abstractmethod, abstractproperty
+import math
+
+
+class BaseEnvironmentGenerator(ABC):
+    @abstractproperty
+    def shape(self):
+        pass
+
+    @abstractmethod
+    def apply(self, sample):
+        pass
+
+
+class BaseMetaGenerator(ABC):
+    @abstractproperty
+    def shape(self):
+        pass
+
+    @abstractmethod
+    def apply(self, sample):
+        pass
+
+
+class BaseTargetGenerator(ABC):
+    @abstractmethod
+    def apply(self, sample):
+        pass
+
+
+class EnvironmentGenerator2D(BaseEnvironmentGenerator):
+    def __init__(
+        self,
+        resolution,
+        bounding_box,
+        reference_height=100,
+        include_los_profile=True,
+        use_coord_conv=False,
+        crop_center=None,
+        ue_height=1.5,
+    ):
+        # based on (1.25 * buffer) / (0.5 * buffer)
+        self._resolution = resolution  # resolution in meters!
+        self._bounding_box = bounding_box
+        self._include_los_profile = include_los_profile
+        self._use_coord_conv = use_coord_conv
+        self._crop_center = crop_center
+        self._reference_height = reference_height
+        self._ue_height = 1.5
+
+        bounding_len = tuple(np.array(self._bounding_box) // self._resolution)
+        self._array_shape = (
+            bounding_len[2] + bounding_len[3],
+            bounding_len[0] + bounding_len[1],
+        )
+
+    @property
+    def shape(self):
+
+        depth = 2 if self._include_los_profile else 1
+        if self._use_coord_conv:
+            depth += 2
+        if self._crop_center:
+            return (
+                self._array_shape[0],
+                self._array_shape[1] - 2 * self._crop_center,
+                depth,
+            )
+        else:
+            return (*self._array_shape, depth)
+
+    def _generate_los_profile(self, sample):
+
+        bs_height = (
+            sample.bs_elevation + sample.bs_height - sample.meas_elevation
+        ) / self._reference_height
+        ue_height = (self._ue_height) / self._reference_height
+
+        k = (bs_height - ue_height) / sample.d_h
+        d = ue_height
+
+        los_profile = (
+            k
+            * np.linspace(
+                -self._bounding_box[-2],
+                self._bounding_box[-1],
+                num=self._array_shape[0],
+            )
+            + d
+        )
+
+        los_profile[: self._bounding_box[-2]] = -1
+        los_profile[int(self._bounding_box[-2] + sample.d_h) :] = -1
+
+        los_profile = np.tile(los_profile, (self._array_shape[1], 1)).transpose()
+
+        return los_profile.reshape(*self._array_shape, 1)
+
+    def _generate_coord_conv(self):
+        image_shape = self._array_shape[:3]
+
+        x_coords = np.tile(
+            np.abs(
+                np.linspace(
+                    -self._bounding_box[0] * self._resolution,
+                    self._bounding_box[1] * self._resolution,
+                    self._bounding_box[0] + self._bounding_box[1],
+                )
+            )
+            / np.max(self._bounding_box[:2]),
+            (image_shape[0], 1),
+        )
+
+        y_coords = np.tile(
+            np.abs(
+                np.linspace(
+                    -self._bounding_box[2] * self._resolution,
+                    self._bounding_box[3] * self._resolution,
+                    self._bounding_box[2] + self._bounding_box[3],
+                )
+            )
+            / np.max(self._bounding_box[2:]),
+            (image_shape[1], 1),
+        ).transpose()
+
+        return np.stack((x_coords, y_coords), axis=2)
+
+    def _generate_environment(self, sample):
+        with np.load(sample.local_env_path) as data:
+            env = data["env"]
+
+        env = (env - sample.meas_elevation) / self._reference_height
+
+        return env.reshape(*self._array_shape, 1)
+
+    def apply(self, sample):
+        output = self._generate_environment(sample)
+
+        if self._include_los_profile:
+            los_profile = self._generate_los_profile(sample)
+            output = np.concatenate((output, los_profile), axis=2)
+
+        if self._use_coord_conv:
+            coord_conv = self._generate_coord_conv()
+            output = np.concatenate((output, coord_conv), axis=2)
+
+        if self._crop_center:
+            output = output[:, self._crop_center : -self._crop_center, :]
+
+        return output
+
+
+class EnvironmentGenerator1D(BaseEnvironmentGenerator):
+    def __init__(self, resolution, bounding_box, reference_height=100, ue_height=1.5):
+        self._resolution = resolution
+        self._bounding_box = bounding_box
+        self._reference_height = reference_height
+        self._ue_height = 1.5
+        bounding_len = tuple(np.array(self._bounding_box) // self._resolution)
