A novel channel assignment approach in TDMA/CDMA-TDD systems

Harald Haas; S McLaughlin

doi:10.1109/PIMRC.2001.965278

A novel channel assignment approach in TDMA/CDMA-TDD systems

Harald Haas, S McLaughlin

School of Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract / Description of output

The interference in a TDD system is demonstrated as being comprised of two categories of interference: (1) same entity interference, which is base station (BS) to BS interference and mobile station (MS) to MS interference; (2) other entity interference which is BS薔MS and MS薔BS interference. Based on this specific TDD property, an equation for capacity in a CDMA/TDD system is derived. Moreover, it is shown that the capacity in a CDMA/TDD system can be significantly higher compared with an equivalent FDD system. This assumes use of a DCA algorithm. A novel DCA is presented which uses a newly developed method termed: time slot (TS) opposing technique. The main advantage of this technique is that a TDD system adopting different asymmetries for uplink and downlink in neighbouring cells does not necessarily suffer from capacity losses

Original language	Undefined/Unknown
Title of host publication	Proc. of the 12th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
Volume	2
DOIs	https://doi.org/10.1109/PIMRC.2001.965278
Publication status	Published - 1 Sept 2001

Access to Document

10.1109/PIMRC.2001.965278

Cite this

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title = "A novel channel assignment approach in TDMA/CDMA-TDD systems",

abstract = "The interference in a TDD system is demonstrated as being comprised of two categories of interference: (1) same entity interference, which is base station (BS) to BS interference and mobile station (MS) to MS interference; (2) other entity interference which is BS薔MS and MS薔BS interference. Based on this specific TDD property, an equation for capacity in a CDMA/TDD system is derived. Moreover, it is shown that the capacity in a CDMA/TDD system can be significantly higher compared with an equivalent FDD system. This assumes use of a DCA algorithm. A novel DCA is presented which uses a newly developed method termed: time slot (TS) opposing technique. The main advantage of this technique is that a TDD system adopting different asymmetries for uplink and downlink in neighbouring cells does not necessarily suffer from capacity losses",

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year = "2001",

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doi = "10.1109/PIMRC.2001.965278",

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T1 - A novel channel assignment approach in TDMA/CDMA-TDD systems

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AU - McLaughlin, S

PY - 2001/9/1

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N2 - The interference in a TDD system is demonstrated as being comprised of two categories of interference: (1) same entity interference, which is base station (BS) to BS interference and mobile station (MS) to MS interference; (2) other entity interference which is BS薔MS and MS薔BS interference. Based on this specific TDD property, an equation for capacity in a CDMA/TDD system is derived. Moreover, it is shown that the capacity in a CDMA/TDD system can be significantly higher compared with an equivalent FDD system. This assumes use of a DCA algorithm. A novel DCA is presented which uses a newly developed method termed: time slot (TS) opposing technique. The main advantage of this technique is that a TDD system adopting different asymmetries for uplink and downlink in neighbouring cells does not necessarily suffer from capacity losses

AB - The interference in a TDD system is demonstrated as being comprised of two categories of interference: (1) same entity interference, which is base station (BS) to BS interference and mobile station (MS) to MS interference; (2) other entity interference which is BS薔MS and MS薔BS interference. Based on this specific TDD property, an equation for capacity in a CDMA/TDD system is derived. Moreover, it is shown that the capacity in a CDMA/TDD system can be significantly higher compared with an equivalent FDD system. This assumes use of a DCA algorithm. A novel DCA is presented which uses a newly developed method termed: time slot (TS) opposing technique. The main advantage of this technique is that a TDD system adopting different asymmetries for uplink and downlink in neighbouring cells does not necessarily suffer from capacity losses

U2 - 10.1109/PIMRC.2001.965278

DO - 10.1109/PIMRC.2001.965278

M3 - Conference contribution

VL - 2

BT - Proc. of the 12th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)

ER -