A Model of Path Arrival Rate for In-Room Radio Channels with Directive Antennas: TD(17)04047

Publikation: Konferencebidrag uden forlag/tidsskriftPaper uden forlag/tidsskriftForskning

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Resumé

We analyze the path arrival rate for an inroom radio channel with directive antennas. The impulse response of this channel exhibits a transition from early separate components followed by a diffuse reverberation tail. Under the assumption that the transmitter’s (or receiver’s) position and orientation are picked uniformly at random we derive an exact expression of the mean arrival rate for a rectangular room predicted by the mirror source theory. The rate is quadratic in delay, inversely proportional to the room volume, and proportional to the product of beam coverage fractions of the transmitter and receiver antennas. Making use of the exact formula, we characterize the onset of the diffuse tail by defining a “mixing time” as the point in time where the arrival rate exceeds one component per transmit pulse duration. We also give an approximation for the powerdelay spectrum. It turns out that the power-delay spectrum is unaffected by the antenna directivity. However, Monte Carlo simulations show that antenna directivity does indeed play an important role for the distribution of instantaneous mean delay and rms delay spread.
OriginalsprogEngelsk
Publikationsdatojun. 2017
Antal sider12
StatusUdgivet - jun. 2017
BegivenhedIRACON - 4th technical meeting - Lund, Sverige
Varighed: 29 maj 201731 maj 2017

Konference

KonferenceIRACON - 4th technical meeting
LandSverige
ByLund
Periode29/05/201731/05/2017

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Directive antennas
Antennas
Transmitters
Reverberation
Impulse response
Mirrors

Citer dette

Pedersen, T. (2017). A Model of Path Arrival Rate for In-Room Radio Channels with Directive Antennas: TD(17)04047. Afhandling præsenteret på IRACON - 4th technical meeting, Lund, Sverige.
Pedersen, Troels. / A Model of Path Arrival Rate for In-Room Radio Channels with Directive Antennas : TD(17)04047. Afhandling præsenteret på IRACON - 4th technical meeting, Lund, Sverige.12 s.
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title = "A Model of Path Arrival Rate for In-Room Radio Channels with Directive Antennas: TD(17)04047",
abstract = "We analyze the path arrival rate for an inroom radio channel with directive antennas. The impulse response of this channel exhibits a transition from early separate components followed by a diffuse reverberation tail. Under the assumption that the transmitter’s (or receiver’s) position and orientation are picked uniformly at random we derive an exact expression of the mean arrival rate for a rectangular room predicted by the mirror source theory. The rate is quadratic in delay, inversely proportional to the room volume, and proportional to the product of beam coverage fractions of the transmitter and receiver antennas. Making use of the exact formula, we characterize the onset of the diffuse tail by defining a “mixing time” as the point in time where the arrival rate exceeds one component per transmit pulse duration. We also give an approximation for the powerdelay spectrum. It turns out that the power-delay spectrum is unaffected by the antenna directivity. However, Monte Carlo simulations show that antenna directivity does indeed play an important role for the distribution of instantaneous mean delay and rms delay spread.",
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Pedersen, T 2017, 'A Model of Path Arrival Rate for In-Room Radio Channels with Directive Antennas: TD(17)04047' Paper fremlagt ved IRACON - 4th technical meeting, Lund, Sverige, 29/05/2017 - 31/05/2017, .

A Model of Path Arrival Rate for In-Room Radio Channels with Directive Antennas : TD(17)04047. / Pedersen, Troels.

2017. Afhandling præsenteret på IRACON - 4th technical meeting, Lund, Sverige.

Publikation: Konferencebidrag uden forlag/tidsskriftPaper uden forlag/tidsskriftForskning

TY - CONF

T1 - A Model of Path Arrival Rate for In-Room Radio Channels with Directive Antennas

T2 - TD(17)04047

AU - Pedersen, Troels

PY - 2017/6

Y1 - 2017/6

N2 - We analyze the path arrival rate for an inroom radio channel with directive antennas. The impulse response of this channel exhibits a transition from early separate components followed by a diffuse reverberation tail. Under the assumption that the transmitter’s (or receiver’s) position and orientation are picked uniformly at random we derive an exact expression of the mean arrival rate for a rectangular room predicted by the mirror source theory. The rate is quadratic in delay, inversely proportional to the room volume, and proportional to the product of beam coverage fractions of the transmitter and receiver antennas. Making use of the exact formula, we characterize the onset of the diffuse tail by defining a “mixing time” as the point in time where the arrival rate exceeds one component per transmit pulse duration. We also give an approximation for the powerdelay spectrum. It turns out that the power-delay spectrum is unaffected by the antenna directivity. However, Monte Carlo simulations show that antenna directivity does indeed play an important role for the distribution of instantaneous mean delay and rms delay spread.

AB - We analyze the path arrival rate for an inroom radio channel with directive antennas. The impulse response of this channel exhibits a transition from early separate components followed by a diffuse reverberation tail. Under the assumption that the transmitter’s (or receiver’s) position and orientation are picked uniformly at random we derive an exact expression of the mean arrival rate for a rectangular room predicted by the mirror source theory. The rate is quadratic in delay, inversely proportional to the room volume, and proportional to the product of beam coverage fractions of the transmitter and receiver antennas. Making use of the exact formula, we characterize the onset of the diffuse tail by defining a “mixing time” as the point in time where the arrival rate exceeds one component per transmit pulse duration. We also give an approximation for the powerdelay spectrum. It turns out that the power-delay spectrum is unaffected by the antenna directivity. However, Monte Carlo simulations show that antenna directivity does indeed play an important role for the distribution of instantaneous mean delay and rms delay spread.

UR - http://www.iracon.org/temporary-documents/4th-mcm-lund-sweden-may-29-31-2017/

M3 - Paper without publisher/journal

ER -

Pedersen T. A Model of Path Arrival Rate for In-Room Radio Channels with Directive Antennas: TD(17)04047. 2017. Afhandling præsenteret på IRACON - 4th technical meeting, Lund, Sverige.