+        self._array_shape = (
+            bounding_len[2] + bounding_len[3],
+            bounding_len[0] + bounding_len[1],
+        )
+
+    @property
+    def shape(self):
+        return (self._array_shape[0], 3)
+
+    def _generate_los_profile(self, sample):
+        bs_height = (
+            sample.bs_elevation + sample.bs_height - sample.meas_elevation
+        ) / self._reference_height
+        ue_height = (self._ue_height) / self._reference_height
+
+        k = (bs_height - ue_height) / sample.d_h
+        d = ue_height
+
+        los_profile = (
+            k
+            * np.linspace(
+                -self._bounding_box[-2],
+                self._bounding_box[-1],
+                num=self._array_shape[0],
+            )
+            + d
+        )
+
+        los_profile[: self._bounding_box[-2]] = -1
+        los_profile[int(self._bounding_box[-2] + sample.d_h) :] = -1
+
+        los_profile = np.tile(los_profile, (self._array_shape[1], 1)).transpose()
+
+        return los_profile.reshape(*self._array_shape, 1)
+
+    def _generate_environment(self, sample):
+        with np.load(sample.local_env_path) as data:
+            env = data["env"]
+
+        env = (env - sample.meas_elevation) / self._reference_height
+
+        return env.reshape(*self._array_shape, 1)
+
+    def _generate_coord_conv(self):
+        image_shape = self._array_shape[:3]
+
+        y_coords = np.tile(
+            np.abs(
+                np.linspace(
+                    -self._bounding_box[2] * self._resolution,
+                    self._bounding_box[3] * self._resolution,
+                    self._bounding_box[2] + self._bounding_box[3],
+                )
+            )
+            / np.max(self._bounding_box[2:]),
+            (image_shape[1], 1),
+        ).transpose()
+
+        return y_coords.reshape(*y_coords.shape, 1)
+
+    def apply(self, sample):
+        env_profile = self._generate_environment(sample)
+        los_profile = self._generate_los_profile(sample)
+        coord_conv = self._generate_coord_conv()
+
+        img = np.concatenate((env_profile, los_profile, coord_conv), axis=2)
+
+        output = np.stack(
+            (
+                img[:, self._array_shape[1] // 2, 0],
+                img[:, self._array_shape[1] // 2, 1],
+                img[:, self._array_shape[1] // 2, 2],
+            ),
+            axis=1,
+        )
+
+        return output
+
+
+class RSRPTargetGenerator(BaseTargetGenerator):
+    def apply(self, sample):
+        return sample.RSRP
+
+
+class MetaGenerator(BaseMetaGenerator):
+    def __init__(self, *selected_columns, standardize=False, non_numerical_cols=None):
+        self._selected_columns = selected_columns
+        self._standardize = standardize
+        self._non_numerical_cols = non_numerical_cols
+
+    @property
+    def shape(self):
+        return len(self._selected_columns)
+
+    def fit(self, mean_series, std_series):
+        self._mean = mean_series
+        self._std = std_series
+
+        return self
+
+    def apply(self, sample):
+        data = sample[list(self._selected_columns)]
+
+        if self._standardize:
+            return (data.values - self._mean.values) / self._std.values
+        else:
+            return data.values
+
+
+class Sequence(tf.keras.utils.Sequence):
+    def __init__(
+        self,
+        samples_df,
+        batch_size,
+        image_generator: BaseEnvironmentGenerator,
+        meta_generator: BaseMetaGenerator,
+        target_generator: BaseTargetGenerator,
+    ):
+        self.samples_df = samples_df
+        self.batch_size = batch_size
+
+        self._img_generator = image_generator
+        self._tar_generator = target_generator
+        self._met_generator = meta_generator
+
+    def __len__(self):
+        return math.ceil(len(self.samples_df) / self.batch_size)
+
+    @property
+    def shape(self):
+        resp = {}
+
+        if self._img_generator:
+            resp["X_img"] = self._img_generator.shape
+        if self._met_generator:
+            resp["X_met"] = self._met_generator.shape
+
+        return resp
+
+    def __getitem__(self, idx):
+        batch = self.samples_df.iloc[
+            idx * self.batch_size : (idx + 1) * self.batch_size
+        ]
+
+        X = {}
+        if self._img_generator:
+            X["X_img"] = np.array(
+                [self._img_generator.apply(sample) for _, sample in batch.iterrows()]
+            ).astype("float32")
+        if self._met_generator:
+            X["X_met"] = np.array(
+                [self._met_generator.apply(sample) for _, sample in batch.iterrows()]
+            ).astype("float32")
+
+        y = np.array(
+            [self._tar_generator.apply(sample) for _, sample in batch.iterrows()]
+        )
+
+        return X, y

