Links

A  useful site for literature research is NEC's Citeseer.  Specifically, their info on important papers such as those by Foschini and also by Telatar provide links to a wide set of related papers. Here's links to these and a few other related papers.

Capacity of multi-antenna Gaussian channels by I.E. Telatar
Layered space-time architecture... by G.L. Foschini
High-Rate Codes that are Linear in Space and Time by B. Hassibi and B. Hochwald
Space-time codes for high data rate wireless communication: Performance... by Tarokh, Seshadri, and Calderbank
 

Research Groups

Stanford WSL
Wireless Systems Innovations Lab
MARS@Lucent
Ohio State
BLAST
UNM Spincom
WPI Wireless
Wireless Comm Group at Stanford

Individual Researchers

Joseph M. Kahn
Kai Tang
Robert Heath
Dipl.-Ing. Stephan Bäro
Sumeet Sandhu
David Tse
Dilip Warrier
Michael P. Fitz
Georgios Giannakis
Anna Scaglione
Mohamed Oussama Damen

Industry Groups

WSI
IEEE BWIF
Mobile Wireless Internet Forum (MWIF)
Universal Mobile Telecommunictions System Forum (UMTS)
European Technical Standards Institute (ETSI)
GSM Association
Wireless Communications Alliance (WCA)
WCA International
Cellular Telephony Industry Association (CTIA)
Personal Communications Industry Association (PCIA)
International Telecommunication Union (ITU)
3rd Generation Partnership Project (3GPP)
3rd Generation Partnership Project 2 (3GPP2)
Association of Radio Industries and Busnesses (ARIB)
Universal Wireless Communications Consortium (UWCC)
Telecommunications Industry Association (TIA)
CDMA Development Group
Software Defined Radio Forum (SDR)
Wireless Access Protocol (WAP)