def METHOD_NAME(self):
    random.seed(987654)
    self.tb = gr.top_block()
    self.num_data = num_data = 10000
    self.sps = sps = 4
    self.eb = eb = 0.35
    self.preamble = preamble = [
        0x27,
        0x2F,
        0x18,
        0x5D,
        0x5B,
        0x2A,
        0x3F,
        0x71,
        0x63,
        0x3C,
        0x17,
        0x0C,
        0x0A,
        0x41,
        0xD6,
        0x1F,
        0x4C,
        0x23,
        0x65,
        0x68,
        0xED,
        0x1C,
        0x77,
        0xA7,
        0x0E,
        0x0A,
        0x9E,
        0x47,
        0x82,
        0xA4,
        0x57,
        0x24,
    ]
    self.payload_size = payload_size = 300  # bytes
    self.data = data = [0] * 4 + \
        [random.getrandbits(8) for i in range(payload_size)]
    self.gain = gain = .001  # LMS gain
    self.corr_thresh = corr_thresh = 3e6
    self.num_taps = num_taps = 16