helpers/models.py

+import os
+
+from helpers.data_generator import Sequence
+
+from abc import ABC, abstractmethod, abstractproperty
+import tensorflow as tf
+
+
+gpus = tf.config.list_physical_devices("GPU")
+
+if len(gpus):
+    tf.config.set_logical_device_configuration(
+        gpus[0], [tf.config.LogicalDeviceConfiguration(memory_limit=8072)]
+    )
+
+    logical_gpus = tf.config.list_logical_devices("GPU")
+
+
+class BaseNetwork(ABC):
+    @abstractmethod
+    def get_network(self):
+        pass
+
+    @abstractproperty
+    def input_name(self):
+        pass
+
+
+class BaseCombiner(ABC):
+    @abstractmethod
+    def get_output(self, input):
+        pass
+
+
+class NetworkConvNetDP(BaseNetwork):
+    def __init__(self, series_shape, input_name="X_img", d_prob=0.2):
+        self._series_shape = series_shape
+        self._d_prob = d_prob
+        self._input_name = input_name
+
+    @property
+    def input_name(self):
+        return self._input_name
+
+    def get_network(self, hp=None):
+        input = tf.keras.layers.Input(self._series_shape, name=self.input_name)
+
+        x = tf.keras.layers.Conv1D(
+            2, 32, padding="same", activation="relu"
+        )(input)
+        x = tf.keras.layers.SpatialDropout1D(0)(x)
+        x = tf.keras.layers.MaxPooling1D(2)(x)
+        x = tf.keras.layers.BatchNormalization()(x)
+        x = tf.keras.layers.Conv1D(
+            4, 10, padding="same", activation="relu"
+        )(x)
+        x = tf.keras.layers.SpatialDropout1D(0)(x)
+        x = tf.keras.layers.MaxPooling1D(2)(x)
+        x = tf.keras.layers.BatchNormalization()(x)
+        x = tf.keras.layers.Conv1D(
+            4, 10, padding="same", activation="relu"
+        )(x)
+        x = tf.keras.layers.SpatialDropout1D(0)(x)
+        x = tf.keras.layers.MaxPooling1D(2)(x)
+        x = tf.keras.layers.BatchNormalization()(x)
+        output = tf.keras.layers.Flatten()(x)
+
+        return tf.keras.models.Model(input, output, name="img_net")
+
+
+class NetworkConvNetFS(BaseNetwork):
+    def __init__(self, img_shape, input_name="X_img"):
+        self._img_shape = img_shape
+        self._input_name = input_name
+
+    @property
+    def input_name(self):
+        return self._input_name
+
+    def get_network(self, hp=None):
+        input = tf.keras.layers.Input(self._img_shape, name=self.input_name)
+        flip_output = tf.keras.layers.RandomFlip(mode="horizontal")(input)
+
+        x = tf.keras.layers.Conv2D(
+            32,
+            kernel_size=(2, 2),
+            padding="same",
+            activation="relu",
+        )(flip_output)
+        x = tf.keras.layers.SpatialDropout2D(0.517)(x)
+        x = tf.keras.layers.MaxPooling2D((2, 2))(x)
+        x = tf.keras.layers.BatchNormalization()(x)
+        x = tf.keras.layers.Conv2D(
+            32, (3, 3), padding="same", activation="relu"
+        )(x)
+        x = tf.keras.layers.SpatialDropout2D(0.517)(x)
+        x = tf.keras.layers.MaxPooling2D((2, 2))(x)
+        x = tf.keras.layers.BatchNormalization()(x)
+        x = tf.keras.layers.Conv2D(
+            10, (3, 3), padding="same", activation="relu"
+        )(x)
+        x = tf.keras.layers.SpatialDropout2D(0.517)(x)
+        x = tf.keras.layers.MaxPooling2D((2, 2))(x)
+        x = tf.keras.layers.BatchNormalization()(x)
+
+        output = tf.keras.layers.Flatten()(x)
+
+        return tf.keras.models.Model(input, output, name="img_net")
+
+
+class VanillaMetNet(BaseNetwork):
+    def __init__(self, input_shape, input_name="X_met", d_prob=0.2):
+        self._input_shape = input_shape
+        self._d_prob = d_prob
+        self._input_name = input_name
+
+    @property
+    def input_name(self):
+        return self._input_name
+
+    def get_network(self, **kwargs):
+        input = tf.keras.layers.Input(self._input_shape, name=self.input_name)
+        output = input
+
+        return tf.keras.models.Model(input, output, name="met_net")
+
+
+class CombinerConvNetDP(BaseCombiner):
+    def __init__(self):
+        pass
+
+    def get_output(self, input, hp=None):
+        x = tf.keras.layers.Dense(512, activation="relu")(input)
+        x = tf.keras.layers.BatchNormalization()(x)
+        x = tf.keras.layers.Dropout(0.75)(x)
+        x = tf.keras.layers.Dense(512, activation="relu")(x)
+        x = tf.keras.layers.BatchNormalization()(x)
