A Novel Suboptimal SDMA Grouping Algorithm for Multiuser MIMO-OFDMA Systems

被引：0

作者：

Majidzadeh, Mohammad ^{[1
]}

Eslami, Mohsen ^{[1
]}

机构：

[1] Shiraz Univ Technol, Dept Elect & Elect Engn, Shiraz, Iran

来源：

2014 22ND IRANIAN CONFERENCE ON ELECTRICAL ENGINEERING (ICEE) | 2014年

关键词：

Resource allocation; Grouping algorithm; SDMA; OFDMA; MIMO; RESOURCE-ALLOCATION; PERFORMANCE; COMPLEXITY;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Wireless communication systems based on multiple input-multiple output (MIMO) in combination with orthogonal frequency division multiple access (OFDMA) and space division multiple access (SDMA) are flexible, spectrally efficient and of high capacity. These systems can allocate frequency, time, and space resources adaptively among mobile stations (MSs). In order to perform an effective resource allocation (RA), MSs must be organized into groups containig MSs with best average sum rate. Since frequency and time resources could be designed orthogonal, the problem of grouping remains only for the space resource. Complexity of the grouping algorithm is also an issue, especially when the number of MSs is high. In this paper, a novel suboptimal grouping algorithm is proposed. A new metric is also introduced to measure the efficiency of a RA strategy.

引用

页码：1805 / 1810

页数：6

共 14 条

[1] On downlink beamforming with greedy user selection: Performance analysis and a simple new algorithm [J].

Dimic, G ;

Sidiropoulos, ND .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2005, 53 (10) :3857-3868

[2] Low-complexity space-time-frequency scheduling for MIMO systems with SDMA [J].

Fuchs, Martin ;

Galdo, Giovanni Del ;

Haardt, Martin .

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2007, 56 (05) :2775-2784

[3] Sum power iterative water-filling for multi-antenna Gaussian broadcast channels [J].

Jindal, N ;

Rhee, W ;

Vishwanath, S ;

Jafar, SA ;

Goldsmith, A .

IEEE TRANSACTIONS ON INFORMATION THEORY, 2005, 51 (04) :1570-1580

[4] Dynamic multiuser resource allocation and adaptation for wireless systems [J].

Letaief, Khaled Ben ;

Zhang, Ying Jun .

IEEE WIRELESS COMMUNICATIONS, 2006, 13 (04) :38-47

[5]

Maciel T. F., 2008, P VIEWS 16 IST MOB W, V16, P115

[6] On the Performance, Complexity, and Fairness of Suboptimal Resource Allocation for Multiuser MIMO-OFDMA Systems [J].

Maciel, Tarcisio F. ;

Klein, Anja .

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2010, 59 (01) :406-419

[7] On the mutual information distribution of OFDM-based spatial multiplexing: Exact variance and outage approximation [J].

Mckay, Matthew R. ;

Smith, Peter J. ;

Suraweera, Himal A. ;

Collings, Iain B. .

IEEE TRANSACTIONS ON INFORMATION THEORY, 2008, 54 (07) :3260-3278

[8] Dynamic slot allocation (DSA) in indoor SDMA/TDMA using a smart antenna basestation [J].

Shad, F ;

Todd, TD ;

Kezys, V ;

Litva, J .

IEEE-ACM TRANSACTIONS ON NETWORKING, 2001, 9 (01) :69-81

[9] Channel allocation in multi-user MIMO wireless communications systems [J].

Spencer, QH ;

Swindlehurst, AL .

2004 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-7, 2004, :3035-3039

[10] Subchannel allocation in multiuser multiple-input-multiple-output systems [J].

Tejera, Pedro ;

Utschick, Wolfgang ;

Bauch, Gerhard ;

Nossek, Josef A. .

IEEE TRANSACTIONS ON INFORMATION THEORY, 2006, 52 (10) :4721-4733

← 1 2 →