+        output = tf.keras.layers.Dropout(0.75)(x)
+
+        return output
+
+
+class CombinerRefNetMD(BaseCombiner):
+    def __init__(self):
+        pass
+
+    def get_output(self, input, hp=None):
+        x = tf.keras.layers.Dense(512, activation="relu")(input)
+        x = tf.keras.layers.BatchNormalization()(x)
+        x = tf.keras.layers.Dropout(0.52485)(x)
+        x = tf.keras.layers.Dense(512, activation="relu")(x)
+        x = tf.keras.layers.BatchNormalization()(x)
+        output = tf.keras.layers.Dropout(0.52485)(x)
+
+        return output
+
+
+class CombinerConvNetFS(BaseCombiner):
+    def __init__(self):
+        pass
+
+    def get_output(self, input, hp=None):
+
+        x = tf.keras.layers.Dense(256, activation="relu")(input)
+        x = tf.keras.layers.BatchNormalization()(x)
+        x = tf.keras.layers.Dropout(0.38)(x)
+        x = tf.keras.layers.Dense(256, activation="relu")(x)
+        x = tf.keras.layers.BatchNormalization()(x)
+        output = tf.keras.layers.Dropout(0.38)(x)
+
+        return output
+
+
+class BaseOutputLayer(ABC):
+    @abstractmethod
+    def get_output(self, input):
+        pass
+
+    @abstractmethod
+    def get_losses(self):
+        pass
+
+    @abstractmethod
+    def get_metrics(self):
+        pass
+
+
+class VanillaOutput(BaseOutputLayer):
+    def get_output(self, input):
+        output = tf.keras.layers.Dense(1, activation="linear", name="vanilla_output")(
+            input
+        )
+        return output
+
+    def get_losses(self):
+        return {"vanilla_output": "mse"}
+
+    def get_metrics(self):
+        return {
+            "vanilla_output": [
+                "mae",
+                tf.keras.metrics.RootMeanSquaredError(name="RMSE"),
+            ]
+        }
+
+
+class CompleteModel:
+    def __init__(
+        self,
+        name: str,
+        img_net: BaseNetwork,
+        met_net: BaseNetwork,
+        comb_net: BaseCombiner,
+        out_layer: BaseOutputLayer,
+        optimizer="Adam",
+        base_path="./model_checkpoints/",
+    ):
+        self._name = name
+
+        self._img_net = img_net
+        self._met_net = met_net
+        self._comb_net = comb_net
+        self._out_layer = out_layer
+
+        self._optimizer = optimizer
+        self.base_path = base_path
+
+
+    def build(self, hp=None):
+        if self._img_net:
+            img_net_inst = self._img_net.get_network(hp=hp)
+        if self._met_net:
+            met_net_inst = self._met_net.get_network(hp=hp)
+
+        if self._img_net and self._met_net:
+            comb_out = self._comb_net.get_output(
+                tf.keras.layers.Concatenate()(
+                    [img_net_inst.output, met_net_inst.output]
+                ),
+                hp=hp,
+            )
+        elif self._img_net:
+            comb_out = self._comb_net.get_output(
+                tf.keras.layers.Concatenate()([img_net_inst.output]), hp=hp
+            )
+        else:
+            comb_out = self._comb_net.get_output(
+                tf.keras.layers.Concatenate()([met_net_inst.output]), hp=hp
+            )
+
+        outputs = self._out_layer.get_output(comb_out)
+
+        if self._img_net and self._met_net:
+            self._model = tf.keras.models.Model(
+                inputs={
+                    img_net_inst.input.name: img_net_inst.input,
+                    met_net_inst.input.name: met_net_inst.input,
+                },
+                outputs=outputs,
+            )
+        elif self._img_net:
+            self._model = tf.keras.models.Model(
+                inputs={img_net_inst.input.name: img_net_inst.input}, outputs=outputs
+            )
+        else:
+            self._model = tf.keras.models.Model(
+                inputs={met_net_inst.input.name: met_net_inst.input}, outputs=outputs
+            )
+
+        self._model.compile(
+            loss=self._out_layer.get_losses(),
+            metrics=self._out_layer.get_metrics(),
+            optimizer=self._optimizer(hp) if hp else self._optimizer,
+        )
+
+        if hp:
+            return self._model
+
+        return self
+
+    def load(self, checkpoint_path: str):
+        self._model.load_weights(checkpoint_path)
+
+        return self
+
+    def save(self, checkpoint_path: str):
+        self._model.save_weights(checkpoint_path)
+
+        return self

helpers/reference.json

+{"mean": {"alignment_offset_h": 59.122725688547966, "alignment_offset_v": -0.49112953187166497, "d_h": 364.47031258472, "d_v": 34.01699327881134, "los_pred": -74.23305336678914, "nlos_pred": -101.9626994683392, "frequency": 1521.5186835744794, "los_indicator_GEOM": 0.12547760156275867}, "std": {"alignment_offset_h": 43.76902866409193, "alignment_offset_v": 9.22600301408376, "d_h": 268.80814948756944, "d_v": 11.409118375309765, "los_pred": 7.537278171577317, "nlos_pred": 11.998258949075204, "frequency": 496.93436901467385, "los_indicator_GEOM": 0.3312600417820322}}

helpers/uma_pathloss.py

+import numpy as np
+from scipy.constants import speed_of_light
+
+
+class AntennaPattern:
+    def __init__(self, A_m=30, theta_3=65):
+        self._A_m = A_m
+        self._theta_3 = theta_3
+
+    def __call__(self, theta):
+        pattern = 12 * (theta / self._theta_3) ** 2
+        return -np.minimum(pattern, self._A_m)
+
+
+class PathlossModel:
+    @staticmethod
+    def getLOSpathloss(d3d, d2d, dbp, fc, h_b, h_t):
+        PL1 = 28 + 22 * np.log10(d3d) + 20 * np.log10(fc)
+        PL2 = (
+            28
+            + 40 * np.log10(d3d)
+            + 20 * np.log10(fc)
+            - 9 * np.log10(dbp ** 2 + (h_b - h_t) ** 2)
+        )
+        PL = np.zeros((d3d.shape))
+        PL = PL2  # Default pathloss
+        PL[(np.greater_equal(d2d, 10) & np.less_equal(d2d, dbp))] = PL1[
+            (np.greater_equal(d2d, 10) & np.less_equal(d2d, dbp))
+        ]  # Overwrite if distance is greater than 10 meters or smaller than dbp
+
+        return PL
+
+    @staticmethod
+    def getNLOSpathloss(
+        street_width, average_building_height, bs_height, ue_height, d3d, f_ghz
+    ):
+        pathlossdB = (
+            161.04
+            - 7.1 * np.log10(street_width)
+            + 7.5 * np.log10(average_building_height)
+            - (24.37 - 3.7 * (average_building_height / bs_height) ** 2)
+            * np.log10(bs_height)
+            + (43.42 - 3.1 * np.log10(bs_height)) * (np.log10(d3d) - 3)
+            + 20 * np.log10(f_ghz)
+            - (3.2 * (np.log10(17.625)) ** 2 - 4.97)
+            - 0.6 * (ue_height - 1.5)
+        )
+
+        return pathlossdB
+
+    @staticmethod
+    def pathlos_36873(h_b, h_ue, f_ghz, street_w, building_h, d2d):
+        h_e = h_b - h_ue
+        d3d = np.sqrt(d2d ** 2 + h_e ** 2)
+
+        dbp = 4 * h_b * h_ue * f_ghz * 10e8 / speed_of_light
+
+        nlos_pathloss = PathlossModel.getNLOSpathloss(
+            street_w, building_h, h_b, h_ue, d3d, f_ghz
+        )
+
+        los_pathloss = PathlossModel.getLOSpathloss(d3d, d2d, dbp, f_ghz, h_b, h_ue)
+
+        return np.maximum(nlos_pathloss, los_pathloss)
+
+    @staticmethod
+    def pathlos_36873(h_b, h_ue, f_ghz, street_w, building_h, d2d, use_los=False):
+
+        h_e = h_b - h_ue
+        d3d = np.sqrt(d2d ** 2 + h_e ** 2)
+
+        dbp = 4 * h_b * h_ue * f_ghz * 10e8 / speed_of_light
+
+        nlos_pathloss = PathlossModel.getNLOSpathloss(
+            street_w, building_h, h_b, h_ue, d3d, f_ghz
+        )
+
+        los_pathloss = PathlossModel.getLOSpathloss(d3d, d2d, dbp, f_ghz, h_b, h_ue)
+
+        if use_los:
+            return los_pathloss
+
+        return np.maximum(nlos_pathloss, los_pathloss)
+
+    def __call__(
+        self,
+        distance_2D,
+        h_bs,
+        use_los=False,
+        street_width=10,
+        building_height=25,
+        frequency=None,
+    ):
+        return self.pathlos_36873(
+            h_bs,
+            2,
+            frequency,
+            street_width,
+            building_height,
+            distance_2D,
+            use_los=use_los,
+        )

scenarios/scenario_1/config.json

+{
+ "h_bs": 30,
+ "phi_sec_h": null,
+ "phi_sec_v": 0,
+ "P_tx": 15,
+ "f": 1872,
+ "environment": "environment_1"
+}

scenarios/scenario_2/config.json

+{
+ "h_bs": 30,
+ "phi_sec_h": null,
+ "phi_sec_v": 0,
+ "P_tx": 15,
+ "f": 1872,
+ "environment": "environment_2"
+}

scenarios/scenario_3/config.json

+{
+ "h_bs": 30,
+ "phi_sec_h": null,
+ "phi_sec_v": 0,
+ "P_tx": 15,
+ "f": 1872,
+ "environment": "environment_3"
+}

scenarios/scenario_4/config.json

+{
+ "h_bs": 30,
+ "phi_sec_h": null,
+ "phi_sec_v": 0,
+ "P_tx": 15,
+ "f": 1872,
+ "environment": "environment_4"
+}

scenarios/scenario_5/config.json

+{
+ "h_bs": 30,
+ "phi_sec_h": null,
+ "phi_sec_v": 0,
+ "P_tx": 15,
+ "f": 1872,
+ "environment": "environment_5"
+}

scenarios/scenario_6/config.json

+{
+ "h_bs": 30,
+ "phi_sec_h": null,
+ "phi_sec_v": 0,
+ "P_tx": 15,
+ "f": 1872,
+ "environment": "environment_6"
+}

scenarios/scenario_6_1/config.json

+{
+ "h_bs": 30,
+ "phi_sec_h": 215,
+ "phi_sec_v": 0,
+ "P_tx": 15,
+ "f": 1872,
+ "environment": "environment_6"
+}

scenarios/scenario_6_2/config.json

+{
+ "h_bs": 30,
+ "phi_sec_h": 35,
+ "phi_sec_v": 0,
+ "P_tx": 15,
+ "f": 1872,
+ "environment": "environment_6"
+}

trained_models/convnetdp/checkpoint

+model_checkpoint_path: "cp.ckpt"
+all_model_checkpoint_paths: "cp.ckpt"

trained_models/convnetfs/checkpoint

+model_checkpoint_path: "cp.ckpt"
+all_model_checkpoint_paths: "cp.ckpt"

trained_models/refnetmd/checkpoint

+model_checkpoint_path: "cp.ckpt"
+all_model_checkpoint_paths: "cp.ckpt"